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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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namespace tool_mobile;
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use core\session\utility\cookie_helper;
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use html_writer;
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/**
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* Allows plugins to add any elements to the footer.
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*
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* @package tool_mobile
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* @copyright 2024 Andrew Lyons <andrew@nicols.co.uk>
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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 hook_callbacks {
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/**
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* Callback to add head elements.
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*
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* @param \core\hook\output\before_standard_head_html_generation $hook
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*/
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public static function before_standard_head_html_generation(
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\core\hook\output\before_standard_head_html_generation $hook,
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): void {
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global $CFG, $PAGE;
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// Smart App Banners meta tag is only displayed if mobile services are enabled and configured.
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if (!empty($CFG->enablemobilewebservice)) {
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$mobilesettings = get_config('tool_mobile');
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if (!empty($mobilesettings->enablesmartappbanners)) {
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if (!empty($mobilesettings->iosappid)) {
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$hook->add_html(
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'<meta name="apple-itunes-app" content="app-id=' . s($mobilesettings->iosappid) . ', ' .
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'app-argument=' . $PAGE->url->out() . '"/>'
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);
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}
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if (!empty($mobilesettings->androidappid)) {
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$mobilemanifesturl = "$CFG->wwwroot/$CFG->admin/tool/mobile/mobile.webmanifest.php";
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$hook->add_html('<link rel="manifest" href="' . $mobilemanifesturl . '" />');
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}
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}
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}
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}
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/**
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* Callback to add head elements.
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*
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* @param \core\hook\output\before_standard_footer_html_generation $hook
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*/
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public static function before_standard_footer_html_generation(
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\core\hook\output\before_standard_footer_html_generation $hook,
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): void {
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global $CFG;
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require_once(__DIR__ . '/../lib.php');
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if (empty($CFG->enablemobilewebservice)) {
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return;
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}
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$url = tool_mobile_create_app_download_url();
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if (empty($url)) {
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return;
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}
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$hook->add_html(
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html_writer::link($url, get_string('getmoodleonyourmobile', 'tool_mobile'), ['class' => 'mobilelink']),
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);
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}
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/**
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* Callback to recover $SESSION->wantsurl.
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*
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* @param \core_user\hook\after_login_completed $hook
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*/
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public static function after_login_completed(
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\core_user\hook\after_login_completed $hook,
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): void {
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global $SESSION, $CFG;
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// Check if the user is doing a mobile app launch, if that's the case, ensure $SESSION->wantsurl is correctly set.
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if (!NO_MOODLE_COOKIES && !empty($_COOKIE['tool_mobile_launch'])) {
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if (empty($SESSION->wantsurl) || strpos($SESSION->wantsurl, '/tool/mobile/launch.php') === false) {
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$params = json_decode($_COOKIE['tool_mobile_launch'], true);
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$SESSION->wantsurl = (new \moodle_url("/$CFG->admin/tool/mobile/launch.php", $params))->out(false);
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}
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}
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// Set Partitioned and Secure attributes to the MoodleSession cookie if the user is using the Moodle app.
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if (\core_useragent::is_moodle_app()) {
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cookie_helper::add_attributes_to_cookie_response_header(
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'MoodleSession' . $CFG->sessioncookie,
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['Secure', 'Partitioned'],
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);
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}
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}
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}
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