sforkowany z mirror/friendica
184 wiersze
4.4 KiB
PHP
184 wiersze
4.4 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Test\Util\Database;
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use Friendica\Database\Database;
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use PDO;
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use PDOException;
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/**
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* Overrides the Friendica database class for re-using the connection
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* for different tests
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*
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* Overrides functionality to enforce one transaction per call (for nested transactions)
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*/
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class StaticDatabase extends Database
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{
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/**
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* @var ExtendedPDO
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*/
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private static $staticConnection;
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/**
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* Override the behaviour of connect, due there is just one, static connection at all
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*
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* @return bool|void
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*/
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public function connect()
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{
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if (!is_null($this->connection) && $this->connected()) {
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return true;
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}
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if (!isset(self::$staticConnection)) {
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self::statConnect($_SERVER);
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}
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$this->driver = 'pdo';
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$this->connection = self::$staticConnection;
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$this->connected = true;
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$this->emulate_prepares = false;
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$this->pdo_emulate_prepares = false;
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return $this->connected;
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}
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/**
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* Override the transaction since there are now hierachical transactions possible
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*
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* @return bool
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*/
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public function transaction()
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{
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if (!$this->in_transaction && !$this->connection->beginTransaction()) {
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return false;
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}
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$this->in_transaction = true;
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return true;
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}
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/**
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* Does a commit
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*
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* @return boolean Was the command executed successfully?
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*/
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public function commit()
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{
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if (!$this->performCommit()) {
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return false;
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}
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$this->in_transaction = false;
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return true;
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}
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/**
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* Setup of the global, static connection
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* Either through explicit calling or through implicit using the Database
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*
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* @param array $server $_SERVER variables
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*/
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public static function statConnect(array $server)
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{
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// Use environment variables for mysql if they are set beforehand
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if (!empty($server['MYSQL_HOST'])
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&& (!empty($server['MYSQL_USERNAME'] || !empty($server['MYSQL_USER'])))
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&& $server['MYSQL_PASSWORD'] !== false
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&& !empty($server['MYSQL_DATABASE']))
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{
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$db_host = $server['MYSQL_HOST'];
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if (!empty($server['MYSQL_PORT'])) {
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$db_host .= ':' . $server['MYSQL_PORT'];
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}
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if (!empty($server['MYSQL_USERNAME'])) {
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$db_user = $server['MYSQL_USERNAME'];
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} else {
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$db_user = $server['MYSQL_USER'];
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}
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$db_pw = (string) $server['MYSQL_PASSWORD'];
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$db_data = $server['MYSQL_DATABASE'];
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}
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$port = 0;
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$serveraddr = trim($db_host);
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$serverdata = explode(':', $serveraddr);
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$server = $serverdata[0];
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if (count($serverdata) > 1) {
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$port = trim($serverdata[1]);
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}
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$server = trim($server);
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$user = trim($db_user);
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$pass = trim($db_pw);
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$db = trim($db_data);
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if (!(strlen($server) && strlen($user))) {
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return;
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}
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$connect = "mysql:host=" . $server . ";dbname=" . $db;
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if ($port > 0) {
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$connect .= ";port=" . $port;
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}
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try {
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self::$staticConnection = @new ExtendedPDO($connect, $user, $pass);
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self::$staticConnection->setAttribute(PDO::ATTR_AUTOCOMMIT,0);
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} catch (PDOException $e) {
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/// @TODO At least log exception, don't ignore it!
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}
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}
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/**
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* @return ExtendedPDO The global, static connection
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*/
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public static function getGlobConnection()
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{
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return self::$staticConnection;
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}
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/**
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* Perform a global commit for every nested transaction of the static connection
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*/
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public static function statCommit()
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{
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if (isset(self::$staticConnection)) {
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while (self::$staticConnection->getTransactionDepth() > 0) {
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self::$staticConnection->commit();
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}
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}
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}
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/**
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* Perform a global rollback for every nested transaction of the static connection
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*/
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public static function statRollback()
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{
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if (isset(self::$staticConnection)) {
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while (self::$staticConnection->getTransactionDepth() > 0) {
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self::$staticConnection->rollBack();
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}
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}
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}
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}
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