clients: supporting diferent protocols

1 files changed, 78 insertions, 0 deletions

diff --git a/clients/http/git_upload_pack.go b/clients/http/git_upload_pack.go
new file mode 100644
index 0000000..96dbdce
--- /dev/null
+++ b/clients/http/git_upload_pack.go
@@ -0,0 +1,78 @@
+package http
+
+import (
+	"io"
+	"net/http"
+	"strings"
+
+	"gopkg.in/src-d/go-git.v2/clients/common"
+	"gopkg.in/src-d/go-git.v2/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) {
+	res, err := s.doRequest("GET", common.GitUploadPackServiceName, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	defer res.Body.Close()
+
+	dec := pktline.NewDecoder(res.Body)
+	return common.NewGitUploadPackInfo(dec)
+}
+
+func (s *GitUploadPackService) doRequest(method, service string, content *strings.Reader) (*http.Response, error) {
+	var body io.Reader
+	if content != nil {
+		body = content
+	}
+
+	req, err := http.NewRequest(method, s.endpoint.Service(service), body)
+	if err != nil {
+		return nil, err
+	}
+
+	s.applyHeadersToRequest(req, content)
+
+	res, err := s.Client.Do(req)
+	if err != nil {
+		return nil, 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()))
+	}
+}