GoDoxy/internal/api/handler.go

63 lines
2.1 KiB
Go

package api
import (
"fmt"
"net/http"
v1 "github.com/yusing/go-proxy/internal/api/v1"
"github.com/yusing/go-proxy/internal/api/v1/error_page"
. "github.com/yusing/go-proxy/internal/api/v1/utils"
"github.com/yusing/go-proxy/internal/common"
"github.com/yusing/go-proxy/internal/config"
)
type ServeMux struct{ *http.ServeMux }
func NewServeMux() ServeMux {
return ServeMux{http.NewServeMux()}
}
func (mux ServeMux) HandleFunc(method, endpoint string, handler http.HandlerFunc) {
mux.ServeMux.HandleFunc(fmt.Sprintf("%s %s", method, endpoint), checkHost(handler))
}
func NewHandler(cfg *config.Config) http.Handler {
mux := NewServeMux()
mux.HandleFunc("GET", "/v1", v1.Index)
mux.HandleFunc("GET", "/v1/version", v1.GetVersion)
mux.HandleFunc("GET", "/v1/checkhealth", wrap(cfg, v1.CheckHealth))
mux.HandleFunc("HEAD", "/v1/checkhealth", wrap(cfg, v1.CheckHealth))
mux.HandleFunc("POST", "/v1/reload", wrap(cfg, v1.Reload))
mux.HandleFunc("GET", "/v1/list", wrap(cfg, v1.List))
mux.HandleFunc("GET", "/v1/list/{what}", wrap(cfg, v1.List))
mux.HandleFunc("GET", "/v1/file", v1.GetFileContent)
mux.HandleFunc("GET", "/v1/file/{filename...}", v1.GetFileContent)
mux.HandleFunc("POST", "/v1/file/{filename...}", v1.SetFileContent)
mux.HandleFunc("PUT", "/v1/file/{filename...}", v1.SetFileContent)
mux.HandleFunc("GET", "/v1/stats", wrap(cfg, v1.Stats))
mux.HandleFunc("GET", "/v1/stats/ws", wrap(cfg, v1.StatsWS))
mux.HandleFunc("GET", "/v1/error_page", error_page.GetHandleFunc())
return mux
}
// allow only requests to API server with host matching common.APIHTTPAddr
func checkHost(f http.HandlerFunc) http.HandlerFunc {
if common.IsDebug {
return f
}
return func(w http.ResponseWriter, r *http.Request) {
if r.Host != common.APIHTTPAddr {
Logger.Warnf("invalid request to API server with host: %s, expect %s", r.Host, common.APIHTTPAddr)
w.WriteHeader(http.StatusForbidden)
w.Write([]byte("invalid request"))
return
}
f(w, r)
}
}
func wrap(cfg *config.Config, f func(cfg *config.Config, w http.ResponseWriter, r *http.Request)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
f(cfg, w, r)
}
}