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203 lines
8.4 KiB
203 lines
8.4 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This plugin is used to access webdav files
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*
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* @since Moodle 2.0
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* @package repository_webdav
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* @copyright 2010 Dongsheng Cai {@link http://dongsheng.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once($CFG->dirroot . '/repository/lib.php');
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require_once($CFG->libdir.'/webdavlib.php');
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/**
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* repository_webdav class
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*
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* @since Moodle 2.0
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* @package repository_webdav
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* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class repository_webdav extends repository {
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public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
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parent::__construct($repositoryid, $context, $options);
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// set up webdav client
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if (empty($this->options['webdav_server'])) {
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return;
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}
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if ($this->options['webdav_auth'] == 'none') {
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$this->options['webdav_auth'] = false;
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}
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if (empty($this->options['webdav_type'])) {
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$this->webdav_type = '';
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} else {
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$this->webdav_type = 'ssl://';
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}
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if (empty($this->options['webdav_port'])) {
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$port = '';
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if (empty($this->webdav_type)) {
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$this->webdav_port = 80;
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} else {
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$this->webdav_port = 443;
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$port = ':443';
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}
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} else {
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$this->webdav_port = $this->options['webdav_port'];
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$port = ':' . $this->webdav_port;
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}
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$this->webdav_host = $this->webdav_type.$this->options['webdav_server'].$port;
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$this->dav = new webdav_client($this->options['webdav_server'], $this->options['webdav_user'],
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$this->options['webdav_password'], $this->options['webdav_auth'], $this->webdav_type);
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$this->dav->port = $this->webdav_port;
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$this->dav->debug = false;
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}
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public function check_login() {
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return true;
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}
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public function get_file($url, $title = '') {
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$url = urldecode($url);
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// Prepare a file with an arbitrary name - cannot be $title because of special chars (cf. MDL-57002).
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$path = $this->prepare_file(uniqid());
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if (!$this->dav->open()) {
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return false;
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}
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$webdavpath = rtrim('/'.ltrim($this->options['webdav_path'], '/ '), '/ '); // without slash in the end
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$this->dav->get_file($webdavpath. $url, $path);
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return array('path'=>$path);
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}
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public function global_search() {
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return false;
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}
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public function get_listing($path='', $page = '') {
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global $CFG, $OUTPUT;
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$list = array();
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$ret = array();
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$ret['dynload'] = true;
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$ret['nosearch'] = true;
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$ret['nologin'] = true;
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$ret['path'] = array(array('name'=>get_string('webdav', 'repository_webdav'), 'path'=>''));
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$ret['list'] = array();
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if (!$this->dav->open()) {
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return $ret;
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}
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$webdavpath = rtrim('/'.ltrim($this->options['webdav_path'], '/ '), '/ '); // without slash in the end
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if (empty($path) || $path =='/') {
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$path = '/';
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} else {
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$chunks = preg_split('|/|', trim($path, '/'));
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for ($i = 0; $i < count($chunks); $i++) {
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$ret['path'][] = array(
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'name' => urldecode($chunks[$i]),
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'path' => '/'. join('/', array_slice($chunks, 0, $i+1)). '/'
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);
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}
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}
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$dir = $this->dav->ls($webdavpath. urldecode($path));
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if (!is_array($dir)) {
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return $ret;
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}
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$folders = array();
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$files = array();
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foreach ($dir as $v) {
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if (!empty($v['lastmodified'])) {
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$v['lastmodified'] = strtotime($v['lastmodified']);
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} else {
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$v['lastmodified'] = null;
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}
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// Remove the server URL from the path (if present), otherwise links will not work - MDL-37014
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$server = preg_quote($this->options['webdav_server']);
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$v['href'] = preg_replace("#https?://{$server}#", '', $v['href']);
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// Extracting object title from absolute path
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$v['href'] = substr(urldecode($v['href']), strlen($webdavpath));
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$title = substr($v['href'], strlen($path));
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if (!empty($v['resourcetype']) && $v['resourcetype'] == 'collection') {
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// a folder
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if ($path != $v['href']) {
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$folders[strtoupper($title)] = array(
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'title'=>rtrim($title, '/'),
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'thumbnail'=>$OUTPUT->image_url(file_folder_icon(90))->out(false),
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'children'=>array(),
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'datemodified'=>$v['lastmodified'],
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'path'=>$v['href']
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);
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}
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}else{
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// a file
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$size = !empty($v['getcontentlength'])? $v['getcontentlength']:'';
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$files[strtoupper($title)] = array(
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'title'=>$title,
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'thumbnail' => $OUTPUT->image_url(file_extension_icon($title, 90))->out(false),
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'size'=>$size,
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'datemodified'=>$v['lastmodified'],
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'source'=>$v['href']
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);
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}
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}
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ksort($files);
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ksort($folders);
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$ret['list'] = array_merge($folders, $files);
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return $ret;
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}
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public static function get_instance_option_names() {
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return array('webdav_type', 'webdav_server', 'webdav_port', 'webdav_path', 'webdav_user', 'webdav_password', 'webdav_auth');
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}
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public static function instance_config_form($mform) {
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$choices = array(0 => get_string('http', 'repository_webdav'), 1 => get_string('https', 'repository_webdav'));
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$mform->addElement('select', 'webdav_type', get_string('webdav_type', 'repository_webdav'), $choices);
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$mform->addRule('webdav_type', get_string('required'), 'required', null, 'client');
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$mform->addElement('text', 'webdav_server', get_string('webdav_server', 'repository_webdav'), array('size' => '40'));
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$mform->addRule('webdav_server', get_string('required'), 'required', null, 'client');
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$mform->setType('webdav_server', PARAM_HOST);
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$mform->addElement('text', 'webdav_path', get_string('webdav_path', 'repository_webdav'), array('size' => '40'));
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$mform->addRule('webdav_path', get_string('required'), 'required', null, 'client');
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$mform->setType('webdav_path', PARAM_PATH);
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$choices = array();
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$choices['none'] = get_string('none');
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$choices['basic'] = get_string('webdavbasicauth', 'repository_webdav');
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$choices['digest'] = get_string('webdavdigestauth', 'repository_webdav');
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$mform->addElement('select', 'webdav_auth', get_string('authentication', 'admin'), $choices);
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$mform->addRule('webdav_auth', get_string('required'), 'required', null, 'client');
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$mform->addElement('text', 'webdav_port', get_string('webdav_port', 'repository_webdav'), array('size' => '40'));
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$mform->setType('webdav_port', PARAM_INT);
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$mform->addElement('text', 'webdav_user', get_string('webdav_user', 'repository_webdav'), array('size' => '40'));
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$mform->setType('webdav_user', PARAM_RAW_TRIMMED); // Not for us to clean.
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$mform->addElement('passwordunmask', 'webdav_password', get_string('webdav_password', 'repository_webdav'),
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array('size' => '40'));
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}
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public function supported_returntypes() {
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return (FILE_INTERNAL | FILE_EXTERNAL);
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}
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/**
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* Is this repository accessing private data?
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*
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* @return bool
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*/
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public function contains_private_data() {
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return false;
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}
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}
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