import { NextFunction, Request, Response, Router } from 'express';
import { z } from 'zod';
import { ensureMinioBucket, minioBucket, minioClient, minioPresignedExpirySeconds } from '../utils/minio';
const adminUsername = process.env.ADMIN_USERNAME;
const adminPassword = process.env.ADMIN_PASSWORD;
if (!adminUsername || !adminPassword) {
throw new Error('ADMIN_USERNAME and ADMIN_PASSWORD must be set to use the admin dashboard');
}
const router = Router();
const uploadSchema = z.object({
fileName: z.string().trim().min(1).max(255),
prefix: z.string().trim().optional(),
});
const objectKeySchema = z.object({
objectKey: z.string().trim().min(1),
});
const listSchema = z.object({
prefix: z.string().trim().optional(),
limit: z.coerce.number().int().min(1).max(100).default(20),
});
const sanitizeSegment = (value: string): string => value.replace(/[^a-zA-Z0-9._/-]/g, '_');
const buildObjectKey = (fileName: string, prefix?: string): string => {
const safePrefix = prefix ? sanitizeSegment(prefix).replace(/^\/+|\/+$/g, '') : 'admin-tests';
const safeFileName = sanitizeSegment(fileName);
return `${safePrefix}/admin/${Date.now()}-${safeFileName}`;
};
const sendAuthRequired = (res: Response, message: string): Response => {
res.setHeader('WWW-Authenticate', 'Basic realm="Video Admin Dashboard"');
return res.status(401).json({ message });
};
const requireAdminAuth = (req: Request, res: Response, next: NextFunction): void => {
const authorization = req.headers.authorization;
if (!authorization?.startsWith('Basic ')) {
sendAuthRequired(res, 'Authorization required for admin dashboard');
return;
}
const rawCredentials = authorization.slice(6);
let decoded: string;
try {
decoded = Buffer.from(rawCredentials, 'base64').toString('utf8');
} catch {
sendAuthRequired(res, 'Malformed authorization header');
return;
}
const separatorIndex = decoded.indexOf(':');
if (separatorIndex < 0) {
sendAuthRequired(res, 'Malformed authorization header');
return;
}
const username = decoded.slice(0, separatorIndex);
const password = decoded.slice(separatorIndex + 1);
if (username !== adminUsername || password !== adminPassword) {
sendAuthRequired(res, 'Invalid admin credentials');
return;
}
next();
};
router.use(requireAdminAuth);
router.get('/', (_req, res) => {
const html = `
Video Admin Dashboard
Video Admin Dashboard
Use this interface to request a presigned upload URL, push a file into MinIO, and inspect the objects stored in ${minioBucket}.
Bucket contents
`;
res.setHeader('Content-Type', 'text/html; charset=utf-8');
res.send(html);
});
router.post('/upload-url', async (req, res) => {
const parsed = uploadSchema.safeParse(req.body);
if (!parsed.success) {
res.status(400).json({ message: 'Invalid request body', errors: parsed.error.flatten() });
return;
}
await ensureMinioBucket();
const objectKey = buildObjectKey(parsed.data.fileName, parsed.data.prefix);
const uploadUrl = await minioClient.presignedPutObject(minioBucket, objectKey, minioPresignedExpirySeconds);
const expiresAt = new Date(Date.now() + minioPresignedExpirySeconds * 1000);
res.status(201).json({
message: 'Upload URL generated',
bucket: minioBucket,
objectKey,
uploadUrl,
expiresAt,
expiresInSeconds: minioPresignedExpirySeconds,
});
});
router.get('/objects', async (req, res) => {
const parsed = listSchema.safeParse(req.query);
if (!parsed.success) {
res.status(400).json({ message: 'Invalid query params', errors: parsed.error.flatten() });
return;
}
await ensureMinioBucket();
const objects = await new Promise<
{ objectKey: string | undefined; size: number; etag: string | undefined; lastModified: Date | undefined }[]
>((resolve, reject) => {
const results: {
objectKey: string | undefined;
size: number;
etag: string | undefined;
lastModified: Date | undefined;
}[] = [];
const stream = minioClient.listObjectsV2(minioBucket, parsed.data.prefix, true);
let finished = false;
const finish = () => {
if (finished) return;
finished = true;
resolve(results);
};
stream.on('data', (item) => {
if (results.length >= parsed.data.limit) {
stream.destroy();
return;
}
results.push({
objectKey: item.name,
size: item.size,
etag: item.etag,
lastModified: item.lastModified,
});
});
stream.on('error', (error) => {
if (!finished) {
finished = true;
reject(error);
}
});
stream.on('end', finish);
stream.on('close', finish);
});
res.json({ bucket: minioBucket, count: objects.length, objects });
});
router.delete('/object', async (req, res) => {
const parsed = objectKeySchema.safeParse(req.query);
if (!parsed.success) {
res.status(400).json({ message: 'Invalid query params', errors: parsed.error.flatten() });
return;
}
await ensureMinioBucket();
await minioClient.removeObject(minioBucket, parsed.data.objectKey);
res.json({ message: 'Object deleted', bucket: minioBucket, objectKey: parsed.data.objectKey });
});
export default router;