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274
phpMyAdmin/libraries/classes/UserPreferences.php
Executable file
274
phpMyAdmin/libraries/classes/UserPreferences.php
Executable file
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Holds the PhpMyAdmin\UserPreferences class
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*
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* @package PhpMyAdmin
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*/
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namespace PhpMyAdmin;
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use PhpMyAdmin\Config\ConfigFile;
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use PhpMyAdmin\Config\Forms\User\UserFormList;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Relation;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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/**
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* Functions for displaying user preferences pages
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*
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* @package PhpMyAdmin
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*/
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class UserPreferences
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{
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/**
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* @var Relation $relation
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*/
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private $relation;
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/**
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* Constructor
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*/
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public function __construct()
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{
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$this->relation = new Relation();
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}
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/**
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* Common initialization for user preferences modification pages
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*
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* @param ConfigFile $cf Config file instance
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*
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* @return void
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*/
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public function pageInit(ConfigFile $cf)
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{
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$forms_all_keys = UserFormList::getFields();
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$cf->resetConfigData(); // start with a clean instance
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$cf->setAllowedKeys($forms_all_keys);
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$cf->setCfgUpdateReadMapping(
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array(
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'Server/hide_db' => 'Servers/1/hide_db',
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'Server/only_db' => 'Servers/1/only_db'
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)
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);
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$cf->updateWithGlobalConfig($GLOBALS['cfg']);
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}
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/**
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* Loads user preferences
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*
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* Returns an array:
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* * config_data - path => value pairs
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* * mtime - last modification time
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* * type - 'db' (config read from pmadb) or 'session' (read from user session)
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*
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* @return array
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*/
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public function load()
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{
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$cfgRelation = $this->relation->getRelationsParam();
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if (! $cfgRelation['userconfigwork']) {
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// no pmadb table, use session storage
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if (! isset($_SESSION['userconfig'])) {
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$_SESSION['userconfig'] = array(
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'db' => array(),
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'ts' => time());
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}
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return array(
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'config_data' => $_SESSION['userconfig']['db'],
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'mtime' => $_SESSION['userconfig']['ts'],
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'type' => 'session');
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}
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// load configuration from pmadb
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$query_table = Util::backquote($cfgRelation['db']) . '.'
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. Util::backquote($cfgRelation['userconfig']);
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$query = 'SELECT `config_data`, UNIX_TIMESTAMP(`timevalue`) ts'
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. ' FROM ' . $query_table
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. ' WHERE `username` = \''
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. $GLOBALS['dbi']->escapeString($cfgRelation['user'])
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. '\'';
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$row = $GLOBALS['dbi']->fetchSingleRow($query, 'ASSOC', DatabaseInterface::CONNECT_CONTROL);
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return array(
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'config_data' => $row ? json_decode($row['config_data'], true) : array(),
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'mtime' => $row ? $row['ts'] : time(),
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'type' => 'db');
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}
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/**
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* Saves user preferences
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*
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* @param array $config_array configuration array
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*
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* @return true|PhpMyAdmin\Message
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*/
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public function save(array $config_array)
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{
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$cfgRelation = $this->relation->getRelationsParam();
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$server = isset($GLOBALS['server'])
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? $GLOBALS['server']
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: $GLOBALS['cfg']['ServerDefault'];
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$cache_key = 'server_' . $server;
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if (! $cfgRelation['userconfigwork']) {
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// no pmadb table, use session storage
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$_SESSION['userconfig'] = array(
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'db' => $config_array,
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'ts' => time());
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if (isset($_SESSION['cache'][$cache_key]['userprefs'])) {
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unset($_SESSION['cache'][$cache_key]['userprefs']);
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}
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return true;
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}
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// save configuration to pmadb
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$query_table = Util::backquote($cfgRelation['db']) . '.'
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. Util::backquote($cfgRelation['userconfig']);
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$query = 'SELECT `username` FROM ' . $query_table
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. ' WHERE `username` = \''
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. $GLOBALS['dbi']->escapeString($cfgRelation['user'])
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. '\'';
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$has_config = $GLOBALS['dbi']->fetchValue(
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$query, 0, 0, DatabaseInterface::CONNECT_CONTROL
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);
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$config_data = json_encode($config_array);
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if ($has_config) {
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$query = 'UPDATE ' . $query_table
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. ' SET `timevalue` = NOW(), `config_data` = \''
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. $GLOBALS['dbi']->escapeString($config_data)
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. '\''
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. ' WHERE `username` = \''
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. $GLOBALS['dbi']->escapeString($cfgRelation['user'])
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. '\'';
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} else {
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$query = 'INSERT INTO ' . $query_table
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. ' (`username`, `timevalue`,`config_data`) '
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. 'VALUES (\''
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. $GLOBALS['dbi']->escapeString($cfgRelation['user']) . '\', NOW(), '
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. '\'' . $GLOBALS['dbi']->escapeString($config_data) . '\')';
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}
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if (isset($_SESSION['cache'][$cache_key]['userprefs'])) {
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unset($_SESSION['cache'][$cache_key]['userprefs']);
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}
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if (!$GLOBALS['dbi']->tryQuery($query, DatabaseInterface::CONNECT_CONTROL)) {
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$message = Message::error(__('Could not save configuration'));
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$message->addMessage(
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Message::rawError(
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$GLOBALS['dbi']->getError(DatabaseInterface::CONNECT_CONTROL)
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),
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'<br /><br />'
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);
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return $message;
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}
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return true;
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}
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/**
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* Returns a user preferences array filtered by $cfg['UserprefsDisallow']
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* (blacklist) and keys from user preferences form (whitelist)
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*
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* @param array $config_data path => value pairs
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*
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* @return array
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*/
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public function apply(array $config_data)
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{
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$cfg = array();
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$blacklist = array_flip($GLOBALS['cfg']['UserprefsDisallow']);
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$whitelist = array_flip(UserFormList::getFields());
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// whitelist some additional fields which are custom handled
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$whitelist['ThemeDefault'] = true;
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$whitelist['lang'] = true;
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$whitelist['Server/hide_db'] = true;
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$whitelist['Server/only_db'] = true;
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$whitelist['2fa'] = true;
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foreach ($config_data as $path => $value) {
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if (! isset($whitelist[$path]) || isset($blacklist[$path])) {
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continue;
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}
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Core::arrayWrite($path, $cfg, $value);
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}
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return $cfg;
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}
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/**
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* Updates one user preferences option (loads and saves to database).
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*
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* No validation is done!
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*
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* @param string $path configuration
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* @param mixed $value value
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* @param mixed $default_value default value
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*
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* @return true|PhpMyAdmin\Message
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*/
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public function persistOption($path, $value, $default_value)
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{
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$prefs = $this->load();
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if ($value === $default_value) {
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if (isset($prefs['config_data'][$path])) {
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unset($prefs['config_data'][$path]);
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} else {
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return true;
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}
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} else {
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$prefs['config_data'][$path] = $value;
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}
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return $this->save($prefs['config_data']);
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}
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/**
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* Redirects after saving new user preferences
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*
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* @param string $file_name Filename
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* @param array|null $params URL parameters
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* @param string $hash Hash value
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*
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* @return void
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*/
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public function redirect($file_name,
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$params = null, $hash = null
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) {
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// redirect
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$url_params = array('saved' => 1);
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if (is_array($params)) {
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$url_params = array_merge($params, $url_params);
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}
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if ($hash) {
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$hash = '#' . urlencode($hash);
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}
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Core::sendHeaderLocation('./' . $file_name
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. Url::getCommonRaw($url_params) . $hash
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);
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}
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/**
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* Shows form which allows to quickly load
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* settings stored in browser's local storage
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*
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* @return string
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*/
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public function autoloadGetHeader()
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{
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if (isset($_REQUEST['prefs_autoload'])
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&& $_REQUEST['prefs_autoload'] == 'hide'
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) {
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$_SESSION['userprefs_autoload'] = true;
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return '';
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}
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$script_name = basename(basename($GLOBALS['PMA_PHP_SELF']));
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$return_url = $script_name . '?' . http_build_query($_GET, '', '&');
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return Template::get('prefs_autoload')
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->render(
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array(
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'hidden_inputs' => Url::getHiddenInputs(),
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'return_url' => $return_url,
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)
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);
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}
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}
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