@ -11,12 +11,18 @@ class OC_Util {
public static $headers=array();
private static $rootMounted=false;
private static $fsSetup=false;
public static $core_s tyles=array();
public static $core_s cripts=array();
public static $coreS tyles=array();
public static $coreS cripts=array();
// Can be set up
public static function setupFS( $user = '' ) {// configure the initial filesystem based on the configuration
if(self::$fsSetup) {//setting up the filesystem twice can only lead to trouble
/**
* @brief Can be set up
* @param string $user
* @return boolean
* @description configure the initial filesystem based on the configuration
*/
public static function setupFS( $user = '' ) {
//setting up the filesystem twice can only lead to trouble
if(self::$fsSetup) {
return false;
}
@ -37,15 +43,16 @@ class OC_Util {
self::$fsSetup=true;
}
$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
$configDataDirectory = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
//first set up the local "root" storage
\OC\Files\Filesystem::initMounts();
if(!self::$rootMounted) {
\OC\Files\Filesystem::mount('\OC\Files\Storage\Local', array('datadir'=>$CONFIG_DATADIRECTORY ), '/');
self::$rootMounted=true;
\OC\Files\Filesystem::mount('\OC\Files\Storage\Local', array('datadir'=>$configDataDirectory ), '/');
self::$rootMounted = true;
}
if( $user != "" ) { //if we aren't logged in, there is no use to set up the filesystem
//if we aren't logged in, there is no use to set up the filesystem
if( $user != "" ) {
$quota = self::getUserQuota($user);
if ($quota !== \OC\Files\SPACE_UNLIMITED) {
\OC\Files\Filesystem::addStorageWrapper(function($mountPoint, $storage) use ($quota, $user) {
@ -56,19 +63,19 @@ class OC_Util {
}
});
}
$user_d ir = '/'.$user.'/files';
$user_r oot = OC_User::getHome($user);
$userdirectory = $user_r oot . '/files';
if( !is_dir( $userd irectory )) {
mkdir( $userd irectory, 0755, true );
$userD ir = '/'.$user.'/files';
$userR oot = OC_User::getHome($user);
$userDirectory = $userR oot . '/files';
if( !is_dir( $userD irectory )) {
mkdir( $userD irectory, 0755, true );
}
//jail the user into his "home" directory
\OC\Files\Filesystem::init($user, $user_d ir);
\OC\Files\Filesystem::init($user, $userD ir);
$fileOperationProxy = new OC_FileProxy_FileOperations();
OC_FileProxy::register($fileOperationProxy);
OC_Hook::emit('OC_Filesystem', 'setup', array('user' => $user, 'user_dir' => $user_d ir));
OC_Hook::emit('OC_Filesystem', 'setup', array('user' => $user, 'user_dir' => $userD ir));
}
return true;
}
@ -85,14 +92,17 @@ class OC_Util {
}
}
/**
* @return void
*/
public static function tearDownFS() {
\OC\Files\Filesystem::tearDown();
self::$fsSetup=false;
self::$rootMounted=false;
self::$rootMounted=false;
}
/**
* get the current installed version of ownCloud
* @brief get the current installed version of ownCloud
* @return array
*/
public static function getVersion() {
@ -102,7 +112,7 @@ class OC_Util {
}
/**
* get the current installed version string of ownCloud
* @brief get the current installed version string of ownCloud
* @return string
*/
public static function getVersionString() {
@ -110,7 +120,7 @@ class OC_Util {
}
/**
* get the current installed edition of ownCloud. There is the community
* @description get the current installed edition of ownCloud. There is the community
* edition that just returns an empty string and the enterprise edition
* that returns "Enterprise".
* @return string
@ -120,103 +130,117 @@ class OC_Util {
}
/**
* add a javascript file
* @brief add a javascript file
*
* @param appid $application
* @param filename $file
* @param string $application
* @param filename $file
* @return void
*/
public static function addScript( $application, $file = null ) {
if( is_null( $file )) {
if ( is_null( $file )) {
$file = $application;
$application = "";
}
if( !empty( $application )) {
if ( !empty( $application )) {
self::$scripts[] = "$application/js/$file";
}else{
} else {
self::$scripts[] = "js/$file";
}
}
/**
* add a css file
* @brief add a css file
*
* @param appid $application
* @param filename $file
* @param string $application
* @param filename $file
* @return void
*/
public static function addStyle( $application, $file = null ) {
if( is_null( $file )) {
if ( is_null( $file )) {
$file = $application;
$application = "";
}
if( !empty( $application )) {
if ( !empty( $application )) {
self::$styles[] = "$application/css/$file";
}else{
} else {
self::$styles[] = "css/$file";
}
}
/**
* @brief Add a custom element to the header
* @param string tag tag name of the element
* @param string $ tag tag name of the element
* @param array $attributes array of attributes for the element
* @param string $text the text content for the element
* @return void
*/
public static function addHeader( $tag, $attributes, $text='') {
self::$headers[] = array('tag'=>$tag, 'attributes'=>$attributes, 'text'=>$text);
self::$headers[] = array(
'tag'=>$tag,
'attributes'=>$attributes,
'text'=>$text
);
}
/**
* formats a timestamp in the "right" way
* @brief formats a timestamp in the "right" way
*
* @param int timestamp $timestamp
* @param bool dateOnly option to omit time from the result
* @param int $timestamp
* @param bool $dateOnly option to omit time from the result
* @return string timestamp
* @description adjust to clients timezone if we know it
*/
public static function formatDate( $timestamp, $dateOnly=false) {
if(\OC::$session->exists('timezone')) {//adjust to clients timezone if we know it
if(\OC::$session->exists('timezone')) {
$systemTimeZone = intval(date('O'));
$systemTimeZone=(round($systemTimeZone/100, 0)*60)+($systemTimeZone%100);
$clientTimeZone=\OC::$session->get('timezone')*60;
$offset=$clientTimeZone-$systemTimeZone;
$timestamp=$timestamp+$offset*60;
$systemTimeZone = (round($systemTimeZone/100, 0)*60) + ($systemTimeZone%100);
$clientTimeZone = \OC::$session->get('timezone')*60;
$offset = $clientTimeZone - $systemTimeZone;
$timestamp = $timestamp + $offset*60;
}
$l=OC_L10N::get('lib');
$l = OC_L10N::get('lib');
return $l->l($dateOnly ? 'date' : 'datetime', $timestamp);
}
/**
* check if the current server configuration is suitable for ownCloud
* @brief check if the current server configuration is suitable for ownCloud
* @return array arrays with error messages and hints
*/
public static function checkServer() {
// Assume that if checkServer() succeeded before in this session, then all is fine.
if(\OC::$session->exists('checkServer_suceeded') & & \OC::$session->get('checkServer_suceeded'))
if(\OC::$session->exists('checkServer_suceeded') & & \OC::$session->get('checkServer_suceeded')) {
return array();
}
$errors=array();
$errors = array();
$defaults = new \OC_Defaults();
$web_server_restart = false;
$webServerRestart = false;
//check for database drivers
if(!(is_callable('sqlite_open') or class_exists('SQLite3'))
and !is_callable('mysql_connect')
and !is_callable('pg_connect')
and !is_callable('oci_connect')) {
$errors[]=array('error'=>'No database drivers (sqlite, mysql, or postgresql) installed.',
'hint'=>'');//TODO: sane hint
$web_server_restart= true;
$errors[] = array(
'error'=>'No database drivers (sqlite, mysql, or postgresql) installed.',
'hint'=>'' //TODO: sane hint
);
$webServerRestart = true;
}
//common hint for all file permissons error messages
//common hint for all file permissi ons error messages
$permissionsHint = 'Permissions can usually be fixed by '
.'< a href = "' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target = "_blank" > giving the webserver write access to the root directory< / a > .';
.'< a href = "' . $ defaults- > getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html'
.'#set-the-directory-permissions" target="_blank">giving the webserver write access to the root directory< / a > .';
// Check if config folder is writable.
if(!is_writable(OC::$SERVERROOT."/config/") or !is_readable(OC::$SERVERROOT."/config/")) {
$errors[] = array(
'error' => "Can't write into config directory",
'hint' => 'This can usually be fixed by '
.'< a href = "' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target = "_blank" > giving the webserver write access to the config directory< / a > .'
.'< a href = "' . $ defaults- > getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html'
.'#set-the-directory-permissions" target="_blank">giving the webserver write access to the config directory< / a > .'
);
}
@ -228,7 +252,8 @@ class OC_Util {
$errors[] = array(
'error' => "Can't write into apps directory",
'hint' => 'This can usually be fixed by '
.'< a href = "' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target = "_blank" > giving the webserver write access to the apps directory< / a > '
.'< a href = "' . $ defaults- > getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html'
.'#set-the-directory-permissions" target="_blank">giving the webserver write access to the apps directory< / a > '
.'or disabling the appstore in the config file.'
);
}
@ -243,94 +268,131 @@ class OC_Util {
$errors[] = array(
'error' => "Can't create data directory (".$CONFIG_DATADIRECTORY.")",
'hint' => 'This can usually be fixed by '
.'< a href = "' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target = "_blank" > giving the webserver write access to the root directory< / a > .'
.'< a href = "' . $ defaults- > getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html'
.'#set-the-directory-permissions" target="_blank">giving the webserver write access to the root directory< / a > .'
);
}
} else if(!is_writable($CONFIG_DATADIRECTORY) or !is_readable($CONFIG_DATADIRECTORY)) {
$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY.') not writable by ownCloud',
'hint'=>$permissionsHint);
$errors[] = array(
'error'=>'Data directory ('.$CONFIG_DATADIRECTORY.') not writable by ownCloud',
'hint'=>$permissionsHint
);
} else {
$errors = array_merge($errors, self::checkDataDirectoryPermissions($CONFIG_DATADIRECTORY));
}
$moduleHint = "Please ask your server administrator to install the module.";
// check if all required php modules are present
if(!class_exists('ZipArchive')) {
$errors[]=array('error'=>'PHP module zip not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module zip not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!class_exists('DOMDocument')) {
$errors[] = array('error' => 'PHP module dom not installed.',
'hint' => 'Please ask your server administrator to install the module.');
$web_server_restart =true;
$errors[] = array(
'error' => 'PHP module dom not installed.',
'hint' => $moduleHint
);
$webServerRestart =true;
}
if(!function_exists('xml_parser_create')) {
$errors[] = array('error' => 'PHP module libxml not installed.',
'hint' => 'Please ask your server administrator to install the module.');
$web_server_restart =true;
$errors[] = array(
'error' => 'PHP module libxml not installed.',
'hint' => $moduleHint
);
$webServerRestart = true;
}
if(!function_exists('mb_detect_encoding')) {
$errors[]=array('error'=>'PHP module mb multibyte not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module mb multibyte not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!function_exists('ctype_digit')) {
$errors[]=array('error'=>'PHP module ctype is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module ctype is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!function_exists('json_encode')) {
$errors[]=array('error'=>'PHP module JSON is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module JSON is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!extension_loaded('gd') || !function_exists('gd_info')) {
$errors[]=array('error'=>'PHP module GD is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module GD is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!function_exists('gzencode')) {
$errors[]=array('error'=>'PHP module zlib is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module zlib is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!function_exists('iconv')) {
$errors[]=array('error'=>'PHP module iconv is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module iconv is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(!function_exists('simplexml_load_string')) {
$errors[]=array('error'=>'PHP module SimpleXML is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP module SimpleXML is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if(floatval(phpversion())< 5.3 ) {
$errors[]=array('error'=>'PHP 5.3 is required.',
if(floatval(phpversion()) < 5.3 ) {
$errors[] = array(
'error'=>'PHP 5.3 is required.',
'hint'=>'Please ask your server administrator to update PHP to version 5.3 or higher.'
.' PHP 5.2 is no longer supported by ownCloud and the PHP community.');
$web_server_restart=true;
.' PHP 5.2 is no longer supported by ownCloud and the PHP community.'
);
$webServerRestart = true;
}
if(!defined('PDO::ATTR_DRIVER_NAME')) {
$errors[]=array('error'=>'PHP PDO module is not installed.',
'hint'=>'Please ask your server administrator to install the module.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP PDO module is not installed.',
'hint'=>$moduleHint
);
$webServerRestart = true;
}
if (((strtolower(@ini_get('safe_mode')) == 'on')
|| (strtolower(@ini_get('safe_mode')) == 'yes')
|| (strtolower(@ini_get('safe_mode')) == 'true')
|| (ini_get("safe_mode") == 1 ))) {
$errors[]=array('error'=>'PHP Safe Mode is enabled. ownCloud requires that it is disabled to work properly.',
'hint'=>'PHP Safe Mode is a deprecated and mostly useless setting that should be disabled. Please ask your server administrator to disable it in php.ini or in your webserver config.');
$web_server_restart=true;
$errors[] = array(
'error'=>'PHP Safe Mode is enabled. ownCloud requires that it is disabled to work properly.',
'hint'=>'PHP Safe Mode is a deprecated and mostly useless setting that should be disabled. '
.'Please ask your server administrator to disable it in php.ini or in your webserver config.'
);
$webServerRestart = true;
}
if (get_magic_quotes_gpc() == 1 ) {
$errors[]=array('error'=>'Magic Quotes is enabled. ownCloud requires that it is disabled to work properly.',
'hint'=>'Magic Quotes is a deprecated and mostly useless setting that should be disabled. Please ask your server administrator to disable it in php.ini or in your webserver config.');
$web_server_restart=true;
$errors[] = array(
'error'=>'Magic Quotes is enabled. ownCloud requires that it is disabled to work properly.',
'hint'=>'Magic Quotes is a deprecated and mostly useless setting that should be disabled. '
.'Please ask your server administrator to disable it in php.ini or in your webserver config.'
);
$webServerRestart = true;
}
if($web_server_restart) {
$errors[]=array('error'=>'PHP modules have been installed, but they are still listed as missing?',
'hint'=>'Please ask your server administrator to restart the web server.');
if($webServerRestart) {
$errors[] = array(
'error'=>'PHP modules have been installed, but they are still listed as missing?',
'hint'=>'Please ask your server administrator to restart the web server.'
);
}
// Cache the result of this function
@ -357,30 +419,36 @@ class OC_Util {
}
/**
* Check for correct file permissions of data directory
* @return array arrays with error messages and hints
*/
* @brief Check for correct file permissions of data directory
* @paran string $dataDirectory
* @return array arrays with error messages and hints
*/
public static function checkDataDirectoryPermissions($dataDirectory) {
$errors = array();
if (stristr(PHP_OS, 'WIN' )) {
if (self::runningOnWindows( )) {
//TODO: permissions checks for windows hosts
} else {
$permissionsModHint = 'Please change the permissions to 0770 so that the directory'
.' cannot be listed by other users.';
$pr ems = substr(decoct(@fileperms($dataDirectory)), -3);
if (substr($pr ems, -1) != '0') {
$per ms = substr(decoct(@fileperms($dataDirectory)), -3);
if (substr($per ms, -1) != '0') {
OC_Helper::chmodr($dataDirectory, 0770);
clearstatcache();
$prems = substr(decoct(@fileperms($dataDirectory)), -3);
if (substr($prems, 2, 1) != '0') {
$errors[] = array('error' => 'Data directory ('.$dataDirectory.') is readable for other users',
'hint' => $permissionsModHint);
$perms = substr(decoct(@fileperms($dataDirectory)), -3);
if (substr($perms, 2, 1) != '0') {
$errors[] = array(
'error' => 'Data directory ('.$dataDirectory.') is readable for other users',
'hint' => $permissionsModHint
);
}
}
}
return $errors;
}
/**
* @return void
*/
public static function displayLoginPage($errors = array()) {
$parameters = array();
foreach( $errors as $key => $value ) {
@ -394,8 +462,8 @@ class OC_Util {
$parameters['user_autofocus'] = true;
}
if (isset($_REQUEST['redirect_url'])) {
$redirect_u rl = $_REQUEST['redirect_url'];
$parameters['redirect_url'] = urlencode($redirect_u rl);
$redirectU rl = $_REQUEST['redirect_url'];
$parameters['redirect_url'] = urlencode($redirectU rl);
}
$parameters['alt_login'] = OC_App::getAlternativeLogIns();
@ -404,7 +472,8 @@ class OC_Util {
/**
* Check if the app is enabled, redirects to home if not
* @brief Check if the app is enabled, redirects to home if not
* @return void
*/
public static function checkAppEnabled($app) {
if( !OC_App::isEnabled($app)) {
@ -416,18 +485,21 @@ class OC_Util {
/**
* Check if the user is logged in, redirects to home if not. With
* redirect URL parameter to the request URI.
* @return void
*/
public static function checkLoggedIn() {
// Check if we are a user
if( !OC_User::isLoggedIn()) {
header( 'Location: '.OC_Helper::linkToAbsolute( '', 'index.php',
array('redirect_url' => OC_Request::requestUri())));
array('redirectUrl' => OC_Request::requestUri())
));
exit();
}
}
/**
* Check if the user is a admin, redirects to home if not
* @brief Check if the user is a admin, redirects to home if not
* @return void
*/
public static function checkAdminUser() {
if( !OC_User::isAdminUser(OC_User::getUser())) {
@ -437,7 +509,7 @@ class OC_Util {
}
/**
* Check if the user is a subadmin, redirects to home if not
* @brief Check if the user is a subadmin, redirects to home if not
* @return array $groups where the current user is subadmin
*/
public static function checkSubAdminUser() {
@ -449,7 +521,8 @@ class OC_Util {
}
/**
* Redirect to the user default page
* @brief Redirect to the user default page
* @return void
*/
public static function redirectToDefaultPage() {
if(isset($_REQUEST['redirect_url'])) {
@ -457,13 +530,11 @@ class OC_Util {
}
else if (isset(OC::$REQUESTEDAPP) & & !empty(OC::$REQUESTEDAPP)) {
$location = OC_Helper::linkToAbsolute( OC::$REQUESTEDAPP, 'index.php' );
}
else {
$defaultpage = OC_Appconfig::getValue('core', 'defaultpage');
if ($defaultpage) {
$location = OC_Helper::makeURLAbsolute(OC::$WEBROOT.'/'.$defaultpage);
}
else {
} else {
$defaultPage = OC_Appconfig::getValue('core', 'defaultpage');
if ($defaultPage) {
$location = OC_Helper::makeURLAbsolute(OC::$WEBROOT.'/'.$defaultPage);
} else {
$location = OC_Helper::linkToAbsolute( 'files', 'index.php' );
}
}
@ -472,28 +543,28 @@ class OC_Util {
exit();
}
/**
* get an id unique for this instance
* @return string
*/
public static function getInstanceId() {
$id = OC_Config::getValue('instanceid', null);
if(is_null($id)) {
// We need to guarantee at least one letter in instanceid so it can be used as the session_name
$id = 'oc' . OC_Util::generate_random_b ytes(10);
OC_Config::setValue('instanceid', $id);
}
return $id;
}
/**
* @brief get an id unique for this instance
* @return string
*/
public static function getInstanceId() {
$id = OC_Config::getValue('instanceid', null);
if(is_null($id)) {
// We need to guarantee at least one letter in instanceid so it can be used as the session_name
$id = 'oc' . self::generateRandomB ytes(10);
OC_Config::setValue('instanceid', $id);
}
return $id;
}
/**
* @brief Static lifespan (in seconds) when a request token expires.
* @see OC_Util::callRegister()
* @see OC_Util::isCallRegistered()
* @description
* Also required for the client side to compute the pi ont in time when to
* Also required for the client side to compute the poi nt in time when to
* request a fresh token. The client will do so when nearly 97% of the
* timespan coded here has expired.
* time span coded here has expired.
*/
public static $callLifespan = 3600; // 3600 secs = 1 hour
@ -513,7 +584,7 @@ class OC_Util {
// Check if a token exists
if(!\OC::$session->exists('requesttoken')) {
// No valid token found, generate a new one.
$requestToken = self::generate_random_b ytes(20);
$requestToken = self::generateRandomB ytes(20);
\OC::$session->set('requesttoken', $requestToken);
} else {
// Valid token already exists, send it
@ -534,11 +605,11 @@ class OC_Util {
}
if(isset($_GET['requesttoken'])) {
$token=$_GET['requesttoken'];
$token = $_GET['requesttoken'];
} elseif(isset($_POST['requesttoken'])) {
$token=$_POST['requesttoken'];
$token = $_POST['requesttoken'];
} elseif(isset($_SERVER['HTTP_REQUESTTOKEN'])) {
$token=$_SERVER['HTTP_REQUESTTOKEN'];
$token = $_SERVER['HTTP_REQUESTTOKEN'];
} else {
//no token found.
return false;
@ -556,11 +627,12 @@ class OC_Util {
/**
* @brief Check an ajax get/post call if the request token is valid. exit if not.
* Todo: Write howto
* @todo Write howto
* @return void
*/
public static function callCheck() {
if(!OC_Util::isCallRegistered()) {
exit;
exit() ;
}
}
@ -570,14 +642,15 @@ class OC_Util {
* This function is used to sanitize HTML and should be applied on any
* string or array of strings before displaying it on a web page.
*
* @param string or array of strings
* @param string| array of strings
* @return array with sanitized strings or a single sanitized string, depends on the input parameter.
*/
public static function sanitizeHTML( & $value ) {
if (is_array($value)) {
array_walk_recursive($value, 'OC_Util::sanitizeHTML');
} else {
$value = htmlentities((string)$value, ENT_QUOTES, 'UTF-8'); //Specify encoding for PHP< 5.4
//Specify encoding for PHP< 5.4
$value = htmlentities((string)$value, ENT_QUOTES, 'UTF-8');
}
return $value;
}
@ -599,17 +672,20 @@ class OC_Util {
}
/**
* Check if the htaccess file is working by creating a test file in the data directory and trying to access via http
* @brief Check if the htaccess file is working
* @return bool
* @description Check if the htaccess file is working by creating a test
* file in the data directory and trying to access via http
*/
public static function ishtaccessworking() {
public static function isHtAccessW orking() {
// testdata
$filename= '/htaccesstest.txt';
$testcontent= 'testcontent';
$fileName = '/htaccesstest.txt';
$testContent = 'testcontent';
// creating a test file
$testf ile = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" ).'/'.$filen ame;
$testF ile = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" ).'/'.$fileN ame;
if(file_exists($testf ile)) {// already running this test, possible recursive call
if(file_exists($testF ile)) {// already running this test, possible recursive call
return false;
}
@ -618,7 +694,7 @@ class OC_Util {
@fclose($fp);
// accessing the file via http
$url = OC_Helper::makeURLAbsolute(OC::$WEBROOT.'/data'.$filen ame);
$url = OC_Helper::makeURLAbsolute(OC::$WEBROOT.'/data'.$fileN ame);
$fp = @fopen($url, 'r');
$content=@fread($fp, 2048);
@fclose($fp);
@ -627,20 +703,21 @@ class OC_Util {
@unlink($testfile);
// does it work ?
if($content==$testc ontent) {
return(false) ;
}else{
return(true) ;
if($content==$testC ontent) {
return false ;
} else {
return true ;
}
}
/**
* we test if webDAV is working properly
*
* @brief test if webDAV is working properly
* @return bool
* @description
* The basic assumption is that if the server returns 401/Not Authenticated for an unauthenticated PROPFIND
* the web server it self is setup properly.
*
* Why not an authenticated PROFIND and other verbs?
* Why not an authenticated PROP FIND and other verbs?
* - We don't have the password available
* - We have no idea about other auth methods implemented (e.g. OAuth with Bearer header)
*
@ -654,7 +731,7 @@ class OC_Util {
);
// save the old timeout so that we can restore it later
$old_timeout= ini_get("default_socket_timeout");
$oldTimeout = ini_get("default_socket_timeout");
// use a 5 sec timeout for the check. Should be enough for local requests.
ini_set("default_socket_timeout", 5);
@ -668,24 +745,25 @@ class OC_Util {
try {
// test PROPFIND
$client->propfind('', array('{DAV:}resourcetype'));
} catch(\Sabre_DAV_Exception_NotAuthenticated $e) {
} catch (\Sabre_DAV_Exception_NotAuthenticated $e) {
$return = true;
} catch(\Exception $e) {
} catch (\Exception $e) {
OC_Log::write('core', 'isWebDAVWorking: NO - Reason: '.$e->getMessage(). ' ('.get_class($e).')', OC_Log::WARN);
$return = false;
}
// restore the original timeout
ini_set("default_socket_timeout", $old_t imeout);
ini_set("default_socket_timeout", $oldT imeout);
return $return;
}
/**
* Check if the setlocal call doesn' t work. This can happen if the right
* Check if the setlocal call does no t work. This can happen if the right
* local packages are not available on the server.
* @return bool
*/
public static function issetlocalew orking() {
public static function isSetLocaleW orking() {
// setlocale test is pointless on Windows
if (OC_Util::runningOnWindows() ) {
return true;
@ -699,7 +777,7 @@ class OC_Util {
}
/**
* Check if the PHP module fileinfo is loaded.
* @brief Check if the PHP module fileinfo is loaded.
* @return bool
*/
public static function fileInfoLoaded() {
@ -707,7 +785,8 @@ class OC_Util {
}
/**
* Check if the ownCloud server can connect to the internet
* @brief Check if the ownCloud server can connect to the internet
* @return bool
*/
public static function isInternetConnectionWorking() {
// in case there is no internet connection on purpose return false
@ -720,30 +799,29 @@ class OC_Util {
if ($connected) {
fclose($connected);
return true;
}else{
} else {
// second try in case one server is down
$connected = @fsockopen("apps.owncloud.com", 80);
if ($connected) {
fclose($connected);
return true;
}else{
} else {
return false;
}
}
}
/**
* Check if the connection to the internet is disabled on purpose
* @brief Check if the connection to the internet is disabled on purpose
* @return bool
*/
public static function isInternetConnectionEnabled(){
return \OC_Config::getValue("has_internet_connection", true);
}
/**
* clear all levels of output buffering
* @brief clear all levels of output buffering
* @return void
*/
public static function obEnd(){
while (ob_get_level()) {
@ -753,47 +831,47 @@ class OC_Util {
/**
* @brief Generates a cryptographical secure pseudorandom string
* @param Int with the length of the random string
* @brief Generates a cryptographic secure pseudo- random string
* @param Int $ length of the random string
* @return String
* Please also update secureRNG_a vailable if you change something here
* Please also update secureRNGA vailable if you change something here
*/
public static function generate_random_bytes($length = 30) {
public static function generateRandomBytes($length = 30) {
// Try to use openssl_random_pseudo_bytes
if(function_exists('openssl_random_pseudo_bytes')) {
$pseudo_b yte = bin2hex(openssl_random_pseudo_bytes($length, $strong));
if (function_exists('openssl_random_pseudo_bytes')) {
$pseudoB yte = bin2hex(openssl_random_pseudo_bytes($length, $strong));
if($strong == true) {
return substr($pseudo_b yte, 0, $length); // Truncate it to match the length
return substr($pseudoB yte, 0, $length); // Truncate it to match the length
}
}
// Try to use /dev/urandom
$fp = @file_get_contents('/dev/urandom', false, null, 0, $length);
if ($fp !== false) {
$string = substr(bin2hex($fp), 0, $length);
return $string;
if (!self::runningOnWindows()) {
$fp = @file_get_contents('/dev/urandom', false, null, 0, $length);
if ($fp !== false) {
$string = substr(bin2hex($fp), 0, $length);
return $string;
}
}
// Fallback to mt_rand()
$characters = '0123456789';
$characters .= 'abcdefghijklmnopqrstuvwxyz';
$charactersLength = strlen($characters)-1;
$pseudo_b yte = "";
$pseudoB yte = "";
// Select some random characters
for ($i = 0; $i < $length; $i++) {
$pseudo_b yte .= $characters[mt_rand(0, $charactersLength)];
$pseudoB yte .= $characters[mt_rand(0, $charactersLength)];
}
return $pseudo_b yte;
return $pseudoB yte;
}
/**
* @brief Checks if a secure random number generator is available
* @return bool
*/
public static function secureRNG_available() {
public static function secureRNGAvailable() {
// Check openssl_random_pseudo_bytes
if(function_exists('openssl_random_pseudo_bytes')) {
openssl_random_pseudo_bytes(1, $strong);
@ -803,9 +881,11 @@ class OC_Util {
}
// Check /dev/urandom
$fp = @file_get_contents('/dev/urandom', false, null, 0, 1);
if ($fp !== false) {
return true;
if (!self::runningOnWindows()) {
$fp = @file_get_contents('/dev/urandom', false, null, 0, 1);
if ($fp !== false) {
return true;
}
}
return false;
@ -818,11 +898,8 @@ class OC_Util {
* This function get the content of a page via curl, if curl is enabled.
* If not, file_get_element is used.
*/
public static function getUrlContent($url){
if (function_exists('curl_init')) {
if (function_exists('curl_init')) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_HEADER, 0);
@ -833,10 +910,10 @@ class OC_Util {
curl_setopt($curl, CURLOPT_MAXREDIRS, 10);
curl_setopt($curl, CURLOPT_USERAGENT, "ownCloud Server Crawler");
if(OC_Config::getValue('proxy', '')< >
if(OC_Config::getValue('proxy', '') != '') {
curl_setopt($curl, CURLOPT_PROXY, OC_Config::getValue('proxy'));
}
if(OC_Config::getValue('proxyuserpwd', '')< >
if(OC_Config::getValue('proxyuserpwd', '') != '') {
curl_setopt($curl, CURLOPT_PROXYUSERPWD, OC_Config::getValue('proxyuserpwd'));
}
$data = curl_exec($curl);
@ -845,7 +922,7 @@ class OC_Util {
} else {
$contextArray = null;
if(OC_Config::getValue('proxy', '')< >
if(OC_Config::getValue('proxy', '') != '') {
$contextArray = array(
'http' => array(
'timeout' => 10,
@ -860,11 +937,10 @@ class OC_Util {
);
}
$ctx = stream_context_create(
$contextArray
);
$data=@file_get_contents($url, 0, $ctx);
$data = @file_get_contents($url, 0, $ctx);
}
return $data;
@ -877,7 +953,6 @@ class OC_Util {
return (substr(PHP_OS, 0, 3) === "WIN");
}
/**
* Handles the case that there may not be a theme, then check if a "default"
* theme exists and take that one
@ -887,20 +962,19 @@ class OC_Util {
$theme = OC_Config::getValue("theme", '');
if($theme === '') {
if(is_dir(OC::$SERVERROOT . '/themes/default')) {
$theme = 'default';
}
}
return $theme;
}
/**
* Clear the opcode cache if one exists
* @brief Clear the opcode cache if one exists
* This is necessary for writing to the config file
* in case the opcode cache doesn't revalidate files
* in case the opcode cache does not re-validate files
* @return void
*/
public static function clearOpcodeCache() {
// APC
@ -939,8 +1013,10 @@ class OC_Util {
return $value;
}
public static function basename($file)
{
/**
* @return string
*/
public static function basename($file) {
$file = rtrim($file, '/');
$t = explode('/', $file);
return array_pop($t);
Morris Jobke
11 years ago