diff --git a/src/connections/GitHub/index.ts b/src/connections/GitHub/index.ts
new file mode 100644
index 00000000..a96ac68e
--- /dev/null
+++ b/src/connections/GitHub/index.ts
@@ -0,0 +1,114 @@
+import fetch from "node-fetch";
+import { Config, ConnectionCallbackSchema, DiscordApiErrors } from "../../util";
+import Connection from "../../util/connections/Connection";
+import { ConnectionLoader } from "../../util/connections/ConnectionLoader";
+import { GitHubSettings } from "./GitHubSettings";
+
+interface OAuthTokenResponse {
+ access_token: string;
+ token_type: string;
+ scope: string;
+ refresh_token?: string;
+ expires_in?: number;
+}
+
+interface UserResponse {
+ login: string;
+ id: number;
+ name: string;
+}
+
+export default class GitHubConnection extends Connection {
+ public readonly id = "github";
+ public readonly authorizeUrl = "https://github.com/login/oauth/authorize";
+ public readonly tokenUrl = "https://github.com/login/oauth/access_token";
+ public readonly userInfoUrl = "https://api.github.com/user";
+ public readonly scopes = ["read:user"];
+ settings: GitHubSettings = new GitHubSettings();
+
+ init(): void {
+ this.settings = ConnectionLoader.getConnectionConfig(
+ this.id,
+ this.settings,
+ ) as GitHubSettings;
+ }
+
+ getAuthorizationUrl(userId: string): string {
+ const state = this.createState(userId);
+ const url = new URL(this.authorizeUrl);
+
+ url.searchParams.append("client_id", this.settings.clientId!);
+ // TODO: probably shouldn't rely on cdn as this could be different from what we actually want. we should have an api endpoint setting.
+ url.searchParams.append(
+ "redirect_uri",
+ `${
+ Config.get().cdn.endpointPrivate || "http://localhost:3001"
+ }/connections/${this.id}/callback`,
+ );
+ url.searchParams.append("scope", this.scopes.join(" "));
+ url.searchParams.append("state", state);
+ return url.toString();
+ }
+
+ getTokenUrl(code: string): string {
+ const url = new URL(this.tokenUrl);
+ url.searchParams.append("client_id", this.settings.clientId!);
+ url.searchParams.append("client_secret", this.settings.clientSecret!);
+ url.searchParams.append("code", code);
+ return url.toString();
+ }
+
+ async exchangeCode(state: string, code: string): Promise<string> {
+ this.validateState(state);
+
+ const url = this.getTokenUrl(code);
+
+ return fetch(url.toString(), {
+ method: "POST",
+ headers: {
+ Accept: "application/json",
+ },
+ })
+ .then((res) => res.json())
+ .then((res: OAuthTokenResponse) => res.access_token)
+ .catch((e) => {
+ console.error(
+ `Error exchanging token for ${this.id} connection: ${e}`,
+ );
+ throw DiscordApiErrors.INVALID_OAUTH_TOKEN;
+ });
+ }
+
+ async getUser(token: string): Promise<UserResponse> {
+ const url = new URL(this.userInfoUrl);
+ return fetch(url.toString(), {
+ method: "GET",
+ headers: {
+ Authorization: `Bearer ${token}`,
+ },
+ }).then((res) => res.json());
+ }
+
+ async handleCallback(params: ConnectionCallbackSchema): Promise<boolean> {
+ const userId = this.getUserId(params.state);
+ const token = await this.exchangeCode(params.state, params.code!);
+ const userInfo = await this.getUser(token);
+
+ const exists = await this.hasConnection(userId, userInfo.id.toString());
+
+ if (exists) return false;
+ await this.createConnection({
+ user_id: userId,
+ external_id: userInfo.id,
+ friend_sync: params.friend_sync,
+ name: userInfo.name,
+ revoked: false,
+ show_activity: false,
+ type: this.id,
+ verified: true,
+ visibility: 0,
+ integrations: [],
+ });
+ return true;
+ }
+}
|
