mirror of
https://framagit.org/hubzilla/core.git
synced 2026-06-21 00:52:33 -04:00
642 lines
20 KiB
PHP
642 lines
20 KiB
PHP
<?php
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namespace Zotlabs\Storage;
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use Sabre\DAV;
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use App;
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/**
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* @brief Provides a DAV frontend for the webbrowser.
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*
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* Browser is a SabreDAV server-plugin to provide a view to the DAV storage
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* for the webbrowser.
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*
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* @extends \\Sabre\\DAV\\Browser\\Plugin
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*
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* @link http://framagit.org/hubzilla/core/
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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 Browser extends DAV\Browser\Plugin {
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public $build_page = false;
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/**
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* @see set_writeable()
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* @see \\Sabre\\DAV\\Auth\\Backend\\BackendInterface
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* @var BasicAuth $auth
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*/
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private $auth;
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/**
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* @brief Constructor for Browser class.
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*
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* $enablePost will be activated through set_writeable() in a later stage.
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* At the moment the write_storage permission is only valid for the whole
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* folder. No file specific permissions yet.
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* @todo disable enablePost by default and only activate if permissions
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* grant edit rights.
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*
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* Disable assets with $enableAssets = false. Should get some thumbnail views
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* anyway.
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*
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* @param BasicAuth &$auth
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*/
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public function __construct(&$auth) {
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$this->auth = $auth;
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parent::__construct(true, false);
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}
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/**
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* The DAV browser is instantiated after the auth module and directory classes
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* but before we know the current directory and who the owner and observer
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* are. So we add a pointer to the browser into the auth module and vice versa.
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* Then when we've figured out what directory is actually being accessed, we
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* call the following function to decide whether or not to show web elements
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* which include writeable objects.
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*
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* @fixme It only disable/enable the visible parts. Not the POST handler
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* which handels the actual requests when uploading files or creating folders.
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*
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* @todo Maybe this whole way of doing this can be solved with some
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* $server->subscribeEvent().
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*/
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public function set_writeable() {
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if (! $this->auth->owner_id) {
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$this->enablePost = false;
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}
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if (! perm_is_allowed($this->auth->owner_id, get_observer_hash(), 'write_storage')) {
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$this->enablePost = false;
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} else {
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$this->enablePost = true;
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}
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}
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/**
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* @brief Creates the directory listing for the given path.
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*
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* @param string $path which should be displayed
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*/
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public function generateDirectoryIndex($path) {
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require_once('include/conversation.php');
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require_once('include/text.php');
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$nick = $this->auth->owner_nick;
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$channel_id = $this->auth->owner_id;
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// Is visitor owner of this directory?
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$is_owner = ((local_channel() && $channel_id == local_channel()) ? true : false);
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$cat = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
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if ($this->auth->getTimezone()) {
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date_default_timezone_set($this->auth->getTimezone());
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}
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$files = $this->server->getPropertiesForPath($path, [], 1);
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$parent = $this->server->tree->getNodeForPath($path);
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$arr = explode('/', $parent->os_path);
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end($arr);
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$folder_parent = ((isset($arr[1])) ? prev($arr) : '');
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$folder_list = attach_folder_select_list($channel_id);
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$siteroot_disabled = get_config('system', 'cloud_disable_siteroot');
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$is_root_folder = (($path === 'cloud/' . $nick) ? true : false);
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$parent_path = '';
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if ($channel_id && ! $cat && !($siteroot_disabled && $is_root_folder)) {
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list($parent_uri) = \Sabre\Uri\split($path);
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$parent_path = \Sabre\HTTP\encodePath($this->server->getBaseUri() . $parent_uri);
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}
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$embedable_video_types = [
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'video/mp4',
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'video/ogg',
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'video/webm'
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];
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$embedable_audio_types = [
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'audio/mpeg',
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'audio/wav',
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'audio/ogg',
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'audio/webm'
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];
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$f = [];
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foreach ($files as $file) {
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$ft = [];
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$type = null;
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$href = rtrim($file['href'], '/');
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// This is the current directory - skip it
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if ($href === $path)
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continue;
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$node = $this->server->tree->getNodeForPath($href);
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$data = $node->data;
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$attach_hash = $data['hash'];
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$folder_hash = $node->folder_hash;
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list(, $filename) = \Sabre\Uri\split($href);
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$name = isset($file[200]['{DAV:}displayname']) ? $file[200]['{DAV:}displayname'] : $filename;
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$name = $this->escapeHTML($name);
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$size = isset($file[200]['{DAV:}getcontentlength']) ? (int)$file[200]['{DAV:}getcontentlength'] : '';
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$lastmodified = ((isset($file[200]['{DAV:}getlastmodified'])) ? $file[200]['{DAV:}getlastmodified']->getTime()->format('Y-m-d H:i:s') : '');
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if (isset($file[200]['{DAV:}resourcetype'])) {
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$type = $file[200]['{DAV:}resourcetype']->getValue();
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// resourcetype can have multiple values
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if (!is_array($type)) $type = array($type);
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foreach ($type as $k=>$v) {
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// Some name mapping is preferred
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switch ($v) {
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case '{DAV:}collection' :
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$type[$k] = 'Collection';
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break;
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case '{DAV:}principal' :
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$type[$k] = 'Principal';
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break;
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case '{urn:ietf:params:xml:ns:carddav}addressbook' :
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$type[$k] = 'Addressbook';
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break;
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case '{urn:ietf:params:xml:ns:caldav}calendar' :
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$type[$k] = 'Calendar';
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break;
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case '{urn:ietf:params:xml:ns:caldav}schedule-inbox' :
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$type[$k] = 'Schedule Inbox';
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break;
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case '{urn:ietf:params:xml:ns:caldav}schedule-outbox' :
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$type[$k] = 'Schedule Outbox';
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break;
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case '{http://calendarserver.org/ns/}calendar-proxy-read' :
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$type[$k] = 'Proxy-Read';
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break;
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case '{http://calendarserver.org/ns/}calendar-proxy-write' :
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$type[$k] = 'Proxy-Write';
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break;
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}
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}
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$type = implode(', ', $type);
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}
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// If no resourcetype was found, we attempt to use
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// the contenttype property
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if (! $type && isset($file[200]['{DAV:}getcontenttype'])) {
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$type = $file[200]['{DAV:}getcontenttype'];
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}
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if (! $type) {
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$type = $data['filetype'];
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}
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$type = $this->escapeHTML($type);
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// generate preview icons for tile view.
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// Currently we only handle images, but this could potentially be extended with plugins
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// to provide document and video thumbnails. SVG, PDF and office documents have some
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// security concerns and should only be allowed on single-user sites with tightly controlled
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// upload access. system.thumbnail_security should be set to 1 if you want to include these
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// types
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$is_creator = false;
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$photo_icon = '';
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$preview_style = intval(get_config('system','thumbnail_security',0));
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$is_creator = (($data['creator'] === get_observer_hash()) ? true : false);
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if(strpos($type,'image/') === 0 && $attach_hash) {
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$p = q("select resource_id, imgscale from photo where resource_id = '%s' and imgscale in ( %d, %d ) order by imgscale asc limit 1",
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dbesc($attach_hash),
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intval(PHOTO_RES_320),
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intval(PHOTO_RES_PROFILE_80)
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);
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if($p) {
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$photo_icon = 'photo/' . $p[0]['resource_id'] . '-' . $p[0]['imgscale'];
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}
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if($type === 'image/svg+xml' && $preview_style > 0) {
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$photo_icon = $href;
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}
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}
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$g = [ 'resource_id' => $attach_hash, 'thumbnail' => $photo_icon, 'security' => $preview_style ];
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call_hooks('file_thumbnail', $g);
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$photo_icon = $g['thumbnail'];
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$lockstate = (($data['allow_cid'] || $data['allow_gid'] || $data['deny_cid'] || $data['deny_gid']) ? 'lock' : 'unlock');
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$id = $data['id'];
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if($id) {
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$terms = q("select * from term where oid = %d AND otype = %d",
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intval($id),
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intval(TERM_OBJ_FILE)
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);
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$categories = [];
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$terms_str = '';
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if($terms) {
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foreach($terms as $t) {
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$term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8',false) ;
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if(! trim($term))
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continue;
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$categories[] = array('term' => $term, 'url' => $t['url']);
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if ($terms_str)
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$terms_str .= ',';
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$terms_str .= $term;
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}
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$ft['terms'] = replace_macros(get_markup_template('item_categories.tpl'),array(
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'$categories' => $categories
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));
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}
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}
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// put the array for this file together
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$ft['attach_id'] = $id;
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// $ft['icon'] = $icon;
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$ft['photo_icon'] = $photo_icon;
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$ft['is_creator'] = $is_creator;
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$ft['rel_path'] = (($data) ? '/cloud/' . $nick .'/' . $data['display_path'] : $href);
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$ft['full_path'] = z_root() . (($data) ? '/cloud/' . $nick .'/' . $data['display_path'] : $href);
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$ft['name'] = $name;
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$ft['type'] = $type;
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$ft['size'] = $size;
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$ft['collection'] = (($type === 'Collection') ? true : false);
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$ft['size_formatted'] = userReadableSize($size);
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$ft['last_modified'] = (($lastmodified) ? datetime_convert('UTC', date_default_timezone_get(), $lastmodified) : '');
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$ft['icon_from_type'] = getIconFromType($type);
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$ft['allow_cid'] = acl2json($data['allow_cid']);
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$ft['allow_gid'] = acl2json($data['allow_gid']);
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$ft['deny_cid'] = acl2json($data['deny_cid']);
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$ft['deny_gid'] = acl2json($data['deny_gid']);
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$ft['raw_allow_cid'] = $data['allow_cid'];
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$ft['raw_allow_gid'] = $data['allow_gid'];
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$ft['raw_deny_cid'] = $data['deny_cid'];
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$ft['raw_deny_gid'] = $data['deny_gid'];
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$ft['lockstate'] = $lockstate;
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$ft['resource'] = $data['hash'];
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$ft['folder'] = $data['folder'];
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$ft['revision'] = $data['revision'];
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$ft['newfilename'] = ['newfilename_' . $id, t('Change filename to'), $name];
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$ft['categories'] = ['categories_' . $id, t('Categories'), $terms_str];
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// create a copy of the list which we can alter for the current resource
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$folders = $folder_list;
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if($data['is_dir']) {
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$rm_path = $folders[$folder_hash];
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// can not copy a folder into itself or own child folders
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foreach($folders as $k => $v) {
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if(strpos($v, $rm_path) === 0)
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unset($folders[$k]);
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}
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}
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$ft['newfolder'] = ['newfolder_' . $id, t('Select a target location'), $data['folder'], '', $folders];
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$ft['copy'] = ['copy_' . $id, t('Copy to target location'), 0, '', [t('No'), t('Yes')]];
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$ft['recurse'] = ['recurse_' . $id, t('Set permissions for all files and sub folders'), 0, '', [t('No'), t('Yes')]];
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$ft['notify'] = ['notify_edit_' . $id, t('Notify your contacts about this file'), 0, '', [t('No'), t('Yes')]];
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$embed_bbcode = '';
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$link_bbcode = '';
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$attach_bbcode = '';
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if($data['is_photo']) {
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$embed_bbcode = '[zmg]' . $ft['full_path'] . '[/zmg]';
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}
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elseif(strpos($type, 'video') === 0 && in_array($type, $embedable_video_types)) {
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$embed_bbcode = '[zvideo]' . $ft['full_path'] . '[/zvideo]';
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}
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elseif(strpos($type, 'audio') === 0 && in_array($type, $embedable_audio_types)) {
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$embed_bbcode = '[zaudio]' . $ft['full_path'] . '[/zaudio]';
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}
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$ft['embed_bbcode'] = $embed_bbcode;
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if(! $data['is_dir']) {
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$attach_bbcode = '[attachment]' . $data['hash'] . ',' . $data['revision'] . '[/attachment]';
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}
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$ft['attach_bbcode'] = $attach_bbcode;
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$link_bbcode = '[zrl=' . $ft['full_path'] . ']' . $ft['name'] . '[/zrl]';
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$ft['link_bbcode'] = $link_bbcode;
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$f[] = $ft;
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}
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$output = '';
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if ($this->enablePost) {
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$this->server->emit('onHTMLActionsPanel', [$parent, &$output, $path]);
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}
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$deftiles = (($is_owner) ? 0 : 1);
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$tiles = ((array_key_exists('cloud_tiles',$_SESSION)) ? intval($_SESSION['cloud_tiles']) : $deftiles);
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$_SESSION['cloud_tiles'] = $tiles;
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$header = (($cat) ? t('File category') . ": " . $this->escapeHTML($cat) : t('Files'));
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$channel = channelx_by_n($channel_id);
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$lockstate = null;
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$channel_acl = null;
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if($channel) {
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$acl = new \Zotlabs\Access\AccessList($channel);
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$channel_acl = $acl->get();
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$lockstate = (($acl->is_private()) ? 'lock' : 'unlock');
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}
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$html = replace_macros(get_markup_template('cloud.tpl'), array(
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'$header' => $header,
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'$total' => t('Total'),
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'$actionspanel' => $output,
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'$shared' => t('Shared'),
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'$create' => t('Create'),
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'$upload' => t('Add Files'),
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'$is_owner' => $is_owner,
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'$is_admin' => is_site_admin(),
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'$admin_delete_label' => t('Admin Delete'),
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'$parentpath' => $parent_path,
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'$folder_parent' => $folder_parent,
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'$folder' => $parent->folder_hash,
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'$is_root_folder' => $is_root_folder,
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'$cpath' => bin2hex(App::$query_string),
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'$tiles' => intval($_SESSION['cloud_tiles']),
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'$entries' => $f,
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'$name' => t('Name'),
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'$type' => t('Type'),
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'$size' => t('Size'),
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'$lastmod' => t('Last Modified'),
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'$parent' => t('parent'),
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'$submit_label' => t('Submit'),
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'$cancel_label' => t('Cancel'),
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'$delete_label' => t('Delete'),
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'$channel_id' => $channel_id,
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'$cpdesc' => t('Copy/paste this code to attach file to a post'),
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'$cpldesc' => t('Copy/paste this URL to link file from a web page'),
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'$categories' => ['categories', t('Categories')],
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'$recurse' => ['recurse', t('Set permissions for all files and sub folders'), 0, '', [t('No'), t('Yes')]],
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'$newfolder' => ['newfolder', t('Select a target location'), $parent->folder_hash, '', $folder_list],
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'$copy' => ['copy', t('Copy to target location'), 0, '', [t('No'), t('Yes')]],
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'$return_path' => $path,
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'$lockstate' => $lockstate,
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'$allow_cid' => ((isset($channel_acl['allow_cid'])) ? acl2json($channel_acl['allow_cid']) : ''),
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'$allow_gid' => ((isset($channel_acl['allow_gid'])) ? acl2json($channel_acl['allow_gid']) : ''),
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'$deny_cid' => ((isset($channel_acl['deny_cid'])) ? acl2json($channel_acl['deny_cid']) : ''),
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'$deny_gid' => ((isset($channel_acl['deny_gid'])) ? acl2json($channel_acl['deny_gid']) : ''),
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'$is_owner' => $is_owner,
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'$select_all_label' => t('Select All'),
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'$bulk_actions_label' => t('Bulk Actions'),
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'$adjust_permissions_label' => t('Adjust Permissions'),
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'$move_copy_label' => t('Move or Copy'),
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'$categories_label' => t('Categories'),
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'$download_label' => t('Download'),
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'$info_label' => t('Info'),
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'$rename_label' => t('Rename'),
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'$post_label' => t('Post'),
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'$attach_bbcode_label' => t('Attachment BBcode'),
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'$embed_bbcode_label' => t('Embed BBcode'),
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'$link_bbcode_label' => t('Link BBcode'),
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'$close_label' => t('Close')
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));
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$a = false;
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nav_set_selected('Files');
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App::$page['content'] = $html;
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load_pdl();
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$current_theme = \Zotlabs\Render\Theme::current();
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$theme_info_file = 'view/theme/' . $current_theme[0] . '/php/theme.php';
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if (file_exists($theme_info_file)) {
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require_once($theme_info_file);
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if (function_exists(str_replace('-', '_', $current_theme[0]) . '_init')) {
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$func = str_replace('-', '_', $current_theme[0]) . '_init';
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$func($a);
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}
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}
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$this->server->httpResponse->setHeader('Content-Security-Policy', "script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'");
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$this->build_page = true;
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}
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/**
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* @brief Creates a form to add new folders and upload files.
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*
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* @param \Sabre\DAV\INode $node
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* @param[in,out] string &$output
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* @param string $path
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*/
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public function htmlActionsPanel(DAV\INode $node, &$output, $path) {
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if(! $node instanceof DAV\ICollection)
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return;
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// We also know fairly certain that if an object is a non-extended
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// SimpleCollection, we won't need to show the panel either.
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if (get_class($node) === 'Sabre\\DAV\\SimpleCollection')
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return;
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require_once('include/acl_selectors.php');
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$aclselect = null;
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$lockstate = '';
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$limit = 0;
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|
|
$cat = $_REQUEST['cat'] ?? '';
|
|
$cloud_tiles = $_SESSION['cloud_tiles'] ?? 0;
|
|
|
|
if($this->auth->owner_id) {
|
|
$channel = channelx_by_n($this->auth->owner_id);
|
|
if($channel) {
|
|
$acl = new \Zotlabs\Access\AccessList($channel);
|
|
$channel_acl = $acl->get();
|
|
$lockstate = (($acl->is_private()) ? 'lock' : 'unlock');
|
|
|
|
$aclselect = ((local_channel() == $this->auth->owner_id) ? populate_acl($channel_acl,false, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_storage')) : '');
|
|
}
|
|
|
|
// Storage and quota for the account (all channels of the owner of this directory)!
|
|
$limit = engr_units_to_bytes(service_class_fetch($this->auth->owner_id, 'attach_upload_limit'));
|
|
}
|
|
|
|
if((! $limit) && get_config('system','cloud_report_disksize')) {
|
|
$limit = engr_units_to_bytes(disk_free_space('store'));
|
|
}
|
|
|
|
$r = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d",
|
|
intval($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%)');
|
|
$quotaDesc = sprintf($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
|
|
|
|
// strip 'cloud/nickname', but only at the beginning of the path
|
|
|
|
$special = 'cloud/' . $this->auth->owner_nick;
|
|
$count = strlen($special);
|
|
|
|
|
|
|
|
if(strpos($path,$special) === 0)
|
|
$display_path = trim(substr($path,$count),'/');
|
|
|
|
$breadcrumbs_html = '';
|
|
|
|
if ($display_path && !$cat && !$cloud_tiles) {
|
|
$breadcrumbs = [];
|
|
$folders = explode('/', $display_path);
|
|
$folder_hashes = explode('/', $node->os_path);
|
|
$breadcrumb_path = z_root() . '/cloud/' . $this->auth->owner_nick;
|
|
|
|
$breadcrumbs[] = [
|
|
'name' => $this->auth->owner_nick,
|
|
'hash' => '',
|
|
'path' => $breadcrumb_path
|
|
];
|
|
|
|
foreach($folders as $i => $name) {
|
|
$breadcrumb_path .= '/' . $name;
|
|
$breadcrumbs[] = [
|
|
'name' => $name,
|
|
'hash' => $folder_hashes[$i],
|
|
'path' => $breadcrumb_path
|
|
];
|
|
}
|
|
|
|
$breadcrumbs_html = replace_macros(get_markup_template('breadcrumb.tpl'), array(
|
|
'$breadcrumbs' => $breadcrumbs
|
|
));
|
|
}
|
|
|
|
$output .= replace_macros(get_markup_template('cloud_actionspanel.tpl'), array(
|
|
'$folder_header' => t('Create new folder'),
|
|
'$folder_submit' => t('Create'),
|
|
'$upload_header' => t('Upload file'),
|
|
'$upload_submit' => t('Upload'),
|
|
'$quota' => $quota,
|
|
'$channick' => $this->auth->owner_nick,
|
|
'$aclselect' => $aclselect,
|
|
'$allow_cid' => acl2json($channel_acl['allow_cid']),
|
|
'$allow_gid' => acl2json($channel_acl['allow_gid']),
|
|
'$deny_cid' => acl2json($channel_acl['deny_cid']),
|
|
'$deny_gid' => acl2json($channel_acl['deny_gid']),
|
|
'$lockstate' => $lockstate,
|
|
'$return_url' => $path,
|
|
'$folder' => $node->folder_hash,
|
|
'$dragdroptext' => t('Drop files here to immediately upload'),
|
|
'$notify' => ['notify', t('Show in your contacts shared folder'), 0, '', [t('No'), t('Yes')]],
|
|
'$breadcrumbs_html' => $breadcrumbs_html,
|
|
'$drop_area_label' => t('You can select files via the upload button or drop them right here or into an existing folder.')
|
|
));
|
|
}
|
|
|
|
/**
|
|
* 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 $parentHash
|
|
* 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 $hash;
|
|
}
|
|
|
|
protected function findAttachHashFlat($owner, $attachName) {
|
|
$r = q("SELECT hash FROM attach WHERE uid = %d AND filename = '%s' ORDER BY edited DESC LIMIT 1",
|
|
intval($owner),
|
|
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;
|
|
}
|
|
}
|