refactor: remove forward auth, move module net/http to net/gphttp

internal/net/gphttp/middleware/trace.go

@@ -0,0 +1,87 @@
+package middleware
+
+import (
+	"net/http"
+	"sync"
+
+	"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
+)
+
+type (
+	Trace struct {
+		Time        string            `json:"time,omitempty"`
+		Caller      string            `json:"caller,omitempty"`
+		URL         string            `json:"url,omitempty"`
+		Message     string            `json:"msg"`
+		ReqHeaders  map[string]string `json:"req_headers,omitempty"`
+		RespHeaders map[string]string `json:"resp_headers,omitempty"`
+		RespStatus  int               `json:"resp_status,omitempty"`
+		Additional  map[string]any    `json:"additional,omitempty"`
+	}
+	Traces []*Trace
+)
+
+var (
+	traces   = make(Traces, 0)
+	tracesMu sync.Mutex
+)
+
+const MaxTraceNum = 100
+
+func GetAllTrace() []*Trace {
+	return traces
+}
+
+func (tr *Trace) WithRequest(req *http.Request) *Trace {
+	if tr == nil {
+		return nil
+	}
+	tr.URL = req.RequestURI
+	tr.ReqHeaders = httpheaders.HeaderToMap(req.Header)
+	return tr
+}
+
+func (tr *Trace) WithResponse(resp *http.Response) *Trace {
+	if tr == nil {
+		return nil
+	}
+	tr.URL = resp.Request.RequestURI
+	tr.ReqHeaders = httpheaders.HeaderToMap(resp.Request.Header)
+	tr.RespHeaders = httpheaders.HeaderToMap(resp.Header)
+	tr.RespStatus = resp.StatusCode
+	return tr
+}
+
+func (tr *Trace) With(what string, additional any) *Trace {
+	if tr == nil {
+		return nil
+	}
+
+	if tr.Additional == nil {
+		tr.Additional = map[string]any{}
+	}
+	tr.Additional[what] = additional
+	return tr
+}
+
+func (tr *Trace) WithError(err error) *Trace {
+	if tr == nil {
+		return nil
+	}
+
+	if tr.Additional == nil {
+		tr.Additional = map[string]any{}
+	}
+	tr.Additional["error"] = err.Error()
+	return tr
+}
+
+func addTrace(t *Trace) *Trace {
+	tracesMu.Lock()
+	defer tracesMu.Unlock()
+	if len(traces) > MaxTraceNum {
+		traces = traces[1:]
+	}
+	traces = append(traces, t)
+	return t
+}