296 lines
9.0 KiB
PHP
296 lines
9.0 KiB
PHP
<?php
|
|
/**
|
|
* Nextcloud - user_sql
|
|
*
|
|
* @copyright 2021 Marcin Łojewski <dev@mlojewski.me>
|
|
* @author Marcin Łojewski <dev@mlojewski.me>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
namespace OCA\UserSQL\Query;
|
|
|
|
use Doctrine\DBAL\Driver\Statement;
|
|
use Doctrine\DBAL\Exception as DBALException;
|
|
use OC\DB\Connection;
|
|
use OC\DB\ConnectionFactory;
|
|
use OCA\UserSQL\Constant\DB;
|
|
use OCA\UserSQL\Constant\Query;
|
|
use OCA\UserSQL\Properties;
|
|
use OCP\ILogger;
|
|
|
|
/**
|
|
* Used to query a database.
|
|
*
|
|
* @author Marcin Łojewski <dev@mlojewski.me>
|
|
*/
|
|
class DataQuery
|
|
{
|
|
/**
|
|
* @var string The application name.
|
|
*/
|
|
private $appName;
|
|
/**
|
|
* @var ILogger The logger instance.
|
|
*/
|
|
private $logger;
|
|
/**
|
|
* @var Properties The properties array.
|
|
*/
|
|
private $properties;
|
|
/**
|
|
* @var QueryProvider The query provider.
|
|
*/
|
|
private $queryProvider;
|
|
/**
|
|
* @var Connection The database connection.
|
|
*/
|
|
private $connection;
|
|
|
|
/**
|
|
* The class constructor.
|
|
*
|
|
* @param string $AppName The application name.
|
|
* @param ILogger $logger The logger instance.
|
|
* @param Properties $properties The properties array.
|
|
* @param QueryProvider $queryProvider The query provider.
|
|
*/
|
|
public function __construct(
|
|
$AppName, ILogger $logger, Properties $properties,
|
|
QueryProvider $queryProvider
|
|
) {
|
|
$this->appName = $AppName;
|
|
$this->logger = $logger;
|
|
$this->properties = $properties;
|
|
$this->queryProvider = $queryProvider;
|
|
$this->connection = false;
|
|
}
|
|
|
|
/**
|
|
* Execute an update query.
|
|
*
|
|
* @param string $queryName The query name.
|
|
* @param array $params The query parameters.
|
|
*
|
|
* @see Query
|
|
* @return bool TRUE on success, FALSE otherwise.
|
|
*/
|
|
public function update($queryName, $params = [])
|
|
{
|
|
return $this->execQuery($queryName, $params) !== false;
|
|
}
|
|
|
|
/**
|
|
* Run a given query and return the result.
|
|
*
|
|
* @param string $queryName The query to execute.
|
|
* @param array $params The query parameters to bind.
|
|
* @param int $limit Results limit. Defaults to -1 (no limit).
|
|
* @param int $offset Results offset. Defaults to 0.
|
|
*
|
|
* @return Statement|bool Result of query or FALSE on failure.
|
|
*/
|
|
private function execQuery(
|
|
$queryName, $params = [], $limit = -1, $offset = 0
|
|
) {
|
|
if ($this->connection === false) {
|
|
$this->connectToDatabase();
|
|
}
|
|
|
|
$query = $this->queryProvider[$queryName];
|
|
$result = $this->connection->prepare($query, $limit, $offset);
|
|
|
|
foreach ($params as $param => $value) {
|
|
$result->bindValue(":" . $param, $value);
|
|
}
|
|
|
|
$this->logger->debug(
|
|
"Executing query: " . $query . ", " . implode(",", $params),
|
|
["app" => $this->appName]
|
|
);
|
|
|
|
try {
|
|
$result = $result->execute();
|
|
return $result;
|
|
|
|
} catch (DBALException $exception) {
|
|
$this->logger->error(
|
|
"Could not execute the query: " . $exception->getMessage(),
|
|
["app" => $this->appName]
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Connect to the database using Nextcloud's DBAL.
|
|
*/
|
|
private function connectToDatabase()
|
|
{
|
|
$connectionFactory = new ConnectionFactory(
|
|
\OC::$server->getSystemConfig()
|
|
);
|
|
|
|
$parameters = array(
|
|
"host" => $this->properties[DB::HOSTNAME],
|
|
"password" => $this->properties[DB::PASSWORD],
|
|
"user" => $this->properties[DB::USERNAME],
|
|
"dbname" => $this->properties[DB::DATABASE],
|
|
"tablePrefix" => "",
|
|
"driverOptions" => array()
|
|
);
|
|
|
|
if ($this->properties[DB::DRIVER] == 'mysql') {
|
|
if ($this->properties[DB::SSL_CA]) {
|
|
$parameters["driverOptions"][\PDO::MYSQL_ATTR_SSL_CA] = \OC::$SERVERROOT . '/' . $this->properties[DB::SSL_CA];
|
|
}
|
|
if ($this->properties[DB::SSL_CERT]) {
|
|
$parameters["driverOptions"][\PDO::MYSQL_ATTR_SSL_CERT] = \OC::$SERVERROOT . '/' . $this->properties[DB::SSL_CERT];
|
|
}
|
|
if ($this->properties[DB::SSL_KEY]) {
|
|
$parameters["driverOptions"][\PDO::MYSQL_ATTR_SSL_KEY] = \OC::$SERVERROOT . '/' . $this->properties[DB::SSL_KEY];
|
|
}
|
|
}
|
|
|
|
$this->connection = $connectionFactory->getConnection(
|
|
$this->properties[DB::DRIVER], $parameters
|
|
);
|
|
|
|
$this->logger->debug(
|
|
"Database connection established.", ["app" => $this->appName]
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Fetch a value from the first row and the first column which
|
|
* the given query returns. Empty result set is consider to be a failure.
|
|
*
|
|
* @param string $queryName The query to execute.
|
|
* @param array $params The query parameters to bind.
|
|
* @param bool $failure Value returned on database query failure.
|
|
* Defaults to FALSE.
|
|
*
|
|
* @return array|bool Queried value or $failure value on failure.
|
|
*/
|
|
public function queryValue($queryName, $params = [], $failure = false)
|
|
{
|
|
$result = $this->execQuery($queryName, $params);
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
$row = $result->fetchOne();
|
|
if ($row === false) {
|
|
return $failure;
|
|
}
|
|
|
|
return $row;
|
|
}
|
|
|
|
/**
|
|
* Fetch values from the first column which the given query returns.
|
|
*
|
|
* @param string $queryName The query to execute.
|
|
* @param array $params The query parameters to bind.
|
|
* @param int $limit Results limit. Defaults to -1 (no limit).
|
|
* @param int $offset Results offset. Defaults to 0.
|
|
*
|
|
* @return array|bool Queried column or FALSE on failure.
|
|
*/
|
|
public function queryColumn(
|
|
$queryName, $params = [], $limit = -1, $offset = 0
|
|
) {
|
|
$result = $this->execQuery($queryName, $params, $limit, $offset);
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
return $result->fetchFirstColumn();
|
|
}
|
|
|
|
/**
|
|
* Fetch entity returned by the given query.
|
|
*
|
|
* @param string $queryName The query to execute.
|
|
* @param string $entityClass The entity class name.
|
|
* @param array $params The query parameters to bind.
|
|
*
|
|
* @return mixed|null The queried entity, NULL if it does not exists or
|
|
* FALSE on failure.
|
|
*/
|
|
public function queryEntity($queryName, $entityClass, $params = [])
|
|
{
|
|
$result = $this->execQuery($queryName, $params);
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
$entity = $result->fetchAssociative();
|
|
|
|
if ($entity === false) {
|
|
return null;
|
|
}
|
|
|
|
if (empty($entity) === true) {
|
|
$this->logger->debug(
|
|
"Empty result for query: " . $queryName,
|
|
["app" => $this->appName]
|
|
);
|
|
return null;
|
|
}
|
|
|
|
return self::arrayToObject($entity, $entityClass);
|
|
}
|
|
|
|
private function arrayToObject($array, $entityClass)
|
|
{
|
|
$object = new $entityClass();
|
|
foreach ($array as $name => $value) {
|
|
$object->$name = $array[$name];
|
|
}
|
|
return $object;
|
|
}
|
|
|
|
/**
|
|
* Fetch entities returned by the given query.
|
|
*
|
|
* @param string $queryName The query to execute.
|
|
* @param string $entityClass The entity class name.
|
|
* @param array $params The query parameters to bind.
|
|
* @param int $limit Results limit. Defaults to -1 (no limit).
|
|
* @param int $offset Results offset. Defaults to 0.
|
|
*
|
|
* @return mixed|null The queried entities or FALSE on failure.
|
|
*/
|
|
public function queryEntities(
|
|
$queryName, $entityClass, $params = [], $limit = -1, $offset = 0
|
|
) {
|
|
$result = $this->execQuery($queryName, $params, $limit, $offset);
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
return self::iterableToObjectArray($result->iterateAssociative(), $entityClass);
|
|
}
|
|
|
|
private function iterableToObjectArray($array, $entityClass)
|
|
{
|
|
$result = array();
|
|
foreach ($array as $element) {
|
|
$result[] = self::arrayToObject($element, $entityClass);
|
|
}
|
|
return $result;
|
|
}
|
|
}
|