Files
Froxlor/lib/Froxlor/Api/Commands/MysqlServer.php
Michael Kaufmann 826ae36647 adjust log-levels in API methods
Signed-off-by: Michael Kaufmann <d00p@froxlor.org>
2023-06-05 12:13:38 +02:00

556 lines
19 KiB
PHP

<?php
/**
* This file is part of the Froxlor project.
* Copyright (c) 2010 the Froxlor Team (see authors).
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can also view it online at
* https://files.froxlor.org/misc/COPYING.txt
*
* @copyright the authors
* @author Froxlor team <team@froxlor.org>
* @license https://files.froxlor.org/misc/COPYING.txt GPLv2
*/
namespace Froxlor\Api\Commands;
use Exception;
use Froxlor\Api\ApiCommand;
use Froxlor\Api\ResourceEntity;
use Froxlor\Database\Database;
use Froxlor\Froxlor;
use Froxlor\FroxlorLogger;
use Froxlor\PhpHelper;
use Froxlor\Validate\Validate;
use PDO;
use PDOException;
class MysqlServer extends ApiCommand implements ResourceEntity
{
/**
* check whether the user is allowed
*
* @throws Exception
*/
private function validateAccess()
{
if ($this->isAdmin() == false || ($this->isAdmin() && $this->getUserDetail('change_serversettings') == 0)) {
throw new Exception("You cannot access this resource", 405);
}
}
/**
* add a new mysql-server
*
* @param string $mysql_host
* ip/hostname of mysql-server
* @param string $mysql_port
* optional, port to connect to
* @param string $mysql_ca
* optional, path to certificate file
* @param string $mysql_verifycert
* optional, verify server certificate
* @param string $privileged_user
* privileged user on the mysql-server (must have GRANT privileges)
* @param string $privileged_password
* password of privileged user
* @param string $description
* optional, description for server
* @param bool $allow_all_customers
* optional add this configuration to the list of every existing customer's allowed-mysqlserver-config list, default is false (no)
* @param bool $test_connection
* optional, test connection with given credentials, default is true (yes)
*
* @access admin
* @return string json-encoded array
* @throws Exception
*/
public function add()
{
$this->validateAccess();
$mysql_host = $this->getParam('mysql_host');
$mysql_port = $this->getParam('mysql_port', true, 3306);
$mysql_ca = $this->getParam('mysql_ca', true, '');
$mysql_verifycert = $this->getBoolParam('mysql_verifycert', true, 0);
$privileged_user = $this->getParam('privileged_user');
$privileged_password = $this->getParam('privileged_password');
$description = $this->getParam('description', true, '');
$allow_all_customers = $this->getParam('allow_all_customers', true, 0);
$test_connection = $this->getParam('test_connection', true, 1);
// validation
$mysql_host_chk = Validate::validate_ip2($mysql_host, true, 'invalidip', true, true, false);
if ($mysql_host_chk === false) {
$mysql_host_chk = Validate::validateLocalHostname($mysql_host);
if ($mysql_host_chk === false) {
$mysql_host_chk = Validate::validateDomain($mysql_host);
if ($mysql_host_chk === false) {
throw new Exception("Invalid mysql server ip/hostname", 406);
}
}
}
$mysql_port = Validate::validate($mysql_port, 'port', Validate::REGEX_PORT, '', [3306], true);
$privileged_password = Validate::validate($privileged_password, 'password', '', '', [], true);
$description = Validate::validate(trim($description), 'description', Validate::REGEX_DESC_TEXT, '', [], true);
// testing connection with given credentials
if ($test_connection) {
$options = array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET names utf8'
);
if (!empty($mysql_ca)) {
$options[PDO::MYSQL_ATTR_SSL_CA] = $mysql_ca;
$options[PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = (bool)$mysql_verifycert;
}
$dsn = "mysql:host=" . $mysql_host . ";port=" . $mysql_port . ";";
try {
$db_test = new \PDO($dsn, $privileged_user, $privileged_password, $options);
unset($db_test);
} catch (PDOException $e) {
throw new Exception("Connection to given mysql database could not be established. Error-message: " . $e->getMessage(), $e->getCode());
}
}
$sql = [];
$sql_root = [];
// get all data from lib/userdata
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
// le format
if (isset($sql['root_user']) && isset($sql['root_password']) && !is_array($sql_root)) {
$sql_root = array(
0 => array(
'caption' => 'Default',
'host' => $sql['host'],
'socket' => (isset($sql['socket']) ? $sql['socket'] : null),
'user' => $sql['root_user'],
'password' => $sql['root_password']
)
);
unset($sql['root_user']);
unset($sql['root_password']);
}
// add new values to sql_root array
$sql_root[] = [
'caption' => $description,
'host' => $mysql_host,
'port' => $mysql_port,
'user' => $privileged_user,
'password' => $privileged_password,
'ssl' => [
'caFile' => $mysql_ca ?? "",
'verifyServerCertificate' => $mysql_verifycert
]
];
$this->generateNewUserData($sql, $sql_root);
// last added to array
$newdbserver = array_key_last($sql_root);
if ($allow_all_customers) {
$this->addDatabaseFromCustomerAllowedList($newdbserver);
}
$this->logger()->logAction(FroxlorLogger::ADM_ACTION, LOG_WARNING, "[API] added new database server '" . $description . "' (" . $mysql_host . ")");
return $this->response(['dbserver' => $newdbserver]);
}
/**
* remove a mysql-server
*
* @param int $id
* optional the number of the mysql server (either id or dbserver must be set)
* @param int $dbserver
* optional the number of the mysql server (either id or dbserver must be set)
*
* @access admin
* @return string json-encoded array
* @throws Exception
*/
public function delete()
{
$this->validateAccess();
$id = (int)$this->getParam('id', true, -1);
$dn_optional = $id >= 0;
$dbserver = (int)$this->getParam('dbserver', $dn_optional, -1);
$dbserver = $id >= 0 ? $id : $dbserver;
if ($dbserver == 0) {
throw new Exception('Cannot delete first/default mysql-server', 406);
}
$sql_root = [];
// get all data from lib/userdata
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
if (!isset($sql_root[$dbserver])) {
throw new Exception('Mysql server not found', 404);
}
// check whether the server is in use by any customer
$result_ms = $this->databasesOnServer(true, $dbserver);
if ($result_ms > 0) {
throw new Exception(lng('error.mysqlserverstillhasdbs'), 406);
}
// when removing, remove from list of allowed_mysqlservers from any customers
$this->removeDatabaseFromCustomerAllowedList($dbserver);
$description = $sql_root[$dbserver]['caption'] ?? "unknown";
$mysql_host = $sql_root[$dbserver]['host'] ?? "unknown";
unset($sql_root[$dbserver]);
$this->logger()->logAction(FroxlorLogger::ADM_ACTION, LOG_WARNING, "[API] removed database server '" . $description . "' (" . $mysql_host . ")");
$this->generateNewUserData($sql, $sql_root);
return $this->response(['true']);
}
/**
* list available mysql-server
*
* @access admin, customer
* @return string json-encoded array
*/
public function listing()
{
$sql = [];
$sql_root = [];
// get all data from lib/userdata
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
// limit customer to its allowed servers
$allowed_mysqls = [];
if ($this->isAdmin() == false) {
$allowed_mysqls = json_decode($this->getUserDetail('allowed_mysqlserver'), true);
}
$result = [];
foreach ($sql_root as $index => $sqlrootdata) {
if ($this->isAdmin() == false) {
if ($allowed_mysqls === false || empty($allowed_mysqls)) {
break;
} elseif (!in_array($index, $allowed_mysqls)) {
continue;
}
// no usernames required for non-admins
unset($sqlrootdata['user']);
}
// passwords will not be returned in any case for security reasons
unset($sqlrootdata['password']);
$sqlrootdata['id'] = $index;
$result[$index] = $sqlrootdata;
}
return $this->response(['list' => $result, 'count' => count($result)]);
}
/**
* returns the total number of mysql servers
*
* @access admin, customer
* @return string json-encoded response message
*/
public function listingCount()
{
if ($this->isAdmin() == false) {
$allowed_mysqls = json_decode($this->getUserDetail('allowed_mysqlserver'), true);
if ($allowed_mysqls) {
return $this->response(count($allowed_mysqls));
}
return $this->response(0);
}
$sql_root = [];
// get all data from lib/userdata
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
return $this->response(count($sql_root));
}
/**
* Return info about a specific mysql-server
*
* @param int $id
* optional the number of the mysql server (either id or dbserver must be set)
* @param int $dbserver
* optional the number of the mysql server (either id or dbserver must be set)
*
* @access admin, customer
* @return string json-encoded array
* @throws Exception
*/
public function get()
{
$id = (int)$this->getParam('id', true, -1);
$dn_optional = $id >= 0;
$dbserver = (int)$this->getParam('dbserver', $dn_optional, -1);
$dbserver = $id >= 0 ? $id : $dbserver;
$sql_root = [];
// get all data from lib/userdata
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
if (!isset($sql_root[$dbserver])) {
throw new Exception('Mysql server not found', 404);
}
// limit customer to its allowed servers
if ($this->isAdmin() == false) {
$allowed_mysqls = json_decode($this->getUserDetail('allowed_mysqlserver'), true);
if ($allowed_mysqls === false || empty($allowed_mysqls) || !in_array($dbserver, $allowed_mysqls)) {
throw new Exception("You cannot access this resource", 405);
}
// no usernames required for non-admins
unset($sql_root[$dbserver]['user']);
}
unset($sql_root[$dbserver]['password']);
$sql_root[$dbserver]['id'] = $dbserver;
$this->logger()->logAction(FroxlorLogger::ADM_ACTION, LOG_INFO, "[API] get database-server '" . $sql_root[$dbserver]['caption'] . "'");
return $this->response($sql_root[$dbserver]);
}
/**
* update given mysql-server
*
* @param int $id
* optional the number of the mysql server (either id or dbserver must be set)
* @param int $dbserver
* optional the number of the mysql server (either id or dbserver must be set)
* @param string $mysql_host
* ip/hostname of mysql-server
* @param string $mysql_port
* optional, port to connect to
* @param string $mysql_ca
* optional, path to certificate file
* @param string $mysql_verifycert
* optional, verify server certificate
* @param string $privileged_user
* privileged user on the mysql-server (must have GRANT privileges)
* @param string $privileged_password
* password of privileged user
* @param string $description
* optional, description for server
* @param bool $allow_all_customers
* optional add this configuration to the list of every existing customer's allowed-mysqlserver-config list, default is false (no)
* @param bool $test_connection
* optional, test connection with given credentials, default is true (yes)
*
* @access admin
* @return string json-encoded array
* @throws Exception
*/
public function update()
{
$this->validateAccess();
$id = (int)$this->getParam('id', true, -1);
$dn_optional = $id >= 0;
$dbserver = (int)$this->getParam('dbserver', $dn_optional, -1);
$dbserver = $id >= 0 ? $id : $dbserver;
$sql_root = [];
require Froxlor::getInstallDir() . "/lib/userdata.inc.php";
if (!isset($sql_root[$dbserver])) {
throw new Exception('Mysql server not found', 404);
}
$result = $sql_root[$dbserver];
if ($dbserver == 0) {
$mysql_host = $result['host'];
} else {
$mysql_host = $this->getParam('mysql_host', true, $result['host']);
}
$mysql_port = $this->getParam('mysql_port', true, $result['port'] ?? 3306);
$mysql_ca = $this->getParam('mysql_ca', true, $result['ssl']['caFile'] ?? '');
$mysql_verifycert = $this->getBoolParam('mysql_verifycert', true, $result['ssl']['verifyServerCertificate'] ?? 0);
$privileged_user = $this->getParam('privileged_user', true, $result['user']);
$privileged_password = $this->getParam('privileged_password', true, '');
$description = $this->getParam('description', true, $result['caption']);
$allow_all_customers = $this->getParam('allow_all_customers', true, 0);
$test_connection = $this->getParam('test_connection', true, 1);
// validation
$mysql_host_chk = Validate::validate_ip2($mysql_host, true, 'invalidip', true, true, false);
if ($mysql_host_chk === false) {
$mysql_host_chk = Validate::validateLocalHostname($mysql_host);
if ($mysql_host_chk === false) {
$mysql_host_chk = Validate::validateDomain($mysql_host);
if ($mysql_host_chk === false) {
throw new Exception("Invalid mysql server ip/hostname", 406);
}
}
}
$mysql_port = Validate::validate($mysql_port, 'port', Validate::REGEX_PORT, '', [3306], true);
$privileged_password = Validate::validate($privileged_password, 'password', '', '', [], true);
$description = Validate::validate(trim($description), 'description', Validate::REGEX_DESC_TEXT, '', [], true);
// keep old password?
if (empty($privileged_password)) {
$privileged_password = $result['password'];
}
if ($mysql_host != $result['host']) {
// check whether the server is in use by any customer
$result_ms = $this->databasesOnServer(true, $dbserver);
if ($result_ms > 0) {
throw new Exception("Unable to update mysql-host as there are still databases on it", 406);
}
}
// testing connection with given credentials
if ($test_connection) {
$options = array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET names utf8'
);
if (!empty($mysql_ca)) {
$options[PDO::MYSQL_ATTR_SSL_CA] = $mysql_ca;
$options[PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT] = (bool)$mysql_verifycert;
}
$dsn = "mysql:host=" . $mysql_host . ";port=" . $mysql_port . ";";
try {
$db_test = new \PDO($dsn, $privileged_user, $privileged_password, $options);
unset($db_test);
} catch (PDOException $e) {
throw new Exception("Connection to given mysql database could not be established. Error-message: " . $e->getMessage(), $e->getCode());
}
}
// set new values to sql_root array
$sql_root[$dbserver] = [
'caption' => $description,
'host' => $mysql_host,
'port' => $mysql_port,
'user' => $privileged_user,
'password' => $privileged_password,
'ssl' => [
'caFile' => $mysql_ca ?? "",
'verifyServerCertificate' => $mysql_verifycert ?? false
]
];
$this->generateNewUserData($sql, $sql_root);
if ($allow_all_customers) {
$this->addDatabaseFromCustomerAllowedList($dbserver);
}
$this->logger()->logAction(FroxlorLogger::ADM_ACTION, LOG_WARNING, "[API] edited database server '" . $description . "' (" . $mysql_host . ")");
return $this->response(['true']);
}
/**
* check whether a given customer / current user (as customer) has
* databases on the given dbserver
*
* @param int $mysql_server
* @param int $customerid
* optional, admin-only, select ftp-users of a specific customer by id
* @param string $loginname
* optional, admin-only, select ftp-users of a specific customer by loginname
*
* @access admin, customer
* @return string json-encoded array count
*/
public function databasesOnServer(bool $internal_all = false, int $dbserver = 0)
{
if ($internal_all) {
$result_stmt = Database::prepare("
SELECT COUNT(*) num_dbs FROM `" . TABLE_PANEL_DATABASES . "`
WHERE `dbserver` = :dbserver
");
$result = Database::pexecute_first($result_stmt, ['dbserver' => $dbserver], true, true);
return (int)$result['num_dbs'];
} else {
$dbserver = $this->getParam('mysql_server');
$customer_ids = $this->getAllowedCustomerIds();
$result_stmt = Database::prepare("
SELECT COUNT(*) num_dbs FROM `" . TABLE_PANEL_DATABASES . "`
WHERE `customerid` IN (" . implode(", ", $customer_ids) . ") AND `dbserver` = :dbserver
");
$result = Database::pexecute_first($result_stmt, ['dbserver' => $dbserver], true, true);
return $this->response(['count' => $result['num_dbs']]);
}
}
private function removeDatabaseFromCustomerAllowedList(int $dbserver)
{
$sel_stmt = Database::prepare("
SELECT customerid, allowed_mysqlserver FROM `" . TABLE_PANEL_CUSTOMERS . "`
");
Database::pexecute($sel_stmt);
$upd_stmt = Database::prepare("
UPDATE `" . TABLE_PANEL_CUSTOMERS . "` SET
`allowed_mysqlserver` = :am WHERE `customerid` = :cid
");
while ($customer = $sel_stmt->fetch(PDO::FETCH_ASSOC)) {
$allowed_mysqls = json_decode(($customer['allowed_mysqlserver'] ?? '[]'), true);
if (($key = array_search($dbserver, $allowed_mysqls)) !== false) {
unset($allowed_mysqls[$key]);
$allowed_mysqls = json_encode($allowed_mysqls);
Database::pexecute($upd_stmt, ['am' => $allowed_mysqls, 'cid' => $customer['customerid']]);
}
}
}
private function addDatabaseFromCustomerAllowedList(int $dbserver)
{
$sel_stmt = Database::prepare("
SELECT customerid, allowed_mysqlserver FROM `" . TABLE_PANEL_CUSTOMERS . "`
");
Database::pexecute($sel_stmt);
$upd_stmt = Database::prepare("
UPDATE `" . TABLE_PANEL_CUSTOMERS . "` SET
`allowed_mysqlserver` = :am WHERE `customerid` = :cid
");
while ($customer = $sel_stmt->fetch(PDO::FETCH_ASSOC)) {
$allowed_mysqls = json_decode(($customer['allowed_mysqlserver'] ?: '[]'), true);
if (!in_array($dbserver, $allowed_mysqls)) {
$allowed_mysqls[] = $dbserver;
$allowed_mysqls = json_encode($allowed_mysqls);
Database::pexecute($upd_stmt, ['am' => $allowed_mysqls, 'cid' => $customer['customerid']]);
}
}
}
/**
* write new userdata.inc.php file
*/
private function generateNewUserData(array $sql, array $sql_root)
{
$content = PhpHelper::parseArrayToPhpFile(
['sql' => $sql, 'sql_root' => $sql_root],
'automatically generated userdata.inc.php for froxlor'
);
chmod(Froxlor::getInstallDir() . "/lib/userdata.inc.php", 0700);
file_put_contents(Froxlor::getInstallDir() . "/lib/userdata.inc.php", $content);
chmod(Froxlor::getInstallDir() . "/lib/userdata.inc.php", 0400);
clearstatcache();
if (function_exists('opcache_invalidate')) {
@opcache_invalidate(Froxlor::getInstallDir() . "/lib/userdata.inc.php", true);
}
}
}