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<?php
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/**
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* Base class for FTP implementations.
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*/
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abstract class FileTransferFTP extends FileTransfer {
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public function __construct($jail, $username, $password, $hostname, $port) {
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$this->username = $username;
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$this->password = $password;
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$this->hostname = $hostname;
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$this->port = $port;
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parent::__construct($jail);
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}
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/**
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* Return an object which can implement the FTP protocol.
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*
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* @param string $jail
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* @param array $settings
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* @return FileTransferFTP
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* The appropriate FileTransferFTP subclass based on the available
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* options. If the FTP PHP extension is available, use it.
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*/
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static function factory($jail, $settings) {
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$username = empty($settings['username']) ? '' : $settings['username'];
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$password = empty($settings['password']) ? '' : $settings['password'];
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$hostname = empty($settings['advanced']['hostname']) ? 'localhost' : $settings['advanced']['hostname'];
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$port = empty($settings['advanced']['port']) ? 21 : $settings['advanced']['port'];
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if (function_exists('ftp_connect')) {
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$class = 'FileTransferFTPExtension';
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}
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else {
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throw new FileTransferException('No FTP backend available.');
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}
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return new $class($jail, $username, $password, $hostname, $port);
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}
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/**
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* Returns the form to configure the FileTransfer class for FTP.
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*/
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public function getSettingsForm() {
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$form = parent::getSettingsForm();
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$form['advanced']['port']['#default_value'] = 21;
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return $form;
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}
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}
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class FileTransferFTPExtension extends FileTransferFTP implements FileTransferChmodInterface {
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public function connect() {
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$this->connection = ftp_connect($this->hostname, $this->port);
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if (!$this->connection) {
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throw new FileTransferException("Cannot connect to FTP Server, check settings");
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}
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if (!ftp_login($this->connection, $this->username, $this->password)) {
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throw new FileTransferException("Cannot log in to FTP server. Check username and password");
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}
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}
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protected function copyFileJailed($source, $destination) {
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if (!@ftp_put($this->connection, $destination, $source, FTP_BINARY)) {
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throw new FileTransferException("Cannot move @source to @destination", NULL, array("@source" => $source, "@destination" => $destination));
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}
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}
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protected function createDirectoryJailed($directory) {
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if (!ftp_mkdir($this->connection, $directory)) {
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throw new FileTransferException("Cannot create directory @directory", NULL, array("@directory" => $directory));
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}
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}
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protected function removeDirectoryJailed($directory) {
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$pwd = ftp_pwd($this->connection);
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if (!ftp_chdir($this->connection, $directory)) {
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throw new FileTransferException("Unable to change to directory @directory", NULL, array('@directory' => $directory));
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}
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$list = @ftp_nlist($this->connection, '.');
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if (!$list) {
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$list = array();
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}
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foreach ($list as $item) {
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if ($item == '.' || $item == '..') {
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continue;
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}
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if (@ftp_chdir($this->connection, $item)) {
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ftp_cdup($this->connection);
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$this->removeDirectory(ftp_pwd($this->connection) . '/' . $item);
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}
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else {
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$this->removeFile(ftp_pwd($this->connection) . '/' . $item);
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}
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}
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ftp_chdir($this->connection, $pwd);
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if (!ftp_rmdir($this->connection, $directory)) {
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throw new FileTransferException("Unable to remove to directory @directory", NULL, array('@directory' => $directory));
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}
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}
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protected function removeFileJailed($destination) {
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if (!ftp_delete($this->connection, $destination)) {
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throw new FileTransferException("Unable to remove to file @file", NULL, array('@file' => $destination));
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}
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}
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public function isDirectory($path) {
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$result = FALSE;
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$curr = ftp_pwd($this->connection);
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if (@ftp_chdir($this->connection, $path)) {
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$result = TRUE;
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}
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ftp_chdir($this->connection, $curr);
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return $result;
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}
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public function isFile($path) {
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return ftp_size($this->connection, $path) != -1;
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}
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function chmodJailed($path, $mode, $recursive) {
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if (!ftp_chmod($this->connection, $mode, $path)) {
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throw new FileTransferException("Unable to set permissions on %file", NULL, array('%file' => $path));
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}
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if ($this->isDirectory($path) && $recursive) {
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$filelist = @ftp_nlist($this->connection, $path);
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if (!$filelist) {
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//empty directory - returns false
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return;
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}
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foreach ($filelist as $file) {
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$this->chmodJailed($file, $mode, $recursive);
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}
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}
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}
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}
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if (!function_exists('ftp_chmod')) {
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function ftp_chmod($ftp_stream, $mode, $filename) {
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return ftp_site($ftp_stream, sprintf('CHMOD %o %s', $mode, $filename));
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}
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}
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