mirror of
https://github.com/YunoHost-Apps/hubzilla_ynh.git
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536 lines
No EOL
15 KiB
PHP
536 lines
No EOL
15 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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// $ext_path = urldecode($ext_path);
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logger('directory ' . $ext_path, LOGGER_DATA);
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$this->ext_path = $ext_path;
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// remove "/cloud" from the beginning of the path
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$modulename = get_app()->module;
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$this->red_path = ((strpos($ext_path, '/' . $modulename) === 0) ? substr($ext_path, strlen($modulename) + 1) : $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, $this->auth->observer, 'view_storage'))) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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$modulename = get_app()->module;
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if ($this->red_path === '/' && $name === $modulename) {
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return new RedDirectory('/' . $modulename, $this->auth);
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}
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$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",
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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 channel_removed = 0 LIMIT 1",
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intval($this->auth->owner_id)
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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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$hash = random_string();
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$f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
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$direct = null;
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if($this->folder_hash) {
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$r = q("select * from attach where hash = '%s' and is_dir = 1 and uid = %d limit 1",
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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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if($r)
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$direct = $r[0];
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}
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if(($direct) && (($direct['allow_cid']) || ($direct['allow_gid']) || ($direct['deny_cid']) || ($direct['deny_gid']))) {
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$allow_cid = $direct['allow_cid'];
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$allow_gid = $direct['allow_gid'];
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$deny_cid = $direct['deny_cid'];
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$deny_gid = $direct['deny_gid'];
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}
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else {
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$allow_cid = $c[0]['channel_allow_cid'];
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$allow_gid = $c[0]['channel_allow_gid'];
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$deny_cid = $c[0]['channel_deny_cid'];
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$deny_gid = $c[0]['channel_deny_gid'];
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}
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$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 )
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %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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intval(1),
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dbesc($mimetype),
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intval($filesize),
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intval(0),
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intval($is_photo),
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dbesc($f),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc($allow_cid),
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dbesc($allow_gid),
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dbesc($deny_cid),
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dbesc($deny_gid)
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);
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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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$is_photo = 0;
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$x = @getimagesize($f);
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logger('getimagesize: ' . print_r($x,true), LOGGER_DATA);
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if(($x) && ($x[2] === IMAGETYPE_GIF || $x[2] === IMAGETYPE_JPEG || $x[2] === IMAGETYPE_PNG)) {
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$is_photo = 1;
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}
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// updates entry with filesize and timestamp
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$d = q("UPDATE attach SET filesize = '%s', is_photo = %d, edited = '%s' WHERE hash = '%s' AND uid = %d",
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dbesc($size),
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intval($is_photo),
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dbesc($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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$e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d",
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dbesc($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'], $hash);
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return;
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}
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}
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if($is_photo) {
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$album = '';
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if($this->folder_hash) {
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$f1 = q("select filename from attach WHERE hash = '%s' AND uid = %d",
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dbesc($this->folder_hash),
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intval($c[0]['channel_id'])
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);
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if($f1)
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$album = $f1[0]['filename'];
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}
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require_once('include/photos.php');
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$args = array( 'resource_id' => $hash, 'album' => $album, 'os_path' => $f, 'filename' => $name, 'getimagesize' => $x, 'directory' => $direct);
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$p = photo_upload($c[0],get_app()->get_observer(),$args);
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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 channel_removed = 0 LIMIT 1",
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intval($this->auth->owner_id)
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);
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if ($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 delete directory
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*/
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public function delete() {
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logger('delete file ' . basename($this->red_path), LOGGER_DEBUG);
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if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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if ($this->auth->owner_id !== $this->auth->channel_id) {
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if (($this->auth->observer !== $this->data['creator']) || intval($this->data['is_dir'])) {
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throw new DAV\Exception\Forbidden('Permission denied.');
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}
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}
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attach_delete($this->auth->owner_id, $this->folder_hash);
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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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$modulename = get_app()->module;
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if ($this->red_path === '/' && $name === $modulename) {
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//logger('We are at ' $modulename . ' show a channel list', LOGGER_DEBUG);
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return true;
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}
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$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('GetDir: ' . $this->ext_path, LOGGER_DEBUG);
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$this->auth->log();
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$modulename = get_app()->module;
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$file = $this->ext_path;
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$x = strpos($file, '/' . $modulename);
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if ($x === 0) {
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$file = substr($file, strlen($modulename) + 1);
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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 channel_removed = 0 LIMIT 1",
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dbesc($channel_name)
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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, is_dir from attach where folder = '%s' and filename = '%s' and uid = %d and is_dir != 0",
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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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);
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if ($r && intval($r[0]['is_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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|
|
|
/**
|
|
* @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
|
|
);
|
|
}
|
|
} |