PHP OC_Util::checkWebserverUser方法代码示例

 /**
  * check if the current server configuration is suitable for ownCloud
  * @return array arrays with error messages and hints
  */
 public static function checkServer()
 {
     $CONFIG_DATADIRECTORY_ROOT = OC_Config::getValue("datadirectory", OC::$SERVERROOT . "/data");
     $CONFIG_BACKUPDIRECTORY = OC_Config::getValue("backupdirectory", OC::$SERVERROOT . "/backup");
     $CONFIG_INSTALLED = OC_Config::getValue("installed", false);
     $errors = array();
     //check for database drivers
     if (!is_callable('sqlite_open') and !is_callable('mysql_connect')) {
         $errors[] = array('error' => 'No database drivers (sqlite or mysql) installed.<br/>', 'hint' => '');
         //TODO: sane hint
     }
     $CONFIG_DBTYPE = OC_Config::getValue("dbtype", "sqlite");
     $CONFIG_DBNAME = OC_Config::getValue("dbname", "owncloud");
     $serverUser = OC_Util::checkWebserverUser();
     //common hint for all file permissons error messages
     $permissionsHint = "Permissions can usually be fixed by setting the owner of the file or directory to the user the web server runs as ({$serverUser})";
     //check for correct file permissions
     if (!stristr(PHP_OS, 'WIN')) {
         $permissionsModHint = "Please change the permissions to 0770 so that the directory cannot be listed by other users.";
         $prems = substr(decoct(@fileperms($CONFIG_DATADIRECTORY_ROOT)), -3);
         if (substr($prems, -1) != '0') {
             OC_Helper::chmodr($CONFIG_DATADIRECTORY_ROOT, 0770);
             clearstatcache();
             $prems = substr(decoct(@fileperms($CONFIG_DATADIRECTORY_ROOT)), -3);
             if (substr($prems, 2, 1) != '0') {
                 $errors[] = array('error' => 'Data directory (' . $CONFIG_DATADIRECTORY_ROOT . ') is readable for other users<br/>', 'hint' => $permissionsModHint);
             }
         }
         if (OC_Config::getValue("enablebackup", false)) {
             $prems = substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)), -3);
             if (substr($prems, -1) != '0') {
                 OC_Helper::chmodr($CONFIG_BACKUPDIRECTORY, 0770);
                 clearstatcache();
                 $prems = substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)), -3);
                 if (substr($prems, 2, 1) != '0') {
                     $errors[] = array('error' => 'Data directory (' . $CONFIG_BACKUPDIRECTORY . ') is readable for other users<br/>', 'hint' => $permissionsModHint);
                 }
             }
         }
     } else {
         //TODO: permissions checks for windows hosts
     }
     if (is_dir($CONFIG_DATADIRECTORY_ROOT) and !is_writable($CONFIG_DATADIRECTORY_ROOT)) {
         $errors[] = array('error' => 'Data directory (' . $CONFIG_DATADIRECTORY_ROOT . ') not writable by ownCloud<br/>', 'hint' => $permissionsHint);
     }
     // check if all required php modules are present
     if (!class_exists('ZipArchive')) {
         $errors[] = array('error' => 'PHP module zip not installed.<br/>', 'hint' => 'Please ask your server administrator to install the module.');
     }
     if (!function_exists('mb_detect_encoding')) {
         $errors[] = array('error' => 'PHP module mb multibyte not installed.<br/>', 'hint' => 'Please ask your server administrator to install the module.');
     }
     if (!function_exists('ctype_digit')) {
         $errors[] = array('error' => 'PHP module ctype is not installed.<br/>', 'hint' => 'Please ask your server administrator to install the module.');
     }
     return $errors;
 }

 /**
  * @brief Writes the config file
  * @returns true/false
  *
  * Saves the config to the config file.
  *
  * Known flaws: Strings are not escaped properly
  */
 public static function writeData()
 {
     // Create a php file ...
     $content = "<?php\n\$CONFIG = array(\n";
     foreach (self::$cache as $key => $value) {
         if (is_bool($value)) {
             $value = $value ? 'true' : 'false';
             $content .= "\"{$key}\" => {$value},\n";
         } else {
             $value = str_replace("'", "\\'", $value);
             $content .= "\"{$key}\" => '{$value}',\n";
         }
     }
     $content .= ");\n?>\n";
     // Write the file
     $result = @file_put_contents(OC::$SERVERROOT . "/config/config.php", $content);
     if (!$result) {
         $tmpl = new OC_Template('', 'error', 'guest');
         $tmpl->assign('errors', array(1 => array('error' => "Can't write into config directory 'config'", 'hint' => "You can usually fix this by setting the owner of 'config' to the user that the web server uses (" . OC_Util::checkWebserverUser() . ")")));
         $tmpl->printPage();
         exit;
     }
     return true;
 }