466 lines
15 KiB
PHP
466 lines
15 KiB
PHP
<?php
|
|
|
|
namespace Zotlabs\Storage;
|
|
|
|
use Sabre\DAV;
|
|
|
|
/**
|
|
* @brief Provides a DAV frontend for the webbrowser.
|
|
*
|
|
* Browser is a SabreDAV server-plugin to provide a view to the DAV storage
|
|
* for the webbrowser.
|
|
*
|
|
* @extends \\Sabre\\DAV\\Browser\\Plugin
|
|
*
|
|
* @link http://framagit.org/hubzilla/core/
|
|
* @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
|
|
*/
|
|
class Browser extends DAV\Browser\Plugin {
|
|
|
|
public $build_page = false;
|
|
/**
|
|
* @see set_writeable()
|
|
* @see \\Sabre\\DAV\\Auth\\Backend\\BackendInterface
|
|
* @var BasicAuth $auth
|
|
*/
|
|
private $auth;
|
|
|
|
/**
|
|
* @brief Constructor for Browser class.
|
|
*
|
|
* $enablePost will be activated through set_writeable() in a later stage.
|
|
* At the moment the write_storage permission is only valid for the whole
|
|
* folder. No file specific permissions yet.
|
|
* @todo disable enablePost by default and only activate if permissions
|
|
* grant edit rights.
|
|
*
|
|
* Disable assets with $enableAssets = false. Should get some thumbnail views
|
|
* anyway.
|
|
*
|
|
* @param BasicAuth &$auth
|
|
*/
|
|
public function __construct(&$auth) {
|
|
$this->auth = $auth;
|
|
parent::__construct(true, false);
|
|
}
|
|
|
|
/**
|
|
* The DAV browser is instantiated after the auth module and directory classes
|
|
* but before we know the current directory and who the owner and observer
|
|
* are. So we add a pointer to the browser into the auth module and vice versa.
|
|
* Then when we've figured out what directory is actually being accessed, we
|
|
* call the following function to decide whether or not to show web elements
|
|
* which include writeable objects.
|
|
*
|
|
* @fixme It only disable/enable the visible parts. Not the POST handler
|
|
* which handels the actual requests when uploading files or creating folders.
|
|
*
|
|
* @todo Maybe this whole way of doing this can be solved with some
|
|
* $server->subscribeEvent().
|
|
*/
|
|
public function set_writeable() {
|
|
if (! $this->auth->owner_id) {
|
|
$this->enablePost = false;
|
|
}
|
|
|
|
if (! perm_is_allowed($this->auth->owner_id, get_observer_hash(), 'write_storage')) {
|
|
$this->enablePost = false;
|
|
} else {
|
|
$this->enablePost = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Creates the directory listing for the given path.
|
|
*
|
|
* @param string $path which should be displayed
|
|
*/
|
|
public function generateDirectoryIndex($path) {
|
|
// (owner_id = channel_id) is visitor owner of this directory?
|
|
$is_owner = ((local_channel() && $this->auth->owner_id == local_channel()) ? true : false);
|
|
|
|
if ($this->auth->getTimezone())
|
|
date_default_timezone_set($this->auth->getTimezone());
|
|
|
|
require_once('include/conversation.php');
|
|
require_once('include/text.php');
|
|
if ($this->auth->owner_nick) {
|
|
$html = '';
|
|
}
|
|
|
|
$files = $this->server->getPropertiesForPath($path, array(
|
|
'{DAV:}displayname',
|
|
'{DAV:}resourcetype',
|
|
'{DAV:}getcontenttype',
|
|
'{DAV:}getcontentlength',
|
|
'{DAV:}getlastmodified',
|
|
), 1);
|
|
|
|
$parent = $this->server->tree->getNodeForPath($path);
|
|
|
|
$parentpath = array();
|
|
// only show parent if not leaving /cloud/; TODO how to improve this?
|
|
if ($path && $path != "cloud") {
|
|
list($parentUri) = \Sabre\Uri\split($path);
|
|
$fullPath = \Sabre\HTTP\encodePath($this->server->getBaseUri() . $parentUri);
|
|
|
|
$parentpath['icon'] = $this->enableAssets ? '<a href="' . $fullPath . '"><img src="' . $this->getAssetUrl('icons/parent' . $this->iconExtension) . '" width="24" alt="' . t('parent') . '"></a>' : '';
|
|
$parentpath['path'] = $fullPath;
|
|
}
|
|
|
|
$f = array();
|
|
foreach ($files as $file) {
|
|
$ft = array();
|
|
$type = null;
|
|
|
|
// This is the current directory, we can skip it
|
|
if (rtrim($file['href'], '/') == $path) continue;
|
|
|
|
list(, $name) = \Sabre\Uri\split($file['href']);
|
|
|
|
if (isset($file[200]['{DAV:}resourcetype'])) {
|
|
$type = $file[200]['{DAV:}resourcetype']->getValue();
|
|
|
|
// resourcetype can have multiple values
|
|
if (!is_array($type)) $type = array($type);
|
|
|
|
foreach ($type as $k=>$v) {
|
|
// Some name mapping is preferred
|
|
switch ($v) {
|
|
case '{DAV:}collection' :
|
|
$type[$k] = t('Collection');
|
|
break;
|
|
case '{DAV:}principal' :
|
|
$type[$k] = t('Principal');
|
|
break;
|
|
case '{urn:ietf:params:xml:ns:carddav}addressbook' :
|
|
$type[$k] = t('Addressbook');
|
|
break;
|
|
case '{urn:ietf:params:xml:ns:caldav}calendar' :
|
|
$type[$k] = t('Calendar');
|
|
break;
|
|
case '{urn:ietf:params:xml:ns:caldav}schedule-inbox' :
|
|
$type[$k] = t('Schedule Inbox');
|
|
break;
|
|
case '{urn:ietf:params:xml:ns:caldav}schedule-outbox' :
|
|
$type[$k] = t('Schedule Outbox');
|
|
break;
|
|
case '{http://calendarserver.org/ns/}calendar-proxy-read' :
|
|
$type[$k] = 'Proxy-Read';
|
|
break;
|
|
case '{http://calendarserver.org/ns/}calendar-proxy-write' :
|
|
$type[$k] = 'Proxy-Write';
|
|
break;
|
|
}
|
|
}
|
|
$type = implode(', ', $type);
|
|
}
|
|
|
|
// If no resourcetype was found, we attempt to use
|
|
// the contenttype property
|
|
if (!$type && isset($file[200]['{DAV:}getcontenttype'])) {
|
|
$type = $file[200]['{DAV:}getcontenttype'];
|
|
}
|
|
if (!$type) $type = t('Unknown');
|
|
|
|
$size = isset($file[200]['{DAV:}getcontentlength']) ? (int)$file[200]['{DAV:}getcontentlength'] : '';
|
|
$lastmodified = ((isset($file[200]['{DAV:}getlastmodified'])) ? $file[200]['{DAV:}getlastmodified']->getTime()->format('Y-m-d H:i:s') : '');
|
|
|
|
$fullPath = \Sabre\HTTP\encodePath('/' . trim($this->server->getBaseUri() . ($path ? $path . '/' : '') . $name, '/'));
|
|
|
|
$displayName = isset($file[200]['{DAV:}displayname']) ? $file[200]['{DAV:}displayname'] : $name;
|
|
|
|
$displayName = $this->escapeHTML($displayName);
|
|
$type = $this->escapeHTML($type);
|
|
|
|
|
|
$icon = '';
|
|
|
|
if ($this->enableAssets) {
|
|
$node = $this->server->tree->getNodeForPath(($path ? $path . '/' : '') . $name);
|
|
foreach (array_reverse($this->iconMap) as $class=>$iconName) {
|
|
if ($node instanceof $class) {
|
|
$icon = '<a href="' . $fullPath . '"><img src="' . $this->getAssetUrl($iconName . $this->iconExtension) . '" alt="" width="24"></a>';
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$parentHash = '';
|
|
$owner = $this->auth->owner_id;
|
|
$splitPath = explode('/', $fullPath);
|
|
if (count($splitPath) > 3) {
|
|
for ($i = 3; $i < count($splitPath); $i++) {
|
|
$attachName = urldecode($splitPath[$i]);
|
|
$attachHash = $this->findAttachHash($owner, $parentHash, $attachName);
|
|
$parentHash = $attachHash;
|
|
}
|
|
}
|
|
|
|
|
|
// generate preview icons for tile view.
|
|
// Currently we only handle images, but this could potentially be extended with plugins
|
|
// to provide document and video thumbnails. SVG, PDF and office documents have some
|
|
// security concerns and should only be allowed on single-user sites with tightly controlled
|
|
// upload access. system.thumbnail_security should be set to 1 if you want to include these
|
|
// types
|
|
|
|
$photo_icon = '';
|
|
$preview_style = intval(get_config('system','thumbnail_security',0));
|
|
|
|
$r = q("select content from attach where hash = '%s' and uid = %d limit 1",
|
|
dbesc($attachHash),
|
|
intval($owner)
|
|
);
|
|
|
|
if($r && file_exists(dbunescbin($r[0]['content']) . '.thumb')) {
|
|
$photo_icon = 'data:image/jpeg;base64,' . base64_encode(file_get_contents(dbunescbin($r[0]['content']) . '.thumb'));
|
|
// logger('found thumb: ' . $photo_icon);
|
|
}
|
|
|
|
if(strpos($type,'image/') === 0 && $attachHash) {
|
|
$r = q("select resource_id, imgscale from photo where resource_id = '%s' and imgscale in ( %d, %d ) order by imgscale asc limit 1",
|
|
dbesc($attachHash),
|
|
intval(PHOTO_RES_320),
|
|
intval(PHOTO_RES_PROFILE_80)
|
|
);
|
|
if($r) {
|
|
$photo_icon = 'photo/' . $r[0]['resource_id'] . '-' . $r[0]['imgscale'];
|
|
}
|
|
if($type === 'image/svg+xml' && $preview_style > 0) {
|
|
$photo_icon = $fullPath;
|
|
}
|
|
}
|
|
|
|
$g = [ 'resource_id' => $attachHash, 'thumbnail' => $photo_icon, 'security' => $preview_style ];
|
|
call_hooks('file_thumbnail', $g);
|
|
$photo_icon = $g['thumbnail'];
|
|
|
|
|
|
$attachIcon = ""; // "<a href=\"attach/".$attachHash."\" title=\"".$displayName."\"><i class=\"fa fa-arrow-circle-o-down\"></i></a>";
|
|
|
|
// put the array for this file together
|
|
$ft['attachId'] = $this->findAttachIdByHash($attachHash);
|
|
$ft['fileStorageUrl'] = substr($fullPath, 0, strpos($fullPath, "cloud/")) . "filestorage/" . $this->auth->owner_nick;
|
|
$ft['icon'] = $icon;
|
|
$ft['photo_icon'] = $photo_icon;
|
|
$ft['attachIcon'] = (($size) ? $attachIcon : '');
|
|
// @todo Should this be an item value, not a global one?
|
|
$ft['is_owner'] = $is_owner;
|
|
$ft['fullPath'] = $fullPath;
|
|
$ft['displayName'] = $displayName;
|
|
$ft['type'] = $type;
|
|
$ft['size'] = $size;
|
|
$ft['sizeFormatted'] = userReadableSize($size);
|
|
$ft['lastmodified'] = (($lastmodified) ? datetime_convert('UTC', date_default_timezone_get(), $lastmodified) : '');
|
|
$ft['iconFromType'] = getIconFromType($type);
|
|
|
|
$f[] = $ft;
|
|
}
|
|
|
|
|
|
$output = '';
|
|
if ($this->enablePost) {
|
|
$this->server->emit('onHTMLActionsPanel', array($parent, &$output, $path));
|
|
}
|
|
|
|
$deftiles = (($is_owner) ? 0 : 1);
|
|
$tiles = ((array_key_exists('cloud_tiles',$_SESSION)) ? intval($_SESSION['cloud_tiles']) : $deftiles);
|
|
$_SESSION['cloud_tiles'] = $tiles;
|
|
|
|
$html .= replace_macros(get_markup_template('cloud.tpl'), array(
|
|
'$header' => t('Files') . ": " . $this->escapeHTML($path) . "/",
|
|
'$total' => t('Total'),
|
|
'$actionspanel' => $output,
|
|
'$shared' => t('Shared'),
|
|
'$create' => t('Create'),
|
|
'$upload' => t('Add Files'),
|
|
'$is_owner' => $is_owner,
|
|
'$is_admin' => is_site_admin(),
|
|
'$admin_delete' => t('Admin Delete'),
|
|
'$parentpath' => $parentpath,
|
|
'$cpath' => bin2hex(\App::$query_string),
|
|
'$tiles' => intval($_SESSION['cloud_tiles']),
|
|
'$entries' => $f,
|
|
'$name' => t('Name'),
|
|
'$type' => t('Type'),
|
|
'$size' => t('Size'),
|
|
'$lastmod' => t('Last Modified'),
|
|
'$parent' => t('parent'),
|
|
'$edit' => t('Edit'),
|
|
'$delete' => t('Delete'),
|
|
'$nick' => $this->auth->getCurrentUser()
|
|
));
|
|
|
|
|
|
$a = false;
|
|
|
|
nav_set_selected('Files');
|
|
|
|
\App::$page['content'] = $html;
|
|
load_pdl();
|
|
|
|
$current_theme = \Zotlabs\Render\Theme::current();
|
|
|
|
$theme_info_file = 'view/theme/' . $current_theme[0] . '/php/theme.php';
|
|
if (file_exists($theme_info_file)) {
|
|
require_once($theme_info_file);
|
|
if (function_exists(str_replace('-', '_', $current_theme[0]) . '_init')) {
|
|
$func = str_replace('-', '_', $current_theme[0]) . '_init';
|
|
$func($a);
|
|
}
|
|
}
|
|
$this->server->httpResponse->setHeader('Content-Security-Policy', "script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'");
|
|
$this->build_page = true;
|
|
}
|
|
|
|
/**
|
|
* @brief Creates a form to add new folders and upload files.
|
|
*
|
|
* @param \Sabre\DAV\INode $node
|
|
* @param[in,out] string &$output
|
|
* @param string $path
|
|
*/
|
|
public function htmlActionsPanel(DAV\INode $node, &$output, $path) {
|
|
if(! $node instanceof DAV\ICollection)
|
|
return;
|
|
|
|
// We also know fairly certain that if an object is a non-extended
|
|
// SimpleCollection, we won't need to show the panel either.
|
|
if (get_class($node) === 'Sabre\\DAV\\SimpleCollection')
|
|
return;
|
|
require_once('include/acl_selectors.php');
|
|
|
|
$aclselect = null;
|
|
$lockstate = '';
|
|
|
|
if($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)!
|
|
$limit = engr_units_to_bytes(service_class_fetch($owner, 'attach_upload_limit'));
|
|
$r = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d",
|
|
intval($this->auth->channel_account_id)
|
|
);
|
|
$used = $r[0]['total'];
|
|
if($used) {
|
|
$quotaDesc = t('You are using %1$s of your available file storage.');
|
|
$quotaDesc = sprintf($quotaDesc,
|
|
userReadableSize($used));
|
|
}
|
|
if($limit && $used) {
|
|
$quotaDesc = t('You are using %1$s of %2$s available file storage. (%3$s%)');
|
|
$quotaDesc = sprintf($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)
|
|
$path = trim(substr($path,$count),'/');
|
|
|
|
|
|
$output .= replace_macros(get_markup_template('cloud_actionspanel.tpl'), array(
|
|
'$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' => \App::$cmd,
|
|
'$path' => $path,
|
|
'$folder' => find_folder_hash_by_path($this->auth->owner_id, $path),
|
|
'$dragdroptext' => t('Drop files here to immediately upload'),
|
|
'$notify' => ['notify', t('Show in your contacts shared folder'), 0, '', [t('No'), t('Yes')]]
|
|
));
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* @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;
|
|
}
|
|
}
|