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-rw-r--r--plumbing/transport/http/common.go73
-rw-r--r--plumbing/transport/http/receive_pack.go75
-rw-r--r--plumbing/transport/http/receive_pack_test.go122
-rw-r--r--plumbing/transport/http/upload_pack.go73
4 files changed, 266 insertions, 77 deletions
diff --git a/plumbing/transport/http/common.go b/plumbing/transport/http/common.go
index 04b6121..6b40d42 100644
--- a/plumbing/transport/http/common.go
+++ b/plumbing/transport/http/common.go
@@ -2,14 +2,69 @@
package http
import (
+ "bytes"
"fmt"
"net/http"
+ "strconv"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp"
"gopkg.in/src-d/go-git.v4/plumbing/transport"
)
+// it requires a bytes.Buffer, because we need to know the length
+func applyHeadersToRequest(req *http.Request, content *bytes.Buffer, host string, requestType string) {
+ req.Header.Add("User-Agent", "git/1.0")
+ req.Header.Add("Host", host) // host:port
+
+ if content == nil {
+ req.Header.Add("Accept", "*/*")
+ return
+ }
+
+ req.Header.Add("Accept", fmt.Sprintf("application/x-%s-result", requestType))
+ req.Header.Add("Content-Type", fmt.Sprintf("application/x-%s-request", requestType))
+ req.Header.Add("Content-Length", strconv.Itoa(content.Len()))
+}
+
+func advertisedReferences(s *session, serviceName string) (*packp.AdvRefs, error) {
+ url := fmt.Sprintf(
+ "%s/info/refs?service=%s",
+ s.endpoint.String(), serviceName,
+ )
+
+ req, err := http.NewRequest(http.MethodGet, url, nil)
+ if err != nil {
+ return nil, err
+ }
+
+ s.applyAuthToRequest(req)
+ applyHeadersToRequest(req, nil, s.endpoint.Host(), serviceName)
+ res, err := s.client.Do(req)
+ if err != nil {
+ return nil, err
+ }
+
+ if err := NewErr(res); err != nil {
+ _ = res.Body.Close()
+ return nil, err
+ }
+
+ ar := packp.NewAdvRefs()
+ if err := ar.Decode(res.Body); err != nil {
+ if err == packp.ErrEmptyAdvRefs {
+ err = transport.ErrEmptyRemoteRepository
+ }
+
+ return nil, err
+ }
+
+ transport.FilterUnsupportedCapabilities(ar.Capabilities)
+ s.advRefs = ar
+
+ return ar, nil
+}
+
type client struct {
c *http.Client
}
@@ -54,6 +109,24 @@ type session struct {
advRefs *packp.AdvRefs
}
+func newSession(c *http.Client, ep transport.Endpoint, auth transport.AuthMethod) (*session, error) {
+ s := &session{
+ auth: basicAuthFromEndpoint(ep),
+ client: c,
+ endpoint: ep,
+ }
+ if auth != nil {
+ a, ok := auth.(AuthMethod)
+ if !ok {
+ return nil, transport.ErrInvalidAuthMethod
+ }
+
+ s.auth = a
+ }
+
+ return s, nil
+}
+
func (*session) Close() error {
return nil
}
diff --git a/plumbing/transport/http/receive_pack.go b/plumbing/transport/http/receive_pack.go
index 7a37049..b8489a7 100644
--- a/plumbing/transport/http/receive_pack.go
+++ b/plumbing/transport/http/receive_pack.go
@@ -1,30 +1,89 @@
package http
import (
- "errors"
+ "bytes"
+ "fmt"
+ "io"
"net/http"
+ "gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp"
"gopkg.in/src-d/go-git.v4/plumbing/transport"
+ "gopkg.in/src-d/go-git.v4/utils/ioutil"
)
-var errReceivePackNotSupported = errors.New("receive-pack not supported yet")
-
type rpSession struct {
*session
}
func newReceivePackSession(c *http.Client, ep transport.Endpoint, auth transport.AuthMethod) (transport.ReceivePackSession, error) {
- return &rpSession{&session{}}, nil
+ s, err := newSession(c, ep, auth)
+ return &rpSession{s}, err
}
func (s *rpSession) AdvertisedReferences() (*packp.AdvRefs, error) {
-
- return nil, errReceivePackNotSupported
+ return advertisedReferences(s.session, transport.ReceivePackServiceName)
}
-func (s *rpSession) ReceivePack(*packp.ReferenceUpdateRequest) (
+func (s *rpSession) ReceivePack(req *packp.ReferenceUpdateRequest) (
*packp.ReportStatus, error) {
+ url := fmt.Sprintf(
+ "%s/%s",
+ s.endpoint.String(), transport.ReceivePackServiceName,
+ )
+
+ buf := bytes.NewBuffer(nil)
+ if err := req.Encode(buf); err != nil {
+ return nil, err
+ }
+
+ res, err := s.doRequest(http.MethodPost, url, buf)
+ if err != nil {
+ return nil, err
+ }
+
+ r, err := ioutil.NonEmptyReader(res.Body)
+ if err == ioutil.ErrEmptyReader {
+ return nil, nil
+ }
+
+ if err != nil {
+ return nil, err
+ }
+
+ rc := ioutil.NewReadCloser(r, res.Body)
+
+ report := packp.NewReportStatus()
+ if err := report.Decode(rc); err != nil {
+ return nil, err
+ }
+
+ return report, report.Error()
+}
+
+func (s *rpSession) doRequest(method, url string, content *bytes.Buffer) (*http.Response, error) {
+ var body io.Reader
+ if content != nil {
+ body = content
+ }
+
+ req, err := http.NewRequest(method, url, body)
+ if err != nil {
+ return nil, plumbing.NewPermanentError(err)
+ }
+
+ applyHeadersToRequest(req, content, s.endpoint.Host(), transport.ReceivePackServiceName)
+ s.applyAuthToRequest(req)
+
+ res, err := s.client.Do(req)
+ if err != nil {
+ return nil, plumbing.NewUnexpectedError(err)
+ }
+
+ if err := NewErr(res); err != nil {
+ _ = res.Body.Close()
+ return nil, err
+ }
- return nil, errReceivePackNotSupported
+ return res, nil
}
diff --git a/plumbing/transport/http/receive_pack_test.go b/plumbing/transport/http/receive_pack_test.go
new file mode 100644
index 0000000..d870e5d
--- /dev/null
+++ b/plumbing/transport/http/receive_pack_test.go
@@ -0,0 +1,122 @@
+package http
+
+import (
+ "fmt"
+ "io"
+ "io/ioutil"
+ "log"
+ "net"
+ "net/http"
+ "net/http/cgi"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "strings"
+
+ "gopkg.in/src-d/go-git.v4/plumbing/transport"
+ "gopkg.in/src-d/go-git.v4/plumbing/transport/test"
+
+ "github.com/src-d/go-git-fixtures"
+ . "gopkg.in/check.v1"
+)
+
+type ReceivePackSuite struct {
+ test.ReceivePackSuite
+ fixtures.Suite
+
+ base string
+}
+
+var _ = Suite(&ReceivePackSuite{})
+
+func (s *ReceivePackSuite) SetUpTest(c *C) {
+ s.ReceivePackSuite.Client = DefaultClient
+
+ port, err := freePort()
+ c.Assert(err, IsNil)
+
+ base, err := ioutil.TempDir(os.TempDir(), "go-git-http-backend-test")
+ c.Assert(err, IsNil)
+ s.base = base
+
+ host := fmt.Sprintf("localhost_%d", port)
+ interpolatedBase := filepath.Join(base, host)
+ err = os.MkdirAll(interpolatedBase, 0755)
+ c.Assert(err, IsNil)
+
+ dotgit := fixtures.Basic().One().DotGit().Root()
+ prepareRepo(c, dotgit)
+ err = os.Rename(dotgit, filepath.Join(interpolatedBase, "basic.git"))
+ c.Assert(err, IsNil)
+
+ ep, err := transport.NewEndpoint(fmt.Sprintf("http://localhost:%d/basic.git", port))
+ c.Assert(err, IsNil)
+ s.ReceivePackSuite.Endpoint = ep
+
+ dotgit = fixtures.ByTag("empty").One().DotGit().Root()
+ prepareRepo(c, dotgit)
+ err = os.Rename(dotgit, filepath.Join(interpolatedBase, "empty.git"))
+ c.Assert(err, IsNil)
+
+ ep, err = transport.NewEndpoint(fmt.Sprintf("http://localhost:%d/empty.git", port))
+ c.Assert(err, IsNil)
+ s.ReceivePackSuite.EmptyEndpoint = ep
+
+ ep, err = transport.NewEndpoint(fmt.Sprintf("http://localhost:%d/non-existent.git", port))
+ c.Assert(err, IsNil)
+ s.ReceivePackSuite.NonExistentEndpoint = ep
+
+ cmd := exec.Command("git", "--exec-path")
+ out, err := cmd.CombinedOutput()
+ c.Assert(err, IsNil)
+ p := filepath.Join(strings.Trim(string(out), "\n"), "git-http-backend")
+
+ h := &cgi.Handler{
+ Path: p,
+ Env: []string{"GIT_HTTP_EXPORT_ALL=true", fmt.Sprintf("GIT_PROJECT_ROOT=%s", interpolatedBase)},
+ }
+
+ go func() {
+ log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), h))
+ }()
+}
+
+func (s *ReceivePackSuite) TearDownTest(c *C) {
+ err := os.RemoveAll(s.base)
+ c.Assert(err, IsNil)
+}
+
+func freePort() (int, error) {
+ addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
+ if err != nil {
+ return 0, err
+ }
+
+ l, err := net.ListenTCP("tcp", addr)
+ if err != nil {
+ return 0, err
+ }
+
+ return l.Addr().(*net.TCPAddr).Port, l.Close()
+}
+
+const bareConfig = `[core]
+repositoryformatversion = 0
+filemode = true
+bare = true
+[http]
+receivepack = true`
+
+func prepareRepo(c *C, path string) {
+ // git-receive-pack refuses to update refs/heads/master on non-bare repo
+ // so we ensure bare repo config.
+ config := filepath.Join(path, "config")
+ if _, err := os.Stat(config); err == nil {
+ f, err := os.OpenFile(config, os.O_TRUNC|os.O_WRONLY, 0)
+ c.Assert(err, IsNil)
+ content := strings.NewReader(bareConfig)
+ _, err = io.Copy(f, content)
+ c.Assert(err, IsNil)
+ c.Assert(f.Close(), IsNil)
+ }
+}
diff --git a/plumbing/transport/http/upload_pack.go b/plumbing/transport/http/upload_pack.go
index 2d1ea45..b1181b6 100644
--- a/plumbing/transport/http/upload_pack.go
+++ b/plumbing/transport/http/upload_pack.go
@@ -5,7 +5,6 @@ import (
"fmt"
"io"
"net/http"
- "strconv"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/format/pktline"
@@ -20,62 +19,13 @@ type upSession struct {
}
func newUploadPackSession(c *http.Client, ep transport.Endpoint, auth transport.AuthMethod) (transport.UploadPackSession, error) {
- s := &session{
- auth: basicAuthFromEndpoint(ep),
- client: c,
- endpoint: ep,
- }
- if auth != nil {
- a, ok := auth.(AuthMethod)
- if !ok {
- return nil, transport.ErrInvalidAuthMethod
- }
+ s, err := newSession(c, ep, auth)
- s.auth = a
- }
-
- return &upSession{session: s}, nil
+ return &upSession{s}, err
}
func (s *upSession) AdvertisedReferences() (*packp.AdvRefs, error) {
- if s.advRefs != nil {
- return s.advRefs, nil
- }
-
- url := fmt.Sprintf(
- "%s/info/refs?service=%s",
- s.endpoint.String(), transport.UploadPackServiceName,
- )
-
- req, err := http.NewRequest(http.MethodGet, url, nil)
- if err != nil {
- return nil, err
- }
-
- s.applyAuthToRequest(req)
- s.applyHeadersToRequest(req, nil)
- res, err := s.client.Do(req)
- if err != nil {
- return nil, err
- }
-
- if err := NewErr(res); err != nil {
- _ = res.Body.Close()
- return nil, err
- }
-
- ar := packp.NewAdvRefs()
- if err := ar.Decode(res.Body); err != nil {
- if err == packp.ErrEmptyAdvRefs {
- err = transport.ErrEmptyRemoteRepository
- }
-
- return nil, err
- }
-
- transport.FilterUnsupportedCapabilities(ar.Capabilities)
- s.advRefs = ar
- return ar, nil
+ return advertisedReferences(s.session, transport.UploadPackServiceName)
}
func (s *upSession) UploadPack(req *packp.UploadPackRequest) (*packp.UploadPackResponse, error) {
@@ -131,7 +81,7 @@ func (s *upSession) doRequest(method, url string, content *bytes.Buffer) (*http.
return nil, plumbing.NewPermanentError(err)
}
- s.applyHeadersToRequest(req, content)
+ applyHeadersToRequest(req, content, s.endpoint.Host(), transport.UploadPackServiceName)
s.applyAuthToRequest(req)
res, err := s.client.Do(req)
@@ -147,21 +97,6 @@ func (s *upSession) doRequest(method, url string, content *bytes.Buffer) (*http.
return res, nil
}
-// it requires a bytes.Buffer, because we need to know the length
-func (s *upSession) applyHeadersToRequest(req *http.Request, content *bytes.Buffer) {
- req.Header.Add("User-Agent", "git/1.0")
- req.Header.Add("Host", s.endpoint.Host()) // host:port
-
- if content == nil {
- req.Header.Add("Accept", "*/*")
- return
- }
-
- 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", strconv.Itoa(content.Len()))
-}
-
func uploadPackRequestToReader(req *packp.UploadPackRequest) (*bytes.Buffer, error) {
buf := bytes.NewBuffer(nil)
e := pktline.NewEncoder(buf)