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60e213470d
When parsing and validating the value of the Digital age of consent (agedigitalconsentmap) field, we want to load all country codes. Not just the ones whitelisted for drop down menus that users can choose from.
107 lines
3.7 KiB
PHP
107 lines
3.7 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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* Contains helper class for digital consent.
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*
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* @package core_auth
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* @copyright 2018 Mihail Geshoski <mihail@moodle.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_auth;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Helper class for digital consent.
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*
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* @copyright 2018 Mihail Geshoski <mihail@moodle.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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class digital_consent {
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/**
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* Returns true if age and location verification is enabled in the site.
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*
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* @return bool
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*/
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public static function is_age_digital_consent_verification_enabled() {
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global $CFG;
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return !empty($CFG->agedigitalconsentverification);
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}
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/**
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* Checks if a user is a digital minor.
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*
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* @param int $age
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* @param string $country The country code (ISO 3166-2)
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* @return bool
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*/
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public static function is_minor($age, $country) {
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global $CFG;
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$ageconsentmap = $CFG->agedigitalconsentmap;
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$agedigitalconsentmap = self::parse_age_digital_consent_map($ageconsentmap);
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return array_key_exists($country, $agedigitalconsentmap) ?
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$age < $agedigitalconsentmap[$country] : $age < $agedigitalconsentmap['*'];
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}
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/**
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* Parse the agedigitalconsentmap setting into an array.
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*
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* @param string $ageconsentmap The value of the agedigitalconsentmap setting
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* @return array $ageconsentmapparsed
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*/
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public static function parse_age_digital_consent_map($ageconsentmap) {
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$ageconsentmapparsed = array();
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$countries = get_string_manager()->get_list_of_countries(true);
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$isdefaultvaluepresent = false;
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$lines = preg_split('/\r|\n/', $ageconsentmap, -1, PREG_SPLIT_NO_EMPTY);
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foreach ($lines as $line) {
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$arr = explode(",", $line);
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// Handle if there is more or less than one comma separator.
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if (count($arr) != 2) {
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throw new \moodle_exception('agedigitalconsentmapinvalidcomma', 'error', '', $line);
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}
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$country = trim($arr[0]);
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$age = trim($arr[1]);
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// Check if default.
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if ($country == "*") {
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$isdefaultvaluepresent = true;
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}
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// Handle if the presented value for country is not valid.
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if ($country !== "*" && !array_key_exists($country, $countries)) {
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throw new \moodle_exception('agedigitalconsentmapinvalidcountry', 'error', '', $country);
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}
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// Handle if the presented value for age is not valid.
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if (!is_numeric($age)) {
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throw new \moodle_exception('agedigitalconsentmapinvalidage', 'error', '', $age);
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}
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$ageconsentmapparsed[$country] = $age;
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}
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// Handle if a default value does not exist.
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if (!$isdefaultvaluepresent) {
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throw new \moodle_exception('agedigitalconsentmapinvaliddefault');
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}
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return $ageconsentmapparsed;
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}
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}
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