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<?php
/** @constant integer VFS_FILE File value for vfs_type column. */
define('VFS_FILE', 1);
/** @constant integer VFS_FOLDER Folder value for vfs_type column. */
define('VFS_FOLDER', 2);
/**
* VFS:: implementation using PHP's PEAR database abstraction
* layer and local file system for file storage.
*
* <pre>
* Required values for $params:
* 'phptype' The database type (ie. 'pgsql', 'mysql, etc.).
* 'hostspec' The hostname of the database server.
* 'protocol' The communication protocol ('tcp', 'unix', etc.).
* 'username' The username with which to connect to the database.
* 'password' The password associated with 'username'.
* 'database' The name of the database.
* 'vfsroot' The root directory of where the files should be
* actually stored.
*
* Optional values:
* 'table' The name of the vfs table in 'database'. Defaults to
* 'horde_vfs'.
*
* Required by some database implementations:
* 'options' Additional options to pass to the database.
* 'tty' The TTY on which to connect to the database.
* 'port' The port on which to connect to the database.
* </pre>
*
* The table structure for the VFS can be found in
* horde/scripts/db/vfs.sql.
*
* $Horde: framework/VFS/VFS/sql_file.php,v 1.44.4.1 2005/03/16 13:27:03 jan Exp $
*
* @author Michael Varghese <mike.varghese@ascellatech.com>
* @version $Revision: 1.44.4.1 $
* @since Horde 2.2
* @package VFS
*/
class VFS_sql_file extends VFS {
/**
* Handle for the current database connection.
*
* @var object DB $_db
*/
var $_db = false;
/**
* Retrieve a file from the VFS.
*
* @access public
*
* @param string $path The pathname to the file.
* @param string $name The filename to retrieve.
*
* @return string The file data.
*/
function read($path, $name)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$file = $this->_getNativePath($path, $name);
$fp = @fopen($file, 'rb');
if (!$fp) {
return PEAR::raiseError(_("Unable to open VFS file."));
}
$data = fread($fp, filesize($file));
fclose($fp);
return $data;
}
/**
* Store a file in the VFS, with the data copied from a temporary
* file.
*
* @access public
*
* @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 optional boolean $autocreate Automatically create directories?
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function write($path, $name, $tmpFile, $autocreate = false)
{
$dataFP = @fopen($tmpFile, 'rb');
$data = @fread($dataFP, filesize($tmpFile));
fclose($dataFP);
return $this->writeData($path, $name, $data, $autocreate);
}
/**
* Store a file in the VFS from raw data.
*
* @access public
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param string $data The file data.
* @param optional boolean $autocreate Automatically create directories?
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function writeData($path, $name, $data, $autocreate = false)
{
$fp = @fopen($this->_getNativePath($path, $name), 'w');
if (!$fp) {
if ($autocreate) {
$result = $this->autocreatePath($path);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
$fp = @fopen($this->_getNativePath($path, $name), 'w');
if (!$fp) {
return PEAR::raiseError(_("Unable to open VFS file for writing."));
}
} else {
return PEAR::raiseError(_("Unable to open VFS file for writing."));
}
}
if (!@fwrite($fp, $data)) {
return PEAR::raiseError(_("Unable to write VFS file data."));
}
if (is_a($this->_writeSQLData($path, $name, $autocreate), 'PEAR_Error')) {
@unlink($this->_getNativePath($path, $name));
return PEAR::raiseError(_("Unable to write VFS file data."));
}
}
/**
* Moves a file in the database and the file system.
*
* @access public
*
* @param string $path The path to store the file in.
* @param string $name The old filename.
* @param string $dest The new filename.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function move($path, $name, $dest)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$fileCheck = $this->listFolder($dest, null, false);
foreach ($fileCheck as $file) {
if ($file['name'] == $name) {
return PEAR::raiseError(_("Unable to move VFS file."));
}
}
if (strpos($dest, $this->_getSQLNativePath($path, $name)) !== false) {
return PEAR::raiseError(_("Unable to move VFS file."));
}
return $this->rename($path, $name, $dest, $name);
}
/**
* Copies a file through the backend.
*
* @access public
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param string $dest The destination of the file.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function copy($path, $name, $dest)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$fileCheck = $this->listFolder($dest, null, false);
foreach ($fileCheck as $file) {
if ($file['name'] == $name) {
return PEAR::raiseError(_("Unable to copy VFS file."));
}
}
if (strpos($dest, $this->_getSQLNativePath($path, $name)) !== false) {
return PEAR::raiseError(_("Unable to copy VFS file."));
}
if (is_dir($this->_getNativePath($path, $name))) {
return $this->_recursiveCopy($path, $name, $dest);
}
if (!@copy($this->_getNativePath($path, $name), $this->_getNativePath($dest, $name))) {
return PEAR::raiseError(_("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 (%s, %s, %s, %s, %s, %s)',
$this->_params['table'],
$this->_db->quote($id),
$this->_db->quote(VFS_FILE),
$this->_db->quote($dest),
$this->_db->quote($name),
$this->_db->quote(time()),
$this->_db->quote($this->_params['user'])
);
$result = $this->_db->query($query);
if (is_a($result, 'PEAR_Error')) {
unlink($this->_getNativePath($dest, $name));
return $result;
}
return true;
}
/**
* Creates a folder on the VFS.
*
* @access public
*
* @param string $path Holds the path of directory to create folder.
* @param string $name Holds the name of the new folder.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function createFolder($path, $name)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$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 (%s, %s, %s, %s, %s, %s)',
$this->_params['table'],
$this->_db->quote($id),
$this->_db->quote(VFS_FOLDER),
$this->_db->quote($path),
$this->_db->quote($name),
$this->_db->quote(time()),
$this->_db->quote($this->_params['user'])));
if (is_a($result, 'PEAR_Error')) {
return $result;
}
if (!@mkdir($this->_getNativePath($path, $name))) {
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_id = %s',
$this->_params['table'],
$this->_db->quote($id)));
return PEAR::raiseError(_("Unable to create VFS directory."));
}
return true;
}
/**
* Rename a file or folder in the VFS.
*
* @access public
*
* @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 $newname The new filename.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function rename($oldpath, $oldname, $newpath, $newname)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$result = $this->_db->query(sprintf('UPDATE %s SET vfs_path = %s, vfs_name = %s, vfs_modified = %s
WHERE vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote($newpath),
$this->_db->quote($newname),
$this->_db->quote(time()),
$this->_db->quote($oldpath),
$this->_db->quote($oldname)));
if ($this->_db->affectedRows() == 0) {
return PEAR::raiseError(_("Unable to rename VFS file."));
}
if (is_a($this->_recursiveSQLRename($oldpath, $oldname, $newpath, $newname), 'PEAR_Error')) {
$result = $this->_db->query(sprintf('UPDATE %s SET vfs_path = %s, vfs_name = %s
WHERE vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote($oldpath),
$this->_db->quote($oldname),
$this->_db->quote($newpath),
$this->_db->quote($newname)));
return PEAR::raiseError(_("Unable to rename VFS directory."));
}
if (!@rename($this->_getNativePath($oldpath, $oldname), $this->_getNativePath($newpath, $newname))) {
$result = $this->_db->query(sprintf('UPDATE %s SET vfs_path = %s, vfs_name = %s
WHERE vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote($oldpath),
$this->_db->quote($oldname),
$this->_db->quote($newpath),
$this->_db->quote($newname)));
return PEAR::raiseError(_("Unable to rename VFS file."));
}
return true;
}
/**
* Delete a folder from the VFS.
*
* @access public
*
* @param string $path The path to delete the folder from.
* @param string $name The foldername to use.
* @param optional boolean $recursive Force a recursive delete?
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function deleteFolder($path, $name, $recursive = false)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
if ($recursive) {
$result = $this->emptyFolder($path . '/' . $name);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
} else {
$list = $this->listFolder($path . '/' . $name);
if (is_a($list, 'PEAR_Error')) {
return $list;
}
if (count($list)) {
return PEAR::raiseError(sprintf(_("Unable to delete %s, the directory is not empty"),
$path . '/' . $name));
}
}
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = %s AND vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote(VFS_FOLDER),
$this->_db->quote($path),
$this->_db->quote($name)));
if ($this->_db->affectedRows() == 0 || is_a($result, 'PEAR_Error')) {
return PEAR::raiseError(_("Unable to delete VFS directory."));
}
if (is_a($this->_recursiveSQLDelete($path, $name), 'PEAR_Error')) {
return PEAR::raiseError(_("Unable to delete VFS directory recursively."));
}
if (is_a($this->_recursiveLFSDelete($path, $name), 'PEAR_Error')) {
return PEAR::raiseError(_("Unable to delete VFS directory recursively."));
}
return $result;
}
/**
* Delete a file from the VFS.
*
* @access public
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function deleteFile($path, $name)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = %s AND vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote(VFS_FILE),
$this->_db->quote($path),
$this->_db->quote($name)));
if ($this->_db->affectedRows() == 0) {
return PEAR::raiseError(_("Unable to delete VFS file."));
}
if (is_a($result, 'PEAR_Error')) {
return $result;
}
if (!@unlink($this->_getNativePath($path, $name))) {
return PEAR::raiseError(_("Unable to delete VFS file."));
}
}
/**
* Return a list of the contents of a folder.
*
* @access public
*
* @param string $path The directory path.
* @param optional mixed $filter String/hash of items to filter based
* on filename.
* @param optional boolean $dotfiles Show dotfiles?
* @param optional boolean $dironly Show directories only?
*
* @return mixed File list on success or false on failure.
*/
function _listFolder($path, $filter = null, $dotfiles = true,
$dironly = false)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$files = array();
$fileList = array();
$fileList = $this->_db->getAll(sprintf('SELECT vfs_name, vfs_type, vfs_modified, vfs_owner FROM %s
WHERE vfs_path = %s',
$this->_params['table'],
$this->_db->quote($path)));
if (is_a($fileList, 'PEAR_Error')) {
return $fileList;
}
foreach ($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] == VFS_FILE) {
$name = explode('.', $line[0]);
if (count($name) == 1) {
$file['type'] = '**none';
} else {
$file['type'] = VFS::strtolower($name[count($name) - 1]);
}
$file['size'] = filesize($this->_getNativePath($path, $line[0]));
} elseif ($line[1] == VFS_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;
}
/**
* Returns a sorted list of folders in specified directory.
*
* @access public
*
* @param optional string $path The path of the directory to get
* the directory list for.
* @param optional mixed $filter String/hash of items to filter
* based on folderlist.
* @param optional boolean $dotfolders Include dotfolders?
*
* @return mixed Folder list on success or a PEAR_Error object on failure.
*/
function listFolders($path = '', $filter = array(), $dotfolders = true)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
$sql = sprintf('SELECT vfs_name, vfs_path FROM %s WHERE vfs_path = %s AND vfs_type = %s',
$this->_params['table'],
$this->_db->quote($path),
VFS_FOLDER);
$folderList = $this->_db->getAll($sql);
if (is_a($folderList, 'PEAR_Error')) {
return $folderList;
}
$folders = array();
foreach ($folderList as $line) {
$folder['val'] = $this->_getNativePath($line[1], $line[0]);
$folder['abbrev'] = '';
$folder['label'] = '';
$count = substr_count($folder['val'], '/');
$x = 0;
while ($x < $count) {
$folder['abbrev'] .= ' ';
$folder['label'] .= ' ';
$x++;
}
$folder['abbrev'] .= $line[0];
$folder['label'] .= $line[0];
$strlen = VFS::strlen($folder['label']);
if ($strlen > 26) {
$folder['abbrev'] = substr($folder['label'], 0, ($count * 4));
$length = (29 - ($count * 4)) / 2;
$folder['abbrev'] .= substr($folder['label'], ($count * 4), $length);
$folder['abbrev'] .= '...';
$folder['abbrev'] .= substr($folder['label'], -1 * $length, $length);
}
$found = false;
foreach ($filter as $fltr) {
if ($folder['val'] == $fltr) {
$found = true;
}
}
if (!$found) {
$folders[$folder['val']] = $folder;
}
}
ksort($folders);
return $folders;
}
/**
* Recursively copies the contents of a folder to a destination.
*
* @access private
*
* @param string $path The path to store the directory in.
* @param string $name The name of the directory.
* @param string $dest The destination of the directory.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _recursiveCopy($path, $name, $dest)
{
$result = $this->createFolder($dest, $name);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
$file_list = $this->listFolder($this->_getSQLNativePath($path, $name));
foreach ($file_list as $file) {
$result = $this->copy($this->_getSQLNativePath($path, $name), $file['name'], $this->_getSQLNativePath($dest, $name));
if (is_a($result, 'PEAR_Error')) {
return $result;
}
}
return true;
}
/**
* Store a files information within the database.
*
* @access private
*
* @param string $path The path to store the file in.
* @param string $name The filename to use.
* @param optional boolean $autocreate Automatically create directories?
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _writeSQLData($path, $name, $autocreate = false)
{
$conn = $this->_connect();
if (is_a($conn, 'PEAR_Error')) {
return $conn;
}
// File already exists in database
if ($this->exists($path, $name)) {
$query = sprintf('UPDATE %s SET vfs_modified = %s WHERE vfs_path = %s AND vfs_name = %s',
$this->_params['table'],
$this->_db->quote(time()),
$this->_db->quote($path),
$this->_db->quote($name));
} else {
$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 (%s, %s, %s, %s, %s, %s)',
$this->_params['table'],
$this->_db->quote($id),
$this->_db->quote(VFS_FILE),
$this->_db->quote($path),
$this->_db->quote($name),
$this->_db->quote(time()),
$this->_db->quote($this->_params['user']));
}
return $this->_db->query($query);
}
/**
* Renames all child paths.
*
* @access private
*
* @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 $newname The new name.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _recursiveSQLRename($oldpath, $oldname, $newpath, $newname)
{
$folderList = $this->_db->getCol(sprintf('SELECT vfs_name FROM %s WHERE vfs_type = %s AND vfs_path = %s',
$this->_params['table'],
$this->_db->quote(VFS_FOLDER),
$this->_db->quote($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 = %s WHERE vfs_path = %s',
$this->_params['table'],
$this->_db->quote($this->_getSQLNativePath($newpath, $newname)),
$this->_db->quote($this->_getSQLNativePath($oldpath, $oldname))));
if (is_a($result, 'PEAR_Error')) {
return $result;
}
}
/**
* Delete a folders contents from the VFS in the SQL database,
* recursively.
*
* @access private
*
* @param string $path The path of the folder.
* @param string $name The foldername to use.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _recursiveSQLDelete($path, $name)
{
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = %s AND vfs_path = %s',
$this->_params['table'],
$this->_db->quote(VFS_FILE),
$this->_db->quote($this->_getSQLNativePath($path, $name))));
if (is_a($result, 'PEAR_Error')) {
return $result;
}
$folderList = $this->_db->getCol(sprintf('SELECT vfs_name FROM %s WHERE vfs_type = %s AND vfs_path = %s',
$this->_params['table'],
$this->_db->quote(VFS_FOLDER),
$this->_db->quote($this->_getSQLNativePath($path, $name))));
foreach ($folderList as $folder) {
$this->_recursiveSQLDelete($this->_getSQLNativePath($path, $name), $folder);
}
$result = $this->_db->query(sprintf('DELETE FROM %s WHERE vfs_type = %s AND vfs_name = %s AND vfs_path = %s',
$this->_params['table'],
$this->_db->quote(VFS_FOLDER),
$this->_db->quote($name),
$this->_db->quote($path)));
return $result;
}
/**
* Delete a folders contents from the VFS, recursively.
*
* @access private
*
* @param string $path The path of the folder.
* @param string $name The foldername to use.
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _recursiveLFSDelete($path, $name)
{
$dir = $this->_getNativePath($path, $name);
$dh = @opendir($dir);
while (false !== ($file = readdir($dh))) {
if ($file != '.' && $file != '..') {
if (is_dir($dir . '/' . $file)) {
$this->_recursiveLFSDelete(empty($path) ? $name : $path . '/' . $name, $file);
} else {
@unlink($dir . '/' . $file);
}
}
}
@closedir($dh);
return rmdir($dir);
}
/**
* Attempts to open a persistent connection to the SQL server.
*
* @access private
*
* @return mixed True on success or a PEAR_Error object on failure.
*/
function _connect()
{
if ($this->_db === false) {
if (!is_array($this->_params)) {
return PEAR::raiseError(_("No configuration information specified for SQL-File VFS."));
}
$required = array('phptype', 'hostspec', 'username', 'password', 'database', 'vfsroot');
foreach ($required as $val) {
if (!isset($this->_params[$val])) {
return PEAR::raiseError(sprintf(_("Required '%s' not specified in VFS configuration."), $val));
}
}
if (!isset($this->_params['table'])) {
$this->_params['table'] = 'horde_vfs';
}
/* Connect to the SQL server using the supplied parameters. */
require_once 'DB.php';
$this->_db = &DB::connect($this->_params,
array('persistent' => !empty($this->_params['persistent'])));
if (is_a($this->_db, 'PEAR_Error')) {
$error = $this->_db;
$this->_db = false;
return $error;
}
$this->_db->setOption('portability', DB_PORTABILITY_LOWERCASE | DB_PORTABILITY_ERRORS);
}
return true;
}
/**
* Disconnect from the SQL server and clean up the connection.
*
* @access private
*/
function _disconnect()
{
if ($this->_db) {
$this->_db->disconnect();
$this->_db = false;
}
}
/**
* Return a full filename on the native filesystem, from a VFS
* path and name.
*
* @access private
*
* @param string $path The VFS file path.
* @param string $name The VFS filename.
*
* @return string The full native filename.
*/
function _getNativePath($path, $name)
{
if (!empty($name)) {
$name = '/' . $name;
}
if (isset($path)) {
if (isset($this->_params['home']) &&
preg_match('|^~/?(.*)$|', $path, $matches)) {
$path = $this->_params['home'] . '/' . $matches[1];
}
return $this->_params['vfsroot'] . '/' . $path . $name;
} else {
return $this->_params['vfsroot'] . $name;
}
}
/**
* Return a full SQL filename on the native filesystem, from a VFS
* path and name.
*
* @access private
*
* @param string $path The VFS file path.
* @param string $name The VFS filename.
*
* @return string The full native filename.
*/
function _getSQLNativePath($path, $name)
{
if (empty($path)) {
return $name;
}
return $path . '/' . $name;
}
}
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