feat(providers): Add Roblox provider (#11515)

* Add Roblox provider

* Update roblox.ts

---------

Co-authored-by: Falco Winkler <[email protected]>

.github/ISSUE_TEMPLATE/2_bug_provider.yml

@@ -73,6 +73,7 @@ body:
         - "Patreon"
         - "Pipedrive"
         - "Reddit"
+        - "Roblox"
         - "Salesforce"
         - "SimpleLogin"
         - "Slack"

packages/core/src/providers/roblox.ts

@@ -0,0 +1,94 @@
+/**
+ * <div style={{backgroundColor: "#000", display: "flex", justifyContent: "space-between", color: "#fff", padding: 16}}>
+ * <span>Built-in <b>Roblox</b> integration.</span>
+ * <a href="https://roblox.com/">
+ *   <img style={{display: "block"}} src="https://authjs.dev/img/providers/roblox.svg" height="48" width="48"/>
+ * </a>
+ * </div>
+ *
+ * @module providers/roblox
+ */
+import type { OIDCUserConfig, OIDCConfig } from "./index.js"
+
+/**
+ * Corresponds to the user structure documented here:
+ * https://create.roblox.com/docs/cloud/reference/oauth2 (Example User with Profile Scope)
+ */
+export interface RobloxProfile extends Record<string, any> {
+  /* Roblox user id */
+  sub: string
+
+  /* Roblox display name */
+  name: string
+
+  /* Roblox display name */
+  nickname: string
+
+  /* Roblox username */
+  preferred_username: string
+
+  /* Creation time of the Roblox account as a Unix timestamp. */
+  created_at: number
+
+  /* Roblox account profile URL */
+  profile: string
+
+  /* Roblox avatar headshot image. Can be null if the avatar headshot image hasn't yet been generated or has been moderated */
+  picture: string | null
+}
+
+/**
+ * Add Roblox login to your page.
+ *
+ * ### Setup
+ *
+ * #### Callback URL
+ * ```
+ * https://example.com/api/auth/callback/roblox
+ * ```
+ *
+ * #### Configuration
+ *```ts
+ * import { Auth } from "@auth/core"
+ * import Roblox from "@auth/providers/roblox"
+ *
+ * const request = new Request(origin)
+ * const response = await Auth(request, {
+ *   providers: [
+ *     Roblox({
+ *       clientId: AUTH_ROBLOX_ID,
+ *       clientSecret: AUTH_ROBLOX_SECRET,
+ *     }),
+ *   ],
+ * })
+ * ```
+ *
+ * ### Resources
+ *
+ *  - [Roblox OAuth documentation](https://create.roblox.com/docs/cloud/open-cloud/oauth2-overview)
+ *  - [Roblox OAuth apps](https://create.roblox.com/dashboard/credentials?activeTab=OAuthTab)
+ *
+ * :::info **Disclaimer**
+ *
+ * If you think you found a bug in the default configuration, you can [open an issue](https://authjs.dev/new/provider-issue).
+ *
+ * Auth.js strictly adheres to the specification and it cannot take responsibility for any deviation from
+ * the spec by the provider. You can open an issue, but if the problem is non-compliance with the spec,
+ * we might not pursue a resolution. You can ask for more help in [Discussions](https://authjs.dev/new/github-discussions).
+ *
+ * :::
+ */
+export default function Roblox(
+  options: OIDCUserConfig<RobloxProfile>
+): OIDCConfig<RobloxProfile> {
+  return {
+    id: "roblox",
+    name: "Roblox",
+    type: "oidc",
+    authorization: { params: { scope: "openid profile" } },
+    issuer: "https://apis.roblox.com/oauth/",
+    checks: ["pkce", "state"],
+    style: { bg: "#5865F2", text: "#fff" },
+    options,
+  }
+}