feat(providers): Add Todoist provider (#5253)

* feat: Add Todoist provider

* fix: use openid-client

* chore: add Todoist provider to issue template

Co-authored-by: Thang Vu <hi@thvu.dev>

Author: elpnt

.github/ISSUE_TEMPLATE/2_bug_provider.yml

@@ -68,6 +68,7 @@ body:
         - "Slack"
         - "Spotify"
         - "Strava"
+        - "Todoist"
         - "Trakt"
         - "Twitch"
         - "Twitter"

apps/dev/pages/api/auth/[...nextauth].ts

@@ -30,6 +30,7 @@ import Osu from "next-auth/providers/osu"
 import Patreon from "next-auth/providers/patreon"
 import Slack from "next-auth/providers/slack"
 import Spotify from "next-auth/providers/spotify"
+import Todoist from "next-auth/providers/todoist"
 import Trakt from "next-auth/providers/trakt"
 import Twitch from "next-auth/providers/twitch"
 import Twitter, { TwitterLegacy } from "next-auth/providers/twitter"
@@ -105,6 +106,7 @@ export const authOptions: NextAuthOptions = {
     Patreon({ clientId: process.env.PATREON_ID, clientSecret: process.env.PATREON_SECRET }),
     Slack({ clientId: process.env.SLACK_ID, clientSecret: process.env.SLACK_SECRET }),
     Spotify({ clientId: process.env.SPOTIFY_ID, clientSecret: process.env.SPOTIFY_SECRET }),
+    Todoist({ clientId: process.env.TODOIST_ID, clientSecret: process.env.TODOIST_SECRET }),
     Trakt({ clientId: process.env.TRAKT_ID, clientSecret: process.env.TRAKT_SECRET }),
     Twitch({ clientId: process.env.TWITCH_ID, clientSecret: process.env.TWITCH_SECRET }),
     Twitter({ version: "2.0", clientId: process.env.TWITTER_ID, clientSecret: process.env.TWITTER_SECRET }),

docs/docs/providers/todoist.md

@@ -0,0 +1,35 @@
+---
+id: todoist
+title: Todoist
+---
+
+## Documentation
+
+https://developer.todoist.com/guides/#oauth
+
+## Configuration
+
+https://developer.todoist.com/appconsole.html
+
+## Options
+
+The **Todoist Provider** comes with a set of default options:
+
+- [Todoist Provider options](https://github.com/nextauthjs/next-auth/blob/main/packages/next-auth/src/providers/todoist.ts)
+
+You can override any of the options to suit your own use case.
+
+## Example
+
+```js
+import TodoistProvider from "next-auth/providers/todoist";
+
+...
+providers: [
+  TodoistProvider({
+    clientId: process.env.TODOIST_ID,
+    clientSecret: process.env.TODOIST_SECRET
+  })
+]
+...
+```

packages/next-auth/src/providers/todoist.ts

@@ -0,0 +1,58 @@
+import type { OAuthConfig, OAuthUserConfig } from "."
+
+/**
+ * @see https://developer.todoist.com/sync/v9/#user
+ */
+interface TodoistProfile extends Record<string, any> {
+  avatar_big: string
+  email: string
+  full_name: string
+  id: string
+}
+
+export default function TodoistProvider<P extends TodoistProfile>(
+  options: OAuthUserConfig<P>
+): OAuthConfig<P> {
+  return {
+    id: "todoist",
+    name: "Todoist",
+    type: "oauth",
+    authorization: {
+      url: "https://todoist.com/oauth/authorize",
+      params: { scope: "data:read" },
+    },
+    token: "https://todoist.com/oauth/access_token",
+    client: {
+      token_endpoint_auth_method: "client_secret_post",
+    },
+    userinfo: {
+      request: async ({ tokens }) => {
+        // To obtain Todoist user info, we need to call the Sync API
+        // See https://developer.todoist.com/sync/v9
+        const res = await fetch("https://api.todoist.com/sync/v9/sync", {
+          method: "POST",
+          headers: {
+            Authorization: `Bearer ${tokens.access_token}`,
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({
+            sync_token: "*",
+            resource_types: '["user"]',
+          }),
+        })
+
+        const { user: profile } = await res.json()
+        return profile
+      },
+    },
+    profile: async (profile) => {
+      return {
+        id: profile.id,
+        email: profile.email,
+        name: profile.full_name,
+        image: profile.avatar_big,
+      }
+    },
+    ...options,
+  }
+}