103 lines
2.6 KiB
PHP
103 lines
2.6 KiB
PHP
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<?php
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// $Id$
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/*
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* Connection class.
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*
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* This class does file operations on directories not writeable by the
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* webserver. It connects back to the server using some backend (for example
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* FTP or SSH). To keep security the password should always be asked from the
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* user and never stored.
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*/
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abstract class FileTransfer {
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/**
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* The constructer for the UpdateConnection class. This method is also called
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* from the classes that extend this class and override this method.
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*/
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function __construct($settings) {
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$this->username = $settings['username'];
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$this->password = $settings['password'];
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$this->hostname = isset($settings['hostname']) ? $settings['hostname'] : 'localhost';
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if (isset($settings['port'])) {
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$this->port = $settings['port'];
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}
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}
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/**
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* Implementation of the magic __get() method. If the connection isn't set to
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* anything, this will call the connect() method and set it to and return the
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* result; afterwards, the connection will be returned directly without using
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* this method.
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*/
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function __get($name) {
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static $connection;
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if ($name == 'connection') {
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$this->connection = $this->connect();
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return $this->connection;
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}
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}
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/**
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* Copies a directory.
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*
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* @param $source
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* The source path.
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* @param $destination
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* The destination path.
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*/
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protected function copyDirectory($source, $destination) {
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$this->createDirectory($destination . basename($source));
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST) as $filename => $file) {
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$relative_path = basename($source) . substr($filename, strlen($source));
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if ($file->isDir()) {
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$this->createDirectory($destination . $relative_path);
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}
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else {
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$this->copyFile($file->getPathName(), $destination . $relative_path);
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}
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}
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}
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/**
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* Creates a directory.
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*
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* @param $directory
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* The directory to be created.
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*/
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abstract function createDirectory($directory);
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/**
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* Removes a directory.
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*
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* @param $directory
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* The directory to be removed.
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*/
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abstract function removeDirectory($directory);
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/**
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* Copies a file.
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*
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* @param $source
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* The source file.
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* @param $destination
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* The destination file.
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*/
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abstract function copyFile($source, $destination);
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/**
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* Removes a file.
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*
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* @param $destination
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* The destination file to be removed.
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*/
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abstract function removeFile($destination);
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}
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/**
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* FileTransferException class.
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*/
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class FileTransferException extends Exception {
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}
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