diff --git a/src/connections/Reddit/RedditSettings.ts b/src/connections/Reddit/RedditSettings.ts
new file mode 100644
index 00000000..13208fb5
--- /dev/null
+++ b/src/connections/Reddit/RedditSettings.ts
@@ -0,0 +1,5 @@
+export class RedditSettings {
+ enabled: boolean = false;
+ clientId: string | null = null;
+ clientSecret: string | null = null;
+}
diff --git a/src/connections/Reddit/index.ts b/src/connections/Reddit/index.ts
new file mode 100644
index 00000000..c529cfa3
--- /dev/null
+++ b/src/connections/Reddit/index.ts
@@ -0,0 +1,140 @@
+import {
+ Config,
+ ConnectedAccount,
+ ConnectionCallbackSchema,
+ ConnectionLoader,
+ DiscordApiErrors,
+} from "@fosscord/util";
+import fetch from "node-fetch";
+import Connection from "../../util/connections/Connection";
+import { RedditSettings } from "./RedditSettings";
+
+interface OAuthTokenResponse {
+ access_token: string;
+ token_type: string;
+ scope: string;
+ refresh_token?: string;
+ expires_in?: number;
+}
+
+export interface UserResponse {
+ verified: boolean;
+ coins: number;
+ id: string;
+ is_mod: boolean;
+ has_verified_email: boolean;
+ total_karma: number;
+ name: string;
+ created: number;
+ gold_creddits: number;
+ created_utc: number;
+}
+
+export interface ErrorResponse {
+ message: string;
+ error: number;
+}
+
+export default class RedditConnection extends Connection {
+ public readonly id = "reddit";
+ public readonly authorizeUrl = "https://www.reddit.com/api/v1/authorize";
+ public readonly tokenUrl = "https://www.reddit.com/api/v1/access_token";
+ public readonly userInfoUrl = "https://oauth.reddit.com/api/v1/me";
+ public readonly scopes = ["identity"];
+ settings: RedditSettings = new RedditSettings();
+
+ init(): void {
+ this.settings = ConnectionLoader.getConnectionConfig(
+ this.id,
+ this.settings,
+ ) as RedditSettings;
+ }
+
+ 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("response_type", "code");
+ url.searchParams.append("scope", this.scopes.join(" "));
+ url.searchParams.append("state", state);
+ return url.toString();
+ }
+
+ getTokenUrl(): string {
+ return this.tokenUrl;
+ }
+
+ async exchangeCode(state: string, code: string): Promise<string> {
+ this.validateState(state);
+
+ const url = this.getTokenUrl();
+
+ return fetch(url.toString(), {
+ method: "POST",
+ headers: {
+ Accept: "application/json",
+ Authorization: `Basic ${Buffer.from(
+ `${this.settings.clientId}:${this.settings.clientSecret}`,
+ ).toString("base64")}`,
+ "Content-Type": "application/x-www-form-urlencoded",
+ },
+ body: new URLSearchParams({
+ grant_type: "authorization_code",
+ code: code,
+ redirect_uri: `${
+ Config.get().cdn.endpointPrivate || "http://localhost:3001"
+ }/connections/${this.id}/callback`,
+ }),
+ })
+ .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<ConnectedAccount | null> {
+ 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 null;
+
+ // TODO: connection metadata
+
+ return await this.createConnection({
+ access_token: token,
+ user_id: userId,
+ external_id: userInfo.id.toString(),
+ friend_sync: params.friend_sync,
+ name: userInfo.name,
+ verified: userInfo.has_verified_email,
+ type: this.id,
+ });
+ }
+}
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