implement godoxy-agent

agent/pkg/handler/handler.go

@@ -0,0 +1,50 @@
+package handler
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/yusing/go-proxy/agent/pkg/agent"
+	"github.com/yusing/go-proxy/agent/pkg/env"
+	v1 "github.com/yusing/go-proxy/internal/api/v1"
+	"github.com/yusing/go-proxy/internal/logging/memlogger"
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type ServeMux struct{ *http.ServeMux }
+
+func (mux ServeMux) HandleMethods(methods, endpoint string, handler http.HandlerFunc) {
+	for _, m := range strutils.CommaSeperatedList(methods) {
+		mux.ServeMux.HandleFunc(m+" "+agent.APIEndpointBase+endpoint, handler)
+	}
+}
+
+func (mux ServeMux) HandleFunc(endpoint string, handler http.HandlerFunc) {
+	mux.ServeMux.HandleFunc(agent.APIEndpointBase+endpoint, handler)
+}
+
+type NopWriteCloser struct {
+	io.Writer
+}
+
+func (NopWriteCloser) Close() error {
+	return nil
+}
+
+func NewHandler(caCertPEM []byte) http.Handler {
+	mux := ServeMux{http.NewServeMux()}
+
+	mux.HandleFunc(agent.EndpointProxyHTTP+"/{path...}", ProxyHTTP)
+	mux.HandleMethods("GET", agent.EndpointVersion, v1.GetVersion)
+	mux.HandleMethods("GET", agent.EndpointName, func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, env.AgentName)
+	})
+	mux.HandleMethods("GET", agent.EndpointCACert, func(w http.ResponseWriter, r *http.Request) {
+		w.Write(caCertPEM)
+	})
+	mux.HandleMethods("GET", agent.EndpointHealth, CheckHealth)
+	mux.HandleMethods("GET", agent.EndpointLogs, memlogger.LogsWS(nil))
+	mux.ServeMux.HandleFunc("/", DockerSocketHandler())
+	return mux
+}