grommunio / grommunio-web

plugins/files/php/Files/Backend/class.abstract_backend.php

Indentation +347 added lines, -347 removed lines

@@ -16,351 +16,351 @@
 
 abstract class AbstractBackend
 {
-	/**
-	 * @var string This is a small description for the backend. It will be shown in the settings UI.
-	 */
-	public $backendDescription = "This is a generic file backend.";
-
-	/**
-	 * @var string This is the name of backend that is visible to the user.
-	 */
-	public $backendDisplayName = "AbstractBackend";
-
-	/**
-	 * @var string Version code of the backend implementation.
-	 */
-	public $backendVersion = "1.0";
-
-	/**
-	 * @var string AccountID of the account that is using this backend.
-	 */
-	protected $accountID = null;
-
-	/**
-	 * This function will initialize internal variables of the backend. It will receive the values in the
-	 * $backend_config array.
-	 *
-	 * Example for the $backend_config array:
-	 * $backend_config["server_address"]
-	 * $backend_config["user"]
-	 * ...
-	 *
-	 * @param array $backend_config
-	 * @return void
-	 */
-	abstract public function init_backend($backend_config);
-
-	/**
-	 * This function will set the backend internal debug flag. Each backend will handle debugging by itself.
-	 *
-	 * @param bool $debug
-	 * @return void
-	 */
-	abstract public function set_debug($debug);
-
-	/**
-	 * This function opens the backend connection. For instance it will open a new ftp connection.
-	 *
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function open();
-
-	/**
-	 * This function will read a list of files and folders from the server.
-	 * The return value must look like this:
-	 * Array => (
-	 *  "path 1" => array(
-	 *      "resourcetype" => "collection" or "file",
-	 *      "getcontentlength" => size in bytes,
-	 *      "getlastmodified" => date/time string,
-	 *      "getcontenttype" => mime type (optional),
-	 *      "quota-used-bytes" => size in bytes (optional),
-	 *      "quota-available-bytes" => size in bytes (optional),
-	 *  ),
-	 *  "path 2" => array(
-	 *      ...
-	 *  ),
-	 * ):
-	 *
-	 * @param string $dir
-	 * @param bool $hidefirst
-	 * @throws \Files\Backend\Exception
-	 * @return array
-	 */
-	abstract public function ls($dir, $hidefirst = true);
-
-	/**
-	 * Creates a new directory on the server.
-	 *
-	 * @param string $dir
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function mkcol($dir);
-
-	/**
-	 * Deletes a files or folder from the backend.
-	 *
-	 * @param string $path
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function delete($path);
-
-	/**
-	 * Move a file or collection on the backend server (serverside).
-	 * If you set param $overwrite as true, the target will be overwritten.
-	 *
-	 * @param string $src_path Source path
-	 * @param string $dest_path Destination path
-	 * @param bool $overwrite Overwrite file if exists in $dest_path
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function move($src_path, $dst_path, $overwrite = false);
-
-	/**
-	 * Uploads the given $data to a new file in the backend.
-	 *
-	 * @param string $path
-	 * @param string $data
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function put($path, $data);
-
-	/**
-	 * Uploads a local file ($filename) to a new file in the backend.
-	 *
-	 * @param string $path
-	 * @param string $filename
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function put_file($path, $filename);
-
-	/**
-	 * Download a remote file to a buffer variable.
-	 *
-	 * @param string $path
-	 * @param string $buffer
-	 * @throws \Files\Backend\Exception
-	 * @return void
-	 */
-	abstract public function get($path, &$buffer);
-
-	/**
-	 * Download a remote file to a local file.
-	 *
-	 * @param string $srcpath
-	 * @param string $localpath
-	 * @throws \Files\Backend\Exception
-	 * @return void
-	 */
-	abstract public function get_file($srcpath, $localpath);
-
-	/**
-	 * Duplicates a file on the backend server.
-	 * If you set param overwrite as true, the target will be overwritten.
-	 *
-	 * @param string $src_path
-	 * @param string $dst_path
-	 * @param bool $overwrite
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function copy_file($src_path, $dst_path, $overwrite = false);
-
-	/**
-	 * Duplicates a folder on the backend server.
-	 * If you set param overwrite as true, the target will be overwritten.
-	 *
-	 * @param string $src_path
-	 * @param string $dst_path
-	 * @param bool $overwrite
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function copy_coll($src_path, $dst_path, $overwrite = false);
-
-	/**
-	 * Gets path information from backend server for the first element
-	 * in the given path.
-	 *
-	 * Returned value:
-	 * array(
-	 *      "resourcetype" => "collection" or "file",
-	 *      "getcontentlength" => size in bytes,
-	 *      "getlastmodified" => date/time string,
-	 *      "getcontenttype" => mime type (optional),
-	 *      "quota-used-bytes" => size in bytes (optional),
-	 *      "quota-available-bytes" => size in bytes (optional),
-	 * )
-	 *
-	 * @param string $path
-	 * @throws \Files\Backend\Exception
-	 * @return mixed
-	 */
-	abstract public function gpi($path);
-
-	/**
-	 * Checks if the given $path is a file. If so, this function returns true, otherwise it will
-	 * return false.
-	 *
-	 * @param string $path
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function is_file($path);
-
-	/**
-	 * Checks if the given $path is a folder. If so, this function returns true, otherwise it will
-	 * return false.
-	 *
-	 * @param string $path
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function is_dir($path);
-
-	/**
-	 * Checks if the given $path exists on the remote server. If so, this function returns true, otherwise it will
-	 * return false.
-	 *
-	 * @param string $path
-	 * @throws \Files\Backend\Exception
-	 * @return bool
-	 */
-	abstract public function exists($path);
-
-	/**
-	 * This function will return an array with configuration values for the settings form.
-	 *
-	 * Example return value:
-	 * array(
-	 *      "success" => true,
-	 *      "metaData" => array(
-	 *          "fields" => $this->formFields,
-	 *          "formConfig" => $this->formConfig
-	 *      ),
-	 *      "data" => array( // here we can specify the default values.
-	 *          "server_address" => "files.demo.com",
-	 *          "server_port" => "80",
-	 *          "server_path" => "/remote.php/webdav"
-	 *      ),
-	 * )
-	 *
-	 * @return array
-	 */
-	abstract public function getFormConfig();
-
-	/**
-	 * This function will return an array with configuration values for the settings form.
-	 * The returned value will also contain the data values for each form field.
-	 *
-	 * Example return value:
-	 * array(
-	 *      "success" => true,
-	 *      "metaData" => array(
-	 *          "fields" => $this->formFields,
-	 *          "formConfig" => $this->formConfig
-	 *      ),
-	 *      "data" => array( // here we can specify the default values.
-	 *          "server_address" => "files.demo.com",
-	 *          "server_port" => "80",
-	 *          "server_path" => "/remote.php/webdav"
-	 *      ),
-	 * )
-	 *
-	 * @return array
-	 */
-	abstract public function getFormConfigWithData();
-
-	/**
-	 * Returns a brief the description of the backend.
-	 *
-	 * @return string
-	 */
-	public function getDescription()
-	{
-		return $this->backendDescription;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getDisplayName()
-	{
-		return $this->backendDisplayName;
-	}
-
-
-	/**
-	 * Returns the version/revision of the backend.
-	 *
-	 * @return string
-	 */
-	public function getBackendVersion()
-	{
-		return $this->backendVersion;
-	}
-
-	/**
-	 * Check if the given feature is supported by this backend.
-	 *
-	 * @param string $feature feature name. e.g. Quota or VersionInfo
-	 *
-	 * @return bool
-	 */
-	public function supports($feature)
-	{
-		$features = $this->getAvailableFeatures();
-
-		return in_array($feature, $features);
-	}
-
-	/**
-	 * Returns all available features and their values.
-	 *
-	 * @return array
-	 */
-	public function getAvailableFeatures()
-	{
-		$interfaces = class_implements(get_class($this));
-		$features = array();
-
-		// remove namespace and interface prefix
-		foreach ($interfaces as $interface) {
-			$features[] = str_replace("Files\\Backend\\iFeature", "", $interface);
-		}
-
-		return $features;
-	}
-
-	/**
-	 * This function gets called before the backend-account is deleted.
-	 *
-	 * @param $account
-	 */
-	public function beforeDeleteAccount($account)
-	{
-		// do nothing by default
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getAccountID()
-	{
-		return $this->accountID;
-	}
-
-	/**
-	 * @param string $accountID
-	 */
-	public function setAccountID($accountID)
-	{
-		$this->accountID = $accountID;
-	}
+    /**
+     * @var string This is a small description for the backend. It will be shown in the settings UI.
+     */
+    public $backendDescription = "This is a generic file backend.";
+
+    /**
+     * @var string This is the name of backend that is visible to the user.
+     */
+    public $backendDisplayName = "AbstractBackend";
+
+    /**
+     * @var string Version code of the backend implementation.
+     */
+    public $backendVersion = "1.0";
+
+    /**
+     * @var string AccountID of the account that is using this backend.
+     */
+    protected $accountID = null;
+
+    /**
+     * This function will initialize internal variables of the backend. It will receive the values in the
+     * $backend_config array.
+     *
+     * Example for the $backend_config array:
+     * $backend_config["server_address"]
+     * $backend_config["user"]
+     * ...
+     *
+     * @param array $backend_config
+     * @return void
+     */
+    abstract public function init_backend($backend_config);
+
+    /**
+     * This function will set the backend internal debug flag. Each backend will handle debugging by itself.
+     *
+     * @param bool $debug
+     * @return void
+     */
+    abstract public function set_debug($debug);
+
+    /**
+     * This function opens the backend connection. For instance it will open a new ftp connection.
+     *
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function open();
+
+    /**
+     * This function will read a list of files and folders from the server.
+     * The return value must look like this:
+     * Array => (
+     *  "path 1" => array(
+     *      "resourcetype" => "collection" or "file",
+     *      "getcontentlength" => size in bytes,
+     *      "getlastmodified" => date/time string,
+     *      "getcontenttype" => mime type (optional),
+     *      "quota-used-bytes" => size in bytes (optional),
+     *      "quota-available-bytes" => size in bytes (optional),
+     *  ),
+     *  "path 2" => array(
+     *      ...
+     *  ),
+     * ):
+     *
+     * @param string $dir
+     * @param bool $hidefirst
+     * @throws \Files\Backend\Exception
+     * @return array
+     */
+    abstract public function ls($dir, $hidefirst = true);
+
+    /**
+     * Creates a new directory on the server.
+     *
+     * @param string $dir
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function mkcol($dir);
+
+    /**
+     * Deletes a files or folder from the backend.
+     *
+     * @param string $path
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function delete($path);
+
+    /**
+     * Move a file or collection on the backend server (serverside).
+     * If you set param $overwrite as true, the target will be overwritten.
+     *
+     * @param string $src_path Source path
+     * @param string $dest_path Destination path
+     * @param bool $overwrite Overwrite file if exists in $dest_path
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function move($src_path, $dst_path, $overwrite = false);
+
+    /**
+     * Uploads the given $data to a new file in the backend.
+     *
+     * @param string $path
+     * @param string $data
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function put($path, $data);
+
+    /**
+     * Uploads a local file ($filename) to a new file in the backend.
+     *
+     * @param string $path
+     * @param string $filename
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function put_file($path, $filename);
+
+    /**
+     * Download a remote file to a buffer variable.
+     *
+     * @param string $path
+     * @param string $buffer
+     * @throws \Files\Backend\Exception
+     * @return void
+     */
+    abstract public function get($path, &$buffer);
+
+    /**
+     * Download a remote file to a local file.
+     *
+     * @param string $srcpath
+     * @param string $localpath
+     * @throws \Files\Backend\Exception
+     * @return void
+     */
+    abstract public function get_file($srcpath, $localpath);
+
+    /**
+     * Duplicates a file on the backend server.
+     * If you set param overwrite as true, the target will be overwritten.
+     *
+     * @param string $src_path
+     * @param string $dst_path
+     * @param bool $overwrite
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function copy_file($src_path, $dst_path, $overwrite = false);
+
+    /**
+     * Duplicates a folder on the backend server.
+     * If you set param overwrite as true, the target will be overwritten.
+     *
+     * @param string $src_path
+     * @param string $dst_path
+     * @param bool $overwrite
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function copy_coll($src_path, $dst_path, $overwrite = false);
+
+    /**
+     * Gets path information from backend server for the first element
+     * in the given path.
+     *
+     * Returned value:
+     * array(
+     *      "resourcetype" => "collection" or "file",
+     *      "getcontentlength" => size in bytes,
+     *      "getlastmodified" => date/time string,
+     *      "getcontenttype" => mime type (optional),
+     *      "quota-used-bytes" => size in bytes (optional),
+     *      "quota-available-bytes" => size in bytes (optional),
+     * )
+     *
+     * @param string $path
+     * @throws \Files\Backend\Exception
+     * @return mixed
+     */
+    abstract public function gpi($path);
+
+    /**
+     * Checks if the given $path is a file. If so, this function returns true, otherwise it will
+     * return false.
+     *
+     * @param string $path
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function is_file($path);
+
+    /**
+     * Checks if the given $path is a folder. If so, this function returns true, otherwise it will
+     * return false.
+     *
+     * @param string $path
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function is_dir($path);
+
+    /**
+     * Checks if the given $path exists on the remote server. If so, this function returns true, otherwise it will
+     * return false.
+     *
+     * @param string $path
+     * @throws \Files\Backend\Exception
+     * @return bool
+     */
+    abstract public function exists($path);
+
+    /**
+     * This function will return an array with configuration values for the settings form.
+     *
+     * Example return value:
+     * array(
+     *      "success" => true,
+     *      "metaData" => array(
+     *          "fields" => $this->formFields,
+     *          "formConfig" => $this->formConfig
+     *      ),
+     *      "data" => array( // here we can specify the default values.
+     *          "server_address" => "files.demo.com",
+     *          "server_port" => "80",
+     *          "server_path" => "/remote.php/webdav"
+     *      ),
+     * )
+     *
+     * @return array
+     */
+    abstract public function getFormConfig();
+
+    /**
+     * This function will return an array with configuration values for the settings form.
+     * The returned value will also contain the data values for each form field.
+     *
+     * Example return value:
+     * array(
+     *      "success" => true,
+     *      "metaData" => array(
+     *          "fields" => $this->formFields,
+     *          "formConfig" => $this->formConfig
+     *      ),
+     *      "data" => array( // here we can specify the default values.
+     *          "server_address" => "files.demo.com",
+     *          "server_port" => "80",
+     *          "server_path" => "/remote.php/webdav"
+     *      ),
+     * )
+     *
+     * @return array
+     */
+    abstract public function getFormConfigWithData();
+
+    /**
+     * Returns a brief the description of the backend.
+     *
+     * @return string
+     */
+    public function getDescription()
+    {
+        return $this->backendDescription;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDisplayName()
+    {
+        return $this->backendDisplayName;
+    }
+
+
+    /**
+     * Returns the version/revision of the backend.
+     *
+     * @return string
+     */
+    public function getBackendVersion()
+    {
+        return $this->backendVersion;
+    }
+
+    /**
+     * Check if the given feature is supported by this backend.
+     *
+     * @param string $feature feature name. e.g. Quota or VersionInfo
+     *
+     * @return bool
+     */
+    public function supports($feature)
+    {
+        $features = $this->getAvailableFeatures();
+
+        return in_array($feature, $features);
+    }
+
+    /**
+     * Returns all available features and their values.
+     *
+     * @return array
+     */
+    public function getAvailableFeatures()
+    {
+        $interfaces = class_implements(get_class($this));
+        $features = array();
+
+        // remove namespace and interface prefix
+        foreach ($interfaces as $interface) {
+            $features[] = str_replace("Files\\Backend\\iFeature", "", $interface);
+        }
+
+        return $features;
+    }
+
+    /**
+     * This function gets called before the backend-account is deleted.
+     *
+     * @param $account
+     */
+    public function beforeDeleteAccount($account)
+    {
+        // do nothing by default
+    }
+
+    /**
+     * @return string
+     */
+    public function getAccountID()
+    {
+        return $this->accountID;
+    }
+
+    /**
+     * @param string $accountID
+     */
+    public function setAccountID($accountID)
+    {
+        $this->accountID = $accountID;
+    }
 }

plugins/files/php/Files/Backend/interface.quota.php

Indentation +2 added lines, -2 removed lines

@@ -3,7 +3,7 @@
 
 interface iFeatureQuota
 {
-	public function getQuotaBytesUsed($dir);
+    public function getQuotaBytesUsed($dir);
 
-	public function getQuotaBytesAvailable($dir);
+    public function getQuotaBytesAvailable($dir);
 }
\ No newline at end of file

plugins/files/php/Files/Backend/class.exception.php

Indentation +40 added lines, -40 removed lines

@@ -10,48 +10,48 @@
 
 class Exception extends \Exception
 {	
-	/**
-	 * The exception title to show as a message box title at client side.
-	 */
-	public $title = null;
+    /**
+     * The exception title to show as a message box title at client side.
+     */
+    public $title = null;
 
-	/**
-	 * @constructor
-	 *
-	 * @param string $message The error message
-	 * @param int $code The error code
-	 */
-	public function __construct($message, $code = 0)
-	{
-		parent::__construct($message, $code);
-	}
+    /**
+     * @constructor
+     *
+     * @param string $message The error message
+     * @param int $code The error code
+     */
+    public function __construct($message, $code = 0)
+    {
+        parent::__construct($message, $code);
+    }
 
-	/**
-	 * Overrides the toString method.
-	 *
-	 * @return string Error code and message
-	 */
-	public function __toString()
-	{
-		return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
-	}
+    /**
+     * Overrides the toString method.
+     *
+     * @return string Error code and message
+     */
+    public function __toString()
+    {
+        return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
+    }
 	
-	/**
-	 * Function sets title of an exception that will be sent to the client side
-	 * to show it to user.
-	 * @param string $title title of an exception.
-	 */
-	public function setTitle($title)
-	{
-		$this->title = $title;
-	}
+    /**
+     * Function sets title of an exception that will be sent to the client side
+     * to show it to user.
+     * @param string $title title of an exception.
+     */
+    public function setTitle($title)
+    {
+        $this->title = $title;
+    }
 	
-	/**
-	 * @return string returns title that should be sent to client to display as a message box
-	 * title.
-	 */
-	public function getTitle()
-	{
-		return $this->title;
-	}
+    /**
+     * @return string returns title that should be sent to client to display as a message box
+     * title.
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
 }

plugins/files/php/Files/Backend/Webdav/cssloader.php

Indentation +25 added lines, -25 removed lines

@@ -7,32 +7,32 @@
 
 class BackendCSSLoader extends AbstractCSSLoader
 {
-	function __construct()
-	{
-		$this->CSS_PATH = __DIR__ . "/css/";
-	}
+    function __construct()
+    {
+        $this->CSS_PATH = __DIR__ . "/css/";
+    }
 
-	/**
-	 * Returns a combined CSS String
-	 *
-	 * @param bool $debug
-	 * @return string
-	 */
-	public function get_combined_css($debug = false)
-	{
-		// Populate the list of directories to check against
-		if (($directoryHandle = opendir($this->CSS_PATH)) !== FALSE) {
-			while (($file = readdir($directoryHandle)) !== false) {
-				// Make sure we're not dealing with a folder or a link to the parent directory
-				if (is_dir($this->CSS_PATH . $file) || ($file == '.' || $file == '..') === true) {
-					continue;
-				}
+    /**
+     * Returns a combined CSS String
+     *
+     * @param bool $debug
+     * @return string
+     */
+    public function get_combined_css($debug = false)
+    {
+        // Populate the list of directories to check against
+        if (($directoryHandle = opendir($this->CSS_PATH)) !== FALSE) {
+            while (($file = readdir($directoryHandle)) !== false) {
+                // Make sure we're not dealing with a folder or a link to the parent directory
+                if (is_dir($this->CSS_PATH . $file) || ($file == '.' || $file == '..') === true) {
+                    continue;
+                }
 
-				// Add file content to our buffer
-				$this->cssBuffer .= file_get_contents($this->CSS_PATH . $file);
-			}
-		}
+                // Add file content to our buffer
+                $this->cssBuffer .= file_get_contents($this->CSS_PATH . $file);
+            }
+        }
 
-		return $this->cssBuffer;
-	}
+        return $this->cssBuffer;
+    }
 }
\ No newline at end of file

plugins/files/php/Files/Backend/Webdav/class.backend.php

Indentation +1079 added lines, -1079 removed lines

@@ -23,1083 +23,1083 @@
  */
 class Backend extends AbstractBackend implements iFeatureQuota, iFeatureVersionInfo
 {
-	/**
-	 * Error codes
-	 * see @parseErrorCodeToMessage for description
-	 */
-	const WD_ERR_UNAUTHORIZED = 401;
-	const WD_ERR_FORBIDDEN = 403;
-	const WD_ERR_NOTFOUND = 404;
-	const WD_ERR_NOTALLOWED = 405;
-	const WD_ERR_TIMEOUT = 408;
-	const WD_ERR_LOCKED = 423;
-	const WD_ERR_FAILED_DEPENDENCY = 423;
-	const WD_ERR_INTERNAL = 500;
-	const WD_ERR_UNREACHABLE = 800;
-	const WD_ERR_TMP = 801;
-	const WD_ERR_FEATURES = 802;
-	const WD_ERR_NO_CURL = 803;
-
-	/**
-	 * Configuration data for the extjs metaform.
-	 */
-	protected $formConfig;
-	protected $formFields;
-	protected $metaConfig;
-
-	/**
-	 * @var boolean debugging flag, if true, debugging is enabled
-	 */
-	var $debug = false;
-
-	/**
-	 * @var int webdav server port
-	 */
-	var $port = 80;
-
-	/**
-	 * @var string hostname or ip
-	 */
-	var $server = "localhost";
-
-	/**
-	 * @var string global path prefix for all requests
-	 */
-	var $path = "/webdav.php";
-
-	/**
-	 * @var boolean if true, ssl is used
-	 */
-	var $ssl = false;
-
-	/**
-	 * @var boolean allow self signed certificates
-	 */
-	var $allowselfsigned = true;
-
-	/**
-	 * @var string the username
-	 */
-	var $user = "";
-
-	/**
-	 * @var string the password
-	 */
-	var $pass = "";
-
-	/**
-	 * @var FilesWebDavClient the SabreDAV client object.
-	 */
-	var $sabre_client;
-
-	/**
-	 * @constructor
-	 */
-	function __construct()
-	{
-
-		// initialization
-		$this->debug = PLUGIN_FILESBROWSER_LOGLEVEL === "DEBUG" ? true : false;
-
-		$this->init_form();
-
-		// set backend description
-		$this->backendDescription = _("With this backend, you can connect to any WebDAV server.");
-
-		// set backend display name
-		$this->backendDisplayName = "Webdav";
-
-		// set backend version
-		// TODO: this should be changed on every release
-		$this->backendVersion = "3.0";
-
-		// Backend name used in translations
-		$this->backendTransName = _('Files WebDAV Backend: ');
-	}
-
-	/**
-	 * Initialise form fields
-	 */
-	private function init_form()
-	{
-		$this->formConfig = array(
-			"labelAlign" => "left",
-			"columnCount" => 1,
-			"labelWidth" => 80,
-			"defaults" => array(
-				"width" => 292
-			)
-		);
-
-		$this->formFields = array(
-			array(
-				"name" => "server_address",
-				"fieldLabel" => _('Server address'),
-				"editor" => array(
-					"allowBlank" => false
-				)
-			),
-			array(
-				"name" => "server_port",
-				"fieldLabel" => _('Server port'),
-				"editor" => array(
-					"ref" => "../../portField",
-					"allowBlank" => false
-				)
-			),
-			array(
-				"name" => "server_ssl",
-				"fieldLabel" => _('Use SSL'),
-				"editor" => array(
-					"xtype" => "checkbox",
-					"listeners" => array(
-						"check" => "Zarafa.plugins.files.data.Actions.onCheckSSL" // this javascript function will be called!
-					)
-				)
-			),
-			array(
-				"name" => "server_path",
-				"fieldLabel" => _('Webdav base path'),
-				"editor" => array(
-				)
-			),
-			array(
-				"name" => "user",
-				"fieldLabel" => _('Username'),
-				"editor" => array(
-					"ref" => "../../usernameField"
-				)
-			),
-			array(
-				"name" => "password",
-				"fieldLabel" => _('Password'),
-				"editor" => array(
-					"ref" => "../../passwordField",
-					"inputType" => "password"
-				)
-			),
-			array(
-				"name" => "use_grommunio_credentials",
-				"fieldLabel" => _('Use grommunio credentials'),
-				"editor" => array(
-					"xtype" => "checkbox",
-					"listeners" => array(
-						"check" => "Zarafa.plugins.files.data.Actions.onCheckCredentials" // this javascript function will be called!
-					)
-				)
-			),
-		);
-
-		$this->metaConfig = array(
-			"success" => true,
-			"metaData" => array(
-				"fields" => $this->formFields,
-				"formConfig" => $this->formConfig
-			),
-			"data" => array( // here we can specify the default values.
-				"server_address" => "files.demo.com",
-				"server_port" => "80",
-				"server_path" => "/remote.php/webdav"
-			)
-		);
-	}
-
-	/**
-	 * Initialize backend from $backend_config array
-	 * @param $backend_config
-	 */
-	public function init_backend($backend_config)
-	{
-		$this->set_server($backend_config["server_address"]);
-		$this->set_port($backend_config["server_port"]);
-		$this->set_base($backend_config["server_path"]);
-		$this->set_ssl($backend_config["server_ssl"]);
-
-		// set user and password
-		if ($backend_config["use_grommunio_credentials"] === FALSE) {
-			$this->set_user($backend_config["user"]);
-			$this->set_pass($backend_config["password"]);
-		} else {
-			// For backward compatibility we will check if the Encryption store exists. If not,
-			// we will fall back to the old way of retrieving the password from the session.
-			if ( class_exists('EncryptionStore') ) {
-				// Get the username and password from the Encryption store
-				$encryptionStore = \EncryptionStore::getInstance();
-				$this->set_user($encryptionStore->get('username'));
-				$this->set_pass($encryptionStore->get('password'));
-			} else {
-				$this->set_user($GLOBALS['mapisession']->getUserName());
-				$password = $_SESSION['password'];
-				if(function_exists('openssl_decrypt')) {
-					$this->set_pass(openssl_decrypt($password, "des-ede3-cbc", PASSWORD_KEY, 0, PASSWORD_IV));
-				}
-			}
-		}
-	}
-
-	/**
-	 * Set webdav server. FQN or IP address.
-	 *
-	 * @param string $server hostname or ip of the ftp server
-	 *
-	 * @return void
-	 */
-	public function set_server($server)
-	{
-		$this->server = $server;
-	}
-
-	/**
-	 * Set base path
-	 *
-	 * @param string $pp the global path prefix
-	 *
-	 * @return void
-	 */
-	public function set_base($pp)
-	{
-		$this->path = $pp;
-		$this->log('Base path set to ' . $this->path);
-	}
-
-	/**
-	 * Set ssl
-	 *
-	 * @param int /bool $ssl (1 = true, 0 = false)
-	 *
-	 * @return void
-	 */
-	public function set_ssl($ssl)
-	{
-		$this->ssl = $ssl ? true : false;
-		$this->log('SSL extension was set to ' . $this->ssl);
-	}
-
-	/**
-	 * Allow self signed certificates - unimplemented
-	 *
-	 * @param bool $allowselfsigned Allow self signed certificates. Not yet implemented.
-	 *
-	 * @return void
-	 */
-	public function set_selfsigned($allowselfsigned)
-	{
-		$this->allowselfsigned = $allowselfsigned;
-	}
-
-	/**
-	 * Set tcp port of webdav server. Default is 80.
-	 *
-	 * @param int $port the port of the ftp server
-	 *
-	 * @return void
-	 */
-	public function set_port($port)
-	{
-		$this->port = $port;
-	}
-
-	/**
-	 * set user name for authentication
-	 *
-	 * @param string $user username
-	 *
-	 * @return void
-	 */
-	public function set_user($user)
-	{
-		$this->user = $user;
-	}
-
-	/**
-	 * Set password for authentication
-	 *
-	 * @param string $pass password
-	 *
-	 * @return void
-	 */
-	public function set_pass($pass)
-	{
-		$this->pass = $pass;
-	}
-
-	/**
-	 * set debug on (1) or off (0).
-	 * produces a lot of debug messages in webservers error log if set to on (1).
-	 *
-	 * @param boolean $debug enable or disable debugging
-	 *
-	 * @return void
-	 */
-	public function set_debug($debug)
-	{
-		$this->debug = $debug;
-	}
-
-	/**
-	 * Opens the connection to the webdav server.
-	 *
-	 * @throws BackendException if connection is not successful
-	 * @return boolean true if action succeeded
-	 */
-	public function open()
-	{
-
-		// check if curl is available
-		$serverHasCurl = function_exists('curl_version');
-		if (!$serverHasCurl) {
-			$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_NO_CURL), 500);
-			$e->setTitle($this->backendTransName . _('PHP-CURL is not installed'));
-			throw $e;
-		}
-
-		$davsettings = array(
-			'baseUri' => $this->webdavUrl(),
-			'userName' => $this->user,
-			'password' => $this->pass,
-			'authType' => \Sabre\DAV\Client::AUTH_BASIC,
-		);
-
-		try {
-			$this->sabre_client = new FilesWebDavClient($davsettings);
-			$this->sabre_client->addCurlSetting(CURLOPT_SSL_VERIFYPEER, !$this->allowselfsigned);
-
-			return true;
-		} catch (Exception $e) {
-			$this->log('Failed to open: ' . $e->getMessage());
-			if (intval($e->getHTTPCode()) == 401) {
-				$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_UNAUTHORIZED), $e->getHTTPCode());
-				$e->setTitle($this->backendTransName . _('Access denied'));
-				throw $e;
-			} else {
-				$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_UNREACHABLE), $e->getHTTPCode());
-				$e->setTitle($this->backendTransName . _('Connection failed'));
-				throw $e;
-			}
-		}
-	}
-
-	/**
-	 * show content of a directory
-	 *
-	 * @param string $path directory path
-	 * @param boolean $hidefirst Optional parameter to hide the root entry. Default true
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return mixed array with directory content
-	 */
-	public function ls($dir, $hidefirst = true)
-	{
-		$time_start = microtime(true);
-		$dir = $this->removeSlash($dir);
-		$lsdata = array();
-		$this->log("[LS] start for dir: $dir");
-		try {
-			$response = $this->sabre_client->propFind($dir, array(
-				'{http://owncloud.org/ns}fileid',
-				'{DAV:}resourcetype',
-				'{DAV:}getcontentlength',
-				'{DAV:}getlastmodified',
-				'{DAV:}getcontenttype',
-				'{DAV:}quota-used-bytes',
-				'{DAV:}quota-available-bytes',
-			), 1);
-			$this->log("[LS] backend fetched in: " . (microtime(true) - $time_start) . " seconds.");
-
-			foreach ($response as $name => $fields) {
-
-				if ($hidefirst) {
-					$hidefirst = false; // skip the first line - its the requested dir itself
-					continue;
-				}
-
-				$name = substr($name, strlen($this->path)); // skip the webdav path
-				$name = urldecode($name);
-
-				// Always fallback to a file resourceType
-				$type = "file";
-				if (isset($fields['{DAV:}resourcetype'])) {
-					$value = $fields['{DAV:}resourcetype']->getValue();
-					if (!empty($value) && $value[0] === "{DAV:}collection") {
-						$type = "collection";
-					}
-				}
-
-				$lsdata[$name] = array(
-					"fileid" => isset($fields["{http://owncloud.org/ns}fileid"]) ? $fields["{http://owncloud.org/ns}fileid"] : '-1',
-					"resourcetype" => $type,
-					"getcontentlength" => isset($fields["{DAV:}getcontentlength"]) ? $fields["{DAV:}getcontentlength"] : null,
-					"getlastmodified" => isset($fields["{DAV:}getlastmodified"]) ? $fields["{DAV:}getlastmodified"] : null,
-					"getcontenttype" => isset($fields["{DAV:}getcontenttype"]) ? $fields["{DAV:}getcontenttype"] : null,
-					"quota-used-bytes" => isset($fields["{DAV:}quota-used-bytes"]) ? $fields["{DAV:}quota-used-bytes"] : null,
-					"quota-available-bytes" => isset($fields["{DAV:}quota-available-bytes"]) ? $fields["{DAV:}quota-available-bytes"] : null,
-				);
-			}
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[LS] done in $time seconds");
-
-			return $lsdata;
-
-		} catch (ClientException $e) {
-			$this->log('ls sabre ClientException: ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('ls general exception: ' . $e->getMessage() . " [" . $e->getHTTPCode() .  "]");
-			// THIS IS A FIX FOR OWNCLOUD - It does return 500 instead of 401...
-			$err_code = $e->getHTTPCode();
-			// check if code is 500 - then we should try to parse the error message
-			if($err_code === 500) {
-				// message example: HTTP-Code: 401
-				$regx = '/[0-9]{3}/';
-				if(preg_match($regx, $e->getMessage(), $found)) {
-					$err_code = $found[0];
-				}
-			}
-			$e = new BackendException($this->parseErrorCodeToMessage($err_code), $err_code);
-			$e->setTitle($this->backendTransName . _('Connection failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * create a new directory
-	 *
-	 * @param string $dir directory path
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function mkcol($dir)
-	{
-		$time_start = microtime(true);
-		$dir = $this->removeSlash($dir);
-		$this->log("[MKCOL] start for dir: $dir");
-		try {
-			$response = $this->sabre_client->request("MKCOL", $dir, null);
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[MKCOL] done in $time seconds: " . $response['statusCode']);
-
-			return true;
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[MKCOL] fatal: ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('Directory creation failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * delete a file or directory
-	 *
-	 * @param string $path file/directory path
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function delete($path)
-	{
-		$time_start = microtime(true);
-		$path = $this->removeSlash($path);
-		$this->log("[DELETE] start for dir: $path");
-		try {
-			$response = $this->sabre_client->request("DELETE", $path, null);
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[DELETE] done in $time seconds: " . $response['statusCode']);
-
-			return true;
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[DELETE] fatal: ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('Deletion failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Move a file or collection on webdav server (serverside)
-	 * If you set param overwrite as true, the target will be overwritten.
-	 *
-	 * @param string $src_path Source path
-	 * @param string $dest_path Destination path
-	 * @param boolean $overwrite Overwrite file if exists in $dest_path
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function move($src_path, $dst_path, $overwrite = false)
-	{
-		$time_start = microtime(true);
-		$src_path = $this->removeSlash($src_path);
-		$dst_path = $this->webdavUrl() . $this->removeSlash($dst_path);
-		$this->log("[MOVE] start for dir: $src_path -> $dst_path");
-		if ($overwrite) {
-			$overwrite = 'T';
-		} else {
-			$overwrite = 'F';
-		}
-
-		try {
-			$response = $this->sabre_client->request("MOVE", $src_path, null, array("Destination" => $dst_path, 'Overwrite' => $overwrite));
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[MOVE] done in $time seconds: " . $response['statusCode']);
-			return true;
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[MOVE] fatal: ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('Moving failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Puts a file into a collection.
-	 *
-	 * @param string $path Destination path
-	 *
-	 * @string mixed $data Any kind of data
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function put($path, $data)
-	{
-		$time_start = microtime(true);
-		$path = $this->removeSlash($path);
-		$this->log("[PUT] start for dir: $path strlen: " . strlen($data));
-		try {
-			$response = $this->sabre_client->request("PUT", $path, $data);
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[PUT] done in $time seconds: " . $response['statusCode']);
-			return true;
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[PUT] fatal: ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('Connection failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Upload a local file
-	 *
-	 * @param string $path Destination path on the server
-	 * @param string $filename Local filename for the file that should be uploaded
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function put_file($path, $filename)
-	{
-		$buffer = file_get_contents($filename);
-
-		if ($buffer !== false) {
-			return $this->put($path, $buffer);
-		} else {
-			$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_TMP), self::WD_ERR_TMP);
-			$e->setTitle($this->backendTransName . _('Temporary directory problems'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Gets a file from a webdav collection.
-	 *
-	 * @param string $path The source path on the server
-	 * @param mixed $buffer Buffer for the received data
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function get($path, &$buffer)
-	{
-		$tmpfile = tempnam(TMP_PATH, stripslashes(base64_encode($path)));
-
-		$this->log("[GET] buffer path: $tmpfile");
-		$this->get_file($path, $tmpfile);
-
-		$buffer = file_get_contents($tmpfile);
-		unlink($tmpfile);
-	}
-
-	/**
-	 * Gets a file from a collection into local filesystem.
-	 *
-	 * @param string $srcpath Source path on server
-	 * @param string $localpath Destination path on local filesystem
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function get_file($srcpath, $localpath)
-	{
-		$time_start = microtime(true);
-		$path = $this->removeSlash($srcpath);
-		$this->log("[GET_FILE] start for dir: $path");
-		$this->log("[GET_FILE] local path (" . $localpath . ") writeable: " . is_writable($localpath));
-		try {
-			$response = $this->sabre_client->getFile($path, $localpath);
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[GET_FILE] done in $time seconds: " . $response['statusCode']);
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[GET_FILE] - FATAL -' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('File or folder not found'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Public method copy_file
-	 *
-	 * Copy a file on webdav server
-	 * Duplicates a file on the webdav server (serverside).
-	 * All work is done on the webdav server. If you set param overwrite as true,
-	 * the target will be overwritten.
-	 *
-	 * @param string $src_path Source path
-	 * @param string $dest_path Destination path
-	 * @param bool $overwrite Overwrite if file exists in $dst_path
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function copy_file($src_path, $dst_path, $overwrite = false)
-	{
-		return $this->copy($src_path, $dst_path, $overwrite, false);
-	}
-
-	/**
-	 * Public method copy_coll
-	 *
-	 * Copy a collection on webdav server
-	 * Duplicates a collection on the webdav server (serverside).
-	 * All work is done on the webdav server. If you set param overwrite as true,
-	 * the target will be overwritten.
-	 *
-	 * @param string $src_path Source path
-	 * @param string $dest_path Destination path
-	 * @param bool $overwrite Overwrite if collection exists in $dst_path
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	public function copy_coll($src_path, $dst_path, $overwrite = false)
-	{
-		return $this->copy($src_path, $dst_path, $overwrite, true);
-	}
-
-	/**
-	 * Gets path information from webdav server for one element
-	 *
-	 * @param string $path Path to file or folder
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return array directory info
-	 */
-	public function gpi($path)
-	{
-		$path = $this->removeSlash($path);
-		$response = $this->sabre_client->propFind($path, array(
-			'{http://owncloud.org/ns}fileid',
-			'{DAV:}resourcetype',
-			'{DAV:}getcontentlength',
-			'{DAV:}getlastmodified',
-			'{DAV:}getcontenttype',
-			'{DAV:}quota-used-bytes',
-			'{DAV:}quota-available-bytes',
-		));
-
-		$type = $response["{DAV:}resourcetype"]->resourceType;
-		if (is_array($type) && !empty($type)) {
-			$type = $type[0] == "{DAV:}collection" ? "collection" : "file";
-		} else {
-			$type = "file"; // fall back to file if detection fails... less harmful
-		}
-
-		$gpi = array(
-			"fileid" => isset($response["{http://owncloud.org/ns}fileid"]) ? $response["{http://owncloud.org/ns}fileid"] : '-1',
-			"resourcetype" => $type,
-			"getcontentlength" => isset($response["{DAV:}getcontentlength"]) ? $response["{DAV:}getcontentlength"] : null,
-			"getlastmodified" => isset($response["{DAV:}getlastmodified"]) ? $response["{DAV:}getlastmodified"] : null,
-			"getcontenttype" => isset($response["{DAV:}getcontenttype"]) ? $response["{DAV:}getcontenttype"] : null,
-			"quota-used-bytes" => isset($response["{DAV:}quota-used-bytes"]) ? $response["{DAV:}quota-used-bytes"] : null,
-			"quota-available-bytes" => isset($response["{DAV:}quota-available-bytes"]) ? $response["{DAV:}quota-available-bytes"] : null,
-		);
-
-		return $gpi;
-	}
-
-	/**
-	 * Gets server information
-	 *
-	 * @throws BackendException if request is not successful
-	 * @return array with all header fields returned from webdav server.
-	 */
-	public function options()
-	{
-		$features = $this->sabre_client->options();
-
-		// be sure it is an array
-		if (is_array($features)) {
-			return $features;
-		}
-
-		$this->log('[OPTIONS] - ERROR - Error getting server features');
-		$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_FEATURES), self::WD_ERR_FEATURES);
-		$e->setTitle($this->backendTransName . _('Not implemented'));
-		throw $e;
-	}
-
-	/**
-	 * Gather whether a path points to a file or not
-	 *
-	 * @param string $path Path to file or folder
-	 *
-	 * @return boolean true if path points to a file, false otherwise
-	 */
-	public function is_file($path)
-	{
-		$item = $this->gpi($path);
-
-		return $item === false ? false : ($item['resourcetype'] != 'collection');
-	}
-
-	/**
-	 * Gather whether a path points to a directory
-	 *
-	 * @param string $path Path to file or folder
-	 *
-	 * @return boolean true if path points to a directory, false otherwise
-	 */
-	public function is_dir($path)
-	{
-		$item = $this->gpi($path);
-
-		return $item === false ? false : ($item['resourcetype'] == 'collection');
-	}
-
-	/**
-	 * check if file/directory exists
-	 *
-	 * @param string $path Path to file or folder
-	 *
-	 * @return boolean true if path exists, false otherwise
-	 */
-	public function exists($path)
-	{
-		return ($this->is_dir($path) || $this->is_file($path));
-	}
-
-	/**
-	 * Copy a collection on webdav server
-	 * Duplicates a collection on the webdav server (serverside).
-	 * All work is done on the webdav server. If you set param overwrite as true,
-	 * the target will be overwritten.
-	 *
-	 * @access private
-	 *
-	 * @param string $src_path Source path
-	 * @param string $dest_path Destination path
-	 * @param bool $overwrite Overwrite if collection exists in $dst_path
-	 * @param bool $coll Set this to true if you want to copy a folder.
-	 *
-	 * @throws BackendException if request is not successful
-	 *
-	 * @return boolean true if action succeeded
-	 */
-	private function copy($src_path, $dst_path, $overwrite, $coll)
-	{
-		$time_start = microtime(true);
-		$src_path = $this->removeSlash($src_path);
-		$dst_path = $this->webdavUrl() . $this->removeSlash($dst_path);
-		$this->log("[COPY] start for dir: $src_path -> $dst_path");
-		if ($overwrite) {
-			$overwrite = 'T';
-		} else {
-			$overwrite = 'F';
-		}
-
-		array("Destination" => $dst_path, 'Overwrite' => $overwrite);
-		if ($coll) {
-			$settings = array("Destination" => $dst_path, 'Depth' => 'Infinity');
-		}
-
-		try {
-			$response = $this->sabre_client->request("COPY", $src_path, null, $settings);
-			$time_end = microtime(true);
-			$time = $time_end - $time_start;
-			$this->log("[COPY] done in $time seconds: " . $response['statusCode']);
-			return true;
-		} catch (ClientException $e) {
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
-			$e->setTitle($this->backendTransName . _('Sabre error'));
-			throw $e;
-		} catch (Exception $e) {
-			$this->log('[COPY] - FATAL - ' . $e->getMessage());
-			$e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
-			$e->setTitle($this->backendTransName . _('Copying failed'));
-			throw $e;
-		}
-	}
-
-	/**
-	 * Create the base webdav url
-	 *
-	 * @access protected
-	 * @return string baseURL
-	 */
-	protected function webdavUrl()
-	{
-		if ($this->ssl) {
-			$url = "https://";
-		} else {
-			$url = "http://";
-		}
-
-		// make sure that we do not have any trailing / in our url
-		$server = rtrim($this->server, '/');
-		$path = rtrim($this->path, '/');
-
-		$url .= $server . ":" . $this->port . $path . "/";
-
-		return $url;
-	}
-
-	/**
-	 * Removes the leading slash from the folder path
-	 *
-	 * @access private
-	 *
-	 * @param string $dir directory path
-	 *
-	 * @return string trimmed directory path
-	 */
-	function removeSlash($dir)
-	{
-		if (strpos($dir, '/') === 0) {
-			$dir = substr($dir, 1);
-		}
-
-		// remove all html entities and urlencode the path...
-		$nohtml = html_entity_decode($dir);
-		$dir = implode("/", array_map("rawurlencode", explode("/", $nohtml)));
-
-		return $dir;
-	}
-
-	/**
-	 * This function will return a user friendly error string.
-	 *
-	 * @param number $error_code A error code
-	 *
-	 * @return string userfriendly error message
-	 */
-	private function parseErrorCodeToMessage($error_code)
-	{
-		$error = intval($error_code);
-
-		$msg = _('Unknown error');
-		$contactAdmin = _('Please contact your system administrator');
-
-		switch ($error) {
-			case CURLE_BAD_PASSWORD_ENTERED:
-			case self::WD_ERR_UNAUTHORIZED:
-				$msg = _('Unauthorized. Wrong username or password.');
-				break;
-			case CURLE_SSL_CONNECT_ERROR:
-			case CURLE_COULDNT_RESOLVE_HOST:
-			case CURLE_COULDNT_CONNECT:
-			case CURLE_OPERATION_TIMEOUTED:
-			case self::WD_ERR_UNREACHABLE:
-				$msg = _('File server is not reachable. Please verify the connection.');
-				break;
-			case self::WD_ERR_NOTALLOWED:
-				$msg = _('File server is not reachable. Please verify the file server URL.');
-				break;
-			case self::WD_ERR_FORBIDDEN:
-				$msg = _('You don\'t have enough permissions to view this file or folder.');
-				break;
-			case self::WD_ERR_NOTFOUND:
-				$msg = _('The file or folder is not available anymore.');
-				break;
-			case self::WD_ERR_TIMEOUT:
-				$msg = _('Connection to the file server timed out. Please check again later.');
-				break;
-			case self::WD_ERR_LOCKED:
-				$msg = _('This file is locked by another user. Please try again later.');
-				break;
-			case self::WD_ERR_FAILED_DEPENDENCY:
-				$msg = _('The request failed.') . ' ' . $contactAdmin;
-				break;
-			case self::WD_ERR_INTERNAL:
-				// This is a general error, might be thrown due to a wrong IP, but we don't know.
-				$msg = _('The file server encountered an internal problem.') . ' ' . $contactAdmin;
-				break;
-			case self::WD_ERR_TMP:
-				$msg = _('We could not write to temporary directory.') . ' ' . $contactAdmin;
-				break;
-			case self::WD_ERR_FEATURES:
-				$msg = _('We could not retrieve list of server features.') . ' ' . $contactAdmin;
-				break;
-			case self::WD_ERR_NO_CURL:
-				$msg = _('PHP-Curl is not available.') . ' ' . $contactAdmin;
-				break;
-		}
-
-		return $msg;
-	}
-
-	public function getFormConfig()
-	{
-		$json = json_encode($this->metaConfig);
-
-		if ($json === FALSE) {
-			error_log(json_last_error());
-		}
-
-		return $json;
-	}
-
-	public function getFormConfigWithData()
-	{
-		return json_encode($this->metaConfig);
-	}
-
-	/**
-	 * a simple php error_log wrapper.
-	 *
-	 * @access private
-	 *
-	 * @param string $err_string error message
-	 *
-	 * @return void
-	 */
-	private function log($err_string)
-	{
-		if ($this->debug) {
-			error_log("[BACKEND_WEBDAV]: " . $err_string);
-		}
-	}
-
-	/**
-	 * ============================ FEATURE FUNCTIONS ========================
-	 */
-
-	/**
-	 * Returns the bytes that are currently used.
-	 *
-	 * @param string $dir directory to check
-	 *
-	 * @return int bytes that are used or -1 on error
-	 */
-	public function getQuotaBytesUsed($dir)
-	{
-		$lsdata = $this->ls($dir, false);
-
-		if (isset($lsdata) && is_array($lsdata)) {
-			return $lsdata[$dir]["quota-used-bytes"];
-		} else {
-			return -1;
-		}
-	}
-
-	/**
-	 * Returns the bytes that are currently available.
-	 *
-	 * @param string $dir directory to check
-	 *
-	 * @return int bytes that are available or -1 on error
-	 */
-	public function getQuotaBytesAvailable($dir)
-	{
-		$lsdata = $this->ls($dir, false);
-
-		if (isset($lsdata) && is_array($lsdata)) {
-			return $lsdata[$dir]["quota-available-bytes"];
-		} else {
-			return -1;
-		}
-	}
-
-	/**
-	 * Return the version string of the server backend.
-	 * @return String
-	 * @throws BackendException
-	 */
-	public function getServerVersion()
-	{
-		// check if curl is available
-		$serverHasCurl = function_exists('curl_version');
-		if (!$serverHasCurl) {
-			$e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_NO_CURL), 500);
-			$e->setTitle($this->backendTransName . _('PHP-CURL not installed'));
-			throw $e;
-		}
-
-		$webdavurl = $this->webdavUrl();
-
-		$url = substr($webdavurl, 0, strlen($webdavurl) - strlen("remote.php/webdav/")) . "status.php";
-
-		// try to get the contents of the owncloud status page
-		$ch = curl_init();
-		curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
-		curl_setopt($ch, CURLOPT_TIMEOUT, 3); // timeout of 3 seconds
-		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-		curl_setopt($ch, CURLOPT_URL, $url);
-		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
-		if ($this->allowselfsigned) {
-			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
-			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
-		}
-		$versiondata = curl_exec($ch);
-		$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-		curl_close($ch);
-
-		if ($httpcode && $httpcode == "200" && $versiondata) {
-			$versions = json_decode($versiondata);
-			$version = $versions->versionstring;
-		} else {
-			$version = "Undetected (no Owncloud?)";
-		}
-
-		return $version;
-	}
+    /**
+     * Error codes
+     * see @parseErrorCodeToMessage for description
+     */
+    const WD_ERR_UNAUTHORIZED = 401;
+    const WD_ERR_FORBIDDEN = 403;
+    const WD_ERR_NOTFOUND = 404;
+    const WD_ERR_NOTALLOWED = 405;
+    const WD_ERR_TIMEOUT = 408;
+    const WD_ERR_LOCKED = 423;
+    const WD_ERR_FAILED_DEPENDENCY = 423;
+    const WD_ERR_INTERNAL = 500;
+    const WD_ERR_UNREACHABLE = 800;
+    const WD_ERR_TMP = 801;
+    const WD_ERR_FEATURES = 802;
+    const WD_ERR_NO_CURL = 803;
+
+    /**
+     * Configuration data for the extjs metaform.
+     */
+    protected $formConfig;
+    protected $formFields;
+    protected $metaConfig;
+
+    /**
+     * @var boolean debugging flag, if true, debugging is enabled
+     */
+    var $debug = false;
+
+    /**
+     * @var int webdav server port
+     */
+    var $port = 80;
+
+    /**
+     * @var string hostname or ip
+     */
+    var $server = "localhost";
+
+    /**
+     * @var string global path prefix for all requests
+     */
+    var $path = "/webdav.php";
+
+    /**
+     * @var boolean if true, ssl is used
+     */
+    var $ssl = false;
+
+    /**
+     * @var boolean allow self signed certificates
+     */
+    var $allowselfsigned = true;
+
+    /**
+     * @var string the username
+     */
+    var $user = "";
+
+    /**
+     * @var string the password
+     */
+    var $pass = "";
+
+    /**
+     * @var FilesWebDavClient the SabreDAV client object.
+     */
+    var $sabre_client;
+
+    /**
+     * @constructor
+     */
+    function __construct()
+    {
+
+        // initialization
+        $this->debug = PLUGIN_FILESBROWSER_LOGLEVEL === "DEBUG" ? true : false;
+
+        $this->init_form();
+
+        // set backend description
+        $this->backendDescription = _("With this backend, you can connect to any WebDAV server.");
+
+        // set backend display name
+        $this->backendDisplayName = "Webdav";
+
+        // set backend version
+        // TODO: this should be changed on every release
+        $this->backendVersion = "3.0";
+
+        // Backend name used in translations
+        $this->backendTransName = _('Files WebDAV Backend: ');
+    }
+
+    /**
+     * Initialise form fields
+     */
+    private function init_form()
+    {
+        $this->formConfig = array(
+            "labelAlign" => "left",
+            "columnCount" => 1,
+            "labelWidth" => 80,
+            "defaults" => array(
+                "width" => 292
+            )
+        );
+
+        $this->formFields = array(
+            array(
+                "name" => "server_address",
+                "fieldLabel" => _('Server address'),
+                "editor" => array(
+                    "allowBlank" => false
+                )
+            ),
+            array(
+                "name" => "server_port",
+                "fieldLabel" => _('Server port'),
+                "editor" => array(
+                    "ref" => "../../portField",
+                    "allowBlank" => false
+                )
+            ),
+            array(
+                "name" => "server_ssl",
+                "fieldLabel" => _('Use SSL'),
+                "editor" => array(
+                    "xtype" => "checkbox",
+                    "listeners" => array(
+                        "check" => "Zarafa.plugins.files.data.Actions.onCheckSSL" // this javascript function will be called!
+                    )
+                )
+            ),
+            array(
+                "name" => "server_path",
+                "fieldLabel" => _('Webdav base path'),
+                "editor" => array(
+                )
+            ),
+            array(
+                "name" => "user",
+                "fieldLabel" => _('Username'),
+                "editor" => array(
+                    "ref" => "../../usernameField"
+                )
+            ),
+            array(
+                "name" => "password",
+                "fieldLabel" => _('Password'),
+                "editor" => array(
+                    "ref" => "../../passwordField",
+                    "inputType" => "password"
+                )
+            ),
+            array(
+                "name" => "use_grommunio_credentials",
+                "fieldLabel" => _('Use grommunio credentials'),
+                "editor" => array(
+                    "xtype" => "checkbox",
+                    "listeners" => array(
+                        "check" => "Zarafa.plugins.files.data.Actions.onCheckCredentials" // this javascript function will be called!
+                    )
+                )
+            ),
+        );
+
+        $this->metaConfig = array(
+            "success" => true,
+            "metaData" => array(
+                "fields" => $this->formFields,
+                "formConfig" => $this->formConfig
+            ),
+            "data" => array( // here we can specify the default values.
+                "server_address" => "files.demo.com",
+                "server_port" => "80",
+                "server_path" => "/remote.php/webdav"
+            )
+        );
+    }
+
+    /**
+     * Initialize backend from $backend_config array
+     * @param $backend_config
+     */
+    public function init_backend($backend_config)
+    {
+        $this->set_server($backend_config["server_address"]);
+        $this->set_port($backend_config["server_port"]);
+        $this->set_base($backend_config["server_path"]);
+        $this->set_ssl($backend_config["server_ssl"]);
+
+        // set user and password
+        if ($backend_config["use_grommunio_credentials"] === FALSE) {
+            $this->set_user($backend_config["user"]);
+            $this->set_pass($backend_config["password"]);
+        } else {
+            // For backward compatibility we will check if the Encryption store exists. If not,
+            // we will fall back to the old way of retrieving the password from the session.
+            if ( class_exists('EncryptionStore') ) {
+                // Get the username and password from the Encryption store
+                $encryptionStore = \EncryptionStore::getInstance();
+                $this->set_user($encryptionStore->get('username'));
+                $this->set_pass($encryptionStore->get('password'));
+            } else {
+                $this->set_user($GLOBALS['mapisession']->getUserName());
+                $password = $_SESSION['password'];
+                if(function_exists('openssl_decrypt')) {
+                    $this->set_pass(openssl_decrypt($password, "des-ede3-cbc", PASSWORD_KEY, 0, PASSWORD_IV));
+                }
+            }
+        }
+    }
+
+    /**
+     * Set webdav server. FQN or IP address.
+     *
+     * @param string $server hostname or ip of the ftp server
+     *
+     * @return void
+     */
+    public function set_server($server)
+    {
+        $this->server = $server;
+    }
+
+    /**
+     * Set base path
+     *
+     * @param string $pp the global path prefix
+     *
+     * @return void
+     */
+    public function set_base($pp)
+    {
+        $this->path = $pp;
+        $this->log('Base path set to ' . $this->path);
+    }
+
+    /**
+     * Set ssl
+     *
+     * @param int /bool $ssl (1 = true, 0 = false)
+     *
+     * @return void
+     */
+    public function set_ssl($ssl)
+    {
+        $this->ssl = $ssl ? true : false;
+        $this->log('SSL extension was set to ' . $this->ssl);
+    }
+
+    /**
+     * Allow self signed certificates - unimplemented
+     *
+     * @param bool $allowselfsigned Allow self signed certificates. Not yet implemented.
+     *
+     * @return void
+     */
+    public function set_selfsigned($allowselfsigned)
+    {
+        $this->allowselfsigned = $allowselfsigned;
+    }
+
+    /**
+     * Set tcp port of webdav server. Default is 80.
+     *
+     * @param int $port the port of the ftp server
+     *
+     * @return void
+     */
+    public function set_port($port)
+    {
+        $this->port = $port;
+    }
+
+    /**
+     * set user name for authentication
+     *
+     * @param string $user username
+     *
+     * @return void
+     */
+    public function set_user($user)
+    {
+        $this->user = $user;
+    }
+
+    /**
+     * Set password for authentication
+     *
+     * @param string $pass password
+     *
+     * @return void
+     */
+    public function set_pass($pass)
+    {
+        $this->pass = $pass;
+    }
+
+    /**
+     * set debug on (1) or off (0).
+     * produces a lot of debug messages in webservers error log if set to on (1).
+     *
+     * @param boolean $debug enable or disable debugging
+     *
+     * @return void
+     */
+    public function set_debug($debug)
+    {
+        $this->debug = $debug;
+    }
+
+    /**
+     * Opens the connection to the webdav server.
+     *
+     * @throws BackendException if connection is not successful
+     * @return boolean true if action succeeded
+     */
+    public function open()
+    {
+
+        // check if curl is available
+        $serverHasCurl = function_exists('curl_version');
+        if (!$serverHasCurl) {
+            $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_NO_CURL), 500);
+            $e->setTitle($this->backendTransName . _('PHP-CURL is not installed'));
+            throw $e;
+        }
+
+        $davsettings = array(
+            'baseUri' => $this->webdavUrl(),
+            'userName' => $this->user,
+            'password' => $this->pass,
+            'authType' => \Sabre\DAV\Client::AUTH_BASIC,
+        );
+
+        try {
+            $this->sabre_client = new FilesWebDavClient($davsettings);
+            $this->sabre_client->addCurlSetting(CURLOPT_SSL_VERIFYPEER, !$this->allowselfsigned);
+
+            return true;
+        } catch (Exception $e) {
+            $this->log('Failed to open: ' . $e->getMessage());
+            if (intval($e->getHTTPCode()) == 401) {
+                $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_UNAUTHORIZED), $e->getHTTPCode());
+                $e->setTitle($this->backendTransName . _('Access denied'));
+                throw $e;
+            } else {
+                $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_UNREACHABLE), $e->getHTTPCode());
+                $e->setTitle($this->backendTransName . _('Connection failed'));
+                throw $e;
+            }
+        }
+    }
+
+    /**
+     * show content of a directory
+     *
+     * @param string $path directory path
+     * @param boolean $hidefirst Optional parameter to hide the root entry. Default true
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return mixed array with directory content
+     */
+    public function ls($dir, $hidefirst = true)
+    {
+        $time_start = microtime(true);
+        $dir = $this->removeSlash($dir);
+        $lsdata = array();
+        $this->log("[LS] start for dir: $dir");
+        try {
+            $response = $this->sabre_client->propFind($dir, array(
+                '{http://owncloud.org/ns}fileid',
+                '{DAV:}resourcetype',
+                '{DAV:}getcontentlength',
+                '{DAV:}getlastmodified',
+                '{DAV:}getcontenttype',
+                '{DAV:}quota-used-bytes',
+                '{DAV:}quota-available-bytes',
+            ), 1);
+            $this->log("[LS] backend fetched in: " . (microtime(true) - $time_start) . " seconds.");
+
+            foreach ($response as $name => $fields) {
+
+                if ($hidefirst) {
+                    $hidefirst = false; // skip the first line - its the requested dir itself
+                    continue;
+                }
+
+                $name = substr($name, strlen($this->path)); // skip the webdav path
+                $name = urldecode($name);
+
+                // Always fallback to a file resourceType
+                $type = "file";
+                if (isset($fields['{DAV:}resourcetype'])) {
+                    $value = $fields['{DAV:}resourcetype']->getValue();
+                    if (!empty($value) && $value[0] === "{DAV:}collection") {
+                        $type = "collection";
+                    }
+                }
+
+                $lsdata[$name] = array(
+                    "fileid" => isset($fields["{http://owncloud.org/ns}fileid"]) ? $fields["{http://owncloud.org/ns}fileid"] : '-1',
+                    "resourcetype" => $type,
+                    "getcontentlength" => isset($fields["{DAV:}getcontentlength"]) ? $fields["{DAV:}getcontentlength"] : null,
+                    "getlastmodified" => isset($fields["{DAV:}getlastmodified"]) ? $fields["{DAV:}getlastmodified"] : null,
+                    "getcontenttype" => isset($fields["{DAV:}getcontenttype"]) ? $fields["{DAV:}getcontenttype"] : null,
+                    "quota-used-bytes" => isset($fields["{DAV:}quota-used-bytes"]) ? $fields["{DAV:}quota-used-bytes"] : null,
+                    "quota-available-bytes" => isset($fields["{DAV:}quota-available-bytes"]) ? $fields["{DAV:}quota-available-bytes"] : null,
+                );
+            }
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[LS] done in $time seconds");
+
+            return $lsdata;
+
+        } catch (ClientException $e) {
+            $this->log('ls sabre ClientException: ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('ls general exception: ' . $e->getMessage() . " [" . $e->getHTTPCode() .  "]");
+            // THIS IS A FIX FOR OWNCLOUD - It does return 500 instead of 401...
+            $err_code = $e->getHTTPCode();
+            // check if code is 500 - then we should try to parse the error message
+            if($err_code === 500) {
+                // message example: HTTP-Code: 401
+                $regx = '/[0-9]{3}/';
+                if(preg_match($regx, $e->getMessage(), $found)) {
+                    $err_code = $found[0];
+                }
+            }
+            $e = new BackendException($this->parseErrorCodeToMessage($err_code), $err_code);
+            $e->setTitle($this->backendTransName . _('Connection failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * create a new directory
+     *
+     * @param string $dir directory path
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function mkcol($dir)
+    {
+        $time_start = microtime(true);
+        $dir = $this->removeSlash($dir);
+        $this->log("[MKCOL] start for dir: $dir");
+        try {
+            $response = $this->sabre_client->request("MKCOL", $dir, null);
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[MKCOL] done in $time seconds: " . $response['statusCode']);
+
+            return true;
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[MKCOL] fatal: ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('Directory creation failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * delete a file or directory
+     *
+     * @param string $path file/directory path
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function delete($path)
+    {
+        $time_start = microtime(true);
+        $path = $this->removeSlash($path);
+        $this->log("[DELETE] start for dir: $path");
+        try {
+            $response = $this->sabre_client->request("DELETE", $path, null);
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[DELETE] done in $time seconds: " . $response['statusCode']);
+
+            return true;
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[DELETE] fatal: ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('Deletion failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Move a file or collection on webdav server (serverside)
+     * If you set param overwrite as true, the target will be overwritten.
+     *
+     * @param string $src_path Source path
+     * @param string $dest_path Destination path
+     * @param boolean $overwrite Overwrite file if exists in $dest_path
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function move($src_path, $dst_path, $overwrite = false)
+    {
+        $time_start = microtime(true);
+        $src_path = $this->removeSlash($src_path);
+        $dst_path = $this->webdavUrl() . $this->removeSlash($dst_path);
+        $this->log("[MOVE] start for dir: $src_path -> $dst_path");
+        if ($overwrite) {
+            $overwrite = 'T';
+        } else {
+            $overwrite = 'F';
+        }
+
+        try {
+            $response = $this->sabre_client->request("MOVE", $src_path, null, array("Destination" => $dst_path, 'Overwrite' => $overwrite));
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[MOVE] done in $time seconds: " . $response['statusCode']);
+            return true;
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[MOVE] fatal: ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('Moving failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Puts a file into a collection.
+     *
+     * @param string $path Destination path
+     *
+     * @string mixed $data Any kind of data
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function put($path, $data)
+    {
+        $time_start = microtime(true);
+        $path = $this->removeSlash($path);
+        $this->log("[PUT] start for dir: $path strlen: " . strlen($data));
+        try {
+            $response = $this->sabre_client->request("PUT", $path, $data);
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[PUT] done in $time seconds: " . $response['statusCode']);
+            return true;
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[PUT] fatal: ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('Connection failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Upload a local file
+     *
+     * @param string $path Destination path on the server
+     * @param string $filename Local filename for the file that should be uploaded
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function put_file($path, $filename)
+    {
+        $buffer = file_get_contents($filename);
+
+        if ($buffer !== false) {
+            return $this->put($path, $buffer);
+        } else {
+            $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_TMP), self::WD_ERR_TMP);
+            $e->setTitle($this->backendTransName . _('Temporary directory problems'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Gets a file from a webdav collection.
+     *
+     * @param string $path The source path on the server
+     * @param mixed $buffer Buffer for the received data
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function get($path, &$buffer)
+    {
+        $tmpfile = tempnam(TMP_PATH, stripslashes(base64_encode($path)));
+
+        $this->log("[GET] buffer path: $tmpfile");
+        $this->get_file($path, $tmpfile);
+
+        $buffer = file_get_contents($tmpfile);
+        unlink($tmpfile);
+    }
+
+    /**
+     * Gets a file from a collection into local filesystem.
+     *
+     * @param string $srcpath Source path on server
+     * @param string $localpath Destination path on local filesystem
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function get_file($srcpath, $localpath)
+    {
+        $time_start = microtime(true);
+        $path = $this->removeSlash($srcpath);
+        $this->log("[GET_FILE] start for dir: $path");
+        $this->log("[GET_FILE] local path (" . $localpath . ") writeable: " . is_writable($localpath));
+        try {
+            $response = $this->sabre_client->getFile($path, $localpath);
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[GET_FILE] done in $time seconds: " . $response['statusCode']);
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[GET_FILE] - FATAL -' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('File or folder not found'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Public method copy_file
+     *
+     * Copy a file on webdav server
+     * Duplicates a file on the webdav server (serverside).
+     * All work is done on the webdav server. If you set param overwrite as true,
+     * the target will be overwritten.
+     *
+     * @param string $src_path Source path
+     * @param string $dest_path Destination path
+     * @param bool $overwrite Overwrite if file exists in $dst_path
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function copy_file($src_path, $dst_path, $overwrite = false)
+    {
+        return $this->copy($src_path, $dst_path, $overwrite, false);
+    }
+
+    /**
+     * Public method copy_coll
+     *
+     * Copy a collection on webdav server
+     * Duplicates a collection on the webdav server (serverside).
+     * All work is done on the webdav server. If you set param overwrite as true,
+     * the target will be overwritten.
+     *
+     * @param string $src_path Source path
+     * @param string $dest_path Destination path
+     * @param bool $overwrite Overwrite if collection exists in $dst_path
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    public function copy_coll($src_path, $dst_path, $overwrite = false)
+    {
+        return $this->copy($src_path, $dst_path, $overwrite, true);
+    }
+
+    /**
+     * Gets path information from webdav server for one element
+     *
+     * @param string $path Path to file or folder
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return array directory info
+     */
+    public function gpi($path)
+    {
+        $path = $this->removeSlash($path);
+        $response = $this->sabre_client->propFind($path, array(
+            '{http://owncloud.org/ns}fileid',
+            '{DAV:}resourcetype',
+            '{DAV:}getcontentlength',
+            '{DAV:}getlastmodified',
+            '{DAV:}getcontenttype',
+            '{DAV:}quota-used-bytes',
+            '{DAV:}quota-available-bytes',
+        ));
+
+        $type = $response["{DAV:}resourcetype"]->resourceType;
+        if (is_array($type) && !empty($type)) {
+            $type = $type[0] == "{DAV:}collection" ? "collection" : "file";
+        } else {
+            $type = "file"; // fall back to file if detection fails... less harmful
+        }
+
+        $gpi = array(
+            "fileid" => isset($response["{http://owncloud.org/ns}fileid"]) ? $response["{http://owncloud.org/ns}fileid"] : '-1',
+            "resourcetype" => $type,
+            "getcontentlength" => isset($response["{DAV:}getcontentlength"]) ? $response["{DAV:}getcontentlength"] : null,
+            "getlastmodified" => isset($response["{DAV:}getlastmodified"]) ? $response["{DAV:}getlastmodified"] : null,
+            "getcontenttype" => isset($response["{DAV:}getcontenttype"]) ? $response["{DAV:}getcontenttype"] : null,
+            "quota-used-bytes" => isset($response["{DAV:}quota-used-bytes"]) ? $response["{DAV:}quota-used-bytes"] : null,
+            "quota-available-bytes" => isset($response["{DAV:}quota-available-bytes"]) ? $response["{DAV:}quota-available-bytes"] : null,
+        );
+
+        return $gpi;
+    }
+
+    /**
+     * Gets server information
+     *
+     * @throws BackendException if request is not successful
+     * @return array with all header fields returned from webdav server.
+     */
+    public function options()
+    {
+        $features = $this->sabre_client->options();
+
+        // be sure it is an array
+        if (is_array($features)) {
+            return $features;
+        }
+
+        $this->log('[OPTIONS] - ERROR - Error getting server features');
+        $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_FEATURES), self::WD_ERR_FEATURES);
+        $e->setTitle($this->backendTransName . _('Not implemented'));
+        throw $e;
+    }
+
+    /**
+     * Gather whether a path points to a file or not
+     *
+     * @param string $path Path to file or folder
+     *
+     * @return boolean true if path points to a file, false otherwise
+     */
+    public function is_file($path)
+    {
+        $item = $this->gpi($path);
+
+        return $item === false ? false : ($item['resourcetype'] != 'collection');
+    }
+
+    /**
+     * Gather whether a path points to a directory
+     *
+     * @param string $path Path to file or folder
+     *
+     * @return boolean true if path points to a directory, false otherwise
+     */
+    public function is_dir($path)
+    {
+        $item = $this->gpi($path);
+
+        return $item === false ? false : ($item['resourcetype'] == 'collection');
+    }
+
+    /**
+     * check if file/directory exists
+     *
+     * @param string $path Path to file or folder
+     *
+     * @return boolean true if path exists, false otherwise
+     */
+    public function exists($path)
+    {
+        return ($this->is_dir($path) || $this->is_file($path));
+    }
+
+    /**
+     * Copy a collection on webdav server
+     * Duplicates a collection on the webdav server (serverside).
+     * All work is done on the webdav server. If you set param overwrite as true,
+     * the target will be overwritten.
+     *
+     * @access private
+     *
+     * @param string $src_path Source path
+     * @param string $dest_path Destination path
+     * @param bool $overwrite Overwrite if collection exists in $dst_path
+     * @param bool $coll Set this to true if you want to copy a folder.
+     *
+     * @throws BackendException if request is not successful
+     *
+     * @return boolean true if action succeeded
+     */
+    private function copy($src_path, $dst_path, $overwrite, $coll)
+    {
+        $time_start = microtime(true);
+        $src_path = $this->removeSlash($src_path);
+        $dst_path = $this->webdavUrl() . $this->removeSlash($dst_path);
+        $this->log("[COPY] start for dir: $src_path -> $dst_path");
+        if ($overwrite) {
+            $overwrite = 'T';
+        } else {
+            $overwrite = 'F';
+        }
+
+        array("Destination" => $dst_path, 'Overwrite' => $overwrite);
+        if ($coll) {
+            $settings = array("Destination" => $dst_path, 'Depth' => 'Infinity');
+        }
+
+        try {
+            $response = $this->sabre_client->request("COPY", $src_path, null, $settings);
+            $time_end = microtime(true);
+            $time = $time_end - $time_start;
+            $this->log("[COPY] done in $time seconds: " . $response['statusCode']);
+            return true;
+        } catch (ClientException $e) {
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getCode()), $e->getCode());
+            $e->setTitle($this->backendTransName . _('Sabre error'));
+            throw $e;
+        } catch (Exception $e) {
+            $this->log('[COPY] - FATAL - ' . $e->getMessage());
+            $e = new BackendException($this->parseErrorCodeToMessage($e->getHTTPCode()), $e->getHTTPCode());
+            $e->setTitle($this->backendTransName . _('Copying failed'));
+            throw $e;
+        }
+    }
+
+    /**
+     * Create the base webdav url
+     *
+     * @access protected
+     * @return string baseURL
+     */
+    protected function webdavUrl()
+    {
+        if ($this->ssl) {
+            $url = "https://";
+        } else {
+            $url = "http://";
+        }
+
+        // make sure that we do not have any trailing / in our url
+        $server = rtrim($this->server, '/');
+        $path = rtrim($this->path, '/');
+
+        $url .= $server . ":" . $this->port . $path . "/";
+
+        return $url;
+    }
+
+    /**
+     * Removes the leading slash from the folder path
+     *
+     * @access private
+     *
+     * @param string $dir directory path
+     *
+     * @return string trimmed directory path
+     */
+    function removeSlash($dir)
+    {
+        if (strpos($dir, '/') === 0) {
+            $dir = substr($dir, 1);
+        }
+
+        // remove all html entities and urlencode the path...
+        $nohtml = html_entity_decode($dir);
+        $dir = implode("/", array_map("rawurlencode", explode("/", $nohtml)));
+
+        return $dir;
+    }
+
+    /**
+     * This function will return a user friendly error string.
+     *
+     * @param number $error_code A error code
+     *
+     * @return string userfriendly error message
+     */
+    private function parseErrorCodeToMessage($error_code)
+    {
+        $error = intval($error_code);
+
+        $msg = _('Unknown error');
+        $contactAdmin = _('Please contact your system administrator');
+
+        switch ($error) {
+            case CURLE_BAD_PASSWORD_ENTERED:
+            case self::WD_ERR_UNAUTHORIZED:
+                $msg = _('Unauthorized. Wrong username or password.');
+                break;
+            case CURLE_SSL_CONNECT_ERROR:
+            case CURLE_COULDNT_RESOLVE_HOST:
+            case CURLE_COULDNT_CONNECT:
+            case CURLE_OPERATION_TIMEOUTED:
+            case self::WD_ERR_UNREACHABLE:
+                $msg = _('File server is not reachable. Please verify the connection.');
+                break;
+            case self::WD_ERR_NOTALLOWED:
+                $msg = _('File server is not reachable. Please verify the file server URL.');
+                break;
+            case self::WD_ERR_FORBIDDEN:
+                $msg = _('You don\'t have enough permissions to view this file or folder.');
+                break;
+            case self::WD_ERR_NOTFOUND:
+                $msg = _('The file or folder is not available anymore.');
+                break;
+            case self::WD_ERR_TIMEOUT:
+                $msg = _('Connection to the file server timed out. Please check again later.');
+                break;
+            case self::WD_ERR_LOCKED:
+                $msg = _('This file is locked by another user. Please try again later.');
+                break;
+            case self::WD_ERR_FAILED_DEPENDENCY:
+                $msg = _('The request failed.') . ' ' . $contactAdmin;
+                break;
+            case self::WD_ERR_INTERNAL:
+                // This is a general error, might be thrown due to a wrong IP, but we don't know.
+                $msg = _('The file server encountered an internal problem.') . ' ' . $contactAdmin;
+                break;
+            case self::WD_ERR_TMP:
+                $msg = _('We could not write to temporary directory.') . ' ' . $contactAdmin;
+                break;
+            case self::WD_ERR_FEATURES:
+                $msg = _('We could not retrieve list of server features.') . ' ' . $contactAdmin;
+                break;
+            case self::WD_ERR_NO_CURL:
+                $msg = _('PHP-Curl is not available.') . ' ' . $contactAdmin;
+                break;
+        }
+
+        return $msg;
+    }
+
+    public function getFormConfig()
+    {
+        $json = json_encode($this->metaConfig);
+
+        if ($json === FALSE) {
+            error_log(json_last_error());
+        }
+
+        return $json;
+    }
+
+    public function getFormConfigWithData()
+    {
+        return json_encode($this->metaConfig);
+    }
+
+    /**
+     * a simple php error_log wrapper.
+     *
+     * @access private
+     *
+     * @param string $err_string error message
+     *
+     * @return void
+     */
+    private function log($err_string)
+    {
+        if ($this->debug) {
+            error_log("[BACKEND_WEBDAV]: " . $err_string);
+        }
+    }
+
+    /**
+     * ============================ FEATURE FUNCTIONS ========================
+     */
+
+    /**
+     * Returns the bytes that are currently used.
+     *
+     * @param string $dir directory to check
+     *
+     * @return int bytes that are used or -1 on error
+     */
+    public function getQuotaBytesUsed($dir)
+    {
+        $lsdata = $this->ls($dir, false);
+
+        if (isset($lsdata) && is_array($lsdata)) {
+            return $lsdata[$dir]["quota-used-bytes"];
+        } else {
+            return -1;
+        }
+    }
+
+    /**
+     * Returns the bytes that are currently available.
+     *
+     * @param string $dir directory to check
+     *
+     * @return int bytes that are available or -1 on error
+     */
+    public function getQuotaBytesAvailable($dir)
+    {
+        $lsdata = $this->ls($dir, false);
+
+        if (isset($lsdata) && is_array($lsdata)) {
+            return $lsdata[$dir]["quota-available-bytes"];
+        } else {
+            return -1;
+        }
+    }
+
+    /**
+     * Return the version string of the server backend.
+     * @return String
+     * @throws BackendException
+     */
+    public function getServerVersion()
+    {
+        // check if curl is available
+        $serverHasCurl = function_exists('curl_version');
+        if (!$serverHasCurl) {
+            $e = new BackendException($this->parseErrorCodeToMessage(self::WD_ERR_NO_CURL), 500);
+            $e->setTitle($this->backendTransName . _('PHP-CURL not installed'));
+            throw $e;
+        }
+
+        $webdavurl = $this->webdavUrl();
+
+        $url = substr($webdavurl, 0, strlen($webdavurl) - strlen("remote.php/webdav/")) . "status.php";
+
+        // try to get the contents of the owncloud status page
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
+        curl_setopt($ch, CURLOPT_TIMEOUT, 3); // timeout of 3 seconds
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
+        if ($this->allowselfsigned) {
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+        }
+        $versiondata = curl_exec($ch);
+        $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        curl_close($ch);
+
+        if ($httpcode && $httpcode == "200" && $versiondata) {
+            $versions = json_decode($versiondata);
+            $version = $versions->versionstring;
+        } else {
+            $version = "Undetected (no Owncloud?)";
+        }
+
+        return $version;
+    }
 }

Spacing +5 added lines, -5 removed lines

@@ -222,7 +222,7 @@ 
 		} else {
 			// For backward compatibility we will check if the Encryption store exists. If not,
 			// we will fall back to the old way of retrieving the password from the session.
-			if ( class_exists('EncryptionStore') ) {
+			if (class_exists('EncryptionStore')) {
 				// Get the username and password from the Encryption store
 				$encryptionStore = \EncryptionStore::getInstance();
 				$this->set_user($encryptionStore->get('username'));
@@ -230,7 +230,7 @@ 
 			} else {
 				$this->set_user($GLOBALS['mapisession']->getUserName());
 				$password = $_SESSION['password'];
-				if(function_exists('openssl_decrypt')) {
+				if (function_exists('openssl_decrypt')) {
 					$this->set_pass(openssl_decrypt($password, "des-ede3-cbc", PASSWORD_KEY, 0, PASSWORD_IV));
 				}
 			}
@@ -448,14 +448,14 @@ 
 			$e->setTitle($this->backendTransName . _('Sabre error'));
 			throw $e;
 		} catch (Exception $e) {
-			$this->log('ls general exception: ' . $e->getMessage() . " [" . $e->getHTTPCode() .  "]");
+			$this->log('ls general exception: ' . $e->getMessage() . " [" . $e->getHTTPCode() . "]");
 			// THIS IS A FIX FOR OWNCLOUD - It does return 500 instead of 401...
 			$err_code = $e->getHTTPCode();
 			// check if code is 500 - then we should try to parse the error message
-			if($err_code === 500) {
+			if ($err_code === 500) {
 				// message example: HTTP-Code: 401
 				$regx = '/[0-9]{3}/';
-				if(preg_match($regx, $e->getMessage(), $found)) {
+				if (preg_match($regx, $e->getMessage(), $found)) {
 					$err_code = $found[0];
 				}
 			}

plugins/files/php/Files/Backend/Webdav/sabredav/FilesWebDavClient.php

Indentation +99 added lines, -99 removed lines

@@ -10,103 +10,103 @@
 include(__DIR__ . "/vendor/autoload.php");
 
 class FilesWebDavClient extends \Sabre\DAV\Client {
-	public function __construct(array $settings) {
-		if (isset($settings['userName'])) {
-			$this->userName = $settings['userName'];
-		}
-		if (isset($settings['password'])) {
-			$this->password = $settings['password'];
-		}
-		parent::__construct($settings);
-	}
-	/**
-	 * Performs an actual HTTP request, and returns the result.
-	 *
-	 * If the specified url is relative, it will be expanded based on the base
-	 * url.
-	 *
-	 * The returned array contains 3 keys:
-	 *   * body - the response body
-	 *   * httpCode - a HTTP code (200, 404, etc)
-	 *   * headers - a list of response http headers. The header names have
-	 *     been lowercased.
-	 *
-	 * @param string $url
-	 * @param string $dstpath
-	 * @param array  $headers
-	 *
-	 * @return array
-	 */
-	public function getFile($url = '', $dstpath, $headers = array()) {
-
-		$url = $this->getAbsoluteUrl($url);
-		$file_handle = fopen($dstpath, "w");
-
-		if (!$file_handle) {
-			throw new \Sabre\DAV\Exception('[CURL] Error writing to temporary file! (' . $dstpath . ')');
-		}
-
-		//straight up curl instead of sabredav here, sabredav put's the entire get result in memory
-		$curl = curl_init($url);
-
-		if ($this->verifyPeer !== null) {
-			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifyPeer);
-		}
-		if ($this->trustedCertificates) {
-			curl_setopt($curl, CURLOPT_CAINFO, $this->trustedCertificates);
-		}
-
-		curl_setopt($curl, CURLOPT_USERPWD, $this->userName . ":" . $this->password);
-		curl_setopt($curl, CURLOPT_FILE, $file_handle);
-		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-		curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-		curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-
-		curl_exec($curl);
-
-		$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
-
-		curl_close($curl);
-
-		$response = array(
-			'statusCode' => $statusCode
-		);
-
-		if ($response['statusCode'] >= 400) {
-			switch ($response['statusCode']) {
-				case 400 :
-					throw new \Sabre\DAV\Exception\BadRequest('Bad request');
-				case 401 :
-					throw new \Sabre\DAV\Exception\NotAuthenticated('Not authenticated');
-				case 402 :
-					throw new \Sabre\DAV\Exception\PaymentRequired('Payment required');
-				case 403 :
-					throw new \Sabre\DAV\Exception\Forbidden('Forbidden');
-				case 404:
-					throw new \Sabre\DAV\Exception\NotFound('Resource not found.');
-				case 405 :
-					throw new \Sabre\DAV\Exception\MethodNotAllowed('Method not allowed');
-				case 409 :
-					throw new \Sabre\DAV\Exception\Conflict('Conflict');
-				case 412 :
-					throw new \Sabre\DAV\Exception\PreconditionFailed('Precondition failed');
-				case 416 :
-					throw new \Sabre\DAV\Exception\RequestedRangeNotSatisfiable('Requested Range Not Satisfiable');
-				case 500 :
-					throw new \Sabre\DAV\Exception('Internal server error');
-				case 501 :
-					throw new \Sabre\DAV\Exception\NotImplemented('Not Implemented');
-				case 507 :
-					throw new \Sabre\DAV\Exception\InsufficientStorage('Insufficient storage');
-				default:
-					throw new \Sabre\DAV\Exception('HTTP error response. (errorcode ' . $response['statusCode'] . ')');
-			}
-		}
-
-		return $response;
-	}
-
-	public function uploadChunkedFile($destination, $resource) {
-		return $this->request("PUT", $destination, $resource);
-	}
+    public function __construct(array $settings) {
+        if (isset($settings['userName'])) {
+            $this->userName = $settings['userName'];
+        }
+        if (isset($settings['password'])) {
+            $this->password = $settings['password'];
+        }
+        parent::__construct($settings);
+    }
+    /**
+     * Performs an actual HTTP request, and returns the result.
+     *
+     * If the specified url is relative, it will be expanded based on the base
+     * url.
+     *
+     * The returned array contains 3 keys:
+     *   * body - the response body
+     *   * httpCode - a HTTP code (200, 404, etc)
+     *   * headers - a list of response http headers. The header names have
+     *     been lowercased.
+     *
+     * @param string $url
+     * @param string $dstpath
+     * @param array  $headers
+     *
+     * @return array
+     */
+    public function getFile($url = '', $dstpath, $headers = array()) {
+
+        $url = $this->getAbsoluteUrl($url);
+        $file_handle = fopen($dstpath, "w");
+
+        if (!$file_handle) {
+            throw new \Sabre\DAV\Exception('[CURL] Error writing to temporary file! (' . $dstpath . ')');
+        }
+
+        //straight up curl instead of sabredav here, sabredav put's the entire get result in memory
+        $curl = curl_init($url);
+
+        if ($this->verifyPeer !== null) {
+            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifyPeer);
+        }
+        if ($this->trustedCertificates) {
+            curl_setopt($curl, CURLOPT_CAINFO, $this->trustedCertificates);
+        }
+
+        curl_setopt($curl, CURLOPT_USERPWD, $this->userName . ":" . $this->password);
+        curl_setopt($curl, CURLOPT_FILE, $file_handle);
+        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
+        curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+        curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+
+        curl_exec($curl);
+
+        $statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+
+        curl_close($curl);
+
+        $response = array(
+            'statusCode' => $statusCode
+        );
+
+        if ($response['statusCode'] >= 400) {
+            switch ($response['statusCode']) {
+                case 400 :
+                    throw new \Sabre\DAV\Exception\BadRequest('Bad request');
+                case 401 :
+                    throw new \Sabre\DAV\Exception\NotAuthenticated('Not authenticated');
+                case 402 :
+                    throw new \Sabre\DAV\Exception\PaymentRequired('Payment required');
+                case 403 :
+                    throw new \Sabre\DAV\Exception\Forbidden('Forbidden');
+                case 404:
+                    throw new \Sabre\DAV\Exception\NotFound('Resource not found.');
+                case 405 :
+                    throw new \Sabre\DAV\Exception\MethodNotAllowed('Method not allowed');
+                case 409 :
+                    throw new \Sabre\DAV\Exception\Conflict('Conflict');
+                case 412 :
+                    throw new \Sabre\DAV\Exception\PreconditionFailed('Precondition failed');
+                case 416 :
+                    throw new \Sabre\DAV\Exception\RequestedRangeNotSatisfiable('Requested Range Not Satisfiable');
+                case 500 :
+                    throw new \Sabre\DAV\Exception('Internal server error');
+                case 501 :
+                    throw new \Sabre\DAV\Exception\NotImplemented('Not Implemented');
+                case 507 :
+                    throw new \Sabre\DAV\Exception\InsufficientStorage('Insufficient storage');
+                default:
+                    throw new \Sabre\DAV\Exception('HTTP error response. (errorcode ' . $response['statusCode'] . ')');
+            }
+        }
+
+        return $response;
+    }
+
+    public function uploadChunkedFile($destination, $resource) {
+        return $this->request("PUT", $destination, $resource);
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -59,8 +59,8 @@
 		curl_setopt($curl, CURLOPT_USERPWD, $this->userName . ":" . $this->password);
 		curl_setopt($curl, CURLOPT_FILE, $file_handle);
 		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-		curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-		curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
 
 		curl_exec($curl);
 

plugins/files/php/Files/Backend/class.abstract_css_loader.php

Indentation +5 added lines, -5 removed lines

@@ -5,11 +5,11 @@
 abstract class AbstractCSSLoader
 {
 
-	protected $cssBuffer = "";
+    protected $cssBuffer = "";
 
-	// path to css folder
-	protected $CSS_PATH;
+    // path to css folder
+    protected $CSS_PATH;
 
-	// get combined css string
-	abstract public function get_combined_css($debug = false);
+    // get combined css string
+    abstract public function get_combined_css($debug = false);
 }
\ No newline at end of file

plugins/files/php/Files/Backend/interface.version.php

Indentation +1 added lines, -1 removed lines

@@ -3,5 +3,5 @@
 
 interface iFeatureVersionInfo
 {
-	public function getServerVersion();
+    public function getServerVersion();
 }
\ No newline at end of file

plugins/files/php/Files/Backend/class.backendstore.php

Indentation +171 added lines, -171 removed lines

@@ -6,7 +6,7 @@ 
 
 // For backward compatibility we must check if the file exists
 if ( file_exists(BASE_PATH . 'server/includes/core/class.encryptionstore.php') ) {
-	require_once(BASE_PATH . 'server/includes/core/class.encryptionstore.php');
+    require_once(BASE_PATH . 'server/includes/core/class.encryptionstore.php');
 }
 
 use \Files\Core\Util\Logger;
@@ -14,174 +14,174 @@ 
 
 class BackendStore
 {
-	const EXTERNAL_BACKEND_PREFIX = "filesbackend"; // folder prefix for external backends
-	private $EXTERNAL_BACKEND_DIR = ""; // path to search for external plugins (should be grommunio-web/plugins)
-	const BACKEND_DIR = "/"; // path to search for core backends, relative to current path
-	const LOG_CONTEXT = "BackendStore"; // Context for the Logger
-
-
-	/**
-	 * Feature variables
-	 */
-	const FEATURE_QUOTA = "Quota";
-	const FEATURE_VERSION = "VersionInfo";
-	const FEATURE_SHARING = "Sharing";
-	const FEATURE_STREAMING = "Streaming";
-	const FEATURE_OAUTH = "OAUTH";
-
-	/**
-	 * @var AbstractBackend
-	 */
-	private $backends = array();
-	protected static $_instance = null;
-
-	// Make it a singleton
-	private function __construct()
-	{
-		$this->EXTERNAL_BACKEND_DIR = BASE_PATH . PATH_PLUGIN_DIR . "/";
-
-		Logger::debug(self::LOG_CONTEXT, "Searching for external backends in " . $this->EXTERNAL_BACKEND_DIR);
-	}
-
-	/**
-	 * Call this method to get singleton
-	 *
-	 * @return BackendStore
-	 */
-	public static function getInstance()
-	{
-		if (null === self::$_instance) {
-			self::$_instance = new self;
-			self::$_instance->initialize();
-			self::$_instance->initializeExternal();
-		}
-
-		return self::$_instance;
-	}
-
-	/**
-	 * Search the backend folder for backends and register them
-	 */
-	public function initialize()
-	{
-		$list = array();    // this hold our plugin folders
-		$workdir = __DIR__ . self::BACKEND_DIR;
-
-		// Populate the list of directories to check against
-		if (($directoryHandle = opendir($workdir)) !== FALSE) {
-			while (($file = readdir($directoryHandle)) !== false) {
-				// Make sure we're not dealing with a file or a link to the parent directory
-				if (is_dir($workdir . $file) && ($file == '.' || $file == '..') !== true) {
-					array_push($list, $file);
-				}
-			}
-		} else {
-			Logger::error(self::LOG_CONTEXT, "Error opening the backend directory: " . $workdir);
-		}
-
-		// Register the backends
-		foreach ($list as $backend) {
-			Logger::debug(self::LOG_CONTEXT, "Registering backend: " . $backend);
-			$this->register($backend);
-		}
-	}
-
-	/**
-	 * Search the backend folder for external backends and register them
-	 */
-	public function initializeExternal()
-	{
-		$list = array();    // this hold our plugin folders
-		$workdir = $this->EXTERNAL_BACKEND_DIR;
-
-		// Populate the list of directories to check against
-		if (($directoryHandle = opendir($workdir)) !== FALSE) {
-			while (($file = readdir($directoryHandle)) !== false) {
-				// Make sure we're not dealing with a file or a link to the parent directory
-				if (is_dir($workdir . $file) && ($file == '.' || $file == '..') !== true && StringUtil::startsWith($file, self::EXTERNAL_BACKEND_PREFIX)) {
-					$backendName = substr($file, strlen(self::EXTERNAL_BACKEND_PREFIX));
-					array_push($list, $backendName);
-				}
-			}
-		} else {
-			Logger::error(self::LOG_CONTEXT, "Error opening the external backend directory: " . $workdir);
-		}
-
-		// Register the backends
-		foreach ($list as $backend) {
-			Logger::debug(self::LOG_CONTEXT, "Registering external backend: " . $backend);
-			$this->registerExternal($backend);
-		}
-	}
-
-	/**
-	 * Registration adds the backend to the list of plugins, and also
-	 * includes it's code into our runtime.
-	 *
-	 * @param $backend
-	 */
-	private function register($backend)
-	{
-		require_once(__DIR__ . self::BACKEND_DIR . $backend . "/class.backend.php");
-		array_push($this->backends, $backend);
-	}
-
-	/**
-	 * Registration adds the external backend to the list of plugins, and also
-	 * includes it's code into our runtime.
-	 *
-	 * @param $backend
-	 */
-	private function registerExternal($backend)
-	{
-		require_once($this->EXTERNAL_BACKEND_DIR . self::EXTERNAL_BACKEND_PREFIX . $backend . "/php/class.backend.php");
-		array_push($this->backends, $backend);
-	}
-
-	/**
-	 * Check if a backend is registered.
-	 *
-	 * @param $backend
-	 *
-	 * @return bool
-	 */
-	public function backendExists($backend)
-	{
-		foreach ($this->backends as $registeredbackend) {
-			if ($backend === $registeredbackend) {
-				return true;
-			}
-		}
-
-		Logger::log(self::LOG_CONTEXT, "Backend does not exist: " . $backend);
-
-		return false;
-	}
-
-	/**
-	 * Creates a new Instance of the given backendtype.
-	 *
-	 * @param $backend
-	 *
-	 * @return AbstractBackend
-	 */
-	public function getInstanceOfBackend($backend)
-	{
-		if ($this->backendExists($backend)) {
-			$class = "\\Files\\Backend\\$backend\\Backend";
-
-			return new $class();
-		}
-
-		return FALSE; // return false if the backend does not exist
-	}
-
-	/**
-	 * Return all registered backend internal names.
-	 * @return array
-	 */
-	public function getRegisteredBackendNames()
-	{
-		return $this->backends;
-	}
+    const EXTERNAL_BACKEND_PREFIX = "filesbackend"; // folder prefix for external backends
+    private $EXTERNAL_BACKEND_DIR = ""; // path to search for external plugins (should be grommunio-web/plugins)
+    const BACKEND_DIR = "/"; // path to search for core backends, relative to current path
+    const LOG_CONTEXT = "BackendStore"; // Context for the Logger
+
+
+    /**
+     * Feature variables
+     */
+    const FEATURE_QUOTA = "Quota";
+    const FEATURE_VERSION = "VersionInfo";
+    const FEATURE_SHARING = "Sharing";
+    const FEATURE_STREAMING = "Streaming";
+    const FEATURE_OAUTH = "OAUTH";
+
+    /**
+     * @var AbstractBackend
+     */
+    private $backends = array();
+    protected static $_instance = null;
+
+    // Make it a singleton
+    private function __construct()
+    {
+        $this->EXTERNAL_BACKEND_DIR = BASE_PATH . PATH_PLUGIN_DIR . "/";
+
+        Logger::debug(self::LOG_CONTEXT, "Searching for external backends in " . $this->EXTERNAL_BACKEND_DIR);
+    }
+
+    /**
+     * Call this method to get singleton
+     *
+     * @return BackendStore
+     */
+    public static function getInstance()
+    {
+        if (null === self::$_instance) {
+            self::$_instance = new self;
+            self::$_instance->initialize();
+            self::$_instance->initializeExternal();
+        }
+
+        return self::$_instance;
+    }
+
+    /**
+     * Search the backend folder for backends and register them
+     */
+    public function initialize()
+    {
+        $list = array();    // this hold our plugin folders
+        $workdir = __DIR__ . self::BACKEND_DIR;
+
+        // Populate the list of directories to check against
+        if (($directoryHandle = opendir($workdir)) !== FALSE) {
+            while (($file = readdir($directoryHandle)) !== false) {
+                // Make sure we're not dealing with a file or a link to the parent directory
+                if (is_dir($workdir . $file) && ($file == '.' || $file == '..') !== true) {
+                    array_push($list, $file);
+                }
+            }
+        } else {
+            Logger::error(self::LOG_CONTEXT, "Error opening the backend directory: " . $workdir);
+        }
+
+        // Register the backends
+        foreach ($list as $backend) {
+            Logger::debug(self::LOG_CONTEXT, "Registering backend: " . $backend);
+            $this->register($backend);
+        }
+    }
+
+    /**
+     * Search the backend folder for external backends and register them
+     */
+    public function initializeExternal()
+    {
+        $list = array();    // this hold our plugin folders
+        $workdir = $this->EXTERNAL_BACKEND_DIR;
+
+        // Populate the list of directories to check against
+        if (($directoryHandle = opendir($workdir)) !== FALSE) {
+            while (($file = readdir($directoryHandle)) !== false) {
+                // Make sure we're not dealing with a file or a link to the parent directory
+                if (is_dir($workdir . $file) && ($file == '.' || $file == '..') !== true && StringUtil::startsWith($file, self::EXTERNAL_BACKEND_PREFIX)) {
+                    $backendName = substr($file, strlen(self::EXTERNAL_BACKEND_PREFIX));
+                    array_push($list, $backendName);
+                }
+            }
+        } else {
+            Logger::error(self::LOG_CONTEXT, "Error opening the external backend directory: " . $workdir);
+        }
+
+        // Register the backends
+        foreach ($list as $backend) {
+            Logger::debug(self::LOG_CONTEXT, "Registering external backend: " . $backend);
+            $this->registerExternal($backend);
+        }
+    }
+
+    /**
+     * Registration adds the backend to the list of plugins, and also
+     * includes it's code into our runtime.
+     *
+     * @param $backend
+     */
+    private function register($backend)
+    {
+        require_once(__DIR__ . self::BACKEND_DIR . $backend . "/class.backend.php");
+        array_push($this->backends, $backend);
+    }
+
+    /**
+     * Registration adds the external backend to the list of plugins, and also
+     * includes it's code into our runtime.
+     *
+     * @param $backend
+     */
+    private function registerExternal($backend)
+    {
+        require_once($this->EXTERNAL_BACKEND_DIR . self::EXTERNAL_BACKEND_PREFIX . $backend . "/php/class.backend.php");
+        array_push($this->backends, $backend);
+    }
+
+    /**
+     * Check if a backend is registered.
+     *
+     * @param $backend
+     *
+     * @return bool
+     */
+    public function backendExists($backend)
+    {
+        foreach ($this->backends as $registeredbackend) {
+            if ($backend === $registeredbackend) {
+                return true;
+            }
+        }
+
+        Logger::log(self::LOG_CONTEXT, "Backend does not exist: " . $backend);
+
+        return false;
+    }
+
+    /**
+     * Creates a new Instance of the given backendtype.
+     *
+     * @param $backend
+     *
+     * @return AbstractBackend
+     */
+    public function getInstanceOfBackend($backend)
+    {
+        if ($this->backendExists($backend)) {
+            $class = "\\Files\\Backend\\$backend\\Backend";
+
+            return new $class();
+        }
+
+        return FALSE; // return false if the backend does not exist
+    }
+
+    /**
+     * Return all registered backend internal names.
+     * @return array
+     */
+    public function getRegisteredBackendNames()
+    {
+        return $this->backends;
+    }
 }

Spacing +3 added lines, -3 removed lines

@@ -5,7 +5,7 @@ 
 require_once __DIR__ . "/../Core/Util/class.stringutil.php";
 
 // For backward compatibility we must check if the file exists
-if ( file_exists(BASE_PATH . 'server/includes/core/class.encryptionstore.php') ) {
+if (file_exists(BASE_PATH . 'server/includes/core/class.encryptionstore.php')) {
 	require_once(BASE_PATH . 'server/includes/core/class.encryptionstore.php');
 }
 
@@ -64,7 +64,7 @@ 
 	 */
 	public function initialize()
 	{
-		$list = array();    // this hold our plugin folders
+		$list = array(); // this hold our plugin folders
 		$workdir = __DIR__ . self::BACKEND_DIR;
 
 		// Populate the list of directories to check against
@@ -91,7 +91,7 @@ 
 	 */
 	public function initializeExternal()
 	{
-		$list = array();    // this hold our plugin folders
+		$list = array(); // this hold our plugin folders
 		$workdir = $this->EXTERNAL_BACKEND_DIR;
 
 		// Populate the list of directories to check against