forked from extern/egroupware
silently add home dirs, if they dont exist (they get now created by a hook, when a user/group get added
This commit is contained in:
Ralf Becker
parent
2a62e73df1
commit
b08b584a76
@ -16,7 +16,7 @@
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*
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* The new vfs stream wrapper uses a kind of fstab to mount different filesystems / stream wrapper types
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* together for eGW's virtual file system.
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*
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*
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* @ToDo extended ACL with inheritance and specific rights for users or groups
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* Backends can implement them, in which case they get stored independent of the current mount-points.
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* If the backend does not implement them, they get stored by the VFS under the final URL of the backend,
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@ -25,7 +25,7 @@
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* implement extended ACL itself.
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* @ToDo storage for WebDAV properties
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* @ToDo implement the necessary function of WebDAV locks
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*
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*
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* @link http://www.php.net/manual/en/function.stream-wrapper-register.php
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*/
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class vfs_stream_wrapper implements iface_stream_wrapper
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@ -42,30 +42,26 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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* Should unreadable entries in a not writable directory be hidden, default yes
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*/
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const HIDE_UNREADABLES = true;
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/**
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* optional context param when opening the stream, null if no context passed
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*
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* @var mixed
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*/
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var $context;
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/**
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* Our fstab in the form mount-point => url
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*
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*
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* The entry for root has to be the first, or more general if you mount into subdirs the parent has to be before!
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*
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* @var array
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*/
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protected static $fstab = array(
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'/' => 'sqlfs://$user:$pass@$host/',
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'/apps' => 'links://$user:$pass@$host/apps',
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// '/' => 'oldvfs://$user:$pass@$host/',
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// '/files' => 'oldvfs://$user:$pass@$host/home/Default',
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// '/images' => 'http://localhost/egroupware/phpgwapi/templates/idots/images',
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// '/home/ralf/linux' => '/home/ralf', // we probably need to forbid direct filesystem access for security reasons!
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'/' => 'sqlfs://$host/',
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'/apps' => 'links://$host/apps',
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);
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/**
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* stream / ressouce this class is opened for by stream_open
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*
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@ -102,7 +98,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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* @var int
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*/
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private $extra_dir_ptr;
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private static $wrappers;
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/**
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@ -114,7 +110,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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static function resolve_url($path)
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{
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static $cache = array();
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// we do some caching here
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if (isset($cache[$path]))
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{
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@ -137,7 +133,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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return $path; // path is already a non-vfs url --> nothing to do
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}
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if (empty($parts['path'])) $parts['path'] = '/';
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foreach(array_reverse(self::$fstab) as $mounted => $url)
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{
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if ($mounted == '/' || $mounted == $parts['path'] || $mounted.'/' == substr($parts['path'],0,strlen($mounted)+1))
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@ -150,10 +146,10 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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$url .= substr($parts['path'],strlen($mounted));
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$url = str_replace(array('$user','$pass','$host'),array($parts['user'],$parts['pass'],$parts['host']),$url);
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if ($parts['query']) $url .= '?'.$parts['query'];
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if ($parts['fragment']) $url .= '#'.$parts['fragment'];
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//error_log(__METHOD__."($path) = $url");
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return $cache[$path] = $url;
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}
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@ -162,15 +158,15 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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trigger_error(__METHOD__."($path) can't resolve path!\n",E_USER_WARNING);
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return false;
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}
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/**
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* This method is called immediately after your stream object is created.
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*
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*
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* @param string $path URL that was passed to fopen() and that this object is expected to retrieve
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* @param string $mode mode used to open the file, as detailed for fopen()
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* @param int $options additional flags set by the streams API (or'ed together):
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* @param int $options additional flags set by the streams API (or'ed together):
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* - STREAM_USE_PATH If path is relative, search for the resource using the include_path.
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* - STREAM_REPORT_ERRORS If this flag is set, you are responsible for raising errors using trigger_error() during opening of the stream.
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* - STREAM_REPORT_ERRORS If this flag is set, you are responsible for raising errors using trigger_error() during opening of the stream.
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* If this flag is not set, you should not raise any errors.
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* @param string $opened_path full path of the file/resource, if the open was successfull and STREAM_USE_PATH was set
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* @return boolean true if the ressource was opened successful, otherwise false
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@ -189,10 +185,10 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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}
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return true;
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}
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/**
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* This method is called when the stream is closed, using fclose().
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*
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* This method is called when the stream is closed, using fclose().
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*
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* You must release any resources that were locked or allocated by the stream.
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*/
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function stream_close ( )
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@ -200,16 +196,16 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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$ret = fclose($this->opened_stream);
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$this->opened_stream = null;
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return $ret;
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}
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/**
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* This method is called in response to fread() and fgets() calls on the stream.
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*
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* You must return up-to count bytes of data from the current read/write position as a string.
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* If there are less than count bytes available, return as many as are available.
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* If no more data is available, return either FALSE or an empty string.
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*
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* You must return up-to count bytes of data from the current read/write position as a string.
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* If there are less than count bytes available, return as many as are available.
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* If no more data is available, return either FALSE or an empty string.
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* You must also update the read/write position of the stream by the number of bytes that were successfully read.
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*
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* @param int $count
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@ -222,10 +218,10 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to fwrite() calls on the stream.
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*
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* You should store data into the underlying storage used by your stream.
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* If there is not enough room, try to store as many bytes as possible.
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* You should return the number of bytes that were successfully stored in the stream, or 0 if none could be stored.
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*
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* You should store data into the underlying storage used by your stream.
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* If there is not enough room, try to store as many bytes as possible.
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* You should return the number of bytes that were successfully stored in the stream, or 0 if none could be stored.
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* You must also update the read/write position of the stream by the number of bytes that were successfully written.
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*
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* @param string $data
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@ -238,14 +234,14 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to feof() calls on the stream.
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*
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*
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* Important: PHP 5.0 introduced a bug that wasn't fixed until 5.1: the return value has to be the oposite!
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*
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*
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* if(version_compare(PHP_VERSION,'5.0','>=') && version_compare(PHP_VERSION,'5.1','<'))
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* {
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* $eof = !$eof;
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* }
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*
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*
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* @return boolean true if the read/write position is at the end of the stream and no more data availible, false otherwise
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*/
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function stream_eof ( )
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@ -255,7 +251,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to ftell() calls on the stream.
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*
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*
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* @return integer current read/write position of the stream
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*/
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function stream_tell ( )
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@ -266,9 +262,9 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to fseek() calls on the stream.
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*
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* You should update the read/write position of the stream according to offset and whence.
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* See fseek() for more information about these parameters.
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*
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* You should update the read/write position of the stream according to offset and whence.
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* See fseek() for more information about these parameters.
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*
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* @param integer $offset
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* @param integer $whence SEEK_SET - Set position equal to offset bytes
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* SEEK_CUR - Set position to current location plus offset.
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@ -282,9 +278,9 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to fflush() calls on the stream.
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*
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*
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* If you have cached data in your stream but not yet stored it into the underlying storage, you should do so now.
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*
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*
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* @return booelan TRUE if the cached data was successfully stored (or if there was no data to store), or FALSE if the data could not be stored.
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*/
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function stream_flush ( )
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@ -294,15 +290,15 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to fstat() calls on the stream.
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*
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* If you plan to use your wrapper in a require_once you need to define stream_stat().
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*
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* If you plan to use your wrapper in a require_once you need to define stream_stat().
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* If you plan to allow any other tests like is_file()/is_dir(), you have to define url_stat().
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* stream_stat() must define the size of the file, or it will never be included.
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* stream_stat() must define the size of the file, or it will never be included.
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* url_stat() must define mode, or is_file()/is_dir()/is_executable(), and any of those functions affected by clearstatcache() simply won't work.
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* It's not documented, but directories must be a mode like 040777 (octal), and files a mode like 0100666.
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* If you wish the file to be executable, use 7s instead of 6s.
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* The last 3 digits are exactly the same thing as what you pass to chmod.
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* 040000 defines a directory, and 0100000 defines a file.
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* It's not documented, but directories must be a mode like 040777 (octal), and files a mode like 0100666.
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* If you wish the file to be executable, use 7s instead of 6s.
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* The last 3 digits are exactly the same thing as what you pass to chmod.
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* 040000 defines a directory, and 0100000 defines a file.
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*
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* @return array containing the same values as appropriate for the stream.
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*/
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@ -313,7 +309,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to unlink() calls on URL paths associated with the wrapper.
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*
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*
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* It should attempt to delete the item specified by path.
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* In order for the appropriate error message to be returned, do not define this method if your wrapper does not support unlinking!
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*
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@ -331,8 +327,8 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to rename() calls on URL paths associated with the wrapper.
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*
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* It should attempt to rename the item specified by path_from to the specification given by path_to.
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*
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* It should attempt to rename the item specified by path_from to the specification given by path_to.
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* In order for the appropriate error message to be returned, do not define this method if your wrapper does not support renaming.
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*
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* The regular filesystem stream-wrapper returns an error, if $url_from and $url_to are not either both files or both dirs!
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@ -353,9 +349,9 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to mkdir() calls on URL paths associated with the wrapper.
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*
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* It should attempt to create the directory specified by path.
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* In order for the appropriate error message to be returned, do not define this method if your wrapper does not support creating directories.
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*
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* It should attempt to create the directory specified by path.
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* In order for the appropriate error message to be returned, do not define this method if your wrapper does not support creating directories.
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*
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* @param string $path
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* @param int $mode
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@ -373,8 +369,8 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This method is called in response to rmdir() calls on URL paths associated with the wrapper.
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*
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* It should attempt to remove the directory specified by path.
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*
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* It should attempt to remove the directory specified by path.
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* In order for the appropriate error message to be returned, do not define this method if your wrapper does not support removing directories.
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*
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* @param string $path
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@ -392,19 +388,19 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* Allow to call methods of the underlying stream wrapper: touch, chmod, chgrp, chown, ...
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*
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*
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* We cant use a magic __call() method, as it does not work for static methods!
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*
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* @param string $name
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* @param array $params first param has to be the path, otherwise we can not determine the correct wrapper
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* @param boolean $fail_silent=false should only false be returned if function is not supported by the backend,
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* @param boolean $fail_silent=false should only false be returned if function is not supported by the backend,
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* or should an E_USER_WARNING error be triggered (default)
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* @return mixed return value of backend or false if function does not exist on backend
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*/
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static protected function _call_on_backend($name,$params,$fail_silent=false)
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{
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$path = $params[0];
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if (!($url = self::resolve_url($params[0])))
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{
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return false;
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@ -457,7 +453,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This is not (yet) a stream-wrapper function, but it's necessary and can be used static
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*
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*
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* Requires root rights!
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*
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* @param string $path
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@ -471,7 +467,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This is not (yet) a stream-wrapper function, but it's necessary and can be used static
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*
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*
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* Requires owner or root rights!
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*
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* @param string $path
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@ -485,7 +481,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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/**
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* This is not (yet) a stream-wrapper function, but it's necessary and can be used static
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*
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*
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* The methods use the following ways to get the mime type (in that order)
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* - directories (is_dir()) --> self::DIR_MIME_TYPE
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* - stream implemented by class defining the STAT_RETURN_MIME_TYPE constant --> use mime-type returned by url_stat
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@ -536,18 +532,18 @@ class vfs_stream_wrapper implements iface_stream_wrapper
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//error_log(__METHOD__."($path) mime=$mime");
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return $mime;
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}
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/**
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* This method is called immediately when your stream object is created for examining directory contents with opendir().
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*
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* This method is called immediately when your stream object is created for examining directory contents with opendir().
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*
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* @param string $path URL that was passed to opendir() and that this object is expected to explore.
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* @return booelan
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* @return booelan
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*/
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function dir_opendir ( $path, $options )
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{
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$this->opened_dir = $this->extra_dirs = null;
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$this->extra_dir_ptr = 0;
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if (!($this->opened_dir_url = self::resolve_url($path)))
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{
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return false;
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@ -572,29 +568,29 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
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/**
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* This method is called in response to stat() calls on the URL paths associated with the wrapper.
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*
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* It should return as many elements in common with the system function as possible.
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*
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* It should return as many elements in common with the system function as possible.
|
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* Unknown or unavailable values should be set to a rational value (usually 0).
|
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*
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* If you plan to use your wrapper in a require_once you need to define stream_stat().
|
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*
|
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* If you plan to use your wrapper in a require_once you need to define stream_stat().
|
||||
* If you plan to allow any other tests like is_file()/is_dir(), you have to define url_stat().
|
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* stream_stat() must define the size of the file, or it will never be included.
|
||||
* stream_stat() must define the size of the file, or it will never be included.
|
||||
* url_stat() must define mode, or is_file()/is_dir()/is_executable(), and any of those functions affected by clearstatcache() simply won't work.
|
||||
* It's not documented, but directories must be a mode like 040777 (octal), and files a mode like 0100666.
|
||||
* If you wish the file to be executable, use 7s instead of 6s.
|
||||
* The last 3 digits are exactly the same thing as what you pass to chmod.
|
||||
* 040000 defines a directory, and 0100000 defines a file.
|
||||
* It's not documented, but directories must be a mode like 040777 (octal), and files a mode like 0100666.
|
||||
* If you wish the file to be executable, use 7s instead of 6s.
|
||||
* The last 3 digits are exactly the same thing as what you pass to chmod.
|
||||
* 040000 defines a directory, and 0100000 defines a file.
|
||||
*
|
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* @param string $path
|
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* @param int $flags holds additional flags set by the streams API. It can hold one or more of the following values OR'd together:
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* - STREAM_URL_STAT_LINK For resources with the ability to link to other resource (such as an HTTP Location: forward,
|
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* or a filesystem symlink). This flag specified that only information about the link itself should be returned,
|
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* not the resource pointed to by the link.
|
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* - STREAM_URL_STAT_LINK For resources with the ability to link to other resource (such as an HTTP Location: forward,
|
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* or a filesystem symlink). This flag specified that only information about the link itself should be returned,
|
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* not the resource pointed to by the link.
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* This flag is set in response to calls to lstat(), is_link(), or filetype().
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* - STREAM_URL_STAT_QUIET If this flag is set, your wrapper should not raise any errors. If this flag is not set,
|
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* - STREAM_URL_STAT_QUIET If this flag is set, your wrapper should not raise any errors. If this flag is not set,
|
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* you are responsible for reporting errors using the trigger_error() function during stating of the path.
|
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* stat triggers it's own warning anyway, so it makes no sense to trigger one by our stream-wrapper!
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* @return array
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* @return array
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*/
|
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static function url_stat ( $path, $flags )
|
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{
|
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@ -605,7 +601,21 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
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return false;
|
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}
|
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//error_log(__METHOD__."('$path',$flags) calling stat($url)");
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return $stat = @stat($url); // suppressed the stat failed warnings
|
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$stat = @stat($url); // suppressed the stat failed warnings
|
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|
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// check if a failed url_stat was for a home dir, in that case silently create it
|
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if (!$stat && dirname(parse_url($path,PHP_URL_PATH)) == '/home' && ($id = $GLOBALS['egw']->accounts->name2id(basename($path))))
|
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{
|
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$hook_data = array(
|
||||
'location' => $GLOBALS['egw']->accounts->get_type($id) == 'g' ? 'addgroup' : 'addaccount',
|
||||
'account_id' => $id,
|
||||
'account_lid' => basename($path),
|
||||
'account_name' => basename($path),
|
||||
);
|
||||
call_user_func(array('vfs_home_hooks',$hook_data['location']),$hook_data);
|
||||
$stat = @stat($url);
|
||||
}
|
||||
return $stat;
|
||||
|
||||
// Todo: if we hide non readables, we should return false on url_stat for consitency (if dir is not writabel)
|
||||
// Problem: this does NOT stop (calles itself infinit recursive)!
|
||||
@ -616,15 +626,15 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
||||
}
|
||||
return $stat;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This method is called in response to readdir().
|
||||
*
|
||||
*
|
||||
* It should return a string representing the next filename in the location opened by dir_opendir().
|
||||
*
|
||||
*
|
||||
* Unless other filesystem, we only return files readable by the user, if the dir is not writable for him.
|
||||
* This is done to hide files and dirs not accessible by the user (eg. other peoples home-dirs in /home).
|
||||
*
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
function dir_readdir ( )
|
||||
@ -637,18 +647,18 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
||||
do {
|
||||
$file = readdir($this->opened_dir);
|
||||
}
|
||||
while($file !== false && self::HIDE_UNREADABLES && !$this->opened_dir_writable &&
|
||||
while($file !== false && self::HIDE_UNREADABLES && !$this->opened_dir_writable &&
|
||||
!egw_vfs::check_access(egw_vfs::concat($this->opened_dir_url,$file),egw_vfs::READABLE));
|
||||
|
||||
|
||||
return $file;
|
||||
}
|
||||
|
||||
/**
|
||||
* This method is called in response to rewinddir().
|
||||
*
|
||||
* It should reset the output generated by dir_readdir(). i.e.:
|
||||
*
|
||||
* It should reset the output generated by dir_readdir(). i.e.:
|
||||
* The next call to dir_readdir() should return the first entry in the location returned by dir_opendir().
|
||||
*
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
function dir_rewinddir ( )
|
||||
@ -657,23 +667,23 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
||||
|
||||
return rewinddir($this->opened_dir);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This method is called in response to closedir().
|
||||
*
|
||||
* You should release any resources which were locked or allocated during the opening and use of the directory stream.
|
||||
*
|
||||
*
|
||||
* You should release any resources which were locked or allocated during the opening and use of the directory stream.
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
function dir_closedir ( )
|
||||
{
|
||||
$ret = closedir($this->opened_dir);
|
||||
|
||||
|
||||
$this->opened_dir = $this->extra_dirs = null;
|
||||
|
||||
|
||||
return $ret;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Load stream wrapper for a given schema
|
||||
*
|
||||
@ -707,7 +717,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Return already loaded stream wrappers
|
||||
*
|
||||
@ -721,15 +731,15 @@ class vfs_stream_wrapper implements iface_stream_wrapper
|
||||
}
|
||||
return self::$wrappers;
|
||||
}
|
||||
|
||||
|
||||
static function init_static()
|
||||
{
|
||||
stream_register_wrapper(self::SCHEME,__CLASS__);
|
||||
|
||||
if ($GLOBALS['egw_info']['server']['vfs_fstab'] &&
|
||||
if ($GLOBALS['egw_info']['server']['vfs_fstab'] &&
|
||||
is_array($fstab = unserialize($GLOBALS['egw_info']['server']['vfs_fstab'])) && count($fstab))
|
||||
{
|
||||
self::$fstab = $fstab;
|
||||
self::$fstab = $fstab;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user