fix(healthcheck): retry on error and stop afte 5 trials

- Updated Dockerfile and Makefile for socket-proxy build.
- Modified go.mod to include necessary dependencies.
- Updated CI workflows for socket-proxy integration.
- Better module isolation
- Code refactor

.env.example

@@ -1,22 +1,76 @@
+# docker image tag (latest, nightly)
+TAG=latest
+
 # set timezone to get correct log timestamp
 TZ=ETC/UTC
 
+# container uid and gid (must match the owner of mounted directories)
+GODOXY_UID=1000
+GODOXY_GID=1000
+
+# API JWT Configuration (common)
 # generate secret with `openssl rand -base64 32`
-GOPROXY_API_JWT_SECRET=
+GODOXY_API_JWT_SECRET=
-
 # the JWT token time-to-live
-GOPROXY_API_JWT_TOKEN_TTL=1h
+# leave empty to use default (24 hours)
+# format: https://pkg.go.dev/time#Duration
+GODOXY_API_JWT_TOKEN_TTL=
 
-# API/WebUI login credentials
+# API/WebUI user password login credentials (optional)
-GOPROXY_API_USER=admin
+# These fields are not required for OIDC authentication
-GOPROXY_API_PASSWORD=password
+GODOXY_API_USER=admin
+GODOXY_API_PASSWORD=password
+
+# OIDC Configuration (optional)
+# Uncomment and configure these values to enable OIDC authentication.
+#
+# GODOXY_OIDC_ISSUER_URL=https://accounts.google.com
+# GODOXY_OIDC_CLIENT_ID=your-client-id
+# GODOXY_OIDC_CLIENT_SECRET=your-client-secret
+# GODOXY_OIDC_SCOPES=openid, profile, email, groups # you may also include `offline_access` if your Idp supports it (e.g. Authentik, Pocket ID)
+#
+# User definitions: Uncomment and configure these values to restrict access to specific users or groups.
+# These two fields act as a logical AND operator. For example, given the following membership:
+#   user1, group1
+#   user2, group1
+#   user3, group2
+#   user1, group2
+# You can allow access to user3 AND all users of group1 by providing:
+#   # GODOXY_OIDC_ALLOWED_USERS=user3
+#   # GODOXY_OIDC_ALLOWED_GROUPS=group1
+#
+# Comma-separated list of allowed users.
+# GODOXY_OIDC_ALLOWED_USERS=user1,user2
+# Optional: Comma-separated list of allowed groups.
+# GODOXY_OIDC_ALLOWED_GROUPS=group1,group2
 
 # Proxy listening address
-GOPROXY_HTTP_ADDR=:80
+GODOXY_HTTP_ADDR=:80
-GOPROXY_HTTPS_ADDR=:443
+GODOXY_HTTPS_ADDR=:443
+
+# Enable HTTP3
+GODOXY_HTTP3_ENABLED=true
 
 # API listening address
-GOPROXY_API_ADDR=127.0.0.1:8888
+GODOXY_API_ADDR=127.0.0.1:8888
+
+# Metrics
+GODOXY_METRICS_DISABLE_CPU=false
+GODOXY_METRICS_DISABLE_MEMORY=false
+GODOXY_METRICS_DISABLE_DISK=false
+GODOXY_METRICS_DISABLE_NETWORK=false
+GODOXY_METRICS_DISABLE_SENSORS=false
+
+# Frontend listening port
+GODOXY_FRONTEND_PORT=3000
+
+# Frontend aliases (subdomains / FQDNs, e.g. godoxy, godoxy.domain.com)
+GODOXY_FRONTEND_ALIASES=godoxy
+
+# Docker socket
+# /var/run/podman/podman.sock for podman
+DOCKER_SOCKET=/var/run/docker.sock
+SOCKET_PROXY_LISTEN_ADDR=127.0.0.1:2375
 
 # Debug mode
-GOPROXY_DEBUG=false
+GODOXY_DEBUG=false

.github/FUNDING.yml

@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: yusing # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: yusingwysq # Replace with a single Buy Me a Coffee username
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/agent-binary.yml

@@ -0,0 +1,48 @@
+name: GoDoxy agent binary
+
+on:
+  push:
+    tags:
+      - v*
+    paths:
+      - "agent/**"
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+          - runner: ubuntu-latest
+            platform: linux/amd64
+            binary_name: godoxy-agent-linux-amd64
+          - runner: ubuntu-24.04-arm
+            platform: linux/arm64
+            binary_name: godoxy-agent-linux-arm64
+    name: Build ${{ matrix.platform }}
+    runs-on: ${{ matrix.runner }}
+    permissions:
+      contents: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - name: Verify dependencies
+        run: go mod verify
+      - name: Build
+        run: |
+          make agent=1 NAME=${{ matrix.binary_name }} build
+      - name: Check binary
+        run: |
+          file bin/${{ matrix.binary_name }}
+      - name: Upload
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.binary_name }}
+          path: bin/${{ matrix.binary_name }}
+      - name: Upload to release
+        uses: softprops/action-gh-release@v2
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          files: bin/${{ matrix.binary_name }}

.github/workflows/docker-image-nightly.yml

@@ -0,0 +1,24 @@
+name: Docker Image CI (nightly)
+
+on:
+  push:
+    branches:
+      - "*" # matches every branch that doesn't contain a '/'
+      - "*/*" # matches every branch containing a single '/'
+      - "**" # matches every branch
+      - "!dependabot/*"
+      - "!main" # excludes main
+
+jobs:
+  build-nightly:
+    uses: ./.github/workflows/docker-image.yml
+    with:
+      image_name: ${{ github.repository_owner }}/godoxy
+      tag: nightly
+      target: main
+  build-nightly-agent:
+    uses: ./.github/workflows/docker-image.yml
+    with:
+      image_name: ${{ github.repository_owner }}/godoxy-agent
+      tag: nightly
+      target: agent

.github/workflows/docker-image-prod.yml

@@ -0,0 +1,21 @@
+name: Docker Image CI
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build-prod:
+    uses: ./.github/workflows/docker-image.yml
+    with:
+      image_name: ${{ github.repository_owner }}/godoxy
+      old_image_name: ${{ github.repository_owner }}/go-proxy
+      tag: latest
+      target: main
+  build-prod-agent:
+    uses: ./.github/workflows/docker-image.yml
+    with:
+      image_name: ${{ github.repository_owner }}/godoxy-agent
+      tag: latest
+      target: agent

.github/workflows/docker-image-socket-proxy.yml

@@ -0,0 +1,23 @@
+name: Docker Image CI (socket-proxy)
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "socket-proxy/**"
+    tags-ignore:
+      - '**'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    uses: ./.github/workflows/docker-image.yml
+    with:
+      image_name: ${{ github.repository_owner }}/socket-proxy
+      tag: latest
+      target: socket-proxy
+      dockerfile: socket-proxy.Dockerfile

.github/workflows/docker-image.yml

@@ -1,128 +1,172 @@
 name: Docker Image CI
 
 on:
-    push:
+  workflow_call:
-        tags: ["*"]
+    inputs:
+      tag:
+        required: true
+        type: string
+      image_name:
+        required: true
+        type: string
+      old_image_name:
+        required: false
+        type: string
+      target:
+        required: true
+        type: string
+      dockerfile:
+        required: false
+        type: string
+        default: Dockerfile
 
 env:
-    REGISTRY: ghcr.io
+  REGISTRY: ghcr.io
-    IMAGE_NAME: ${{ github.repository }}
+  MAKE_ARGS: ${{ inputs.target }}=1
+  DIGEST_PATH: /tmp/digests/${{ inputs.target }}
+  DIGEST_NAME_SUFFIX: ${{ inputs.target }}
+  DOCKERFILE: ${{ inputs.dockerfile }}
 
 jobs:
-    build:
+  build:
-        name: Build multi-platform Docker image
+    strategy:
-        runs-on: ubuntu-22.04
+      fail-fast: false
+      matrix:
+        include:
+          - runner: ubuntu-latest
+            platform: linux/amd64
+          - runner: ubuntu-24.04-arm
+            platform: linux/arm64
 
-        permissions:
+    name: Build ${{ matrix.platform }}
-            contents: read
+    runs-on: ${{ matrix.runner }}
-            packages: write
-            id-token: write
-            attestations: write
 
-        strategy:
+    permissions:
-            fail-fast: false
+      contents: read
-            matrix:
+      packages: write
-                platform:
+      id-token: write
-                    - linux/amd64
+      attestations: write
-                    # - linux/arm/v6
-                    # - linux/arm/v7
-                    - linux/arm64
-        steps:
-            - name: Prepare
-              run: |
-                  platform=${{ matrix.platform }}
-                  echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
-            - name: Docker meta
+    steps:
-              id: meta
+      - name: Prepare
-              uses: docker/metadata-action@v5
+        run: |
-              with:
+          platform=${{ matrix.platform }}
-                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
-            - name: Set up QEMU
+      - name: Docker meta
-              uses: docker/setup-qemu-action@v3
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ inputs.image_name }}
+          tags: |
+            type=raw,value=${{ inputs.tag }},event=branch
+            type=ref,event=tag
 
-            - name: Set up Docker Buildx
+      - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: ${{ matrix.platform }}
 
-            - name: Login to registry
+      - name: Login to registry
-              uses: docker/login-action@v3
+        uses: docker/login-action@v3
-              with:
+        with:
-                  registry: ${{ env.REGISTRY }}
+          registry: ${{ env.REGISTRY }}
-                  username: ${{ github.actor }}
+          username: ${{ github.actor }}
-                  password: ${{ secrets.GITHUB_TOKEN }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-            - name: Build and push by digest
+      - name: Build and push by digest
-              id: build
+        id: build
-              uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v6
-              with:
+        with:
-                  platforms: ${{ matrix.platform }}
+          platforms: ${{ matrix.platform }}
-                  labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}
-                  outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          file: ${{ env.DOCKERFILE }}
-                  cache-from: type=gha
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ inputs.image_name }},push-by-digest=true,name-canonical=true,push=true
-                  cache-to: type=gha,mode=max
+          cache-from: |
-                  build-args: |
+            type=registry,ref=${{ env.REGISTRY }}/${{ inputs.image_name }}:buildcache-${{ env.PLATFORM_PAIR }}
-                      VERSION=${{ github.ref_name }}
+            type=gha,scope=${{ github.workflow }}-${{ env.PLATFORM_PAIR }}
+          cache-to: |
+            type=registry,ref=${{ env.REGISTRY }}/${{ inputs.image_name }}:buildcache-${{ env.PLATFORM_PAIR }},mode=max
+            type=gha,scope=${{ github.workflow }}-${{ env.PLATFORM_PAIR }},mode=max
+          build-args: |
+            VERSION=${{ github.ref_name }}
+            MAKE_ARGS=${{ env.MAKE_ARGS }}
 
-            - name: Generate artifact attestation
+      - name: Generate artifact attestation
-              uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v1
-              with:
+        with:
-                  subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-name: ${{ env.REGISTRY }}/${{ inputs.image_name }}
-                  subject-digest: ${{ steps.build.outputs.digest }}
+          subject-digest: ${{ steps.build.outputs.digest }}
-                  push-to-registry: true
+          push-to-registry: true
 
-            - name: Export digest
+      - name: Export digest
-              run: |
+        run: |
-                  mkdir -p /tmp/digests
+          mkdir -p ${{ env.DIGEST_PATH }}
-                  digest="${{ steps.build.outputs.digest }}"
+          digest="${{ steps.build.outputs.digest }}"
-                  touch "/tmp/digests/${digest#sha256:}"
+          touch "${{ env.DIGEST_PATH }}/${digest#sha256:}"
 
-            - name: Upload digest
+      - name: Upload digest
-              uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v4
-              with:
+        with:
-                  name: digests-${{ env.PLATFORM_PAIR }}
+          name: digests-${{ env.PLATFORM_PAIR }}-${{ env.DIGEST_NAME_SUFFIX }}
-                  path: /tmp/digests/*
+          path: ${{ env.DIGEST_PATH }}/*
-                  if-no-files-found: error
+          if-no-files-found: error
-                  retention-days: 1
+          retention-days: 1
-    merge:
-        runs-on: ubuntu-22.04
-        needs:
-            - build
-        permissions:
-            contents: read
-            packages: write
-            id-token: write
-        steps:
-            - name: Download digests
-              uses: actions/download-artifact@v4
-              with:
-                  path: /tmp/digests
-                  pattern: digests-*
-                  merge-multiple: true
 
-            - name: Set up Docker Buildx
+  merge:
-              uses: docker/setup-buildx-action@v3
+    needs: build
+    runs-on: ubuntu-latest
 
-            - name: Docker meta
+    permissions:
-              id: meta
+      contents: read
-              uses: docker/metadata-action@v5
+      packages: write
-              with:
+      id-token: write
-                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
-            - name: Login to registry
+    steps:
-              uses: docker/login-action@v3
+      - name: Download digests
-              with:
+        uses: actions/download-artifact@v4
-                  registry: ${{ env.REGISTRY }}
+        with:
-                  username: ${{ github.actor }}
+          path: ${{ env.DIGEST_PATH }}
-                  password: ${{ secrets.GITHUB_TOKEN }}
+          pattern: digests-*-${{ env.DIGEST_NAME_SUFFIX }}
+          merge-multiple: true
 
-            - name: Create manifest list and push
+      - name: Set up Docker Buildx
-              id: push
+        uses: docker/setup-buildx-action@v3
-              working-directory: /tmp/digests
-              run: |
-                  docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
-                    $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
 
-            - name: Inspect image
+      - name: Docker meta
-              run: |
+        id: meta
-                  docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ inputs.image_name }}
+          tags: |
+            type=raw,value=${{ inputs.tag }},event=branch
+            type=ref,event=tag
+
+      - name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push
+        id: push
+        working-directory: ${{ env.DIGEST_PATH }}
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY }}/${{ inputs.image_name }}@sha256:%s ' *)
+
+      - name: Old image name
+        if: inputs.old_image_name != ''
+        run: |
+          docker buildx imagetools create -t ${{ env.REGISTRY }}/${{ inputs.old_image_name }}:${{ steps.meta.outputs.version }}\
+            ${{ env.REGISTRY }}/${{ inputs.image_name }}:${{ steps.meta.outputs.version }}
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ inputs.image_name }}:${{ steps.meta.outputs.version }}
+
+      - name: Inspect image (old)
+        if: inputs.old_image_name != ''
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ inputs.old_image_name }}:${{ steps.meta.outputs.version }}

.gitignore

@@ -4,10 +4,14 @@ compose.yml
 config
 certs
 config*/
+!schemas/**
 certs*/
 bin/
 error_pages/
 !examples/error_pages/
+profiles/
+data/
+debug/
 
 logs/
 log/
@@ -25,4 +29,12 @@ todo.md
 .aider*
 mtrace.json
 .env
+.cursorrules
+.windsurfrules
 test.Dockerfile
+
+node_modules/
+tsconfig.tsbuildinfo
+
+!agent.compose.yml
+!agent/pkg/**

.golangci.yml

@@ -1,137 +1,151 @@
-run:
+version: "2"
-  timeout: 10m
-
-linters-settings:
-  govet:
-    enable-all: true
-    disable:
-      - shadow
-      - fieldalignment
-  gocyclo:
-    min-complexity: 14
-  goconst:
-    min-len: 3
-    min-occurrences: 4
-  misspell:
-    locale: US
-  funlen:
-    lines: -1
-    statements: 120
-  forbidigo:
-    forbid:
-      - ^print(ln)?$
-  godox:
-    keywords:
-      - FIXME
-  tagalign:
-    align: false
-    sort: true
-    order:
-      - description
-      - json
-      - toml
-      - yaml
-      - yml
-      - label
-      - label-slice-as-struct
-      - file
-      - kv
-      - export
-  stylecheck:
-    dot-import-whitelist:
-      - github.com/yusing/go-proxy/internal/utils/testing # go tests only
-      - github.com/yusing/go-proxy/internal/api/v1/utils # api only
-  revive:
-    rules:
-      - name: struct-tag
-      - name: blank-imports
-      - name: context-as-argument
-      - name: context-keys-type
-      - name: error-return
-      - name: error-strings
-      - name: error-naming
-      - name: exported
-        disabled: true
-      - name: if-return
-      - name: increment-decrement
-      - name: var-naming
-      - name: var-declaration
-      - name: package-comments
-        disabled: true
-      - name: range
-      - name: receiver-naming
-      - name: time-naming
-      - name: unexported-return
-      - name: indent-error-flow
-      - name: errorf
-      - name: empty-block
-      - name: superfluous-else
-      - name: unused-parameter
-        disabled: true
-      - name: unreachable-code
-      - name: redefines-builtin-id
-  gomoddirectives:
-    replace-allow-list:
-      - github.com/abbot/go-http-auth
-      - github.com/gorilla/mux
-      - github.com/mailgun/minheap
-      - github.com/mailgun/multibuf
-      - github.com/jaguilar/vt100
-      - github.com/cucumber/godog
-      - github.com/http-wasm/http-wasm-host-go
-  testifylint:
-    disable:
-      - suite-dont-use-pkg
-      - require-error
-      - go-require
-  staticcheck:
-    checks:
-      - all
-      - -SA1019
-  errcheck:
-    exclude-functions:
-      - fmt.Fprintln
 linters:
-  enable-all: true
+  default: all
   disable:
-    - execinquery # deprecated
+    - bodyclose
-    - gomnd # deprecated
+    - containedctx
-    - sqlclosecheck # not relevant (SQL)
+    - contextcheck
-    - rowserrcheck # not relevant (SQL)
+    - cyclop
-    - cyclop # duplicate of gocyclo
+    - depguard
-    - depguard # Not relevant
+    - dupl
-    - nakedret # Too strict
+    - err113
-    - lll # Not relevant
+    - exhaustive
-    - gocyclo # FIXME must be fixed
+    - exhaustruct
-    - gocognit # Too strict
+    - forcetypeassert
-    - nestif # Too many false-positive.
-    - prealloc # Too many false-positive.
-    - makezero # Not relevant
-    - dupl # Too strict
-    - gci # I don't care
-    - gosec # Too strict
-    - gochecknoinits
     - gochecknoglobals
-    - wsl # Too strict
+    - gochecknoinits
-    - nlreturn # Not relevant
+    - gocognit
-    - mnd # Too strict
+    - goconst
-    - testpackage # Too strict
+    - gocyclo
-    - tparallel # Not relevant
+    - gomoddirectives
-    - paralleltest # Not relevant
+    - gosec
-    - exhaustive # Not relevant
+    - gosmopolitan
-    - exhaustruct # Not relevant
+    - ireturn
-    - err113 # Too strict
+    - lll
-    - wrapcheck # Too strict
+    - maintidx
-    - noctx # Too strict
+    - makezero
-    - bodyclose # too many false-positive
+    - mnd
-    - forcetypeassert # Too strict
+    - nakedret
-    - tagliatelle # Too strict
+    - nestif
-    - varnamelen # Not relevant
+    - nilnil
-    - nilnil # Not relevant
+    - nlreturn
-    - ireturn # Not relevant
+    - noctx
-    - contextcheck # too many false-positive
+    - nonamedreturns
-    - containedctx # too many false-positive
+    - paralleltest
-    - maintidx # kind of duplicate of gocyclo
+    - prealloc
-    - nonamedreturns # Too strict
+    - rowserrcheck
-    - gosmopolitan # not relevant
+    - sqlclosecheck
-    - exportloopref # Not relevant since go1.22
+    - tagliatelle
+    - testpackage
+    - tparallel
+    - varnamelen
+    - wrapcheck
+    - wsl
+  settings:
+    errcheck:
+      exclude-functions:
+        - fmt.Fprintln
+    forbidigo:
+      forbid:
+        - pattern: ^print(ln)?$
+    funlen:
+      lines: -1
+      statements: 120
+    gocyclo:
+      min-complexity: 14
+    godox:
+      keywords:
+        - FIXME
+    gomoddirectives:
+      replace-allow-list:
+        - github.com/abbot/go-http-auth
+        - github.com/gorilla/mux
+        - github.com/mailgun/minheap
+        - github.com/mailgun/multibuf
+        - github.com/jaguilar/vt100
+        - github.com/cucumber/godog
+        - github.com/http-wasm/http-wasm-host-go
+    govet:
+      disable:
+        - shadow
+        - fieldalignment
+      enable-all: true
+    misspell:
+      locale: US
+    revive:
+      rules:
+        - name: struct-tag
+        - name: blank-imports
+        - name: context-as-argument
+        - name: context-keys-type
+        - name: error-return
+        - name: error-strings
+        - name: error-naming
+        - name: exported
+          disabled: true
+        - name: if-return
+        - name: increment-decrement
+        - name: var-naming
+        - name: var-declaration
+        - name: package-comments
+          disabled: true
+        - name: range
+        - name: receiver-naming
+        - name: time-naming
+        - name: unexported-return
+        - name: indent-error-flow
+        - name: errorf
+        - name: empty-block
+        - name: superfluous-else
+        - name: unused-parameter
+          disabled: true
+        - name: unreachable-code
+        - name: redefines-builtin-id
+    staticcheck:
+      checks:
+        - all
+        - -SA1019
+      dot-import-whitelist:
+        - github.com/yusing/go-proxy/internal/utils/testing
+        - github.com/yusing/go-proxy/internal/api/v1/utils
+    tagalign:
+      align: false
+      sort: true
+      order:
+        - description
+        - json
+        - toml
+        - yaml
+        - yml
+        - label
+        - label-slice-as-struct
+        - file
+        - kv
+        - export
+    testifylint:
+      disable:
+        - suite-dont-use-pkg
+        - require-error
+        - go-require
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  enable:
+    - gofmt
+    - gofumpt
+    - goimports
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

.trunk/trunk.yaml

@@ -2,36 +2,37 @@
 # To learn more about the format of this file, see https://docs.trunk.io/reference/trunk-yaml
 version: 0.1
 cli:
-  version: 1.22.6
+  version: 1.22.15
 # Trunk provides extensibility via plugins. (https://docs.trunk.io/plugins)
 plugins:
   sources:
     - id: trunk
-      ref: v1.6.3
+      ref: v1.6.8
       uri: https://github.com/trunk-io/plugins
 # Many linters and tools depend on runtimes - configure them here. (https://docs.trunk.io/runtimes)
 runtimes:
   enabled:
-    - node@18.12.1
+    - node@18.20.5
     - python@3.10.8
-    - go@1.23.2
+    - go@1.24.3
 # This is the section where you manage your linters. (https://docs.trunk.io/check/configuration)
 lint:
+  disabled:
+    - markdownlint
+    - yamllint
   enabled:
-    - hadolint@2.12.0
+    - checkov@3.2.416
-    - actionlint@1.7.3
+    - golangci-lint2@2.1.6
-    - checkov@3.2.257
+    - hadolint@2.12.1-beta
+    - actionlint@1.7.7
     - git-diff-check
     - gofmt@1.20.4
-    - golangci-lint@1.61.0
+    - osv-scanner@2.0.2
-    - markdownlint@0.42.0
+    - oxipng@9.1.5
-    - osv-scanner@1.9.0
+    - prettier@3.5.3
-    - oxipng@9.1.2
-    - prettier@3.3.3
     - shellcheck@0.10.0
     - shfmt@3.6.0
-    - trufflehog@3.82.7
+    - trufflehog@3.88.29
-    - yamllint@1.35.1
 actions:
   disabled:
     - trunk-announce

.vscode/settings.example.json

@@ -1,10 +1,10 @@
 {
   "yaml.schemas": {
-    "https://github.com/yusing/go-proxy/raw/main/schema/config.schema.json": [
+    "https://github.com/yusing/godoxy-webui/raw/refs/heads/main/src/types/godoxy/config.schema.json": [
       "config.example.yml",
       "config.yml"
     ],
-    "https://github.com/yusing/go-proxy/raw/main/schema/providers.schema.json": [
+    "https://github.com/yusing/godoxy-webui/raw/refs/heads/main/src/types/godoxy/routes.schema.json": [
       "providers.example.yml"
     ]
   }

Dockerfile

@@ -1,34 +1,48 @@
-# Stage 1: Builder
+# Stage 1: deps
-FROM golang:1.23.2-alpine AS builder
+FROM golang:1.24.3-alpine AS deps
-RUN apk add --no-cache tzdata make
+HEALTHCHECK NONE
+
+# package version does not matter
+# trunk-ignore(hadolint/DL3018)
+RUN apk add --no-cache tzdata make libcap-setcap
+
+ENV GOPATH=/root/go
 
 WORKDIR /src
 
-# Only copy go.mod and go.sum initially for better caching
+COPY go.mod go.sum ./
-COPY go.mod go.sum /src/
 
-# Utilize build cache
+# remove godoxy stuff from go.mod first
-RUN --mount=type=cache,target="/go/pkg/mod" \
+RUN sed -i '/^module github\.com\/yusing\/go-proxy/!{/github\.com\/yusing\/go-proxy/d}' go.mod && \
-    go mod download -x
+  go mod download -x
 
-ENV GOCACHE=/root/.cache/go-build
+# Stage 2: builder
+FROM deps AS builder
+
+WORKDIR /src
+
+COPY go.mod go.sum ./
+COPY Makefile ./
+COPY cmd ./cmd
+COPY internal ./internal
+COPY pkg ./pkg
+COPY agent ./agent
+COPY socket-proxy ./socket-proxy
 
 ARG VERSION
 ENV VERSION=${VERSION}
 
-COPY scripts /src/scripts
+ARG MAKE_ARGS
-COPY Makefile /src/
+ENV MAKE_ARGS=${MAKE_ARGS}
 
-RUN --mount=type=cache,target="/go/pkg/mod" \
+ENV GOCACHE=/root/.cache/go-build
-    --mount=type=cache,target="/root/.cache/go-build" \
+ENV GOPATH=/root/go
-    --mount=type=bind,src=cmd,dst=/src/cmd \
-    --mount=type=bind,src=internal,dst=/src/internal \
-    --mount=type=bind,src=pkg,dst=/src/pkg \
-    make build && \
-    mkdir -p /app/error_pages /app/certs && \
-    mv bin/go-proxy /app/go-proxy
 
-# Stage 2: Final image
+RUN --mount=type=cache,target=/root/.cache/go-build \
+  --mount=type=cache,target=/root/go/pkg/mod \
+  make ${MAKE_ARGS} docker=1 build
+
+# Stage 3: Final image
 FROM scratch
 
 LABEL maintainer="yusing@6uo.me"
@@ -38,21 +52,13 @@ LABEL proxy.exclude=1
 COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
 
 # copy binary
-COPY --from=builder /app /app
+COPY --from=builder /app/run /app/run
-
-# copy schema directory
-COPY schema/ /app/schema/
 
 # copy certs
 COPY --from=builder /etc/ssl/certs /etc/ssl/certs
 
 ENV DOCKER_HOST=unix:///var/run/docker.sock
-ENV GOPROXY_DEBUG=0
-
-EXPOSE 80
-EXPOSE 8888
-EXPOSE 443
 
 WORKDIR /app
 
-CMD ["/app/go-proxy"]
+CMD ["/app/run"]

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 [fullname]
+Copyright (c) 2024 - present Yusing
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -19,3 +19,27 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
+
+---
+
+internal/net/gphttp/reverseproxy/reverse_proxy_mod.go is copied from et/http/httputil/reverseproxy.go with modifications to adapt to this project.
+
+Copyright 2011 The Go Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+
+---
+
+internal/utils/io.go has a modified version of io.Copy with context and HTTP flusher handling.
+
+Copyright 2009 The Go Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+
+---
+
+internal/utils/strutils/split_join.go is copied from strings.Split and strings.Join with modifications to adapt to this project.
+
+Copyright 2009 The Go Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.

Makefile

@@ -1,61 +1,127 @@
-VERSION ?= $(shell git describe --tags --abbrev=0)
+shell := /bin/sh
-BUILD_FLAGS ?= -s -w -X github.com/yusing/go-proxy/pkg.version=${VERSION}
+export VERSION ?= $(shell git describe --tags --abbrev=0)
-export VERSION
+export BUILD_DATE ?= $(shell date -u +'%Y%m%d-%H%M')
-export BUILD_FLAGS
-export CGO_ENABLED = 0
 export GOOS = linux
 
-.PHONY: all setup build test up restart logs get debug run archive repush rapid-crash debug-list-containers
+LDFLAGS = -X github.com/yusing/go-proxy/pkg.version=${VERSION}
 
-all: debug
 
-build:
+ifeq ($(agent), 1)
-	scripts/build.sh
+	NAME = godoxy-agent
+	PWD = ${shell pwd}/agent
+else ifeq ($(socket-proxy), 1)
+	NAME = godoxy-socket-proxy
+	PWD = ${shell pwd}/socket-proxy
+else
+	NAME = godoxy
+	PWD = ${shell pwd}
+endif
+
+ifeq ($(trace), 1)
+	debug = 1
+	GODOXY_TRACE ?= 1
+	GODEBUG = gctrace=1 inittrace=1 schedtrace=3000
+endif
+
+ifeq ($(race), 1)
+	debug = 1
+  BUILD_FLAGS += -race
+endif
+
+ifeq ($(debug), 1)
+	CGO_ENABLED = 0
+	GODOXY_DEBUG = 1
+	BUILD_FLAGS += -gcflags=all='-N -l' -tags debug
+else ifeq ($(pprof), 1)
+	CGO_ENABLED = 1
+	GORACE = log_path=logs/pprof strip_path_prefix=$(shell pwd)/ halt_on_error=1
+	BUILD_FLAGS += -tags pprof
+	VERSION := ${VERSION}-pprof
+else
+	CGO_ENABLED = 0
+	LDFLAGS += -s -w
+	BUILD_FLAGS += -pgo=auto -tags production
+endif
+
+BUILD_FLAGS += -ldflags='$(LDFLAGS)'
+BIN_PATH := $(shell pwd)/bin/${NAME}
+
+export NAME
+export CGO_ENABLED
+export GODOXY_DEBUG
+export GODOXY_TRACE
+export GODEBUG
+export GORACE
+export BUILD_FLAGS
+
+ifeq ($(shell id -u), 0)
+	SETCAP_CMD = setcap
+else
+	SETCAP_CMD = sudo setcap
+endif
+
+
+# CAP_NET_BIND_SERVICE: permission for binding to :80 and :443
+POST_BUILD = $(SETCAP_CMD) CAP_NET_BIND_SERVICE=+ep ${BIN_PATH};
+ifeq ($(docker), 1)
+	POST_BUILD += mkdir -p /app && mv ${BIN_PATH} /app/run;
+endif
+
+.PHONY: debug
 
 test:
-	GOPROXY_TEST=1 go test ./internal/...
+	GODOXY_TEST=1 go test ./internal/...
 
-up:
+docker-build-test:
-	docker compose up -d
+	docker build -t godoxy .
+	docker build --build-arg=MAKE_ARGS=agent=1 -t godoxy-agent .
 
-restart:
+go_ver := $(shell go version | cut -d' ' -f3 | cut -d'o' -f2)
-	docker compose restart -t 0
+files := $(shell find . -name go.mod -type f -or -name Dockerfile -type f)
+gomod_paths := $(shell find . -name go.mod -type f | xargs dirname)
 
-logs:
+update-go:
-	docker compose logs -f
+	for file in ${files}; do \
+		echo "updating $$file"; \
+		sed -i 's|go \([0-9]\+\.[0-9]\+\.[0-9]\+\)|go ${go_ver}|g' $$file; \
+		sed -i 's|FROM golang:.*-alpine|FROM golang:${go_ver}-alpine|g' $$file; \
+	done
+	for path in ${gomod_paths}; do \
+		echo "go mod tidy $$path"; \
+		cd ${PWD}/$$path && go mod tidy; \
+	done
 
-get:
+update-deps:
-	go get -u ./cmd && go mod tidy
+	for path in ${gomod_paths}; do \
+		echo "go get -u $$path"; \
+		cd ${PWD}/$$path && go get -u ./... && go mod tidy; \
+	done
+
+mod-tidy:
+	for path in ${gomod_paths}; do \
+		echo "go mod tidy $$path"; \
+		cd ${PWD}/$$path && go mod tidy; \
+	done
+
+build:
+	mkdir -p $(shell dirname ${BIN_PATH})
+	cd ${PWD} && go build ${BUILD_FLAGS} -o ${BIN_PATH} ./cmd
+	${POST_BUILD}
+
+run:
+	cd ${PWD} && [ -f .env ] && godotenv -f .env go run ${BUILD_FLAGS} ./cmd
 
 debug:
-	GOPROXY_DEBUG=1 make run
+	make NAME="godoxy-test" debug=1 build
-
+	sh -c 'HTTP_ADDR=:81 HTTPS_ADDR=:8443 API_ADDR=:8899 DEBUG=1 bin/godoxy-test'
-debug-trace:
-	GOPROXY_DEBUG=1 GOPROXY_TRACE=1 run
-
-profile:
-	GODEBUG=gctrace=1 make debug
-
-run: build
-	sudo setcap CAP_NET_BIND_SERVICE=+eip bin/go-proxy
-	bin/go-proxy
 
 mtrace:
-	bin/go-proxy debug-ls-mtrace > mtrace.json
+	 ${BIN_PATH} debug-ls-mtrace > mtrace.json
-
-archive:
-	git archive HEAD -o ../go-proxy-$$(date +"%Y%m%d%H%M").zip
-
-repush:
-	git reset --soft HEAD^
-	git add -A
-	git commit -m "repush"
-	git push gitlab dev --force
 
 rapid-crash:
-	sudo docker run --restart=always --name test_crash -p 80 debian:bookworm-slim /bin/cat &&\
+	docker run --restart=always --name test_crash -p 80 debian:bookworm-slim /bin/cat &&\
 	sleep 3 &&\
-	sudo docker rm -f test_crash
+	docker rm -f test_crash
 
 debug-list-containers:
 	bash -c 'echo -e "GET /containers/json HTTP/1.0\r\n" | sudo netcat -U /var/run/docker.sock | tail -n +9 | jq'
@@ -65,4 +131,7 @@ ci-test:
 	act -n --artifact-server-path /tmp/artifacts -s GITHUB_TOKEN="$$(gh auth token)"
 
 cloc:
-	cloc --not-match-f '_test.go$$' cmd internal pkg
+	cloc --include-lang=Go --not-match-f '_test.go$$' .
+
+push-github:
+	git push origin $(shell git rev-parse --abbrev-ref HEAD)

README.md

@@ -1,111 +1,170 @@
-# go-proxy
+<div align="center">
+
+# GoDoxy
 
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
-[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+![GitHub last commit](https://img.shields.io/github/last-commit/yusing/godoxy)
-[![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=security_rating)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=go-proxy)
-[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+![Demo](https://img.shields.io/website?url=https%3A%2F%2Fdemo.godoxy.dev&label=Demo&link=https%3A%2F%2Fdemo.godoxy.dev)
-[![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+[![Discord](https://dcbadge.limes.pink/api/server/umReR62nRd?style=flat)](https://discord.gg/umReR62nRd)
-[![](https://dcbadge.limes.pink/api/server/umReR62nRd)](https://discord.gg/umReR62nRd)
 
-[繁體中文文檔請看此](README_CHT.md)
+A lightweight, simple, and performant reverse proxy with WebUI.
 
-A lightweight, easy-to-use, and [performant](https://github.com/yusing/go-proxy/wiki/Benchmarks) reverse proxy with a Web UI and dashboard.
+<h5>
+<a href="https://docs.godoxy.dev">Website</a> | <a href="https://docs.godoxy.dev/Home.html">Wiki</a> | <a href="https://discord.gg/umReR62nRd">Discord</a>
+</h5>
 
-![Screenshot](screenshots/webui.png)
+<h5>EN | <a href="README_CHT.md">中文</a></h5>
 
-_Join our [Discord](https://discord.gg/umReR62nRd) for help and discussions_
+<img src="screenshots/webui.jpg" style="max-width: 650">
+
+</div>
 
 ## Table of content
 
 <!-- TOC -->
 
-- [go-proxy](#go-proxy)
+- [GoDoxy](#godoxy)
   - [Table of content](#table-of-content)
+  - [Running demo](#running-demo)
   - [Key Features](#key-features)
-  - [Getting Started](#getting-started)
+  - [Prerequisites](#prerequisites)
-    - [Setup](#setup)
+  - [Setup](#setup)
-    - [Manual Setup](#manual-setup)
+  - [How does GoDoxy work](#how-does-godoxy-work)
-    - [Folder structrue](#folder-structrue)
-    - [Use JSON Schema in VSCode](#use-json-schema-in-vscode)
   - [Screenshots](#screenshots)
     - [idlesleeper](#idlesleeper)
+    - [Metrics and Logs](#metrics-and-logs)
+  - [Manual Setup](#manual-setup)
+    - [Folder structrue](#folder-structrue)
   - [Build it yourself](#build-it-yourself)
 
+## Running demo
+
+<https://demo.godoxy.dev>
+
+[![Deployed on Zeabur](https://zeabur.com/deployed-on-zeabur-dark.svg)](https://zeabur.com/referral?referralCode=yusing&utm_source=yusing&utm_campaign=oss)
+
 ## Key Features
 
--   Easy to use
+- **Simple**
-    -   Effortless configuration
+  - Effortless configuration with [simple labels](https://docs.godoxy.dev/Docker-labels-and-Route-Files) or WebUI
-    -   Simple multi-node setup
+  - [Simple multi-node setup](https://docs.godoxy.dev/Configurations#multi-docker-nodes-setup)
-    -   Error messages is clear and detailed, easy troubleshooting
+  - Detailed error messages for easy troubleshooting.
--   Auto SSL cert management (See [Supported DNS-01 Challenge Providers](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers)) 
+- **ACL**: connection / request level access control
--   Auto configuration for docker containers
+  - IP/CIDR
--   Auto hot-reload on container state / config file changes
+  - Country **(Maxmind account required)**
--   **idlesleeper**: stop containers on idle, wake it up on traffic _(optional, see [screenshots](#idlesleeper))_
+  - Timezone **(Maxmind account required)**
--   HTTP(s) reserve proxy
+  - **Access logging**
--   [HTTP middleware support](https://github.com/yusing/go-proxy/wiki/Middlewares)
+- **Advanced Automation**
--   [Custom error pages support](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
+  - Automatic SSL certificate management with Let's Encrypt ([using DNS-01 Challenge](https://docs.godoxy.dev/DNS-01-Providers))
--   TCP and UDP port forwarding
+  - Auto-configuration for Docker containers
--   **Web UI with App dashboard**
+  - Hot-reloading of configurations and container state changes
--   Supports linux/amd64, linux/arm64
+- **Idle-sleep**: stop and wake containers based on traffic _(see [screenshots](#idlesleeper))_
--   Written in **[Go](https://go.dev)**
+  - Docker containers
+  - Proxmox LXCs
+- **Traffic Management**
+  - HTTP reserve proxy
+  - TCP/UDP port forwarding
+  - **OpenID Connect support**: SSO and secure your apps easily
+- **Customization**
+  - [HTTP middlewares](https://docs.godoxy.dev/Middlewares)
+  - [Custom error pages support](https://docs.godoxy.dev/Custom-Error-Pages)
+- **Web UI**
+  - App Dashboard
+  - Config Editor
+  - Uptime and System Metrics
+  - Docker Logs Viewer
+- **Cross-Platform support**
+  - Supports **linux/amd64** and **linux/arm64**
+- **Efficient and Performant**
+  - Written in **[Go](https://go.dev)**
 
-[🔼Back to top](#table-of-content)
+## Prerequisites
 
-## Getting Started
+Configure Wildcard DNS Record(s) to point to machine running `GoDoxy`, e.g.
 
-### Setup
+- A Record: `*.domain.com` -> `10.0.10.1`
+- AAAA Record (if you use IPv6): `*.domain.com` -> `::ffff:a00:a01`
 
-1.  Pull docker image 
+## Setup
-    
-    ```shell
-    docker pull ghcr.io/yusing/go-proxy:latest
-    ```
 
-2.  Create new directory, `cd` into it, then run setup, or [set up manually](#manual-setup) 
+> [!NOTE]
+> GoDoxy is designed to be running in `host` network mode, do not change it.
+>
+> To change listening ports, modify `.env`.
 
-    ```shell
+1. Prepare a new directory for docker compose and config files.
-    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/go-proxy setup
-    # Then set the JWT secret
-    sed -i "s|GOPROXY_API_JWT_SECRET=.*|GOPROXY_API_JWT_SECRET=$(openssl rand -base64 32)|g" .env
-    ```
 
-3.  Setup DNS Records point to machine which runs `go-proxy`, e.g.
+2. Run setup script inside the directory, or [set up manually](#manual-setup)
 
-    -   A Record: `*.y.z` -> `10.0.10.1`
+   ```shell
-    -   AAAA Record: `*.y.z` -> `::ffff:a00:a01`
+   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/yusing/godoxy/main/scripts/setup.sh)"
+   ```
 
-4.  Setup `docker-socket-proxy` other docker nodes _(if any)_ (see [Multi docker nodes setup](https://github.com/yusing/go-proxy/wiki/Configurations#multi-docker-nodes-setup)) and then them inside `config.yml`
+3. Start the docker compose service from generated `compose.yml`:
 
-5.  Run go-proxy `docker compose up -d` 
+   ```shell
-    then list all routes to see if further configurations are needed:
+   docker compose up -d
-    `docker exec go-proxy /app/go-proxy ls-routes`
+   ```
 
-6.  You may now do some extra configuration
+4. You may now do some extra configuration on WebUI `https://godoxy.yourdomain.com`
-    -   With text editor (e.g. Visual Studio Code)
-    -   With Web UI via `http://localhost:3000` or `https://gp.y.z`
-    -   For more info, [See Wiki]([wiki](https://github.com/yusing/go-proxy/wiki))
 
-[🔼Back to top](#table-of-content)
+## How does GoDoxy work
 
-### Manual Setup
+1. List all the containers
+2. Read container name, labels and port configurations for each of them
+3. Create a route if applicable (a route is like a "Virtual Host" in NPM)
+4. Watch for container / config changes and update automatically
+
+> [!NOTE]
+> GoDoxy uses the label `proxy.aliases` as the subdomain(s), if unset it defaults to the `container_name` field in docker compose.
+>
+> For example, with the label `proxy.aliases: qbt` you can access your app via `qbt.domain.com`.
+
+## Screenshots
+
+### idlesleeper
+
+![idlesleeper](screenshots/idlesleeper.webp)
+
+### Metrics and Logs
+
+<div align="center">
+  <table>
+    <tr>
+      <td align="center"><img src="screenshots/uptime.png" alt="Uptime Monitor" width="250"/></td>
+      <td align="center"><img src="screenshots/docker-logs.jpg" alt="Docker Logs" width="250"/></td>
+      <td align="center"><img src="screenshots/docker.jpg" alt="Server Overview" width="250"/></td>
+    </tr>
+    <tr>
+      <td align="center"><b>Uptime Monitor</b></td>
+      <td align="center"><b>Docker Logs</b></td>
+      <td align="center"><b>Server Overview</b></td>
+    </tr>
+        <tr>
+      <td align="center"><img src="screenshots/system-monitor.jpg" alt="System Monitor" width="250"/></td>
+      <td align="center"><img src="screenshots/system-info-graphs.jpg" alt="Graphs" width="250"/></td>
+    </tr>
+    <tr>
+      <td align="center"><b>System Monitor</b></td>
+      <td align="center"><b>Graphs</b></td>
+    </tr>
+  </table>
+</div>
+
+## Manual Setup
 
 1. Make `config` directory then grab `config.example.yml` into `config/config.yml`
 
-    `mkdir -p config && wget https://raw.githubusercontent.com/yusing/go-proxy/v0.7/config.example.yml -O config/config.yml`
+   `mkdir -p config && wget https://raw.githubusercontent.com/yusing/godoxy/main/config.example.yml -O config/config.yml`
 
 2. Grab `.env.example` into `.env`
-   
+
-    `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.7/.env.example -O .env`
+   `wget https://raw.githubusercontent.com/yusing/godoxy/main/.env.example -O .env`
 
 3. Grab `compose.example.yml` into `compose.yml`
-   
-   `wget https://raw.githubusercontent.com/yusing/go-proxy/v0.7/compose.example.yml -O compose.yml`
 
-4. Set the JWT secret
+   `wget https://raw.githubusercontent.com/yusing/godoxy/main/compose.example.yml -O compose.yml`
-   
-   `sed -i "s|GOPROXY_API_JWT_SECRET=.*|GOPROXY_API_JWT_SECRET=$(openssl rand -base64 32)|g" .env`
-
-5. Start the container `docker compose up -d`
 
 ### Folder structrue
 
@@ -121,27 +180,16 @@ _Join our [Discord](https://discord.gg/umReR62nRd) for help and discussions_
 │   │   ├── middleware2.yml
 │   ├── provider1.yml
 │   └── provider2.yml
+├── data
+│   ├── metrics # metrics data
+│   │   ├── uptime.json
+│   │   └── system_info.json
 └── .env
 ```
 
-### Use JSON Schema in VSCode
-
-Copy [`.vscode/settings.example.json`](.vscode/settings.example.json) to `.vscode/settings.json` and modify it to fit your needs
-
-[🔼Back to top](#table-of-content)
-
-## Screenshots
-
-### idlesleeper
-
-![idlesleeper](screenshots/idlesleeper.webp)
-
-
-[🔼Back to top](#table-of-content)
-
 ## Build it yourself
 
-1. Clone the repository `git clone https://github.com/yusing/go-proxy --depth=1`
+1. Clone the repository `git clone https://github.com/yusing/godoxy --depth=1`
 
 2. Install / Upgrade [go (>=1.22)](https://go.dev/doc/install) and `make` if not already
 

README_CHT.md

@@ -1,130 +1,189 @@
-# go-proxy
+<div align="center">
+
+# GoDoxy
 
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+![GitHub last commit](https://img.shields.io/github/last-commit/yusing/godoxy)
 [![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
-[![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=security_rating)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+![Demo](https://img.shields.io/website?url=https%3A%2F%2Fdemo.godoxy.dev&label=Demo&link=https%3A%2F%2Fdemo.godoxy.dev)
-[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
+[![Discord](https://dcbadge.limes.pink/api/server/umReR62nRd?style=flat)](https://discord.gg/umReR62nRd)
-[![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=yusing_go-proxy&metric=vulnerabilities)](https://sonarcloud.io/summary/new_code?id=yusing_go-proxy)
-[![](https://dcbadge.limes.pink/api/server/umReR62nRd)](https://discord.gg/umReR62nRd)
 
-一個輕量化、易用且[高效]([docs/benchmark_result.md](https://github.com/yusing/go-proxy/wiki/Benchmarks)))的反向代理和端口轉發工具
+輕量、易用、 高效能，且帶有主頁和配置面板的反向代理
+
+<h5>
+<a href="https://docs.godoxy.dev">網站</a> | <a href="https://docs.godoxy.dev/Home.html">文檔</a> | <a href="https://discord.gg/umReR62nRd">Discord</a>
+</h5>
+
+<h5><a href="README.md">EN</a> | 中文</h5>
+
+<img src="https://github.com/user-attachments/assets/4bb371f4-6e4c-425c-89b2-b9e962bdd46f" style="max-width: 650">
+
+</div>
 
 ## 目錄
 
 <!-- TOC -->
 
-- [go-proxy](#go-proxy)
+- [GoDoxy](#godoxy)
   - [目錄](#目錄)
-  - [重點](#重點)
+  - [運行示例](#運行示例)
-  - [入門指南](#入門指南)
+  - [主要特點](#主要特點)
-    - [安裝](#安裝)
+  - [前置需求](#前置需求)
-    - [命令行參數](#命令行參數)
+  - [安裝](#安裝)
-    - [環境變量](#環境變量)
+    - [手動安裝](#手動安裝)
-    - [VSCode 中使用 JSON Schema](#vscode-中使用-json-schema)
+    - [資料夾結構](#資料夾結構)
-  - [展示](#展示)
+  - [截圖](#截圖)
-    - [idlesleeper](#idlesleeper)
+    - [閒置休眠](#閒置休眠)
-  - [源碼編譯](#源碼編譯)
+    - [監控](#監控)
+  - [自行編譯](#自行編譯)
 
-## 重點
+## 運行示例
 
--   易用
+<https://demo.godoxy.dev>
-    -   不需花費太多時間就能輕鬆配置
-    -   支持多個docker節點
-    -   除錯簡單
--   自動配置 SSL 證書（參見[可用的 DNS 供應商](https://github.com/yusing/go-proxy/wiki/Supported-DNS%E2%80%9001-Providers)）
--   透過 Docker 容器自動配置
--   容器狀態變更時自動熱重載
--   **idlesleeper** 容器閒置時自動暫停/停止，入站時自動喚醒 (可選, 參見 [展示](#idlesleeper))
--   HTTP(s) 反向代理
--   [HTTP middleware](https://github.com/yusing/go-proxy/wiki/Middlewares)
--   [自訂 error pages](https://github.com/yusing/go-proxy/wiki/Middlewares#custom-error-pages)
--   TCP/UDP 端口轉發
--   Web 面板 (內置App dashboard)
--   支持 linux/amd64、linux/arm64 平台
--   使用 **[Go](https://go.dev)** 編寫
 
-[🔼 返回頂部](#目錄)
+[![Deployed on Zeabur](https://zeabur.com/deployed-on-zeabur-dark.svg)](https://zeabur.com/referral?referralCode=yusing&utm_source=yusing&utm_campaign=oss)
 
-## 入門指南
+## 主要特點
 
-### 安裝
+- **簡單易用**
+  - 透過 Docker[標籤](https://docs.godoxy.dev/Docker-labels-and-Route-Files)或 WebUI 輕鬆設定
+  - [簡單的多節點設置](https://docs.godoxy.dev/Configurations#multi-docker-nodes-setup)
+  - 詳細的錯誤訊息，便於故障排除
+- **存取控制 (ACL)**：連線/請求層級存取控制
+  - IP/CIDR
+  - 國家 **(需要 Maxmind 帳戶)**
+  - 時區 **(需要 Maxmind 帳戶)**
+  - **存取日誌記錄**
+- **自動化**
+  - 使用 Let's Encrypt 自動管理 SSL 憑證 ([使用 DNS-01 驗證](https://docs.godoxy.dev/DNS-01-Providers))
+  - Docker 容器自動配置
+  - 設定檔與容器狀態變更時自動熱重載
+- **閒置休眠**：根據流量停止和喚醒容器 _(參見[截圖](#閒置休眠))_
+  - Docker 容器
+  - Proxmox LXC 容器
+- **流量管理**
+  - HTTP 反向代理
+  - TCP/UDP 連接埠轉送
+  - **OpenID Connect 支援**：輕鬆實現單點登入 (SSO) 並保護您的應用程式
+- **客製化**
+  - [HTTP 中介軟體](https://docs.godoxy.dev/Middlewares)
+  - [支援自訂錯誤頁面](https://docs.godoxy.dev/Custom-Error-Pages)
+- **網頁使用者介面 (Web UI)**
+  - 應用程式一覽
+  - 設定編輯器
+  - 執行時間與系統指標
+  - Docker 日誌檢視器
+- **跨平台支援**
+  - 支援 **linux/amd64** 與 **linux/arm64**
+- **高效能**
+  - 以 **[Go](https://go.dev)** 語言編寫
 
-1. 抓取Docker鏡像
+[🔼 回到頂部](#目錄)
 
-    ```shell
+## 前置需求
-    docker pull ghcr.io/yusing/go-proxy:latest
+
-    ```
+設置 DNS 記錄指向運行 `GoDoxy` 的機器，例如：
+
+- A 記錄：`*.y.z` -> `10.0.10.1`
+- AAAA 記錄：`*.y.z` -> `::ffff:a00:a01`
+
+## 安裝
+
+> [!NOTE]
+> GoDoxy 僅在 `host` 網路模式下運作，請勿更改。
+>
+> 如需更改監聽埠，請修改 `.env`。
+
+1. 準備一個新目錄用於 docker compose 和配置文件。
+
+2. 在目錄內運行安裝腳本，或[手動安裝](#手動安裝)
 
-2. 建立新的目錄，並切換到該目錄，並執行
-   
    ```shell
-    docker run --rm -v .:/setup ghcr.io/yusing/go-proxy /app/go-proxy setup
+   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/yusing/godoxy/main/scripts/setup.sh)"
-    ```
+   ```
 
-3. 設置 DNS 記錄，例如：
+3. 現在可以在 WebUI `https://godoxy.yourdomain.com` 進行額外配置
 
-    - A 記錄: `*.y.z` -> `10.0.10.1`
+[🔼 回到頂部](#目錄)
-    - AAAA 記錄: `*.y.z` -> `::ffff:a00:a01`
 
-4. 配置 `docker-socket-proxy` 其他 Docker 節點（如有） (參見 [範例](docs/docker_socket_proxy.md)) 然後加到 `config.yml` 中
+### 手動安裝
 
-5. 大功告成，你可以做一些額外的配置
+1. 建立 `config` 目錄，然後將 `config.example.yml` 下載到 `config/config.yml`
-    - 使用文本編輯器 (推薦 Visual Studio Code [參見 VSCode 使用 schema](#vscode-中使用-json-schema))
-    - 或通過 `http://localhost:3000` 使用網頁配置編輯器
-    - 詳情請參閱 [docker.md](docs/docker.md)
 
-[🔼 返回頂部](#目錄)
+   `mkdir -p config && wget https://raw.githubusercontent.com/yusing/godoxy/main/config.example.yml -O config/config.yml`
 
-### 命令行參數
+2. 將 `.env.example` 下載到 `.env`
 
-| 參數                      | 描述                                                                                  | 示例                                |
+   `wget https://raw.githubusercontent.com/yusing/godoxy/main/.env.example -O .env`
-| ------------------------- | ------------------------------------------------------------------------------------- | ----------------------------------- |
-| 空                        | 啟動代理服務器                                                                        |                                     |
-| `validate`                | 驗證配置並退出                                                                        |                                     |
-| `reload`                  | 強制刷新配置                                                                          |                                     |
-| `ls-config`               | 列出配置並退出                                                                        | `go-proxy ls-config \| jq`          |
-| `ls-route`                | 列出路由並退出                                                                        | `go-proxy ls-route \| jq`           |
-| `go-proxy ls-route \| jq` |
-| `ls-icons`                | 列出 [dashboard-icons](https://github.com/walkxcode/dashboard-icons/tree/main) 並退出 | `go-proxy ls-icons \| grep adguard` |
-| `debug-ls-mtrace`         | 列出middleware追蹤 **(僅限於 debug 模式)**                                            | `go-proxy debug-ls-mtrace \| jq`    |
 
-**使用 `docker exec go-proxy /app/go-proxy <參數>` 運行**
+3. 將 `compose.example.yml` 下載到 `compose.yml`
 
-### 環境變量
+   `wget https://raw.githubusercontent.com/yusing/godoxy/main/compose.example.yml -O compose.yml`
 
-| 環境變量                       | 描述             | 默認             | 格式          |
+### 資料夾結構
-| ------------------------------ | ---------------- | ---------------- | ------------- |
-| `GOPROXY_NO_SCHEMA_VALIDATION` | 禁用 schema 驗證 | `false`          | boolean       |
-| `GOPROXY_DEBUG`                | 啟用調試輸出     | `false`          | boolean       |
-| `GOPROXY_HTTP_ADDR`            | http 收聽地址    | `:80`            | `[host]:port` |
-| `GOPROXY_HTTPS_ADDR`           | https 收聽地址   | `:443`           | `[host]:port` |
-| `GOPROXY_API_ADDR`             | api 收聽地址     | `127.0.0.1:8888` | `[host]:port` |
 
-### VSCode 中使用 JSON Schema
+```shell
+├── certs
+│   ├── cert.crt
+│   └── priv.key
+├── compose.yml
+├── config
+│   ├── config.yml
+│   ├── middlewares
+│   │   ├── middleware1.yml
+│   │   ├── middleware2.yml
+│   ├── provider1.yml
+│   └── provider2.yml
+├── data
+│   ├── metrics # metrics data
+│   │   ├── uptime.json
+│   │   └── system_info.json
+└── .env
+```
 
-複製 [`.vscode/settings.example.json`](.vscode/settings.example.json) 到 `.vscode/settings.json` 並根據需求修改
+## 截圖
 
-[🔼 返回頂部](#目錄)
+### 閒置休眠
 
+![閒置休眠](screenshots/idlesleeper.webp)
 
-## 展示
+[🔼 回到頂部](#目錄)
 
-### idlesleeper
+### 監控
 
-![idlesleeper](screenshots/idlesleeper.webp)
+<div align="center">
+  <table>
+    <tr>
+      <td align="center"><img src="screenshots/uptime.png" alt="Uptime Monitor" width="250"/></td>
+      <td align="center"><img src="screenshots/docker-logs.jpg" alt="Docker Logs" width="250"/></td>
+      <td align="center"><img src="screenshots/docker.jpg" alt="Server Overview" width="250"/></td>
+    </tr>
+    <tr>
+      <td align="center"><b>運行時間監控</b></td>
+      <td align="center"><b>Docker 日誌</b></td>
+      <td align="center"><b>伺服器概覽</b></td>
+    </tr>
+        <tr>
+      <td align="center"><img src="screenshots/system-monitor.jpg" alt="System Monitor" width="250"/></td>
+      <td align="center"><img src="screenshots/system-info-graphs.jpg" alt="Graphs" width="250"/></td>
+    </tr>
+    <tr>
+      <td align="center"><b>系統監控</b></td>
+      <td align="center"><b>圖表</b></td>
+    </tr>
+  </table>
+</div>
 
-[🔼 返回頂部](#目錄)
+## 自行編譯
 
-## 源碼編譯
+1. 克隆儲存庫 `git clone https://github.com/yusing/godoxy --depth=1`
 
-1. 獲取源碼 `git clone https://github.com/yusing/go-proxy --depth=1`
+2. 如果尚未安裝，請安裝/升級 [go (>=1.22)](https://go.dev/doc/install) 和 `make`
 
-2. 安裝/升級 [go 版本 (>=1.22)](https://go.dev/doc/install) 和 `make`（如果尚未安裝）
+3. 如果之前編譯過（go < 1.22），請使用 `go clean -cache` 清除快取
 
-3. 如果之前編譯過（go 版本 < 1.22），請使用 `go clean -cache` 清除緩存
+4. 使用 `make get` 獲取依賴
 
-4. 使用 `make get` 獲取依賴項
+5. 使用 `make build` 編譯二進制檔案
 
-5. 使用 `make build` 編譯
+[🔼 回到頂部](#目錄)
-
-[🔼 返回頂部](#目錄)

agent/cmd/main.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/env"
+	"github.com/yusing/go-proxy/agent/pkg/server"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/metrics/systeminfo"
+	httpServer "github.com/yusing/go-proxy/internal/net/gphttp/server"
+	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/pkg"
+	socketproxy "github.com/yusing/go-proxy/socketproxy/pkg"
+)
+
+func main() {
+	ca := &agent.PEMPair{}
+	err := ca.Load(env.AgentCACert)
+	if err != nil {
+		gperr.LogFatal("init CA error", err)
+	}
+	caCert, err := ca.ToTLSCert()
+	if err != nil {
+		gperr.LogFatal("init CA error", err)
+	}
+
+	srv := &agent.PEMPair{}
+	srv.Load(env.AgentSSLCert)
+	if err != nil {
+		gperr.LogFatal("init SSL error", err)
+	}
+	srvCert, err := srv.ToTLSCert()
+	if err != nil {
+		gperr.LogFatal("init SSL error", err)
+	}
+
+	logging.Info().Msgf("GoDoxy Agent version %s", pkg.GetVersion())
+	logging.Info().Msgf("Agent name: %s", env.AgentName)
+	logging.Info().Msgf("Agent port: %d", env.AgentPort)
+
+	logging.Info().Msg(`
+Tips:
+1. To change the agent name, you can set the AGENT_NAME environment variable.
+2. To change the agent port, you can set the AGENT_PORT environment variable.
+`)
+
+	t := task.RootTask("agent", false)
+	opts := server.Options{
+		CACert:     caCert,
+		ServerCert: srvCert,
+		Port:       env.AgentPort,
+	}
+
+	server.StartAgentServer(t, opts)
+
+	if socketproxy.ListenAddr != "" {
+		logging.Info().Msgf("Docker socket listening on: %s", socketproxy.ListenAddr)
+		opts := httpServer.Options{
+			Name:     "docker",
+			HTTPAddr: socketproxy.ListenAddr,
+			Handler:  socketproxy.NewHandler(),
+		}
+		httpServer.StartServer(t, opts)
+	}
+
+	systeminfo.Poller.Start()
+
+	task.WaitExit(3)
+}

agent/go.mod

@@ -0,0 +1,92 @@
+module github.com/yusing/go-proxy/agent
+
+go 1.24.3
+
+replace github.com/yusing/go-proxy => ..
+
+replace github.com/yusing/go-proxy/socketproxy => ../socket-proxy
+
+replace github.com/docker/docker => github.com/godoxy-app/docker v0.0.0-20250425105916-b2ad800de7a1
+
+replace github.com/shirou/gopsutil/v4 => github.com/godoxy-app/gopsutil/v4 v4.0.0-20250502022742-408a348f1b97
+
+require (
+	github.com/coder/websocket v1.8.13
+	github.com/rs/zerolog v1.34.0
+	github.com/stretchr/testify v1.10.0
+	github.com/yusing/go-proxy v0.0.0-00010101000000-000000000000
+	github.com/yusing/go-proxy/socketproxy v0.0.0-00010101000000-000000000000
+)
+
+require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/PuerkitoBio/goquery v1.10.3 // indirect
+	github.com/andybalholm/cascadia v1.3.3 // indirect
+	github.com/buger/goterm v1.0.4 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/diskfs/go-diskfs v1.6.0 // indirect
+	github.com/distribution/reference v0.6.0 // indirect
+	github.com/djherbis/times v1.6.0 // indirect
+	github.com/docker/cli v28.1.1+incompatible // indirect
+	github.com/docker/docker v28.1.1+incompatible // indirect
+	github.com/docker/go-connections v0.5.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/ebitengine/purego v0.8.3 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/go-acme/lego/v4 v4.23.1 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.0 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.26.0 // indirect
+	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
+	github.com/goccy/go-yaml v1.17.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/google/pprof v0.0.0-20250501235452-c0086092b71a // indirect
+	github.com/gorilla/mux v1.8.1 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/gotify/server/v2 v2.6.3 // indirect
+	github.com/jinzhu/copier v0.4.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/lithammer/fuzzysearch v1.1.8 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 // indirect
+	github.com/luthermonson/go-proxmox v0.2.2 // indirect
+	github.com/magefile/mage v1.15.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/miekg/dns v1.1.66 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // indirect
+	github.com/onsi/ginkgo/v2 v2.23.4 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.1.1 // indirect
+	github.com/oschwald/maxminddb-golang v1.13.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
+	github.com/puzpuzpuz/xsync/v4 v4.1.0 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
+	github.com/quic-go/quic-go v0.51.0 // indirect
+	github.com/samber/lo v1.50.0 // indirect
+	github.com/samber/slog-common v0.18.1 // indirect
+	github.com/samber/slog-zerolog/v2 v2.7.3 // indirect
+	github.com/shirou/gopsutil/v4 v4.25.4 // indirect
+	github.com/sirupsen/logrus v1.9.4-0.20230606125235-dd1b4c2e81af // indirect
+	github.com/spf13/afero v1.14.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/vincent-petithory/dataurl v1.0.0 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	go.uber.org/automaxprocs v1.6.0 // indirect
+	go.uber.org/mock v0.5.2 // indirect
+	golang.org/x/crypto v0.38.0 // indirect
+	golang.org/x/mod v0.24.0 // indirect
+	golang.org/x/net v0.40.0 // indirect
+	golang.org/x/sync v0.14.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
+	golang.org/x/time v0.11.0 // indirect
+	golang.org/x/tools v0.33.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

agent/go.sum

@@ -0,0 +1,330 @@
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agent/pkg/agent/bare_metal.go

@@ -0,0 +1,23 @@
+package agent
+
+import (
+	"bytes"
+	"text/template"
+)
+
+var (
+	installScript = `AGENT_NAME="{{.Name}}" \
+	AGENT_PORT="{{.Port}}" \
+	AGENT_CA_CERT="{{.CACert}}" \
+	AGENT_SSL_CERT="{{.SSLCert}}" \
+	bash -c "$(curl -fsSL https://raw.githubusercontent.com/yusing/godoxy/main/scripts/install-agent.sh)"`
+	installScriptTemplate = template.Must(template.New("install.sh").Parse(installScript))
+)
+
+func (c *AgentEnvConfig) Generate() (string, error) {
+	buf := bytes.NewBuffer(make([]byte, 0, 4096))
+	if err := installScriptTemplate.Execute(buf, c); err != nil {
+		return "", err
+	}
+	return buf.String(), nil
+}

agent/pkg/agent/config.go

@@ -0,0 +1,197 @@
+package agent
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/rs/zerolog"
+	"github.com/yusing/go-proxy/agent/pkg/certs"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/pkg"
+)
+
+type AgentConfig struct {
+	Addr string
+
+	httpClient *http.Client
+	tlsConfig  *tls.Config
+	name       string
+	version    string
+	l          zerolog.Logger
+}
+
+const (
+	EndpointVersion    = "/version"
+	EndpointName       = "/name"
+	EndpointProxyHTTP  = "/proxy/http"
+	EndpointHealth     = "/health"
+	EndpointLogs       = "/logs"
+	EndpointSystemInfo = "/system_info"
+
+	AgentHost = CertsDNSName
+
+	APIEndpointBase = "/godoxy/agent"
+	APIBaseURL      = "https://" + AgentHost + APIEndpointBase
+
+	DockerHost = "https://" + AgentHost
+
+	FakeDockerHostPrefix    = "agent://"
+	FakeDockerHostPrefixLen = len(FakeDockerHostPrefix)
+)
+
+func mustParseURL(urlStr string) *url.URL {
+	u, err := url.Parse(urlStr)
+	if err != nil {
+		panic(err)
+	}
+	return u
+}
+
+var (
+	AgentURL              = mustParseURL(APIBaseURL)
+	HTTPProxyURL          = mustParseURL(APIBaseURL + EndpointProxyHTTP)
+	HTTPProxyURLPrefixLen = len(APIEndpointBase + EndpointProxyHTTP)
+)
+
+func IsDockerHostAgent(dockerHost string) bool {
+	return strings.HasPrefix(dockerHost, FakeDockerHostPrefix)
+}
+
+func GetAgentAddrFromDockerHost(dockerHost string) string {
+	return dockerHost[FakeDockerHostPrefixLen:]
+}
+
+func (cfg *AgentConfig) FakeDockerHost() string {
+	return FakeDockerHostPrefix + cfg.Addr
+}
+
+func (cfg *AgentConfig) Parse(addr string) error {
+	cfg.Addr = addr
+	return nil
+}
+
+var serverVersion = pkg.GetVersion()
+
+func (cfg *AgentConfig) StartWithCerts(ctx context.Context, ca, crt, key []byte) error {
+	clientCert, err := tls.X509KeyPair(crt, key)
+	if err != nil {
+		return err
+	}
+
+	// create tls config
+	caCertPool := x509.NewCertPool()
+	ok := caCertPool.AppendCertsFromPEM(ca)
+	if !ok {
+		return errors.New("invalid ca certificate")
+	}
+
+	cfg.tlsConfig = &tls.Config{
+		Certificates: []tls.Certificate{clientCert},
+		RootCAs:      caCertPool,
+		ServerName:   CertsDNSName,
+	}
+
+	// create transport and http client
+	cfg.httpClient = cfg.NewHTTPClient()
+
+	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	// get agent name
+	name, _, err := cfg.Fetch(ctx, EndpointName)
+	if err != nil {
+		return err
+	}
+
+	cfg.name = string(name)
+
+	cfg.l = logging.With().Str("agent", cfg.name).Logger()
+
+	// check agent version
+	agentVersionBytes, _, err := cfg.Fetch(ctx, EndpointVersion)
+	if err != nil {
+		return err
+	}
+
+	cfg.version = string(agentVersionBytes)
+	agentVersion := pkg.ParseVersion(cfg.version)
+
+	if serverVersion.IsNewerMajorThan(agentVersion) {
+		logging.Warn().Msgf("agent %s major version mismatch: server: %s, agent: %s", cfg.name, serverVersion, agentVersion)
+	}
+
+	logging.Info().Msgf("agent %q initialized", cfg.name)
+	return nil
+}
+
+func (cfg *AgentConfig) Start(ctx context.Context) error {
+	filepath, ok := certs.AgentCertsFilepath(cfg.Addr)
+	if !ok {
+		return fmt.Errorf("invalid agent host: %s", cfg.Addr)
+	}
+
+	certData, err := os.ReadFile(filepath)
+	if err != nil {
+		return fmt.Errorf("failed to read agent certs: %w", err)
+	}
+
+	ca, crt, key, err := certs.ExtractCert(certData)
+	if err != nil {
+		return fmt.Errorf("failed to extract agent certs: %w", err)
+	}
+
+	return cfg.StartWithCerts(ctx, ca, crt, key)
+}
+
+func (cfg *AgentConfig) NewHTTPClient() *http.Client {
+	return &http.Client{
+		Transport: cfg.Transport(),
+	}
+}
+
+func (cfg *AgentConfig) Transport() *http.Transport {
+	return &http.Transport{
+		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+			if addr != AgentHost+":443" {
+				return nil, &net.AddrError{Err: "invalid address", Addr: addr}
+			}
+			if network != "tcp" {
+				return nil, &net.OpError{Op: "dial", Net: network, Source: nil, Addr: nil}
+			}
+			return cfg.DialContext(ctx)
+		},
+		TLSClientConfig: cfg.tlsConfig,
+	}
+}
+
+var dialer = &net.Dialer{Timeout: 5 * time.Second}
+
+func (cfg *AgentConfig) DialContext(ctx context.Context) (net.Conn, error) {
+	return dialer.DialContext(ctx, "tcp", cfg.Addr)
+}
+
+func (cfg *AgentConfig) Name() string {
+	return cfg.name
+}
+
+func (cfg *AgentConfig) String() string {
+	return cfg.name + "@" + cfg.Addr
+}
+
+func (cfg *AgentConfig) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]string{
+		"name":    cfg.Name(),
+		"addr":    cfg.Addr,
+		"version": cfg.version,
+	})
+}

agent/pkg/agent/docker_compose.go

@@ -0,0 +1,27 @@
+package agent
+
+import (
+	"bytes"
+	"text/template"
+
+	_ "embed"
+)
+
+var (
+	//go:embed templates/agent.compose.yml
+	agentComposeYAML         string
+	agentComposeYAMLTemplate = template.Must(template.New("agent.compose.yml").Parse(agentComposeYAML))
+)
+
+const (
+	DockerImageProduction = "ghcr.io/yusing/godoxy-agent:latest"
+	DockerImageNightly    = "ghcr.io/yusing/godoxy-agent:nightly"
+)
+
+func (c *AgentComposeConfig) Generate() (string, error) {
+	buf := bytes.NewBuffer(make([]byte, 0, 1024))
+	if err := agentComposeYAMLTemplate.Execute(buf, c); err != nil {
+		return "", err
+	}
+	return buf.String(), nil
+}

agent/pkg/agent/env.go

@@ -0,0 +1,17 @@
+package agent
+
+type (
+	AgentEnvConfig struct {
+		Name    string
+		Port    int
+		CACert  string
+		SSLCert string
+	}
+	AgentComposeConfig struct {
+		Image string
+		*AgentEnvConfig
+	}
+	Generator interface {
+		Generate() (string, error)
+	}
+)

agent/pkg/agent/new_agent.go

@@ -0,0 +1,189 @@
+package agent
+
+import (
+	"crypto/rand"
+	"crypto/tls"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/base64"
+	"encoding/pem"
+	"errors"
+	"math/big"
+	"strings"
+	"time"
+
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"fmt"
+)
+
+const (
+	CertsDNSName = "godoxy.agent"
+)
+
+func toPEMPair(certDER []byte, key *ecdsa.PrivateKey) *PEMPair {
+	marshaledKey, err := marshalECPrivateKey(key)
+	if err != nil {
+		// This is a critical internal error during PEM encoding of a newly generated key.
+		// Panicking is acceptable here as it indicates a fundamental issue.
+		panic(fmt.Sprintf("failed to marshal EC private key for PEM encoding: %v", err))
+	}
+	return &PEMPair{
+		Cert: pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER}),
+		Key:  pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: marshaledKey}),
+	}
+}
+
+func marshalECPrivateKey(key *ecdsa.PrivateKey) ([]byte, error) {
+	derBytes, err := x509.MarshalECPrivateKey(key)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal EC private key: %w", err)
+	}
+	return derBytes, nil
+}
+
+func b64Encode(data []byte) string {
+	return base64.StdEncoding.EncodeToString(data)
+}
+
+func b64Decode(data string) ([]byte, error) {
+	return base64.StdEncoding.DecodeString(data)
+}
+
+type PEMPair struct {
+	Cert, Key []byte
+}
+
+func (p *PEMPair) String() string {
+	return b64Encode(p.Cert) + ";" + b64Encode(p.Key)
+}
+
+func (p *PEMPair) Load(data string) (err error) {
+	parts := strings.Split(data, ";")
+	if len(parts) != 2 {
+		return errors.New("invalid PEM pair")
+	}
+	p.Cert, err = b64Decode(parts[0])
+	if err != nil {
+		return err
+	}
+	p.Key, err = b64Decode(parts[1])
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (p *PEMPair) ToTLSCert() (*tls.Certificate, error) {
+	cert, err := tls.X509KeyPair(p.Cert, p.Key)
+	return &cert, err
+}
+
+func newSerialNumber() (*big.Int, error) {
+	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) // 128-bit random number
+	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
+	if err != nil {
+		return nil, fmt.Errorf("failed to generate serial number: %w", err)
+	}
+	return serialNumber, nil
+}
+
+func NewAgent() (ca, srv, client *PEMPair, err error) {
+	caSerialNumber, err := newSerialNumber()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	// Create the CA's certificate
+	caTemplate := &x509.Certificate{
+		SerialNumber: caSerialNumber,
+		Subject: pkix.Name{
+			Organization: []string{"GoDoxy"},
+			CommonName:   CertsDNSName,
+		},
+		NotBefore:             time.Now(),
+		NotAfter:              time.Now().AddDate(1000, 0, 0), // 1000 years
+		KeyUsage:              x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
+		BasicConstraintsValid: true,
+		IsCA:                  true,
+		MaxPathLen:            0,
+		MaxPathLenZero:        true,
+		SignatureAlgorithm:    x509.ECDSAWithSHA256,
+	}
+
+	caKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	caDER, err := x509.CreateCertificate(rand.Reader, caTemplate, caTemplate, &caKey.PublicKey, caKey)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	ca = toPEMPair(caDER, caKey)
+
+	// Generate a new private key for the server certificate
+	serverKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	serverSerialNumber, err := newSerialNumber()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	srvTemplate := &x509.Certificate{
+		SerialNumber: serverSerialNumber,
+		Issuer:       caTemplate.Subject,
+		Subject: pkix.Name{
+			Organization:       caTemplate.Subject.Organization,
+			OrganizationalUnit: []string{"Server"},
+			CommonName:         CertsDNSName,
+		},
+		DNSNames:           []string{CertsDNSName},
+		NotBefore:          time.Now(),
+		NotAfter:           time.Now().AddDate(1000, 0, 0), // Add validity period
+		KeyUsage:           x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:        []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		SignatureAlgorithm: x509.ECDSAWithSHA256,
+	}
+
+	srvCertDER, err := x509.CreateCertificate(rand.Reader, srvTemplate, caTemplate, &serverKey.PublicKey, caKey)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	srv = toPEMPair(srvCertDER, serverKey)
+
+	clientKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	clientSerialNumber, err := newSerialNumber()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	clientTemplate := &x509.Certificate{
+		SerialNumber: clientSerialNumber,
+		Issuer:       caTemplate.Subject,
+		Subject: pkix.Name{
+			Organization:       caTemplate.Subject.Organization,
+			OrganizationalUnit: []string{"Client"},
+			CommonName:         CertsDNSName,
+		},
+		DNSNames:           []string{CertsDNSName},
+		NotBefore:          time.Now(),
+		NotAfter:           time.Now().AddDate(1000, 0, 0),
+		KeyUsage:           x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:        []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
+		SignatureAlgorithm: x509.ECDSAWithSHA256,
+	}
+	clientCertDER, err := x509.CreateCertificate(rand.Reader, clientTemplate, caTemplate, &clientKey.PublicKey, caKey)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	client = toPEMPair(clientCertDER, clientKey)
+	return
+}

agent/pkg/agent/new_agent_test.go

@@ -0,0 +1,91 @@
+package agent
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewAgent(t *testing.T) {
+	ca, srv, client, err := NewAgent()
+	require.NoError(t, err)
+	require.NotNil(t, ca)
+	require.NotNil(t, srv)
+	require.NotNil(t, client)
+}
+
+func TestPEMPair(t *testing.T) {
+	ca, srv, client, err := NewAgent()
+	require.NoError(t, err)
+
+	for i, p := range []*PEMPair{ca, srv, client} {
+		t.Run(fmt.Sprintf("load-%d", i), func(t *testing.T) {
+			var pp PEMPair
+			err := pp.Load(p.String())
+			require.NoError(t, err)
+			require.Equal(t, p.Cert, pp.Cert)
+			require.Equal(t, p.Key, pp.Key)
+		})
+	}
+}
+
+func TestPEMPairToTLSCert(t *testing.T) {
+	ca, srv, client, err := NewAgent()
+	require.NoError(t, err)
+
+	for i, p := range []*PEMPair{ca, srv, client} {
+		t.Run(fmt.Sprintf("toTLSCert-%d", i), func(t *testing.T) {
+			cert, err := p.ToTLSCert()
+			require.NoError(t, err)
+			require.NotNil(t, cert)
+		})
+	}
+}
+
+func TestServerClient(t *testing.T) {
+	ca, srv, client, err := NewAgent()
+	require.NoError(t, err)
+
+	srvTLS, err := srv.ToTLSCert()
+	require.NoError(t, err)
+	require.NotNil(t, srvTLS)
+
+	clientTLS, err := client.ToTLSCert()
+	require.NoError(t, err)
+	require.NotNil(t, clientTLS)
+
+	caPool := x509.NewCertPool()
+	require.True(t, caPool.AppendCertsFromPEM(ca.Cert))
+
+	srvTLSConfig := &tls.Config{
+		Certificates: []tls.Certificate{*srvTLS},
+		ClientCAs:    caPool,
+		ClientAuth:   tls.RequireAndVerifyClientCert,
+	}
+
+	clientTLSConfig := &tls.Config{
+		Certificates: []tls.Certificate{*clientTLS},
+		RootCAs:      caPool,
+		ServerName:   CertsDNSName,
+	}
+
+	server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+	server.TLS = srvTLSConfig
+	server.StartTLS()
+	defer server.Close()
+
+	httpClient := &http.Client{
+		Transport: &http.Transport{TLSClientConfig: clientTLSConfig},
+	}
+
+	resp, err := httpClient.Get(server.URL)
+	require.NoError(t, err)
+	require.Equal(t, resp.StatusCode, http.StatusOK)
+}

agent/pkg/agent/requests.go

@@ -0,0 +1,49 @@
+package agent
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/coder/websocket"
+)
+
+func (cfg *AgentConfig) Do(ctx context.Context, method, endpoint string, body io.Reader) (*http.Response, error) {
+	req, err := http.NewRequestWithContext(ctx, method, APIBaseURL+endpoint, body)
+	if err != nil {
+		return nil, err
+	}
+	return cfg.httpClient.Do(req)
+}
+
+func (cfg *AgentConfig) Forward(req *http.Request, endpoint string) ([]byte, int, error) {
+	req = req.WithContext(req.Context())
+	req.URL.Host = AgentHost
+	req.URL.Scheme = "https"
+	req.URL.Path = APIEndpointBase + endpoint
+	req.RequestURI = ""
+	resp, err := cfg.httpClient.Do(req)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	return data, resp.StatusCode, nil
+}
+
+func (cfg *AgentConfig) Fetch(ctx context.Context, endpoint string) ([]byte, int, error) {
+	resp, err := cfg.Do(ctx, "GET", endpoint, nil)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	return data, resp.StatusCode, nil
+}
+
+func (cfg *AgentConfig) Websocket(ctx context.Context, endpoint string) (*websocket.Conn, *http.Response, error) {
+	return websocket.Dial(ctx, APIBaseURL+endpoint, &websocket.DialOptions{
+		HTTPClient: cfg.NewHTTPClient(),
+		Host:       AgentHost,
+	})
+}

agent/pkg/agent/templates/agent.compose.yml

@@ -0,0 +1,44 @@
+services:
+  agent:
+    image: "{{.Image}}"
+    container_name: godoxy-agent
+    restart: always
+    network_mode: host # do not change this
+    environment:
+      AGENT_NAME: "{{.Name}}"
+      AGENT_PORT: "{{.Port}}"
+      AGENT_CA_CERT: "{{.CACert}}"
+      AGENT_SSL_CERT: "{{.SSLCert}}"
+      # use agent as a docker socket proxy: [host]:port
+      # set LISTEN_ADDR to enable (e.g. 127.0.0.1:2375)
+      LISTEN_ADDR:
+      POST: false
+      ALLOW_RESTARTS: false
+      ALLOW_START: false
+      ALLOW_STOP: false
+      AUTH: false
+      BUILD: false
+      COMMIT: false
+      CONFIGS: false
+      CONTAINERS: false
+      DISTRIBUTION: false
+      EVENTS: true
+      EXEC: false
+      GRPC: false
+      IMAGES: false
+      INFO: false
+      NETWORKS: false
+      NODES: false
+      PING: true
+      PLUGINS: false
+      SECRETS: false
+      SERVICES: false
+      SESSION: false
+      SWARM: false
+      SYSTEM: false
+      TASKS: false
+      VERSION: true
+      VOLUMES: false
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./data:/app/data

agent/pkg/agentproxy/headers.go

@@ -0,0 +1,27 @@
+package agentproxy
+
+import (
+	"net/http"
+	"strconv"
+)
+
+const (
+	HeaderXProxyHost                  = "X-Proxy-Host"
+	HeaderXProxyHTTPS                 = "X-Proxy-Https"
+	HeaderXProxySkipTLSVerify         = "X-Proxy-Skip-Tls-Verify"
+	HeaderXProxyResponseHeaderTimeout = "X-Proxy-Response-Header-Timeout"
+)
+
+type AgentProxyHeaders struct {
+	Host                  string
+	IsHTTPS               bool
+	SkipTLSVerify         bool
+	ResponseHeaderTimeout int
+}
+
+func SetAgentProxyHeaders(r *http.Request, headers *AgentProxyHeaders) {
+	r.Header.Set(HeaderXProxyHost, headers.Host)
+	r.Header.Set(HeaderXProxyHTTPS, strconv.FormatBool(headers.IsHTTPS))
+	r.Header.Set(HeaderXProxySkipTLSVerify, strconv.FormatBool(headers.SkipTLSVerify))
+	r.Header.Set(HeaderXProxyResponseHeaderTimeout, strconv.Itoa(headers.ResponseHeaderTimeout))
+}

agent/pkg/certs/zip.go

@@ -0,0 +1,85 @@
+package certs
+
+import (
+	"archive/zip"
+	"bytes"
+	"io"
+	"path/filepath"
+
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+const AgentCertsBasePath = "certs"
+
+func writeFile(zipWriter *zip.Writer, name string, data []byte) error {
+	w, err := zipWriter.CreateHeader(&zip.FileHeader{
+		Name:   name,
+		Method: zip.Store,
+	})
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(data)
+	return err
+}
+
+func readFile(f *zip.File) ([]byte, error) {
+	r, err := f.Open()
+	if err != nil {
+		return nil, err
+	}
+	defer r.Close()
+	return io.ReadAll(r)
+}
+
+func ZipCert(ca, crt, key []byte) ([]byte, error) {
+	data := bytes.NewBuffer(make([]byte, 0, 6144))
+	zipWriter := zip.NewWriter(data)
+	defer zipWriter.Close()
+
+	if err := writeFile(zipWriter, "ca.pem", ca); err != nil {
+		return nil, err
+	}
+	if err := writeFile(zipWriter, "cert.pem", crt); err != nil {
+		return nil, err
+	}
+	if err := writeFile(zipWriter, "key.pem", key); err != nil {
+		return nil, err
+	}
+	if err := zipWriter.Close(); err != nil {
+		return nil, err
+	}
+	return data.Bytes(), nil
+}
+
+func isValidAgentHost(host string) bool {
+	return strutils.IsValidFilename(host + ".zip")
+}
+
+func AgentCertsFilepath(host string) (filepathOut string, ok bool) {
+	if !isValidAgentHost(host) {
+		return "", false
+	}
+	return filepath.Join(AgentCertsBasePath, host+".zip"), true
+}
+
+func ExtractCert(data []byte) (ca, crt, key []byte, err error) {
+	zipReader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	for _, file := range zipReader.File {
+		switch file.Name {
+		case "ca.pem":
+			ca, err = readFile(file)
+		case "cert.pem":
+			crt, err = readFile(file)
+		case "key.pem":
+			key, err = readFile(file)
+		}
+		if err != nil {
+			return nil, nil, nil, err
+		}
+	}
+	return ca, crt, key, nil
+}

agent/pkg/certs/zip_test.go

@@ -0,0 +1,20 @@
+package certs_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/yusing/go-proxy/agent/pkg/certs"
+)
+
+func TestZipCert(t *testing.T) {
+	ca, crt, key := []byte("test1"), []byte("test2"), []byte("test3")
+	zipData, err := certs.ZipCert(ca, crt, key)
+	require.NoError(t, err)
+
+	ca2, crt2, key2, err := certs.ExtractCert(zipData)
+	require.NoError(t, err)
+	require.Equal(t, ca, ca2)
+	require.Equal(t, crt, crt2)
+	require.Equal(t, key, key2)
+}

agent/pkg/env/env.go

@@ -0,0 +1,38 @@
+package env
+
+import (
+	"os"
+
+	"github.com/yusing/go-proxy/internal/common"
+)
+
+func DefaultAgentName() string {
+	name, err := os.Hostname()
+	if err != nil {
+		return "agent"
+	}
+	return name
+}
+
+var (
+	AgentName                string
+	AgentPort                int
+	AgentSkipClientCertCheck bool
+	AgentCACert              string
+	AgentSSLCert             string
+	DockerSocket             string
+)
+
+func init() {
+	Load()
+}
+
+func Load() {
+	DockerSocket = common.GetEnvString("DOCKER_SOCKET", "/var/run/docker.sock")
+	AgentName = common.GetEnvString("AGENT_NAME", DefaultAgentName())
+	AgentPort = common.GetEnvInt("AGENT_PORT", 8890)
+	AgentSkipClientCertCheck = common.GetEnvBool("AGENT_SKIP_CLIENT_CERT_CHECK", false)
+
+	AgentCACert = common.GetEnvString("AGENT_CA_CERT", "")
+	AgentSSLCert = common.GetEnvString("AGENT_SSL_CERT", "")
+}

agent/pkg/handler/check_health.go

@@ -0,0 +1,80 @@
+package handler
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+
+	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
+)
+
+var defaultHealthConfig = health.DefaultHealthConfig()
+
+func CheckHealth(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+	scheme := query.Get("scheme")
+	if scheme == "" {
+		http.Error(w, "missing scheme", http.StatusBadRequest)
+		return
+	}
+
+	var result *health.HealthCheckResult
+	var err error
+	switch scheme {
+	case "fileserver":
+		path := query.Get("path")
+		if path == "" {
+			http.Error(w, "missing path", http.StatusBadRequest)
+			return
+		}
+		_, err := os.Stat(path)
+		result = &health.HealthCheckResult{Healthy: err == nil}
+		if err != nil {
+			result.Detail = err.Error()
+		}
+	case "http", "https": // path is optional
+		host := query.Get("host")
+		path := query.Get("path")
+		if host == "" {
+			http.Error(w, "missing host", http.StatusBadRequest)
+			return
+		}
+		result, err = monitor.NewHTTPHealthMonitor(&url.URL{
+			Scheme: scheme,
+			Host:   host,
+			Path:   path,
+		}, defaultHealthConfig).CheckHealth()
+	case "tcp", "udp":
+		host := query.Get("host")
+		if host == "" {
+			http.Error(w, "missing host", http.StatusBadRequest)
+			return
+		}
+		hasPort := strings.Contains(host, ":")
+		port := query.Get("port")
+		if port != "" && hasPort {
+			http.Error(w, "port and host with port cannot both be provided", http.StatusBadRequest)
+			return
+		}
+		if port != "" {
+			host = fmt.Sprintf("%s:%s", host, port)
+		}
+		result, err = monitor.NewRawHealthMonitor(&url.URL{
+			Scheme: scheme,
+			Host:   host,
+		}, defaultHealthConfig).CheckHealth()
+	}
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadGateway)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	json.NewEncoder(w).Encode(result)
+}

agent/pkg/handler/check_health_test.go

@@ -0,0 +1,216 @@
+package handler_test
+
+import (
+	"encoding/json"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strconv"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/handler"
+	"github.com/yusing/go-proxy/internal/watcher/health"
+)
+
+func TestCheckHealthHTTP(t *testing.T) {
+	tests := []struct {
+		name            string
+		setupServer     func() *httptest.Server
+		queryParams     map[string]string
+		expectedStatus  int
+		expectedHealthy bool
+	}{
+		{
+			name: "Valid",
+			setupServer: func() *httptest.Server {
+				return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+					w.WriteHeader(http.StatusOK)
+				}))
+			},
+			queryParams: map[string]string{
+				"scheme": "http",
+				"host":   "localhost",
+				"path":   "/",
+			},
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: true,
+		},
+		{
+			name:        "InvalidQuery",
+			setupServer: nil,
+			queryParams: map[string]string{
+				"scheme": "http",
+			},
+			expectedStatus: http.StatusBadRequest,
+		},
+		{
+			name:        "ConnectionError",
+			setupServer: nil,
+			queryParams: map[string]string{
+				"scheme": "http",
+				"host":   "localhost:12345",
+			},
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var server *httptest.Server
+			if tt.setupServer != nil {
+				server = tt.setupServer()
+				defer server.Close()
+				u, _ := url.Parse(server.URL)
+				tt.queryParams["scheme"] = u.Scheme
+				tt.queryParams["host"] = u.Host
+				tt.queryParams["path"] = u.Path
+			}
+
+			recorder := httptest.NewRecorder()
+			query := url.Values{}
+			for key, value := range tt.queryParams {
+				query.Set(key, value)
+			}
+			request := httptest.NewRequest(http.MethodGet, agent.APIEndpointBase+agent.EndpointHealth+"?"+query.Encode(), nil)
+			handler.CheckHealth(recorder, request)
+
+			require.Equal(t, recorder.Code, tt.expectedStatus)
+
+			if tt.expectedStatus == http.StatusOK {
+				var result health.HealthCheckResult
+				require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &result))
+				require.Equal(t, result.Healthy, tt.expectedHealthy)
+			}
+		})
+	}
+}
+
+func TestCheckHealthFileServer(t *testing.T) {
+	tests := []struct {
+		name            string
+		path            string
+		expectedStatus  int
+		expectedHealthy bool
+		expectedDetail  string
+	}{
+		{
+			name:            "ValidPath",
+			path:            t.TempDir(),
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: true,
+			expectedDetail:  "",
+		},
+		{
+			name:            "InvalidPath",
+			path:            "/invalid",
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: false,
+			expectedDetail:  "stat /invalid: no such file or directory",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			query := url.Values{}
+			query.Set("scheme", "fileserver")
+			query.Set("path", tt.path)
+
+			recorder := httptest.NewRecorder()
+			request := httptest.NewRequest(http.MethodGet, agent.APIEndpointBase+agent.EndpointHealth+"?"+query.Encode(), nil)
+			handler.CheckHealth(recorder, request)
+
+			require.Equal(t, recorder.Code, tt.expectedStatus)
+
+			var result health.HealthCheckResult
+			require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &result))
+			require.Equal(t, result.Healthy, tt.expectedHealthy)
+			require.Equal(t, result.Detail, tt.expectedDetail)
+		})
+	}
+}
+
+func TestCheckHealthTCPUDP(t *testing.T) {
+	tcp, err := net.Listen("tcp", "localhost:0")
+	require.NoError(t, err)
+	go func() {
+		conn, err := tcp.Accept()
+		require.NoError(t, err)
+		conn.Close()
+	}()
+
+	udp, err := net.ListenPacket("udp", "localhost:0")
+	require.NoError(t, err)
+	go func() {
+		buf := make([]byte, 1024)
+		n, addr, err := udp.ReadFrom(buf)
+		require.NoError(t, err)
+		require.Equal(t, string(buf[:n]), "ping")
+		_, _ = udp.WriteTo([]byte("pong"), addr)
+		udp.Close()
+	}()
+
+	tests := []struct {
+		name            string
+		scheme          string
+		host            string
+		port            int
+		expectedStatus  int
+		expectedHealthy bool
+	}{
+		{
+			name:            "ValidTCP",
+			scheme:          "tcp",
+			host:            "localhost",
+			port:            tcp.Addr().(*net.TCPAddr).Port,
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: true,
+		},
+		{
+			name:            "InvalidHost",
+			scheme:          "tcp",
+			host:            "invalid",
+			port:            8080,
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: false,
+		},
+		{
+			name:            "ValidUDP",
+			scheme:          "udp",
+			host:            "localhost",
+			port:            udp.LocalAddr().(*net.UDPAddr).Port,
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: true,
+		},
+		{
+			name:            "InvalidHost",
+			scheme:          "udp",
+			host:            "invalid",
+			port:            8080,
+			expectedStatus:  http.StatusOK,
+			expectedHealthy: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			query := url.Values{}
+			query.Set("scheme", tt.scheme)
+			query.Set("host", tt.host)
+			query.Set("port", strconv.Itoa(tt.port))
+
+			recorder := httptest.NewRecorder()
+			request := httptest.NewRequest(http.MethodGet, agent.APIEndpointBase+agent.EndpointHealth+"?"+query.Encode(), nil)
+			handler.CheckHealth(recorder, request)
+
+			require.Equal(t, recorder.Code, tt.expectedStatus)
+
+			var result health.HealthCheckResult
+			require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &result))
+			require.Equal(t, result.Healthy, tt.expectedHealthy)
+		})
+	}
+}

agent/pkg/handler/handler.go

@@ -0,0 +1,57 @@
+package handler
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"time"
+
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/env"
+	"github.com/yusing/go-proxy/internal/metrics/systeminfo"
+	"github.com/yusing/go-proxy/pkg"
+)
+
+type ServeMux struct{ *http.ServeMux }
+
+func (mux ServeMux) HandleEndpoint(method, endpoint string, handler http.HandlerFunc) {
+	mux.ServeMux.HandleFunc(method+" "+agent.APIEndpointBase+endpoint, handler)
+}
+
+func (mux ServeMux) HandleFunc(endpoint string, handler http.HandlerFunc) {
+	mux.ServeMux.HandleFunc(agent.APIEndpointBase+endpoint, handler)
+}
+
+var dialer = &net.Dialer{KeepAlive: 1 * time.Second}
+
+func dialDockerSocket(ctx context.Context, _, _ string) (net.Conn, error) {
+	return dialer.DialContext(ctx, "unix", env.DockerSocket)
+}
+
+func dockerSocketHandler() http.HandlerFunc {
+	rp := httputil.NewSingleHostReverseProxy(&url.URL{
+		Scheme: "http",
+		Host:   "api.moby.localhost",
+	})
+	rp.Transport = &http.Transport{
+		DialContext: dialDockerSocket,
+	}
+	return rp.ServeHTTP
+}
+
+func NewAgentHandler() http.Handler {
+	mux := ServeMux{http.NewServeMux()}
+
+	mux.HandleFunc(agent.EndpointProxyHTTP+"/{path...}", ProxyHTTP)
+	mux.HandleEndpoint("GET", agent.EndpointVersion, pkg.GetVersionHTTPHandler())
+	mux.HandleEndpoint("GET", agent.EndpointName, func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, env.AgentName)
+	})
+	mux.HandleEndpoint("GET", agent.EndpointHealth, CheckHealth)
+	mux.HandleEndpoint("GET", agent.EndpointSystemInfo, systeminfo.Poller.ServeHTTP)
+	mux.ServeMux.HandleFunc("/", dockerSocketHandler())
+	return mux
+}

agent/pkg/handler/proxy_http.go

@@ -0,0 +1,67 @@
+package handler
+
+import (
+	"crypto/tls"
+	"net/http"
+	"net/http/httputil"
+	"strconv"
+	"time"
+
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/agentproxy"
+)
+
+func NewTransport() *http.Transport {
+	return &http.Transport{
+		MaxIdleConnsPerHost:   100,
+		IdleConnTimeout:       90 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+		ResponseHeaderTimeout: 60 * time.Second,
+		WriteBufferSize:       16 * 1024, // 16KB
+		ReadBufferSize:        16 * 1024, // 16KB
+	}
+}
+
+func ProxyHTTP(w http.ResponseWriter, r *http.Request) {
+	host := r.Header.Get(agentproxy.HeaderXProxyHost)
+	isHTTPS, _ := strconv.ParseBool(r.Header.Get(agentproxy.HeaderXProxyHTTPS))
+	skipTLSVerify, _ := strconv.ParseBool(r.Header.Get(agentproxy.HeaderXProxySkipTLSVerify))
+	responseHeaderTimeout, err := strconv.Atoi(r.Header.Get(agentproxy.HeaderXProxyResponseHeaderTimeout))
+	if err != nil {
+		responseHeaderTimeout = 0
+	}
+
+	if host == "" {
+		http.Error(w, "missing required headers", http.StatusBadRequest)
+		return
+	}
+
+	scheme := "http"
+	if isHTTPS {
+		scheme = "https"
+	}
+
+	transport := NewTransport()
+	if skipTLSVerify {
+		transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+	}
+
+	if responseHeaderTimeout > 0 {
+		transport.ResponseHeaderTimeout = time.Duration(responseHeaderTimeout) * time.Second
+	}
+
+	r.URL.Scheme = ""
+	r.URL.Host = ""
+	r.URL.Path = r.URL.Path[agent.HTTPProxyURLPrefixLen:] // strip the {API_BASE}/proxy/http prefix
+	r.RequestURI = r.URL.String()
+
+	rp := &httputil.ReverseProxy{
+		Director: func(r *http.Request) {
+			r.URL.Scheme = scheme
+			r.URL.Host = host
+		},
+		Transport: transport,
+	}
+	rp.ServeHTTP(w, r)
+}

agent/pkg/server/server.go

@@ -0,0 +1,44 @@
+package server
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	"net/http"
+
+	"github.com/yusing/go-proxy/agent/pkg/env"
+	"github.com/yusing/go-proxy/agent/pkg/handler"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/net/gphttp/server"
+	"github.com/yusing/go-proxy/internal/task"
+)
+
+type Options struct {
+	CACert, ServerCert *tls.Certificate
+	Port               int
+}
+
+func StartAgentServer(parent task.Parent, opt Options) {
+	caCertPool := x509.NewCertPool()
+	caCertPool.AddCert(opt.CACert.Leaf)
+
+	// Configure TLS
+	tlsConfig := &tls.Config{
+		Certificates: []tls.Certificate{*opt.ServerCert},
+		ClientCAs:    caCertPool,
+		ClientAuth:   tls.RequireAndVerifyClientCert,
+	}
+
+	if env.AgentSkipClientCertCheck {
+		tlsConfig.ClientAuth = tls.NoClientCert
+	}
+
+	logger := logging.GetLogger()
+	agentServer := &http.Server{
+		Addr:      fmt.Sprintf(":%d", opt.Port),
+		Handler:   handler.NewAgentHandler(),
+		TLSConfig: tlsConfig,
+	}
+
+	server.Start(parent, agentServer, nil, logger)
+}

cmd/main.go

@@ -1,154 +1,78 @@
 package main
 
 import (
-	"encoding/json"
-	"log"
-	"net/http"
 	"os"
-	"os/signal"
+	"sync"
-	"syscall"
-	"time"
 
-	"github.com/yusing/go-proxy/internal"
+	"github.com/yusing/go-proxy/internal/auth"
-	"github.com/yusing/go-proxy/internal/api"
-	"github.com/yusing/go-proxy/internal/api/v1/query"
 	"github.com/yusing/go-proxy/internal/common"
 	"github.com/yusing/go-proxy/internal/config"
-	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/dnsproviders"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/homepage"
 	"github.com/yusing/go-proxy/internal/logging"
-	"github.com/yusing/go-proxy/internal/net/http/middleware"
+	"github.com/yusing/go-proxy/internal/logging/memlogger"
-	R "github.com/yusing/go-proxy/internal/route"
+	"github.com/yusing/go-proxy/internal/metrics/systeminfo"
-	"github.com/yusing/go-proxy/internal/server"
+	"github.com/yusing/go-proxy/internal/metrics/uptime"
+	"github.com/yusing/go-proxy/internal/net/gphttp/middleware"
 	"github.com/yusing/go-proxy/internal/task"
 	"github.com/yusing/go-proxy/pkg"
 )
 
+func parallel(fns ...func()) {
+	var wg sync.WaitGroup
+	for _, fn := range fns {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			fn()
+		}()
+	}
+	wg.Wait()
+}
+
 func main() {
-	args := common.GetArgs()
+	initProfiling()
 
-	switch args.Command {
+	logging.InitLogger(os.Stderr, memlogger.GetMemLogger())
-	case common.CommandSetup:
+	logging.Info().Msgf("GoDoxy version %s", pkg.GetVersion())
-		internal.Setup()
+	logging.Trace().Msg("trace enabled")
-		return
+	parallel(
-	case common.CommandReload:
+		dnsproviders.InitProviders,
-		if err := query.ReloadServer(); err != nil {
+		homepage.InitIconListCache,
-			E.LogFatal("server reload error", err)
+		systeminfo.Poller.Start,
-		}
+		middleware.LoadComposeFiles,
-		logging.Info().Msg("ok")
+	)
-		return
-	case common.CommandListIcons:
-		icons, err := internal.ListAvailableIcons()
-		if err != nil {
-			log.Fatal(err)
-		}
-		printJSON(icons)
-		return
-	case common.CommandListRoutes:
-		routes, err := query.ListRoutes()
-		if err != nil {
-			log.Printf("failed to connect to api server: %s", err)
-			log.Printf("falling back to config file")
-			printJSON(config.RoutesByAlias())
-		} else {
-			printJSON(routes)
-		}
-		return
-	case common.CommandDebugListMTrace:
-		trace, err := query.ListMiddlewareTraces()
-		if err != nil {
-			log.Fatal(err)
-		}
-		printJSON(trace)
-		return
-	}
 
-	if args.Command == common.CommandStart {
+	if common.APIJWTSecret == nil {
-		logging.Info().Msgf("go-proxy version %s", pkg.GetVersion())
+		logging.Warn().Msg("API_JWT_SECRET is not set, using random key")
-		logging.Trace().Msg("trace enabled")
+		common.APIJWTSecret = common.RandomJWTKey()
-		// logging.AddHook(notif.GetDispatcher())
-	} else {
-		logging.DiscardLogger()
-	}
-
-	if args.Command == common.CommandValidate {
-		data, err := os.ReadFile(common.ConfigPath)
-		if err == nil {
-			err = config.Validate(data)
-		}
-		if err != nil {
-			log.Fatal("config error: ", err)
-		}
-		log.Print("config OK")
-		return
 	}
 
 	for _, dir := range common.RequiredDirectories {
 		prepareDirectory(dir)
 	}
 
-	middleware.LoadComposeFiles()
+	cfg, err := config.Load()
-
+	if err != nil {
-	var cfg *config.Config
+		gperr.LogWarn("errors in config", err)
-	var err E.Error
-	if cfg, err = config.Load(); err != nil {
-		E.LogWarn("errors in config", err)
 	}
 
-	switch args.Command {
+	cfg.Start(&config.StartServersOptions{
-	case common.CommandListConfigs:
+		Proxy: true,
-		printJSON(config.Value())
+	})
-		return
+	if err := auth.Initialize(); err != nil {
-	case common.CommandDebugListEntries:
+		logging.Fatal().Err(err).Msg("failed to initialize authentication")
-		printJSON(config.DumpEntries())
-		return
-	case common.CommandDebugListProviders:
-		printJSON(config.DumpProviders())
-		return
 	}
+	// API Handler needs to start after auth is initialized.
+	cfg.StartServers(&config.StartServersOptions{
+		API: true,
+	})
 
-	cfg.StartProxyProviders()
+	uptime.Poller.Start()
 	config.WatchChanges()
 
-	sig := make(chan os.Signal, 1)
+	task.WaitExit(cfg.Value().TimeoutShutdown)
-	signal.Notify(sig, syscall.SIGINT)
-	signal.Notify(sig, syscall.SIGTERM)
-	signal.Notify(sig, syscall.SIGHUP)
-
-	autocert := config.GetAutoCertProvider()
-	if autocert != nil {
-		if err := autocert.Setup(); err != nil {
-			E.LogFatal("autocert setup error", err)
-		}
-	} else {
-		logging.Info().Msg("autocert not configured")
-	}
-
-	proxyServer := server.InitProxyServer(server.Options{
-		Name:            "proxy",
-		CertProvider:    autocert,
-		HTTPAddr:        common.ProxyHTTPAddr,
-		HTTPSAddr:       common.ProxyHTTPSAddr,
-		Handler:         http.HandlerFunc(R.ProxyHandler),
-		RedirectToHTTPS: config.Value().RedirectToHTTPS,
-	})
-	apiServer := server.InitAPIServer(server.Options{
-		Name:            "api",
-		CertProvider:    autocert,
-		HTTPAddr:        common.APIHTTPAddr,
-		Handler:         api.NewHandler(),
-		RedirectToHTTPS: config.Value().RedirectToHTTPS,
-	})
-
-	proxyServer.Start()
-	apiServer.Start()
-
-	// wait for signal
-	<-sig
-
-	// grafully shutdown
-	logging.Info().Msg("shutting down")
-	task.CancelGlobalContext()
-	task.GlobalContextWait(time.Second * time.Duration(config.Value().TimeoutShutdown))
 }
 
 func prepareDirectory(dir string) {
@@ -158,12 +82,3 @@ func prepareDirectory(dir string) {
 		}
 	}
 }
-
-func printJSON(obj any) {
-	j, err := json.MarshalIndent(obj, "", "  ")
-	if err != nil {
-		logging.Fatal().Err(err).Send()
-	}
-	rawLogger := log.New(os.Stdout, "", 0)
-	rawLogger.Printf("%s", j) // raw output for convenience using "jq"
-}

cmd/pprof_production.go

@@ -0,0 +1,7 @@
+//go:build !pprof
+
+package main
+
+func initProfiling() {
+	// no profiling in production
+}

cmd/pprof_prof.go

@@ -0,0 +1,20 @@
+//go:build pprof
+
+package main
+
+import (
+	"log"
+	"net/http"
+	_ "net/http/pprof"
+	"runtime"
+	"runtime/debug"
+)
+
+func initProfiling() {
+	runtime.GOMAXPROCS(2)
+	debug.SetMemoryLimit(100 * 1024 * 1024)
+	debug.SetMaxStack(15 * 1024 * 1024)
+	go func() {
+		log.Println(http.ListenAndServe(":7777", nil))
+	}()
+}

compose.example.yml

@@ -1,42 +1,81 @@
 ---
 services:
-    frontend:
+  socket-proxy:
-        image: ghcr.io/yusing/go-proxy-frontend:latest
+    container_name: socket-proxy
-        container_name: go-proxy-frontend
+    image: ghcr.io/yusing/socket-proxy:latest
-        restart: unless-stopped
+    environment:
-        network_mode: host
+      - ALLOW_START=1
-        env_file: .env
+      - ALLOW_STOP=1
-        depends_on:
+      - ALLOW_RESTARTS=1
-            - app
+      - CONTAINERS=1
-        # modify below to fit your needs
+      - EVENTS=1
-        labels:
+      - INFO=1
-            proxy.aliases: gp
+      - PING=1
-            proxy.#1.port: 3000
+      - POST=1
-            proxy.#1.middlewares.cidr_whitelist.status_code: 403
+      - VERSION=1
-            proxy.#1.middlewares.cidr_whitelist.message: IP not allowed
+    volumes:
-            proxy.#1.middlewares.cidr_whitelist.allow: |
+      - ${DOCKER_SOCKET:-/var/run/docker.sock}:/var/run/docker.sock
-                - 127.0.0.1
+    restart: unless-stopped
-                - 10.0.0.0/8
+    tmpfs:
-                - 192.168.0.0/16
+      - /run
-                - 172.16.0.0/12
+    ports:
-    app:
+      - ${SOCKET_PROXY_LISTEN_ADDR:-127.0.0.1:2375}:2375
-        image: ghcr.io/yusing/go-proxy:latest
+  frontend:
-        container_name: go-proxy
+    image: ghcr.io/yusing/godoxy-frontend:${TAG:-latest}
-        restart: always
+    container_name: godoxy-frontend
-        network_mode: host
+    restart: unless-stopped
-        env_file: .env
+    network_mode: host # do not change this
-        volumes:
+    env_file: .env
-            - /var/run/docker.sock:/var/run/docker.sock
+    user: ${GODOXY_UID:-1000}:${GODOXY_GID:-1000}
-            - ./config:/app/config
+    read_only: true
-            - ./error_pages:/app/error_pages
+    security_opt:
+      - no-new-privileges:true
+    cap_drop:
+      - all
+    depends_on:
+      - app
+    environment:
+      HOSTNAME: 127.0.0.1
+      PORT: ${GODOXY_FRONTEND_PORT:-3000}
+    labels:
+      proxy.aliases: ${GODOXY_FRONTEND_ALIASES:-godoxy}
+      proxy.#1.port: ${GODOXY_FRONTEND_PORT:-3000}
+      # proxy.#1.middlewares.cidr_whitelist: |
+      #   status: 403
+      #   message: IP not allowed
+      #   allow:
+      #     - 127.0.0.1
+      #     - 10.0.0.0/8
+      #     - 192.168.0.0/16
+      #     - 172.16.0.0/12
+  app:
+    image: ghcr.io/yusing/godoxy:${TAG:-latest}
+    container_name: godoxy
+    restart: always
+    network_mode: host # do not change this
+    env_file: .env
+    user: ${GODOXY_UID:-1000}:${GODOXY_GID:-1000}
+    depends_on:
+      socket-proxy:
+        condition: service_started
+    security_opt:
+      - no-new-privileges:true
+    cap_drop:
+      - all
+    cap_add:
+      - NET_BIND_SERVICE
+    environment:
+      - DOCKER_HOST=tcp://${SOCKET_PROXY_LISTEN_ADDR:-127.0.0.1:2375}
+    volumes:
+      - ./config:/app/config
+      - ./logs:/app/logs
+      - ./error_pages:/app/error_pages:ro
+      - ./data:/app/data
 
-            # (Optional) choose one of below to enable https
+      # To use autocert, certs will be stored in "./certs".
-            # 1. use existing certificate
+      # You can also use a docker volume to store it
+      - ./certs:/app/certs
 
-            # - /path/to/certs/cert.crt:/app/certs/cert.crt
+      # remove "./certs:/app/certs" and uncomment below to use existing certificate
-            # - /path/to/certs/priv.key:/app/certs/priv.key
+      # - /path/to/certs/cert.crt:/app/certs/cert.crt
-
+      # - /path/to/certs/priv.key:/app/certs/priv.key
-            # 2. use autocert, certs will be stored in ./certs
-            #    you can also use a docker volume to store it
-
-            # - ./certs:/app/certs

config.example.yml

@@ -1,24 +1,76 @@
 # Autocert (choose one below and uncomment to enable)
 #
 # 1. use existing cert
-#
+
 # autocert:
 #   provider: local
-#
+
-#   cert_path: certs/cert.crt         # optional, uncomment only if you need to change it
-#   key_path: certs/priv.key          # optional, uncomment only if you need to change it
-#
 # 2. cloudflare
-#
 # autocert:
 #   provider: cloudflare
-#   email: abc@gmail.com                            # ACME Email
+#   email: abc@gmail.com # ACME Email
-#   domains:                                        # a list of domains for cert registration
+#   domains: # a list of domains for cert registration
-#     - "*.y.z"                                     # remember to use double quotes to surround wildcard domain
+#     - "*.domain.com"
+#     - "domain.com"
 #   options:
-#     auth_token: c1234565789-abcdefghijklmnopqrst  # your zone API token
+#     auth_token: c1234565789-abcdefghijklmnopqrst # your zone API token
-#
+
-# 3. other providers, check docs/dns_providers.md for more
+# 3. other providers, see https://github.com/yusing/godoxy/wiki/Supported-DNS%E2%80%9001-Providers#supported-dns-01-providers
+
+# acl:
+#   default: allow # or deny (default: allow)
+#   allow_local: true # or false (default: true)
+#   allow:
+#     - ip:1.2.3.4
+#     - cidr:1.2.3.4/32
+#     - country:US
+#     - timezone:Asia/Shanghai
+#   deny:
+#     - ip:1.2.3.4
+#     - cidr:1.2.3.4/32
+#     - country:US
+#     - timezone:Asia/Shanghai
+#   log: # warning: logging ACL can be slow based on the number of incoming connections and configured rules
+#     buffer_size: 65536 # (default: 64KB)
+#     path: /app/logs/acl.log # (default: none)
+#     stdout: false # (default: false)
+#     keep: last 10 # (default: none)
+
+entrypoint:
+  # Below define an example of middleware config
+  # 1. set security headers
+  # 2. block non local IP connections
+  # 3. redirect HTTP to HTTPS
+  #
+  middlewares:
+    - use: CloudflareRealIP
+    - use: ModifyResponse
+      set_headers:
+        Access-Control-Allow-Methods: GET, POST, PUT, PATCH, DELETE, OPTIONS, HEAD
+        Access-Control-Allow-Headers: "*"
+        Access-Control-Allow-Origin: "*"
+        Access-Control-Max-Age: 180
+        Vary: "*"
+        X-XSS-Protection: 1; mode=block
+        Content-Security-Policy: "object-src 'self'; frame-ancestors 'self';"
+        X-Content-Type-Options: nosniff
+        X-Frame-Options: SAMEORIGIN
+        Referrer-Policy: same-origin
+        Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
+    # - use: CIDRWhitelist
+    #   allow:
+    #     - "127.0.0.1"
+    #     - "10.0.0.0/8"
+    #     - "172.16.0.0/12"
+    #     - "192.168.0.0/16"
+    #   status: 403
+    #   message: "Forbidden"
+    # - use: RedirectHTTP
+
+  # below enables access log
+  access_log:
+    format: combined
+    path: /app/logs/entrypoint.log
 
 providers:
   # include files are standalone yaml files under `config/` directory
@@ -30,6 +82,7 @@ providers:
   docker:
     # $DOCKER_HOST implies environment variable `DOCKER_HOST` or unix:///var/run/docker.sock by default
     local: $DOCKER_HOST
+
     # explicit only mode
     # only containers with explicit aliases will be proxied
     # add "!" after provider name to enable explicit only mode
@@ -41,29 +94,40 @@ providers:
     #
     # remote-1: tcp://10.0.2.1:2375
     # remote-2: ssh://root:1234@10.0.2.2
-# if match_domains not defined
+
-# any host = alias+[any domain] will match
+  # notification providers (notify when service health changes)
-# i.e. https://app1.y.z       will match alias app1 for any domain y.z
+  #
-#  but https://app1.node1.y.z will only match alias "app.node1"
+  # notification:
-#
+  #   - name: gotify
-# if match_domains defined
+  #     provider: gotify
-# only host = alias+[one of match_domains] will match
+  #     url: https://gotify.domain.tld
-# i.e. match_domains = [node1.my.app, my.site]
+  #     token: abcd
-# https://app1.my.app, https://app1.my.net, etc. will not match even if app1 exists
+  #   - name: discord
-# only https://*.node1.my.app and https://*.my.site will match
+  #     provider: webhook
-#
+  #     url: https://discord.com/api/webhooks/...
+  #     template: discord # this means use payload template from internal/notif/templates/discord.json
+
+  # Proxmox providers (for idlesleep support for proxmox LXCs)
+  #
+  # proxmox:
+  #   - url: https://pve.domain.com:8006/api2/json
+  #     token_id: root@pam!abcdef
+  #     secret: aaaa-bbbb-cccc-dddd
+  #     no_tls_verify: true
+
+# Check https://github.com/yusing/godoxy/wiki/Certificates-and-domain-matching#domain-matching
+# for explaination of `match_domains`
 #
 # match_domains:
 #   - my.site
 #   - node1.my.app
 
+# homepage config
+homepage:
+  # use default app categories detected from alias or docker image name
+  use_default_categories: true
+
 # Below are fixed options (non hot-reloadable)
 
 # timeout for shutdown (in seconds)
-#
+timeout_shutdown: 5
-# timeout_shutdown: 5
-
-# global setting redirect http requests to https (if https available, otherwise this will be ignored)
-# proxy.<alias>.middlewares.redirect_http will override this
-#
-# redirect_to_https: false

examples/docker-compose/n8n.yml

@@ -0,0 +1,27 @@
+---
+services:
+  n8n:
+    image: n8nio/n8n
+    container_name: n8n
+    restart: always
+    expose:
+      - 5678
+    labels:
+      proxy.n8n.middlewares.request.set_headers: |
+        SSLRedirect: true
+        STSSeconds: 315360000
+        browserXSSFilter: true
+        contentTypeNosniff: true
+        forceSTSHeader: true
+        SSLHost: ${DOMAIN_NAME}
+        STSIncludeSubdomains: true
+        STSPreload: true
+    environment:
+      - N8N_HOST=${SUBDOMAIN}.${DOMAIN_NAME}
+      - N8N_PORT=5678
+      - N8N_PROTOCOL=https
+      - NODE_ENV=production
+      - WEBHOOK_URL=https://${SUBDOMAIN}.${DOMAIN_NAME}/
+      - GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
+    volumes:
+      - ./data:/home/node/.n8n

examples/error_pages/404.html

@@ -1,42 +1,51 @@
 {{/* Credit: https://codepen.io/code2rithik/pen/XWpVvYL */}}
 <!DOCTYPE html>
-<html>
+<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <title>Page Not Found</title>
-    <link rel="stylesheet" href="/$gperrorpage/404.css" type="text/css">
-    {{/* <script src="/$gperrorpage/404.js"> */}}
-  </head>
-  <body>
-    <script>0</script>
-    <div></div>
-    <svg id="svgWrap_2" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 700 250">
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-    </svg>
 
-    <svg>
+<head>
-      <defs>
+  <meta charset="UTF-8" />
-        <filter id="glow">
+  <title>Page Not Found</title>
-          <fegaussianblur class="blur" result="coloredBlur" stddeviation="4"></fegaussianblur>
+  <link rel="stylesheet" href="/$gperrorpage/404.css" type="text/css">
-          <femerge>
+  <!-- <script src="/$gperrorpage/404.js"> </script> -->
-            <femergenode in="coloredBlur"></femergenode>
+</head>
-            <femergenode in="SourceGraphic"></femergenode>
-          </femerge>
-        </filter>
-      </defs>
-    </svg>
 
-    <h2>Page Not Found</h2>
+<body>
-  </body>
+  <script>0</script>
-</html>
+  <div></div>
+  <svg id="svgWrap_2" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 700 250">
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+        d="M688.33 232.67h-37.1V149.7H520.39c-2.64 0-5.1-.5-7.36-1.49-2.27-.99-4.23-2.31-5.88-3.96-1.65-1.65-2.95-3.61-3.89-5.88s-1.42-4.67-1.42-7.22V29.62h36.82v82.98h112.57V29.62h37.1v203.05z" />
+    </g>
+  </svg>
+
+  <svg>
+    <defs>
+      <filter id="glow">
+        <fegaussianblur class="blur" result="coloredBlur" stddeviation="4"></fegaussianblur>
+        <femerge>
+          <femergenode in="coloredBlur"></femergenode>
+          <femergenode in="SourceGraphic"></femergenode>
+        </femerge>
+      </filter>
+    </defs>
+  </svg>
+
+  <h2>Page Not Found</h2>
+</body>
+
+</html>

go.mod

@@ -1,64 +1,251 @@
 module github.com/yusing/go-proxy
 
-go 1.23.2
+go 1.24.3
+
+replace github.com/yusing/go-proxy/agent => ./agent
+
+replace github.com/yusing/go-proxy/internal/dnsproviders => ./internal/dnsproviders
+
+replace github.com/coreos/go-oidc/v3 => github.com/godoxy-app/go-oidc/v3 v3.14.2
+
+replace github.com/docker/docker => github.com/godoxy-app/docker v0.0.0-20250425105916-b2ad800de7a1
+
+replace github.com/shirou/gopsutil/v4 => github.com/godoxy-app/gopsutil/v4 v4.0.0-20250502022742-408a348f1b97
 
 require (
-	github.com/coder/websocket v1.8.12
+	github.com/PuerkitoBio/goquery v1.10.3 // parsing HTML for extract fav icon
-	github.com/docker/cli v27.3.1+incompatible
+	github.com/coder/websocket v1.8.13 // websocket for API and agent
-	github.com/docker/docker v27.3.1+incompatible
+	github.com/coreos/go-oidc/v3 v3.14.1 // oidc authentication
-	github.com/fsnotify/fsnotify v1.7.0
+	github.com/docker/docker v28.1.1+incompatible // docker daemon
-	github.com/go-acme/lego/v4 v4.19.2
+	github.com/fsnotify/fsnotify v1.9.0 // file watcher
-	github.com/golang-jwt/jwt/v5 v5.2.1
+	github.com/go-acme/lego/v4 v4.23.1 // acme client
-	github.com/gotify/server/v2 v2.5.0
+	github.com/go-playground/validator/v10 v10.26.0 // validator
-	github.com/puzpuzpuz/xsync/v3 v3.4.0
+	github.com/gobwas/glob v0.2.3 // glob matcher for route rules
-	github.com/rs/zerolog v1.33.0
+	github.com/gotify/server/v2 v2.6.3 // reference the Message struct for json response
-	github.com/santhosh-tekuri/jsonschema v1.2.4
+	github.com/lithammer/fuzzysearch v1.1.8 // fuzzy search for searching icons and filtering metrics
-	golang.org/x/net v0.30.0
+	github.com/puzpuzpuz/xsync/v4 v4.1.0 // lock free map for concurrent operations
-	golang.org/x/text v0.19.0
+	github.com/rs/zerolog v1.34.0 // logging
-	golang.org/x/time v0.7.0
+	github.com/shirou/gopsutil/v4 v4.25.4 // system info metrics
-	gopkg.in/yaml.v3 v3.0.1
+	github.com/vincent-petithory/dataurl v1.0.0 // data url for fav icon
+	golang.org/x/crypto v0.38.0 // encrypting password with bcrypt
+	golang.org/x/net v0.40.0 // HTTP header utilities
+	golang.org/x/oauth2 v0.30.0 // oauth2 authentication
+	golang.org/x/time v0.11.0 // time utilities
 )
 
 require (
+	github.com/docker/cli v28.1.1+incompatible
+	github.com/goccy/go-yaml v1.17.1 // yaml parsing for different config files
+	github.com/golang-jwt/jwt/v5 v5.2.2
+	github.com/luthermonson/go-proxmox v0.2.2
+	github.com/oschwald/maxminddb-golang v1.13.1
+	github.com/quic-go/quic-go v0.51.0
+	github.com/samber/slog-zerolog/v2 v2.7.3
+	github.com/spf13/afero v1.14.0
+	github.com/stretchr/testify v1.10.0
+	github.com/yusing/go-proxy/agent v0.0.0-00010101000000-000000000000
+	github.com/yusing/go-proxy/internal/dnsproviders v0.0.0-00010101000000-000000000000
+	go.uber.org/atomic v1.11.0
+)
+
+require (
+	cloud.google.com/go/auth v0.16.1 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
+	cloud.google.com/go/compute/metadata v0.7.0 // indirect
+	github.com/AdamSLevy/jsonrpc2/v14 v14.1.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/dns/armdns v1.2.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/privatedns/armprivatedns v1.3.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resourcegraph/armresourcegraph v0.9.0 // indirect
+	github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/OpenDNS/vegadns2client v0.0.0-20180418235048-a3fa4a771d87 // indirect
+	github.com/akamai/AkamaiOPEN-edgegrid-golang v1.2.2 // indirect
+	github.com/aliyun/alibaba-cloud-sdk-go v1.63.107 // indirect
+	github.com/andybalholm/cascadia v1.3.3 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.36.3 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.29.14 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.17.67 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.30 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.34 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.34 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.15 // indirect
+	github.com/aws/aws-sdk-go-v2/service/lightsail v1.43.2 // indirect
+	github.com/aws/aws-sdk-go-v2/service/route53 v1.51.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.25.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.30.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.33.19 // indirect
+	github.com/aws/smithy-go v1.22.3 // indirect
+	github.com/baidubce/bce-sdk-go v0.9.226 // indirect
+	github.com/benbjohnson/clock v1.3.5 // indirect
+	github.com/boombuler/barcode v1.0.2 // indirect
+	github.com/buger/goterm v1.0.4 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
-	github.com/cloudflare/cloudflare-go v0.108.0 // indirect
+	github.com/civo/civogo v0.5.0 // indirect
-	github.com/containerd/log v0.1.0 // indirect
+	github.com/cloudflare/cloudflare-go v0.115.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/diskfs/go-diskfs v1.6.0 // indirect
 	github.com/distribution/reference v0.6.0 // indirect
-	github.com/docker/go-connections v0.5.0 // indirect
+	github.com/djherbis/times v1.6.0 // indirect
+	github.com/dnsimple/dnsimple-go v1.7.0 // indirect
+	github.com/docker/go-connections v0.5.0
 	github.com/docker/go-units v0.5.0 // indirect
+	github.com/ebitengine/purego v0.8.3 // indirect
+	github.com/exoscale/egoscale/v3 v3.1.17 // indirect
+	github.com/fatih/structs v1.1.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/go-jose/go-jose/v4 v4.0.4 // indirect
+	github.com/fxamacker/cbor/v2 v2.8.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/go-errors/errors v1.5.1 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-resty/resty/v2 v2.16.5 // indirect
+	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect; indirectindirect
+	github.com/gofrs/flock v0.12.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
+	github.com/google/pprof v0.0.0-20250501235452-c0086092b71a // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/google/s2a-go v0.1.9 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
+	github.com/googleapis/gax-go/v2 v2.14.2 // indirect
+	github.com/gophercloud/gophercloud v1.14.1 // indirect
+	github.com/gophercloud/utils v0.0.0-20231010081019-80377eca5d56 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
+	github.com/hashicorp/go-uuid v1.0.3 // indirect
+	github.com/huaweicloud/huaweicloud-sdk-go-v3 v0.1.149 // indirect
+	github.com/iij/doapi v0.0.0-20190504054126-0bbf12d6d7df // indirect
+	github.com/infobloxopen/infoblox-go-client/v2 v2.10.0 // indirect
+	github.com/jinzhu/copier v0.4.0 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/k0kubun/go-ansi v0.0.0-20180517002512-3bf9e2903213 // indirect
+	github.com/kolo/xmlrpc v0.0.0-20220921171641-a4b6fa1dd06b // indirect
+	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/labbsr0x/bindman-dns-webhook v1.0.2 // indirect
+	github.com/labbsr0x/goh v1.0.1 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/linode/linodego v1.50.0 // indirect
+	github.com/liquidweb/liquidweb-cli v0.7.0 // indirect
+	github.com/liquidweb/liquidweb-go v1.6.4 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 // indirect
+	github.com/magefile/mage v1.15.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/miekg/dns v1.1.62 // indirect
+	github.com/miekg/dns v1.1.66 // indirect
+	github.com/mimuret/golang-iij-dpf v0.9.1 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
-	github.com/moby/term v0.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/namedotcom/go v0.0.0-20180403034216-08470befbe04 // indirect
+	github.com/nrdcg/auroradns v1.1.0 // indirect
+	github.com/nrdcg/bunny-go v0.0.0-20250327222614-988a091fc7ea // indirect
+	github.com/nrdcg/desec v0.11.0 // indirect
+	github.com/nrdcg/freemyip v0.3.0 // indirect
+	github.com/nrdcg/goacmedns v0.2.0 // indirect
+	github.com/nrdcg/goinwx v0.11.0 // indirect
+	github.com/nrdcg/mailinabox v0.2.0 // indirect
+	github.com/nrdcg/namesilo v0.2.1 // indirect
+	github.com/nrdcg/nodion v0.1.0 // indirect
+	github.com/nrdcg/porkbun v0.4.0 // indirect
+	github.com/nzdjb/go-metaname v1.0.0 // indirect
+	github.com/onsi/ginkgo/v2 v2.23.4 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.1.0 // indirect
+	github.com/opencontainers/image-spec v1.1.1 // indirect
-	github.com/ovh/go-ovh v1.6.0 // indirect
+	github.com/opentracing/opentracing-go v1.2.1-0.20220228012449-10b1cf09e00b // indirect
+	github.com/oracle/oci-go-sdk/v65 v65.91.0 // indirect
+	github.com/ovh/go-ovh v1.7.0 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/peterhellberg/link v1.2.0 // indirect
+	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rogpeppe/go-internal v1.13.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/sirupsen/logrus v1.9.3 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 // indirect
+	github.com/pquerna/otp v1.4.0 // indirect
-	go.opentelemetry.io/otel v1.31.0 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.30.0 // indirect
+	github.com/regfish/regfish-dnsapi-go v0.1.1 // indirect
-	go.opentelemetry.io/otel/metric v1.31.0 // indirect
+	github.com/rogpeppe/go-internal v1.14.1 // indirect
-	go.opentelemetry.io/otel/sdk v1.30.0 // indirect
+	github.com/sacloud/api-client-go v0.2.10 // indirect
-	go.opentelemetry.io/otel/trace v1.31.0 // indirect
+	github.com/sacloud/go-http v0.1.9 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
+	github.com/sacloud/iaas-api-go v1.15.0 // indirect
-	golang.org/x/mod v0.21.0 // indirect
+	github.com/sacloud/packages-go v0.0.11 // indirect
-	golang.org/x/oauth2 v0.23.0 // indirect
+	github.com/sagikazarmark/locafero v0.9.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
+	github.com/samber/lo v1.50.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
+	github.com/samber/slog-common v0.18.1 // indirect
-	golang.org/x/tools v0.26.0 // indirect
+	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.33 // indirect
+	github.com/selectel/domains-go v1.1.0 // indirect
+	github.com/selectel/go-selvpcclient/v3 v3.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/sirupsen/logrus v1.9.4-0.20230606125235-dd1b4c2e81af // indirect
+	github.com/smartystreets/go-aws-auth v0.0.0-20180515143844-0c1422d1fdb9 // indirect
+	github.com/softlayer/softlayer-go v1.1.7 // indirect
+	github.com/softlayer/xmlrpc v0.0.0-20200409220501-5f089df7cb7e // indirect
+	github.com/sony/gobreaker v1.0.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/cast v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/spf13/viper v1.20.1 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.1164 // indirect
+	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod v1.0.1136 // indirect
+	github.com/tjfoc/gmsm v1.4.1 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/transip/gotransip/v6 v6.26.0 // indirect
+	github.com/ultradns/ultradns-go-sdk v1.8.0-20241010134910-243eeec // indirect
+	github.com/vinyldns/go-vinyldns v0.9.16 // indirect
+	github.com/volcengine/volc-sdk-golang v1.0.207 // indirect
+	github.com/vultr/govultr/v3 v3.20.0 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.mongodb.org/mongo-driver v1.17.3 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
+	go.opentelemetry.io/otel v1.35.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect
+	go.opentelemetry.io/otel/metric v1.35.0 // indirect
+	go.opentelemetry.io/otel/trace v1.35.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.6.0 // indirect
+	go.uber.org/automaxprocs v1.6.0 // indirect
+	go.uber.org/mock v0.5.2 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/ratelimit v0.3.1 // indirect
+	golang.org/x/mod v0.24.0 // indirect
+	golang.org/x/sync v0.14.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.25.0
+	golang.org/x/tools v0.33.0 // indirect
+	google.golang.org/api v0.233.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250512202823-5a2f75b736a9 // indirect
+	google.golang.org/grpc v1.72.1 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	gotest.tools/v3 v3.5.1 // indirect
+	gopkg.in/ns1/ns1-go.v2 v2.14.3 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/api v0.33.0 // indirect
+	k8s.io/apimachinery v0.33.0 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/utils v0.0.0-20250502105355-0f33e8f1c979 // indirect
+	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.7.0 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )

internal/acl/config.go

@@ -0,0 +1,166 @@
+package acl
+
+import (
+	"net"
+	"time"
+
+	"github.com/puzpuzpuz/xsync/v4"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/logging/accesslog"
+	"github.com/yusing/go-proxy/internal/maxmind"
+	"github.com/yusing/go-proxy/internal/task"
+	"github.com/yusing/go-proxy/internal/utils"
+)
+
+type Config struct {
+	Default    string                     `json:"default" validate:"omitempty,oneof=allow deny"` // default: allow
+	AllowLocal *bool                      `json:"allow_local"`                                   // default: true
+	Allow      Matchers                   `json:"allow"`
+	Deny       Matchers                   `json:"deny"`
+	Log        *accesslog.ACLLoggerConfig `json:"log"`
+
+	config
+	valErr gperr.Error
+}
+
+type config struct {
+	defaultAllow bool
+	allowLocal   bool
+	ipCache      *xsync.Map[string, *checkCache]
+	logAllowed   bool
+	logger       *accesslog.AccessLogger
+}
+
+type checkCache struct {
+	*maxmind.IPInfo
+	allow   bool
+	created time.Time
+}
+
+const cacheTTL = 1 * time.Minute
+
+func (c *checkCache) Expired() bool {
+	return c.created.Add(cacheTTL).Before(utils.TimeNow())
+}
+
+//TODO: add stats
+
+const (
+	ACLAllow = "allow"
+	ACLDeny  = "deny"
+)
+
+func (c *Config) Validate() gperr.Error {
+	switch c.Default {
+	case "", ACLAllow:
+		c.defaultAllow = true
+	case ACLDeny:
+		c.defaultAllow = false
+	default:
+		c.valErr = gperr.New("invalid default value").Subject(c.Default)
+		return c.valErr
+	}
+
+	if c.AllowLocal != nil {
+		c.allowLocal = *c.AllowLocal
+	} else {
+		c.allowLocal = true
+	}
+
+	if c.Log != nil {
+		c.logAllowed = c.Log.LogAllowed
+	}
+
+	if !c.allowLocal && !c.defaultAllow && len(c.Allow) == 0 {
+		c.valErr = gperr.New("allow_local is false and default is deny, but no allow rules are configured")
+		return c.valErr
+	}
+
+	c.ipCache = xsync.NewMap[string, *checkCache]()
+	return nil
+}
+
+func (c *Config) Valid() bool {
+	return c != nil && c.valErr == nil
+}
+
+func (c *Config) Start(parent *task.Task) gperr.Error {
+	if c.Log != nil {
+		logger, err := accesslog.NewAccessLogger(parent, c.Log)
+		if err != nil {
+			return gperr.New("failed to start access logger").With(err)
+		}
+		c.logger = logger
+	}
+	if c.valErr != nil {
+		return c.valErr
+	}
+	logging.Info().
+		Str("default", c.Default).
+		Bool("allow_local", c.allowLocal).
+		Int("allow_rules", len(c.Allow)).
+		Int("deny_rules", len(c.Deny)).
+		Msg("ACL started")
+	return nil
+}
+
+func (c *Config) cacheRecord(info *maxmind.IPInfo, allow bool) {
+	if common.ForceResolveCountry && info.City == nil {
+		maxmind.LookupCity(info)
+	}
+	c.ipCache.Store(info.Str, &checkCache{
+		IPInfo:  info,
+		allow:   allow,
+		created: utils.TimeNow(),
+	})
+}
+
+func (c *config) log(info *maxmind.IPInfo, allowed bool) {
+	if c.logger == nil {
+		return
+	}
+	if !allowed || c.logAllowed {
+		c.logger.LogACL(info, !allowed)
+	}
+}
+
+func (c *Config) IPAllowed(ip net.IP) bool {
+	if ip == nil {
+		return false
+	}
+
+	// always allow loopback, not logged
+	if ip.IsLoopback() {
+		return true
+	}
+
+	if c.allowLocal && ip.IsPrivate() {
+		c.log(&maxmind.IPInfo{IP: ip, Str: ip.String()}, true)
+		return true
+	}
+
+	ipStr := ip.String()
+	record, ok := c.ipCache.Load(ipStr)
+	if ok && !record.Expired() {
+		c.log(record.IPInfo, record.allow)
+		return record.allow
+	}
+
+	ipAndStr := &maxmind.IPInfo{IP: ip, Str: ipStr}
+	if c.Allow.Match(ipAndStr) {
+		c.log(ipAndStr, true)
+		c.cacheRecord(ipAndStr, true)
+		return true
+	}
+	if c.Deny.Match(ipAndStr) {
+		c.log(ipAndStr, false)
+		c.cacheRecord(ipAndStr, false)
+		return false
+	}
+
+	c.log(ipAndStr, c.defaultAllow)
+	c.cacheRecord(ipAndStr, c.defaultAllow)
+	return c.defaultAllow
+}

internal/acl/matcher.go

@@ -0,0 +1,112 @@
+package acl
+
+import (
+	"net"
+	"strings"
+
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/maxmind"
+)
+
+type MatcherFunc func(*maxmind.IPInfo) bool
+
+type Matcher struct {
+	match MatcherFunc
+}
+
+type Matchers []Matcher
+
+const (
+	MatcherTypeIP       = "ip"
+	MatcherTypeCIDR     = "cidr"
+	MatcherTypeTimeZone = "tz"
+	MatcherTypeCountry  = "country"
+)
+
+// TODO: use this error in the future
+//
+//nolint:unused
+var errMatcherFormat = gperr.Multiline().AddLines(
+	"invalid matcher format, expect {type}:{value}",
+	"Available types: ip|cidr|tz|country",
+	"ip:127.0.0.1",
+	"cidr:127.0.0.0/8",
+	"tz:Asia/Shanghai",
+	"country:GB",
+)
+
+var (
+	errSyntax      = gperr.New("syntax error")
+	errInvalidIP   = gperr.New("invalid IP")
+	errInvalidCIDR = gperr.New("invalid CIDR")
+)
+
+func (matcher *Matcher) Parse(s string) error {
+	parts := strings.Split(s, ":")
+	if len(parts) != 2 {
+		return errSyntax
+	}
+
+	switch parts[0] {
+	case MatcherTypeIP:
+		ip := net.ParseIP(parts[1])
+		if ip == nil {
+			return errInvalidIP
+		}
+		matcher.match = matchIP(ip)
+	case MatcherTypeCIDR:
+		_, net, err := net.ParseCIDR(parts[1])
+		if err != nil {
+			return errInvalidCIDR
+		}
+		matcher.match = matchCIDR(net)
+	case MatcherTypeTimeZone:
+		matcher.match = matchTimeZone(parts[1])
+	case MatcherTypeCountry:
+		matcher.match = matchISOCode(parts[1])
+	default:
+		return errSyntax
+	}
+	return nil
+}
+
+func (matchers Matchers) Match(ip *maxmind.IPInfo) bool {
+	for _, m := range matchers {
+		if m.match(ip) {
+			return true
+		}
+	}
+	return false
+}
+
+func matchIP(ip net.IP) MatcherFunc {
+	return func(ip2 *maxmind.IPInfo) bool {
+		return ip.Equal(ip2.IP)
+	}
+}
+
+func matchCIDR(n *net.IPNet) MatcherFunc {
+	return func(ip *maxmind.IPInfo) bool {
+		return n.Contains(ip.IP)
+	}
+}
+
+func matchTimeZone(tz string) MatcherFunc {
+	return func(ip *maxmind.IPInfo) bool {
+		city, ok := maxmind.LookupCity(ip)
+		if !ok {
+			return false
+		}
+		return city.Location.TimeZone == tz
+	}
+}
+
+func matchISOCode(iso string) MatcherFunc {
+	return func(ip *maxmind.IPInfo) bool {
+		city, ok := maxmind.LookupCity(ip)
+		if !ok {
+			return false
+		}
+		return city.Country.IsoCode == iso
+	}
+}

internal/acl/matcher_test.go

@@ -0,0 +1,49 @@
+package acl
+
+import (
+	"net"
+	"reflect"
+	"testing"
+
+	maxmind "github.com/yusing/go-proxy/internal/maxmind/types"
+	"github.com/yusing/go-proxy/internal/utils"
+)
+
+func TestMatchers(t *testing.T) {
+	strMatchers := []string{
+		"ip:127.0.0.1",
+		"cidr:10.0.0.0/8",
+	}
+
+	var mathers Matchers
+	err := utils.Convert(reflect.ValueOf(strMatchers), reflect.ValueOf(&mathers), false)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	tests := []struct {
+		ip   string
+		want bool
+	}{
+		{"127.0.0.1", true},
+		{"10.0.0.1", true},
+		{"127.0.0.2", false},
+		{"192.168.0.1", false},
+		{"11.0.0.1", false},
+	}
+
+	for _, test := range tests {
+		ip := net.ParseIP(test.ip)
+		if ip == nil {
+			t.Fatalf("invalid ip: %s", test.ip)
+		}
+
+		got := mathers.Match(&maxmind.IPInfo{
+			IP:  ip,
+			Str: test.ip,
+		})
+		if got != test.want {
+			t.Errorf("mathers.Match(%s) = %v, want %v", test.ip, got, test.want)
+		}
+	}
+}

internal/acl/tcp_listener.go

@@ -0,0 +1,59 @@
+package acl
+
+import (
+	"io"
+	"net"
+	"time"
+)
+
+type TCPListener struct {
+	acl *Config
+	lis net.Listener
+}
+
+type noConn struct{}
+
+func (noConn) Read(b []byte) (int, error)         { return 0, io.EOF }
+func (noConn) Write(b []byte) (int, error)        { return 0, io.EOF }
+func (noConn) Close() error                       { return nil }
+func (noConn) LocalAddr() net.Addr                { return nil }
+func (noConn) RemoteAddr() net.Addr               { return nil }
+func (noConn) SetDeadline(t time.Time) error      { return nil }
+func (noConn) SetReadDeadline(t time.Time) error  { return nil }
+func (noConn) SetWriteDeadline(t time.Time) error { return nil }
+
+func (cfg *Config) WrapTCP(lis net.Listener) net.Listener {
+	if cfg == nil {
+		return lis
+	}
+	return &TCPListener{
+		acl: cfg,
+		lis: lis,
+	}
+}
+
+func (s *TCPListener) Addr() net.Addr {
+	return s.lis.Addr()
+}
+
+func (s *TCPListener) Accept() (net.Conn, error) {
+	c, err := s.lis.Accept()
+	if err != nil {
+		return nil, err
+	}
+	addr, ok := c.RemoteAddr().(*net.TCPAddr)
+	if !ok {
+		// Not a TCPAddr, drop
+		c.Close()
+		return noConn{}, nil
+	}
+	if !s.acl.IPAllowed(addr.IP) {
+		c.Close()
+		return noConn{}, nil
+	}
+	return c, nil
+}
+
+func (s *TCPListener) Close() error {
+	return s.lis.Close()
+}

internal/acl/udp_listener.go

@@ -0,0 +1,79 @@
+package acl
+
+import (
+	"net"
+	"time"
+)
+
+type UDPListener struct {
+	acl *Config
+	lis net.PacketConn
+}
+
+func (c *Config) WrapUDP(lis net.PacketConn) net.PacketConn {
+	if c == nil {
+		return lis
+	}
+	return &UDPListener{
+		acl: c,
+		lis: lis,
+	}
+}
+
+func (s *UDPListener) LocalAddr() net.Addr {
+	return s.lis.LocalAddr()
+}
+
+func (s *UDPListener) ReadFrom(p []byte) (int, net.Addr, error) {
+	for {
+		n, addr, err := s.lis.ReadFrom(p)
+		if err != nil {
+			return n, addr, err
+		}
+		udpAddr, ok := addr.(*net.UDPAddr)
+		if !ok {
+			// Not a UDPAddr, drop
+			continue
+		}
+		if !s.acl.IPAllowed(udpAddr.IP) {
+			// Drop packet from disallowed IP
+			continue
+		}
+		return n, addr, nil
+	}
+}
+
+func (s *UDPListener) WriteTo(p []byte, addr net.Addr) (int, error) {
+	for {
+		n, err := s.lis.WriteTo(p, addr)
+		if err != nil {
+			return n, err
+		}
+		udpAddr, ok := addr.(*net.UDPAddr)
+		if !ok {
+			// Not a UDPAddr, drop
+			continue
+		}
+		if !s.acl.IPAllowed(udpAddr.IP) {
+			// Drop packet to disallowed IP
+			continue
+		}
+		return n, nil
+	}
+}
+
+func (s *UDPListener) SetDeadline(t time.Time) error {
+	return s.lis.SetDeadline(t)
+}
+
+func (s *UDPListener) SetReadDeadline(t time.Time) error {
+	return s.lis.SetReadDeadline(t)
+}
+
+func (s *UDPListener) SetWriteDeadline(t time.Time) error {
+	return s.lis.SetWriteDeadline(t)
+}
+
+func (s *UDPListener) Close() error {
+	return s.lis.Close()
+}

internal/api/handler.go

@@ -2,72 +2,110 @@ package api
 
 import (
 	"fmt"
-	"net"
 	"net/http"
 
 	v1 "github.com/yusing/go-proxy/internal/api/v1"
-	"github.com/yusing/go-proxy/internal/api/v1/auth"
+	"github.com/yusing/go-proxy/internal/api/v1/certapi"
-	. "github.com/yusing/go-proxy/internal/api/v1/utils"
+	"github.com/yusing/go-proxy/internal/api/v1/dockerapi"
-	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/api/v1/favicon"
-	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/auth"
-	"github.com/yusing/go-proxy/internal/net/http/middleware"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/logging/memlogger"
+	"github.com/yusing/go-proxy/internal/metrics/uptime"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+	"github.com/yusing/go-proxy/pkg"
 )
 
-type ServeMux struct{ *http.ServeMux }
+type (
+	ServeMux struct {
+		*http.ServeMux
+		cfg config.ConfigInstance
+	}
+	WithCfgHandler = func(config.ConfigInstance, http.ResponseWriter, *http.Request)
+)
 
-func NewServeMux() ServeMux {
+func (mux ServeMux) HandleFunc(methods, endpoint string, h any, requireAuth ...bool) {
-	return ServeMux{http.NewServeMux()}
+	var handler http.HandlerFunc
+	switch h := h.(type) {
+	case func(http.ResponseWriter, *http.Request):
+		handler = h
+	case http.Handler:
+		handler = h.ServeHTTP
+	case WithCfgHandler:
+		handler = func(w http.ResponseWriter, r *http.Request) {
+			h(mux.cfg, w, r)
+		}
+	default:
+		panic(fmt.Errorf("unsupported handler type: %T", h))
+	}
+
+	matchDomains := mux.cfg.Value().MatchDomains
+	if len(matchDomains) > 0 {
+		origHandler := handler
+		handler = func(w http.ResponseWriter, r *http.Request) {
+			if httpheaders.IsWebsocket(r.Header) {
+				gpwebsocket.SetWebsocketAllowedDomains(r.Header, matchDomains)
+			}
+			origHandler(w, r)
+		}
+	}
+
+	if len(requireAuth) > 0 && requireAuth[0] {
+		handler = auth.RequireAuth(handler)
+	}
+	if methods == "" {
+		mux.ServeMux.HandleFunc(endpoint, handler)
+	} else {
+		for _, m := range strutils.CommaSeperatedList(methods) {
+			mux.ServeMux.HandleFunc(m+" "+endpoint, handler)
+		}
+	}
 }
 
-func (mux ServeMux) HandleFunc(method, endpoint string, handler http.HandlerFunc) {
+func NewHandler(cfg config.ConfigInstance) http.Handler {
-	mux.ServeMux.HandleFunc(fmt.Sprintf("%s %s", method, endpoint), checkHost(rateLimited(handler)))
+	mux := ServeMux{http.NewServeMux(), cfg}
-}
-
-func NewHandler() http.Handler {
-	mux := NewServeMux()
 	mux.HandleFunc("GET", "/v1", v1.Index)
-	mux.HandleFunc("GET", "/v1/version", v1.GetVersion)
+	mux.HandleFunc("GET", "/v1/version", pkg.GetVersionHTTPHandler())
-	mux.HandleFunc("POST", "/v1/login", auth.LoginHandler)
+
-	mux.HandleFunc("GET", "/v1/logout", auth.LogoutHandler)
+	mux.HandleFunc("GET", "/v1/stats", v1.Stats, true)
-	mux.HandleFunc("POST", "/v1/logout", auth.LogoutHandler)
+	mux.HandleFunc("POST", "/v1/reload", v1.Reload, true)
-	mux.HandleFunc("POST", "/v1/reload", v1.Reload)
+	mux.HandleFunc("GET", "/v1/list", v1.ListRoutesHandler, true)
-	mux.HandleFunc("GET", "/v1/list", auth.RequireAuth(v1.List))
+	mux.HandleFunc("GET", "/v1/list/routes", v1.ListRoutesHandler, true)
-	mux.HandleFunc("GET", "/v1/list/{what}", auth.RequireAuth(v1.List))
+	mux.HandleFunc("GET", "/v1/list/route/{which}", v1.ListRouteHandler, true)
-	mux.HandleFunc("GET", "/v1/list/{what}/{which}", auth.RequireAuth(v1.List))
+	mux.HandleFunc("GET", "/v1/list/routes_by_provider", v1.ListRoutesByProviderHandler, true)
-	mux.HandleFunc("GET", "/v1/file", auth.RequireAuth(v1.GetFileContent))
+	mux.HandleFunc("GET", "/v1/list/files", v1.ListFilesHandler, true)
-	mux.HandleFunc("GET", "/v1/file/{filename...}", auth.RequireAuth(v1.GetFileContent))
+	mux.HandleFunc("GET", "/v1/list/homepage_config", v1.ListHomepageConfigHandler, true)
-	mux.HandleFunc("POST", "/v1/file/{filename...}", auth.RequireAuth(v1.SetFileContent))
+	mux.HandleFunc("GET", "/v1/list/route_providers", v1.ListRouteProvidersHandler, true)
-	mux.HandleFunc("PUT", "/v1/file/{filename...}", auth.RequireAuth(v1.SetFileContent))
+	mux.HandleFunc("GET", "/v1/list/homepage_categories", v1.ListHomepageCategoriesHandler, true)
-	mux.HandleFunc("GET", "/v1/stats", v1.Stats)
+	mux.HandleFunc("GET", "/v1/list/icons", v1.ListIconsHandler, true)
-	mux.HandleFunc("GET", "/v1/stats/ws", v1.StatsWS)
+	mux.HandleFunc("GET", "/v1/file/{type}/{filename}", v1.GetFileContent, true)
+	mux.HandleFunc("POST,PUT", "/v1/file/{type}/{filename}", v1.SetFileContent, true)
+	mux.HandleFunc("POST", "/v1/file/validate/{type}", v1.ValidateFile, true)
+	mux.HandleFunc("GET", "/v1/health", v1.Health, true)
+	mux.HandleFunc("GET", "/v1/logs", memlogger.Handler(), true)
+	mux.HandleFunc("GET", "/v1/favicon", favicon.GetFavIcon, true)
+	mux.HandleFunc("POST", "/v1/homepage/set", v1.SetHomePageOverrides, true)
+	mux.HandleFunc("GET", "/v1/agents", v1.ListAgents, true)
+	mux.HandleFunc("GET", "/v1/agents/new", v1.NewAgent, true)
+	mux.HandleFunc("POST", "/v1/agents/verify", v1.VerifyNewAgent, true)
+	mux.HandleFunc("GET", "/v1/metrics/system_info", v1.SystemInfo, true)
+	mux.HandleFunc("GET", "/v1/metrics/uptime", uptime.Poller.ServeHTTP, true)
+	mux.HandleFunc("GET", "/v1/cert/info", certapi.GetCertInfo, true)
+	mux.HandleFunc("", "/v1/cert/renew", certapi.RenewCert, true)
+	mux.HandleFunc("GET", "/v1/docker/info", dockerapi.DockerInfo, true)
+	mux.HandleFunc("GET", "/v1/docker/logs/{server}/{container}", dockerapi.Logs, true)
+	mux.HandleFunc("GET", "/v1/docker/containers", dockerapi.Containers, true)
+
+	defaultAuth := auth.GetDefaultAuth()
+	if defaultAuth == nil {
+		return mux
+	}
+
+	mux.HandleFunc("GET", "/v1/auth/check", auth.AuthCheckHandler)
+	mux.HandleFunc("GET,POST", "/v1/auth/redirect", defaultAuth.LoginHandler)
+	mux.HandleFunc("GET,POST", "/v1/auth/callback", defaultAuth.PostAuthCallbackHandler)
+	mux.HandleFunc("GET,POST", "/v1/auth/logout", defaultAuth.LogoutHandler)
 	return mux
 }
-
-// allow only requests to API server with localhost.
-func checkHost(f http.HandlerFunc) http.HandlerFunc {
-	if common.IsDebug {
-		return f
-	}
-	return func(w http.ResponseWriter, r *http.Request) {
-		host, _, _ := net.SplitHostPort(r.RemoteAddr)
-		if host != "127.0.0.1" && host != "localhost" && host != "[::1]" {
-			LogWarn(r).Msgf("blocked API request from %s", host)
-			http.Error(w, "forbidden", http.StatusForbidden)
-			return
-		}
-		f(w, r)
-	}
-}
-
-func rateLimited(f http.HandlerFunc) http.HandlerFunc {
-	m, err := middleware.RateLimiter.WithOptionsClone(middleware.OptionsRaw{
-		"average": 10,
-		"burst":   10,
-	})
-	if err != nil {
-		logging.Fatal().Err(err).Msg("unable to create API rate limiter")
-	}
-	return func(w http.ResponseWriter, r *http.Request) {
-		m.ModifyRequest(f, w, r)
-	}
-}

internal/api/v1/agents.go

@@ -0,0 +1,24 @@
+package v1
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/coder/websocket"
+	"github.com/coder/websocket/wsjson"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+)
+
+func ListAgents(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	if httpheaders.IsWebsocket(r.Header) {
+		gpwebsocket.Periodic(w, r, 10*time.Second, func(conn *websocket.Conn) error {
+			wsjson.Write(r.Context(), conn, cfg.ListAgents())
+			return nil
+		})
+	} else {
+		gphttp.RespondJSON(w, r, cfg.ListAgents())
+	}
+}

internal/api/v1/auth/auth.go

@@ -1,135 +0,0 @@
-package auth
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"net/http"
-	"time"
-
-	"github.com/golang-jwt/jwt/v5"
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
-	"github.com/yusing/go-proxy/internal/common"
-	E "github.com/yusing/go-proxy/internal/error"
-	"github.com/yusing/go-proxy/internal/utils/strutils"
-)
-
-type (
-	Credentials struct {
-		Username string `json:"username"`
-		Password string `json:"password"`
-	}
-	Claims struct {
-		Username string `json:"username"`
-		jwt.RegisteredClaims
-	}
-)
-
-var (
-	ErrInvalidUsername = E.New("invalid username")
-	ErrInvalidPassword = E.New("invalid password")
-)
-
-func validatePassword(cred *Credentials) error {
-	if cred.Username != common.APIUser {
-		return ErrInvalidUsername.Subject(cred.Username)
-	}
-	if !bytes.Equal(common.HashPassword(cred.Password), common.APIPasswordHash) {
-		return ErrInvalidPassword.Subject(cred.Password)
-	}
-	return nil
-}
-
-func LoginHandler(w http.ResponseWriter, r *http.Request) {
-	var creds Credentials
-	err := json.NewDecoder(r.Body).Decode(&creds)
-	if err != nil {
-		U.HandleErr(w, r, err, http.StatusBadRequest)
-		return
-	}
-	if err := validatePassword(&creds); err != nil {
-		U.HandleErr(w, r, err, http.StatusUnauthorized)
-		return
-	}
-
-	expiresAt := time.Now().Add(common.APIJWTTokenTTL)
-	claim := &Claims{
-		Username: creds.Username,
-		RegisteredClaims: jwt.RegisteredClaims{
-			ExpiresAt: jwt.NewNumericDate(expiresAt),
-		},
-	}
-	token := jwt.NewWithClaims(jwt.SigningMethodHS512, claim)
-	tokenStr, err := token.SignedString(common.APIJWTSecret)
-	if err != nil {
-		U.HandleErr(w, r, err)
-		return
-	}
-	http.SetCookie(w, &http.Cookie{
-		Name:     "token",
-		Value:    tokenStr,
-		Expires:  expiresAt,
-		HttpOnly: true,
-		SameSite: http.SameSiteStrictMode,
-		Path:     "/",
-	})
-	w.WriteHeader(http.StatusOK)
-}
-
-func LogoutHandler(w http.ResponseWriter, r *http.Request) {
-	http.SetCookie(w, &http.Cookie{
-		Name:     "token",
-		Value:    "",
-		Expires:  time.Unix(0, 0),
-		HttpOnly: true,
-		SameSite: http.SameSiteStrictMode,
-		Path:     "/",
-	})
-	w.Header().Set("location", "/login")
-	w.WriteHeader(http.StatusTemporaryRedirect)
-}
-
-func RequireAuth(next http.HandlerFunc) http.HandlerFunc {
-	if common.IsDebugSkipAuth {
-		return next
-	}
-
-	return func(w http.ResponseWriter, r *http.Request) {
-		if checkToken(w, r) {
-			next(w, r)
-		}
-	}
-}
-
-func checkToken(w http.ResponseWriter, r *http.Request) (ok bool) {
-	tokenCookie, err := r.Cookie("token")
-	if err != nil {
-		U.HandleErr(w, r, E.PrependSubject("token", err), http.StatusUnauthorized)
-		return false
-	}
-	var claims Claims
-	token, err := jwt.ParseWithClaims(tokenCookie.Value, &claims, func(t *jwt.Token) (interface{}, error) {
-		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
-			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
-		}
-		return common.APIJWTSecret, nil
-	})
-
-	switch {
-	case err != nil:
-		break
-	case !token.Valid:
-		err = E.New("invalid token")
-	case claims.Username != common.APIUser:
-		err = E.New("username mismatch").Subject(claims.Username)
-	case claims.ExpiresAt.Before(time.Now()):
-		err = E.Errorf("token expired on %s", strutils.FormatTime(claims.ExpiresAt.Time))
-	}
-
-	if err != nil {
-		U.HandleErr(w, r, err, http.StatusForbidden)
-		return false
-	}
-
-	return true
-}

internal/api/v1/certapi/cert_info.go

@@ -0,0 +1,41 @@
+package certapi
+
+import (
+	"encoding/json"
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+)
+
+type CertInfo struct {
+	Subject        string   `json:"subject"`
+	Issuer         string   `json:"issuer"`
+	NotBefore      int64    `json:"not_before"`
+	NotAfter       int64    `json:"not_after"`
+	DNSNames       []string `json:"dns_names"`
+	EmailAddresses []string `json:"email_addresses"`
+}
+
+func GetCertInfo(w http.ResponseWriter, r *http.Request) {
+	autocert := config.GetInstance().AutoCertProvider()
+	if autocert == nil {
+		http.Error(w, "autocert is not enabled", http.StatusNotFound)
+		return
+	}
+
+	cert, err := autocert.GetCert(nil)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	certInfo := CertInfo{
+		Subject:        cert.Leaf.Subject.CommonName,
+		Issuer:         cert.Leaf.Issuer.CommonName,
+		NotBefore:      cert.Leaf.NotBefore.Unix(),
+		NotAfter:       cert.Leaf.NotAfter.Unix(),
+		DNSNames:       cert.Leaf.DNSNames,
+		EmailAddresses: cert.Leaf.EmailAddresses,
+	}
+	json.NewEncoder(w).Encode(&certInfo)
+}

internal/api/v1/certapi/renew.go

@@ -0,0 +1,56 @@
+package certapi
+
+import (
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/logging/memlogger"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+)
+
+func RenewCert(w http.ResponseWriter, r *http.Request) {
+	autocert := config.GetInstance().AutoCertProvider()
+	if autocert == nil {
+		http.Error(w, "autocert is not enabled", http.StatusNotFound)
+		return
+	}
+
+	conn, err := gpwebsocket.Initiate(w, r)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	//nolint:errcheck
+	defer conn.CloseNow()
+
+	logs, cancel := memlogger.Events()
+	defer cancel()
+
+	done := make(chan struct{})
+
+	go func() {
+		defer close(done)
+		err = autocert.ObtainCert()
+		if err != nil {
+			gperr.LogError("failed to obtain cert", err)
+			gpwebsocket.WriteText(r, conn, err.Error())
+		} else {
+			logging.Info().Msg("cert obtained successfully")
+		}
+	}()
+	for {
+		select {
+		case l := <-logs:
+			if err != nil {
+				return
+			}
+			if !gpwebsocket.WriteText(r, conn, string(l)) {
+				return
+			}
+		case <-done:
+			return
+		}
+	}
+}

internal/api/v1/config_file.go

@@ -0,0 +1,133 @@
+package v1
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/yusing/go-proxy/internal/common"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/middleware"
+	"github.com/yusing/go-proxy/internal/route/provider"
+)
+
+type FileType string
+
+const (
+	FileTypeConfig     FileType = "config"
+	FileTypeProvider   FileType = "provider"
+	FileTypeMiddleware FileType = "middleware"
+)
+
+func fileType(file string) FileType {
+	switch {
+	case strings.HasPrefix(path.Base(file), "config."):
+		return FileTypeConfig
+	case strings.HasPrefix(file, common.MiddlewareComposeBasePath):
+		return FileTypeMiddleware
+	}
+	return FileTypeProvider
+}
+
+func (t FileType) IsValid() bool {
+	switch t {
+	case FileTypeConfig, FileTypeProvider, FileTypeMiddleware:
+		return true
+	}
+	return false
+}
+
+func (t FileType) GetPath(filename string) string {
+	if t == FileTypeMiddleware {
+		return path.Join(common.MiddlewareComposeBasePath, filename)
+	}
+	return path.Join(common.ConfigBasePath, filename)
+}
+
+func getArgs(r *http.Request) (fileType FileType, filename string, err error) {
+	fileType = FileType(r.PathValue("type"))
+	if !fileType.IsValid() {
+		err = fmt.Errorf("invalid file type: %s", fileType)
+		return
+	}
+	filename = r.PathValue("filename")
+	if filename == "" {
+		err = fmt.Errorf("missing filename")
+	}
+	return
+}
+
+func GetFileContent(w http.ResponseWriter, r *http.Request) {
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	content, err := os.ReadFile(fileType.GetPath(filename))
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	gphttp.WriteBody(w, content)
+}
+
+func validateFile(fileType FileType, content []byte) gperr.Error {
+	switch fileType {
+	case FileTypeConfig:
+		return config.Validate(content)
+	case FileTypeMiddleware:
+		errs := gperr.NewBuilder("middleware errors")
+		middleware.BuildMiddlewaresFromYAML("", content, errs)
+		return errs.Error()
+	}
+	return provider.Validate(content)
+}
+
+func ValidateFile(w http.ResponseWriter, r *http.Request) {
+	fileType := FileType(r.PathValue("type"))
+	if !fileType.IsValid() {
+		gphttp.BadRequest(w, "invalid file type")
+		return
+	}
+	content, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	r.Body.Close()
+	if valErr := validateFile(fileType, content); valErr != nil {
+		gphttp.JSONError(w, valErr, http.StatusBadRequest)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}
+
+func SetFileContent(w http.ResponseWriter, r *http.Request) {
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	content, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	if valErr := validateFile(fileType, content); valErr != nil {
+		gphttp.JSONError(w, valErr, http.StatusBadRequest)
+		return
+	}
+
+	err = os.WriteFile(fileType.GetPath(filename), content, 0o644)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}

internal/api/v1/dockerapi/containers.go

@@ -0,0 +1,54 @@
+package dockerapi
+
+import (
+	"context"
+	"net/http"
+	"sort"
+
+	"github.com/docker/docker/api/types/container"
+	"github.com/yusing/go-proxy/internal/gperr"
+)
+
+type Container struct {
+	Server string `json:"server"`
+	Name   string `json:"name"`
+	ID     string `json:"id"`
+	Image  string `json:"image"`
+	State  string `json:"state"`
+}
+
+func Containers(w http.ResponseWriter, r *http.Request) {
+	serveHTTP[Container](w, r, GetContainers)
+}
+
+func GetContainers(ctx context.Context, dockerClients DockerClients) ([]Container, gperr.Error) {
+	errs := gperr.NewBuilder("failed to get containers")
+	containers := make([]Container, 0)
+	for server, dockerClient := range dockerClients {
+		conts, err := dockerClient.ContainerList(ctx, container.ListOptions{All: true})
+		if err != nil {
+			errs.Add(err)
+			continue
+		}
+		for _, cont := range conts {
+			containers = append(containers, Container{
+				Server: server,
+				Name:   cont.Names[0],
+				ID:     cont.ID,
+				Image:  cont.Image,
+				State:  cont.State,
+			})
+		}
+	}
+	sort.Slice(containers, func(i, j int) bool {
+		return containers[i].Name < containers[j].Name
+	})
+	if err := errs.Error(); err != nil {
+		gperr.LogError("failed to get containers", err)
+		if len(containers) == 0 {
+			return nil, err
+		}
+		return containers, nil
+	}
+	return containers, nil
+}

internal/api/v1/dockerapi/info.go

@@ -0,0 +1,56 @@
+package dockerapi
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"sort"
+
+	dockerSystem "github.com/docker/docker/api/types/system"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type dockerInfo dockerSystem.Info
+
+func (d *dockerInfo) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"name":    d.Name,
+		"version": d.ServerVersion,
+		"containers": map[string]int{
+			"total":   d.Containers,
+			"running": d.ContainersRunning,
+			"paused":  d.ContainersPaused,
+			"stopped": d.ContainersStopped,
+		},
+		"images": d.Images,
+		"n_cpu":  d.NCPU,
+		"memory": strutils.FormatByteSize(d.MemTotal),
+	})
+}
+
+func DockerInfo(w http.ResponseWriter, r *http.Request) {
+	serveHTTP[dockerInfo](w, r, GetDockerInfo)
+}
+
+func GetDockerInfo(ctx context.Context, dockerClients DockerClients) ([]dockerInfo, gperr.Error) {
+	errs := gperr.NewBuilder("failed to get docker info")
+	dockerInfos := make([]dockerInfo, len(dockerClients))
+
+	i := 0
+	for name, dockerClient := range dockerClients {
+		info, err := dockerClient.Info(ctx)
+		if err != nil {
+			errs.Add(err)
+			continue
+		}
+		info.Name = name
+		dockerInfos[i] = dockerInfo(info)
+		i++
+	}
+
+	sort.Slice(dockerInfos, func(i, j int) bool {
+		return dockerInfos[i].Name < dockerInfos[j].Name
+	})
+	return dockerInfos, errs.Error()
+}

internal/api/v1/dockerapi/logs.go

@@ -0,0 +1,69 @@
+package dockerapi
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/coder/websocket"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/pkg/stdcopy"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+)
+
+func Logs(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+	server := r.PathValue("server")
+	containerID := r.PathValue("container")
+	stdout, _ := strconv.ParseBool(query.Get("stdout"))
+	stderr, _ := strconv.ParseBool(query.Get("stderr"))
+	since := query.Get("from")
+	until := query.Get("to")
+	levels := query.Get("levels") // TODO: implement levels
+
+	dockerClient, found, err := getDockerClient(server)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	if !found {
+		gphttp.NotFound(w, "server not found")
+		return
+	}
+
+	opts := container.LogsOptions{
+		ShowStdout: stdout,
+		ShowStderr: stderr,
+		Since:      since,
+		Until:      until,
+		Timestamps: true,
+		Follow:     true,
+		Tail:       "100",
+	}
+	if levels != "" {
+		opts.Details = true
+	}
+
+	logs, err := dockerClient.ContainerLogs(r.Context(), containerID, opts)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	defer logs.Close()
+
+	conn, err := gpwebsocket.Initiate(w, r)
+	if err != nil {
+		return
+	}
+	defer conn.CloseNow()
+
+	writer := gpwebsocket.NewWriter(r.Context(), conn, websocket.MessageText)
+	_, err = stdcopy.StdCopy(writer, writer, logs) // de-multiplex logs
+	if err != nil {
+		logging.Err(err).
+			Str("server", server).
+			Str("container", containerID).
+			Msg("failed to de-multiplex logs")
+	}
+}

internal/api/v1/dockerapi/utils.go

@@ -0,0 +1,124 @@
+package dockerapi
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"github.com/coder/websocket"
+	"github.com/coder/websocket/wsjson"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/docker"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+)
+
+type (
+	DockerClients     map[string]*docker.SharedClient
+	ResultType[T any] interface {
+		map[string]T | []T
+	}
+)
+
+// getDockerClients returns a map of docker clients for the current config.
+//
+// Returns a map of docker clients by server name and an error if any.
+//
+// Even if there are errors, the map of docker clients might not be empty.
+func getDockerClients() (DockerClients, gperr.Error) {
+	cfg := config.GetInstance()
+
+	dockerHosts := cfg.Value().Providers.Docker
+	dockerClients := make(DockerClients)
+
+	connErrs := gperr.NewBuilder("failed to connect to docker")
+
+	for name, host := range dockerHosts {
+		dockerClient, err := docker.NewClient(host)
+		if err != nil {
+			connErrs.Add(err)
+			continue
+		}
+		dockerClients[name] = dockerClient
+	}
+
+	for _, agent := range cfg.ListAgents() {
+		dockerClient, err := docker.NewClient(agent.FakeDockerHost())
+		if err != nil {
+			connErrs.Add(err)
+			continue
+		}
+		dockerClients[agent.Name()] = dockerClient
+	}
+
+	return dockerClients, connErrs.Error()
+}
+
+func getDockerClient(server string) (*docker.SharedClient, bool, error) {
+	cfg := config.GetInstance()
+	var host string
+	for name, h := range cfg.Value().Providers.Docker {
+		if name == server {
+			host = h
+			break
+		}
+	}
+	for _, agent := range cfg.ListAgents() {
+		if agent.Name() == server {
+			host = agent.FakeDockerHost()
+			break
+		}
+	}
+	if host == "" {
+		return nil, false, nil
+	}
+	dockerClient, err := docker.NewClient(host)
+	if err != nil {
+		return nil, false, err
+	}
+	return dockerClient, true, nil
+}
+
+// closeAllClients closes all docker clients after a delay.
+//
+// This is used to ensure that all docker clients are closed after the http handler returns.
+func closeAllClients(dockerClients DockerClients) {
+	for _, dockerClient := range dockerClients {
+		dockerClient.Close()
+	}
+}
+
+func handleResult[V any, T ResultType[V]](w http.ResponseWriter, errs error, result T) {
+	if errs != nil {
+		gperr.LogError("docker errors", errs)
+		if len(result) == 0 {
+			http.Error(w, "docker errors", http.StatusInternalServerError)
+			return
+		}
+	}
+	json.NewEncoder(w).Encode(result) //nolint
+}
+
+func serveHTTP[V any, T ResultType[V]](w http.ResponseWriter, r *http.Request, getResult func(ctx context.Context, dockerClients DockerClients) (T, gperr.Error)) {
+	dockerClients, err := getDockerClients()
+	if err != nil {
+		handleResult[V, T](w, err, nil)
+		return
+	}
+	defer closeAllClients(dockerClients)
+
+	if httpheaders.IsWebsocket(r.Header) {
+		gpwebsocket.Periodic(w, r, 5*time.Second, func(conn *websocket.Conn) error {
+			result, err := getResult(r.Context(), dockerClients)
+			if err != nil {
+				return err
+			}
+			return wsjson.Write(r.Context(), conn, result)
+		})
+	} else {
+		result, err := getResult(r.Context(), dockerClients)
+		handleResult[V](w, err, result)
+	}
+}

internal/api/v1/favicon/favicon.go

@@ -0,0 +1,75 @@
+package favicon
+
+import (
+	"net/http"
+
+	"github.com/yusing/go-proxy/internal/homepage"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+// GetFavIcon returns the favicon of the route
+//
+// Returns:
+//   - 200 OK: if icon found
+//   - 400 Bad Request: if alias is empty or route is not HTTPRoute
+//   - 404 Not Found: if route or icon not found
+//   - 500 Internal Server Error: if internal error
+//   - others: depends on route handler response
+func GetFavIcon(w http.ResponseWriter, req *http.Request) {
+	url, alias := req.FormValue("url"), req.FormValue("alias")
+	if url == "" && alias == "" {
+		gphttp.MissingKey(w, "url or alias")
+		return
+	}
+	if url != "" && alias != "" {
+		gphttp.BadRequest(w, "url and alias are mutually exclusive")
+		return
+	}
+
+	// try with url
+	if url != "" {
+		var iconURL homepage.IconURL
+		if err := iconURL.Parse(url); err != nil {
+			gphttp.ClientError(w, req, err, http.StatusBadRequest)
+			return
+		}
+		fetchResult := homepage.FetchFavIconFromURL(req.Context(), &iconURL)
+		if !fetchResult.OK() {
+			http.Error(w, fetchResult.ErrMsg, fetchResult.StatusCode)
+			return
+		}
+		w.Header().Set("Content-Type", fetchResult.ContentType())
+		gphttp.WriteBody(w, fetchResult.Icon)
+		return
+	}
+
+	// try with route.Icon
+	r, ok := routes.HTTP.Get(alias)
+	if !ok {
+		gphttp.ValueNotFound(w, "route", alias)
+		return
+	}
+
+	var result *homepage.FetchResult
+	hp := r.HomepageItem()
+	if hp.Icon != nil {
+		if hp.Icon.IconSource == homepage.IconSourceRelative {
+			result = homepage.FindIcon(req.Context(), r, *hp.Icon.FullURL)
+		} else {
+			result = homepage.FetchFavIconFromURL(req.Context(), hp.Icon)
+		}
+	} else {
+		// try extract from "link[rel=icon]"
+		result = homepage.FindIcon(req.Context(), r, "/")
+	}
+	if result.StatusCode == 0 {
+		result.StatusCode = http.StatusOK
+	}
+	if !result.OK() {
+		http.Error(w, result.ErrMsg, result.StatusCode)
+		return
+	}
+	w.Header().Set("Content-Type", result.ContentType())
+	gphttp.WriteBody(w, result.Icon)
+}

internal/api/v1/file.go

@@ -1,61 +0,0 @@
-package v1
-
-import (
-	"io"
-	"net/http"
-	"os"
-	"path"
-	"strings"
-
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
-	"github.com/yusing/go-proxy/internal/common"
-	"github.com/yusing/go-proxy/internal/config"
-	E "github.com/yusing/go-proxy/internal/error"
-	"github.com/yusing/go-proxy/internal/route/provider"
-)
-
-func GetFileContent(w http.ResponseWriter, r *http.Request) {
-	filename := r.PathValue("filename")
-	if filename == "" {
-		filename = common.ConfigFileName
-	}
-	content, err := os.ReadFile(path.Join(common.ConfigBasePath, filename))
-	if err != nil {
-		U.HandleErr(w, r, err)
-		return
-	}
-	U.WriteBody(w, content)
-}
-
-func SetFileContent(w http.ResponseWriter, r *http.Request) {
-	filename := r.PathValue("filename")
-	if filename == "" {
-		U.HandleErr(w, r, U.ErrMissingKey("filename"), http.StatusBadRequest)
-		return
-	}
-	content, err := io.ReadAll(r.Body)
-	if err != nil {
-		U.HandleErr(w, r, err)
-		return
-	}
-
-	var valErr E.Error
-	if filename == common.ConfigFileName {
-		valErr = config.Validate(content)
-	} else if !strings.HasPrefix(filename, path.Base(common.MiddlewareComposeBasePath)) {
-		valErr = provider.Validate(content)
-	}
-	// no validation for include files
-
-	if valErr != nil {
-		U.RespondJSON(w, r, valErr, http.StatusBadRequest)
-		return
-	}
-
-	err = os.WriteFile(path.Join(common.ConfigBasePath, filename), content, 0o644)
-	if err != nil {
-		U.HandleErr(w, r, err)
-		return
-	}
-	w.WriteHeader(http.StatusOK)
-}

internal/api/v1/health.go

@@ -0,0 +1,23 @@
+package v1
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/coder/websocket"
+	"github.com/coder/websocket/wsjson"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func Health(w http.ResponseWriter, r *http.Request) {
+	if httpheaders.IsWebsocket(r.Header) {
+		gpwebsocket.Periodic(w, r, 1*time.Second, func(conn *websocket.Conn) error {
+			return wsjson.Write(r.Context(), conn, routes.HealthMap())
+		})
+	} else {
+		gphttp.RespondJSON(w, r, routes.HealthMap())
+	}
+}

internal/api/v1/homepage_overrides.go

@@ -0,0 +1,90 @@
+package v1
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/yusing/go-proxy/internal/homepage"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+)
+
+const (
+	HomepageOverrideItem          = "item"
+	HomepageOverrideItemsBatch    = "items_batch"
+	HomepageOverrideCategoryOrder = "category_order"
+	HomepageOverrideItemVisible   = "item_visible"
+)
+
+type (
+	HomepageOverrideItemParams struct {
+		Which string              `json:"which"`
+		Value homepage.ItemConfig `json:"value"`
+	}
+	HomepageOverrideItemsBatchParams struct {
+		Value map[string]*homepage.ItemConfig `json:"value"`
+	}
+	HomepageOverrideCategoryOrderParams struct {
+		Which string `json:"which"`
+		Value int    `json:"value"`
+	}
+	HomepageOverrideItemVisibleParams struct {
+		Which []string `json:"which"`
+		Value bool     `json:"value"`
+	}
+)
+
+func SetHomePageOverrides(w http.ResponseWriter, r *http.Request) {
+	what := r.FormValue("what")
+	if what == "" {
+		gphttp.BadRequest(w, "missing what or which")
+		return
+	}
+
+	data, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ClientError(w, r, err, http.StatusBadRequest)
+		return
+	}
+	r.Body.Close()
+
+	overrides := homepage.GetOverrideConfig()
+	switch what {
+	case HomepageOverrideItem:
+		var params HomepageOverrideItemParams
+		if err := json.Unmarshal(data, &params); err != nil {
+			gphttp.ClientError(w, r, err, http.StatusBadRequest)
+			return
+		}
+		overrides.OverrideItem(params.Which, &params.Value)
+	case HomepageOverrideItemsBatch:
+		var params HomepageOverrideItemsBatchParams
+		if err := json.Unmarshal(data, &params); err != nil {
+			gphttp.ClientError(w, r, err, http.StatusBadRequest)
+			return
+		}
+		overrides.OverrideItems(params.Value)
+	case HomepageOverrideItemVisible: // POST /v1/item_visible [a,b,c], false => hide a, b, c
+		var params HomepageOverrideItemVisibleParams
+		if err := json.Unmarshal(data, &params); err != nil {
+			gphttp.ClientError(w, r, err, http.StatusBadRequest)
+			return
+		}
+		if params.Value {
+			overrides.UnhideItems(params.Which)
+		} else {
+			overrides.HideItems(params.Which)
+		}
+	case HomepageOverrideCategoryOrder:
+		var params HomepageOverrideCategoryOrderParams
+		if err := json.Unmarshal(data, &params); err != nil {
+			gphttp.ClientError(w, r, err, http.StatusBadRequest)
+			return
+		}
+		overrides.SetCategoryOrder(params.Which, params.Value)
+	default:
+		http.Error(w, "invalid what", http.StatusBadRequest)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}

internal/api/v1/index.go

@@ -3,9 +3,9 @@ package v1
 import (
 	"net/http"
 
-	. "github.com/yusing/go-proxy/internal/api/v1/utils"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
 )
 
 func Index(w http.ResponseWriter, r *http.Request) {
-	WriteBody(w, []byte("API ready"))
+	gphttp.WriteBody(w, []byte("API ready"))
 }

internal/api/v1/list.go

@@ -1,86 +0,0 @@
-package v1
-
-import (
-	"net/http"
-	"strings"
-
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
-	"github.com/yusing/go-proxy/internal/common"
-	"github.com/yusing/go-proxy/internal/config"
-	"github.com/yusing/go-proxy/internal/net/http/middleware"
-	"github.com/yusing/go-proxy/internal/route"
-	"github.com/yusing/go-proxy/internal/task"
-	"github.com/yusing/go-proxy/internal/utils"
-)
-
-const (
-	ListRoute            = "route"
-	ListRoutes           = "routes"
-	ListConfigFiles      = "config_files"
-	ListMiddlewares      = "middlewares"
-	ListMiddlewareTraces = "middleware_trace"
-	ListMatchDomains     = "match_domains"
-	ListHomepageConfig   = "homepage_config"
-	ListTasks            = "tasks"
-)
-
-func List(w http.ResponseWriter, r *http.Request) {
-	what := r.PathValue("what")
-	if what == "" {
-		what = ListRoutes
-	}
-	which := r.PathValue("which")
-
-	switch what {
-	case ListRoute:
-		if route := listRoute(which); route == nil {
-			http.Error(w, "not found", http.StatusNotFound)
-			return
-		} else {
-			U.RespondJSON(w, r, route)
-		}
-	case ListRoutes:
-		U.RespondJSON(w, r, config.RoutesByAlias(route.RouteType(r.FormValue("type"))))
-	case ListConfigFiles:
-		listConfigFiles(w, r)
-	case ListMiddlewares:
-		U.RespondJSON(w, r, middleware.All())
-	case ListMiddlewareTraces:
-		U.RespondJSON(w, r, middleware.GetAllTrace())
-	case ListMatchDomains:
-		U.RespondJSON(w, r, config.Value().MatchDomains)
-	case ListHomepageConfig:
-		U.RespondJSON(w, r, config.HomepageConfig())
-	case ListTasks:
-		U.RespondJSON(w, r, task.DebugTaskMap())
-	default:
-		U.HandleErr(w, r, U.ErrInvalidKey("what"), http.StatusBadRequest)
-	}
-}
-
-func listRoute(which string) any {
-	if which == "" {
-		which = "all"
-	}
-	if which == "all" {
-		return config.RoutesByAlias()
-	}
-	routes := config.RoutesByAlias()
-	route, ok := routes[which]
-	if !ok {
-		return nil
-	}
-	return route
-}
-
-func listConfigFiles(w http.ResponseWriter, r *http.Request) {
-	files, err := utils.ListFiles(common.ConfigBasePath, 1)
-	if err != nil {
-		U.HandleErr(w, r, err)
-		return
-	}
-	for i := range files {
-		files[i] = strings.TrimPrefix(files[i], common.ConfigBasePath+"/")
-	}
-	U.RespondJSON(w, r, files)
-}

internal/api/v1/list_files.go

@@ -0,0 +1,41 @@
+package v1
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/yusing/go-proxy/internal/common"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/utils"
+)
+
+func ListFilesHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	files, err := utils.ListFiles(common.ConfigBasePath, 0, true)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	resp := map[FileType][]string{
+		FileTypeConfig:     make([]string, 0),
+		FileTypeProvider:   make([]string, 0),
+		FileTypeMiddleware: make([]string, 0),
+	}
+
+	for _, file := range files {
+		t := fileType(file)
+		file = strings.TrimPrefix(file, common.ConfigBasePath+"/")
+		resp[t] = append(resp[t], file)
+	}
+
+	mids, err := utils.ListFiles(common.MiddlewareComposeBasePath, 0, true)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	for _, mid := range mids {
+		mid = strings.TrimPrefix(mid, common.MiddlewareComposeBasePath+"/")
+		resp[FileTypeMiddleware] = append(resp[FileTypeMiddleware], mid)
+	}
+	gphttp.RespondJSON(w, r, resp)
+}

internal/api/v1/list_homepage_categories.go

@@ -0,0 +1,13 @@
+package v1
+
+import (
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func ListHomepageCategoriesHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	gphttp.RespondJSON(w, r, routes.HomepageCategories())
+}

internal/api/v1/list_homepage_config.go

@@ -0,0 +1,13 @@
+package v1
+
+import (
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func ListHomepageConfigHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	gphttp.RespondJSON(w, r, routes.HomepageConfig(r.FormValue("category"), r.FormValue("provider")))
+}

internal/api/v1/list_icons.go

@@ -0,0 +1,23 @@
+package v1
+
+import (
+	"net/http"
+	"strconv"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/homepage"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+)
+
+func ListIconsHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	limit, err := strconv.Atoi(r.FormValue("limit"))
+	if err != nil {
+		limit = 0
+	}
+	icons, err := homepage.SearchIcons(r.FormValue("keyword"), limit)
+	if err != nil {
+		gphttp.ClientError(w, r, err)
+		return
+	}
+	gphttp.RespondJSON(w, r, icons)
+}

internal/api/v1/list_route.go

@@ -0,0 +1,19 @@
+package v1
+
+import (
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func ListRouteHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	which := r.PathValue("which")
+	route, ok := routes.Get(which)
+	if ok {
+		gphttp.RespondJSON(w, r, route)
+	} else {
+		gphttp.RespondJSON(w, r, nil)
+	}
+}

internal/api/v1/list_route_providers.go

@@ -0,0 +1,23 @@
+package v1
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/coder/websocket"
+	"github.com/coder/websocket/wsjson"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+)
+
+func ListRouteProvidersHandler(cfgInstance config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	if httpheaders.IsWebsocket(r.Header) {
+		gpwebsocket.Periodic(w, r, 5*time.Second, func(conn *websocket.Conn) error {
+			return wsjson.Write(r.Context(), conn, cfgInstance.RouteProviderList())
+		})
+	} else {
+		gphttp.RespondJSON(w, r, cfgInstance.RouteProviderList())
+	}
+}

internal/api/v1/list_routes.go

@@ -0,0 +1,25 @@
+package v1
+
+import (
+	"net/http"
+	"slices"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func ListRoutesHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	rts := make([]routes.Route, 0)
+	provider := r.FormValue("provider")
+	if provider == "" {
+		gphttp.RespondJSON(w, r, slices.Collect(routes.Iter))
+		return
+	}
+	for r := range routes.Iter {
+		if r.ProviderName() == provider {
+			rts = append(rts, r)
+		}
+	}
+	gphttp.RespondJSON(w, r, rts)
+}

internal/api/v1/list_routes_by_provider.go

@@ -0,0 +1,13 @@
+package v1
+
+import (
+	"net/http"
+
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func ListRoutesByProviderHandler(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	gphttp.RespondJSON(w, r, routes.ByProvider())
+}

internal/api/v1/new_agent.go

@@ -0,0 +1,141 @@
+package v1
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"strconv"
+
+	_ "embed"
+
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/certs"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+)
+
+func NewAgent(w http.ResponseWriter, r *http.Request) {
+	q := r.URL.Query()
+	name := q.Get("name")
+	if name == "" {
+		gphttp.MissingKey(w, "name")
+		return
+	}
+	host := q.Get("host")
+	if host == "" {
+		gphttp.MissingKey(w, "host")
+		return
+	}
+	portStr := q.Get("port")
+	if portStr == "" {
+		gphttp.MissingKey(w, "port")
+		return
+	}
+	port, err := strconv.Atoi(portStr)
+	if err != nil || port < 1 || port > 65535 {
+		gphttp.InvalidKey(w, "port")
+		return
+	}
+	hostport := fmt.Sprintf("%s:%d", host, port)
+	if _, ok := config.GetInstance().GetAgent(hostport); ok {
+		gphttp.KeyAlreadyExists(w, "agent", hostport)
+		return
+	}
+	t := q.Get("type")
+	switch t {
+	case "docker", "system":
+		break
+	case "":
+		gphttp.MissingKey(w, "type")
+		return
+	default:
+		gphttp.InvalidKey(w, "type")
+		return
+	}
+
+	nightly, _ := strconv.ParseBool(q.Get("nightly"))
+	var image string
+	if nightly {
+		image = agent.DockerImageNightly
+	} else {
+		image = agent.DockerImageProduction
+	}
+
+	ca, srv, client, err := agent.NewAgent()
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	var cfg agent.Generator = &agent.AgentEnvConfig{
+		Name:    name,
+		Port:    port,
+		CACert:  ca.String(),
+		SSLCert: srv.String(),
+	}
+	if t == "docker" {
+		cfg = &agent.AgentComposeConfig{
+			Image:          image,
+			AgentEnvConfig: cfg.(*agent.AgentEnvConfig),
+		}
+	}
+	template, err := cfg.Generate()
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	gphttp.RespondJSON(w, r, map[string]any{
+		"compose": template,
+		"ca":      ca,
+		"client":  client,
+	})
+}
+
+func VerifyNewAgent(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+	clientPEMData, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	var data struct {
+		Host   string        `json:"host"`
+		CA     agent.PEMPair `json:"ca"`
+		Client agent.PEMPair `json:"client"`
+	}
+
+	if err := json.Unmarshal(clientPEMData, &data); err != nil {
+		gphttp.ClientError(w, r, err)
+		return
+	}
+
+	nRoutesAdded, err := config.GetInstance().VerifyNewAgent(data.Host, data.CA, data.Client)
+	if err != nil {
+		gphttp.ClientError(w, r, err)
+		return
+	}
+
+	zip, err := certs.ZipCert(data.CA.Cert, data.Client.Cert, data.Client.Key)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	filename, ok := certs.AgentCertsFilepath(data.Host)
+	if !ok {
+		gphttp.InvalidKey(w, "host")
+		return
+	}
+
+	if err := os.WriteFile(filename, zip, 0600); err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+	w.Write(fmt.Appendf(nil, "Added %d routes", nRoutesAdded))
+}

internal/api/v1/query/query.go

@@ -1,64 +0,0 @@
-package query
-
-import (
-	"encoding/json"
-	"fmt"
-	"io"
-	"net/http"
-
-	v1 "github.com/yusing/go-proxy/internal/api/v1"
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
-	"github.com/yusing/go-proxy/internal/common"
-	E "github.com/yusing/go-proxy/internal/error"
-	"github.com/yusing/go-proxy/internal/net/http/middleware"
-)
-
-func ReloadServer() E.Error {
-	resp, err := U.Post(common.APIHTTPURL+"/v1/reload", "", nil)
-	if err != nil {
-		return E.From(err)
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		failure := E.Errorf("server reload status %v", resp.StatusCode)
-		body, err := io.ReadAll(resp.Body)
-		if err != nil {
-			return failure.With(err)
-		}
-		reloadErr := string(body)
-		return failure.Withf(reloadErr)
-	}
-	return nil
-}
-
-func List[T any](what string) (_ T, outErr E.Error) {
-	resp, err := U.Get(fmt.Sprintf("%s/v1/list/%s", common.APIHTTPURL, what))
-	if err != nil {
-		outErr = E.From(err)
-		return
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		outErr = E.Errorf("list %s: failed, status %v", what, resp.StatusCode)
-		return
-	}
-	var res T
-	err = json.NewDecoder(resp.Body).Decode(&res)
-	if err != nil {
-		outErr = E.From(err)
-		return
-	}
-	return res, nil
-}
-
-func ListRoutes() (map[string]map[string]any, E.Error) {
-	return List[map[string]map[string]any](v1.ListRoutes)
-}
-
-func ListMiddlewareTraces() (middleware.Traces, E.Error) {
-	return List[middleware.Traces](v1.ListMiddlewareTraces)
-}
-
-func DebugListTasks() (map[string]any, E.Error) {
-	return List[map[string]any](v1.ListTasks)
-}

internal/api/v1/reload.go

@@ -3,14 +3,14 @@ package v1
 import (
 	"net/http"
 
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
+	config "github.com/yusing/go-proxy/internal/config/types"
-	"github.com/yusing/go-proxy/internal/config"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
 )
 
-func Reload(w http.ResponseWriter, r *http.Request) {
+func Reload(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
-	if err := config.Reload(); err != nil {
+	if err := cfg.Reload(); err != nil {
-		U.HandleErr(w, r, err)
+		gphttp.ServerError(w, r, err)
 		return
 	}
-	U.WriteBody(w, []byte("OK"))
+	gphttp.WriteBody(w, []byte("OK"))
 }

internal/api/v1/stats.go

@@ -1,70 +1,33 @@
 package v1
 
 import (
-	"context"
 	"net/http"
 	"time"
 
 	"github.com/coder/websocket"
 	"github.com/coder/websocket/wsjson"
-	U "github.com/yusing/go-proxy/internal/api/v1/utils"
+	config "github.com/yusing/go-proxy/internal/config/types"
-	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
-	"github.com/yusing/go-proxy/internal/config"
+	"github.com/yusing/go-proxy/internal/net/gphttp/gpwebsocket"
-	"github.com/yusing/go-proxy/internal/server"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
-func Stats(w http.ResponseWriter, r *http.Request) {
+func Stats(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
-	U.RespondJSON(w, r, getStats())
+	if httpheaders.IsWebsocket(r.Header) {
-}
+		gpwebsocket.Periodic(w, r, 1*time.Second, func(conn *websocket.Conn) error {
-
+			return wsjson.Write(r.Context(), conn, getStats(cfg))
-func StatsWS(w http.ResponseWriter, r *http.Request) {
+		})
-	var originPats []string
-
-	localAddresses := []string{"127.0.0.1", "10.0.*.*", "172.16.*.*", "192.168.*.*"}
-
-	if len(config.Value().MatchDomains) == 0 {
-		U.LogWarn(r).Msg("no match domains configured, accepting websocket API request from all origins")
-		originPats = []string{"*"}
 	} else {
-		originPats = make([]string, len(config.Value().MatchDomains))
+		gphttp.RespondJSON(w, r, getStats(cfg))
-		for i, domain := range config.Value().MatchDomains {
-			originPats[i] = "*" + domain
-		}
-		originPats = append(originPats, localAddresses...)
-	}
-	U.LogInfo(r).Msgf("websocket API request from origins: %s", originPats)
-	if common.IsDebug {
-		originPats = []string{"*"}
-	}
-	conn, err := websocket.Accept(w, r, &websocket.AcceptOptions{
-		OriginPatterns: originPats,
-	})
-	if err != nil {
-		U.LogError(r).Err(err).Msg("failed to upgrade websocket")
-		return
-	}
-	/* trunk-ignore(golangci-lint/errcheck) */
-	defer conn.CloseNow()
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	ticker := time.NewTicker(1 * time.Second)
-	defer ticker.Stop()
-
-	for range ticker.C {
-		stats := getStats()
-		if err := wsjson.Write(ctx, conn, stats); err != nil {
-			U.LogError(r).Msg("failed to write JSON")
-			return
-		}
 	}
 }
 
-func getStats() map[string]any {
+var startTime = time.Now()
+
+func getStats(cfg config.ConfigInstance) map[string]any {
 	return map[string]any{
-		"proxies": config.Statistics(),
+		"proxies": cfg.Statistics(),
-		"uptime":  strutils.FormatDuration(server.GetProxyServer().Uptime()),
+		"uptime":  strutils.FormatDuration(time.Since(startTime)),
 	}
 }

internal/api/v1/system_info.go

@@ -0,0 +1,54 @@
+package v1
+
+import (
+	"net/http"
+
+	agentPkg "github.com/yusing/go-proxy/agent/pkg/agent"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/metrics/systeminfo"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+	"github.com/yusing/go-proxy/internal/net/gphttp/reverseproxy"
+	"github.com/yusing/go-proxy/internal/net/types"
+)
+
+func SystemInfo(cfg config.ConfigInstance, w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+	agentAddr := query.Get("agent_addr")
+	query.Del("agent_addr")
+	if agentAddr == "" {
+		systeminfo.Poller.ServeHTTP(w, r)
+		return
+	}
+
+	agent, ok := cfg.GetAgent(agentAddr)
+	if !ok {
+		gphttp.NotFound(w, "agent_addr")
+		return
+	}
+
+	isWS := httpheaders.IsWebsocket(r.Header)
+	if !isWS {
+		respData, status, err := agent.Forward(r, agentPkg.EndpointSystemInfo)
+		if err != nil {
+			gphttp.ServerError(w, r, gperr.Wrap(err, "failed to forward request to agent"))
+			return
+		}
+		if status != http.StatusOK {
+			http.Error(w, string(respData), status)
+			return
+		}
+		gphttp.WriteBody(w, respData)
+	} else {
+		rp := reverseproxy.NewReverseProxy("agent", types.NewURL(agentPkg.AgentURL), agent.Transport())
+		header := r.Header.Clone()
+		r, err := http.NewRequestWithContext(r.Context(), r.Method, agentPkg.EndpointSystemInfo+"?"+query.Encode(), nil)
+		if err != nil {
+			gphttp.ServerError(w, r, gperr.Wrap(err, "failed to create request"))
+			return
+		}
+		r.Header = header
+		rp.ServeHTTP(w, r)
+	}
+}

internal/api/v1/utils/error.go

@@ -1,36 +0,0 @@
-package utils
-
-import (
-	"net/http"
-
-	E "github.com/yusing/go-proxy/internal/error"
-)
-
-// HandleErr logs the error and returns an HTTP error response to the client.
-// If code is specified, it will be used as the HTTP status code; otherwise,
-// http.StatusInternalServerError is used.
-//
-// The error is only logged but not returned to the client.
-func HandleErr(w http.ResponseWriter, r *http.Request, origErr error, code ...int) {
-	if origErr == nil {
-		return
-	}
-	LogError(r).Msg(origErr.Error())
-	statusCode := http.StatusInternalServerError
-	if len(code) > 0 {
-		statusCode = code[0]
-	}
-	http.Error(w, http.StatusText(statusCode), statusCode)
-}
-
-func ErrMissingKey(k string) error {
-	return E.New("missing key '" + k + "' in query or request body")
-}
-
-func ErrInvalidKey(k string) error {
-	return E.New("invalid key '" + k + "' in query or request body")
-}
-
-func ErrNotFound(k, v string) error {
-	return E.Errorf("key %q with value %q not found", k, v)
-}

internal/api/v1/version.go

@@ -1,12 +0,0 @@
-package v1
-
-import (
-	"net/http"
-
-	. "github.com/yusing/go-proxy/internal/api/v1/utils"
-	"github.com/yusing/go-proxy/pkg"
-)
-
-func GetVersion(w http.ResponseWriter, r *http.Request) {
-	WriteBody(w, []byte(pkg.GetVersion()))
-}

internal/auth/auth.go

@@ -0,0 +1,73 @@
+package auth
+
+import (
+	"net/http"
+
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+)
+
+var defaultAuth Provider
+
+// Initialize sets up authentication providers.
+func Initialize() error {
+	if !IsEnabled() {
+		return nil
+	}
+
+	var err error
+	// Initialize OIDC if configured.
+	if common.OIDCIssuerURL != "" {
+		defaultAuth, err = NewOIDCProviderFromEnv()
+	} else {
+		defaultAuth, err = NewUserPassAuthFromEnv()
+	}
+
+	return err
+}
+
+func GetDefaultAuth() Provider {
+	return defaultAuth
+}
+
+func IsEnabled() bool {
+	return !common.DebugDisableAuth && (common.APIJWTSecret != nil || IsOIDCEnabled())
+}
+
+func IsOIDCEnabled() bool {
+	return common.OIDCIssuerURL != ""
+}
+
+type nextHandler struct{}
+
+var nextHandlerContextKey = nextHandler{}
+
+func RequireAuth(next http.HandlerFunc) http.HandlerFunc {
+	if !IsEnabled() {
+		return next
+	}
+	return func(w http.ResponseWriter, r *http.Request) {
+		if err := defaultAuth.CheckToken(r); err != nil {
+			gphttp.Unauthorized(w, err.Error())
+			return
+		}
+		next(w, r)
+	}
+}
+
+func ProceedNext(w http.ResponseWriter, r *http.Request) {
+	next, ok := r.Context().Value(nextHandlerContextKey).(http.HandlerFunc)
+	if ok {
+		next(w, r)
+	} else {
+		w.WriteHeader(http.StatusOK)
+	}
+}
+
+func AuthCheckHandler(w http.ResponseWriter, r *http.Request) {
+	if err := defaultAuth.CheckToken(r); err != nil {
+		defaultAuth.LoginHandler(w, r)
+	} else {
+		w.WriteHeader(http.StatusOK)
+	}
+}

internal/auth/block_page.go

@@ -0,0 +1,22 @@
+package auth
+
+import (
+	"html/template"
+	"net/http"
+
+	_ "embed"
+)
+
+//go:embed block_page.html
+var blockPageHTML string
+
+var blockPageTemplate = template.Must(template.New("block_page").Parse(blockPageHTML))
+
+func WriteBlockPage(w http.ResponseWriter, status int, error string, logoutURL string) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	blockPageTemplate.Execute(w, map[string]string{
+		"StatusText": http.StatusText(status),
+		"Error":      error,
+		"LogoutURL":  logoutURL,
+	})
+}

internal/auth/block_page.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <title>Access Denied</title>
+</head>
+<body>
+    <h1>{{.StatusText}}</h1>
+    <p>{{.Error}}</p>
+    <a href="{{.LogoutURL}}">Logout</a>
+</body>
+</html>

internal/auth/oauth_refresh.go

@@ -0,0 +1,221 @@
+package auth
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/jsonstore"
+	"github.com/yusing/go-proxy/internal/logging"
+	"golang.org/x/oauth2"
+)
+
+type oauthRefreshToken struct {
+	Username     string    `json:"username"`
+	RefreshToken string    `json:"refresh_token"`
+	Expiry       time.Time `json:"expiry"`
+
+	result *RefreshResult
+	err    error
+	mu     sync.Mutex
+}
+
+type Session struct {
+	SessionID sessionID `json:"session_id"`
+	Username  string    `json:"username"`
+	Groups    []string  `json:"groups"`
+}
+
+type RefreshResult struct {
+	newSession Session
+	jwt        string
+	jwtExpiry  time.Time
+}
+
+type sessionClaims struct {
+	Session
+	jwt.RegisteredClaims
+}
+
+type sessionID string
+
+var oauthRefreshTokens jsonstore.MapStore[*oauthRefreshToken]
+
+var (
+	defaultRefreshTokenExpiry = 30 * 24 * time.Hour // 1 month
+	sessionInvalidateDelay    = 3 * time.Second
+)
+
+var (
+	errNoRefreshToken      = errors.New("no refresh token")
+	ErrRefreshTokenFailure = errors.New("failed to refresh token")
+)
+
+const sessionTokenIssuer = "GoDoxy"
+
+func init() {
+	if IsOIDCEnabled() {
+		oauthRefreshTokens = jsonstore.Store[*oauthRefreshToken]("oauth_refresh_tokens")
+	}
+}
+
+func (token *oauthRefreshToken) expired() bool {
+	return time.Now().After(token.Expiry)
+}
+
+func newSessionID() sessionID {
+	b := make([]byte, 32)
+	_, _ = rand.Read(b)
+	return sessionID(hex.EncodeToString(b))
+}
+
+func newSession(username string, groups []string) Session {
+	return Session{
+		SessionID: newSessionID(),
+		Username:  username,
+		Groups:    groups,
+	}
+}
+
+// getOAuthRefreshToken returns the refresh token for the given session.
+func getOAuthRefreshToken(claims *Session) (*oauthRefreshToken, bool) {
+	token, ok := oauthRefreshTokens.Load(string(claims.SessionID))
+	if !ok {
+		return nil, false
+	}
+
+	if token.expired() {
+		invalidateOAuthRefreshToken(claims.SessionID)
+		return nil, false
+	}
+
+	if claims.Username != token.Username {
+		return nil, false
+	}
+	return token, true
+}
+
+func storeOAuthRefreshToken(sessionID sessionID, username, token string) {
+	oauthRefreshTokens.Store(string(sessionID), &oauthRefreshToken{
+		Username:     username,
+		RefreshToken: token,
+		Expiry:       time.Now().Add(defaultRefreshTokenExpiry),
+	})
+	logging.Debug().Str("username", username).Msg("stored oauth refresh token")
+}
+
+func invalidateOAuthRefreshToken(sessionID sessionID) {
+	logging.Debug().Str("session_id", string(sessionID)).Msg("invalidating oauth refresh token")
+	oauthRefreshTokens.Delete(string(sessionID))
+}
+
+func (auth *OIDCProvider) setSessionTokenCookie(w http.ResponseWriter, r *http.Request, session Session) {
+	claims := &sessionClaims{
+		Session: session,
+		RegisteredClaims: jwt.RegisteredClaims{
+			Issuer:    sessionTokenIssuer,
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(common.APIJWTTokenTTL)),
+		},
+	}
+	jwtToken := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
+	signed, err := jwtToken.SignedString(common.APIJWTSecret)
+	if err != nil {
+		logging.Err(err).Msg("failed to sign session token")
+		return
+	}
+	SetTokenCookie(w, r, CookieOauthSessionToken, signed, common.APIJWTTokenTTL)
+}
+
+func (auth *OIDCProvider) parseSessionJWT(sessionJWT string) (claims *sessionClaims, valid bool, err error) {
+	claims = &sessionClaims{}
+	sessionToken, err := jwt.ParseWithClaims(sessionJWT, claims, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
+		}
+		return common.APIJWTSecret, nil
+	})
+	if err != nil {
+		return nil, false, err
+	}
+	return claims, sessionToken.Valid && claims.Issuer == sessionTokenIssuer, nil
+}
+
+func (auth *OIDCProvider) TryRefreshToken(ctx context.Context, sessionJWT string) (*RefreshResult, error) {
+	// verify the session cookie
+	claims, valid, err := auth.parseSessionJWT(sessionJWT)
+	if err != nil {
+		return nil, fmt.Errorf("session: %s - %w: %w", claims.SessionID, ErrInvalidSessionToken, err)
+	}
+	if !valid {
+		return nil, ErrInvalidSessionToken
+	}
+
+	// check if refresh is possible
+	refreshToken, ok := getOAuthRefreshToken(&claims.Session)
+	if !ok {
+		return nil, errNoRefreshToken
+	}
+
+	if !auth.checkAllowed(claims.Username, claims.Groups) {
+		return nil, ErrUserNotAllowed
+	}
+
+	return auth.doRefreshToken(ctx, refreshToken, &claims.Session)
+}
+
+func (auth *OIDCProvider) doRefreshToken(ctx context.Context, refreshToken *oauthRefreshToken, claims *Session) (*RefreshResult, error) {
+	refreshToken.mu.Lock()
+	defer refreshToken.mu.Unlock()
+
+	// already refreshed
+	// this must be called after refresh but before invalidate
+	if refreshToken.result != nil || refreshToken.err != nil {
+		return refreshToken.result, refreshToken.err
+	}
+
+	// this step refreshes the token
+	// see https://cs.opensource.google/go/x/oauth2/+/refs/tags/v0.29.0:oauth2.go;l=313
+	newToken, err := auth.oauthConfig.TokenSource(ctx, &oauth2.Token{
+		RefreshToken: refreshToken.RefreshToken,
+	}).Token()
+	if err != nil {
+		refreshToken.err = fmt.Errorf("session: %s - %w: %w", claims.SessionID, ErrRefreshTokenFailure, err)
+		return nil, refreshToken.err
+	}
+
+	idTokenJWT, idToken, err := auth.getIdToken(ctx, newToken)
+	if err != nil {
+		refreshToken.err = fmt.Errorf("session: %s - %w: %w", claims.SessionID, ErrRefreshTokenFailure, err)
+		return nil, refreshToken.err
+	}
+
+	// in case there're multiple requests for the same session to refresh
+	// invalidate the token after a short delay
+	go func() {
+		<-time.After(sessionInvalidateDelay)
+		invalidateOAuthRefreshToken(claims.SessionID)
+	}()
+
+	sessionID := newSessionID()
+
+	logging.Debug().Str("username", claims.Username).Time("expiry", newToken.Expiry).Msg("refreshed token")
+	storeOAuthRefreshToken(sessionID, claims.Username, newToken.RefreshToken)
+
+	refreshToken.result = &RefreshResult{
+		newSession: Session{
+			SessionID: sessionID,
+			Username:  claims.Username,
+			Groups:    claims.Groups,
+		},
+		jwt:       idTokenJWT,
+		jwtExpiry: idToken.Expiry,
+	}
+	return refreshToken.result, nil
+}

internal/auth/oidc.go

@@ -0,0 +1,336 @@
+package auth
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"slices"
+	"time"
+
+	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/utils"
+	"golang.org/x/oauth2"
+)
+
+type (
+	OIDCProvider struct {
+		oauthConfig   *oauth2.Config
+		oidcProvider  *oidc.Provider
+		oidcVerifier  *oidc.IDTokenVerifier
+		endSessionURL *url.URL
+		allowedUsers  []string
+		allowedGroups []string
+	}
+
+	IDTokenClaims struct {
+		Username string   `json:"preferred_username"`
+		Groups   []string `json:"groups"`
+	}
+)
+
+const (
+	CookieOauthState        = "godoxy_oidc_state"
+	CookieOauthToken        = "godoxy_oauth_token"
+	CookieOauthSessionToken = "godoxy_session_token"
+)
+
+const (
+	OIDCAuthInitPath = "/"
+	OIDCPostAuthPath = "/auth/callback"
+	OIDCLogoutPath   = "/auth/logout"
+)
+
+var (
+	errMissingIDToken = errors.New("missing id_token field from oauth token")
+
+	ErrMissingOAuthToken = gperr.New("missing oauth token")
+	ErrInvalidOAuthToken = gperr.New("invalid oauth token")
+)
+
+// generateState generates a random string for OIDC state.
+const oidcStateLength = 32
+
+func generateState() string {
+	b := make([]byte, oidcStateLength)
+	_, _ = rand.Read(b)
+	return base64.URLEncoding.EncodeToString(b)[:oidcStateLength]
+}
+
+func NewOIDCProvider(issuerURL, clientID, clientSecret string, allowedUsers, allowedGroups []string) (*OIDCProvider, error) {
+	if len(allowedUsers)+len(allowedGroups) == 0 {
+		return nil, errors.New("oidc.allowed_users or oidc.allowed_groups are both empty")
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	provider, err := oidc.NewProvider(ctx, issuerURL)
+	if err != nil {
+		return nil, fmt.Errorf("failed to initialize OIDC provider: %w", err)
+	}
+
+	endSessionURL, err := url.Parse(provider.EndSessionEndpoint())
+	if err != nil && provider.EndSessionEndpoint() != "" {
+		// non critical, just warn
+		logging.Warn().
+			Str("issuer", issuerURL).
+			Err(err).
+			Msg("failed to parse end session URL")
+	}
+
+	return &OIDCProvider{
+		oauthConfig: &oauth2.Config{
+			ClientID:     clientID,
+			ClientSecret: clientSecret,
+			RedirectURL:  "",
+			Endpoint:     provider.Endpoint(),
+			Scopes:       common.OIDCScopes,
+		},
+		oidcProvider: provider,
+		oidcVerifier: provider.Verifier(&oidc.Config{
+			ClientID: clientID,
+		}),
+		endSessionURL: endSessionURL,
+		allowedUsers:  allowedUsers,
+		allowedGroups: allowedGroups,
+	}, nil
+}
+
+// NewOIDCProviderFromEnv creates a new OIDCProvider from environment variables.
+func NewOIDCProviderFromEnv() (*OIDCProvider, error) {
+	return NewOIDCProvider(
+		common.OIDCIssuerURL,
+		common.OIDCClientID,
+		common.OIDCClientSecret,
+		common.OIDCAllowedUsers,
+		common.OIDCAllowedGroups,
+	)
+}
+
+func (auth *OIDCProvider) SetAllowedUsers(users []string) {
+	auth.allowedUsers = users
+}
+
+func (auth *OIDCProvider) SetAllowedGroups(groups []string) {
+	auth.allowedGroups = groups
+}
+
+// optRedirectPostAuth returns an oauth2 option that sets the "redirect_uri"
+// parameter of the authorization URL to the post auth path of the current
+// request host.
+func optRedirectPostAuth(r *http.Request) oauth2.AuthCodeOption {
+	return oauth2.SetAuthURLParam("redirect_uri", "https://"+requestHost(r)+OIDCPostAuthPath)
+}
+
+func (auth *OIDCProvider) getIdToken(ctx context.Context, oauthToken *oauth2.Token) (string, *oidc.IDToken, error) {
+	idTokenJWT, ok := oauthToken.Extra("id_token").(string)
+	if !ok {
+		return "", nil, errMissingIDToken
+	}
+	idToken, err := auth.oidcVerifier.Verify(ctx, idTokenJWT)
+	if err != nil {
+		return "", nil, fmt.Errorf("failed to verify ID token: %w", err)
+	}
+	return idTokenJWT, idToken, nil
+}
+
+func (auth *OIDCProvider) HandleAuth(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path == "" {
+		r.URL.Path = OIDCAuthInitPath
+	}
+	if r.TLS == nil && r.Header.Get("X-Forwarded-Proto") != "https" {
+		r.URL.Scheme = "https"
+		http.Redirect(w, r, r.URL.String(), http.StatusFound)
+		return
+	}
+	switch r.URL.Path {
+	case OIDCAuthInitPath:
+		auth.LoginHandler(w, r)
+	case OIDCPostAuthPath:
+		auth.PostAuthCallbackHandler(w, r)
+	case OIDCLogoutPath:
+		auth.LogoutHandler(w, r)
+	default:
+		http.Redirect(w, r, OIDCAuthInitPath, http.StatusFound)
+	}
+}
+
+func (auth *OIDCProvider) LoginHandler(w http.ResponseWriter, r *http.Request) {
+	// check for session token
+	sessionToken, err := r.Cookie(CookieOauthSessionToken)
+	if err == nil { // session token exists
+		result, err := auth.TryRefreshToken(r.Context(), sessionToken.Value)
+		// redirect back to where they requested
+		// when token refresh is ok
+		if err == nil {
+			auth.setIDTokenCookie(w, r, result.jwt, time.Until(result.jwtExpiry))
+			auth.setSessionTokenCookie(w, r, result.newSession)
+			ProceedNext(w, r)
+			return
+		}
+		// clear cookies then redirect to home
+		logging.Err(err).Msg("failed to refresh token")
+		auth.clearCookie(w, r)
+		http.Redirect(w, r, "/", http.StatusFound)
+		return
+	}
+
+	state := generateState()
+	SetTokenCookie(w, r, CookieOauthState, state, 300*time.Second)
+	// redirect user to Idp
+	http.Redirect(w, r, auth.oauthConfig.AuthCodeURL(state, optRedirectPostAuth(r)), http.StatusFound)
+}
+
+func parseClaims(idToken *oidc.IDToken) (*IDTokenClaims, error) {
+	var claim IDTokenClaims
+	if err := idToken.Claims(&claim); err != nil {
+		return nil, fmt.Errorf("failed to parse claims: %w", err)
+	}
+	if claim.Username == "" {
+		return nil, errors.New("missing username in ID token")
+	}
+	return &claim, nil
+}
+
+func (auth *OIDCProvider) checkAllowed(user string, groups []string) bool {
+	userAllowed := slices.Contains(auth.allowedUsers, user)
+	if !userAllowed {
+		return false
+	}
+	if len(auth.allowedGroups) == 0 {
+		return true
+	}
+	return len(utils.Intersect(groups, auth.allowedGroups)) > 0
+}
+
+func (auth *OIDCProvider) CheckToken(r *http.Request) error {
+	tokenCookie, err := r.Cookie(CookieOauthToken)
+	if err != nil {
+		return ErrMissingOAuthToken
+	}
+
+	idToken, err := auth.oidcVerifier.Verify(r.Context(), tokenCookie.Value)
+	if err != nil {
+		return fmt.Errorf("%w: %w", ErrInvalidOAuthToken, err)
+	}
+
+	claims, err := parseClaims(idToken)
+	if err != nil {
+		return fmt.Errorf("%w: %w", ErrInvalidOAuthToken, err)
+	}
+
+	if !auth.checkAllowed(claims.Username, claims.Groups) {
+		return ErrUserNotAllowed
+	}
+	return nil
+}
+
+func (auth *OIDCProvider) PostAuthCallbackHandler(w http.ResponseWriter, r *http.Request) {
+	// For testing purposes, skip provider verification
+	if common.IsTest {
+		auth.handleTestCallback(w, r)
+		return
+	}
+
+	// verify state
+	state, err := r.Cookie(CookieOauthState)
+	if err != nil {
+		gphttp.BadRequest(w, "missing state cookie")
+		return
+	}
+	if r.URL.Query().Get("state") != state.Value {
+		gphttp.BadRequest(w, "invalid oauth state")
+		return
+	}
+
+	code := r.URL.Query().Get("code")
+	oauth2Token, err := auth.oauthConfig.Exchange(r.Context(), code, optRedirectPostAuth(r))
+	if err != nil {
+		gphttp.ServerError(w, r, fmt.Errorf("failed to exchange token: %w", err))
+		return
+	}
+
+	idTokenJWT, idToken, err := auth.getIdToken(r.Context(), oauth2Token)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	if oauth2Token.RefreshToken != "" {
+		claims, err := parseClaims(idToken)
+		if err != nil {
+			gphttp.ServerError(w, r, err)
+			return
+		}
+		session := newSession(claims.Username, claims.Groups)
+		storeOAuthRefreshToken(session.SessionID, claims.Username, oauth2Token.RefreshToken)
+		auth.setSessionTokenCookie(w, r, session)
+	}
+	auth.setIDTokenCookie(w, r, idTokenJWT, time.Until(idToken.Expiry))
+
+	// Redirect to home page
+	http.Redirect(w, r, "/", http.StatusFound)
+}
+
+func (auth *OIDCProvider) LogoutHandler(w http.ResponseWriter, r *http.Request) {
+	oauthToken, _ := r.Cookie(CookieOauthToken)
+	sessionToken, _ := r.Cookie(CookieOauthSessionToken)
+	auth.clearCookie(w, r)
+
+	if sessionToken != nil {
+		claims, _, err := auth.parseSessionJWT(sessionToken.Value)
+		if err == nil {
+			invalidateOAuthRefreshToken(claims.SessionID)
+		}
+	}
+
+	url := "/"
+	if auth.endSessionURL != nil && oauthToken != nil {
+		query := auth.endSessionURL.Query()
+		query.Set("id_token_hint", oauthToken.Value)
+		query.Set("post_logout_redirect_uri", "https://"+requestHost(r))
+
+		clone := *auth.endSessionURL
+		clone.RawQuery = query.Encode()
+		url = clone.String()
+	} else if auth.endSessionURL != nil {
+		url = auth.endSessionURL.String()
+	}
+
+	http.Redirect(w, r, url, http.StatusFound)
+}
+
+func (auth *OIDCProvider) setIDTokenCookie(w http.ResponseWriter, r *http.Request, jwt string, ttl time.Duration) {
+	SetTokenCookie(w, r, CookieOauthToken, jwt, ttl)
+}
+
+func (auth *OIDCProvider) clearCookie(w http.ResponseWriter, r *http.Request) {
+	ClearTokenCookie(w, r, CookieOauthToken)
+	ClearTokenCookie(w, r, CookieOauthSessionToken)
+}
+
+// handleTestCallback handles OIDC callback in test environment.
+func (auth *OIDCProvider) handleTestCallback(w http.ResponseWriter, r *http.Request) {
+	state, err := r.Cookie(CookieOauthState)
+	if err != nil {
+		gphttp.BadRequest(w, "missing state cookie")
+		return
+	}
+
+	if r.URL.Query().Get("state") != state.Value {
+		gphttp.BadRequest(w, "invalid oauth state")
+		return
+	}
+
+	// Create test JWT token
+	SetTokenCookie(w, r, CookieOauthToken, "test", time.Hour)
+
+	http.Redirect(w, r, "/", http.StatusFound)
+}

internal/auth/oidc_test.go

@@ -0,0 +1,483 @@
+package auth
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"encoding/base64"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+	"time"
+
+	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/yusing/go-proxy/internal/common"
+	"golang.org/x/oauth2"
+
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+)
+
+// setupMockOIDC configures mock OIDC provider for testing.
+func setupMockOIDC(t *testing.T) {
+	t.Helper()
+
+	provider := (&oidc.ProviderConfig{}).NewProvider(t.Context())
+	defaultAuth = &OIDCProvider{
+		oauthConfig: &oauth2.Config{
+			ClientID:     "test-client",
+			ClientSecret: "test-secret",
+			RedirectURL:  "http://localhost/callback",
+			Endpoint: oauth2.Endpoint{
+				AuthURL:  "http://mock-provider/auth",
+				TokenURL: "http://mock-provider/token",
+			},
+			Scopes: []string{oidc.ScopeOpenID, "profile", "email"},
+		},
+		endSessionURL: Must(url.Parse("http://mock-provider/logout")),
+		oidcProvider:  provider,
+		oidcVerifier: provider.Verifier(&oidc.Config{
+			ClientID: "test-client",
+		}),
+		allowedUsers:  []string{"test-user"},
+		allowedGroups: []string{"test-group1", "test-group2"},
+	}
+}
+
+// discoveryDocument returns a mock OIDC discovery document.
+func discoveryDocument(t *testing.T, server *httptest.Server) map[string]any {
+	t.Helper()
+
+	discovery := map[string]any{
+		"issuer":                 server.URL,
+		"authorization_endpoint": server.URL + "/auth",
+		"token_endpoint":         server.URL + "/token",
+	}
+
+	return discovery
+}
+
+const (
+	keyID    = "test-key-id"
+	clientID = "test-client-id"
+)
+
+type provider struct {
+	ts       *httptest.Server
+	key      *rsa.PrivateKey
+	verifier *oidc.IDTokenVerifier
+}
+
+func (j *provider) SignClaims(t *testing.T, claims jwt.Claims) string {
+	t.Helper()
+
+	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
+	token.Header["kid"] = keyID
+	signed, err := token.SignedString(j.key)
+	ExpectNoError(t, err)
+	return signed
+}
+
+func setupProvider(t *testing.T) *provider {
+	t.Helper()
+
+	// Generate an RSA key pair for the test.
+	privKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	ExpectNoError(t, err)
+
+	// Build the matching public JWK that will be served by the endpoint.
+	jwk := buildRSAJWK(t, &privKey.PublicKey, keyID)
+
+	// Start a test server that serves the JWKS endpoint.
+	ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/.well-known/jwks.json":
+			_ = json.NewEncoder(w).Encode(map[string]any{
+				"keys": []any{jwk},
+			})
+		default:
+			http.NotFound(w, r)
+		}
+	}))
+	t.Cleanup(ts.Close)
+
+	// Create a test OIDCProvider.
+	providerCtx := oidc.ClientContext(t.Context(), ts.Client())
+	keySet := oidc.NewRemoteKeySet(providerCtx, ts.URL+"/.well-known/jwks.json")
+
+	return &provider{
+		ts:  ts,
+		key: privKey,
+		verifier: oidc.NewVerifier(ts.URL, keySet, &oidc.Config{
+			ClientID: clientID, // matches audience in the token
+		}),
+	}
+}
+
+// buildRSAJWK is a helper to construct a minimal JWK for the JWKS endpoint.
+func buildRSAJWK(t *testing.T, pub *rsa.PublicKey, kid string) map[string]any {
+	t.Helper()
+
+	nBytes := pub.N.Bytes()
+	eBytes := []byte{0x01, 0x00, 0x01} // Usually 65537
+
+	return map[string]any{
+		"kty": "RSA",
+		"alg": "RS256",
+		"use": "sig",
+		"kid": kid,
+		"n":   base64.RawURLEncoding.EncodeToString(nBytes),
+		"e":   base64.RawURLEncoding.EncodeToString(eBytes),
+	}
+}
+
+func cleanup() {
+	defaultAuth = nil
+}
+
+func TestOIDCLoginHandler(t *testing.T) {
+	// Setup
+	common.APIJWTSecret = []byte("test-secret")
+	t.Cleanup(cleanup)
+	setupMockOIDC(t)
+
+	tests := []struct {
+		name         string
+		wantStatus   int
+		wantRedirect bool
+	}{
+		{
+			name:         "Success - Redirects to provider",
+			wantStatus:   http.StatusFound,
+			wantRedirect: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, OIDCAuthInitPath, nil)
+			w := httptest.NewRecorder()
+
+			defaultAuth.(*OIDCProvider).HandleAuth(w, req)
+
+			if got := w.Code; got != tt.wantStatus {
+				t.Errorf("OIDCLoginHandler() status = %v, want %v", got, tt.wantStatus)
+			}
+
+			if tt.wantRedirect {
+				if loc := w.Header().Get("Location"); loc == "" {
+					t.Error("OIDCLoginHandler() missing redirect location")
+				}
+
+				cookie := w.Header().Get("Set-Cookie")
+				if cookie == "" {
+					t.Error("OIDCLoginHandler() missing state cookie")
+				}
+			}
+		})
+	}
+}
+
+func TestOIDCCallbackHandler(t *testing.T) {
+	// Setup
+	common.APIJWTSecret = []byte("test-secret")
+	t.Cleanup(cleanup)
+	tests := []struct {
+		name       string
+		state      string
+		code       string
+		setupMocks bool
+		wantStatus int
+	}{
+		{
+			name:       "Success - Valid callback",
+			state:      "valid-state",
+			code:       "valid-code",
+			setupMocks: true,
+			wantStatus: http.StatusFound,
+		},
+		{
+			name:       "Failure - Missing state",
+			code:       "valid-code",
+			setupMocks: true,
+			wantStatus: http.StatusBadRequest,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.setupMocks {
+				setupMockOIDC(t)
+			}
+
+			req := httptest.NewRequest(http.MethodGet, "/auth/callback?code="+tt.code+"&state="+tt.state, nil)
+			if tt.state != "" {
+				req.AddCookie(&http.Cookie{
+					Name:  CookieOauthState,
+					Value: tt.state,
+				})
+			}
+			w := httptest.NewRecorder()
+
+			defaultAuth.(*OIDCProvider).PostAuthCallbackHandler(w, req)
+
+			if got := w.Code; got != tt.wantStatus {
+				t.Errorf("OIDCCallbackHandler() status = %v, want %v", got, tt.wantStatus)
+			}
+
+			if tt.wantStatus == http.StatusTemporaryRedirect {
+				setCookie := Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
+				ExpectEqual(t, setCookie.Name, CookieOauthToken)
+				ExpectTrue(t, setCookie.Value != "")
+				ExpectEqual(t, setCookie.Path, "/")
+				ExpectEqual(t, setCookie.SameSite, http.SameSiteLaxMode)
+				ExpectEqual(t, setCookie.HttpOnly, true)
+			}
+		})
+	}
+}
+
+func TestInitOIDC(t *testing.T) {
+	setupMockOIDC(t)
+	// Create a test server that serves the discovery document
+	var server *httptest.Server
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		ExpectNoError(t, json.NewEncoder(w).Encode(discoveryDocument(t, server)))
+	})
+	server = httptest.NewServer(mux)
+	t.Cleanup(server.Close)
+	t.Cleanup(cleanup)
+
+	tests := []struct {
+		name          string
+		issuerURL     string
+		clientID      string
+		clientSecret  string
+		redirectURL   string
+		logoutURL     string
+		allowedUsers  []string
+		allowedGroups []string
+		wantErr       bool
+	}{
+		{
+			name:    "Fail - Empty configuration",
+			wantErr: true,
+		},
+		{
+			name:         "Success - Valid configuration with users",
+			issuerURL:    server.URL,
+			clientID:     "client_id",
+			clientSecret: "client_secret",
+			allowedUsers: []string{"user1", "user2"},
+			wantErr:      false,
+		},
+		{
+			name:          "Success - Valid configuration with groups",
+			issuerURL:     server.URL,
+			clientID:      "client_id",
+			clientSecret:  "client_secret",
+			allowedGroups: []string{"group1", "group2"},
+			wantErr:       false,
+		},
+		{
+			name:          "Success - Valid configuration with users, groups and logout URL",
+			issuerURL:     server.URL,
+			clientID:      "client_id",
+			clientSecret:  "client_secret",
+			logoutURL:     "https://example.com/logout",
+			allowedUsers:  []string{"user1", "user2"},
+			allowedGroups: []string{"group1", "group2"},
+			wantErr:       false,
+		},
+		{
+			name:         "Fail - No allowed users or allowed groups",
+			issuerURL:    "https://example.com",
+			clientID:     "client_id",
+			clientSecret: "client_secret",
+			wantErr:      true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			_, err := NewOIDCProvider(tt.issuerURL, tt.clientID, tt.clientSecret, tt.allowedUsers, tt.allowedGroups)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("InitOIDC() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestCheckToken(t *testing.T) {
+	provider := setupProvider(t)
+
+	tests := []struct {
+		name          string
+		allowedUsers  []string
+		allowedGroups []string
+		claims        jwt.Claims
+		wantErr       error
+	}{
+		{
+			name:         "Success - Valid token with allowed user",
+			allowedUsers: []string{"user1"},
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+		},
+		{
+			name:          "Success - Valid token with allowed group",
+			allowedGroups: []string{"group1"},
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+		},
+		{
+			name:         "Success - Server omits groups, but user is allowed",
+			allowedUsers: []string{"user1"},
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+			},
+		},
+		{
+			name:          "Success - Server omits preferred_username, but group is allowed",
+			allowedGroups: []string{"group1"},
+			claims: jwt.MapClaims{
+				"iss":    provider.ts.URL,
+				"aud":    clientID,
+				"exp":    time.Now().Add(time.Hour).Unix(),
+				"groups": []string{"group1"},
+			},
+		},
+		{
+			name:          "Success - Valid token with allowed user and group",
+			allowedUsers:  []string{"user1"},
+			allowedGroups: []string{"group1"},
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+		},
+		{
+			name:          "Error - User not allowed",
+			allowedUsers:  []string{"user2", "user3"},
+			allowedGroups: []string{"group2", "group3"},
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+			wantErr: ErrUserNotAllowed,
+		},
+		{
+			name: "Error - Server returns incorrect issuer",
+			claims: jwt.MapClaims{
+				"iss":                "https://example.com",
+				"aud":                clientID,
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+			wantErr: ErrInvalidOAuthToken,
+		},
+		{
+			name: "Error - Server returns incorrect audience",
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                "some-other-audience",
+				"exp":                time.Now().Add(time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+			wantErr: ErrInvalidOAuthToken,
+		},
+		{
+			name: "Error - Server returns expired token",
+			claims: jwt.MapClaims{
+				"iss":                provider.ts.URL,
+				"aud":                clientID,
+				"exp":                time.Now().Add(-time.Hour).Unix(),
+				"preferred_username": "user1",
+				"groups":             []string{"group1"},
+			},
+			wantErr: ErrInvalidOAuthToken,
+		},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			// Create the Auth Provider.
+			auth := &OIDCProvider{
+				oidcVerifier:  provider.verifier,
+				allowedUsers:  tc.allowedUsers,
+				allowedGroups: tc.allowedGroups,
+			}
+			// Sign the claims to create a token.
+			signedToken := provider.SignClaims(t, tc.claims)
+			// Craft a test HTTP request that includes the token as a cookie.
+			req := httptest.NewRequest(http.MethodGet, "/", nil)
+			req.AddCookie(&http.Cookie{
+				Name:  CookieOauthToken,
+				Value: signedToken,
+			})
+
+			// Call CheckToken and verify the result.
+			err := auth.CheckToken(req)
+			if tc.wantErr == nil {
+				ExpectNoError(t, err)
+			} else {
+				ExpectError(t, tc.wantErr, err)
+			}
+		})
+	}
+}
+
+func TestLogoutHandler(t *testing.T) {
+	t.Helper()
+
+	setupMockOIDC(t)
+
+	req := httptest.NewRequest(http.MethodGet, OIDCLogoutPath, nil)
+	w := httptest.NewRecorder()
+
+	req.AddCookie(&http.Cookie{
+		Name:  CookieOauthToken,
+		Value: "test-token",
+	})
+	req.AddCookie(&http.Cookie{
+		Name:  CookieOauthSessionToken,
+		Value: "test-session-token",
+	})
+
+	defaultAuth.(*OIDCProvider).LogoutHandler(w, req)
+
+	if got := w.Code; got != http.StatusFound {
+		t.Errorf("LogoutHandler() status = %v, want %v", got, http.StatusFound)
+	}
+
+	if got := w.Header().Get("Location"); got == "" {
+		t.Error("LogoutHandler() missing redirect location")
+	}
+
+	if len(w.Header().Values("Set-Cookie")) != 2 {
+		t.Error("LogoutHandler() did not clear all cookies")
+	}
+}

internal/auth/provider.go

@@ -0,0 +1,10 @@
+package auth
+
+import "net/http"
+
+type Provider interface {
+	CheckToken(r *http.Request) error
+	LoginHandler(w http.ResponseWriter, r *http.Request)
+	PostAuthCallbackHandler(w http.ResponseWriter, r *http.Request)
+	LogoutHandler(w http.ResponseWriter, r *http.Request)
+}

internal/auth/userpass.go

@@ -0,0 +1,143 @@
+package auth
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+	"golang.org/x/crypto/bcrypt"
+)
+
+var (
+	ErrInvalidUsername = gperr.New("invalid username")
+	ErrInvalidPassword = gperr.New("invalid password")
+)
+
+type (
+	UserPassAuth struct {
+		username string
+		pwdHash  []byte
+		secret   []byte
+		tokenTTL time.Duration
+	}
+	UserPassClaims struct {
+		Username string `json:"username"`
+		jwt.RegisteredClaims
+	}
+)
+
+func NewUserPassAuth(username, password string, secret []byte, tokenTTL time.Duration) (*UserPassAuth, error) {
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return nil, err
+	}
+	return &UserPassAuth{
+		username: username,
+		pwdHash:  hash,
+		secret:   secret,
+		tokenTTL: tokenTTL,
+	}, nil
+}
+
+func NewUserPassAuthFromEnv() (*UserPassAuth, error) {
+	return NewUserPassAuth(
+		common.APIUser,
+		common.APIPassword,
+		common.APIJWTSecret,
+		common.APIJWTTokenTTL,
+	)
+}
+
+func (auth *UserPassAuth) TokenCookieName() string {
+	return "godoxy_token"
+}
+
+func (auth *UserPassAuth) NewToken() (token string, err error) {
+	claim := &UserPassClaims{
+		Username: auth.username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(auth.tokenTTL)),
+		},
+	}
+	tok := jwt.NewWithClaims(jwt.SigningMethodHS512, claim)
+	token, err = tok.SignedString(auth.secret)
+	if err != nil {
+		return "", err
+	}
+	return token, nil
+}
+
+func (auth *UserPassAuth) CheckToken(r *http.Request) error {
+	jwtCookie, err := r.Cookie(auth.TokenCookieName())
+	if err != nil {
+		return ErrMissingSessionToken
+	}
+	var claims UserPassClaims
+	token, err := jwt.ParseWithClaims(jwtCookie.Value, &claims, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
+		}
+		return auth.secret, nil
+	})
+	if err != nil {
+		return err
+	}
+	switch {
+	case !token.Valid:
+		return ErrInvalidSessionToken
+	case claims.Username != auth.username:
+		return ErrUserNotAllowed.Subject(claims.Username)
+	case claims.ExpiresAt.Before(time.Now()):
+		return gperr.Errorf("token expired on %s", strutils.FormatTime(claims.ExpiresAt.Time))
+	}
+
+	return nil
+}
+
+func (auth *UserPassAuth) PostAuthCallbackHandler(w http.ResponseWriter, r *http.Request) {
+	var creds struct {
+		User string `json:"username"`
+		Pass string `json:"password"`
+	}
+	err := json.NewDecoder(r.Body).Decode(&creds)
+	if err != nil {
+		gphttp.Unauthorized(w, "invalid credentials")
+		return
+	}
+	if err := auth.validatePassword(creds.User, creds.Pass); err != nil {
+		gphttp.Unauthorized(w, "invalid credentials")
+		return
+	}
+	token, err := auth.NewToken()
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	SetTokenCookie(w, r, auth.TokenCookieName(), token, auth.tokenTTL)
+	w.WriteHeader(http.StatusOK)
+}
+
+func (auth *UserPassAuth) LoginHandler(w http.ResponseWriter, r *http.Request) {
+	http.Redirect(w, r, "/login", http.StatusFound) // redirects to WebUI login page
+}
+
+func (auth *UserPassAuth) LogoutHandler(w http.ResponseWriter, r *http.Request) {
+	ClearTokenCookie(w, r, auth.TokenCookieName())
+	http.Redirect(w, r, "/", http.StatusFound)
+}
+
+func (auth *UserPassAuth) validatePassword(user, pass string) error {
+	if user != auth.username {
+		return ErrInvalidUsername.Subject(user)
+	}
+	if err := bcrypt.CompareHashAndPassword(auth.pwdHash, []byte(pass)); err != nil {
+		return ErrInvalidPassword.With(err).Subject(pass)
+	}
+	return nil
+}

internal/auth/userpass_test.go

@@ -0,0 +1,115 @@
+package auth
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	. "github.com/yusing/go-proxy/internal/utils/testing"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func newMockUserPassAuth() *UserPassAuth {
+	return &UserPassAuth{
+		username: "username",
+		pwdHash:  Must(bcrypt.GenerateFromPassword([]byte("password"), bcrypt.DefaultCost)),
+		secret:   []byte("abcdefghijklmnopqrstuvwxyz"),
+		tokenTTL: time.Hour,
+	}
+}
+
+func TestUserPassValidateCredentials(t *testing.T) {
+	auth := newMockUserPassAuth()
+	err := auth.validatePassword("username", "password")
+	ExpectNoError(t, err)
+	err = auth.validatePassword("username", "wrong-password")
+	ExpectError(t, ErrInvalidPassword, err)
+	err = auth.validatePassword("wrong-username", "password")
+	ExpectError(t, ErrInvalidUsername, err)
+}
+
+func TestUserPassCheckToken(t *testing.T) {
+	auth := newMockUserPassAuth()
+	token, err := auth.NewToken()
+	ExpectNoError(t, err)
+	tests := []struct {
+		token   string
+		wantErr bool
+	}{
+		{
+			token:   token,
+			wantErr: false,
+		},
+		{
+			token:   "invalid-token",
+			wantErr: true,
+		},
+		{
+			token:   "",
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		req := &http.Request{Header: http.Header{}}
+		if tt.token != "" {
+			req.Header.Set("Cookie", auth.TokenCookieName()+"="+tt.token)
+		}
+		err = auth.CheckToken(req)
+		if tt.wantErr {
+			ExpectTrue(t, err != nil)
+		} else {
+			ExpectNoError(t, err)
+		}
+	}
+}
+
+func TestUserPassLoginCallbackHandler(t *testing.T) {
+	type cred struct {
+		User string `json:"username"`
+		Pass string `json:"password"`
+	}
+	auth := newMockUserPassAuth()
+	tests := []struct {
+		creds   cred
+		wantErr bool
+	}{
+		{
+			creds: cred{
+				User: "username",
+				Pass: "password",
+			},
+			wantErr: false,
+		},
+		{
+			creds: cred{
+				User: "username",
+				Pass: "wrong-password",
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		w := httptest.NewRecorder()
+		req := &http.Request{
+			Host: "app.example.com",
+			Body: io.NopCloser(bytes.NewReader(Must(json.Marshal(tt.creds)))),
+		}
+		auth.PostAuthCallbackHandler(w, req)
+		if tt.wantErr {
+			ExpectEqual(t, w.Code, http.StatusUnauthorized)
+		} else {
+			setCookie := Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
+			ExpectTrue(t, setCookie.Name == auth.TokenCookieName())
+			ExpectTrue(t, setCookie.Value != "")
+			ExpectEqual(t, setCookie.Domain, "example.com")
+			ExpectEqual(t, setCookie.Path, "/")
+			ExpectEqual(t, setCookie.SameSite, http.SameSiteLaxMode)
+			ExpectEqual(t, setCookie.HttpOnly, true)
+			ExpectEqual(t, w.Code, http.StatusOK)
+		}
+	}
+}

internal/auth/utils.go

@@ -0,0 +1,71 @@
+package auth
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+var (
+	ErrMissingSessionToken = gperr.New("missing session token")
+	ErrInvalidSessionToken = gperr.New("invalid session token")
+	ErrUserNotAllowed      = gperr.New("user not allowed")
+)
+
+func IsFrontend(r *http.Request) bool {
+	return r.Host == common.APIHTTPAddr
+}
+
+func requestHost(r *http.Request) string {
+	// check if it's from backend
+	if IsFrontend(r) {
+		return r.Header.Get("X-Forwarded-Host")
+	}
+	return r.Host
+}
+
+// cookieDomain returns the fully qualified domain name of the request host
+// with subdomain stripped.
+//
+// If the request host does not have a subdomain,
+// an empty string is returned
+//
+//	"abc.example.com" -> ".example.com" (cross subdomain)
+//	"example.com" -> "" (same domain only)
+func cookieDomain(r *http.Request) string {
+	parts := strutils.SplitRune(requestHost(r), '.')
+	if len(parts) < 2 {
+		return ""
+	}
+	parts[0] = ""
+	return strutils.JoinRune(parts, '.')
+}
+
+func SetTokenCookie(w http.ResponseWriter, r *http.Request, name, value string, ttl time.Duration) {
+	http.SetCookie(w, &http.Cookie{
+		Name:     name,
+		Value:    value,
+		MaxAge:   int(ttl.Seconds()),
+		Domain:   cookieDomain(r),
+		HttpOnly: true,
+		Secure:   common.APIJWTSecure,
+		SameSite: http.SameSiteLaxMode,
+		Path:     "/",
+	})
+}
+
+func ClearTokenCookie(w http.ResponseWriter, r *http.Request, name string) {
+	http.SetCookie(w, &http.Cookie{
+		Name:     name,
+		Value:    "",
+		MaxAge:   -1,
+		Domain:   cookieDomain(r),
+		HttpOnly: true,
+		Secure:   common.APIJWTSecure,
+		SameSite: http.SameSiteLaxMode,
+		Path:     "/",
+	})
+}

internal/autocert/config.go

@@ -4,81 +4,137 @@ import (
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
+	"crypto/x509"
+	"os"
+	"regexp"
 
 	"github.com/go-acme/lego/v4/certcrypto"
 	"github.com/go-acme/lego/v4/lego"
-	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
 	"github.com/yusing/go-proxy/internal/utils"
-	"github.com/yusing/go-proxy/internal/utils/strutils"
-
-	"github.com/yusing/go-proxy/internal/config/types"
 )
 
-type Config types.AutoCertConfig
+type Config struct {
+	Email       string         `json:"email,omitempty"`
+	Domains     []string       `json:"domains,omitempty"`
+	CertPath    string         `json:"cert_path,omitempty"`
+	KeyPath     string         `json:"key_path,omitempty"`
+	ACMEKeyPath string         `json:"acme_key_path,omitempty"`
+	Provider    string         `json:"provider,omitempty"`
+	Options     map[string]any `json:"options,omitempty"`
+}
 
 var (
-	ErrMissingDomain   = E.New("missing field 'domains'")
+	ErrMissingDomain   = gperr.New("missing field 'domains'")
-	ErrMissingEmail    = E.New("missing field 'email'")
+	ErrMissingEmail    = gperr.New("missing field 'email'")
-	ErrMissingProvider = E.New("missing field 'provider'")
+	ErrMissingProvider = gperr.New("missing field 'provider'")
-	ErrUnknownProvider = E.New("unknown provider")
+	ErrInvalidDomain   = gperr.New("invalid domain")
+	ErrUnknownProvider = gperr.New("unknown provider")
 )
 
-func NewConfig(cfg *types.AutoCertConfig) *Config {
+const (
+	ProviderLocal  = "local"
+	ProviderPseudo = "pseudo"
+)
+
+var domainOrWildcardRE = regexp.MustCompile(`^\*?([^.]+\.)+[^.]+$`)
+
+// Validate implements the utils.CustomValidator interface.
+func (cfg *Config) Validate() gperr.Error {
+	if cfg == nil {
+		return nil
+	}
+
+	if cfg.Provider == "" {
+		cfg.Provider = ProviderLocal
+		return nil
+	}
+
+	b := gperr.NewBuilder("autocert errors")
+	if cfg.Provider != ProviderLocal && cfg.Provider != ProviderPseudo {
+		if len(cfg.Domains) == 0 {
+			b.Add(ErrMissingDomain)
+		}
+		if cfg.Email == "" {
+			b.Add(ErrMissingEmail)
+		}
+		for i, d := range cfg.Domains {
+			if !domainOrWildcardRE.MatchString(d) {
+				b.Add(ErrInvalidDomain.Subjectf("domains[%d]", i))
+			}
+		}
+		// check if provider is implemented
+		providerConstructor, ok := Providers[cfg.Provider]
+		if !ok {
+			b.Add(ErrUnknownProvider.
+				Subject(cfg.Provider).
+				With(gperr.DoYouMean(utils.NearestField(cfg.Provider, Providers))))
+		} else {
+			_, err := providerConstructor(cfg.Options)
+			if err != nil {
+				b.Add(err)
+			}
+		}
+	}
+	return b.Error()
+}
+
+func (cfg *Config) GetLegoConfig() (*User, *lego.Config, gperr.Error) {
+	if err := cfg.Validate(); err != nil {
+		return nil, nil, err
+	}
+
 	if cfg.CertPath == "" {
 		cfg.CertPath = CertFileDefault
 	}
 	if cfg.KeyPath == "" {
 		cfg.KeyPath = KeyFileDefault
 	}
-	if cfg.Provider == "" {
+	if cfg.ACMEKeyPath == "" {
-		cfg.Provider = ProviderLocal
+		cfg.ACMEKeyPath = ACMEKeyFileDefault
-	}
-	return (*Config)(cfg)
-}
-
-func (cfg *Config) GetProvider() (*Provider, E.Error) {
-	b := E.NewBuilder("autocert errors")
-
-	if cfg.Provider != ProviderLocal {
-		if len(cfg.Domains) == 0 {
-			b.Add(ErrMissingDomain)
-		}
-		if cfg.Provider == "" {
-			b.Add(ErrMissingProvider)
-		}
-		if cfg.Email == "" {
-			b.Add(ErrMissingEmail)
-		}
-		// check if provider is implemented
-		_, ok := providersGenMap[cfg.Provider]
-		if !ok {
-			b.Add(ErrUnknownProvider.
-				Subject(cfg.Provider).
-				Withf(strutils.DoYouMean(utils.NearestField(cfg.Provider, providersGenMap))))
-		}
 	}
 
-	if b.HasError() {
+	var privKey *ecdsa.PrivateKey
-		return nil, b.Error()
+	var err error
-	}
 
-	privKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if cfg.Provider != ProviderLocal && cfg.Provider != ProviderPseudo {
-	if err != nil {
+		if privKey, err = cfg.LoadACMEKey(); err != nil {
-		b.Addf("generate private key: %w", err)
+			logging.Info().Err(err).Msg("load ACME private key failed")
-		return nil, b.Error()
+			logging.Info().Msg("generate new ACME private key")
+			privKey, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+			if err != nil {
+				return nil, nil, gperr.New("generate ACME private key").With(err)
+			}
+			if err = cfg.SaveACMEKey(privKey); err != nil {
+				return nil, nil, gperr.New("save ACME private key").With(err)
+			}
+		}
 	}
 
 	user := &User{
 		Email: cfg.Email,
-		key:   privKey,
+		Key:   privKey,
 	}
 
 	legoCfg := lego.NewConfig(user)
 	legoCfg.Certificate.KeyType = certcrypto.RSA2048
 
-	return &Provider{
+	return user, legoCfg, nil
-		cfg:     cfg,
+}
-		user:    user,
+
-		legoCfg: legoCfg,
+func (cfg *Config) LoadACMEKey() (*ecdsa.PrivateKey, error) {
-	}, nil
+	data, err := os.ReadFile(cfg.ACMEKeyPath)
+	if err != nil {
+		return nil, err
+	}
+	return x509.ParseECPrivateKey(data)
+}
+
+func (cfg *Config) SaveACMEKey(key *ecdsa.PrivateKey) error {
+	data, err := x509.MarshalECPrivateKey(key)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(cfg.ACMEKeyPath, data, 0o600)
 }

internal/autocert/constants.go

@@ -1,31 +0,0 @@
-package autocert
-
-import (
-	"github.com/go-acme/lego/v4/providers/dns/clouddns"
-	"github.com/go-acme/lego/v4/providers/dns/cloudflare"
-	"github.com/go-acme/lego/v4/providers/dns/duckdns"
-	"github.com/go-acme/lego/v4/providers/dns/ovh"
-)
-
-const (
-	certBasePath     = "certs/"
-	CertFileDefault  = certBasePath + "cert.crt"
-	KeyFileDefault   = certBasePath + "priv.key"
-	RegistrationFile = certBasePath + "registration.json"
-)
-
-const (
-	ProviderLocal      = "local"
-	ProviderCloudflare = "cloudflare"
-	ProviderClouddns   = "clouddns"
-	ProviderDuckdns    = "duckdns"
-	ProviderOVH        = "ovh"
-)
-
-var providersGenMap = map[string]ProviderGenerator{
-	ProviderLocal:      providerGenerator(NewDummyDefaultConfig, NewDummyDNSProviderConfig),
-	ProviderCloudflare: providerGenerator(cloudflare.NewDefaultConfig, cloudflare.NewDNSProviderConfig),
-	ProviderClouddns:   providerGenerator(clouddns.NewDefaultConfig, clouddns.NewDNSProviderConfig),
-	ProviderDuckdns:    providerGenerator(duckdns.NewDefaultConfig, duckdns.NewDNSProviderConfig),
-	ProviderOVH:        providerGenerator(ovh.NewDefaultConfig, ovh.NewDNSProviderConfig),
-}

internal/autocert/logger.go

@@ -1,5 +0,0 @@
-package autocert
-
-import "github.com/yusing/go-proxy/internal/logging"
-
-var logger = logging.With().Str("module", "autocert").Logger()

internal/autocert/paths.go

@@ -0,0 +1,8 @@
+package autocert
+
+const (
+	certBasePath       = "certs/"
+	CertFileDefault    = certBasePath + "cert.crt"
+	KeyFileDefault     = certBasePath + "priv.key"
+	ACMEKeyFileDefault = certBasePath + "acme.key"
+)

internal/autocert/provider.go

@@ -4,6 +4,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"errors"
+	"fmt"
 	"os"
 	"path"
 	"reflect"
@@ -11,13 +12,13 @@ import (
 	"time"
 
 	"github.com/go-acme/lego/v4/certificate"
-	"github.com/go-acme/lego/v4/challenge"
 	"github.com/go-acme/lego/v4/lego"
 	"github.com/go-acme/lego/v4/registration"
-	"github.com/yusing/go-proxy/internal/config/types"
+	"github.com/rs/zerolog"
-	E "github.com/yusing/go-proxy/internal/error"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/notif"
 	"github.com/yusing/go-proxy/internal/task"
-	U "github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
 )
 
@@ -28,16 +29,24 @@ type (
 		legoCfg *lego.Config
 		client  *lego.Client
 
+		legoCert     *certificate.Resource
 		tlsCert      *tls.Certificate
 		certExpiries CertExpiries
 	}
-	ProviderGenerator func(types.AutocertProviderOpt) (challenge.Provider, E.Error)
 
 	CertExpiries map[string]time.Time
 )
 
 var ErrGetCertFailure = errors.New("get certificate failed")
 
+func NewProvider(cfg *Config, user *User, legoCfg *lego.Config) *Provider {
+	return &Provider{
+		cfg:     cfg,
+		user:    user,
+		legoCfg: legoCfg,
+	}
+}
+
 func (p *Provider) GetCert(_ *tls.ClientHelloInfo) (*tls.Certificate, error) {
 	if p.tlsCert == nil {
 		return nil, ErrGetCertFailure
@@ -61,11 +70,22 @@ func (p *Provider) GetExpiries() CertExpiries {
 	return p.certExpiries
 }
 
-func (p *Provider) ObtainCert() E.Error {
+func (p *Provider) ObtainCert() error {
 	if p.cfg.Provider == ProviderLocal {
 		return nil
 	}
 
+	if p.cfg.Provider == ProviderPseudo {
+		t := time.NewTicker(1000 * time.Millisecond)
+		defer t.Stop()
+		logging.Info().Msg("init client for pseudo provider")
+		<-t.C
+		logging.Info().Msg("registering acme for pseudo provider")
+		<-t.C
+		logging.Info().Msg("obtained cert for pseudo provider")
+		return nil
+	}
+
 	if p.client == nil {
 		if err := p.initClient(); err != nil {
 			return err
@@ -74,32 +94,47 @@ func (p *Provider) ObtainCert() E.Error {
 
 	if p.user.Registration == nil {
 		if err := p.registerACME(); err != nil {
-			return E.From(err)
+			return err
 		}
 	}
 
-	client := p.client
+	var cert *certificate.Resource
-	req := certificate.ObtainRequest{
+	var err error
-		Domains: p.cfg.Domains,
+
-		Bundle:  true,
+	if p.legoCert != nil {
+		cert, err = p.client.Certificate.RenewWithOptions(*p.legoCert, &certificate.RenewOptions{
+			Bundle: true,
+		})
+		if err != nil {
+			p.legoCert = nil
+			logging.Err(err).Msg("cert renew failed, fallback to obtain")
+		} else {
+			p.legoCert = cert
+		}
 	}
-	cert, err := client.Certificate.Obtain(req)
+
-	if err != nil {
+	if cert == nil {
-		return E.From(err)
+		cert, err = p.client.Certificate.Obtain(certificate.ObtainRequest{
+			Domains: p.cfg.Domains,
+			Bundle:  true,
+		})
+		if err != nil {
+			return err
+		}
 	}
 
 	if err = p.saveCert(cert); err != nil {
-		return E.From(err)
+		return err
 	}
 
 	tlsCert, err := tls.X509KeyPair(cert.Certificate, cert.PrivateKey)
 	if err != nil {
-		return E.From(err)
+		return err
 	}
 
 	expiries, err := getCertExpiries(&tlsCert)
 	if err != nil {
-		return E.From(err)
+		return err
 	}
 	p.tlsCert = &tlsCert
 	p.certExpiries = expiries
@@ -107,19 +142,19 @@ func (p *Provider) ObtainCert() E.Error {
 	return nil
 }
 
-func (p *Provider) LoadCert() E.Error {
+func (p *Provider) LoadCert() error {
 	cert, err := tls.LoadX509KeyPair(p.cfg.CertPath, p.cfg.KeyPath)
 	if err != nil {
-		return E.Errorf("load SSL certificate: %w", err)
+		return fmt.Errorf("load SSL certificate: %w", err)
 	}
 	expiries, err := getCertExpiries(&cert)
 	if err != nil {
-		return E.Errorf("parse SSL certificate: %w", err)
+		return fmt.Errorf("parse SSL certificate: %w", err)
 	}
 	p.tlsCert = &cert
 	p.certExpiries = expiries
 
-	logger.Info().Msgf("next renewal in %v", strutils.FormatDuration(time.Until(p.ShouldRenewOn())))
+	logging.Info().Msgf("next renewal in %v", strutils.FormatDuration(time.Until(p.ShouldRenewOn())))
 	return p.renewIfNeeded()
 }
 
@@ -132,35 +167,59 @@ func (p *Provider) ShouldRenewOn() time.Time {
 	panic("no certificate available")
 }
 
-func (p *Provider) ScheduleRenewal() {
+func (p *Provider) ScheduleRenewal(parent task.Parent) {
-	if p.GetName() == ProviderLocal {
+	if p.GetName() == ProviderLocal || p.GetName() == ProviderPseudo {
 		return
 	}
 	go func() {
-		task := task.GlobalTask("cert renew scheduler")
+		lastErrOn := time.Time{}
-		ticker := time.NewTicker(5 * time.Second)
+		renewalTime := p.ShouldRenewOn()
-		defer ticker.Stop()
+		timer := time.NewTimer(time.Until(renewalTime))
-		defer task.Finish("cert renew scheduler stopped")
+		defer timer.Stop()
+
+		task := parent.Subtask("cert-renew-scheduler")
+		defer task.Finish(nil)
+
 		for {
 			select {
 			case <-task.Context().Done():
 				return
-			case <-ticker.C: // check every 5 seconds
+			case <-timer.C:
-				if err := p.renewIfNeeded(); err != nil {
+				// Retry after 1 hour on failure
-					E.LogWarn("cert renew failed", err, &logger)
+				if !lastErrOn.IsZero() && time.Now().Before(lastErrOn.Add(time.Hour)) {
+					continue
 				}
+				if err := p.renewIfNeeded(); err != nil {
+					gperr.LogWarn("cert renew failed", err)
+					lastErrOn = time.Now()
+					notif.Notify(&notif.LogMessage{
+						Level: zerolog.ErrorLevel,
+						Title: "SSL certificate renewal failed",
+						Body:  notif.MessageBody(err.Error()),
+					})
+					continue
+				}
+				notif.Notify(&notif.LogMessage{
+					Level: zerolog.InfoLevel,
+					Title: "SSL certificate renewed",
+					Body:  notif.ListBody(p.cfg.Domains),
+				})
+				// Reset on success
+				lastErrOn = time.Time{}
+				renewalTime = p.ShouldRenewOn()
+				timer.Reset(time.Until(renewalTime))
 			}
 		}
 	}()
 }
 
-func (p *Provider) initClient() E.Error {
+func (p *Provider) initClient() error {
 	legoClient, err := lego.NewClient(p.legoCfg)
 	if err != nil {
-		return E.From(err)
+		return err
 	}
 
-	generator := providersGenMap[p.cfg.Provider]
+	generator := Providers[p.cfg.Provider]
 	legoProvider, pErr := generator(p.cfg.Options)
 	if pErr != nil {
 		return pErr
@@ -168,7 +227,7 @@ func (p *Provider) initClient() E.Error {
 
 	err = legoClient.Challenge.SetDNS01Provider(legoProvider)
 	if err != nil {
-		return E.From(err)
+		return err
 	}
 
 	p.client = legoClient
@@ -179,12 +238,18 @@ func (p *Provider) registerACME() error {
 	if p.user.Registration != nil {
 		return nil
 	}
+	if reg, err := p.client.Registration.ResolveAccountByKey(); err == nil {
+		p.user.Registration = reg
+		logging.Info().Msg("reused acme registration from private key")
+		return nil
+	}
+
 	reg, err := p.client.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
 	if err != nil {
 		return err
 	}
 	p.user.Registration = reg
-
+	logging.Info().Interface("reg", reg).Msg("acme registered")
 	return nil
 }
 
@@ -230,23 +295,23 @@ func (p *Provider) certState() CertState {
 	sort.Strings(certDomains)
 
 	if !reflect.DeepEqual(certDomains, wantedDomains) {
-		logger.Info().Msgf("cert domains mismatch: %v != %v", certDomains, p.cfg.Domains)
+		logging.Info().Msgf("cert domains mismatch: %v != %v", certDomains, p.cfg.Domains)
 		return CertStateMismatch
 	}
 
 	return CertStateValid
 }
 
-func (p *Provider) renewIfNeeded() E.Error {
+func (p *Provider) renewIfNeeded() error {
 	if p.cfg.Provider == ProviderLocal {
 		return nil
 	}
 
 	switch p.certState() {
 	case CertStateExpired:
-		logger.Info().Msg("certs expired, renewing")
+		logging.Info().Msg("certs expired, renewing")
 	case CertStateMismatch:
-		logger.Info().Msg("cert domains mismatch with config, renewing")
+		logging.Info().Msg("cert domains mismatch with config, renewing")
 	default:
 		return nil
 	}
@@ -271,18 +336,3 @@ func getCertExpiries(cert *tls.Certificate) (CertExpiries, error) {
 	}
 	return r, nil
 }
-
-func providerGenerator[CT any, PT challenge.Provider](
-	defaultCfg func() *CT,
-	newProvider func(*CT) (PT, error),
-) ProviderGenerator {
-	return func(opt types.AutocertProviderOpt) (challenge.Provider, E.Error) {
-		cfg := defaultCfg()
-		err := U.Deserialize(opt, cfg)
-		if err != nil {
-			return nil, err
-		}
-		p, pErr := newProvider(cfg)
-		return p, E.From(pErr)
-	}
-}

internal/autocert/provider_test/ovh_test.go

@@ -4,9 +4,9 @@ import (
 	"testing"
 
 	"github.com/go-acme/lego/v4/providers/dns/ovh"
-	U "github.com/yusing/go-proxy/internal/utils"
+	"github.com/goccy/go-yaml"
-	. "github.com/yusing/go-proxy/internal/utils/testing"
+	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"github.com/yusing/go-proxy/internal/utils"
 )
 
 // type Config struct {
@@ -44,7 +44,7 @@ oauth2_config:
 	}
 	testYaml = testYaml[1:] // remove first \n
 	opt := make(map[string]any)
-	ExpectNoError(t, yaml.Unmarshal([]byte(testYaml), opt))
+	require.NoError(t, yaml.Unmarshal([]byte(testYaml), &opt))
-	ExpectNoError(t, U.Deserialize(opt, cfg))
+	require.NoError(t, utils.MapUnmarshalValidate(opt, cfg))
-	ExpectDeepEqual(t, cfg, cfgExpected)
+	require.Equal(t, cfgExpected, cfg)
 }

internal/autocert/providers.go

@@ -0,0 +1,26 @@
+package autocert
+
+import (
+	"github.com/go-acme/lego/v4/challenge"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/utils"
+)
+
+type Generator func(map[string]any) (challenge.Provider, gperr.Error)
+
+var Providers = make(map[string]Generator)
+
+func DNSProvider[CT any, PT challenge.Provider](
+	defaultCfg func() *CT,
+	newProvider func(*CT) (PT, error),
+) Generator {
+	return func(opt map[string]any) (challenge.Provider, gperr.Error) {
+		cfg := defaultCfg()
+		err := utils.MapUnmarshalValidate(opt, &cfg)
+		if err != nil {
+			return nil, err
+		}
+		p, pErr := newProvider(cfg)
+		return p, gperr.Wrap(pErr)
+	}
+}