agola/internal/services/gateway/api/repos.go

91 lines
2.0 KiB
Go

// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"io"
"net/http"
"net/url"
"go.uber.org/zap"
"github.com/gorilla/mux"
)
type ReposHandler struct {
log *zap.SugaredLogger
gitServerURL string
}
func NewReposHandler(logger *zap.Logger, gitServerURL string) *ReposHandler {
return &ReposHandler{log: logger.Sugar(), gitServerURL: gitServerURL}
}
func (h *ReposHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
vars := mux.Vars(r)
path := vars["rest"]
u, err := url.Parse(h.gitServerURL)
if err != nil {
h.log.Errorf("err: %+v", err)
httpError(w, err)
return
}
u.Path = path
u.RawQuery = r.URL.RawQuery
defer r.Body.Close()
// proxy all the request body to the destination server
req, err := http.NewRequest(r.Method, u.String(), r.Body)
req = req.WithContext(ctx)
if err != nil {
h.log.Errorf("err: %+v", err)
httpError(w, err)
return
}
// copy request headers
for k, vv := range r.Header {
for _, v := range vv {
req.Header.Add(k, v)
}
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
h.log.Errorf("err: %+v", err)
httpError(w, err)
return
}
// copy response headers
for k, vv := range resp.Header {
for _, v := range vv {
w.Header().Add(k, v)
}
}
// copy status
w.WriteHeader(resp.StatusCode)
defer resp.Body.Close()
// copy response body
if _, err := io.Copy(w, resp.Body); err != nil {
h.log.Errorf("err: %+v", err)
httpError(w, err)
return
}
}