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support '0' listening port, readme update, showcase added

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65
README.md
View file

@ -24,22 +24,23 @@ A lightweight, easy-to-use, and [performant](docs/benchmark_result.md) reverse p
- [Use JSON Schema in VSCode](#use-json-schema-in-vscode)
- [Config File](#config-file)
- [Provider File](#provider-file)
- [Known issues](#known-issues)
- [Showcase](#showcase)
- [idlesleeper](#idlesleeper)
- [Build it yourself](#build-it-yourself)
## Key Points
- Easy to use
- Effortless configuration
- Error messages is clear and detailed, easy troubleshooting
- Auto certificate obtaining and renewal (See [Supported DNS Challenge Providers](docs/dns_providers.md))
- Auto configuration for docker containers
- Auto hot-reload on container state / config file changes
- Stop containers on idle, wake it up on traffic _(optional)_
- HTTP(s) reserve proxy
- TCP and UDP port forwarding
- Web UI for configuration and monitoring (See [screenshots](https://github.com/yusing/go-proxy-frontend?tab=readme-ov-file#screenshots))
- Written in **[Go](https://go.dev)**
- Easy to use
- Effortless configuration
- Error messages is clear and detailed, easy troubleshooting
- Auto certificate obtaining and renewal (See [Supported DNS Challenge Providers](docs/dns_providers.md))
- Auto configuration for docker containers
- Auto hot-reload on container state / config file changes
- Stop containers on idle, wake it up on traffic _(optional, see [showcase](#idlesleeper))_
- HTTP(s) reserve proxy
- TCP and UDP port forwarding
- Web UI for configuration and monitoring (See [screenshots](https://github.com/yusing/go-proxy-frontend?tab=readme-ov-file#screenshots))
- Written in **[Go](https://go.dev)**
[🔼Back to top](#table-of-content)
@ -49,16 +50,16 @@ A lightweight, easy-to-use, and [performant](docs/benchmark_result.md) reverse p
1. Setup DNS Records, e.g.
- A Record: `*.y.z` -> `10.0.10.1`
- AAAA Record: `*.y.z` -> `::ffff:a00:a01`
- A Record: `*.y.z` -> `10.0.10.1`
- AAAA Record: `*.y.z` -> `::ffff:a00:a01`
2. Setup `go-proxy` [See here](docs/docker.md)
3. Setup `docker-socket-proxy` (see [example](docs/docker_socket_proxy.md) other machine that is running docker (if any)
4. Configure `go-proxy`
- with text editor (e.g. Visual Studio Code)
- or with web config editor via `http://gp.y.z`
- with text editor (e.g. Visual Studio Code)
- or with web config editor via `http://gp.y.z`
[🔼Back to top](#table-of-content)
@ -97,21 +98,21 @@ See [config.example.yml](config.example.yml) for more
```yaml
# autocert configuration
autocert:
email: # ACME Email
domains: # a list of domains for cert registration
provider: # DNS Challenge provider
options: # provider specific options
- ...
email: # ACME Email
domains: # a list of domains for cert registration
provider: # DNS Challenge provider
options: # provider specific options
- ...
# reverse proxy providers configuration
providers:
include:
- providers.yml
- other_file_1.yml
- ...
docker:
local: $DOCKER_HOST
remote-1: tcp://10.0.2.1:2375
remote-2: ssh://root:1234@10.0.2.2
include:
- providers.yml
- other_file_1.yml
- ...
docker:
local: $DOCKER_HOST
remote-1: tcp://10.0.2.1:2375
remote-2: ssh://root:1234@10.0.2.2
```
[🔼Back to top](#table-of-content)
@ -124,9 +125,11 @@ See [providers.example.yml](providers.example.yml) for examples
[🔼Back to top](#table-of-content)
## Known issues
## Showcase
- `autocert` config is not hot-reloadable
### idlesleeper
![idlesleeper](showcase/idlesleeper.webp)
[🔼Back to top](#table-of-content)

65
README_CHT.md
View file

@ -22,22 +22,23 @@
- [VSCode 中使用 JSON Schema](#vscode-中使用-json-schema)
- [配置文件](#配置文件)
- [透過文件配置](#透過文件配置)
- [已知問題](#已知問題)
- [展示](#展示)
- [idlesleeper](#idlesleeper)
- [源碼編譯](#源碼編譯)
## 重點
- 易用
- 不需花費太多時間就能輕鬆配置
- 除錯簡單
- 自動處理 HTTPS 證書（參見[可用的 DNS 供應商](docs/dns_providers.md)）
- 透過 Docker 容器自動配置
- 容器狀態變更時自動熱重載
- 容器閒置時自動暫停/停止，入站時自動喚醒
- HTTP(s)反向代理
- TCP/UDP 端口轉發
- 用於配置和監控的前端 Web 面板（[截圖](https://github.com/yusing/go-proxy-frontend?tab=readme-ov-file#screenshots)）
- 使用 **[Go](https://go.dev)** 編寫
- 易用
- 不需花費太多時間就能輕鬆配置
- 除錯簡單
- 自動處理 HTTPS 證書（參見[可用的 DNS 供應商](docs/dns_providers.md)）
- 透過 Docker 容器自動配置
- 容器狀態變更時自動熱重載
- 容器閒置時自動暫停/停止，入站時自動喚醒
- HTTP(s)反向代理
- TCP/UDP 端口轉發
- 用於配置和監控的前端 Web 面板（[截圖](https://github.com/yusing/go-proxy-frontend?tab=readme-ov-file#screenshots)）
- 使用 **[Go](https://go.dev)** 編寫
[🔼 返回頂部](#目錄)
@ -47,14 +48,14 @@
1. 設置 DNS 記錄，例如：
- A 記錄: `*.y.z` -> `10.0.10.1`
- AAAA 記錄: `*.y.z` -> `::ffff:a00:a01`
- A 記錄: `*.y.z` -> `10.0.10.1`
- AAAA 記錄: `*.y.z` -> `::ffff:a00:a01`
2. 安裝 `go-proxy` [參見這裡](docs/docker.md)
3. 配置 `go-proxy`
- 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://gp.y.z` 使用網頁配置編輯器
- 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://gp.y.z` 使用網頁配置編輯器
[🔼 返回頂部](#目錄)
@ -93,21 +94,21 @@
```yaml
# autocert 配置
autocert:
email: # ACME 電子郵件
domains: # 域名列表
provider: # DNS 供應商
options: # 供應商個別配置
- ...
email: # ACME 電子郵件
domains: # 域名列表
provider: # DNS 供應商
options: # 供應商個別配置
- ...
# 配置文件 / docker
providers:
include:
- providers.yml
- other_file_1.yml
- ...
docker:
local: $DOCKER_HOST
remote-1: tcp://10.0.2.1:2375
remote-2: ssh://root:1234@10.0.2.2
include:
- providers.yml
- other_file_1.yml
- ...
docker:
local: $DOCKER_HOST
remote-1: tcp://10.0.2.1:2375
remote-2: ssh://root:1234@10.0.2.2
```
[🔼 返回頂部](#目錄)
@ -120,9 +121,11 @@ providers:
[🔼 返回頂部](#目錄)
## 已知問題
## 展示
- `autocert` 配置不能熱重載
### idlesleeper
![idlesleeper](showcase/idlesleeper.webp)
[🔼 返回頂部](#目錄)

306
docs/docker.md
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@ -20,9 +20,9 @@
1. Install `wget` if not already
- Ubuntu based: `sudo apt install -y wget`
- Fedora based: `sudo yum install -y wget`
- Arch based: `sudo pacman -Sy wget`
- Ubuntu based: `sudo apt install -y wget`
- Fedora based: `sudo yum install -y wget`
- Arch based: `sudo pacman -Sy wget`
2. Run setup script
@ -57,20 +57,20 @@
```yaml
autocert:
email: john.doe@x.y.z # ACME Email
domains: # a list of domains for cert registration
- x.y.z
provider: cloudflare
options:
- auth_token: c1234565789-abcdefghijklmnopqrst # your zone API token
email: john.doe@x.y.z # ACME Email
domains: # a list of domains for cert registration
- x.y.z
provider: cloudflare
options:
- auth_token: c1234565789-abcdefghijklmnopqrst # your zone API token
```
To use **existing certificate**, set path for cert and key in `config.yml`, e.g.
```yaml
autocert:
cert_path: /app/certs/cert.crt
key_path: /app/certs/priv.key
cert_path: /app/certs/cert.crt
key_path: /app/certs/priv.key
```
5. Modify `compose.yml` to fit your needs
@ -85,31 +85,31 @@
### Syntax
| Label | Description | Default | Accepted values |
| ------------------------ | --------------------------------------------------------------------- | -------------------- | ------------------------------------------------------------------------- |
| `proxy.aliases` | comma separated aliases for subdomain and label matching | `container_name` | any |
| `proxy.exclude` | to be excluded from `go-proxy` | false | boolean |
| `proxy.idle_timeout` | time for idle (no traffic) before put it into sleep **(http/s only)** | empty **(disabled)** | `number[unit]...`, e.g. `1m30s` |
| `proxy.wake_timeout` | time to wait for container to start before responding a loading page | empty | `number[unit]...` |
| `proxy.stop_method` | method to stop after `idle_timeout` | `stop` | `stop`, `pause`, `kill` |
| `proxy.stop_timeout` | time to wait for stop command | `10s` | `number[unit]...` |
| `proxy.stop_signal` | signal sent to container for `stop` and `kill` methods | docker's default | `SIGINT`, `SIGTERM`, `SIGHUP`, `SIGQUIT` and those without **SIG** prefix |
| `proxy.<alias>.<field>` | set field for specific alias | N/A | N/A |
| `proxy.$<index>.<field>` | set field for specific alias at index (starting from **1**) | N/A | N/A |
| `proxy.*.<field>` | set field for all aliases | N/A | N/A |
| Label | Description | Example | Default | Accepted values |
| ------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------ | --------------------------- | ------------------------------------------------------------------------- |
| `proxy.aliases` | comma separated aliases for subdomain and label matching | `gitlab,gitlab-reg,gitlab-ssh` | `container_name` | any |
| `proxy.exclude` | to be excluded from `go-proxy` | | false | boolean |
| `proxy.idle_timeout` | time for idle (no traffic) before put it into sleep **(http/s only)**<br> _**NOTE: idlewatcher will only be enabled containers that has non-empty `idle_timeout`**_ | `1h` | empty or `0` **(disabled)** | `number[unit]...`, e.g. `1m30s` |
| `proxy.wake_timeout` | time to wait for target site to be ready | | `10s` | `number[unit]...` |
| `proxy.stop_method` | method to stop after `idle_timeout` | | `stop` | `stop`, `pause`, `kill` |
| `proxy.stop_timeout` | time to wait for stop command | | `10s` | `number[unit]...` |
| `proxy.stop_signal` | signal sent to container for `stop` and `kill` methods | | docker's default | `SIGINT`, `SIGTERM`, `SIGHUP`, `SIGQUIT` and those without **SIG** prefix |
| `proxy.<alias>.<field>` | set field for specific alias | `proxy.gitlab-ssh.scheme` | N/A | N/A |
| `proxy.$<index>.<field>` | set field for specific alias at index (starting from **1**) | `proxy.$3.port` | N/A | N/A |
| `proxy.*.<field>` | set field for all aliases | `proxy.*.set_headers` | N/A | N/A |
### Fields
| Field | Description | Default | Allowed Values / Syntax |
| --------------------- | ---------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `scheme` | proxy protocol | <ul><li>`http` for numeric port</li><li>`tcp` for `x:y` port</li></ul> | `http`, `https`, `tcp`, `udp` |
| `host` | proxy host | <ul><li>Docker: docker client IP / hostname </li><li>File: `localhost`</li></ul> | IP address, hostname |
| `port` | proxy port **(http/s)** | first port in `ports:` | number in range of `1 - 65535` |
| `port` **(required)** | proxy port **(tcp/udp)** | N/A | `x:y` <br><ul><li>x: port for `go-proxy` to listen on</li><li>y: port or [_service name_](../src/common/constants.go#L55) of target container</li></ul> |
| `no_tls_verify` | whether skip tls verify **(https only)** | `false` | boolean |
| `path_patterns` | proxy path patterns **(http/s only)**<br> only requests that matched a pattern will be proxied | empty **(proxy all requests)** | yaml style list[<sup>1</sup>](#list-example) of path patterns ([syntax](https://pkg.go.dev/net/http#hdr-Patterns-ServeMux)) |
| `set_headers` | header to set **(http/s only)** | empty | yaml style key-value mapping[<sup>2</sup>](#key-value-mapping-example) of header-value pairs |
| `hide_headers` | header to hide **(http/s only)** | empty | yaml style list[<sup>1</sup>](#list-example) of headers |
| Field | Description | Default | Allowed Values / Syntax |
| --------------------- | ---------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `scheme` | proxy protocol | <ul><li>`http` for numeric port</li><li>`tcp` for `x:y` port</li></ul> | `http`, `https`, `tcp`, `udp` |
| `host` | proxy host | <ul><li>Docker: docker client IP / hostname </li><li>File: `localhost`</li></ul> | IP address, hostname |
| `port` | proxy port **(http/s)** | first port returned from docker | number in range of `1 - 65535` |
| `port` **(required)** | proxy port **(tcp/udp)** | N/A | `x:y` <br><ul><li>**x**: port for `go-proxy` to listen on.<br>**x** can be 0, which means listen on a random port</li><li>**y**: port or [_service name_](../src/common/constants.go#L55) of target container</li></ul> |
| `no_tls_verify` | whether skip tls verify **(https only)** | `false` | boolean |
| `path_patterns` | proxy path patterns **(http/s only)**<br> only requests that matched a pattern will be proxied | empty **(proxy all requests)** | yaml style list[<sup>1</sup>](#list-example) of ([path patterns](https://pkg.go.dev/net/http#hdr-Patterns-ServeMux)) |
| `set_headers` | header to set **(http/s only)** | empty | yaml style key-value mapping[<sup>2</sup>](#key-value-mapping-example) of header-value pairs |
| `hide_headers` | header to hide **(http/s only)** | empty | yaml style list[<sup>1</sup>](#list-example) of headers |
[🔼Back to top](#table-of-content)
@ -134,11 +134,11 @@ File Provider
```yaml
service_a:
host: service_a.internal
set_headers:
# do not duplicate header keys, as it is not allowed in YAML
X-Custom-Header1: value1, value2
X-Custom-Header2: value3
host: service_a.internal
set_headers:
# do not duplicate header keys, as it is not allowed in YAML
X-Custom-Header1: value1, value2
X-Custom-Header2: value3
```
[🔼Back to top](#table-of-content)
@ -164,52 +164,52 @@ File Provider
```yaml
service_a:
host: service_a.internal
path_patterns:
- GET /
- POST /auth
hide_headers:
- X-Custom-Header1
- X-Custom-Header2
host: service_a.internal
path_patterns:
- GET /
- POST /auth
hide_headers:
- X-Custom-Header1
- X-Custom-Header2
```
[🔼Back to top](#table-of-content)
## Troubleshooting
- Container not showing up in proxies list
- Container not showing up in proxies list
Please check that either `ports` or label `proxy.<alias>.port` is declared, e.g.
Please check that either `ports` or label `proxy.<alias>.port` is declared, e.g.
```yaml
services:
nginx-1: # Option 1
...
ports:
- 80
nginx-2: # Option 2
...
container_name: nginx-2
network_mode: host
labels:
proxy.nginx-2.port: 80
```
```yaml
services:
nginx-1: # Option 1
...
ports:
- 80
nginx-2: # Option 2
...
container_name: nginx-2
network_mode: host
labels:
proxy.nginx-2.port: 80
```
- Firewall issues
- Firewall issues
If you are using `ufw` with vpn that drop all inbound traffic except vpn, run below:
If you are using `ufw` with vpn that drop all inbound traffic except vpn, run below:
`sudo ufw allow from 172.16.0.0/16 to 100.64.0.0/10`
`sudo ufw allow from 172.16.0.0/16 to 100.64.0.0/10`
Explaination:
Explaination:
Docker network is usually `172.16.0.0/16`
Docker network is usually `172.16.0.0/16`
Tailscale is used as an example, `100.64.0.0/10` will be the CIDR
Tailscale is used as an example, `100.64.0.0/10` will be the CIDR
You can also list CIDRs of all docker bridge networks by:
You can also list CIDRs of all docker bridge networks by:
`docker network inspect $(docker network ls | awk '$3 == "bridge" { print $1}') | jq -r '.[] | .Name + " " + .IPAM.Config[0].Subnet' -`
`docker network inspect $(docker network ls | awk '$3 == "bridge" { print $1}') | jq -r '.[] | .Name + " " + .IPAM.Config[0].Subnet' -`
[🔼Back to top](#table-of-content)
@ -219,97 +219,97 @@ More examples in [here](examples/)
```yaml
volumes:
adg-work:
adg-conf:
mc-data:
palworld:
nginx:
adg-work:
adg-conf:
mc-data:
palworld:
nginx:
services:
adg:
image: adguard/adguardhome
restart: unless-stopped
labels:
- proxy.aliases=adg,adg-dns,adg-setup
- proxy.$1.port=80
- proxy.$2.scheme=udp
- proxy.$2.port=20000:dns
- proxy.$3.port=3000
volumes:
- adg-work:/opt/adguardhome/work
- adg-conf:/opt/adguardhome/conf
ports:
- 80
- 3000
- 53/udp
mc:
image: itzg/minecraft-server
tty: true
stdin_open: true
container_name: mc
restart: unless-stopped
ports:
- 25565
labels:
- proxy.mc.port=20001:25565
environment:
- EULA=TRUE
volumes:
- mc-data:/data
palworld:
image: thijsvanloef/palworld-server-docker:latest
restart: unless-stopped
container_name: pal
stop_grace_period: 30s
ports:
- 8211/udp
- 27015/udp
labels:
- proxy.aliases=pal1,pal2
- proxy.*.scheme=udp
- proxy.$1.port=20002:8211
- proxy.$2.port=20003:27015
environment: ...
volumes:
- palworld:/palworld
nginx:
image: nginx
container_name: nginx
volumes:
- nginx:/usr/share/nginx/html
ports:
- 80
labels:
proxy.idle_timeout: 1m
go-proxy:
image: ghcr.io/yusing/go-proxy:latest
container_name: go-proxy
restart: always
network_mode: host
volumes:
- ./config:/app/config
- /var/run/docker.sock:/var/run/docker.sock
go-proxy-frontend:
image: ghcr.io/yusing/go-proxy-frontend:latest
container_name: go-proxy-frontend
restart: unless-stopped
network_mode: host
labels:
- proxy.aliases=gp
- proxy.gp.port=3000
depends_on:
- go-proxy
adg:
image: adguard/adguardhome
restart: unless-stopped
labels:
- proxy.aliases=adg,adg-dns,adg-setup
- proxy.$1.port=80
- proxy.$2.scheme=udp
- proxy.$2.port=20000:dns
- proxy.$3.port=3000
volumes:
- adg-work:/opt/adguardhome/work
- adg-conf:/opt/adguardhome/conf
ports:
- 80
- 3000
- 53/udp
mc:
image: itzg/minecraft-server
tty: true
stdin_open: true
container_name: mc
restart: unless-stopped
ports:
- 25565
labels:
- proxy.mc.port=20001:25565
environment:
- EULA=TRUE
volumes:
- mc-data:/data
palworld:
image: thijsvanloef/palworld-server-docker:latest
restart: unless-stopped
container_name: pal
stop_grace_period: 30s
ports:
- 8211/udp
- 27015/udp
labels:
- proxy.aliases=pal1,pal2
- proxy.*.scheme=udp
- proxy.$1.port=20002:8211
- proxy.$2.port=20003:27015
environment: ...
volumes:
- palworld:/palworld
nginx:
image: nginx
container_name: nginx
volumes:
- nginx:/usr/share/nginx/html
ports:
- 80
labels:
proxy.idle_timeout: 1m
go-proxy:
image: ghcr.io/yusing/go-proxy:latest
container_name: go-proxy
restart: always
network_mode: host
volumes:
- ./config:/app/config
- /var/run/docker.sock:/var/run/docker.sock
go-proxy-frontend:
image: ghcr.io/yusing/go-proxy-frontend:latest
container_name: go-proxy-frontend
restart: unless-stopped
network_mode: host
labels:
- proxy.aliases=gp
- proxy.gp.port=3000
depends_on:
- go-proxy
```
[🔼Back to top](#table-of-content)
### Services URLs for above examples
- `gp.yourdomain.com`: go-proxy web panel
- `adg-setup.yourdomain.com`: adguard setup (first time setup)
- `adg.yourdomain.com`: adguard dashboard
- `nginx.yourdomain.com`: nginx
- `yourdomain.com:2000`: adguard dns (udp)
- `yourdomain.com:20001`: minecraft server
- `yourdomain.com:20002`: palworld server
- `gp.yourdomain.com`: go-proxy web panel
- `adg-setup.yourdomain.com`: adguard setup (first time setup)
- `adg.yourdomain.com`: adguard dashboard
- `nginx.yourdomain.com`: nginx
- `yourdomain.com:2000`: adguard dns (udp)
- `yourdomain.com:20001`: minecraft server
- `yourdomain.com:20002`: palworld server
[🔼Back to top](#table-of-content)

40
providers.example.yml
View file

@ -1,22 +1,22 @@
example: # matching `app.y.z`
scheme: https
host: 10.0.0.1
port: 80
path_patterns: # Check https://pkg.go.dev/net/http#hdr-Patterns-ServeMux for syntax
- GET / # accept any GET request
- POST /auth # for /auth and /auth/* accept only POST
- GET /home/{$}
- /b/{bucket}/o/{any}
no_tls_verify: false
set_headers:
HEADER_A: VALUE_A, VALUE_B
HEADER_B: VALUE_C
hide_headers:
- HEADER_C
- HEADER_D
app1:
host: some_host
scheme: https
host: 10.0.0.1
port: 80
path_patterns: # Check https://pkg.go.dev/net/http#hdr-Patterns-ServeMux for syntax
- GET / # accept any GET request
- POST /auth # for /auth and /auth/* accept only POST
- GET /home/{$}
- /b/{bucket}/o/{any}
no_tls_verify: false
set_headers:
HEADER_A: VALUE_A, VALUE_B
HEADER_B: VALUE_C
hide_headers:
- HEADER_C
- HEADER_D
app1: # app1 -> localhost:8080
port: 8080
app2:
scheme: tcp
host: 10.0.0.2
port: 20000:tcp
scheme: tcp
host: 10.0.0.2
port: 20000:tcp

15
schema/providers.schema.json
View file

@ -75,7 +75,10 @@
"scheme": {
"anyOf": [
{
"enum": ["http", "https"]
"enum": [
"http",
"https"
]
},
{
"type": "null"
@ -87,7 +90,7 @@
"then": {
"properties": {
"port": {
"markdownDescription": "Proxy port from **1** to **65535**",
"markdownDescription": "Proxy port from **0** to **65535**",
"oneOf": [
{
"type": "string",
@ -96,7 +99,7 @@
},
{
"type": "integer",
"minimum": 1,
"minimum": 0,
"maximum": 65535
}
]
@ -160,7 +163,9 @@
"not": true
}
},
"required": ["port"]
"required": [
"port"
]
}
},
{
@ -192,4 +197,4 @@
}
},
"additionalProperties": false
}
}

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3
src/route/tcp_route.go
View file

@ -7,6 +7,7 @@ import (
"sync"
"time"
T "github.com/yusing/go-proxy/proxy/fields"
U "github.com/yusing/go-proxy/utils"
)
@ -35,6 +36,8 @@ func (route *TCPRoute) Setup() error {
if err != nil {
return err
}
//! this read the allocated port from orginal ':0'
route.Port.ListeningPort = T.Port(in.Addr().(*net.TCPAddr).Port)
route.listener = in
return nil
}

4
src/route/udp_route.go
View file

@ -5,6 +5,7 @@ import (
"io"
"net"
T "github.com/yusing/go-proxy/proxy/fields"
U "github.com/yusing/go-proxy/utils"
F "github.com/yusing/go-proxy/utils/functional"
)
@ -50,6 +51,9 @@ func (route *UDPRoute) Setup() error {
return err
}
//! this read the allocated listeningPort from orginal ':0'
route.Port.ListeningPort = T.Port(laddr.Port)
route.listeningConn = source
route.targetAddr = raddr
return nil

14
src/utils/string.go
View file

@ -1,6 +1,10 @@
package utils
import "strings"
import (
"net/url"
"strconv"
"strings"
)
func CommaSeperatedList(s string) []string {
res := strings.Split(s, ",")
@ -9,3 +13,11 @@ func CommaSeperatedList(s string) []string {
}
return res
}
func ExtractPort(fullURL string) (int, error) {
url, err := url.Parse(fullURL)
if err != nil {
return 0, err
}
return strconv.Atoi(url.Port())
}