package http import ( "fmt" "io" "net/http" "strings" "gopkg.in/src-d/go-git.v2/clients/common" "gopkg.in/src-d/go-git.v2/formats/pktline" ) type GitUploadPackService struct { Client *http.Client endpoint common.Endpoint } func NewGitUploadPackService() *GitUploadPackService { return &GitUploadPackService{ Client: http.DefaultClient, } } func (s *GitUploadPackService) Connect(url common.Endpoint) error { s.endpoint = url return nil } func (s *GitUploadPackService) Info() (*common.GitUploadPackInfo, error) { url := fmt.Sprintf("%s/info/refs?service=%s", s.endpoint, common.GitUploadPackServiceName) res, err := s.doRequest("GET", url, nil) if err != nil { return nil, err } defer res.Body.Close() dec := pktline.NewDecoder(res.Body) return common.NewGitUploadPackInfo(dec) } func (s *GitUploadPackService) Fetch(r *common.GitUploadPackRequest) (io.ReadCloser, error) { url := fmt.Sprintf("%s/%s", s.endpoint, common.GitUploadPackServiceName) res, err := s.doRequest("POST", url, r.Reader()) if err != nil { return nil, err } h := make([]byte, 8) if _, err := res.Body.Read(h); err != nil { return nil, common.NewUnexpectedError(err) } return res.Body, nil } func (s *GitUploadPackService) doRequest(method, url string, content *strings.Reader) (*http.Response, error) { var body io.Reader if content != nil { body = content } req, err := http.NewRequest(method, url, body) if err != nil { return nil, common.NewPermanentError(err) } s.applyHeadersToRequest(req, content) res, err := s.Client.Do(req) if err != nil { return nil, common.NewUnexpectedError(err) } if err := NewHTTPError(res); err != nil { return nil, err } return res, nil } func (s *GitUploadPackService) applyHeadersToRequest(req *http.Request, content *strings.Reader) { req.Header.Add("User-Agent", "git/1.0") req.Header.Add("Host", "github.com") if content == nil { req.Header.Add("Accept", "*/*") } else { req.Header.Add("Accept", "application/x-git-upload-pack-result") req.Header.Add("Content-Type", "application/x-git-upload-pack-request") req.Header.Add("Content-Length", string(content.Len())) } }