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-rwxr-xr-xlib/util.php212
1 files changed, 159 insertions, 53 deletions
diff --git a/lib/util.php b/lib/util.php
index e79daae8a0a..981b05b2b46 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -1,4 +1,7 @@
<?php
+
+require_once 'Patchwork/PHP/Shim/Normalizer.php';
+
/**
* Class for utility functions
*
@@ -38,6 +41,7 @@ class OC_Util {
$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$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::$rootMounted=true;
@@ -66,6 +70,7 @@ class OC_Util {
public static function tearDownFS() {
\OC\Files\Filesystem::tearDown();
self::$fsSetup=false;
+ self::$rootMounted=false;
}
/**
@@ -75,7 +80,7 @@ class OC_Util {
public static function getVersion() {
// hint: We only can count up. Reset minor/patchlevel when
// updating major/minor version number.
- return array(5, 80, 00);
+ return array(5, 80, 05);
}
/**
@@ -149,10 +154,10 @@ class OC_Util {
* @param bool dateOnly option to omit time from the result
*/
public static function formatDate( $timestamp, $dateOnly=false) {
- if(isset($_SESSION['timezone'])) {//adjust to clients timezone if we know it
+ if(\OC::$session->exists('timezone')) {//adjust to clients timezone if we know it
$systemTimeZone = intval(date('O'));
$systemTimeZone=(round($systemTimeZone/100, 0)*60)+($systemTimeZone%100);
- $clientTimeZone=$_SESSION['timezone']*60;
+ $clientTimeZone=\OC::$session->get('timezone')*60;
$offset=$clientTimeZone-$systemTimeZone;
$timestamp=$timestamp+$offset*60;
}
@@ -167,25 +172,30 @@ class OC_Util {
public static function checkServer() {
$errors=array();
+ $defaults = new \OC_Defaults();
+
$web_server_restart= 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('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;
}
//common hint for all file permissons error messages
- $permissionsHint='Permissions can usually be fixed by giving the webserver write access'
- .' to the ownCloud directory';
+ $permissionsHint = 'Permissions can usually be fixed by '
+ .'<a href="' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target="_blank">giving the webserver write access to the root directory</a>.';
// Check if config folder is writable.
if(!is_writable(OC::$SERVERROOT."/config/") or !is_readable(OC::$SERVERROOT."/config/")) {
- $errors[]=array('error'=>"Can't write into config directory 'config'",
- 'hint'=>'You can usually fix this by giving the webserver user write access'
- .' to the config directory in owncloud');
+ $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>.'
+ );
}
// Check if there is a writable install folder.
@@ -193,9 +203,12 @@ class OC_Util {
if( OC_App::getInstallPath() === null
|| !is_writable(OC_App::getInstallPath())
|| !is_readable(OC_App::getInstallPath()) ) {
- $errors[]=array('error'=>"Can't write into apps directory",
- 'hint'=>'You can usually fix this by giving the webserver user write access'
- .' to the apps directory in owncloud or disabling the appstore in the config file.');
+ $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> '
+ .'or disabling the appstore in the config file.'
+ );
}
}
$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
@@ -205,10 +218,11 @@ class OC_Util {
if ($success) {
$errors = array_merge($errors, self::checkDataDirectoryPermissions($CONFIG_DATADIRECTORY));
} else {
- $errors[]=array('error'=>"Can't create data directory (".$CONFIG_DATADIRECTORY.")",
- 'hint'=>"You can usually fix this by giving the webserver write access to the ownCloud directory '"
- .OC::$SERVERROOT."' (in a terminal, use the command "
- ."'chown -R www-data:www-data /path/to/your/owncloud/install/data' ");
+ $errors[] = array(
+ 'error' => "Can't create data directory (".$CONFIG_DATADIRECTORY.")",
+ 'hint' => 'This can usually be fixed by '
+ .'<a href="' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target="_blank">giving the webserver write access to the root directory</a>.'
+ );
}
} else if(!is_writable($CONFIG_DATADIRECTORY) or !is_readable($CONFIG_DATADIRECTORY)) {
$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY.') not writable by ownCloud',
@@ -220,68 +234,76 @@ class OC_Util {
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= false;
+ $web_server_restart=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 = false;
+ $web_server_restart =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 = false;
+ $web_server_restart =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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=true;
}
- if(!function_exists('imagepng')) {
+ 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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=true;
}
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= false;
+ $web_server_restart=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= false;
+ $web_server_restart=true;
}
- if(ini_get('safe_mode')) {
+ 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= false;
+ $web_server_restart=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.');
+ $web_server_restart=true;
}
if($web_server_restart) {
@@ -408,18 +430,19 @@ class OC_Util {
exit();
}
- /**
- * get an id unqiue for this instance
- * @return string
- */
- public static function getInstanceId() {
- $id=OC_Config::getValue('instanceid', null);
- if(is_null($id)) {
- $id=uniqid();
- OC_Config::setValue('instanceid', $id);
- }
- return $id;
- }
+ /**
+ * 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_bytes(10);
+ OC_Config::setValue('instanceid', $id);
+ }
+ return $id;
+ }
/**
* @brief Static lifespan (in seconds) when a request token expires.
@@ -446,13 +469,13 @@ class OC_Util {
*/
public static function callRegister() {
// Check if a token exists
- if(!isset($_SESSION['requesttoken'])) {
+ if(!\OC::$session->exists('requesttoken')) {
// No valid token found, generate a new one.
$requestToken = self::generate_random_bytes(20);
- $_SESSION['requesttoken']=$requestToken;
+ \OC::$session->set('requesttoken', $requestToken);
} else {
// Valid token already exists, send it
- $requestToken = $_SESSION['requesttoken'];
+ $requestToken = \OC::$session->get('requesttoken');
}
return($requestToken);
}
@@ -464,7 +487,7 @@ class OC_Util {
* @see OC_Util::callRegister()
*/
public static function isCallRegistered() {
- if(!isset($_SESSION['requesttoken'])) {
+ if(!\OC::$session->exists('requesttoken')) {
return false;
}
@@ -480,7 +503,7 @@ class OC_Util {
}
// Check if the token is valid
- if($token !== $_SESSION['requesttoken']) {
+ if($token !== \OC::$session->get('requesttoken')) {
// Not valid
return false;
} else {
@@ -516,7 +539,22 @@ class OC_Util {
}
return $value;
}
-
+
+ /**
+ * @brief Public function to encode url parameters
+ *
+ * This function is used to encode path to file before output.
+ * Encoding is done according to RFC 3986 with one exception:
+ * Character '/' is preserved as is.
+ *
+ * @param string $component part of URI to encode
+ * @return string
+ */
+ public static function encodePath($component) {
+ $encoded = rawurlencode($component);
+ $encoded = str_replace('%2F', '/', $encoded);
+ return $encoded;
+ }
/**
* Check if the htaccess file is working by creating a test file in the data directory and trying to access via http
@@ -591,7 +629,7 @@ class OC_Util {
} catch(\Sabre_DAV_Exception_NotAuthenticated $e) {
$return = true;
} catch(\Exception $e) {
- OC_Log::write('core', 'isWebDAVWorking: NO - Reason: '.$e, OC_Log::WARN);
+ OC_Log::write('core', 'isWebDAVWorking: NO - Reason: '.$e->getMessage(). ' ('.get_class($e).')', OC_Log::WARN);
$return = false;
}
@@ -614,8 +652,8 @@ class OC_Util {
$result = setlocale(LC_ALL, 'en_US.UTF-8', 'en_US.UTF8');
if($result == false) {
return false;
- }
- return true;
+ }
+ return true;
}
/**
@@ -629,7 +667,11 @@ class OC_Util {
/**
* Check if the ownCloud server can connect to the internet
*/
- public static function isinternetconnectionworking() {
+ public static function isInternetConnectionWorking() {
+ // in case there is no internet connection on purpose return false
+ if (self::isInternetConnectionEnabled() === false) {
+ return false;
+ }
// try to connect to owncloud.org to see if http connections to the internet are possible.
$connected = @fsockopen("www.owncloud.org", 80);
@@ -650,6 +692,13 @@ class OC_Util {
}
}
+
+ /**
+ * Check if the connection to the internet is disabled on purpose
+ */
+ public static function isInternetConnectionEnabled(){
+ return \OC_Config::getValue("has_internet_connection", true);
+ }
/**
* clear all levels of output buffering
@@ -786,4 +835,61 @@ 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
+ * @return string the theme
+ */
+ public static function getTheme() {
+ $theme = OC_Config::getValue("theme", '');
+
+ if($theme === '') {
+
+ if(is_dir(OC::$SERVERROOT . '/themes/default')) {
+ $theme = 'default';
+ }
+
+ }
+
+ return $theme;
+ }
+
+ /**
+ * Clear the opcode cache if one exists
+ * This is necessary for writing to the config file
+ * in case the opcode cache doesn't revalidate files
+ */
+ public static function clearOpcodeCache() {
+ // APC
+ if (function_exists('apc_clear_cache')) {
+ apc_clear_cache();
+ }
+ // Zend Opcache
+ if (function_exists('accelerator_reset')) {
+ accelerator_reset();
+ }
+ // XCache
+ if (function_exists('xcache_clear_cache')) {
+ xcache_clear_cache(XC_TYPE_VAR, 0);
+ }
+ }
+
+ /**
+ * Normalize a unicode string
+ * @param string $value a not normalized string
+ * @return bool|string
+ */
+ public static function normalizeUnicode($value) {
+ if(class_exists('Patchwork\PHP\Shim\Normalizer')) {
+ $normalizedValue = \Patchwork\PHP\Shim\Normalizer::normalize($value);
+ if($normalizedValue === false) {
+ \OC_Log::write( 'core', 'normalizing failed for "' . $value . '"', \OC_Log::WARN);
+ } else {
+ $value = $normalizedValue;
+ }
+ }
+
+ return $value;
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-13 13:43:45 +0000