1 files changed, 77 insertions, 0 deletions
diff --git a/plumbing/client/http/common.go b/plumbing/client/http/common.go
new file mode 100644
index 0000000..4c07876
--- /dev/null
+++ b/plumbing/client/http/common.go
@@ -0,0 +1,77 @@
+// Package http implements a HTTP client for go-git.
+package http
+
+import (
+	"fmt"
+	"net/http"
+
+	"gopkg.in/src-d/go-git.v4/plumbing"
+	"gopkg.in/src-d/go-git.v4/plumbing/client/common"
+)
+
+// HTTPAuthMethod concrete implementation of common.AuthMethod for HTTP services
+type HTTPAuthMethod interface {
+	common.AuthMethod
+	setAuth(r *http.Request)
+}
+
+// BasicAuth represent a HTTP basic auth
+type BasicAuth struct {
+	username, password string
+}
+
+// NewBasicAuth returns a BasicAuth base on the given user and password
+func NewBasicAuth(username, password string) *BasicAuth {
+	return &BasicAuth{username, password}
+}
+
+func (a *BasicAuth) setAuth(r *http.Request) {
+	r.SetBasicAuth(a.username, a.password)
+}
+
+// Name name of the auth
+func (a *BasicAuth) Name() string {
+	return "http-basic-auth"
+}
+
+func (a *BasicAuth) String() string {
+	masked := "*******"
+	if a.password == "" {
+		masked = "<empty>"
+	}
+
+	return fmt.Sprintf("%s - %s:%s", a.Name(), a.username, masked)
+}
+
+// HTTPError a dedicated error to return errors bases on status codes
+type HTTPError struct {
+	Response *http.Response
+}
+
+// NewHTTPError returns a new HTTPError based on a http response
+func NewHTTPError(r *http.Response) error {
+	if r.StatusCode >= 200 && r.StatusCode < 300 {
+		return nil
+	}
+
+	switch r.StatusCode {
+	case 401:
+		return common.ErrAuthorizationRequired
+	case 404:
+		return common.ErrRepositoryNotFound
+	}
+
+	err := &HTTPError{r}
+	return plumbing.NewUnexpectedError(err)
+}
+
+// StatusCode returns the status code of the response
+func (e *HTTPError) StatusCode() int {
+	return e.Response.StatusCode
+}
+
+func (e *HTTPError) Error() string {
+	return fmt.Sprintf("unexpected requesting %q status code: %d",
+		e.Response.Request.URL, e.Response.StatusCode,
+	)
+}