feat(disqus): add disqus integration

packages/backend/src/apps/disqus/auth/refresh-token.js

@@ -0,0 +1,26 @@
+import { URLSearchParams } from 'node:url';
+import authScope from '../common/auth-scope.js';
+
+const refreshToken = async ($) => {
+  const params = new URLSearchParams({
+    grant_type: 'refresh_token',
+    client_id: $.auth.data.apiKey,
+    client_secret: $.auth.data.apiSecret,
+    refresh_token: $.auth.data.refreshToken,
+  });
+
+  const { data } = await $.http.post(
+    `https://disqus.com/api/oauth/2.0/access_token/`,
+    params.toString()
+  );
+
+  await $.auth.set({
+    accessToken: data.access_token,
+    refreshToken: data.refresh_token,
+    expiresIn: data.expires_in,
+    scope: authScope.join(','),
+    tokenType: data.token_type,
+  });
+};
+
+export default refreshToken;