bc2ad74813
When you deleted a file in /cloud you was always jumped back to /cloud/[channel], now you will stay in the parent folder. Some more doxygen documentation. Removed duplicate data from logging output and reduced logging in RedDAV in general.
462 lines
13 KiB
PHP
462 lines
13 KiB
PHP
<?php
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namespace RedMatrix\RedDAV;
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use Sabre\DAV;
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/**
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* @brief RedDirectory class.
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*
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* A class that represents a directory.
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*
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* @extends \Sabre\DAV\Node
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* @implements \Sabre\DAV\ICollection
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* @implements \Sabre\DAV\IQuota
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*
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* @link http://github.com/friendica/red
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* @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
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*/
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class RedDirectory extends DAV\Node implements DAV\ICollection, DAV\IQuota {
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/**
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* @brief The path inside /cloud
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*
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* @var string
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*/
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private $red_path;
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private $folder_hash;
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/**
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* @brief The full path as seen in the browser.
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* /cloud + $red_path
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* @todo I think this is not used anywhere, we always strip '/cloud' and only use it in debug
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* @var string
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*/
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private $ext_path;
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private $root_dir = '';
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private $auth;
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/**
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* @brief The real path on the filesystem.
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* The actual path in store/ with the hashed names.
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*
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* @var string
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*/
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private $os_path = '';
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/**
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* @brief Sets up the directory node, expects a full path.
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*
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* @param string $ext_path a full path
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* @param RedBasicAuth &$auth_plugin
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*/
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public function __construct($ext_path, &$auth_plugin) {
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//logger('directory ' . $ext_path, LOGGER_DATA);
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$this->ext_path = $ext_path;
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// remove "/cloud" from the beginning of the path
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$this->red_path = ((strpos($ext_path, '/cloud') === 0) ? substr($ext_path, 6) : $ext_path);
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if (! $this->red_path) {
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$this->red_path = '/';
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}
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$this->auth = $auth_plugin;
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$this->folder_hash = '';
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$this->getDir();
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if ($this->auth->browser) {
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$this->auth->browser->set_writeable();
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}
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}
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private function log() {
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logger('ext_path ' . $this->ext_path, LOGGER_DATA);
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logger('os_path ' . $this->os_path, LOGGER_DATA);
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logger('red_path ' . $this->red_path, LOGGER_DATA);
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}
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/**
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* @brief Returns an array with all the child nodes.
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*
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* @throw \Sabre\DAV\Exception\Forbidden
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* @return array \Sabre\DAV\INode[]
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*/
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public function getChildren() {
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//logger('children for ' . $this->ext_path, LOGGER_DATA);
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$this->log();
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if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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$contents = RedCollectionData($this->red_path, $this->auth);
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return $contents;
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}
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/**
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* @brief Returns a child by name.
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*
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*
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* @throw \Sabre\DAV\Exception\Forbidden
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* @throw \Sabre\DAV\Exception\NotFound
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* @param string $name
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*/
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public function getChild($name) {
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logger($name, LOGGER_DATA);
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if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if ($this->red_path === '/' && $name === 'cloud') {
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return new RedDirectory('/cloud', $this->auth);
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}
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$x = RedFileData($this->ext_path . '/' . $name, $this->auth);
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if ($x) {
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return $x;
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}
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throw new DAV\Exception\NotFound('The file with name: ' . $name . ' could not be found.');
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}
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/**
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* @brief Returns the name of the directory.
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*
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* @return string
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*/
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public function getName() {
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//logger(basename($this->red_path), LOGGER_DATA);
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return (basename($this->red_path));
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}
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/**
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* @brief Renames the directory.
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*
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* @todo handle duplicate directory name
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*
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* @throw \Sabre\DAV\Exception\Forbidden
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* @param string $name The new name of the directory.
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* @return void
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*/
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public function setName($name) {
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logger('old name ' . basename($this->red_path) . ' -> ' . $name, LOGGER_DATA);
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if ((! $name) || (! $this->auth->owner_id)) {
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logger('permission denied ' . $name);
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
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logger('permission denied '. $name);
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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list($parent_path, ) = DAV\URLUtil::splitPath($this->red_path);
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$new_path = $parent_path . '/' . $name;
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$r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
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dbesc($name),
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dbesc($this->folder_hash),
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intval($this->auth->owner_id)
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);
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$this->red_path = $new_path;
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}
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/**
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* @brief Creates a new file in the directory.
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*
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* Data will either be supplied as a stream resource, or in certain cases
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* as a string. Keep in mind that you may have to support either.
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*
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* After successful creation of the file, you may choose to return the ETag
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* of the new file here.
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*
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* @throw \Sabre\DAV\Exception\Forbidden
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* @param string $name Name of the file
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* @param resource|string $data Initial payload
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* @return null|string ETag
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*/
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public function createFile($name, $data = null) {
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logger($name, LOGGER_DEBUG);
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if (! $this->auth->owner_id) {
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logger('permission denied ' . $name);
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
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logger('permission denied ' . $name);
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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$mimetype = z_mime_content_type($name);
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$c = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
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intval($this->auth->owner_id),
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intval(PAGE_REMOVED)
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);
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if (! $c) {
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logger('no channel');
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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$filesize = 0;
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$hash = random_string();
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$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, flags, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
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intval($c[0]['channel_account_id']),
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intval($c[0]['channel_id']),
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dbesc($hash),
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dbesc($this->auth->observer),
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dbesc($name),
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dbesc($this->folder_hash),
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dbesc(ATTACH_FLAG_OS),
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dbesc($mimetype),
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intval($filesize),
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intval(0),
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dbesc($this->os_path . '/' . $hash),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc($c[0]['channel_allow_cid']),
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dbesc($c[0]['channel_allow_gid']),
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dbesc($c[0]['channel_deny_cid']),
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dbesc($c[0]['channel_deny_gid'])
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);
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$f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
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// returns the number of bytes that were written to the file, or FALSE on failure
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$size = file_put_contents($f, $data);
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// delete attach entry if file_put_contents() failed
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if ($size === false) {
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logger('file_put_contents() failed to ' . $f);
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attach_delete($c[0]['channel_id'], $hash);
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return;
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}
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// returns now
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$edited = datetime_convert();
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// updates entry with filesize and timestamp
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$d = q("UPDATE attach SET filesize = '%s', edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
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dbesc($size),
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dbesc($edited),
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dbesc($hash),
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intval($c[0]['channel_id'])
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);
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// update the folder's lastmodified timestamp
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$e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
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dbesc($edited),
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dbesc($this->folder_hash),
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intval($c[0]['channel_id'])
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);
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$maxfilesize = get_config('system', 'maxfilesize');
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if (($maxfilesize) && ($size > $maxfilesize)) {
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attach_delete($c[0]['channel_id'], $hash);
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return;
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}
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// check against service class quota
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$limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
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if ($limit !== false) {
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$x = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d ",
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intval($c[0]['channel_account_id'])
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);
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if (($x) && ($x[0]['total'] + $size > $limit)) {
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logger('service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
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attach_delete($c[0]['channel_id'], $hash);
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return;
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}
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}
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}
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/**
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* @brief Creates a new subdirectory.
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*
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* @param string $name the directory to create
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* @return void
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*/
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public function createDirectory($name) {
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logger($name, LOGGER_DEBUG);
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if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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$r = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
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intval($this->auth->owner_id),
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intval(PAGE_REMOVED)
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);
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if ($r) {
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$result = attach_mkdir($r[0], $this->auth->observer, array('filename' => $name, 'folder' => $this->folder_hash));
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if (! $result['success']) {
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logger('error ' . print_r($result, true), LOGGER_DEBUG);
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}
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}
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}
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/**
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* @brief Checks if a child exists.
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*
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* @param string $name
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* The name to check if it exists.
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* @return boolean
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*/
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public function childExists($name) {
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// On /cloud we show a list of available channels.
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// @todo what happens if no channels are available?
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if ($this->red_path === '/' && $name === 'cloud') {
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//logger('We are at /cloud show a channel list', LOGGER_DEBUG);
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return true;
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}
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$x = RedFileData($this->ext_path . '/' . $name, $this->auth, true);
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//logger('RedFileData returns: ' . print_r($x, true), LOGGER_DATA);
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if ($x)
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return true;
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return false;
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}
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/**
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* @todo add description of what this function does.
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*
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* @throw \Sabre\DAV\Exception\NotFound
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* @return void
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*/
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function getDir() {
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//logger($this->ext_path, LOGGER_DEBUG);
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$this->auth->log();
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$file = $this->ext_path;
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$x = strpos($file, '/cloud');
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if ($x === false)
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return;
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if ($x === 0) {
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$file = substr($file, 6);
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}
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if ((! $file) || ($file === '/')) {
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return;
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}
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$file = trim($file, '/');
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$path_arr = explode('/', $file);
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if (! $path_arr)
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return;
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logger('paths: ' . print_r($path_arr, true), LOGGER_DATA);
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$channel_name = $path_arr[0];
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$r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' AND NOT ( channel_pageflags & %d ) LIMIT 1",
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dbesc($channel_name),
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intval(PAGE_REMOVED)
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);
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if (! $r) {
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throw new DAV\Exception\NotFound('The file with name: ' . $channel_name . ' could not be found.');
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}
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$channel_id = $r[0]['channel_id'];
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$this->auth->owner_id = $channel_id;
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$this->auth->owner_nick = $channel_name;
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$path = '/' . $channel_name;
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$folder = '';
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$os_path = '';
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for ($x = 1; $x < count($path_arr); $x++) {
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$r = q("select id, hash, filename, flags from attach where folder = '%s' and filename = '%s' and uid = %d and (flags & %d)",
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dbesc($folder),
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dbesc($path_arr[$x]),
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intval($channel_id),
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intval(ATTACH_FLAG_DIR)
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);
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if ($r && ( $r[0]['flags'] & ATTACH_FLAG_DIR)) {
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$folder = $r[0]['hash'];
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if (strlen($os_path))
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$os_path .= '/';
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$os_path .= $folder;
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$path = $path . '/' . $r[0]['filename'];
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}
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}
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$this->folder_hash = $folder;
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$this->os_path = $os_path;
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}
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/**
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* @brief Returns the last modification time for the directory, as a UNIX
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* timestamp.
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*
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* It looks for the last edited file in the folder. If it is an empty folder
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* it returns the lastmodified time of the folder itself, to prevent zero
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* timestamps.
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*
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* @return int last modification time in UNIX timestamp
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*/
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public function getLastModified() {
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$r = q("SELECT edited FROM attach WHERE folder = '%s' AND uid = %d ORDER BY edited DESC LIMIT 1",
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dbesc($this->folder_hash),
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intval($this->auth->owner_id)
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);
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if (! $r) {
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$r = q("SELECT edited FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
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dbesc($this->folder_hash),
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intval($this->auth->owner_id)
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);
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if (! $r)
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return '';
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}
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return datetime_convert('UTC', 'UTC', $r[0]['edited'], 'U');
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}
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/**
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* @brief Return quota usage.
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*
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* @fixme Should guests relly see the used/free values from filesystem of the
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* complete store directory?
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*
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* @return array with used and free values in bytes.
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*/
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public function getQuotaInfo() {
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// values from the filesystem of the complete <i>store/</i> directory
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$limit = disk_total_space('store');
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$free = disk_free_space('store');
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if ($this->auth->owner_id) {
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$c = q("select * from channel where channel_id = %d and not (channel_pageflags & %d) limit 1",
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intval($this->auth->owner_id),
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intval(PAGE_REMOVED)
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);
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$ulimit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
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$limit = (($ulimit) ? $ulimit : $limit);
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$x = q("select sum(filesize) as total from attach where aid = %d",
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intval($c[0]['channel_account_id'])
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);
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$free = (($x) ? $limit - $x[0]['total'] : 0);
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}
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return array(
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$limit - $free,
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$free
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);
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}
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} |