/**
* Cloudflare Worker for Coves OAuth
* Handles client metadata and OAuth callbacks with Android Intent URL support
*/
export default {
async fetch(request) {
const url = new URL(request.url);
// Serve client-metadata.json
if (url.pathname === '/client-metadata.json') {
return new Response(JSON.stringify({
client_id: 'https://lingering-darkness-50a6.brettmay0212.workers.dev/client-metadata.json',
client_name: 'Coves',
client_uri: 'https://lingering-darkness-50a6.brettmay0212.workers.dev/client-metadata.json',
redirect_uris: [
'https://lingering-darkness-50a6.brettmay0212.workers.dev/oauth/callback',
'dev.workers.brettmay0212.lingering-darkness-50a6:/oauth/callback'
],
scope: 'atproto transition:generic',
grant_types: ['authorization_code', 'refresh_token'],
response_types: ['code'],
application_type: 'native',
token_endpoint_auth_method: 'none',
dpop_bound_access_tokens: true
}), {
headers: { 'Content-Type': 'application/json' }
});
}
// Handle OAuth callback - redirect to app
if (url.pathname === '/oauth/callback') {
const params = url.search; // Preserve query params (e.g., ?state=xxx&code=xxx)
const userAgent = request.headers.get('User-Agent') || '';
const isAndroid = /Android/i.test(userAgent);
// Build the appropriate deep link based on platform
let deepLink;
if (isAndroid) {
// Android: Use Intent URL format (works reliably on all browsers)
// Format: intent://path?query#Intent;scheme=SCHEME;package=PACKAGE;end
const pathAndQuery = `/oauth/callback${params}`;
deepLink = `intent:/${pathAndQuery}#Intent;scheme=dev.workers.brettmay0212.lingering-darkness-50a6;package=social.coves;end`;
} else {
// iOS: Use standard custom scheme
deepLink = `dev.workers.brettmay0212.lingering-darkness-50a6:/oauth/callback${params}`;
}
return new Response(`
Authorization Successful
\u2713
Authorization Successful!
Returning to Coves...
Open Coves
`, {
headers: { 'Content-Type': 'text/html' }
});
}
return new Response('Not found', { status: 404 });
}
};