/usr/share/php/Horde/Vfs/SqlFile.php is in php-horde-vfs 2.2.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Horde_Vfs:: implementation using PHP's PEAR database abstraction
* layer and local file system for file storage.
*
* Required values for $params:<pre>
* db - (DB) The DB object.
* vfsroot - (string) The root directory of where the files should be
* actually stored.</pre>
*
* Optional values:<pre>
* table - (string) The name of the vfs table in 'database'. Defaults to
* 'horde_vfs'.</pre>
*
* The table structure for the VFS can be found in data/vfs.sql.
*
* @author Michael Varghese <mike.varghese@ascellatech.com>
* @category Horde
* @package VFS
*/
class Horde_Vfs_SqlFile extends Horde_Vfs_File
{
/* File value for vfs_type column. */
const FILE = 1;
/* Folder value for vfs_type column. */
const FOLDER = 2;
/**
* Handle for the current database connection.
*
* @var DB
*/
protected $_db = false;
/**
* Constructor.
*
* @param array $params A hash containing connection parameters.
*/
public function __construct($params = array())
{
throw new Horde_Vfs_Exception('The SqlFile VFS driver needs to be refactored to a real composite driver.');
}
/**
* Store a file in the VFS, with the data copied from a temporary
* file.
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param string $tmpFile The temporary file containing the data to be
* stored.
* @param boolean $autocreate Automatically create directories?
*
* @throws Horde_Vfs_Exception
*/
public function write($path, $name, $tmpFile, $autocreate = false)
{
/* No need to check quota here as we will check it when we call
* writeData(). */
$data = file_get_contents($tmpFile);
return $this->writeData($path, $name, $data, $autocreate);
}
/**
* Store a file in the VFS from raw data.
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param string $data The file data.
* @param boolean $autocreate Automatically create directories?
*
* @throws Horde_Vfs_Exception
*/
public function writeData($path, $name, $data, $autocreate = false)
{
$this->_checkQuotaWrite('string', $data);
$fp = @fopen($this->_getNativePath($path, $name), 'w');
if (!$fp) {
if ($autocreate) {
$this->autocreatePath($path);
$fp = @fopen($this->_getNativePath($path, $name), 'w');
if (!$fp) {
throw new Horde_Vfs_Exception('Unable to open VFS file for writing.');
}
} else {
throw new Horde_Vfs_Exception('Unable to open VFS file for writing.');
}
}
if (!@fwrite($fp, $data)) {
throw new Horde_Vfs_Exception('Unable to write VFS file data.');
}
if ($this->_writeSQLData($path, $name) instanceof PEAR_Error) {
@unlink($this->_getNativePath($path, $name));
throw new Horde_Vfs_Exception('Unable to write VFS file data.');
}
}
/**
* Moves a file in the database and the file system.
*
* @param string $path The path to store the file in.
* @param string $name The old filename.
* @param string $dest The new filename.
* @param boolean $autocreate Automatically create directories?
*
* @throws Horde_Vfs_Exception
*/
public function move($path, $name, $dest, $autocreate = false)
{
$orig = $this->_getNativePath($path, $name);
if (preg_match('|^' . preg_quote($orig) . '/?$|', $dest)) {
throw new Horde_Vfs_Exception('Cannot move file(s) - destination is within source.');
}
if ($autocreate) {
$this->autocreatePath($dest);
}
foreach ($this->listFolder($dest, null, false) as $file) {
if ($file['name'] == $name) {
throw new Horde_Vfs_Exception('Unable to move VFS file.');
}
}
if (strpos($dest, $this->_getSQLNativePath($path, $name)) !== false) {
throw new Horde_Vfs_Exception('Unable to move VFS file.');
}
$this->rename($path, $name, $dest, $name);
}
/**
* Copies a file through the backend.
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param string $dest The destination of the file.
* @param boolean $autocreate Automatically create directories?
*
* @throws Horde_Vfs_Exception
*/
public function copy($path, $name, $dest, $autocreate = false)
{
$this->_checkDestination($path, $dest);
$this->_connect();
if ($autocreate) {
$this->autocreatePath($dest);
}
foreach ($this->listFolder($dest, null, false) as $file) {
if ($file['name'] == $name) {
throw new Horde_Vfs_Exception('Unable to copy VFS file.');
}
}
if (strpos($dest, $this->_getSQLNativePath($path, $name)) !== false) {
throw new Horde_Vfs_Exception('Unable to copy VFS file.');
}
if (is_dir($orig)) {
return $this->_recursiveCopy($path, $name, $dest);
}
$this->_checkQuotaWrite('file', $orig);
if (!@copy($orig, $this->_getNativePath($dest, $name))) {
throw new Horde_Vfs_Exception('Unable to copy VFS file.');
}
$id = $this->_db->nextId($this->_params['table']);
$query = sprintf('INSERT INTO %s (vfs_id, vfs_type, vfs_path, vfs_name, vfs_modified, vfs_owner) VALUES (?, ?, ?, ?, ?, ?)',
$this->_params['table']);
$values = array($id, self::FILE, $dest, $name, time(), $this->_params['user']);
$result = $this->_db->query($query, $values);
if ($result instanceof PEAR_Error) {
unlink($this->_getNativePath($dest, $name));
throw new Horde_Vfs_Exception($result->getMessage());
}
}
/**
* Creates a folder on the VFS.
*
* @param string $path Holds the path of directory to create folder.
* @param string $name Holds the name of the new folder.
*
* @throws Horde_Vfs_Exception
*/
public function createFolder($path, $name)
{
$this->_connect();
$id = $this->_db->nextId($this->_params['table']);
$result = $this->_db->query(sprintf('INSERT INTO %s (vfs_id, vfs_type, vfs_path, vfs_name, vfs_modified, vfs_owner)
VALUES (?, ?, ?, ?, ?, ?)',
$this->_params['table']),
array($id, self::FOLDER, $path, $name, time(), $this->_params['user']));
if ($result instanceof PEAR_Error) {
throw new Horde_Vfs_Exception($result->getMessage());
}
if (!@mkdir($this->_getNativePath($path, $name))) {
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_id = ?',
$this->_params['table']),
array($id));
throw new Horde_Vfs_Exception('Unable to create VFS directory.');
}
}
/**
* Rename a file or folder in the VFS.
*
* @param string $oldpath The old path to the file.
* @param string $oldname The old filename.
* @param string $newpath The new path of the file.
* @param string $newname The new filename.
*
* @throws Horde_Vfs_Exception
*/
public function rename($oldpath, $oldname, $newpath, $newname)
{
$this->_connect();
if (strpos($newpath, '/') === false) {
$parent = '';
$path = $newpath;
} else {
list($parent, $path) = explode('/', $newpath, 2);
}
if (!$this->isFolder($parent, $path)) {
$this->autocreatePath($newpath);
}
$this->_db->query(sprintf('UPDATE %s SET vfs_path = ?, vfs_name = ?, vfs_modified = ? WHERE vfs_path = ? AND vfs_name = ?', $this->_params['table']), array($newpath, $newname, time(), $oldpath, $oldname));
if ($this->_db->affectedRows() == 0) {
throw new Horde_Vfs_Exception('Unable to rename VFS file.');
}
if (is_a($this->_recursiveSQLRename($oldpath, $oldname, $newpath, $newname), 'PEAR_Error')) {
$this->_db->query(sprintf('UPDATE %s SET vfs_path = ?, vfs_name = ? WHERE vfs_path = ? AND vfs_name = ?', $this->_params['table']), array($oldpath, $oldname, $newpath, $newname));
throw new Horde_Vfs_Exception('Unable to rename VFS directory.');
}
if (!@is_dir($this->_getNativePath($newpath))) {
$this->autocreatePath($newpath);
}
if (!@rename($this->_getNativePath($oldpath, $oldname), $this->_getNativePath($newpath, $newname))) {
$this->_db->query(sprintf('UPDATE %s SET vfs_path = ?, vfs_name = ? WHERE vfs_path = ? AND vfs_name = ?', $this->_params['table']), array($oldpath, $oldname, $newpath, $newname));
return PEAR::raiseError(Horde_Vfs_Translation::t("Unable to rename VFS file."));
}
}
/**
* Delete a folder from the VFS.
*
* @param string $path The path to delete the folder from.
* @param string $name The foldername to use.
* @param boolean $recursive Force a recursive delete?
*
* @throws Horde_Vfs_Exception
*/
public function deleteFolder($path, $name, $recursive = false)
{
$this->_connect();
if ($recursive) {
$this->emptyFolder($path . '/' . $name);
} else {
$list = $this->listFolder($path . '/' . $name);
if (count($list)) {
throw new Horde_Vfs_Exception(sprintf('Unable to delete %s, the directory is not empty', $path . '/' . $name));
}
}
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = ? AND vfs_path = ? AND vfs_name = ?', $this->_params['table']), array(self::FOLDER, $path, $name));
if ($this->_db->affectedRows() == 0 || ($result instanceof PEAR_Error)) {
throw new Horde_Vfs_Exception('Unable to delete VFS directory.');
}
if ($this->_recursiveSQLDelete($path, $name) instanceof PEAR_Error ||
$this->_recursiveLFSDelete($path, $name) instanceof PEAR_Error) {
throw new Horde_Vfs_Exception('Unable to delete VFS directory recursively.');
}
}
/**
* Delete a file from the VFS.
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
*
* @throws Horde_Vfs_Exception
*/
public function deleteFile($path, $name)
{
$this->_checkQuotaDelete($path, $name);
$this->_connect();
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = ? AND vfs_path = ? AND vfs_name = ?',
$this->_params['table']),
array(self::FILE, $path, $name));
if ($this->_db->affectedRows() == 0) {
throw new Horde_Vfs_Exception('Unable to delete VFS file.');
}
if ($result instanceof PEAR_Error) {
throw new Horde_Vfs_Exception($result->getMessage());
}
if (!@unlink($this->_getNativePath($path, $name))) {
throw new Horde_Vfs_Exception('Unable to delete VFS file.');
}
}
/**
* Returns an unsorted file list of the specified directory.
*
* @param string $path The path of the directory.
* @param string|array $filter Regular expression(s) to filter
* file/directory name on.
* @param boolean $dotfiles Show dotfiles?
* @param boolean $dironly Show only directories?
*
* @return array File list.
* @throws Horde_Vfs_Exception
*/
protected function _listFolder($path, $filter = null, $dotfiles = true,
$dironly = false)
{
$this->_connect();
$files = array();
$fileList = $this->_db->getAll(sprintf('SELECT vfs_name, vfs_type, vfs_modified, vfs_owner FROM %s
WHERE vfs_path = ?',
$this->_params['table']),
array($path));
if ($fileList instanceof PEAR_Error) {
throw new Horde_Vfs_Exception($fileList->getMessage());
}
foreach ($fileList as $line) {
// Filter out dotfiles if they aren't wanted.
if (!$dotfiles && substr($line[0], 0, 1) == '.') {
continue;
}
$file['name'] = $line[0];
if ($line[1] == self::FILE) {
$name = explode('.', $line[0]);
if (count($name) == 1) {
$file['type'] = '**none';
} else {
$file['type'] = Horde_String::lower($name[count($name) - 1]);
}
$file['size'] = filesize($this->_getNativePath($path, $line[0]));
} elseif ($line[1] == self::FOLDER) {
$file['type'] = '**dir';
$file['size'] = -1;
}
$file['date'] = $line[2];
$file['owner'] = $line[3];
$file['perms'] = '';
$file['group'] = '';
// Filtering.
if ($this->_filterMatch($filter, $file['name'])) {
unset($file);
continue;
}
if ($dironly && $file['type'] !== '**dir') {
unset($file);
continue;
}
$files[$file['name']] = $file;
unset($file);
}
return $files;
}
/**
* Recursively copies the contents of a folder to a destination.
*
* @param string $path The path to store the directory in.
* @param string $name The name of the directory.
* @param string $dest The destination of the directory.
*
* @throws Horde_Vfs_Exception
*/
protected function _recursiveCopy($path, $name, $dest)
{
$this->createFolder($dest, $name);
$file_list = $this->listFolder($this->_getSQLNativePath($path, $name));
foreach ($file_list as $file) {
$this->copy($this->_getSQLNativePath($path, $name), $file['name'], $this->_getSQLNativePath($dest, $name));
}
}
/**
* Store a files information within the database.
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
*
* @throws Horde_Vfs_Exception
*/
protected function _writeSQLData($path, $name)
{
$this->_connect();
// File already exists in database
if ($this->exists($path, $name)) {
$query = 'UPDATE ' . $this->_params['table'] .
' SET vfs_modified = ?' .
' WHERE vfs_path = ? AND vfs_name = ?';
$values = array(time(), $path, $name);
} else {
$id = $this->_db->nextId($this->_params['table']);
$query = 'INSERT INTO ' . $this->_params['table'] .
' (vfs_id, vfs_type, vfs_path, vfs_name, vfs_modified,' .
' vfs_owner) VALUES (?, ?, ?, ?, ?, ?)';
$values = array($id, self::FILE, $path, $name, time(),
$this->_params['user']);
}
return $this->_db->query($query, $values);
}
/**
* Renames all child paths.
*
* @param string $oldpath The old path of the folder to rename.
* @param string $oldname The old name.
* @param string $newpath The new path of the folder to rename.
* @param string $newname The new name.
*
* @throws Horde_Vfs_Exception
*/
protected function _recursiveSQLRename($oldpath, $oldname, $newpath,
$newname)
{
$folderList = $this->_db->getCol(sprintf('SELECT vfs_name FROM %s WHERE vfs_type = ? AND vfs_path = ?',
$this->_params['table']),
0,
array(self::FOLDER, $this->_getSQLNativePath($oldpath, $oldname)));
foreach ($folderList as $folder) {
$this->_recursiveSQLRename($this->_getSQLNativePath($oldpath, $oldname), $folder, $this->_getSQLNativePath($newpath, $newname), $folder);
}
$result = $this->_db->query(sprintf('UPDATE %s SET vfs_path = ? WHERE vfs_path = ?',
$this->_params['table']),
array($this->_getSQLNativePath($newpath, $newname),
$this->_getSQLNativePath($oldpath, $oldname)));
if ($result instanceof PEAR_Error) {
throw new Horde_Vfs_Exception($result->getMessage());
}
}
/**
* Delete a folders contents from the VFS in the SQL database,
* recursively.
*
* @param string $path The path of the folder.
* @param string $name The foldername to use.
*
* @throws Horde_Vfs_Exception
*/
protected function _recursiveSQLDelete($path, $name)
{
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = ? AND vfs_path = ?', $this->_params['table']), array(self::FILE, $this->_getSQLNativePath($path, $name)));
if ($result instanceof PEAR_Error) {
throw new Horde_Vfs_Exception($result->getMessage());
}
$folderList = $this->_db->getCol(sprintf('SELECT vfs_name FROM %s WHERE vfs_type = ? AND vfs_path = ?', $this->_params['table']), 0, array(self::FOLDER, $this->_getSQLNativePath($path, $name)));
foreach ($folderList as $folder) {
$this->_recursiveSQLDelete($this->_getSQLNativePath($path, $name), $folder);
}
$this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = ? AND vfs_name = ? AND vfs_path = ?', $this->_params['table']), array(self::FOLDER, $name, $path));
}
/**
* Delete a folders contents from the VFS, recursively.
*
* @param string $path The path of the folder.
* @param string $name The foldername to use.
*
* @throws Horde_Vfs_Exception
*/
protected function _recursiveLFSDelete($path, $name)
{
$dir = $this->_getNativePath($path, $name);
$dh = @opendir($dir);
while (false !== ($file = readdir($dh))) {
if ($file != '.' && $file != '..') {
if (is_dir($dir . '/' . $file)) {
$this->_recursiveLFSDelete(!strlen($path) ? $name : $path . '/' . $name, $file);
} else {
@unlink($dir . '/' . $file);
}
}
}
@closedir($dh);
rmdir($dir);
}
/**
* Attempts to open a persistent connection to the SQL server.
*
* @throws Horde_Vfs_Exception
*/
protected function _connect()
{
if ($this->_db !== false) {
return;
}
$required = array('db', 'vfsroot');
foreach ($required as $val) {
if (!isset($this->_params[$val])) {
throw new Horde_Vfs_Exception(sprintf('Required "%s" not specified in VFS configuration.', $val));
}
}
$this->_params = array_merge(array(
'table' => 'horde_vfs',
), $this->_params);
$this->_db = $this->_params['db'];
}
/**
* Return a full filename on the native filesystem, from a VFS
* path and name.
*
* @param string $path The VFS file path.
* @param string $name The VFS filename.
*
* @return string The full native filename.
*/
protected function _getNativePath($path, $name)
{
if (strlen($name)) {
$name = '/' . $name;
}
if (strlen($path)) {
if (isset($this->_params['home']) &&
preg_match('|^~/?(.*)$|', $path, $matches)) {
$path = $this->_params['home'] . '/' . $matches[1];
}
return $this->_params['vfsroot'] . '/' . $path . $name;
}
return $this->_params['vfsroot'] . $name;
}
/**
* Return a full SQL filename on the native filesystem, from a VFS
* path and name.
*
* @param string $path The VFS file path.
* @param string $name The VFS filename.
*
* @return string The full native filename.
*/
protected function _getSQLNativePath($path, $name)
{
return strlen($path)
? $path . '/' . $name
: $name;
}
}
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