Support for github_app_authorization event. (#157)

Adding support for
[github_app_authorization](https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#github_app_authorization)
event.

Author: pansachin

github/github.go

@@ -73,6 +73,7 @@ const (
 	WorkflowDispatchEvent                    Event = "workflow_dispatch"
 	WorkflowJobEvent                         Event = "workflow_job"
 	WorkflowRunEvent                         Event = "workflow_run"
+	GitHubAppAuthorizationEvent              Event = "github_app_authorization"
 )
 
 // EventSubtype defines a GitHub Hook Event subtype
@@ -345,6 +346,10 @@ func (hook Webhook) Parse(r *http.Request, events ...Event) (interface{}, error)
 		var pl WorkflowRunPayload
 		err = json.Unmarshal([]byte(payload), &pl)
 		return pl, err
+	case GitHubAppAuthorizationEvent:
+		var pl GitHubAppAuthorizationPayload
+		err = json.Unmarshal([]byte(payload), &pl)
+		return pl, err
 	default:
 		return nil, fmt.Errorf("unknown event %s", gitHubEvent)
 	}

github/github_test.go

@@ -593,6 +593,16 @@ func TestWebhooks(t *testing.T) {
 				"X-Hub-Signature": []string{"sha1=c54d046b1ce440bc3434c8de5ad73e0a630d7cbe"},
 			},
 		},
+		{
+			name:     "GitHubAppAuthorizationEvent",
+			event:    GitHubAppAuthorizationEvent,
+			typ:      GitHubAppAuthorizationPayload{},
+			filename: "../testdata/github/github-app-authorization.json",
+			headers: http.Header{
+				"X-Github-Event":  []string{"github_app_authorization"},
+				"X-Hub-Signature": []string{"sha1=4f18624a7fe3a9c525b51bdbd0e3da8230d753d6"},
+			},
+		},
 	}
 
 	for _, tt := range tests {

github/payload.go

@@ -7142,3 +7142,28 @@ type Step struct {
 	StartedAt   time.Time `json:"started_at"`
 	CompletedAt time.Time `json:"completed_at"`
 }
+
+// GitHubAppAuthorizationPayload contains revoke action payload
+type GitHubAppAuthorizationPayload struct {
+	Action string `json:"action"`
+	Sender struct {
+		Login             string `json:"login"`
+		ID                int64  `json:"id"`
+		NodeID            string `json:"node_id"`
+		AvatarURL         string `json:"avatar_url"`
+		GravatarID        string `json:"gravatar_id"`
+		URL               string `json:"url"`
+		HTMLURL           string `json:"html_url"`
+		FollowersURL      string `json:"followers_url"`
+		FollowingURL      string `json:"following_url"`
+		GistsURL          string `json:"gists_url"`
+		StarredURL        string `json:"starred_url"`
+		SubscriptionsURL  string `json:"subscriptions_url"`
+		OrganizationsURL  string `json:"orranizations_url"`
+		ReposURL          string `json:"repos_url"`
+		EventsURL         string `json:"events_url"`
+		ReceivedEventsURL string `json:"received_events_url"`
+		Type              string `json:"type"`
+		SiteAdmin         bool   `json:"site_admin"`
+	} `json:"sender"`
+}

testdata/github/github-app-authorization.json

@@ -0,0 +1,23 @@
+{
+    "action": "revoked",
+    "sender": {
+        "login": "pansachin",
+        "id": 83265393,
+        "node_id": "MDQ6VXNlcjgzMjY1Mzkz",
+        "avatar_url": "https://avatars.githubusercontent.com/u/83265393?v=4",
+        "gravatar_id": "",
+        "url": "https://api.github.com/users/pansachin",
+        "html_url": "https://github.com/pansachin",
+        "followers_url": "https://api.github.com/users/pansachin/followers",
+        "following_url": "https://api.github.com/users/pansachin/following{/other_user}",
+        "gists_url": "https://api.github.com/users/pansachin/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/pansachin/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/pansachin/subscriptions",
+        "organizations_url": "https://api.github.com/users/pansachin/orgs",
+        "repos_url": "https://api.github.com/users/pansachin/repos",
+        "events_url": "https://api.github.com/users/pansachin/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/pansachin/received_events",
+        "type": "User",
+        "site_admin": false
+    }
+}