mirror of
https://github.com/moodle/moodle.git
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130 lines
3.9 KiB
PHP
130 lines
3.9 KiB
PHP
<?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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* Google Docs Plugin
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*
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* @since 2.0
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* @package repository
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* @subpackage googledocs
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* @copyright 2009 Dan Poltawski <talktodan@gmail.com>
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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->libdir.'/googleapi.php');
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class repository_googledocs extends repository {
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private $subauthtoken = '';
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public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
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global $USER;
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parent::__construct($repositoryid, $context, $options);
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// TODO: I wish there was somewhere we could explicitly put this outside of constructor..
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$googletoken = optional_param('token', false, PARAM_RAW);
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if($googletoken){
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$gauth = new google_authsub(false, $googletoken); // will throw exception if fails
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google_docs::set_sesskey($gauth->get_sessiontoken(), $USER->id);
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}
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$this->check_login();
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}
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public function check_login() {
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global $USER;
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$sesskey = google_docs::get_sesskey($USER->id);
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if($sesskey){
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try{
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$gauth = new google_authsub($sesskey);
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$this->subauthtoken = $sesskey;
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return true;
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}catch(Exception $e){
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// sesskey is not valid, delete store and re-auth
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google_docs::delete_sesskey($USER->id);
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}
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}
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return false;
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}
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public function print_login($ajax = true){
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global $CFG;
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if($ajax){
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$ret = array();
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$popup_btn = new stdClass();
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$popup_btn->type = 'popup';
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$returnurl = $CFG->wwwroot.'/repository/repository_callback.php?callback=yes&repo_id='.$this->id;
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$popup_btn->url = google_authsub::login_url($returnurl, google_docs::REALM);
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$ret['login'] = array($popup_btn);
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return $ret;
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}
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}
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public function get_listing($path='', $page = '') {
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$gdocs = new google_docs(new google_authsub($this->subauthtoken));
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$ret = array();
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$ret['dynload'] = true;
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$ret['list'] = $gdocs->get_file_list();
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return $ret;
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}
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public function search($query){
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$gdocs = new google_docs(new google_authsub($this->subauthtoken));
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$ret = array();
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$ret['dynload'] = true;
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$ret['list'] = $gdocs->get_file_list($query);
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return $ret;
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}
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public function logout(){
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global $USER;
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$token = google_docs::get_sesskey($USER->id);
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$gauth = new google_authsub($token);
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// revoke token from google
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$gauth->revoke_session_token();
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google_docs::delete_sesskey($USER->id);
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$this->subauthtoken = '';
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return parent::logout();
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}
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public function get_file($url, $file) {
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global $CFG;
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$path = $this->prepare_file($file);
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$fp = fopen($path, 'w');
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$gdocs = new google_docs(new google_authsub($this->subauthtoken));
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$gdocs->download_file($url, $fp);
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return array('path'=>$path, 'url'=>$url);
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}
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public function supported_filetypes() {
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return array('document');
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}
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public function supported_returntypes() {
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return FILE_INTERNAL;
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}
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}
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//Icon from: http://www.iconspedia.com/icon/google-2706.html
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