Files
SRCmail/app/api/account/stalwart/jmap/route.ts
T

78 lines
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TypeScript

import { NextRequest, NextResponse } from 'next/server';
import { logger } from '@/lib/logger';
import { getStalwartCredentials } from '@/lib/stalwart/credentials';
import { JmapRedirectError, fetchJmapSession, postJmap, rebaseApiUrl } from '@/lib/stalwart/jmap-api';
/**
* POST /api/account/stalwart/jmap
*
* Passthrough to Stalwart's JMAP endpoint using the stored basic-auth
* context so the browser does not need access to the user's credentials.
*
* Body: standard JMAP request `{ using: string[], methodCalls: [...] }`
*
* In Stalwart 0.16 all management operations (password change, app
* passwords, API keys, account settings, etc.) are exposed as JMAP
* methods under the `x:` namespace on the same endpoint.
*/
export async function POST(request: NextRequest) {
try {
const creds = await getStalwartCredentials(request);
if (!creds) {
return NextResponse.json({ error: 'Not authenticated' }, { status: 401 });
}
const body = await request.text();
const directUrl = `${creds.serverUrl}/jmap/`;
let response = await postJmap(directUrl, creds.authHeader, body);
if (response.status === 404) {
// `${serverUrl}/jmap/` is not the API endpoint on this deployment
// (path prefix, non-Stalwart URL layout). Resolve the session's
// advertised apiUrl on the same host and retry once.
const session = await fetchJmapSession(creds.serverUrl, creds.authHeader);
const apiUrl = rebaseApiUrl(session, creds.serverUrl);
if (apiUrl && apiUrl !== directUrl) {
response = await postJmap(apiUrl, creds.authHeader, body);
}
}
if (!response.ok) {
logger.warn('Stalwart JMAP passthrough upstream error', {
status: response.status,
serverUrl: creds.serverUrl,
});
}
const responseText = await response.text();
return new NextResponse(responseText, {
status: response.status,
headers: { 'Content-Type': response.headers.get('Content-Type') || 'application/json' },
});
} catch (error) {
if (error instanceof JmapRedirectError) {
logger.error('Stalwart JMAP passthrough redirect error', { error: error.message });
return NextResponse.json({ error: error.message }, { status: 502 });
}
// `fetch failed` from undici is too generic to debug — the real reason
// (ENOTFOUND, ECONNREFUSED, self-signed TLS, …) lives on `error.cause`.
const err = error as Error & { cause?: { code?: string; message?: string } };
logger.error('Stalwart JMAP passthrough error', {
error: err?.message ?? 'Unknown',
causeCode: err?.cause?.code,
causeMessage: err?.cause?.message,
});
// The server this process failed to reach is the user's own mail server,
// so the reason is worth surfacing: an opaque 500 leaves operators with
// nothing to act on.
if (err?.cause?.code) {
return NextResponse.json(
{ error: `Cannot reach the JMAP server (${err.cause.code})` },
{ status: 502 },
);
}
return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
}
}