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<?php
/**
* @copyright Copyright (c) 2017, Joas Schilling <coding@schilljs.com>
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Jakob Sack <mail@jakobsack.de>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC;
use OC\DB\OracleConnection;
use OCP\IAppConfig;
use OCP\IConfig;
use OCP\IDBConnection;
/**
* This class provides an easy way for apps to store config values in the
* database.
*/
class AppConfig implements IAppConfig {
/** @var array[] */
protected $sensitiveValues = [
'spreed' => [
'turn_server_secret',
],
'user_ldap' => [
'ldap_agent_password',
],
];
/** @var \OCP\IDBConnection */
protected $conn;
/** @var array[] */
private $cache = [];
/** @var bool */
private $configLoaded = false;
/**
* @param IDBConnection $conn
*/
public function __construct(IDBConnection $conn) {
$this->conn = $conn;
$this->configLoaded = false;
}
/**
* @param string $app
* @return array
*/
private function getAppValues($app) {
$this->loadConfigValues();
if (isset($this->cache[$app])) {
return $this->cache[$app];
}
return [];
}
/**
* Get all apps using the config
*
* @return array an array of app ids
*
* This function returns a list of all apps that have at least one
* entry in the appconfig table.
*/
public function getApps() {
$this->loadConfigValues();
return $this->getSortedKeys($this->cache);
}
/**
* Get the available keys for an app
*
* @param string $app the app we are looking for
* @return array an array of key names
* @deprecated 8.0.0 use method getAppKeys of \OCP\IConfig
*
* This function gets all keys of an app. Please note that the values are
* not returned.
*/
public function getKeys($app) {
$this->loadConfigValues();
if (isset($this->cache[$app])) {
return $this->getSortedKeys($this->cache[$app]);
}
return [];
}
public function getSortedKeys($data) {
$keys = array_keys($data);
sort($keys);
return $keys;
}
/**
* Gets the config value
*
* @param string $app app
* @param string $key key
* @param string $default = null, default value if the key does not exist
* @return string the value or $default
* @deprecated 8.0.0 use method getAppValue of \OCP\IConfig
*
* This function gets a value from the appconfig table. If the key does
* not exist the default value will be returned
*/
public function getValue($app, $key, $default = null) {
$this->loadConfigValues();
if ($this->hasKey($app, $key)) {
return $this->cache[$app][$key];
}
return $default;
}
/**
* check if a key is set in the appconfig
*
* @param string $app
* @param string $key
* @return bool
*/
public function hasKey($app, $key) {
$this->loadConfigValues();
return isset($this->cache[$app][$key]);
}
/**
* Sets a value. If the key did not exist before it will be created.
*
* @param string $app app
* @param string $key key
* @param string|float|int $value value
* @return bool True if the value was inserted or updated, false if the value was the same
* @deprecated 8.0.0 use method setAppValue of \OCP\IConfig
*/
public function setValue($app, $key, $value) {
if (!$this->hasKey($app, $key)) {
$inserted = (bool) $this->conn->insertIfNotExist('*PREFIX*appconfig', [
'appid' => $app,
'configkey' => $key,
'configvalue' => $value,
], [
'appid',
'configkey',
]);
if ($inserted) {
if (!isset($this->cache[$app])) {
$this->cache[$app] = [];
}
$this->cache[$app][$key] = $value;
return true;
}
}
$sql = $this->conn->getQueryBuilder();
$sql->update('appconfig')
->set('configvalue', $sql->createParameter('configvalue'))
->where($sql->expr()->eq('appid', $sql->createParameter('app')))
->andWhere($sql->expr()->eq('configkey', $sql->createParameter('configkey')))
->setParameter('configvalue', $value)
->setParameter('app', $app)
->setParameter('configkey', $key);
/*
* Only limit to the existing value for non-Oracle DBs:
* http://docs.oracle.com/cd/E11882_01/server.112/e26088/conditions002.htm#i1033286
* > Large objects (LOBs) are not supported in comparison conditions.
*/
if (!($this->conn instanceof OracleConnection)) {
// Only update the value when it is not the same
$sql->andWhere($sql->expr()->neq('configvalue', $sql->createParameter('configvalue')))
->setParameter('configvalue', $value);
}
$changedRow = (bool) $sql->execute();
$this->cache[$app][$key] = $value;
return $changedRow;
}
/**
* Deletes a key
*
* @param string $app app
* @param string $key key
* @return boolean
* @deprecated 8.0.0 use method deleteAppValue of \OCP\IConfig
*/
public function deleteKey($app, $key) {
$this->loadConfigValues();
$sql = $this->conn->getQueryBuilder();
$sql->delete('appconfig')
->where($sql->expr()->eq('appid', $sql->createParameter('app')))
->andWhere($sql->expr()->eq('configkey', $sql->createParameter('configkey')))
->setParameter('app', $app)
->setParameter('configkey', $key);
$sql->execute();
unset($this->cache[$app][$key]);
return false;
}
/**
* Remove app from appconfig
*
* @param string $app app
* @return boolean
* @deprecated 8.0.0 use method deleteAppValue of \OCP\IConfig
*
* Removes all keys in appconfig belonging to the app.
*/
public function deleteApp($app) {
$this->loadConfigValues();
$sql = $this->conn->getQueryBuilder();
$sql->delete('appconfig')
->where($sql->expr()->eq('appid', $sql->createParameter('app')))
->setParameter('app', $app);
$sql->execute();
unset($this->cache[$app]);
return false;
}
/**
* get multiple values, either the app or key can be used as wildcard by setting it to false
*
* @param string|false $app
* @param string|false $key
* @return array|false
*/
public function getValues($app, $key) {
if (($app !== false) === ($key !== false)) {
return false;
}
if ($key === false) {
return $this->getAppValues($app);
} else {
$appIds = $this->getApps();
$values = array_map(function($appId) use ($key) {
return isset($this->cache[$appId][$key]) ? $this->cache[$appId][$key] : null;
}, $appIds);
$result = array_combine($appIds, $values);
return array_filter($result);
}
}
/**
* get all values of the app or and filters out sensitive data
*
* @param string $app
* @return array
*/
public function getFilteredValues($app) {
$values = $this->getValues($app, false);
if (array_key_exists($app, $this->sensitiveValues)) {
foreach ($this->sensitiveValues[$app] as $sensitiveKey) {
if (isset($values[$sensitiveKey])) {
$values[$sensitiveKey] = IConfig::SENSITIVE_VALUE;
}
}
}
return $values;
}
/**
* Load all the app config values
*/
protected function loadConfigValues() {
if ($this->configLoaded) {
return;
}
$this->cache = [];
$sql = $this->conn->getQueryBuilder();
$sql->select('*')
->from('appconfig');
$result = $sql->execute();
// we are going to store the result in memory anyway
$rows = $result->fetchAll();
foreach ($rows as $row) {
if (!isset($this->cache[$row['appid']])) {
$this->cache[$row['appid']] = [];
}
$this->cache[$row['appid']][$row['configkey']] = $row['configvalue'];
}
$result->closeCursor();
$this->configLoaded = true;
}
}