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<?php
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/**
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* The SSH connection class for the update module.
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*/
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class FileTransferSSH extends FileTransfer implements FileTransferChmodInterface {
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function __construct($jail, $username, $password, $hostname = "localhost", $port = 22) {
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$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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function connect() {
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$this->connection = @ssh2_connect($this->hostname, $this->port);
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if (!$this->connection) {
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throw new FileTransferException('SSH Connection failed to @host:@port', NULL, array('@host' => $this->hostname, '@port' => $this->port));
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}
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if (!@ssh2_auth_password($this->connection, $this->username, $this->password)) {
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throw new FileTransferException('The supplied username/password combination was not accepted.');
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}
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}
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static function factory($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']) ? 22 : $settings['advanced']['port'];
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return new FileTransferSSH($jail, $username, $password, $hostname, $port);
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}
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protected function copyFileJailed($source, $destination) {
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if (!@ssh2_scp_send($this->connection, $source, $destination)) {
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throw new FileTransferException('Cannot copy @source_file to @destination_file.', NULL, array('@source' => $source, '@destination' => $destination));
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}
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}
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protected function copyDirectoryJailed($source, $destination) {
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if (@!ssh2_exec($this->connection, 'cp -Rp ' . escapeshellarg($source) . ' ' . escapeshellarg($destination))) {
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throw new FileTransferException('Cannot copy directory @directory.', NULL, array('@directory' => $source));
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}
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}
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protected function createDirectoryJailed($directory) {
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if (@!ssh2_exec($this->connection, 'mkdir ' . escapeshellarg($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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if (@!ssh2_exec($this->connection, 'rm -Rf ' . escapeshellarg($directory))) {
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throw new FileTransferException('Cannot remove @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 (!@ssh2_exec($this->connection, 'rm ' . escapeshellarg($destination))) {
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throw new FileTransferException('Cannot remove @directory.', NULL, array('@directory' => $destination));
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}
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}
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/**
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* WARNING: This is untested. It is not currently used, but should do the trick.
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*/
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public function isDirectory($path) {
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$directory = escapeshellarg($path);
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$cmd = "[ -d {$directory} ] && echo 'yes'";
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if ($output = @ssh2_exec($this->connection, $cmd)) {
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if ($output == 'yes') {
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return TRUE;
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}
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return FALSE;
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} else {
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throw new FileTransferException('Cannot check @path.', NULL, array('@path' => $path));
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}
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}
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public function isFile($path) {
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$file = escapeshellarg($path);
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$cmd = "[ -f {$file} ] && echo 'yes'";
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if ($output = @ssh2_exec($this->connection, $cmd)) {
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if ($output == 'yes') {
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return TRUE;
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}
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return FALSE;
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} else {
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throw new FileTransferException('Cannot check @path.', NULL, array('@path' => $path));
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}
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}
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function chmodJailed($path, $mode, $recursive) {
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$cmd = sprintf("chmod %s%o %s", $recursive ? '-R ' : '', $mode, escapeshellarg($path));
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if (@!ssh2_exec($this->connection, $cmd)) {
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throw new FileTransferException('Cannot change permissions of @path.', NULL, array('@path' => $path));
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}
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}
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/**
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* Returns the form to configure the FileTransfer class for SSH.
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*/
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public function getSettingsForm() {
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$form = parent::getSettingsForm();
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$form['advanced']['port']['#default_value'] = 22;
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return $form;
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}
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}
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