auth: add new authentication source: GitHub, including GitHub Enterprise (#5340)

* Add new Authentication Source: GitHub, including GitHub Enterprise.

* Add vendor dependencies.

1 files changed, 75 insertions, 0 deletions

diff --git a/vendor/github.com/google/go-github/github/git_blobs.go b/vendor/github.com/google/go-github/github/git_blobs.go
new file mode 100644
index 00000000..5290c553
--- /dev/null
+++ b/vendor/github.com/google/go-github/github/git_blobs.go
@@ -0,0 +1,75 @@
+// Copyright 2013 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+)
+
+// Blob represents a blob object.
+type Blob struct {
+	Content  *string `json:"content,omitempty"`
+	Encoding *string `json:"encoding,omitempty"`
+	SHA      *string `json:"sha,omitempty"`
+	Size     *int    `json:"size,omitempty"`
+	URL      *string `json:"url,omitempty"`
+	NodeID   *string `json:"node_id,omitempty"`
+}
+
+// GetBlob fetches a blob from a repo given a SHA.
+//
+// GitHub API docs: https://developer.github.com/v3/git/blobs/#get-a-blob
+func (s *GitService) GetBlob(ctx context.Context, owner string, repo string, sha string) (*Blob, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/git/blobs/%v", owner, repo, sha)
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeGraphQLNodeIDPreview)
+
+	blob := new(Blob)
+	resp, err := s.client.Do(ctx, req, blob)
+	return blob, resp, err
+}
+
+// GetBlobRaw fetches a blob's contents from a repo.
+// Unlike GetBlob, it returns the raw bytes rather than the base64-encoded data.
+//
+// GitHub API docs: https://developer.github.com/v3/git/blobs/#get-a-blob
+func (s *GitService) GetBlobRaw(ctx context.Context, owner, repo, sha string) ([]byte, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/git/blobs/%v", owner, repo, sha)
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+	req.Header.Set("Accept", "application/vnd.github.v3.raw")
+
+	var buf bytes.Buffer
+	resp, err := s.client.Do(ctx, req, &buf)
+	return buf.Bytes(), resp, err
+}
+
+// CreateBlob creates a blob object.
+//
+// GitHub API docs: https://developer.github.com/v3/git/blobs/#create-a-blob
+func (s *GitService) CreateBlob(ctx context.Context, owner string, repo string, blob *Blob) (*Blob, *Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/git/blobs", owner, repo)
+	req, err := s.client.NewRequest("POST", u, blob)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeGraphQLNodeIDPreview)
+
+	t := new(Blob)
+	resp, err := s.client.Do(ctx, req, t)
+	return t, resp, err
+}