405 lines
12 KiB
PHP
405 lines
12 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*
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*/
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namespace OC;
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use OCP\IDBConnection;
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use OCP\PreConditionNotMetException;
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/**
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* Class to combine all the configuration options ownCloud offers
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*/
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class AllConfig implements \OCP\IConfig {
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/** @var SystemConfig */
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private $systemConfig;
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/** @var IDBConnection */
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private $connection;
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/**
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* 3 dimensional array with the following structure:
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* [ $userId =>
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* [ $appId =>
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* [ $key => $value ]
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* ]
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* ]
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*
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* database table: preferences
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*
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* methods that use this:
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* - setUserValue
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* - getUserValue
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* - getUserKeys
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* - deleteUserValue
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* - deleteAllUserValues
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* - deleteAppFromAllUsers
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*
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* @var array $userCache
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*/
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private $userCache = array();
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/**
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* @param SystemConfig $systemConfig
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*/
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function __construct(SystemConfig $systemConfig) {
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$this->systemConfig = $systemConfig;
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}
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/**
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* TODO - FIXME This fixes an issue with base.php that cause cyclic
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* dependencies, especially with autoconfig setup
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*
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* Replace this by properly injected database connection. Currently the
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* base.php triggers the getDatabaseConnection too early which causes in
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* autoconfig setup case a too early distributed database connection and
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* the autoconfig then needs to reinit all already initialized dependencies
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* that use the database connection.
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*
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* otherwise a SQLite database is created in the wrong directory
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* because the database connection was created with an uninitialized config
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*/
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private function fixDIInit() {
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if($this->connection === null) {
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$this->connection = \OC::$server->getDatabaseConnection();
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}
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}
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/**
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* Sets a new system wide value
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*
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* @param string $key the key of the value, under which will be saved
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* @param mixed $value the value that should be stored
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*/
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public function setSystemValue($key, $value) {
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$this->systemConfig->setValue($key, $value);
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}
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/**
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* Looks up a system wide defined value
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*
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* @param string $key the key of the value, under which it was saved
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* @param mixed $default the default value to be returned if the value isn't set
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* @return mixed the value or $default
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*/
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public function getSystemValue($key, $default = '') {
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return $this->systemConfig->getValue($key, $default);
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}
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/**
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* Delete a system wide defined value
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*
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* @param string $key the key of the value, under which it was saved
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*/
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public function deleteSystemValue($key) {
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$this->systemConfig->deleteValue($key);
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}
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/**
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* Get all keys stored for an app
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*
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* @param string $appName the appName that we stored the value under
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* @return string[] the keys stored for the app
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*/
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public function getAppKeys($appName) {
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return \OC::$server->getAppConfig()->getKeys($appName);
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}
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/**
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* Writes a new app wide value
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*
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* @param string $appName the appName that we want to store the value under
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* @param string $key the key of the value, under which will be saved
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* @param string $value the value that should be stored
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*/
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public function setAppValue($appName, $key, $value) {
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\OC::$server->getAppConfig()->setValue($appName, $key, $value);
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}
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/**
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* Looks up an app wide defined value
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*
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* @param string $appName the appName that we stored the value under
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* @param string $key the key of the value, under which it was saved
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* @param string $default the default value to be returned if the value isn't set
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* @return string the saved value
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*/
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public function getAppValue($appName, $key, $default = '') {
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return \OC::$server->getAppConfig()->getValue($appName, $key, $default);
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}
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/**
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* Delete an app wide defined value
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*
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* @param string $appName the appName that we stored the value under
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* @param string $key the key of the value, under which it was saved
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*/
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public function deleteAppValue($appName, $key) {
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\OC::$server->getAppConfig()->deleteKey($appName, $key);
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}
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/**
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* Removes all keys in appconfig belonging to the app
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*
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* @param string $appName the appName the configs are stored under
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*/
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public function deleteAppValues($appName) {
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\OC::$server->getAppConfig()->deleteApp($appName);
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}
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/**
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* Set a user defined value
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*
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* @param string $userId the userId of the user that we want to store the value under
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* @param string $appName the appName that we want to store the value under
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* @param string $key the key under which the value is being stored
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* @param string $value the value that you want to store
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* @param string $preCondition only update if the config value was previously the value passed as $preCondition
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* @throws \OCP\PreConditionNotMetException if a precondition is specified and is not met
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*/
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public function setUserValue($userId, $appName, $key, $value, $preCondition = null) {
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// TODO - FIXME
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$this->fixDIInit();
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// Check if the key does exist
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$sql = 'SELECT `configvalue` FROM `*PREFIX*preferences` '.
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'WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
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$result = $this->connection->executeQuery($sql, array($userId, $appName, $key));
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$oldValue = $result->fetchColumn();
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$exists = $oldValue !== false;
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if($oldValue === strval($value)) {
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// no changes
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return;
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}
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$data = array($value, $userId, $appName, $key);
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if (!$exists && $preCondition === null) {
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$sql = 'INSERT INTO `*PREFIX*preferences` (`configvalue`, `userid`, `appid`, `configkey`)'.
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'VALUES (?, ?, ?, ?)';
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} elseif ($exists) {
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$sql = 'UPDATE `*PREFIX*preferences` SET `configvalue` = ? '.
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'WHERE `userid` = ? AND `appid` = ? AND `configkey` = ? ';
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if($preCondition !== null) {
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if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
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//oracle hack: need to explicitly cast CLOB to CHAR for comparison
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$sql .= 'AND to_char(`configvalue`) = ?';
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} else {
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$sql .= 'AND `configvalue` = ?';
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}
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$data[] = $preCondition;
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}
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}
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$affectedRows = $this->connection->executeUpdate($sql, $data);
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// only add to the cache if we already loaded data for the user
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if ($affectedRows > 0 && isset($this->userCache[$userId])) {
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if (!isset($this->userCache[$userId][$appName])) {
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$this->userCache[$userId][$appName] = array();
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}
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$this->userCache[$userId][$appName][$key] = $value;
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}
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if ($preCondition !== null && $affectedRows === 0) {
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throw new PreConditionNotMetException;
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}
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}
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/**
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* Getting a user defined value
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*
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* @param string $userId the userId of the user that we want to store the value under
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* @param string $appName the appName that we stored the value under
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* @param string $key the key under which the value is being stored
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* @param string $default the default value to be returned if the value isn't set
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* @return string
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*/
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public function getUserValue($userId, $appName, $key, $default = '') {
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$data = $this->getUserValues($userId);
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if (isset($data[$appName]) and isset($data[$appName][$key])) {
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return $data[$appName][$key];
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} else {
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return $default;
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}
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}
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/**
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* Get the keys of all stored by an app for the user
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*
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* @param string $userId the userId of the user that we want to store the value under
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* @param string $appName the appName that we stored the value under
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* @return string[]
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*/
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public function getUserKeys($userId, $appName) {
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$data = $this->getUserValues($userId);
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if (isset($data[$appName])) {
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return array_keys($data[$appName]);
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} else {
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return array();
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}
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}
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/**
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* Delete a user value
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*
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* @param string $userId the userId of the user that we want to store the value under
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* @param string $appName the appName that we stored the value under
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* @param string $key the key under which the value is being stored
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*/
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public function deleteUserValue($userId, $appName, $key) {
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// TODO - FIXME
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$this->fixDIInit();
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$sql = 'DELETE FROM `*PREFIX*preferences` '.
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'WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
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$this->connection->executeUpdate($sql, array($userId, $appName, $key));
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if (isset($this->userCache[$userId]) and isset($this->userCache[$userId][$appName])) {
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unset($this->userCache[$userId][$appName][$key]);
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}
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}
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/**
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* Delete all user values
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*
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* @param string $userId the userId of the user that we want to remove all values from
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*/
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public function deleteAllUserValues($userId) {
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// TODO - FIXME
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$this->fixDIInit();
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$sql = 'DELETE FROM `*PREFIX*preferences` '.
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'WHERE `userid` = ?';
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$this->connection->executeUpdate($sql, array($userId));
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unset($this->userCache[$userId]);
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}
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/**
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* Delete all user related values of one app
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*
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* @param string $appName the appName of the app that we want to remove all values from
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*/
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public function deleteAppFromAllUsers($appName) {
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// TODO - FIXME
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$this->fixDIInit();
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$sql = 'DELETE FROM `*PREFIX*preferences` '.
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'WHERE `appid` = ?';
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$this->connection->executeUpdate($sql, array($appName));
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foreach ($this->userCache as &$userCache) {
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unset($userCache[$appName]);
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}
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}
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/**
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* Returns all user configs sorted by app of one user
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*
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* @param string $userId the user ID to get the app configs from
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* @return array[] - 2 dimensional array with the following structure:
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* [ $appId =>
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* [ $key => $value ]
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* ]
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*/
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private function getUserValues($userId) {
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// TODO - FIXME
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$this->fixDIInit();
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if (isset($this->userCache[$userId])) {
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return $this->userCache[$userId];
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}
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$data = array();
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$query = 'SELECT `appid`, `configkey`, `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ?';
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$result = $this->connection->executeQuery($query, array($userId));
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while ($row = $result->fetch()) {
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$appId = $row['appid'];
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if (!isset($data[$appId])) {
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$data[$appId] = array();
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}
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$data[$appId][$row['configkey']] = $row['configvalue'];
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}
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$this->userCache[$userId] = $data;
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return $data;
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}
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/**
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* Fetches a mapped list of userId -> value, for a specified app and key and a list of user IDs.
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*
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* @param string $appName app to get the value for
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* @param string $key the key to get the value for
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* @param array $userIds the user IDs to fetch the values for
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* @return array Mapped values: userId => value
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*/
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public function getUserValueForUsers($appName, $key, $userIds) {
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// TODO - FIXME
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$this->fixDIInit();
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if (empty($userIds) || !is_array($userIds)) {
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return array();
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}
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$chunkedUsers = array_chunk($userIds, 50, true);
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$placeholders50 = implode(',', array_fill(0, 50, '?'));
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$userValues = array();
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foreach ($chunkedUsers as $chunk) {
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$queryParams = $chunk;
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// create [$app, $key, $chunkedUsers]
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array_unshift($queryParams, $key);
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array_unshift($queryParams, $appName);
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$placeholders = (sizeof($chunk) == 50) ? $placeholders50 : implode(',', array_fill(0, sizeof($chunk), '?'));
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$query = 'SELECT `userid`, `configvalue` ' .
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'FROM `*PREFIX*preferences` ' .
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'WHERE `appid` = ? AND `configkey` = ? ' .
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'AND `userid` IN (' . $placeholders . ')';
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$result = $this->connection->executeQuery($query, $queryParams);
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while ($row = $result->fetch()) {
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$userValues[$row['userid']] = $row['configvalue'];
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}
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}
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return $userValues;
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}
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/**
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* Determines the users that have the given value set for a specific app-key-pair
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*
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* @param string $appName the app to get the user for
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* @param string $key the key to get the user for
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* @param string $value the value to get the user for
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* @return array of user IDs
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*/
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public function getUsersForUserValue($appName, $key, $value) {
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// TODO - FIXME
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$this->fixDIInit();
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$sql = 'SELECT `userid` FROM `*PREFIX*preferences` ' .
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'WHERE `appid` = ? AND `configkey` = ? ';
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if($this->getSystemValue('dbtype', 'sqlite') === 'oci') {
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//oracle hack: need to explicitly cast CLOB to CHAR for comparison
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$sql .= 'AND to_char(`configvalue`) = ?';
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} else {
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$sql .= 'AND `configvalue` = ?';
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}
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$result = $this->connection->executeQuery($sql, array($appName, $key, $value));
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$userIDs = array();
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while ($row = $result->fetch()) {
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$userIDs[] = $row['userid'];
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}
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return $userIDs;
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}
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}
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