ext_path = $ext_path;
// remove "/cloud" from the beginning of the path
$modulename = \App::$module;
$this->red_path = ((strpos($ext_path, '/' . $modulename) === 0) ? substr($ext_path, strlen($modulename) + 1) : $ext_path);
if(! $this->red_path) {
$this->red_path = '/';
}
$this->auth = $auth_plugin;
$this->folder_hash = '';
$this->getDir();
if($this->auth->browser) {
$this->auth->browser->set_writeable();
}
}
private function log() {
logger('ext_path ' . $this->ext_path, LOGGER_DATA);
logger('os_path ' . $this->os_path, LOGGER_DATA);
logger('red_path ' . $this->red_path, LOGGER_DATA);
}
/**
* @brief Returns an array with all the child nodes.
*
* @throw "\Sabre\DAV\Exception\Forbidden"
* @return array \\Sabre\\DAV\\INode[]
*/
public function getChildren() {
logger('children for ' . $this->ext_path, LOGGER_DATA);
$this->log();
if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
$contents = $this->CollectionData($this->red_path, $this->auth);
return $contents;
}
/**
* @brief Returns a child by name.
*
* @throw "\Sabre\DAV\Exception\Forbidden"
* @throw "\Sabre\DAV\Exception\NotFound"
* @param string $name
*/
public function getChild($name) {
logger($name, LOGGER_DATA);
if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
$modulename = \App::$module;
if ($this->red_path === '/' && $name === $modulename) {
return new Directory('/' . $modulename, $this->auth);
}
$x = $this->FileData($this->ext_path . '/' . $name, $this->auth);
if ($x) {
return $x;
}
throw new DAV\Exception\NotFound('The file with name: ' . $name . ' could not be found.');
}
/**
* @brief Returns the name of the directory.
*
* @return string
*/
public function getName() {
//logger(basename($this->red_path), LOGGER_DATA);
return (basename($this->red_path));
}
/**
* @brief Renames the directory.
*
* @todo handle duplicate directory name
*
* @throw "\Sabre\DAV\Exception\Forbidden"
* @param string $name The new name of the directory.
* @return void
*/
public function setName($name) {
logger('old name ' . basename($this->red_path) . ' -> ' . $name, LOGGER_DATA);
if ((! $name) || (! $this->auth->owner_id)) {
logger('permission denied ' . $name);
throw new DAV\Exception\Forbidden('Permission denied.');
}
if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
logger('permission denied '. $name);
throw new DAV\Exception\Forbidden('Permission denied.');
}
list($parent_path, ) = \Sabre\Uri\split($this->red_path);
$new_path = $parent_path . '/' . $name;
$r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND uid = %d",
dbesc($name),
dbesc($this->folder_hash),
intval($this->auth->owner_id)
);
$x = attach_syspaths($this->auth->owner_id,$this->folder_hash);
$y = q("update attach set display_path = '%s where hash = '%s' and uid = %d",
dbesc($x['path']),
dbesc($this->folder_hash),
intval($this->auth->owner_id)
);
$ch = channelx_by_n($this->auth->owner_id);
if ($ch) {
$sync = attach_export_data($ch, $this->folder_hash);
if ($sync)
build_sync_packet($ch['channel_id'], array('file' => array($sync)));
}
$this->red_path = $new_path;
}
/**
* @brief Creates a new file in the directory.
*
* Data will either be supplied as a stream resource, or in certain cases
* as a string. Keep in mind that you may have to support either.
*
* After successful creation of the file, you may choose to return the ETag
* of the new file here.
*
* @throw "\Sabre\DAV\Exception\Forbidden"
* @param string $name Name of the file
* @param resource|string $data Initial payload
* @return null|string ETag
*/
public function createFile($name, $data = null) {
logger('create file in directory ' . $name, LOGGER_DEBUG);
if (! $this->auth->owner_id) {
logger('permission denied ' . $name);
throw new DAV\Exception\Forbidden('Permission denied.');
}
if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
logger('permission denied ' . $name);
throw new DAV\Exception\Forbidden('Permission denied.');
}
$mimetype = z_mime_content_type($name);
$c = q("SELECT * FROM channel WHERE channel_id = %d AND channel_removed = 0 LIMIT 1",
intval($this->auth->owner_id)
);
if (! $c) {
logger('no channel');
throw new DAV\Exception\Forbidden('Permission denied.');
}
$filesize = 0;
$hash = random_string();
$f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
$direct = null;
if ($this->folder_hash) {
$r = q("select * from attach where hash = '%s' and is_dir = 1 and uid = %d limit 1",
dbesc($this->folder_hash),
intval($c[0]['channel_id'])
);
if ($r)
$direct = $r[0];
}
if (($direct) && (($direct['allow_cid']) || ($direct['allow_gid']) || ($direct['deny_cid']) || ($direct['deny_gid']))) {
$allow_cid = $direct['allow_cid'];
$allow_gid = $direct['allow_gid'];
$deny_cid = $direct['deny_cid'];
$deny_gid = $direct['deny_gid'];
}
else {
$allow_cid = $c[0]['channel_allow_cid'];
$allow_gid = $c[0]['channel_allow_gid'];
$deny_cid = $c[0]['channel_deny_cid'];
$deny_gid = $c[0]['channel_deny_gid'];
}
$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, os_storage, filetype, filesize, revision, is_photo, content, created, edited, os_path, display_path, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($c[0]['channel_account_id']),
intval($c[0]['channel_id']),
dbesc($hash),
dbesc($this->auth->observer),
dbesc($name),
dbesc($this->folder_hash),
intval(1),
dbesc($mimetype),
intval($filesize),
intval(0),
intval($is_photo),
dbesc($f),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
'',
'',
dbesc($allow_cid),
dbesc($allow_gid),
dbesc($deny_cid),
dbesc($deny_gid)
);
// fetch the actual storage paths
$xpath = attach_syspaths($this->auth->owner_id, $hash);
// returns the number of bytes that were written to the file, or FALSE on failure
$size = file_put_contents($f, $data);
// delete attach entry if file_put_contents() failed
if ($size === false) {
logger('file_put_contents() failed to ' . $f);
attach_delete($c[0]['channel_id'], $hash);
return;
}
// returns now
$edited = datetime_convert();
$is_photo = 0;
$gis = @getimagesize($f);
logger('getimagesize: ' . print_r($gis,true), LOGGER_DATA);
if (($gis) && ($gis[2] === IMAGETYPE_GIF || $gis[2] === IMAGETYPE_JPEG || $gis[2] === IMAGETYPE_PNG)) {
$is_photo = 1;
}
// If we know it's a photo, over-ride the type in case the source system could not determine what it was
if($is_photo) {
q("update attach set filetype = '%s' where hash = '%s' and uid = %d",
dbesc($gis['mime']),
dbesc($hash),
intval($c[0]['channel_id'])
);
}
// updates entry with filesize and timestamp
$d = q("UPDATE attach SET filesize = '%s', os_path = '%s', display_path = '%s', is_photo = %d, edited = '%s' WHERE hash = '%s' AND uid = %d",
dbesc($size),
dbesc($xpath['os_path']),
dbesc($xpath['display_path']),
intval($is_photo),
dbesc($edited),
dbesc($hash),
intval($c[0]['channel_id'])
);
// update the folder's lastmodified timestamp
$e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d",
dbesc($edited),
dbesc($this->folder_hash),
intval($c[0]['channel_id'])
);
$maxfilesize = get_config('system', 'maxfilesize');
if (($maxfilesize) && ($size > $maxfilesize)) {
attach_delete($c[0]['channel_id'], $hash);
return;
}
// check against service class quota
$limit = engr_units_to_bytes(service_class_fetch($c[0]['channel_id'], 'attach_upload_limit'));
if ($limit !== false) {
$z = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d ",
intval($c[0]['channel_account_id'])
);
if (($z) && ($z[0]['total'] + $size > $limit)) {
logger('service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $z[0]['total'] . ' limit is ' . userReadableSize($limit));
attach_delete($c[0]['channel_id'], $hash);
return;
}
}
if($is_photo) {
$album = '';
if ($this->folder_hash) {
$f1 = q("select filename, display_path from attach WHERE hash = '%s' AND uid = %d",
dbesc($this->folder_hash),
intval($c[0]['channel_id'])
);
if ($f1)
$album = (($f1[0]['display_path']) ? $f1[0]['display_path'] : $f1[0]['filename']);
}
require_once('include/photos.php');
$args = array( 'resource_id' => $hash, 'album' => $album, 'os_syspath' => $f, 'os_path' => $xpath['os_path'], 'display_path' => $xpath['path'], 'filename' => $name, 'getimagesize' => $gis, 'directory' => $direct);
$p = photo_upload($c[0], \App::get_observer(), $args);
}
\Zotlabs\Daemon\Master::Summon([ 'Thumbnail' , $this->folder_hash ]);
$sync = attach_export_data($c[0], $hash);
if ($sync)
build_sync_packet($c[0]['channel_id'], array('file' => array($sync)));
}
/**
* @brief Creates a new subdirectory.
*
* @param string $name the directory to create
* @return void
*/
public function createDirectory($name) {
logger('create directory ' . $name, LOGGER_DEBUG);
if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
$r = q("SELECT * FROM channel WHERE channel_id = %d AND channel_removed = 0 LIMIT 1",
intval($this->auth->owner_id)
);
if ($r) {
require_once('include/attach.php');
$result = attach_mkdir($r[0], $this->auth->observer, array('filename' => $name, 'folder' => $this->folder_hash));
if($result['success']) {
$sync = attach_export_data($r[0],$result['data']['hash']);
logger('createDirectory: attach_export_data returns $sync:' . print_r($sync, true), LOGGER_DEBUG);
if($sync) {
build_sync_packet($r[0]['channel_id'], array('file' => array($sync)));
}
}
else {
logger('error ' . print_r($result, true), LOGGER_DEBUG);
}
}
}
/**
* @brief delete directory
*/
public function delete() {
logger('delete file ' . basename($this->red_path), LOGGER_DEBUG);
if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
if ($this->auth->owner_id !== $this->auth->channel_id) {
if (($this->auth->observer !== $this->data['creator']) || intval($this->data['is_dir'])) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
}
attach_delete($this->auth->owner_id, $this->folder_hash);
$ch = channelx_by_n($this->auth->owner_id);
if ($ch) {
$sync = attach_export_data($ch, $this->folder_hash, true);
if ($sync)
build_sync_packet($ch['channel_id'], array('file' => array($sync)));
}
}
/**
* @brief Checks if a child exists.
*
* @param string $name
* The name to check if it exists.
* @return boolean
*/
public function childExists($name) {
// On /cloud we show a list of available channels.
// @todo what happens if no channels are available?
$modulename = \App::$module;
if ($this->red_path === '/' && $name === $modulename) {
//logger('We are at ' $modulename . ' show a channel list', LOGGER_DEBUG);
return true;
}
$x = $this->FileData($this->ext_path . '/' . $name, $this->auth, true);
//logger('FileData returns: ' . print_r($x, true), LOGGER_DATA);
if ($x)
return true;
return false;
}
public function moveInto($targetName,$sourcePath, DAV\INode $sourceNode) {
if(! $this->auth->owner_id) {
return false;
}
if(! ($sourceNode->data && $sourceNode->data->hash)) {
return false;
}
return attach_move($this->auth->owner_id, $sourceNode->data->hash, $this->folder_hash);
}
/**
* @todo add description of what this function does.
*
* @throw "\Sabre\DAV\Exception\NotFound"
* @return void
*/
function getDir() {
logger('GetDir: ' . $this->ext_path, LOGGER_DEBUG);
$this->auth->log();
$modulename = \App::$module;
$file = $this->ext_path;
$x = strpos($file, '/' . $modulename);
if ($x === 0) {
$file = substr($file, strlen($modulename) + 1);
}
if ((! $file) || ($file === '/')) {
return;
}
$file = trim($file, '/');
$path_arr = explode('/', $file);
if (! $path_arr)
return;
logger('paths: ' . print_r($path_arr, true), LOGGER_DATA);
$channel_name = $path_arr[0];
$r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' AND channel_removed = 0 LIMIT 1",
dbesc($channel_name)
);
if (! $r) {
throw new DAV\Exception\NotFound('The file with name: ' . $channel_name . ' could not be found.');
}
$channel_id = $r[0]['channel_id'];
$this->auth->owner_id = $channel_id;
$this->auth->owner_nick = $channel_name;
$path = '/' . $channel_name;
$folder = '';
$os_path = '';
for ($x = 1; $x < count($path_arr); $x++) {
$r = q("select id, hash, filename, flags, is_dir from attach where folder = '%s' and filename = '%s' and uid = %d and is_dir != 0",
dbesc($folder),
dbesc($path_arr[$x]),
intval($channel_id)
);
if ($r && intval($r[0]['is_dir'])) {
$folder = $r[0]['hash'];
if (strlen($os_path))
$os_path .= '/';
$os_path .= $folder;
$path = $path . '/' . $r[0]['filename'];
}
}
$this->folder_hash = $folder;
$this->os_path = $os_path;
}
/**
* @brief Returns the last modification time for the directory, as a UNIX
* timestamp.
*
* It looks for the last edited file in the folder. If it is an empty folder
* it returns the lastmodified time of the folder itself, to prevent zero
* timestamps.
*
* @return int last modification time in UNIX timestamp
*/
public function getLastModified() {
$r = q("SELECT edited FROM attach WHERE folder = '%s' AND uid = %d ORDER BY edited DESC LIMIT 1",
dbesc($this->folder_hash),
intval($this->auth->owner_id)
);
if (! $r) {
$r = q("SELECT edited FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
dbesc($this->folder_hash),
intval($this->auth->owner_id)
);
if (! $r)
return '';
}
return datetime_convert('UTC', 'UTC', $r[0]['edited'], 'U');
}
/**
* @brief Return quota usage.
*
* @fixme Should guests relly see the used/free values from filesystem of the
* complete store directory?
*
* @return array with used and free values in bytes.
*/
public function getQuotaInfo() {
// values from the filesystem of the complete store/ 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)
);
$ulimit = engr_units_to_bytes(service_class_fetch($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
);
}
/**
* @brief Array with all Directory and File DAV\\Node items for the given path.
*
* @param string $file path to a directory
* @param \Zotlabs\Storage\BasicAuth &$auth
* @returns null|array \\Sabre\\DAV\\INode[]
* @throw "\Sabre\DAV\Exception\Forbidden"
* @throw "\Sabre\DAV\Exception\NotFound"
*/
function CollectionData($file, &$auth) {
$ret = array();
$x = strpos($file, '/cloud');
if ($x === 0) {
$file = substr($file, 6);
}
// return a list of channel if we are not inside a channel
if ((! $file) || ($file === '/')) {
return $this->ChannelList($auth);
}
$file = trim($file, '/');
$path_arr = explode('/', $file);
if (! $path_arr)
return null;
$channel_name = $path_arr[0];
$r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' LIMIT 1",
dbesc($channel_name)
);
if (! $r)
return null;
$channel_id = $r[0]['channel_id'];
$perms = permissions_sql($channel_id);
$auth->owner_id = $channel_id;
$path = '/' . $channel_name;
$folder = '';
$errors = false;
$permission_error = false;
for ($x = 1; $x < count($path_arr); $x++) {
$r = q("SELECT id, hash, filename, flags, is_dir FROM attach WHERE folder = '%s' AND filename = '%s' AND uid = %d AND is_dir != 0 $perms LIMIT 1",
dbesc($folder),
dbesc($path_arr[$x]),
intval($channel_id)
);
if (! $r) {
// path wasn't found. Try without permissions to see if it was the result of permissions.
$errors = true;
$r = q("select id, hash, filename, flags, is_dir from attach where folder = '%s' and filename = '%s' and uid = %d and is_dir != 0 limit 1",
dbesc($folder),
basename($path_arr[$x]),
intval($channel_id)
);
if ($r) {
$permission_error = true;
}
break;
}
if ($r && intval($r[0]['is_dir'])) {
$folder = $r[0]['hash'];
$path = $path . '/' . $r[0]['filename'];
}
}
if ($errors) {
if ($permission_error) {
throw new DAV\Exception\Forbidden('Permission denied.');
}
else {
throw new DAV\Exception\NotFound('A component of the request file path could not be found.');
}
}
// This should no longer be needed since we just returned errors for paths not found
if ($path !== '/' . $file) {
logger("Path mismatch: $path !== /$file");
return NULL;
}
$prefix = '';
$suffix = '';
$r = q("select $prefix id, uid, hash, filename, filetype, filesize, revision, folder, flags, is_dir, created, edited from attach where folder = '%s' and uid = %d $perms $suffix",
dbesc($folder),
intval($channel_id)
);
foreach ($r as $rr) {
// @FIXME I don't think we use revisions currently in attach structures.
// In case we see any in the wild provide a unique filename. This
// name may or may not be accessible
if($rr['revision'])
$rr['filename'] .= '-' . $rr['revision'];
//logger('filename: ' . $rr['filename'], LOGGER_DEBUG);
if (intval($rr['is_dir'])) {
$ret[] = new Directory($path . '/' . $rr['filename'], $auth);
}
else {
$ret[] = new File($path . '/' . $rr['filename'], $rr, $auth);
}
}
return $ret;
}
/**
* @brief Returns an array with viewable channels.
*
* Get a list of Directory objects with all the channels where the visitor
* has view_storage perms.
*
*
* @param BasicAuth &$auth
* @return array Directory[]
*/
function ChannelList(&$auth) {
$ret = array();
$r = q("SELECT channel_id, channel_address FROM channel WHERE channel_removed = 0
AND channel_system = 0 AND (channel_pageflags & %d) = 0",
intval(PAGE_HIDDEN)
);
if ($r) {
foreach ($r as $rr) {
if (perm_is_allowed($rr['channel_id'], $auth->observer, 'view_storage')) {
logger('found channel: /cloud/' . $rr['channel_address'], LOGGER_DATA);
// @todo can't we drop '/cloud'? It gets stripped off anyway in RedDirectory
$ret[] = new Directory('/cloud/' . $rr['channel_address'], $auth);
}
}
}
return $ret;
}
/**
* @brief
*
* @param string $file
* path to file or directory
* @param BasicAuth &$auth
* @param boolean $test (optional) enable test mode
* @return File|Directory|boolean|null
* @throw "\Sabre\DAV\Exception\Forbidden"
*/
function FileData($file, &$auth, $test = false) {
logger($file . (($test) ? ' (test mode) ' : ''), LOGGER_DATA);
$x = strpos($file, '/cloud');
if ($x === 0) {
$file = substr($file, 6);
}
else {
$x = strpos($file, '/dav');
if($x === 0)
$file = substr($file, 4);
}
if ((! $file) || ($file === '/')) {
return new Directory('/', $auth);
}
$file = trim($file, '/');
$path_arr = explode('/', $file);
if (! $path_arr)
return null;
$channel_name = $path_arr[0];
$r = q("select channel_id from channel where channel_address = '%s' limit 1",
dbesc($channel_name)
);
if (! $r)
return null;
$channel_id = $r[0]['channel_id'];
$path = '/' . $channel_name;
$auth->owner_id = $channel_id;
$permission_error = false;
$folder = '';
require_once('include/security.php');
$perms = permissions_sql($channel_id);
$errors = false;
for ($x = 1; $x < count($path_arr); $x++) {
$r = q("select id, hash, filename, flags, is_dir from attach where folder = '%s' and filename = '%s' and uid = %d and is_dir != 0 $perms",
dbesc($folder),
dbesc($path_arr[$x]),
intval($channel_id)
);
if ($r && intval($r[0]['is_dir'])) {
$folder = $r[0]['hash'];
$path = $path . '/' . $r[0]['filename'];
}
if (! $r) {
$r = q("select id, uid, hash, filename, filetype, filesize, revision, folder, flags, is_dir, os_storage, created, edited from attach
where folder = '%s' and filename = '%s' and uid = %d $perms order by filename limit 1",
dbesc($folder),
dbesc(basename($file)),
intval($channel_id)
);
}
if (! $r) {
$errors = true;
$r = q("select id, uid, hash, filename, filetype, filesize, revision, folder, flags, is_dir, os_storage, created, edited from attach
where folder = '%s' and filename = '%s' and uid = %d order by filename limit 1",
dbesc($folder),
dbesc(basename($file)),
intval($channel_id)
);
if ($r)
$permission_error = true;
}
}
if ($path === '/' . $file) {
if ($test)
return true;
// final component was a directory.
return new Directory($file, $auth);
}
if ($errors) {
logger('not found ' . $file);
if ($test)
return false;
if ($permission_error) {
logger('permission error ' . $file);
throw new DAV\Exception\Forbidden('Permission denied.');
}
return;
}
if ($r) {
if ($test)
return true;
if (intval($r[0]['is_dir'])) {
return new Directory($path . '/' . $r[0]['filename'], $auth);
}
else {
return new File($path . '/' . $r[0]['filename'], $r[0], $auth);
}
}
return false;
}
}