mirror of
https://github.com/myronblair/novacpx
synced 2026-06-30 17:50:41 -05:00
myron
39942929a7
- set_exception_handler in api/index.php prevents uncaught exceptions from crashing PHP-FPM - AccountManager::create() wrapped in DB transaction with rollback + Linux user cleanup on failure - CORS origin regex updated to allow requests from port 443 (NPM reverse proxy) - index.html written via sudo tee instead of file_put_contents (www-data permission fix) - chpasswd now called with sudo prefix Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LP9Q4kfCAYAjJnsbHBrViZ
214 lines
11 KiB
PHP
214 lines
11 KiB
PHP
<?php
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/**
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* AccountManager — creates/suspends/terminates Linux hosting accounts
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* Each account = system user + home dir + vhost + DNS zone + mail domain
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*/
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class AccountManager {
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public static function create(array $data): array {
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$db = DB::getInstance();
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$username = strtolower(preg_replace('/[^a-z0-9_]/', '', $data['username']));
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$domain = strtolower(trim($data['domain']));
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$userId = (int)$data['user_id'];
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$pkgId = (int)($data['package_id'] ?? 0);
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$phpVer = $data['php_version'] ?? PHP_DEFAULT;
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$webSrv = WEB_SERVER;
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if (strlen($username) < 2 || strlen($username) > 32) throw new RuntimeException("Username must be 2-32 chars");
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if (!filter_var($domain, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) throw new RuntimeException("Invalid domain");
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// Check uniqueness
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if ($db->fetchOne("SELECT id FROM accounts WHERE username = ?", [$username])) throw new RuntimeException("Username taken");
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if ($db->fetchOne("SELECT id FROM domains WHERE domain = ?", [$domain])) throw new RuntimeException("Domain already hosted");
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$homeDir = "/home/{$username}";
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$docRoot = "{$homeDir}/public_html";
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$password = $data['password'] ?? bin2hex(random_bytes(8));
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// Create Linux user and home directory first
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self::shell("useradd -m -d {$homeDir} -s /sbin/nologin -G www-data " . escapeshellarg($username));
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self::shell("echo " . escapeshellarg("{$username}:{$password}") . " | sudo chpasswd");
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self::shell("sudo mkdir -p {$docRoot} {$homeDir}/logs {$homeDir}/tmp");
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self::shell("sudo chown -R {$username}:www-data {$homeDir}");
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self::shell("sudo chmod 750 {$homeDir}");
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self::shell("sudo chmod 775 {$docRoot}");
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// Default index page (write as root via sudo tee)
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$html = "<html><body style='font-family:sans-serif;text-align:center;padding:4rem'><h1>Welcome to {$domain}</h1><p>Hosted by NovaCPX</p></body></html>";
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self::shell("sudo tee " . escapeshellarg("{$docRoot}/index.html") . " > /dev/null << 'HTMLEOF'\n{$html}\nHTMLEOF");
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// Wrap all DB writes in a transaction so partial failures leave no orphans
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$db->beginTransaction();
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try {
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$acctId = (int)$db->insert(
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"INSERT INTO accounts (user_id, username, domain, home_dir, package_id, php_version, web_server) VALUES (?,?,?,?,?,?,?)",
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[$userId, $username, $domain, $homeDir, $pkgId ?: null, $phpVer, $webSrv]
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);
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$db->insert(
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"INSERT INTO domains (account_id, domain, type, document_root) VALUES (?,?,?,?)",
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[$acctId, $domain, 'main', $docRoot]
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);
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// Create web vhost
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VhostManager::create($username, $domain, $docRoot, $phpVer);
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// Create DNS zone
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DNSManager::createZone($acctId, $domain);
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// Auto-provision SPF, DKIM, DMARC records
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self::provisionEmailDNS($acctId, $domain);
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// Create PHP-FPM pool
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PHPManager::createPool($username, $phpVer);
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$db->commit();
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} catch (Throwable $e) {
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$db->rollBack();
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// Clean up Linux user if DB failed
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self::shell("userdel -r " . escapeshellarg($username) . " 2>/dev/null || true");
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throw $e;
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}
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novacpx_log('info', "Account created: $username ($domain)");
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return ['account_id' => $acctId, 'username' => $username, 'domain' => $domain, 'home_dir' => $homeDir];
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}
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public static function suspend(int $acctId, string $reason = ''): void {
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$db = DB::getInstance();
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$acct = $db->fetchOne("SELECT * FROM accounts WHERE id = ?", [$acctId]);
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if (!$acct) throw new RuntimeException("Account not found");
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self::shell("usermod -L " . escapeshellarg($acct['username']));
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VhostManager::suspend($acct['username'], $acct['domain']);
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$db->execute("UPDATE accounts SET status = 'suspended', suspended_at = NOW() WHERE id = ?", [$acctId]);
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novacpx_log('info', "Account suspended: {$acct['username']} — $reason");
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}
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public static function unsuspend(int $acctId): void {
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$db = DB::getInstance();
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$acct = $db->fetchOne("SELECT * FROM accounts WHERE id = ?", [$acctId]);
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if (!$acct) throw new RuntimeException("Account not found");
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self::shell("usermod -U " . escapeshellarg($acct['username']));
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VhostManager::unsuspend($acct['username'], $acct['domain']);
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$db->execute("UPDATE accounts SET status = 'active', suspended_at = NULL WHERE id = ?", [$acctId]);
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}
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public static function terminate(int $acctId): void {
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require_once NOVACPX_LIB . '/DatabaseManager.php';
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$db = DB::getInstance();
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$acct = $db->fetchOne("SELECT * FROM accounts WHERE id = ?", [$acctId]);
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if (!$acct) throw new RuntimeException("Account not found");
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// Remove vhost
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VhostManager::remove($acct['username'], $acct['domain']);
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// Remove DNS zone
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DNSManager::removeZone($acct['domain']);
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// Drop databases
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$dbs = $db->fetchAll("SELECT * FROM databases WHERE account_id = ?", [$acctId]);
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foreach ($dbs as $dbe) { DatabaseManager::drop($dbe['db_name'], $dbe['db_user'], $dbe['db_type']); }
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// Remove PHP-FPM pool
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PHPManager::removePool($acct['username']);
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// Remove Linux user and home dir
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self::shell("userdel -r " . escapeshellarg($acct['username']) . " 2>/dev/null || true");
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// Remove from DB (cascade handles child tables)
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$db->execute("DELETE FROM users WHERE id = ?", [$acct['user_id']]);
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$db->execute("DELETE FROM accounts WHERE id = ?", [$acctId]);
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novacpx_log('info', "Account terminated: {$acct['username']}");
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}
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public static function provisionEmailDNS(int $acctId, string $domain): void {
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// Generate DKIM keypair
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$keyDir = "/etc/opendkim/keys/{$domain}";
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self::shell("sudo mkdir -p " . escapeshellarg($keyDir));
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self::shell("opendkim-genkey -b 2048 -s mail -d " . escapeshellarg($domain) . " -D " . escapeshellarg($keyDir));
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self::shell("sudo chown -R opendkim:opendkim " . escapeshellarg($keyDir));
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// Parse public key from .txt file
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$keyTxt = @file_get_contents("{$keyDir}/mail.txt") ?: '';
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preg_match('/p=([A-Za-z0-9+\/=]+)/', $keyTxt, $m);
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$pubKey = $m[1] ?? '';
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if ($pubKey) {
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// Register domain/key in opendkim tables
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self::shell("grep -q " . escapeshellarg($domain) . " /etc/opendkim/signing.table 2>/dev/null || echo " . escapeshellarg("*@{$domain} {$domain}") . " >> /etc/opendkim/signing.table");
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self::shell("grep -q " . escapeshellarg($domain) . " /etc/opendkim/key.table 2>/dev/null || echo " . escapeshellarg("{$domain} {$domain}:mail:{$keyDir}/mail.private") . " >> /etc/opendkim/key.table");
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self::shell("systemctl reload opendkim 2>/dev/null || true");
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// Store in DB
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$db = DB::getInstance();
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$db->execute(
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"INSERT INTO dkim_keys (account_id, domain, selector, public_key, private_key_path, created_at) VALUES (?,?,?,?,?,NOW()) ON DUPLICATE KEY UPDATE public_key=VALUES(public_key)",
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[$acctId, $domain, 'mail', $pubKey, "{$keyDir}/mail.private"]
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);
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// DKIM TXT record
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$zoneRow = DB::getInstance()->fetchOne("SELECT id FROM dns_zones WHERE account_id=? AND domain=?", [$acctId, $domain]);
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if ($zoneRow) DNSManager::addRecord((int)$zoneRow['id'], 'mail._domainkey', 'TXT', "v=DKIM1; k=rsa; p={$pubKey}", 300);
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}
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// SPF + DMARC — look up zone once
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$db2 = DB::getInstance();
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$zoneRow = $zoneRow ?? $db2->fetchOne("SELECT id FROM dns_zones WHERE account_id=? AND domain=?", [$acctId, $domain]);
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if ($zoneRow) {
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DNSManager::addRecord((int)$zoneRow['id'], '@', 'TXT', "v=spf1 mx a ~all", 3600);
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DNSManager::addRecord((int)$zoneRow['id'], '_dmarc', 'TXT', "v=DMARC1; p=quarantine; rua=mailto:dmarc@{$domain}", 3600);
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}
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novacpx_log('info', "Email DNS provisioned for $domain");
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}
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public static function rotateDKIM(int $acctId, string $domain): string {
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$db = DB::getInstance();
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$selector = 'mail' . date('Ym');
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$keyDir = "/etc/opendkim/keys/{$domain}";
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self::shell("sudo mkdir -p " . escapeshellarg($keyDir));
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self::shell("opendkim-genkey -b 2048 -s {$selector} -d " . escapeshellarg($domain) . " -D " . escapeshellarg($keyDir));
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self::shell("sudo chown -R opendkim:opendkim " . escapeshellarg($keyDir));
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$keyTxt = @file_get_contents("{$keyDir}/{$selector}.txt") ?: '';
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preg_match('/p=([A-Za-z0-9+\/=]+)/', $keyTxt, $m);
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$pubKey = $m[1] ?? '';
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if (!$pubKey) throw new RuntimeException("DKIM key generation failed");
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// Update key.table
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$keyTableLine = "{$domain} {$domain}:{$selector}:{$keyDir}/{$selector}.private";
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self::shell("sed -i " . escapeshellarg("/^{$domain} /d") . " /etc/opendkim/key.table 2>/dev/null; echo " . escapeshellarg($keyTableLine) . " >> /etc/opendkim/key.table");
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self::shell("systemctl reload opendkim 2>/dev/null || true");
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$db->execute(
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"INSERT INTO dkim_keys (account_id, domain, selector, public_key, private_key_path, created_at) VALUES (?,?,?,?,?,NOW()) ON DUPLICATE KEY UPDATE selector=VALUES(selector), public_key=VALUES(public_key), private_key_path=VALUES(private_key_path)",
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[$acctId, $domain, $selector, $pubKey, "{$keyDir}/{$selector}.private"]
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);
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// Add new TXT record, remove old mail._domainkey
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$zoneRow = $db->fetchOne("SELECT id FROM dns_zones WHERE account_id=? AND domain=?", [$acctId, $domain]);
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if ($zoneRow) DNSManager::addRecord((int)$zoneRow['id'], "{$selector}._domainkey", 'TXT', "v=DKIM1; k=rsa; p={$pubKey}", 300);
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novacpx_log('info', "DKIM rotated for $domain, new selector: $selector");
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return $selector;
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}
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public static function getDiskUsage(string $homeDir): int {
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$out = trim(shell_exec("du -sm " . escapeshellarg($homeDir) . " 2>/dev/null | awk '{print $1}'") ?: '0');
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return (int)$out;
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}
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private static function shell(string $cmd): string {
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// Prefix privileged commands with sudo so www-data can run them
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$privileged = ['useradd','userdel','usermod','chpasswd','a2ensite','a2dissite','apache2ctl','certbot','opendkim-genkey','rndc','named-checkzone','systemctl'];
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$cmdBase = explode(' ', ltrim($cmd))[0];
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foreach ($privileged as $p) {
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if (str_ends_with($cmdBase, $p) || $cmdBase === $p) { $cmd = 'sudo ' . $cmd; break; }
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}
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$out = shell_exec($cmd . ' 2>&1');
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novacpx_log('debug', "shell: $cmd");
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return $out ?: '';
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}
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}
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