MDL-60905 auth_email: remember loginpage wantsurl for account creation
[moodle.git] / auth / email / auth.php
CommitLineData
b9ddb2d5 1<?php
a2f10958
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2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
b9ddb2d5 16
17/**
b9ddb2d5 18 * Authentication Plugin: Email Authentication
19 *
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20 * @author Martin Dougiamas
21 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
22 * @package auth_email
b9ddb2d5 23 */
24
60d7078a 25defined('MOODLE_INTERNAL') || die();
b9ddb2d5 26
6bc1e5d5 27require_once($CFG->libdir.'/authlib.php');
b9ddb2d5 28
29/**
30 * Email authentication plugin.
31 */
6bc1e5d5 32class auth_plugin_email extends auth_plugin_base {
b9ddb2d5 33
34 /**
35 * Constructor.
36 */
4a89e83b 37 public function __construct() {
6bc1e5d5 38 $this->authtype = 'email';
037273d8 39 $this->config = get_config('auth_email');
b9ddb2d5 40 }
41
4a89e83b
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42 /**
43 * Old syntax of class constructor. Deprecated in PHP7.
44 *
45 * @deprecated since Moodle 3.1
46 */
47 public function auth_plugin_email() {
48 debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
49 self::__construct();
50 }
51
b9ddb2d5 52 /**
53 * Returns true if the username and password work and false if they are
54 * wrong or don't exist.
55 *
56 * @param string $username The username
57 * @param string $password The password
139ebfdb 58 * @return bool Authentication success or failure.
b9ddb2d5 59 */
60 function user_login ($username, $password) {
be544ec3 61 global $CFG, $DB;
62 if ($user = $DB->get_record('user', array('username'=>$username, 'mnethostid'=>$CFG->mnet_localhost_id))) {
b9ddb2d5 63 return validate_internal_user_password($user, $password);
64 }
65 return false;
66 }
67
fb5c7739 68 /**
b9ddb2d5 69 * Updates the user's password.
70 *
71 * called when the user password is updated.
72 *
c57dcb62 73 * @param object $user User table object (with system magic quotes)
74 * @param string $newpassword Plaintext password (with system magic quotes)
b9ddb2d5 75 * @return boolean result
76 *
77 */
da249a30 78 function user_update_password($user, $newpassword) {
79 $user = get_complete_user_data('id', $user->id);
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80 // This will also update the stored hash to the latest algorithm
81 // if the existing hash is using an out-of-date algorithm (or the
82 // legacy md5 algorithm).
b9ddb2d5 83 return update_internal_user_password($user, $newpassword);
84 }
85
6bc1e5d5 86 function can_signup() {
87 return true;
88 }
89
430759a5 90 /**
b9ddb2d5 91 * Sign up a new user ready for confirmation.
dd0feda5 92 * Password is passed in plaintext.
93 *
5d910388 94 * @param object $user new user object
dd0feda5 95 * @param boolean $notify print notice with link and terminate
b9ddb2d5 96 */
6b8ad965 97 function user_signup($user, $notify=true) {
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98 // Standard signup, without custom confirmatinurl.
99 return $this->user_signup_with_confirmation($user, $notify);
100 }
101
102 /**
103 * Sign up a new user ready for confirmation.
104 *
105 * Password is passed in plaintext.
106 * A custom confirmationurl could be used.
107 *
108 * @param object $user new user object
109 * @param boolean $notify print notice with link and terminate
110 * @param string $confirmationurl user confirmation URL
111 * @return boolean true if everything well ok and $notify is set to true
112 * @throws moodle_exception
113 * @since Moodle 3.2
114 */
115 public function user_signup_with_confirmation($user, $notify=true, $confirmationurl = null) {
feb23f1b 116 global $CFG, $DB, $SESSION;
831d450e 117 require_once($CFG->dirroot.'/user/profile/lib.php');
bb78e249 118 require_once($CFG->dirroot.'/user/lib.php');
5117d598 119
1d658535 120 $plainpassword = $user->password;
dd0feda5 121 $user->password = hash_internal_user_password($user->password);
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122 if (empty($user->calendartype)) {
123 $user->calendartype = $CFG->calendartype;
124 }
dd0feda5 125
9363073b 126 $user->id = user_create_user($user, false, false);
5117d598 127
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128 user_add_password_history($user->id, $plainpassword);
129
bb78e249 130 // Save any custom profile field information.
831d450e 131 profile_save_data($user);
132
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133 // Save wantsurl against user's profile, so we can return them there upon confirmation.
134 if (!empty($SESSION->wantsurl)) {
135 set_user_preference('auth_email_wantsurl', $SESSION->wantsurl, $user);
136 }
137
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138 // Trigger event.
139 \core\event\user_created::create_from_userid($user->id)->trigger();
140
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141 if (! send_confirmation_email($user, $confirmationurl)) {
142 print_error('auth_emailnoemail', 'auth_email');
b9ddb2d5 143 }
144
145 if ($notify) {
07ed083e 146 global $CFG, $PAGE, $OUTPUT;
b9ddb2d5 147 $emailconfirm = get_string('emailconfirm');
cfc5b79b 148 $PAGE->navbar->add($emailconfirm);
149 $PAGE->set_title($emailconfirm);
c93fdc7b 150 $PAGE->set_heading($PAGE->course->fullname);
cfc5b79b 151 echo $OUTPUT->header();
b9ddb2d5 152 notice(get_string('emailconfirmsent', '', $user->email), "$CFG->wwwroot/index.php");
dd0feda5 153 } else {
154 return true;
139ebfdb 155 }
b9ddb2d5 156 }
157
6bc1e5d5 158 /**
159 * Returns true if plugin allows confirming of new users.
160 *
161 * @return bool
162 */
163 function can_confirm() {
164 return true;
165 }
166
430759a5 167 /**
b9ddb2d5 168 * Confirm the new user as registered.
dd0feda5 169 *
b9a66360 170 * @param string $username
171 * @param string $confirmsecret
b9ddb2d5 172 */
173 function user_confirm($username, $confirmsecret) {
feb23f1b 174 global $DB, $SESSION;
b9ddb2d5 175 $user = get_complete_user_data('username', $username);
176
177 if (!empty($user)) {
4f8b6d56 178 if ($user->auth != $this->authtype) {
dd0feda5 179 return AUTH_CONFIRM_ERROR;
180
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181 } else if ($user->secret == $confirmsecret && $user->confirmed) {
182 return AUTH_CONFIRM_ALREADY;
183
b9a66360 184 } else if ($user->secret == $confirmsecret) { // They have provided the secret key to get in
f685e830 185 $DB->set_field("user", "confirmed", 1, array("id"=>$user->id));
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186
187 if ($wantsurl = get_user_preferences('auth_email_wantsurl', false, $user)) {
188 // Ensure user gets returned to page they were trying to access before signing up.
189 $SESSION->wantsurl = $wantsurl;
190 unset_user_preference('auth_email_wantsurl', $user);
191 }
192
b9ddb2d5 193 return AUTH_CONFIRM_OK;
194 }
dd0feda5 195 } else {
196 return AUTH_CONFIRM_ERROR;
b9ddb2d5 197 }
198 }
199
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200 function prevent_local_passwords() {
201 return false;
202 }
203
b9ddb2d5 204 /**
205 * Returns true if this authentication plugin is 'internal'.
206 *
139ebfdb 207 * @return bool
b9ddb2d5 208 */
209 function is_internal() {
210 return true;
211 }
139ebfdb 212
b9ddb2d5 213 /**
214 * Returns true if this authentication plugin can change the user's
215 * password.
216 *
139ebfdb 217 * @return bool
b9ddb2d5 218 */
219 function can_change_password() {
220 return true;
221 }
139ebfdb 222
b9ddb2d5 223 /**
430759a5 224 * Returns the URL for changing the user's pw, or empty if the default can
b9ddb2d5 225 * be used.
226 *
99f9f85f 227 * @return moodle_url
b9ddb2d5 228 */
229 function change_password_url() {
99f9f85f 230 return null; // use default internal method
430759a5 231 }
232
233 /**
234 * Returns true if plugin allows resetting of internal password.
235 *
236 * @return bool
237 */
238 function can_reset_password() {
239 return true;
b9ddb2d5 240 }
139ebfdb 241
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242 /**
243 * Returns true if plugin can be manually set.
244 *
245 * @return bool
246 */
247 function can_be_manually_set() {
248 return true;
249 }
250
9b5f87d2 251 /**
0f7f3002 252 * Returns whether or not the captcha element is enabled.
9b5f87d2 253 * @return bool
254 */
255 function is_captcha_enabled() {
037273d8 256 return get_config("auth_{$this->authtype}", 'recaptcha');
9b5f87d2 257 }
139ebfdb 258
b9ddb2d5 259}
260
5117d598 261