Merge branch 'master' of https://github.com/redmatrix/hubzilla

6 files changed, 13 insertions, 1455 deletions

diff --git a/include/RedDAV/RedBasicAuth.php b/include/RedDAV/RedBasicAuth.php
deleted file mode 100644
index 19dd9a5f0..000000000
--- a/include/RedDAV/RedBasicAuth.php
+++ /dev/null
@@ -1,212 +0,0 @@
-<?php
-
-namespace RedMatrix\RedDAV;
-
-use Sabre\DAV;
-
-/**
- * @brief Authentication backend class for RedDAV.
- *
- * This class also contains some data which is not necessary for authentication
- * like timezone settings.
- *
- * @extends Sabre\DAV\Auth\Backend\AbstractBasic
- *
- * @link http://github.com/friendica/red
- * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
- */
-class RedBasicAuth extends DAV\Auth\Backend\AbstractBasic {
-
-	/**
-	 * @brief This variable holds the currently logged-in channel_address.
-	 *
-	 * It is used for building path in filestorage/.
-	 *
-	 * @var string|null
-	 */
-	protected $channel_name = null;
-	/**
-	 * channel_id of the current channel of the logged-in account.
-	 *
-	 * @var int
-	 */
-	public $channel_id = 0;
-	/**
-	 * channel_hash of the current channel of the logged-in account.
-	 *
-	 * @var string
-	 */
-	public $channel_hash = '';
-	/**
-	 * Set in mod/cloud.php to observer_hash.
-	 *
-	 * @var string
-	 */
-	public $observer = '';
-	/**
-	 *
-	 * @see RedBrowser::set_writeable()
-	 * @var \Sabre\DAV\Browser\Plugin
-	 */
-	public $browser;
-	/**
-	 * channel_id of the current visited path. Set in RedDirectory::getDir().
-	 *
-	 * @var int
-	 */
-	public $owner_id = 0;
-	/**
-	 * channel_name of the current visited path. Set in RedDirectory::getDir().
-	 *
-	 * Used for creating the path in cloud/
-	 *
-	 * @var string
-	 */
-	public $owner_nick = '';
-	/**
-	 * Timezone from the visiting channel's channel_timezone.
-	 *
-	 * Used in @ref RedBrowser
-	 *
-	 * @var string
-	 */
-	protected $timezone = '';
-
-
-	/**
-	 * @brief Validates a username and password.
-	 *
-	 * Guest access is granted with the password "+++".
-	 *
-	 * @see \Sabre\DAV\Auth\Backend\AbstractBasic::validateUserPass
-	 * @param string $username
-	 * @param string $password
-	 * @return bool
-	 */
-	protected function validateUserPass($username, $password) {
-		if (trim($password) === '+++') {
-			logger('guest: ' . $username);
-			return true;
-		}
-
-		require_once('include/auth.php');
-		$record = account_verify_password($username, $password);
-		if ($record && $record['account_default_channel']) {
-			$r = q("SELECT * FROM channel WHERE channel_account_id = %d AND channel_id = %d LIMIT 1",
-				intval($record['account_id']),
-				intval($record['account_default_channel'])
-			);
-			if ($r) {
-				return $this->setAuthenticated($r[0]);
-			}
-		}
-		$r = q("SELECT * FROM channel WHERE channel_address = '%s' LIMIT 1",
-			dbesc($username)
-		);
-		if ($r) {
-			$x = q("SELECT account_flags, account_salt, account_password FROM account WHERE account_id = %d LIMIT 1",
-				intval($r[0]['channel_account_id'])
-			);
-			if ($x) {
-				// @fixme this foreach should not be needed?
-				foreach ($x as $record) {
-					if (($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)
-					&& (hash('whirlpool', $record['account_salt'] . $password) === $record['account_password'])) {
-						logger('password verified for ' . $username);
-						return $this->setAuthenticated($r[0]);
-					}
-				}
-			}
-		}
-
-		$error = 'password failed for ' . $username;
-		logger($error);
-		log_failed_login($error);
-
-		return false;
-	}
-
-	/**
-	 * @brief Sets variables and session parameters after successfull authentication.
-	 *
-	 * @param array $r
-	 *  Array with the values for the authenticated channel.
-	 * @return bool
-	 */
-	protected function setAuthenticated($r) {
-		$this->channel_name = $r['channel_address'];
-		$this->channel_id = $r['channel_id'];
-		$this->channel_hash = $this->observer = $r['channel_hash'];
-		$_SESSION['uid'] = $r['channel_id'];
-		$_SESSION['account_id'] = $r['channel_account_id'];
-		$_SESSION['authenticated'] = true;
-		return true;
-	}
-
-	/**
-	 * Sets the channel_name from the currently logged-in channel.
-	 *
-	 * @param string $name
-	 *  The channel's name
-	 */
-	public function setCurrentUser($name) {
-		$this->channel_name = $name;
-	}
-	/**
-	 * Returns information about the currently logged-in channel.
-	 *
-	 * If nobody is currently logged in, this method should return null.
-	 *
-	 * @see \Sabre\DAV\Auth\Backend\AbstractBasic::getCurrentUser
-	 * @return string|null
-	 */
-	public function getCurrentUser() {
-		return $this->channel_name;
-	}
-
-	/**
-	 * @brief Sets the timezone from the channel in RedBasicAuth.
-	 *
-	 * Set in mod/cloud.php if the channel has a timezone set.
-	 *
-	 * @param string $timezone
-	 *  The channel's timezone.
-	 * @return void
-	 */
-	public function setTimezone($timezone) {
-		$this->timezone = $timezone;
-	}
-	/**
-	 * @brief Returns the timezone.
-	 *
-	 * @return string
-	 *  Return the channel's timezone.
-	 */
-	public function getTimezone() {
-		return $this->timezone;
-	}
-
-	/**
-	 * @brief Set browser plugin for SabreDAV.
-	 *
-	 * @see RedBrowser::set_writeable()
-	 * @param \Sabre\DAV\Browser\Plugin $browser
-	 */
-	public function setBrowserPlugin($browser) {
-		$this->browser = $browser;
-	}
-
-	/**
-	 * @brief Prints out all RedBasicAuth variables to logger().
-	 *
-	 * @return void
-	 */
-	public function log() {
-		logger('channel_name ' . $this->channel_name, LOGGER_DATA);
-		logger('channel_id ' . $this->channel_id, LOGGER_DATA);
-		logger('channel_hash ' . $this->channel_hash, LOGGER_DATA);
-		logger('observer ' . $this->observer, LOGGER_DATA);
-		logger('owner_id ' . $this->owner_id, LOGGER_DATA);
-		logger('owner_nick ' . $this->owner_nick, LOGGER_DATA);
-	}
-}
\ No newline at end of file
diff --git a/include/RedDAV/RedBrowser.php b/include/RedDAV/RedBrowser.php
deleted file mode 100644
index 1aa5f435e..000000000
--- a/include/RedDAV/RedBrowser.php
+++ /dev/null
@@ -1,372 +0,0 @@
-<?php
-
-namespace RedMatrix\RedDAV;
-
-use Sabre\DAV;
-
-/**
- * @brief Provides a DAV frontend for the webbrowser.
- *
- * RedBrowser is a SabreDAV server-plugin to provide a view to the DAV storage
- * for the webbrowser.
- *
- * @extends \Sabre\DAV\Browser\Plugin
- *
- * @link http://github.com/friendica/red
- * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
- */
-class RedBrowser extends DAV\Browser\Plugin {
-
-	/**
-	 * @see set_writeable()
-	 * @see \Sabre\DAV\Auth\Backend\BackendInterface
-	 * @var RedBasicAuth
-	 */
-	private $auth;
-
-	/**
-	 * @brief Constructor for RedBrowser class.
-	 *
-	 * $enablePost will be activated through set_writeable() in a later stage.
-	 * At the moment the write_storage permission is only valid for the whole
-	 * folder. No file specific permissions yet.
-	 * @todo disable enablePost by default and only activate if permissions
-	 * grant edit rights.
-	 *
-	 * Disable assets with $enableAssets = false. Should get some thumbnail views
-	 * anyway.
-	 *
-	 * @param RedBasicAuth &$auth
-	 */
-	public function __construct(&$auth) {
-		$this->auth = $auth;
-		parent::__construct(true, false);
-	}
-
-	/**
-	 * The DAV browser is instantiated after the auth module and directory classes
-	 * but before we know the current directory and who the owner and observer
-	 * are. So we add a pointer to the browser into the auth module and vice versa.
-	 * Then when we've figured out what directory is actually being accessed, we
-	 * call the following function to decide whether or not to show web elements
-	 * which include writeable objects.
-	 *
-	 * @fixme It only disable/enable the visible parts. Not the POST handler
-	 * which handels the actual requests when uploading files or creating folders.
-	 *
-	 * @todo Maybe this whole way of doing this can be solved with some
-	 * $server->subscribeEvent().
-	 */
-	public function set_writeable() {
-		if (! $this->auth->owner_id) {
-			$this->enablePost = false;
-		}
-
-		if (! perm_is_allowed($this->auth->owner_id, get_observer_hash(), 'write_storage')) {
-			$this->enablePost = false;
-		} else {
-			$this->enablePost = true;
-		}
-	}
-
-	/**
-	 * @brief Creates the directory listing for the given path.
-	 *
-	 * @param string $path which should be displayed
-	 */
-	public function generateDirectoryIndex($path) {
-		// (owner_id = channel_id) is visitor owner of this directory?
-		$is_owner = ((local_channel() && $this->auth->owner_id == local_channel()) ? true : false);
-
-		if ($this->auth->getTimezone())
-			date_default_timezone_set($this->auth->getTimezone());
-
-		require_once('include/conversation.php');
-		require_once('include/text.php');
-		if ($this->auth->owner_nick) {
-			$html = profile_tabs(get_app(), (($is_owner) ? true : false), $this->auth->owner_nick);
-		}
-
-		$files = $this->server->getPropertiesForPath($path, array(
-			'{DAV:}displayname',
-			'{DAV:}resourcetype',
-			'{DAV:}getcontenttype',
-			'{DAV:}getcontentlength',
-			'{DAV:}getlastmodified',
-			), 1);
-
-
-		$parent = $this->server->tree->getNodeForPath($path);
-
-		$parentpath = array();
-		// only show parent if not leaving /cloud/; TODO how to improve this? 
-		if ($path && $path != "cloud") {
-			list($parentUri) = DAV\URLUtil::splitPath($path);
-			$fullPath = DAV\URLUtil::encodePath($this->server->getBaseUri() . $parentUri);
-
-			$parentpath['icon'] = $this->enableAssets ? '<a href="' . $fullPath . '"><img src="' . $this->getAssetUrl('icons/parent' . $this->iconExtension) . '" width="24" alt="' . t('parent') . '"></a>' : '';
-			$parentpath['path'] = $fullPath;
-		}
-
-		$f = array();
-		foreach ($files as $file) {
-			$ft = array();
-			$type = null;
-
-			// This is the current directory, we can skip it
-			if (rtrim($file['href'],'/') == $path) continue;
-
-			list(, $name) = DAV\URLUtil::splitPath($file['href']);
-
-			if (isset($file[200]['{DAV:}resourcetype'])) {
-				$type = $file[200]['{DAV:}resourcetype']->getValue();
-
-				// resourcetype can have multiple values
-				if (!is_array($type)) $type = array($type);
-
-				foreach ($type as $k=>$v) {
-					// Some name mapping is preferred
-					switch ($v) {
-						case '{DAV:}collection' :
-							$type[$k] = t('Collection');
-							break;
-						case '{DAV:}principal' :
-							$type[$k] = t('Principal');
-							break;
-						case '{urn:ietf:params:xml:ns:carddav}addressbook' :
-							$type[$k] = t('Addressbook');
-							break;
-						case '{urn:ietf:params:xml:ns:caldav}calendar' :
-							$type[$k] = t('Calendar');
-							break;
-						case '{urn:ietf:params:xml:ns:caldav}schedule-inbox' :
-							$type[$k] = t('Schedule Inbox');
-							break;
-						case '{urn:ietf:params:xml:ns:caldav}schedule-outbox' :
-							$type[$k] = t('Schedule Outbox');
-							break;
-						case '{http://calendarserver.org/ns/}calendar-proxy-read' :
-							$type[$k] = 'Proxy-Read';
-							break;
-						case '{http://calendarserver.org/ns/}calendar-proxy-write' :
-							$type[$k] = 'Proxy-Write';
-							break;
-					}
-				}
-				$type = implode(', ', $type);
-			}
-
-			// If no resourcetype was found, we attempt to use
-			// the contenttype property
-			if (!$type && isset($file[200]['{DAV:}getcontenttype'])) {
-				$type = $file[200]['{DAV:}getcontenttype'];
-			}
-			if (!$type) $type = t('Unknown');
-
-			$size = isset($file[200]['{DAV:}getcontentlength']) ? (int)$file[200]['{DAV:}getcontentlength'] : '';
-			$lastmodified = ((isset($file[200]['{DAV:}getlastmodified'])) ? $file[200]['{DAV:}getlastmodified']->getTime()->format('Y-m-d H:i:s') : '');
-
-			$fullPath = DAV\URLUtil::encodePath('/' . trim($this->server->getBaseUri() . ($path ? $path . '/' : '') . $name, '/'));
-
-
-			$displayName = isset($file[200]['{DAV:}displayname']) ? $file[200]['{DAV:}displayname'] : $name;
-
-			$displayName = $this->escapeHTML($displayName);
-			$type = $this->escapeHTML($type);
-
-			$icon = '';
-
-			if ($this->enableAssets) {
-				$node = $this->server->tree->getNodeForPath(($path ? $path . '/' : '') . $name);
-				foreach (array_reverse($this->iconMap) as $class=>$iconName) {
-					if ($node instanceof $class) {
-						$icon = '<a href="' . $fullPath . '"><img src="' . $this->getAssetUrl($iconName . $this->iconExtension) . '" alt="" width="24"></a>';
-						break;
-					}
-				}
-			}
-
-			$parentHash = '';
-			$owner = $this->auth->owner_id;
-			$splitPath = explode('/', $fullPath);
-			if (count($splitPath) > 3) {
-				for ($i = 3; $i < count($splitPath); $i++) {
-					$attachName = urldecode($splitPath[$i]);
-					$attachHash = $this->findAttachHash($owner, $parentHash, $attachName);
-					$parentHash = $attachHash;
-				}
-			}
-
-			$attachIcon = ""; // "<a href=\"attach/".$attachHash."\" title=\"".$displayName."\"><i class=\"icon-download\"></i></a>";
-
-			// put the array for this file together
-			$ft['attachId'] = $this->findAttachIdByHash($attachHash);
-			$ft['fileStorageUrl'] = substr($fullPath, 0, strpos($fullPath, "cloud/")) . "filestorage/" . $this->auth->getCurrentUser();
-			$ft['icon'] = $icon;
-			$ft['attachIcon'] = (($size) ? $attachIcon : '');
-			// @todo Should this be an item value, not a global one?
-			$ft['is_owner'] = $is_owner;
-			$ft['fullPath'] = $fullPath;
-			$ft['displayName'] = $displayName;
-			$ft['type'] = $type;
-			$ft['size'] = $size;
-			$ft['sizeFormatted'] = userReadableSize($size);
-			$ft['lastmodified'] = (($lastmodified) ? datetime_convert('UTC', date_default_timezone_get(), $lastmodified) : '');
-			$ft['iconFromType'] = getIconFromType($type);
-
-			$f[] = $ft;
-		}
-
-		$output = '';
-		if ($this->enablePost) {
-			$this->server->broadcastEvent('onHTMLActionsPanel', array($parent, &$output));
-		}
-
-		$html .= replace_macros(get_markup_template('cloud.tpl'), array(
-				'$header' => t('Files') . ": " . $this->escapeHTML($path) . "/",
-				'$total' => t('Total'),
-				'$actionspanel' => $output,
-				'$shared' => t('Shared'),
-				'$create' => t('Create'),
-				'$upload' => t('Upload'),
-				'$is_owner' => $is_owner,
-				'$parentpath' => $parentpath,
-				'$entries' => $f,
-				'$name' => t('Name'),
-				'$type' => t('Type'),
-				'$size' => t('Size'),
-				'$lastmod' => t('Last Modified'),
-				'$parent' => t('parent'),
-				'$edit' => t('Edit'),
-				'$delete' => t('Delete'),
-				'$nick' => $this->auth->getCurrentUser()
-			));
-
-		$a = get_app();
-		$a->page['content'] = $html;
-		load_pdl($a);
-
-		$theme_info_file = "view/theme/" . current_theme() . "/php/theme.php";
-		if (file_exists($theme_info_file)){
-			require_once($theme_info_file);
-			if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
-				$func = str_replace('-', '_', current_theme()) . '_init';
-				$func($a);
-			}
-		}
-		construct_page($a);
-	}
-
-	/**
-	 * @brief Creates a form to add new folders and upload files.
-	 *
-	 * @param \Sabre\DAV\INode $node
-	 * @param string &$output
-	 */
-	public function htmlActionsPanel(DAV\INode $node, &$output) {
-		if (! $node instanceof DAV\ICollection)
-			return;
-
-		// We also know fairly certain that if an object is a non-extended
-		// SimpleCollection, we won't need to show the panel either.
-		if (get_class($node) === 'Sabre\\DAV\\SimpleCollection')
-			return;
-
-		// Storage and quota for the account (all channels of the owner of this directory)!
-		$limit = service_class_fetch($owner, 'attach_upload_limit');
-		$r = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d",
-			intval($this->auth->channel_account_id)
-		);
-		$used = $r[0]['total'];
-		if ($used) {
-			$quotaDesc = t('You are using %1$s of your available file storage.');
-			$quotaDesc = sprintf($quotaDesc,
-				userReadableSize($used));
-		}
-		if ($limit && $used) {
-			$quotaDesc = t('You are using %1$s of %2$s available file storage. (%3$s&#37;)');
-			$quotaDesc = sprintf($quotaDesc,
-				userReadableSize($used),
-				userReadableSize($limit),
-				round($used / $limit, 1) * 100);
-		}
-
-		// prepare quota for template
-		$quota = array();
-		$quota['used'] = $used;
-		$quota['limit'] = $limit;
-		$quota['desc'] = $quotaDesc;
-		$quota['warning'] = ((($limit) && ((round($used / $limit, 1) * 100) >= 90)) ? t('WARNING:') : ''); // 10485760 bytes = 100MB
-
-		$output .= replace_macros(get_markup_template('cloud_actionspanel.tpl'), array(
-				'$folder_header' => t('Create new folder'),
-				'$folder_submit' => t('Create'),
-				'$upload_header' => t('Upload file'),
-				'$upload_submit' => t('Upload'),
-				'$quota' => $quota
-			));
-	}
-
-	/**
-	 * This method takes a path/name of an asset and turns it into url
-	 * suiteable for http access.
-	 *
-	 * @param string $assetName
-	 * @return string
-	 */
-	protected function getAssetUrl($assetName) {
-		return z_root() . '/cloud/?sabreAction=asset&assetName=' . urlencode($assetName);
-	}
-
-	/**
-	 * @brief Return the hash of an attachment.
-	 *
-	 * Given the owner, the parent folder and and attach name get the attachment
-	 * hash.
-	 * 
-	 * @param int $owner
-	 *  The owner_id
-	 * @param string $hash
-	 *  The parent's folder hash
-	 * @param string $attachName
-	 *  The name of the attachment
-	 * @return string
-	 */
-
-	protected function findAttachHash($owner, $parentHash, $attachName) {
-		$r = q("SELECT hash FROM attach WHERE uid = %d AND folder = '%s' AND filename = '%s' ORDER BY edited DESC LIMIT 1",
-			intval($owner),
-			dbesc($parentHash),
-			dbesc($attachName)
-		);
-		$hash = "";
-		if ($r) {
-			foreach ($r as $rr) {
-				$hash = $rr['hash'];
-			}
-		}
-		return $hash;
-	}
-
-	/**
-	 * @brief Returns an attachment's id for a given hash.
-	 *
-	 * This id is used to access the attachment in filestorage/
-	 *
-	 * @param string $attachHash
-	 *  The hash of an attachment
-	 * @return string
-	 */
-	protected function findAttachIdByHash($attachHash) {
-		$r = q("SELECT id FROM attach WHERE hash = '%s' ORDER BY edited DESC LIMIT 1",
-			dbesc($attachHash)
-		);
-		$id = "";
-		if ($r) {
-			foreach ($r as $rr) {
-				$id = $rr['id'];
-			}
-		}
-		return $id;
-	}
-}
diff --git a/include/RedDAV/RedDirectory.php b/include/RedDAV/RedDirectory.php
deleted file mode 100644
index 8d8af5bd3..000000000
--- a/include/RedDAV/RedDirectory.php
+++ /dev/null
@@ -1,536 +0,0 @@
-<?php
-
-namespace RedMatrix\RedDAV;
-
-use Sabre\DAV;
-
-/**
- * @brief RedDirectory class.
- *
- * A class that represents a directory.
- *
- * @extends \Sabre\DAV\Node
- * @implements \Sabre\DAV\ICollection
- * @implements \Sabre\DAV\IQuota
- *
- * @link http://github.com/friendica/red
- * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
- */
-class RedDirectory extends DAV\Node implements DAV\ICollection, DAV\IQuota {
-
-	/**
-	 * @brief The path inside /cloud
-	 *
-	 * @var string
-	 */
-	private $red_path;
-	private $folder_hash;
-	/**
-	 * @brief The full path as seen in the browser.
-	 * /cloud + $red_path
-	 * @todo I think this is not used anywhere, we always strip '/cloud' and only use it in debug
-	 * @var string
-	 */
-	private $ext_path;
-	private $root_dir = '';
-	private $auth;
-	/**
-	 * @brief The real path on the filesystem.
-	 * The actual path in store/ with the hashed names.
-	 *
-	 * @var string
-	 */
-	private $os_path = '';
-
-	/**
-	 * @brief Sets up the directory node, expects a full path.
-	 *
-	 * @param string $ext_path a full path
-	 * @param RedBasicAuth &$auth_plugin
-	 */
-	public function __construct($ext_path, &$auth_plugin) {
-//		$ext_path = urldecode($ext_path);
-		logger('directory ' . $ext_path, LOGGER_DATA);
-		$this->ext_path = $ext_path;
-		// remove "/cloud" from the beginning of the path
-		$modulename = get_app()->module; 
-		$this->red_path = ((strpos($ext_path, '/' . $modulename) === 0) ? substr($ext_path, strlen($modulename) + 1) : $ext_path);
-		if (! $this->red_path) {
-			$this->red_path = '/';
-		}
-		$this->auth = $auth_plugin;
-		$this->folder_hash = '';
-		$this->getDir();
-
-		if ($this->auth->browser) {
-			$this->auth->browser->set_writeable();
-		}
-	}
-
-	private function log() {
-		logger('ext_path ' . $this->ext_path, LOGGER_DATA);
-		logger('os_path  ' . $this->os_path, LOGGER_DATA);
-		logger('red_path ' . $this->red_path, LOGGER_DATA);
-	}
-
-	/**
-	 * @brief Returns an array with all the child nodes.
-	 *
-	 * @throw \Sabre\DAV\Exception\Forbidden
-	 * @return array \Sabre\DAV\INode[]
-	 */
-	public function getChildren() {
-		logger('children for ' . $this->ext_path, LOGGER_DATA);
-		$this->log();
-
-		if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$contents = RedCollectionData($this->red_path, $this->auth);
-		return $contents;
-	}
-
-	/**
-	 * @brief Returns a child by name.
-	 *
-	 *
-	 * @throw \Sabre\DAV\Exception\Forbidden
-	 * @throw \Sabre\DAV\Exception\NotFound
-	 * @param string $name
-	 */
-	public function getChild($name) {
-		logger($name, LOGGER_DATA);
-
-		if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$modulename = get_app()->module;
-		if ($this->red_path === '/' && $name === $modulename) {
-			return new RedDirectory('/' . $modulename, $this->auth);
-		}
-
-		$x = RedFileData($this->ext_path . '/' . $name, $this->auth);
-		if ($x) {
-			return $x;
-		}
-
-		throw new DAV\Exception\NotFound('The file with name: ' . $name . ' could not be found.');
-	}
-
-	/**
-	 * @brief Returns the name of the directory.
-	 *
-	 * @return string
-	 */
-	public function getName() {
-		//logger(basename($this->red_path), LOGGER_DATA);
-		return (basename($this->red_path));
-	}
-
-	/**
-	 * @brief Renames the directory.
-	 *
-	 * @todo handle duplicate directory name
-	 *
-	 * @throw \Sabre\DAV\Exception\Forbidden
-	 * @param string $name The new name of the directory.
-	 * @return void
-	 */
-	public function setName($name) {
-		logger('old name ' . basename($this->red_path) . ' -> ' . $name, LOGGER_DATA);
-
-		if ((! $name) || (! $this->auth->owner_id)) {
-			logger('permission denied ' . $name);
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
-			logger('permission denied '. $name);
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		list($parent_path, ) = DAV\URLUtil::splitPath($this->red_path);
-		$new_path = $parent_path . '/' . $name;
-
-		$r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND uid = %d",
-			dbesc($name),
-			dbesc($this->folder_hash),
-			intval($this->auth->owner_id)
-		);
-
-		$this->red_path = $new_path;
-	}
-
-	/**
-	 * @brief Creates a new file in the directory.
-	 *
-	 * Data will either be supplied as a stream resource, or in certain cases
-	 * as a string. Keep in mind that you may have to support either.
-	 *
-	 * After successful creation of the file, you may choose to return the ETag
-	 * of the new file here.
-	 *
-	 * @throw \Sabre\DAV\Exception\Forbidden
-	 * @param string $name Name of the file
-	 * @param resource|string $data Initial payload
-	 * @return null|string ETag
-	 */
-	public function createFile($name, $data = null) {
-		logger($name, LOGGER_DEBUG);
-
-		if (! $this->auth->owner_id) {
-			logger('permission denied ' . $name);
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
-			logger('permission denied ' . $name);
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$mimetype = z_mime_content_type($name);
-
-		$c = q("SELECT * FROM channel WHERE channel_id = %d AND channel_removed = 0 LIMIT 1",
-			intval($this->auth->owner_id)
-		);
-
-		if (! $c) {
-			logger('no channel');
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$filesize = 0;
-		$hash = random_string();
-
-		$f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
-
-		$direct = null;
-
-		if($this->folder_hash) {
-			$r = q("select * from attach where hash = '%s' and is_dir = 1 and uid = %d limit 1",
-				dbesc($this->folder_hash),
-				intval($c[0]['channel_id'])
-			);
-			if($r)
-				$direct = $r[0];
-		}
-
-		if(($direct) && (($direct['allow_cid']) || ($direct['allow_gid']) || ($direct['deny_cid']) || ($direct['deny_gid']))) {
-			$allow_cid = $direct['allow_cid'];
-			$allow_gid = $direct['allow_gid'];
-			$deny_cid = $direct['deny_cid'];
-			$deny_gid = $direct['deny_gid'];
-		}
-		else { 
-			$allow_cid = $c[0]['channel_allow_cid'];
-			$allow_gid = $c[0]['channel_allow_gid'];
-			$deny_cid = $c[0]['channel_deny_cid'];
-			$deny_gid = $c[0]['channel_deny_gid'];
-		}
-
-		$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, os_storage, filetype, filesize, revision, is_photo, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
-			VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
-			intval($c[0]['channel_account_id']),
-			intval($c[0]['channel_id']),
-			dbesc($hash),
-			dbesc($this->auth->observer),
-			dbesc($name),
-			dbesc($this->folder_hash),
-			intval(1),
-			dbesc($mimetype),
-			intval($filesize),
-			intval(0),
-			intval($is_photo),
-			dbesc($f),
-			dbesc(datetime_convert()),
-			dbesc(datetime_convert()),
-			dbesc($allow_cid),
-			dbesc($allow_gid),
-			dbesc($deny_cid),
-			dbesc($deny_gid)
-		);
-
-
-
-		// returns the number of bytes that were written to the file, or FALSE on failure
-		$size = file_put_contents($f, $data);
-		// delete attach entry if file_put_contents() failed
-		if ($size === false) {
-			logger('file_put_contents() failed to ' . $f);
-			attach_delete($c[0]['channel_id'], $hash);
-			return;
-		}
-
-		// returns now
-		$edited = datetime_convert();
-
-
-
-		$is_photo = 0;
-		$x = @getimagesize($f);
-		logger('getimagesize: ' . print_r($x,true), LOGGER_DATA); 
-		if(($x) && ($x[2] === IMAGETYPE_GIF || $x[2] === IMAGETYPE_JPEG || $x[2] === IMAGETYPE_PNG)) {
-			$is_photo = 1;
-		}
-
-
-		// updates entry with filesize and timestamp
-		$d = q("UPDATE attach SET filesize = '%s', is_photo = %d, edited = '%s' WHERE hash = '%s' AND uid = %d",
-			dbesc($size),
-			intval($is_photo),
-			dbesc($edited),
-			dbesc($hash),
-			intval($c[0]['channel_id'])
-		);
-
-		// update the folder's lastmodified timestamp
-		$e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d",
-			dbesc($edited),
-			dbesc($this->folder_hash),
-			intval($c[0]['channel_id'])
-		);
-
-		$maxfilesize = get_config('system', 'maxfilesize');
-		if (($maxfilesize) && ($size > $maxfilesize)) {
-			attach_delete($c[0]['channel_id'], $hash);
-			return;
-		}
-
-		// check against service class quota
-		$limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
-		if ($limit !== false) {
-			$x = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d ",
-				intval($c[0]['channel_account_id'])
-			);
-			if (($x) && ($x[0]['total'] + $size > $limit)) {
-				logger('service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
-				attach_delete($c[0]['channel_id'], $hash);
-				return;
-			}
-		}
-
-		if($is_photo) {
-			$album = '';
-			if($this->folder_hash) {
-				$f1 = q("select filename from attach WHERE hash = '%s' AND uid = %d",
-					dbesc($this->folder_hash),
-					intval($c[0]['channel_id'])
-				);
-				if($f1)
-					$album = $f1[0]['filename'];
-			}
-
-			require_once('include/photos.php');
-			$args = array( 'resource_id' => $hash, 'album' => $album, 'os_path' => $f, 'filename' => $name, 'getimagesize' => $x, 'directory' => $direct);
-			$p = photo_upload($c[0],get_app()->get_observer(),$args);
-		}
-
-	}
-
-	/**
-	 * @brief Creates a new subdirectory.
-	 *
-	 * @param string $name the directory to create
-	 * @return void
-	 */
-	public function createDirectory($name) {
-		logger($name, LOGGER_DEBUG);
-
-		if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$r = q("SELECT * FROM channel WHERE channel_id = %d AND channel_removed = 0 LIMIT 1",
-			intval($this->auth->owner_id)
-		);
-
-		if ($r) {
-			$result = attach_mkdir($r[0], $this->auth->observer, array('filename' => $name, 'folder' => $this->folder_hash));
-			if (! $result['success']) {
-				logger('error ' . print_r($result, true), LOGGER_DEBUG);
-			}
-		}
-	}
-
-	/**
-	 * @brief delete directory
-	 */
-
-	public function delete() {
-		logger('delete file ' . basename($this->red_path), LOGGER_DEBUG);
-
-		if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if ($this->auth->owner_id !== $this->auth->channel_id) {
-			if (($this->auth->observer !== $this->data['creator']) || intval($this->data['is_dir'])) {
-				throw new DAV\Exception\Forbidden('Permission denied.');
-			}
-		}
-
-		attach_delete($this->auth->owner_id, $this->folder_hash);
-	}
-
-
-	/**
-	 * @brief Checks if a child exists.
-	 *
-	 * @param string $name
-	 *  The name to check if it exists.
-	 * @return boolean
-	 */
-	public function childExists($name) {
-		// On /cloud we show a list of available channels.
-		// @todo what happens if no channels are available?
-		$modulename = get_app()->module;
-		if ($this->red_path === '/' && $name === $modulename) {
-			//logger('We are at ' $modulename . ' show a channel list', LOGGER_DEBUG);
-			return true;
-		}
-
-		$x = RedFileData($this->ext_path . '/' . $name, $this->auth, true);
-		//logger('RedFileData returns: ' . print_r($x, true), LOGGER_DATA);
-		if ($x)
-			return true;
-
-		return false;
-	}
-
-	/**
-	 * @todo add description of what this function does.
-	 *
-	 * @throw \Sabre\DAV\Exception\NotFound
-	 * @return void
-	 */
-	function getDir() {
-
-		logger('GetDir: ' . $this->ext_path, LOGGER_DEBUG);
-		$this->auth->log();
-		$modulename = get_app()->module;
-
-		$file = $this->ext_path;
-
-		$x = strpos($file, '/' . $modulename);
-		if ($x === 0) {
-			$file = substr($file, strlen($modulename) + 1);
-		}
-
-		if ((! $file) || ($file === '/')) {
-			return;
-		}
-
-		$file = trim($file, '/');
-		$path_arr = explode('/', $file);
-
-		if (! $path_arr)
-			return;
-
-		logger('paths: ' . print_r($path_arr, true), LOGGER_DATA);
-
-		$channel_name = $path_arr[0];
-
-		$r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' AND channel_removed = 0 LIMIT 1",
-			dbesc($channel_name)
-		);
-
-		if (! $r) {
-			throw new DAV\Exception\NotFound('The file with name: ' . $channel_name . ' could not be found.');
-		}
-
-		$channel_id = $r[0]['channel_id'];
-		$this->auth->owner_id = $channel_id;
-		$this->auth->owner_nick = $channel_name;
-
-		$path = '/' . $channel_name;
-		$folder = '';
-		$os_path = '';
-
-		for ($x = 1; $x < count($path_arr); $x++) {
-			$r = q("select id, hash, filename, flags, is_dir from attach where folder = '%s' and filename = '%s' and uid = %d and is_dir != 0",
-				dbesc($folder),
-				dbesc($path_arr[$x]),
-				intval($channel_id)
-			);
-			if ($r && intval($r[0]['is_dir'])) {
-				$folder = $r[0]['hash'];
-				if (strlen($os_path))
-					$os_path .= '/';
-				$os_path .= $folder;
-
-				$path = $path . '/' . $r[0]['filename'];
-			}
-		}
-		$this->folder_hash = $folder;
-		$this->os_path = $os_path;
-	}
-
-	/**
-	 * @brief Returns the last modification time for the directory, as a UNIX
-	 * timestamp.
-	 *
-	 * It looks for the last edited file in the folder. If it is an empty folder
-	 * it returns the lastmodified time of the folder itself, to prevent zero
-	 * timestamps.
-	 *
-	 * @return int last modification time in UNIX timestamp
-	 */
-	public function getLastModified() {
-		$r = q("SELECT edited FROM attach WHERE folder = '%s' AND uid = %d ORDER BY edited DESC LIMIT 1",
-			dbesc($this->folder_hash),
-			intval($this->auth->owner_id)
-		);
-		if (! $r) {
-			$r = q("SELECT edited FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
-				dbesc($this->folder_hash),
-				intval($this->auth->owner_id)
-			);
-			if (! $r)
-				return '';
-		}
-		return datetime_convert('UTC', 'UTC', $r[0]['edited'], 'U');
-	}
-
-	/**
-	 * @brief Return quota usage.
-	 *
-	 * @fixme Should guests relly see the used/free values from filesystem of the
-	 * complete store directory?
-	 *
-	 * @return array with used and free values in bytes.
-	 */
-	public function getQuotaInfo() {
-		// values from the filesystem of the complete <i>store/</i> directory
-		$limit = disk_total_space('store');
-		$free = disk_free_space('store');
-
-		if ($this->auth->owner_id) {
-			$c = q("select * from channel where channel_id = %d and channel_removed = 0 limit 1",
-				intval($this->auth->owner_id)
-			);
-
-			$ulimit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
-			$limit = (($ulimit) ? $ulimit : $limit);
-
-			$x = q("select sum(filesize) as total from attach where aid = %d",
-				intval($c[0]['channel_account_id'])
-			);
-			$free = (($x) ? $limit - $x[0]['total'] : 0);
-		}
-
-		return array(
-			$limit - $free,
-			$free
-		);
-	}
-}
\ No newline at end of file
diff --git a/include/RedDAV/RedFile.php b/include/RedDAV/RedFile.php
deleted file mode 100644
index 3283a6e88..000000000
--- a/include/RedDAV/RedFile.php
+++ /dev/null
@@ -1,322 +0,0 @@
-<?php
-
-namespace RedMatrix\RedDAV;
-
-use Sabre\DAV;
-
-/**
- * @brief This class represents a file in DAV.
- *
- * It provides all functions to work with files in Red's cloud through DAV protocol.
- *
- * @extends \Sabre\DAV\Node
- * @implements \Sabre\DAV\IFile
- *
- * @link http://github.com/friendica/red
- * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
- */
-class RedFile extends DAV\Node implements DAV\IFile {
-
-	/**
-	 * The file from attach table.
-	 *
-	 * @var array
-	 *  data
-	 *  flags
-	 *  filename (string)
-	 *  filetype (string)
-	 */
-	private $data;
-	/**
-	 * @see \Sabre\DAV\Auth\Backend\BackendInterface
-	 * @var \RedMatrix\RedDAV\RedBasicAuth
-	 */
-	private $auth;
-	/**
-	 * @var string
-	 */
-	private $name;
-
-	/**
-	 * Sets up the node, expects a full path name.
-	 *
-	 * @param string $name
-	 * @param array $data from attach table
-	 * @param &$auth
-	 */
-	public function __construct($name, $data, &$auth) {
-		$this->name = $name;
-		$this->data = $data;
-		$this->auth = $auth;
-
-		logger(print_r($this->data, true), LOGGER_DATA);
-	}
-
-	/**
-	 * @brief Returns the name of the file.
-	 *
-	 * @return string
-	 */
-	public function getName() {
-		//logger(basename($this->name), LOGGER_DATA);
-		return basename($this->name);
-	}
-
-	/**
-	 * @brief Renames the file.
-	 *
-	 * @throw Sabre\DAV\Exception\Forbidden
-	 * @param string $name The new name of the file.
-	 * @return void
-	 */
-	public function setName($newName) {
-		logger('old name ' . basename($this->name) . ' -> ' . $newName, LOGGER_DATA);
-
-		if ((! $newName) || (! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
-			logger('permission denied '. $newName);
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		$newName = str_replace('/', '%2F', $newName);
-
-		$r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND id = %d",
-			dbesc($newName),
-			dbesc($this->data['hash']),
-			intval($this->data['id'])
-		);
-	}
-
-	/**
-	 * @brief Updates the data of the file.
-	 *
-	 * @param resource $data
-	 * @return void
-	 */
-	public function put($data) {
-		logger('put file: ' . basename($this->name), LOGGER_DEBUG);
-		$size = 0;
-
-		// @todo only 3 values are needed
-		$c = q("SELECT * FROM channel WHERE channel_id = %d AND channel_removed = 0 LIMIT 1",
-			intval($this->auth->owner_id)
-		);
-
-		$is_photo = false;
-		$album = '';
-
-		$r = q("SELECT flags, folder, os_storage, filename, is_photo FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
-			dbesc($this->data['hash']),
-			intval($c[0]['channel_id'])
-		);
-		if ($r) {
-			if (intval($r[0]['os_storage'])) {
-				$d = q("select folder, data from attach where hash = '%s' and uid = %d limit 1",
-					dbesc($this->data['hash']),
-					intval($c[0]['channel_id'])
-				);
-				if($d) {
-					if($d[0]['folder']) {
-						$f1 = q("select * from attach where is_dir = 1 and hash = '%s' and uid = %d limit 1",
-							dbesc($d[0]['folder']),
-							intval($c[0]['channel_id'])
-						);
-						if($f1) {
-							$album = $f1[0]['filename'];
-							$direct = $f1[0];
-						}
-					}	
-					$fname = dbunescbin($d[0]['data']);
-					if(strpos($fname,'store') === false)
-						$f = 'store/' . $this->auth->owner_nick . '/' . $fname ;
-					else
-						$f = $fname;
-
-					// @todo check return value and set $size directly
-					@file_put_contents($f, $data);
-					$size = @filesize($f);
-					logger('filename: ' . $f . ' size: ' . $size, LOGGER_DEBUG);
-				}
-				$gis = @getimagesize($f);
-				logger('getimagesize: ' . print_r($gis,true), LOGGER_DATA); 
-				if(($gis) && ($gis[2] === IMAGETYPE_GIF || $gis[2] === IMAGETYPE_JPEG || $gis[2] === IMAGETYPE_PNG)) {
-					$is_photo = 1;
-				}
-			} 
-			else {
-				// this shouldn't happen any more
-				$r = q("UPDATE attach SET data = '%s' WHERE hash = '%s' AND uid = %d",
-					dbescbin(stream_get_contents($data)),
-					dbesc($this->data['hash']),
-					intval($this->data['uid'])
-				);
-				$r = q("SELECT length(data) AS fsize FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
-					dbesc($this->data['hash']),
-					intval($this->data['uid'])
-				);
-				if ($r) {
-					$size = $r[0]['fsize'];
-				}
-			}
-		}
-
-		// returns now()
-		$edited = datetime_convert();
-
-		$d = q("UPDATE attach SET filesize = '%s', is_photo = %d, edited = '%s' WHERE hash = '%s' AND uid = %d",
-			dbesc($size),
-			intval($is_photo),
-			dbesc($edited),
-			dbesc($this->data['hash']),
-			intval($c[0]['channel_id'])
-		);
-
-		if($is_photo) {
-			require_once('include/photos.php');
-			$args = array( 'resource_id' => $this->data['hash'], 'album' => $album, 'os_path' => $f, 'filename' => $r[0]['filename'], 'getimagesize' => $gis, 'directory' => $direct );
-			$p = photo_upload($c[0],get_app()->get_observer(),$args);
-		}
-
-		// update the folder's lastmodified timestamp
-		$e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d",
-			dbesc($edited),
-			dbesc($r[0]['folder']),
-			intval($c[0]['channel_id'])
-		);
-
-		// @todo do we really want to remove the whole file if an update fails
-		// because of maxfilesize or quota?
-		// There is an Exception "InsufficientStorage" or "PaymentRequired" for
-		// our service class from SabreDAV we could use.
-
-		$maxfilesize = get_config('system', 'maxfilesize');
-		if (($maxfilesize) && ($size > $maxfilesize)) {
-			attach_delete($c[0]['channel_id'], $this->data['hash']);
-			return;
-		}
-
-		$limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
-		if ($limit !== false) {
-			$x = q("select sum(filesize) as total from attach where aid = %d ",
-				intval($c[0]['channel_account_id'])
-			);
-			if (($x) && ($x[0]['total'] + $size > $limit)) {
-				logger('service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
-				attach_delete($c[0]['channel_id'], $this->data['hash']);
-				return;
-			}
-		}
-	}
-
-	/**
-	 * @brief Returns the raw data.
-	 *
-	 * @return string
-	 */
-	public function get() {
-		logger('get file ' . basename($this->name), LOGGER_DEBUG);
-		logger('os_path: ' . $this->os_path, LOGGER_DATA);
-
-		$r = q("SELECT data, flags, os_storage, filename, filetype FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
-			dbesc($this->data['hash']),
-			intval($this->data['uid'])
-		);
-		if ($r) {
-			// @todo this should be a global definition
-			$unsafe_types = array('text/html', 'text/css', 'application/javascript');
-
-			if (in_array($r[0]['filetype'], $unsafe_types)) {
-				header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"');
-				header('Content-type: text/plain');
-			}
-
-			if (intval($r[0]['os_storage'])) {
-				$x = dbunescbin($r[0]['data']);
-				if(strpos($x,'store') === false)
-					$f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $x;
-				else
-					$f = $x;
-				return fopen($f, 'rb');
-			}
-			return dbunescbin($r[0]['data']);
-		}
-	}
-
-	/**
-	 * @brief Returns the ETag for a file.
-	 *
-	 * An ETag is a unique identifier representing the current version of the file.
-	 * If the file changes, the ETag MUST change.
-	 * The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
-	 *
-	 * Return null if the ETag can not effectively be determined.
-	 *
-	 * @return null|string
-	 */
-	public function getETag() {
-		$ret = null;
-		if ($this->data['hash']) {
-			$ret = '"' . $this->data['hash'] . '"';
-		}
-		return $ret;
-	}
-
-	/**
-	 * @brief Returns the mime-type for a file.
-	 *
-	 * If null is returned, we'll assume application/octet-stream
-	 *
-	 * @return mixed
-	 */
-	public function getContentType() {
-		// @todo this should be a global definition.
-		$unsafe_types = array('text/html', 'text/css', 'application/javascript');
-		if (in_array($this->data['filetype'], $unsafe_types)) {
-			return 'text/plain';
-		}
-		return $this->data['filetype'];
-	}
-
-	/**
-	 * @brief Returns the size of the node, in bytes.
-	 *
-	 * @return int
-	 *  filesize in bytes
-	 */
-	public function getSize() {
-		return $this->data['filesize'];
-	}
-
-	/**
-	 * @brief Returns the last modification time for the file, as a unix
-	 *        timestamp.
-	 *
-	 * @return int last modification time in UNIX timestamp
-	 */
-	public function getLastModified() {
-		return datetime_convert('UTC', 'UTC', $this->data['edited'], 'U');
-	}
-
-	/**
-	 * @brief Delete the file.
-	 *
-	 * This method checks the permissions and then calls attach_delete() function
-	 * to actually remove the file.
-	 *
-	 * @throw \Sabre\DAV\Exception\Forbidden
-	 */
-	public function delete() {
-		logger('delete file ' . basename($this->name), LOGGER_DEBUG);
-
-		if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
-			throw new DAV\Exception\Forbidden('Permission denied.');
-		}
-
-		if ($this->auth->owner_id !== $this->auth->channel_id) {
-			if (($this->auth->observer !== $this->data['creator']) || intval($this->data['is_dir'])) {
-				throw new DAV\Exception\Forbidden('Permission denied.');
-			}
-		}
-
-		attach_delete($this->auth->owner_id, $this->data['hash']);
-	}
-}
diff --git a/include/network.php b/include/network.php
index aa6b54945..ecaf4e05f 100644
--- a/include/network.php
+++ b/include/network.php
@@ -294,8 +294,8 @@ function z_post_url_json($url, $params, $redirects = 0, $opts = array()) {
 }
 
 
-function json_return_and_die($x) {
-	header("content-type: application/json");
+function json_return_and_die($x, $content_type = 'application/json') {
+	header("Content-type: $content_type");
 	echo json_encode($x);
 	killme();
 }
diff --git a/include/reddav.php b/include/reddav.php
index c592597a9..a0bd1b1fc 100644
--- a/include/reddav.php
+++ b/include/reddav.php
@@ -19,13 +19,13 @@
  */
 
 use Sabre\DAV;
-use RedMatrix\RedDAV;
+use Zotlabs\Storage;
 
 require_once('vendor/autoload.php');
 require_once('include/attach.php');
-require_once('include/RedDAV/RedFile.php');
-require_once('include/RedDAV/RedDirectory.php');
-require_once('include/RedDAV/RedBasicAuth.php');
+//require_once('Zotlabs/Storage/File.php');
+//require_once('Zotlabs/Storage/Directory.php');
+//require_once('Zotlabs/Storage/BasicAuth.php');
 
 /**
  * @brief Returns an array with viewable channels.
@@ -51,7 +51,7 @@ function RedChannelList(&$auth) {
 			if (perm_is_allowed($rr['channel_id'], $auth->observer, 'view_storage')) {
 				logger('found channel: /cloud/' . $rr['channel_address'], LOGGER_DATA);
 				// @todo can't we drop '/cloud'? It gets stripped off anyway in RedDirectory
-				$ret[] = new RedDAV\RedDirectory('/cloud/' . $rr['channel_address'], $auth);
+				$ret[] = new Zotlabs\Storage\Directory('/cloud/' . $rr['channel_address'], $auth);
 			}
 		}
 	}
@@ -167,9 +167,9 @@ function RedCollectionData($file, &$auth) {
 	foreach ($r as $rr) {
 		//logger('filename: ' . $rr['filename'], LOGGER_DEBUG);
 		if (intval($rr['is_dir'])) {
-			$ret[] = new RedDAV\RedDirectory($path . '/' . $rr['filename'], $auth);
+			$ret[] = new Zotlabs\Storage\Directory($path . '/' . $rr['filename'], $auth);
 		} else {
-			$ret[] = new RedDAV\RedFile($path . '/' . $rr['filename'], $rr, $auth);
+			$ret[] = new Zotlabs\Storage\File($path . '/' . $rr['filename'], $rr, $auth);
 		}
 	}
 
@@ -204,7 +204,7 @@ function RedFileData($file, &$auth, $test = false) {
 
 
 	if ((! $file) || ($file === '/')) {
-		return new RedDAV\RedDirectory('/', $auth);
+		return new Zotlabs\Storage\Directory('/', $auth);
 	}
 
 	$file = trim($file, '/');
@@ -274,7 +274,7 @@ function RedFileData($file, &$auth, $test = false) {
 		if ($test)
 			return true;
 		// final component was a directory.
-		return new RedDAV\RedDirectory($file, $auth);
+		return new Zotlabs\Storage\Directory($file, $auth);
 	}
 
 	if ($errors) {
@@ -293,9 +293,9 @@ function RedFileData($file, &$auth, $test = false) {
 			return true;
 
 		if (intval($r[0]['is_dir'])) {
-			return new RedDAV\RedDirectory($path . '/' . $r[0]['filename'], $auth);
+			return new Zotlabs\Storage\Directory($path . '/' . $r[0]['filename'], $auth);
 		} else {
-			return new RedDAV\RedFile($path . '/' . $r[0]['filename'], $r[0], $auth);
+			return new Zotlabs\Storage\File($path . '/' . $r[0]['filename'], $r[0], $auth);
 		}
 	}
 	return false;