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<?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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* Scheduled task class.
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*
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* @package core
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* @copyright 2013 onwards Martin Dougiamas http://dougiamas.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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namespace core\task;
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/**
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* Simple task to create accounts and send password emails for new users.
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*/
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class send_new_user_passwords_task extends scheduled_task {
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/**
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* Get a descriptive name for this task (shown to admins).
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*
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* @return string
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*/
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public function get_name() {
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return get_string('tasksendnewuserpasswords', 'admin');
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}
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/**
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* Do the job.
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* Throw exceptions on errors (the job will be retried).
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*/
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public function execute() {
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global $DB;
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// Generate new password emails for users - ppl expect these generated asap.
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if (
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$DB->record_exists_select(
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'user_preferences',
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'name = ? AND ' . $DB->sql_compare_text('value', 2) . ' = ?',
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['create_password', '1']
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)
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) {
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mtrace('Creating passwords for new users...');
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$userfieldsapi = \core_user\fields::for_name();
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$usernamefields = $userfieldsapi->get_sql('u', false, '', '', false)->selects;
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[$sort, $sortparams] = users_order_by_sql('u');
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$newusers = $DB->get_recordset_sql("SELECT u.id as id, u.email, u.auth, u.deleted,
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u.suspended, u.emailstop, u.mnethostid, u.mailformat,
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$usernamefields, u.username, u.lang,
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p.id as prefid
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FROM {user} u
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JOIN {user_preferences} p ON u.id = p.userid
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WHERE p.name = 'create_password'
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AND " . $DB->sql_compare_text('p.value', 2) . " = '1'
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AND u.email <> ''
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AND u.suspended = 0
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AND u.auth <> 'nologin'
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AND u.deleted = 0
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ORDER BY $sort ASC", $sortparams);
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// Note: we can not send emails to suspended accounts.
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foreach ($newusers as $newuser) {
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// Use a low cost factor when generating bcrypt hash otherwise
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// hashing would be slow when emailing lots of users. Hashes
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// will be automatically updated to a higher cost factor the first
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// time the user logs in.
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if (setnew_password_and_mail($newuser, true)) {
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unset_user_preference('create_password', $newuser);
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set_user_preference('auth_forcepasswordchange', 1, $newuser);
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} else {
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trigger_error("Could not create and mail new user password!");
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}
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}
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$newusers->close();
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}
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}
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}
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