diff --git a/src/connections/GitHub/index.ts b/src/connections/GitHub/index.ts
new file mode 100644
index 00000000..638a34af
--- /dev/null
+++ b/src/connections/GitHub/index.ts
@@ -0,0 +1,106 @@
+import {
+ ConnectedAccount,
+ ConnectedAccountCommonOAuthTokenResponse,
+ ConnectionCallbackSchema,
+ ConnectionLoader,
+ DiscordApiErrors,
+} from "@spacebar/util";
+import wretch from "wretch";
+import Connection from "../../util/connections/Connection";
+import { GitHubSettings } from "./GitHubSettings";
+
+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!);
+ url.searchParams.append("redirect_uri", this.getRedirectUri());
+ 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<ConnectedAccountCommonOAuthTokenResponse> {
+ this.validateState(state);
+
+ const url = this.getTokenUrl(code);
+
+ return wretch(url.toString())
+ .headers({
+ Accept: "application/json",
+ })
+
+ .post()
+ .json<ConnectedAccountCommonOAuthTokenResponse>()
+ .catch((e) => {
+ console.error(e);
+ throw DiscordApiErrors.GENERAL_ERROR;
+ });
+ }
+
+ async getUser(token: string): Promise<UserResponse> {
+ const url = new URL(this.userInfoUrl);
+ return wretch(url.toString())
+ .headers({
+ Authorization: `Bearer ${token}`,
+ })
+ .get()
+ .json<UserResponse>()
+ .catch((e) => {
+ console.error(e);
+ throw DiscordApiErrors.GENERAL_ERROR;
+ });
+ }
+
+ async handleCallback(
+ params: ConnectionCallbackSchema,
+ ): Promise<ConnectedAccount | null> {
+ const userId = this.getUserId(params.state);
+ const tokenData = await this.exchangeCode(params.state, params.code!);
+ const userInfo = await this.getUser(tokenData.access_token);
+
+ const exists = await this.hasConnection(userId, userInfo.id.toString());
+
+ if (exists) return null;
+
+ return await this.createConnection({
+ user_id: userId,
+ external_id: userInfo.id.toString(),
+ friend_sync: params.friend_sync,
+ name: userInfo.login,
+ type: this.id,
+ });
+ }
+}
|
