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

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

* Add vendor dependencies.

1 files changed, 146 insertions, 0 deletions

diff --git a/vendor/github.com/google/go-github/github/activity_watching.go b/vendor/github.com/google/go-github/github/activity_watching.go
new file mode 100644
index 00000000..c749ca86
--- /dev/null
+++ b/vendor/github.com/google/go-github/github/activity_watching.go
@@ -0,0 +1,146 @@
+// Copyright 2014 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 (
+	"context"
+	"fmt"
+)
+
+// Subscription identifies a repository or thread subscription.
+type Subscription struct {
+	Subscribed *bool      `json:"subscribed,omitempty"`
+	Ignored    *bool      `json:"ignored,omitempty"`
+	Reason     *string    `json:"reason,omitempty"`
+	CreatedAt  *Timestamp `json:"created_at,omitempty"`
+	URL        *string    `json:"url,omitempty"`
+
+	// only populated for repository subscriptions
+	RepositoryURL *string `json:"repository_url,omitempty"`
+
+	// only populated for thread subscriptions
+	ThreadURL *string `json:"thread_url,omitempty"`
+}
+
+// ListWatchers lists watchers of a particular repo.
+//
+// GitHub API docs: https://developer.github.com/v3/activity/watching/#list-watchers
+func (s *ActivityService) ListWatchers(ctx context.Context, owner, repo string, opt *ListOptions) ([]*User, *Response, error) {
+	u := fmt.Sprintf("repos/%s/%s/subscribers", owner, repo)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var watchers []*User
+	resp, err := s.client.Do(ctx, req, &watchers)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return watchers, resp, nil
+}
+
+// ListWatched lists the repositories the specified user is watching. Passing
+// the empty string will fetch watched repos for the authenticated user.
+//
+// GitHub API docs: https://developer.github.com/v3/activity/watching/#list-repositories-being-watched
+func (s *ActivityService) ListWatched(ctx context.Context, user string, opt *ListOptions) ([]*Repository, *Response, error) {
+	var u string
+	if user != "" {
+		u = fmt.Sprintf("users/%v/subscriptions", user)
+	} else {
+		u = "user/subscriptions"
+	}
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var watched []*Repository
+	resp, err := s.client.Do(ctx, req, &watched)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return watched, resp, nil
+}
+
+// GetRepositorySubscription returns the subscription for the specified
+// repository for the authenticated user. If the authenticated user is not
+// watching the repository, a nil Subscription is returned.
+//
+// GitHub API docs: https://developer.github.com/v3/activity/watching/#get-a-repository-subscription
+func (s *ActivityService) GetRepositorySubscription(ctx context.Context, owner, repo string) (*Subscription, *Response, error) {
+	u := fmt.Sprintf("repos/%s/%s/subscription", owner, repo)
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	sub := new(Subscription)
+	resp, err := s.client.Do(ctx, req, sub)
+	if err != nil {
+		// if it's just a 404, don't return that as an error
+		_, err = parseBoolResponse(err)
+		return nil, resp, err
+	}
+
+	return sub, resp, nil
+}
+
+// SetRepositorySubscription sets the subscription for the specified repository
+// for the authenticated user.
+//
+// To watch a repository, set subscription.Subscribed to true.
+// To ignore notifications made within a repository, set subscription.Ignored to true.
+// To stop watching a repository, use DeleteRepositorySubscription.
+//
+// GitHub API docs: https://developer.github.com/v3/activity/watching/#set-a-repository-subscription
+func (s *ActivityService) SetRepositorySubscription(ctx context.Context, owner, repo string, subscription *Subscription) (*Subscription, *Response, error) {
+	u := fmt.Sprintf("repos/%s/%s/subscription", owner, repo)
+
+	req, err := s.client.NewRequest("PUT", u, subscription)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	sub := new(Subscription)
+	resp, err := s.client.Do(ctx, req, sub)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return sub, resp, nil
+}
+
+// DeleteRepositorySubscription deletes the subscription for the specified
+// repository for the authenticated user.
+//
+// This is used to stop watching a repository. To control whether or not to
+// receive notifications from a repository, use SetRepositorySubscription.
+//
+// GitHub API docs: https://developer.github.com/v3/activity/watching/#delete-a-repository-subscription
+func (s *ActivityService) DeleteRepositorySubscription(ctx context.Context, owner, repo string) (*Response, error) {
+	u := fmt.Sprintf("repos/%s/%s/subscription", owner, repo)
+	req, err := s.client.NewRequest("DELETE", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}