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* Admin ban routes — device/network ban CRUD, bulk unban.
*
* GET /admin/bans → List all active bans
* POST /admin/bans/device → Ban a device
* POST /admin/bans/network → Ban a network (ip/subnet/asn)
* DELETE /admin/bans/device/:deviceId → Unban device
* DELETE /admin/bans/network/:banId → Unban network
* POST /admin/bans/unban-all/:uniqueId → Remove all bans for a user
* GET /admin/bans/user/:uniqueId → Get all bans for a user
*/
const router = require('express').Router();
const { db } = require('../utils/firebase');
const { requireAdmin } = require('../middleware/auth');
// Phase 2H finding #2 dedup: scope admin guard by path prefix.
const _adminGuardWrapper = async (req, res, next) => {
if (await requireAdmin(req, res)) return;
next();
};
router.use('/admin/bans', _adminGuardWrapper);
const { generateId, now } = require('../utils/helpers');
const { sendSystemPm } = require('../utils/system-pm');
const log = require('../utils/log');
// ─── Helpers ─────────────────────────────────────────────────────
/**
* Parse a duration string (e.g. '24h', '7d', '30d', 'permanent') into
* an ISO-8601 expiry timestamp, or null for permanent bans.
*/
function parseExpiry(duration) {
if (!duration || duration === 'permanent') return null;
const units = { h: 3600000, d: 86400000 };
const match = duration.match(/^(\d+)([hd])$/);
if (!match) return null;
return new Date(Date.now() + Number.parseInt(match[1], 10) * units[match[2]]).toISOString();
}
// ─── List all active bans ────────────────────────────────────────
router.get('/admin/bans', async (req, res) => {
try {
const [deviceSnap, networkSnap] = await Promise.all([
db.collection('deviceBans').get(),
db.collection('networkBans').get(),
]);
const nowMs = Date.now();
const deviceBans = deviceSnap.docs
.map((d) => ({ id: d.id, ...d.data() }))
.filter((b) => !b.expiresAt || new Date(b.expiresAt).getTime() > nowMs);
const networkBans = networkSnap.docs
.map((d) => ({ id: d.id, ...d.data() }))
.filter((b) => !b.expiresAt || new Date(b.expiresAt).getTime() > nowMs);
res.json({ deviceBans, networkBans });
} catch (err) {
log.error('admin-bans', 'Error listing bans', { error: err.message });
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Ban a device ────────────────────────────────────────────────
router.post('/admin/bans/device', async (req, res) => {
try {
const { deviceId, reason, duration, linkedUniqueId } = req.body || {};
if (!deviceId) return res.status(400).json({ error: 'deviceId is required' });
if (!reason) return res.status(400).json({ error: 'reason is required' });
const expiresAt = parseExpiry(duration);
await db.doc(`deviceBans/${deviceId}`).set({
deviceId,
reason,
duration: duration || 'permanent',
expiresAt,
linkedUniqueId: linkedUniqueId || null,
createdAt: now(),
createdBy: req.auth.uid,
});
// Audit log
await db.doc(`adminAuditLog/${generateId()}`).set({
adminId: req.auth.uid,
action: 'BAN_DEVICE',
targetDeviceId: deviceId,
details: `Reason: ${reason}, Duration: ${duration || 'permanent'}`,
createdAt: now(),
});
// Send system PM if linked to a user (non-blocking). Track failure so
// the admin UI's PartialFailureToast.buildPartialFailureMessage() can
// surface it via the standard `pms: { failed, total }` shape.
let pmFailed = 0;
let pmTotal = 0;
if (linkedUniqueId) {
pmTotal = 1;
try {
await sendSystemPm(linkedUniqueId, 'A restriction has been placed on your account.');
} catch (e) {
log.warn('system-pm', 'Failed to send', { uniqueId: linkedUniqueId, error: e.message });
pmFailed = 1;
}
}
res.json({ success: true, pms: { failed: pmFailed, total: pmTotal } });
} catch (err) {
log.error('admin-bans', 'Error banning device', { error: err.message });
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Ban a network ───────────────────────────────────────────────
router.post('/admin/bans/network', async (req, res) => {
try {
const { type, value, reason, duration, linkedUniqueId } = req.body || {};
const validTypes = ['ip', 'subnet', 'asn'];
if (!type || !validTypes.includes(type)) {
return res.status(400).json({ error: 'type must be one of: ip, subnet, asn' });
}
if (!value || typeof value !== 'string')
return res.status(400).json({ error: 'value is required' });
if (!reason) return res.status(400).json({ error: 'reason is required' });
// Validate format based on type
const IP_REGEX = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
const CIDR_REGEX = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/\d{1,2}$/;
if (type === 'ip' && !IP_REGEX.test(value)) {
return res.status(400).json({ error: 'Invalid IP address format' });
}
if (type === 'subnet' && !CIDR_REGEX.test(value)) {
return res.status(400).json({ error: 'Invalid CIDR subnet format (e.g. 192.168.0.0/24)' });
}
if (type === 'asn' && !/^\d+$/.test(value)) {
return res.status(400).json({ error: 'ASN must be numeric' });
}
const banId = generateId();
const expiresAt = parseExpiry(duration);
await db.doc(`networkBans/${banId}`).set({
type,
value,
reason,
duration: duration || 'permanent',
expiresAt,
linkedUniqueId: linkedUniqueId || null,
createdAt: now(),
createdBy: req.auth.uid,
});
// Audit log
await db.doc(`adminAuditLog/${generateId()}`).set({
adminId: req.auth.uid,
action: 'BAN_NETWORK',
targetValue: value,
details: `Type: ${type}, Reason: ${reason}, Duration: ${duration || 'permanent'}`,
createdAt: now(),
});
// Send system PM if linked to a user (non-blocking). Track failure so
// the admin UI's PartialFailureToast.buildPartialFailureMessage() can
// surface it via the standard `pms: { failed, total }` shape.
let pmFailed = 0;
let pmTotal = 0;
if (linkedUniqueId) {
pmTotal = 1;
try {
await sendSystemPm(linkedUniqueId, 'A restriction has been placed on your account.');
} catch (e) {
log.warn('system-pm', 'Failed to send', { uniqueId: linkedUniqueId, error: e.message });
pmFailed = 1;
}
}
res.json({ success: true, pms: { failed: pmFailed, total: pmTotal } });
} catch (err) {
log.error('admin-bans', 'Error banning network', { error: err.message });
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Unban device ────────────────────────────────────────────────
router.delete('/admin/bans/device/:deviceId', async (req, res) => {
try {
await db.doc(`deviceBans/${req.params.deviceId}`).delete();
await db.doc(`adminAuditLog/${generateId()}`).set({
adminId: req.auth.uid,
action: 'UNBAN_DEVICE',
targetDeviceId: req.params.deviceId,
createdAt: now(),
});
res.json({ success: true });
} catch (err) {
log.error('admin-bans', 'Error unbanning device', {
deviceId: req.params.deviceId,
error: err.message,
});
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Unban network ───────────────────────────────────────────────
router.delete('/admin/bans/network/:banId', async (req, res) => {
try {
await db.doc(`networkBans/${req.params.banId}`).delete();
await db.doc(`adminAuditLog/${generateId()}`).set({
adminId: req.auth.uid,
action: 'UNBAN_NETWORK',
targetBanId: req.params.banId,
createdAt: now(),
});
res.json({ success: true });
} catch (err) {
log.error('admin-bans', 'Error unbanning network', {
banId: req.params.banId,
error: err.message,
});
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Unban all for user ──────────────────────────────────────────
router.post('/admin/bans/unban-all/:uniqueId', async (req, res) => {
try {
const uniqueId = req.params.uniqueId;
const numericId = Number(uniqueId);
const stringId = String(uniqueId);
const [deviceSnapStr, deviceSnapNum, networkSnapStr, networkSnapNum] = await Promise.all([
db.collection('deviceBans').where('linkedUniqueId', '==', stringId).get(),
db.collection('deviceBans').where('linkedUniqueId', '==', numericId).get(),
db.collection('networkBans').where('linkedUniqueId', '==', stringId).get(),
db.collection('networkBans').where('linkedUniqueId', '==', numericId).get(),
]);
// Deduplicate by doc id in case both queries match the same doc
const seen = new Set();
const allDocs = [];
for (const snap of [deviceSnapStr, deviceSnapNum, networkSnapStr, networkSnapNum]) {
for (const d of snap.docs) {
if (!seen.has(d.id)) {
seen.add(d.id);
allDocs.push(d);
}
}
}
await Promise.all(allDocs.map((d) => d.ref.delete()));
await db.doc(`adminAuditLog/${generateId()}`).set({
adminId: req.auth.uid,
action: 'UNBAN_ALL',
targetUserId: uniqueId,
details: `Removed ${allDocs.length} ban(s)`,
createdAt: now(),
});
// Send system PM about restriction lifted. Track failure for admin UI.
let pmFailed = 0;
try {
await sendSystemPm(uniqueId, 'A restriction on your account has been lifted.');
} catch (e) {
log.warn('system-pm', 'Failed to send', { uniqueId, error: e.message });
pmFailed = 1;
}
res.json({
success: true,
removed: allDocs.length,
pms: { failed: pmFailed, total: 1 },
});
} catch (err) {
log.error('admin-bans', 'Error unbanning all for user', {
uniqueId: req.params.uniqueId,
error: err.message,
});
res.status(500).json({ error: 'Internal server error' });
}
});
// ─── Get bans for user ───────────────────────────────────────────
router.get('/admin/bans/user/:uniqueId', async (req, res) => {
try {
const uniqueId = req.params.uniqueId;
const numericId = Number(uniqueId);
const stringId = String(uniqueId);
const [deviceSnapStr, deviceSnapNum, networkSnapStr, networkSnapNum] = await Promise.all([
db.collection('deviceBans').where('linkedUniqueId', '==', stringId).get(),
db.collection('deviceBans').where('linkedUniqueId', '==', numericId).get(),
db.collection('networkBans').where('linkedUniqueId', '==', stringId).get(),
db.collection('networkBans').where('linkedUniqueId', '==', numericId).get(),
]);
// Deduplicate by doc id in case both queries match the same doc
const seenDevice = new Set();
const deviceBans = [];
for (const snap of [deviceSnapStr, deviceSnapNum]) {
for (const d of snap.docs) {
if (!seenDevice.has(d.id)) {
seenDevice.add(d.id);
deviceBans.push({ id: d.id, ...d.data() });
}
}
}
const seenNetwork = new Set();
const networkBans = [];
for (const snap of [networkSnapStr, networkSnapNum]) {
for (const d of snap.docs) {
if (!seenNetwork.has(d.id)) {
seenNetwork.add(d.id);
networkBans.push({ id: d.id, ...d.data() });
}
}
}
res.json({ deviceBans, networkBans });
} catch (err) {
log.error('admin-bans', 'Error getting bans for user', {
uniqueId: req.params.uniqueId,
error: err.message,
});
res.status(500).json({ error: 'Internal server error' });
}
});
module.exports = router;
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