AllConfig::fixDIInit() - Code Metrics - Inspection of "Merge pull request #14066 from nextcloud/feature/n..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 7c68e0...2cc411 )

by Joas

created 2019-02-22 10:54 UTC

AllConfig::fixDIInit() A

↳ Parent: AllConfig

Complexity

Conditions	2
Paths	2

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	2
nc	2
nop	0
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Bart Visscher <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Jörn Friedrich Dreyer <[email protected]>
 * @author Loki3000 <[email protected]>
 * @author Lukas Reschke <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Robin McCorkell <[email protected]>
 * @author Roeland Jago Douma <[email protected]>
 * @author Thomas Müller <[email protected]>
 * @author Vincent Petry <[email protected]>
 *
 * @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\Cache\CappedMemoryCache;
use OCP\IDBConnection;
use OCP\PreConditionNotMetException;

/**
 * Class to combine all the configuration options ownCloud offers
 */
class AllConfig implements \OCP\IConfig {
	/** @var SystemConfig */
	private $systemConfig;

	/** @var IDBConnection */
	private $connection;

	/**
	 * 3 dimensional array with the following structure:
	 * [ $userId =>
	 *     [ $appId =>
	 *         [ $key => $value ]
	 *     ]
	 * ]
	 *
	 * database table: preferences
	 *
	 * methods that use this:
	 *   - setUserValue
	 *   - getUserValue
	 *   - getUserKeys
	 *   - deleteUserValue
	 *   - deleteAllUserValues
	 *   - deleteAppFromAllUsers
	 *
	 * @var CappedMemoryCache $userCache
	 */
	private $userCache;

	/**
	 * @param SystemConfig $systemConfig
	 */
	public function __construct(SystemConfig $systemConfig) {
		$this->userCache = new CappedMemoryCache();
		$this->systemConfig = $systemConfig;
	}

	/**
	 * TODO - FIXME This fixes an issue with base.php that cause cyclic
	 * dependencies, especially with autoconfig setup
	 *
	 * Replace this by properly injected database connection. Currently the
	 * base.php triggers the getDatabaseConnection too early which causes in
	 * autoconfig setup case a too early distributed database connection and
	 * the autoconfig then needs to reinit all already initialized dependencies
	 * that use the database connection.
	 *
	 * otherwise a SQLite database is created in the wrong directory
	 * because the database connection was created with an uninitialized config
	 */
	private function fixDIInit() {
		if($this->connection === null) {
			$this->connection = \OC::$server->getDatabaseConnection();
		}
	}

	/**
	 * Sets and deletes system wide values
	 *
	 * @param array $configs Associative array with `key => value` pairs
	 *                       If value is null, the config key will be deleted
	 */
	public function setSystemValues(array $configs) {
		$this->systemConfig->setValues($configs);
	}

	/**
	 * Sets a new system wide value
	 *
	 * @param string $key the key of the value, under which will be saved
	 * @param mixed $value the value that should be stored
	 */
	public function setSystemValue($key, $value) {
		$this->systemConfig->setValue($key, $value);
	}

	/**
	 * Looks up a system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 */
	public function getSystemValue($key, $default = '') {
		return $this->systemConfig->getValue($key, $default);
	}

	/**
	 * Looks up a boolean system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 * @since 16.0.0
	 */
	public function getSystemValueBool(string $key, bool $default = false): bool {
		return (bool) $this->getSystemValue($key, $default);
	}

	/**
	 * Looks up an integer system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 * @since 16.0.0
	 */
	public function getSystemValueInt(string $key, int $default = 0): int {
		return (int) $this->getSystemValue($key, $default);
	}

	/**
	 * Looks up a string system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 * @since 16.0.0
	 */
	public function getSystemValueString(string $key, string $default = ''): string {
		return (string) $this->getSystemValue($key, $default);
	}

	/**
	 * Looks up a system wide defined value and filters out sensitive data
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 */
	public function getFilteredSystemValue($key, $default = '') {
		return $this->systemConfig->getFilteredValue($key, $default);
	}

	/**
	 * Delete a system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 */
	public function deleteSystemValue($key) {
		$this->systemConfig->deleteValue($key);
	}

	/**
	 * Get all keys stored for an app
	 *
	 * @param string $appName the appName that we stored the value under
	 * @return string[] the keys stored for the app
	 */
	public function getAppKeys($appName) {
		return \OC::$server->query(\OC\AppConfig::class)->getKeys($appName);
	}

	/**
	 * Writes a new app wide value
	 *
	 * @param string $appName the appName that we want to store the value under
	 * @param string $key the key of the value, under which will be saved
	 * @param string|float|int $value the value that should be stored
	 */
	public function setAppValue($appName, $key, $value) {
		\OC::$server->query(\OC\AppConfig::class)->setValue($appName, $key, $value);
	}

	/**
	 * Looks up an app wide defined value
	 *
	 * @param string $appName the appName that we stored the value under
	 * @param string $key the key of the value, under which it was saved
	 * @param string $default the default value to be returned if the value isn't set
	 * @return string the saved value
	 */
	public function getAppValue($appName, $key, $default = '') {
		return \OC::$server->query(\OC\AppConfig::class)->getValue($appName, $key, $default);
	}

	/**
	 * Delete an app wide defined value
	 *
	 * @param string $appName the appName that we stored the value under
	 * @param string $key the key of the value, under which it was saved
	 */
	public function deleteAppValue($appName, $key) {
		\OC::$server->query(\OC\AppConfig::class)->deleteKey($appName, $key);
	}

	/**
	 * Removes all keys in appconfig belonging to the app
	 *
	 * @param string $appName the appName the configs are stored under
	 */
	public function deleteAppValues($appName) {
		\OC::$server->query(\OC\AppConfig::class)->deleteApp($appName);
	}


	/**
	 * Set a user defined value
	 *
	 * @param string $userId the userId of the user that we want to store the value under
	 * @param string $appName the appName that we want to store the value under
	 * @param string $key the key under which the value is being stored
	 * @param string|float|int $value the value that you want to store
	 * @param string $preCondition only update if the config value was previously the value passed as $preCondition
	 * @throws \OCP\PreConditionNotMetException if a precondition is specified and is not met
	 * @throws \UnexpectedValueException when trying to store an unexpected value
	 */
	public function setUserValue($userId, $appName, $key, $value, $preCondition = null) {
		if (!is_int($value) && !is_float($value) && !is_string($value)) {

			throw new \UnexpectedValueException('Only integers, floats and strings are allowed as value');
		}

		// TODO - FIXME
		$this->fixDIInit();

		$prevValue = $this->getUserValue($userId, $appName, $key, null);

		if ($prevValue !== null) {

			if ($prevValue === (string)$value) {
				return;
			} else if ($preCondition !== null && $prevValue !== (string)$preCondition) {
				throw new PreConditionNotMetException();
			} else {
				$qb = $this->connection->getQueryBuilder();
				$qb->update('preferences')
					->set('configvalue', $qb->createNamedParameter($value))
					->where($qb->expr()->eq('userid', $qb->createNamedParameter($userId)))
					->andWhere($qb->expr()->eq('appid', $qb->createNamedParameter($appName)))
					->andWhere($qb->expr()->eq('configkey', $qb->createNamedParameter($key)));
				$qb->execute();

				$this->userCache[$userId][$appName][$key] = (string)$value;
				return;
			}
		}

		$preconditionArray = [];
		if (isset($preCondition)) {
			$preconditionArray = [
				'configvalue' => $preCondition,
			];
		}

		$this->connection->setValues('preferences', [
			'userid' => $userId,
			'appid' => $appName,
			'configkey' => $key,
		], [
			'configvalue' => $value,
		], $preconditionArray);

		// only add to the cache if we already loaded data for the user
		if (isset($this->userCache[$userId])) {
			if (!isset($this->userCache[$userId][$appName])) {
				$this->userCache[$userId][$appName] = array();
			}
			$this->userCache[$userId][$appName][$key] = (string)$value;
		}
	}

	/**
	 * Getting a user defined value
	 *
	 * @param string $userId the userId of the user that we want to store the value under
	 * @param string $appName the appName that we stored the value under
	 * @param string $key the key under which the value is being stored
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return string
	 */
	public function getUserValue($userId, $appName, $key, $default = '') {
		$data = $this->getUserValues($userId);
		if (isset($data[$appName]) and isset($data[$appName][$key])) {
			return $data[$appName][$key];
		} else {
			return $default;
		}
	}

	/**
	 * Get the keys of all stored by an app for the user
	 *
	 * @param string $userId the userId of the user that we want to store the value under
	 * @param string $appName the appName that we stored the value under
	 * @return string[]
	 */
	public function getUserKeys($userId, $appName) {
		$data = $this->getUserValues($userId);
		if (isset($data[$appName])) {
			return array_keys($data[$appName]);
		} else {
			return array();
		}
	}

	/**
	 * Delete a user value
	 *
	 * @param string $userId the userId of the user that we want to store the value under
	 * @param string $appName the appName that we stored the value under
	 * @param string $key the key under which the value is being stored
	 */
	public function deleteUserValue($userId, $appName, $key) {
		// TODO - FIXME
		$this->fixDIInit();

		$sql  = 'DELETE FROM `*PREFIX*preferences` '.
				'WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
		$this->connection->executeUpdate($sql, array($userId, $appName, $key));

		if (isset($this->userCache[$userId]) and isset($this->userCache[$userId][$appName])) {
			unset($this->userCache[$userId][$appName][$key]);
		}
	}

	/**
	 * Delete all user values
	 *
	 * @param string $userId the userId of the user that we want to remove all values from
	 */
	public function deleteAllUserValues($userId) {
		// TODO - FIXME
		$this->fixDIInit();

		$sql  = 'DELETE FROM `*PREFIX*preferences` '.
			'WHERE `userid` = ?';
		$this->connection->executeUpdate($sql, array($userId));

		unset($this->userCache[$userId]);
	}

	/**
	 * Delete all user related values of one app
	 *
	 * @param string $appName the appName of the app that we want to remove all values from
	 */
	public function deleteAppFromAllUsers($appName) {
		// TODO - FIXME
		$this->fixDIInit();

		$sql  = 'DELETE FROM `*PREFIX*preferences` '.
				'WHERE `appid` = ?';
		$this->connection->executeUpdate($sql, array($appName));

		foreach ($this->userCache as &$userCache) {
			unset($userCache[$appName]);
		}
	}

	/**
	 * Returns all user configs sorted by app of one user
	 *
	 * @param string $userId the user ID to get the app configs from
	 * @return array[] - 2 dimensional array with the following structure:
	 *     [ $appId =>
	 *         [ $key => $value ]
	 *     ]
	 */
	private function getUserValues($userId) {
		if (isset($this->userCache[$userId])) {
			return $this->userCache[$userId];
		}
		if ($userId === null || $userId === '') {
			$this->userCache[$userId]=array();
			return $this->userCache[$userId];
		}

		// TODO - FIXME
		$this->fixDIInit();

		$data = array();
		$query = 'SELECT `appid`, `configkey`, `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ?';
		$result = $this->connection->executeQuery($query, array($userId));
		while ($row = $result->fetch()) {
			$appId = $row['appid'];
			if (!isset($data[$appId])) {
				$data[$appId] = array();
			}
			$data[$appId][$row['configkey']] = $row['configvalue'];
		}
		$this->userCache[$userId] = $data;
		return $data;
	}

	/**
	 * Fetches a mapped list of userId -> value, for a specified app and key and a list of user IDs.
	 *
	 * @param string $appName app to get the value for
	 * @param string $key the key to get the value for
	 * @param array $userIds the user IDs to fetch the values for
	 * @return array Mapped values: userId => value
	 */
	public function getUserValueForUsers($appName, $key, $userIds) {
		// TODO - FIXME
		$this->fixDIInit();

		if (empty($userIds) || !is_array($userIds)) {
			return array();
		}

		$chunkedUsers = array_chunk($userIds, 50, true);
		$placeholders50 = implode(',', array_fill(0, 50, '?'));

		$userValues = array();
		foreach ($chunkedUsers as $chunk) {
			$queryParams = $chunk;
			// create [$app, $key, $chunkedUsers]
			array_unshift($queryParams, $key);
			array_unshift($queryParams, $appName);

			$placeholders = (count($chunk) === 50) ? $placeholders50 :  implode(',', array_fill(0, count($chunk), '?'));

			$query    = 'SELECT `userid`, `configvalue` ' .
						'FROM `*PREFIX*preferences` ' .
						'WHERE `appid` = ? AND `configkey` = ? ' .
						'AND `userid` IN (' . $placeholders . ')';
			$result = $this->connection->executeQuery($query, $queryParams);

			while ($row = $result->fetch()) {
				$userValues[$row['userid']] = $row['configvalue'];
			}
		}

		return $userValues;
	}

	/**
	 * Determines the users that have the given value set for a specific app-key-pair
	 *
	 * @param string $appName the app to get the user for
	 * @param string $key the key to get the user for
	 * @param string $value the value to get the user for
	 * @return array of user IDs
	 */
	public function getUsersForUserValue($appName, $key, $value) {
		// TODO - FIXME
		$this->fixDIInit();

		$sql  = 'SELECT `userid` FROM `*PREFIX*preferences` ' .
				'WHERE `appid` = ? AND `configkey` = ? ';

		if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
			//oracle hack: need to explicitly cast CLOB to CHAR for comparison
			$sql .= 'AND to_char(`configvalue`) = ?';
		} else {
			$sql .= 'AND `configvalue` = ?';
		}

		$result = $this->connection->executeQuery($sql, array($appName, $key, $value));

		$userIDs = array();
		while ($row = $result->fetch()) {
			$userIDs[] = $row['userid'];
		}

		return $userIDs;
	}

	/**
	 * Determines the users that have the given value set for a specific app-key-pair
	 *
	 * @param string $appName the app to get the user for
	 * @param string $key the key to get the user for
	 * @param string $value the value to get the user for
	 * @return array of user IDs
	 */
	public function getUsersForUserValueCaseInsensitive($appName, $key, $value) {
		// TODO - FIXME
		$this->fixDIInit();

		$sql  = 'SELECT `userid` FROM `*PREFIX*preferences` ' .
			'WHERE `appid` = ? AND `configkey` = ? ';

		if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
			//oracle hack: need to explicitly cast CLOB to CHAR for comparison
			$sql .= 'AND LOWER(to_char(`configvalue`)) = LOWER(?)';
		} else {
			$sql .= 'AND LOWER(`configvalue`) = LOWER(?)';
		}

		$result = $this->connection->executeQuery($sql, array($appName, $key, $value));

		$userIDs = array();
		while ($row = $result->fetch()) {
			$userIDs[] = $row['userid'];
		}

		return $userIDs;
	}

	public function getSystemConfig() {
		return $this->systemConfig;
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Bart Visscher <[email protected]>
6			* @author Joas Schilling <[email protected]>
7			* @author Jörn Friedrich Dreyer <[email protected]>
8			* @author Loki3000 <[email protected]>
9			* @author Lukas Reschke <[email protected]>
10			* @author Morris Jobke <[email protected]>
11			* @author Robin Appelman <[email protected]>
12			* @author Robin McCorkell <[email protected]>
13			* @author Roeland Jago Douma <[email protected]>
14			* @author Thomas Müller <[email protected]>
15			* @author Vincent Petry <[email protected]>
16			*
17			* @license AGPL-3.0
18			*
19			* This code is free software: you can redistribute it and/or modify
20			* it under the terms of the GNU Affero General Public License, version 3,
21			* as published by the Free Software Foundation.
22			*
23			* This program is distributed in the hope that it will be useful,
24			* but WITHOUT ANY WARRANTY; without even the implied warranty of
25			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26			* GNU Affero General Public License for more details.
27			*
28			* You should have received a copy of the GNU Affero General Public License, version 3,
29			* along with this program. If not, see <http://www.gnu.org/licenses/>
30			*
31			*/
32
33			namespace OC;
34			use OC\Cache\CappedMemoryCache;
35			use OCP\IDBConnection;
36			use OCP\PreConditionNotMetException;
37
38			/**
39			* Class to combine all the configuration options ownCloud offers
40			*/
41			class AllConfig implements \OCP\IConfig {
42			/** @var SystemConfig */
43			private $systemConfig;
44
45			/** @var IDBConnection */
46			private $connection;
47
48			/**
49			* 3 dimensional array with the following structure:
50			* [ $userId =>
51			* [ $appId =>
52			* [ $key => $value ]
53			* ]
54			* ]
55			*
56			* database table: preferences
57			*
58			* methods that use this:
59			* - setUserValue
60			* - getUserValue
61			* - getUserKeys
62			* - deleteUserValue
63			* - deleteAllUserValues
64			* - deleteAppFromAllUsers
65			*
66			* @var CappedMemoryCache $userCache
67			*/
68			private $userCache;
69
70			/**
71			* @param SystemConfig $systemConfig
72			*/
73			public function __construct(SystemConfig $systemConfig) {
74			$this->userCache = new CappedMemoryCache();
75			$this->systemConfig = $systemConfig;
76			}
77
78			/**
79			* TODO - FIXME This fixes an issue with base.php that cause cyclic
80			* dependencies, especially with autoconfig setup
81			*
82			* Replace this by properly injected database connection. Currently the
83			* base.php triggers the getDatabaseConnection too early which causes in
84			* autoconfig setup case a too early distributed database connection and
85			* the autoconfig then needs to reinit all already initialized dependencies
86			* that use the database connection.
87			*
88			* otherwise a SQLite database is created in the wrong directory
89			* because the database connection was created with an uninitialized config
90			*/
91			private function fixDIInit() {
92			if($this->connection === null) {
93			$this->connection = \OC::$server->getDatabaseConnection();
94			}
95			}
96
97			/**
98			* Sets and deletes system wide values
99			*
100			* @param array $configs Associative array with `key => value` pairs
101			* If value is null, the config key will be deleted
102			*/
103			public function setSystemValues(array $configs) {
104			$this->systemConfig->setValues($configs);
105			}
106
107			/**
108			* Sets a new system wide value
109			*
110			* @param string $key the key of the value, under which will be saved
111			* @param mixed $value the value that should be stored
112			*/
113			public function setSystemValue($key, $value) {
114			$this->systemConfig->setValue($key, $value);
115			}
116
117			/**
118			* Looks up a system wide defined value
119			*
120			* @param string $key the key of the value, under which it was saved
121			* @param mixed $default the default value to be returned if the value isn't set
122			* @return mixed the value or $default
123			*/
124			public function getSystemValue($key, $default = '') {
125			return $this->systemConfig->getValue($key, $default);
126			}
127
128			/**
129			* Looks up a boolean system wide defined value
130			*
131			* @param string $key the key of the value, under which it was saved
132			* @param mixed $default the default value to be returned if the value isn't set
133			* @return mixed the value or $default
134			* @since 16.0.0
135			*/
136			public function getSystemValueBool(string $key, bool $default = false): bool {
137			return (bool) $this->getSystemValue($key, $default);
138			}
139
140			/**
141			* Looks up an integer system wide defined value
142			*
143			* @param string $key the key of the value, under which it was saved
144			* @param mixed $default the default value to be returned if the value isn't set
145			* @return mixed the value or $default
146			* @since 16.0.0
147			*/
148			public function getSystemValueInt(string $key, int $default = 0): int {
149			return (int) $this->getSystemValue($key, $default);
150			}
151
152			/**
153			* Looks up a string system wide defined value
154			*
155			* @param string $key the key of the value, under which it was saved
156			* @param mixed $default the default value to be returned if the value isn't set
157			* @return mixed the value or $default
158			* @since 16.0.0
159			*/
160			public function getSystemValueString(string $key, string $default = ''): string {
161			return (string) $this->getSystemValue($key, $default);
162			}
163
164			/**
165			* Looks up a system wide defined value and filters out sensitive data
166			*
167			* @param string $key the key of the value, under which it was saved
168			* @param mixed $default the default value to be returned if the value isn't set
169			* @return mixed the value or $default
170			*/
171			public function getFilteredSystemValue($key, $default = '') {
172			return $this->systemConfig->getFilteredValue($key, $default);
173			}
174
175			/**
176			* Delete a system wide defined value
177			*
178			* @param string $key the key of the value, under which it was saved
179			*/
180			public function deleteSystemValue($key) {
181			$this->systemConfig->deleteValue($key);
182			}
183
184			/**
185			* Get all keys stored for an app
186			*
187			* @param string $appName the appName that we stored the value under
188			* @return string[] the keys stored for the app
189			*/
190			public function getAppKeys($appName) {
191			return \OC::$server->query(\OC\AppConfig::class)->getKeys($appName);
192			}
193
194			/**
195			* Writes a new app wide value
196			*
197			* @param string $appName the appName that we want to store the value under
198			* @param string $key the key of the value, under which will be saved
199			* @param string\|float\|int $value the value that should be stored
200			*/
201			public function setAppValue($appName, $key, $value) {
202			\OC::$server->query(\OC\AppConfig::class)->setValue($appName, $key, $value);
203			}
204
205			/**
206			* Looks up an app wide defined value
207			*
208			* @param string $appName the appName that we stored the value under
209			* @param string $key the key of the value, under which it was saved
210			* @param string $default the default value to be returned if the value isn't set
211			* @return string the saved value
212			*/
213			public function getAppValue($appName, $key, $default = '') {
214			return \OC::$server->query(\OC\AppConfig::class)->getValue($appName, $key, $default);
215			}
216
217			/**
218			* Delete an app wide defined value
219			*
220			* @param string $appName the appName that we stored the value under
221			* @param string $key the key of the value, under which it was saved
222			*/
223			public function deleteAppValue($appName, $key) {
224			\OC::$server->query(\OC\AppConfig::class)->deleteKey($appName, $key);
225			}
226
227			/**
228			* Removes all keys in appconfig belonging to the app
229			*
230			* @param string $appName the appName the configs are stored under
231			*/
232			public function deleteAppValues($appName) {
233			\OC::$server->query(\OC\AppConfig::class)->deleteApp($appName);
234			}
235
236
237			/**
238			* Set a user defined value
239			*
240			* @param string $userId the userId of the user that we want to store the value under
241			* @param string $appName the appName that we want to store the value under
242			* @param string $key the key under which the value is being stored
243			* @param string\|float\|int $value the value that you want to store
244			* @param string $preCondition only update if the config value was previously the value passed as $preCondition
245			* @throws \OCP\PreConditionNotMetException if a precondition is specified and is not met
246			* @throws \UnexpectedValueException when trying to store an unexpected value
247			*/
248			public function setUserValue($userId, $appName, $key, $value, $preCondition = null) {
249			if (!is_int($value) && !is_float($value) && !is_string($value)) {
			0 ignored issues – show introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The condition `is_string($value)` is always `true`. Loading history...
250			throw new \UnexpectedValueException('Only integers, floats and strings are allowed as value');
251			}
252
253			// TODO - FIXME
254			$this->fixDIInit();
255
256			$prevValue = $this->getUserValue($userId, $appName, $key, null);
257
258			if ($prevValue !== null) {
			0 ignored issues – show introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The condition `$prevValue !== null` is always `true`. Loading history...
259			if ($prevValue === (string)$value) {
260			return;
261			} else if ($preCondition !== null && $prevValue !== (string)$preCondition) {
262			throw new PreConditionNotMetException();
263			} else {
264			$qb = $this->connection->getQueryBuilder();
265			$qb->update('preferences')
266			->set('configvalue', $qb->createNamedParameter($value))
267			->where($qb->expr()->eq('userid', $qb->createNamedParameter($userId)))
268			->andWhere($qb->expr()->eq('appid', $qb->createNamedParameter($appName)))
269			->andWhere($qb->expr()->eq('configkey', $qb->createNamedParameter($key)));
270			$qb->execute();
271
272			$this->userCache[$userId][$appName][$key] = (string)$value;
273			return;
274			}
275			}
276
277			$preconditionArray = [];
278			if (isset($preCondition)) {
279			$preconditionArray = [
280			'configvalue' => $preCondition,
281			];
282			}
283
284			$this->connection->setValues('preferences', [
285			'userid' => $userId,
286			'appid' => $appName,
287			'configkey' => $key,
288			], [
289			'configvalue' => $value,
290			], $preconditionArray);
291
292			// only add to the cache if we already loaded data for the user
293			if (isset($this->userCache[$userId])) {
294			if (!isset($this->userCache[$userId][$appName])) {
295			$this->userCache[$userId][$appName] = array();
296			}
297			$this->userCache[$userId][$appName][$key] = (string)$value;
298			}
299			}
300
301			/**
302			* Getting a user defined value
303			*
304			* @param string $userId the userId of the user that we want to store the value under
305			* @param string $appName the appName that we stored the value under
306			* @param string $key the key under which the value is being stored
307			* @param mixed $default the default value to be returned if the value isn't set
308			* @return string
309			*/
310			public function getUserValue($userId, $appName, $key, $default = '') {
311			$data = $this->getUserValues($userId);
312			if (isset($data[$appName]) and isset($data[$appName][$key])) {
313			return $data[$appName][$key];
314			} else {
315			return $default;
316			}
317			}
318
319			/**
320			* Get the keys of all stored by an app for the user
321			*
322			* @param string $userId the userId of the user that we want to store the value under
323			* @param string $appName the appName that we stored the value under
324			* @return string[]
325			*/
326			public function getUserKeys($userId, $appName) {
327			$data = $this->getUserValues($userId);
328			if (isset($data[$appName])) {
329			return array_keys($data[$appName]);
330			} else {
331			return array();
332			}
333			}
334
335			/**
336			* Delete a user value
337			*
338			* @param string $userId the userId of the user that we want to store the value under
339			* @param string $appName the appName that we stored the value under
340			* @param string $key the key under which the value is being stored
341			*/
342			public function deleteUserValue($userId, $appName, $key) {
343			// TODO - FIXME
344			$this->fixDIInit();
345
346			$sql = 'DELETE FROM `PREFIXpreferences` '.
347			'WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
348			$this->connection->executeUpdate($sql, array($userId, $appName, $key));
349
350			if (isset($this->userCache[$userId]) and isset($this->userCache[$userId][$appName])) {
351			unset($this->userCache[$userId][$appName][$key]);
352			}
353			}
354
355			/**
356			* Delete all user values
357			*
358			* @param string $userId the userId of the user that we want to remove all values from
359			*/
360			public function deleteAllUserValues($userId) {
361			// TODO - FIXME
362			$this->fixDIInit();
363
364			$sql = 'DELETE FROM `PREFIXpreferences` '.
365			'WHERE `userid` = ?';
366			$this->connection->executeUpdate($sql, array($userId));
367
368			unset($this->userCache[$userId]);
369			}
370
371			/**
372			* Delete all user related values of one app
373			*
374			* @param string $appName the appName of the app that we want to remove all values from
375			*/
376			public function deleteAppFromAllUsers($appName) {
377			// TODO - FIXME
378			$this->fixDIInit();
379
380			$sql = 'DELETE FROM `PREFIXpreferences` '.
381			'WHERE `appid` = ?';
382			$this->connection->executeUpdate($sql, array($appName));
383
384			foreach ($this->userCache as &$userCache) {
385			unset($userCache[$appName]);
386			}
387			}
388
389			/**
390			* Returns all user configs sorted by app of one user
391			*
392			* @param string $userId the user ID to get the app configs from
393			* @return array[] - 2 dimensional array with the following structure:
394			* [ $appId =>
395			* [ $key => $value ]
396			* ]
397			*/
398			private function getUserValues($userId) {
399			if (isset($this->userCache[$userId])) {
400			return $this->userCache[$userId];
401			}
402			if ($userId === null \|\| $userId === '') {
403			$this->userCache[$userId]=array();
404			return $this->userCache[$userId];
405			}
406
407			// TODO - FIXME
408			$this->fixDIInit();
409
410			$data = array();
411			$query = 'SELECT `appid`, `configkey`, `configvalue` FROM `PREFIXpreferences` WHERE `userid` = ?';
412			$result = $this->connection->executeQuery($query, array($userId));
413			while ($row = $result->fetch()) {
414			$appId = $row['appid'];
415			if (!isset($data[$appId])) {
416			$data[$appId] = array();
417			}
418			$data[$appId][$row['configkey']] = $row['configvalue'];
419			}
420			$this->userCache[$userId] = $data;
421			return $data;
422			}
423
424			/**
425			* Fetches a mapped list of userId -> value, for a specified app and key and a list of user IDs.
426			*
427			* @param string $appName app to get the value for
428			* @param string $key the key to get the value for
429			* @param array $userIds the user IDs to fetch the values for
430			* @return array Mapped values: userId => value
431			*/
432			public function getUserValueForUsers($appName, $key, $userIds) {
433			// TODO - FIXME
434			$this->fixDIInit();
435
436			if (empty($userIds) \|\| !is_array($userIds)) {
437			return array();
438			}
439
440			$chunkedUsers = array_chunk($userIds, 50, true);
441			$placeholders50 = implode(',', array_fill(0, 50, '?'));
442
443			$userValues = array();
444			foreach ($chunkedUsers as $chunk) {
445			$queryParams = $chunk;
446			// create [$app, $key, $chunkedUsers]
447			array_unshift($queryParams, $key);
448			array_unshift($queryParams, $appName);
449
450			$placeholders = (count($chunk) === 50) ? $placeholders50 : implode(',', array_fill(0, count($chunk), '?'));
451
452			$query = 'SELECT `userid`, `configvalue` ' .
453			'FROM `PREFIXpreferences` ' .
454			'WHERE `appid` = ? AND `configkey` = ? ' .
455			'AND `userid` IN (' . $placeholders . ')';
456			$result = $this->connection->executeQuery($query, $queryParams);
457
458			while ($row = $result->fetch()) {
459			$userValues[$row['userid']] = $row['configvalue'];
460			}
461			}
462
463			return $userValues;
464			}
465
466			/**
467			* Determines the users that have the given value set for a specific app-key-pair
468			*
469			* @param string $appName the app to get the user for
470			* @param string $key the key to get the user for
471			* @param string $value the value to get the user for
472			* @return array of user IDs
473			*/
474			public function getUsersForUserValue($appName, $key, $value) {
475			// TODO - FIXME
476			$this->fixDIInit();
477
478			$sql = 'SELECT `userid` FROM `PREFIXpreferences` ' .
479			'WHERE `appid` = ? AND `configkey` = ? ';
480
481			if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
482			//oracle hack: need to explicitly cast CLOB to CHAR for comparison
483			$sql .= 'AND to_char(`configvalue`) = ?';
484			} else {
485			$sql .= 'AND `configvalue` = ?';
486			}
487
488			$result = $this->connection->executeQuery($sql, array($appName, $key, $value));
489
490			$userIDs = array();
491			while ($row = $result->fetch()) {
492			$userIDs[] = $row['userid'];
493			}
494
495			return $userIDs;
496			}
497
498			/**
499			* Determines the users that have the given value set for a specific app-key-pair
500			*
501			* @param string $appName the app to get the user for
502			* @param string $key the key to get the user for
503			* @param string $value the value to get the user for
504			* @return array of user IDs
505			*/
506			public function getUsersForUserValueCaseInsensitive($appName, $key, $value) {
507			// TODO - FIXME
508			$this->fixDIInit();
509
510			$sql = 'SELECT `userid` FROM `PREFIXpreferences` ' .
511			'WHERE `appid` = ? AND `configkey` = ? ';
512
513			if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
514			//oracle hack: need to explicitly cast CLOB to CHAR for comparison
515			$sql .= 'AND LOWER(to_char(`configvalue`)) = LOWER(?)';
516			} else {
517			$sql .= 'AND LOWER(`configvalue`) = LOWER(?)';
518			}
519
520			$result = $this->connection->executeQuery($sql, array($appName, $key, $value));
521
522			$userIDs = array();
523			while ($row = $result->fetch()) {
524			$userIDs[] = $row['userid'];
525			}
526
527			return $userIDs;
528			}
529
530			public function getSystemConfig() {
531			return $this->systemConfig;
532			}
533			}
534

nextcloud / server

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AllConfig::fixDIInit() A

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