Files
SRCmail/app/api/auth/pair/redeem/route.ts
T

37 lines
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TypeScript

import { NextRequest, NextResponse } from 'next/server';
import { logger } from '@/lib/logger';
import { consumePairing } from '@/lib/auth/pairing-store';
// Phone side of the cross-device QR login. The app POSTs the pairing code it
// scanned; we hand back the OAuth token bundle the desktop stashed at
// /api/auth/pair/create. The code is the only credential required — it is
// high-entropy, single-use, and expires within ~2 minutes — so this route is
// intentionally unauthenticated (the scanning device has no webmail cookies).
export async function POST(request: NextRequest) {
try {
const { pairing_code: pairingCode } = await request.json().catch(() => ({}));
if (!pairingCode || typeof pairingCode !== 'string') {
return NextResponse.json({ error: 'Missing pairing code' }, { status: 400 });
}
const tokens = consumePairing(pairingCode);
if (!tokens) {
// Unknown, expired, or already redeemed — do not distinguish.
return NextResponse.json({ error: 'Invalid or expired pairing code' }, { status: 400 });
}
return NextResponse.json({
flow: 'oauth',
server_url: tokens.serverUrl,
access_token: tokens.accessToken,
...(tokens.refreshToken ? { refresh_token: tokens.refreshToken } : {}),
...(typeof tokens.expiresIn === 'number' ? { expires_in: tokens.expiresIn } : {}),
token_endpoint: tokens.tokenEndpoint,
client_id: tokens.clientId,
});
} catch (error) {
logger.error('Pair redeem error', { error: error instanceof Error ? error.message : 'Unknown error' });
return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
}
}