mirrored from git://git.moodle.org/moodle.git
-
Notifications
You must be signed in to change notification settings - Fork 6.6k
/
lib.php
128 lines (106 loc) · 4.06 KB
/
lib.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Picasa Repository Plugin
*
* @since 2.0
* @package repository
* @subpackage picasa
* @copyright 2009 Dan Poltawski
* @author Dan Poltawski <talktodan@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->libdir.'/googleapi.php');
class repository_picasa extends repository {
private $subauthtoken = '';
public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
global $USER;
parent::__construct($repositoryid, $context, $options);
// TODO: I wish there was somewhere we could explicitly put this outside of constructor..
$googletoken = optional_param('token', false, PARAM_RAW);
if($googletoken){
$gauth = new google_authsub(false, $googletoken); // will throw exception if fails
google_picasa::set_sesskey($gauth->get_sessiontoken(), $USER->id);
}
$this->check_login();
}
public function check_login() {
global $USER;
$sesskey = google_picasa::get_sesskey($USER->id);
if($sesskey){
try{
$gauth = new google_authsub($sesskey);
$this->subauthtoken = $sesskey;
return true;
}catch(Exception $e){
// sesskey is not valid, delete store and re-auth
google_picasa::delete_sesskey($USER->id);
}
}
return false;
}
public function print_login(){
global $CFG;
$returnurl = $CFG->wwwroot.'/repository/repository_callback.php?callback=yes&repo_id='.$this->id;
$authurl = google_authsub::login_url($returnurl, google_picasa::REALM);
if($this->options['ajax']){
$ret = array();
$popup_btn = new stdClass();
$popup_btn->type = 'popup';
$popup_btn->url = $authurl;
$ret['login'] = array($popup_btn);
return $ret;
} else {
echo '<a target="_blank" href="'.$authurl.'">Login</a>';
}
}
public function get_listing($path='', $page = '') {
$picasa = new google_picasa(new google_authsub($this->subauthtoken));
$ret = array();
$ret['dynload'] = true;
$ret['manage'] = google_picasa::MANAGE_URL;
$ret['list'] = $picasa->get_file_list($path);
return $ret;
}
public function search($query){
$picasa = new google_picasa(new google_authsub($this->subauthtoken));
$ret = array();
$ret['list'] = $picasa->do_photo_search($query);
$ret['manage'] = google_picasa::MANAGE_URL;
return $ret;
}
public function logout(){
global $USER;
$token = google_picasa::get_sesskey($USER->id);
$gauth = new google_authsub($token);
// revoke token from google
$gauth->revoke_session_token();
google_picasa::delete_sesskey($USER->id);
$this->subauthtoken = '';
return parent::logout();
}
public function get_name(){
return get_string('pluginname', 'repository_picasa');
}
public function supported_filetypes() {
return array('web_image');
}
public function supported_returntypes() {
return (FILE_INTERNAL | FILE_EXTERNAL);
}
}
// Icon for this plugin retrieved from http://www.iconspedia.com/icon/picasa-2711.html
// Where the license is said documented to be Free