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- Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
- Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
- PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
<?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/>.< /** < * PHPUnit tests for quiz_settings class. < * < * @package quizaccess_seb < * @author Andrew Madden <andrewmadden@catalyst-au.net> < * @copyright 2019 Catalyst IT < * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later < */ < < use quizaccess_seb\quiz_settings; < use quizaccess_seb\settings_provider;> namespace quizaccess_seb;defined('MOODLE_INTERNAL') || die(); require_once(__DIR__ . '/test_helper_trait.php'); /** * PHPUnit tests for quiz_settings class. *> * @package quizaccess_seb * @copyright 2020 Catalyst IT > * @author Andrew Madden <andrewmadden@catalyst-au.net>* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */< class quizaccess_seb_quiz_settings_testcase extends advanced_testcase { < use quizaccess_seb_test_helper_trait;> class quiz_settings_test extends \advanced_testcase { > use \quizaccess_seb_test_helper_trait;/** @var context_module $context Test context. */ protected $context; /** @var moodle_url $url Test quiz URL. */ protected $url; /** * Called before every test. */ public function setUp(): void { parent::setUp(); $this->resetAfterTest(); $this->setAdminUser(); $this->course = $this->getDataGenerator()->create_course(); $this->quiz = $this->getDataGenerator()->create_module('quiz', [ 'course' => $this->course->id, 'seb_requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, ]);< $this->context = context_module::instance($this->quiz->cmid); < $this->url = new moodle_url("/mod/quiz/view.php", ['id' => $this->quiz->cmid]);> $this->context = \context_module::instance($this->quiz->cmid); > $this->url = new \moodle_url("/mod/quiz/view.php", ['id' => $this->quiz->cmid]);} /** * Test that config is generated immediately prior to saving quiz settings. */ public function test_config_is_created_from_quiz_settings() { // Test settings to populate the in the object.< $settings = $this->get_test_settings(); < $settings->quizid = $this->quiz->id; < $settings->cmid = $this->quiz->cmid;> $settings = $this->get_test_settings([ > 'quizid' => $this->quiz->id, > 'cmid' => $this->quiz->cmid, > ]);// Obtain the existing record that is created when using a generator. $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); // Update the settings with values from the test function. $quizsettings->from_record($settings); $quizsettings->save(); $config = $quizsettings->get_config(); $this->assertEquals( "<?xml version=\"1.0\" encoding=\"UTF-8\"?> <!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\"> <plist version=\"1.0\"><dict><key>showTaskBar</key><true/><key>allowWlan</key><false/><key>showReloadButton</key><true/>" . "<key>showTime</key><false/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><true/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><true/>" . "<key>URLFilterEnableContentFilter</key><false/><key>hashedQuitPassword</key>" . "<string>9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08</string><key>URLFilterRules</key>" . "<array><dict><key>action</key><integer>1</integer><key>active</key><true/><key>expression</key>" . "<string>test.com</string><key>regex</key><false/></dict></array><key>startURL</key><string>$this->url</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>" < . "<key>allowPreferencesWindow</key><false/></dict></plist>\n",> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/><key>allowPreferencesWindow</key><false/></dict></plist>\n",$config); } /** * Test that config string gets updated from quiz settings. */ public function test_config_is_updated_from_quiz_settings() { // Test settings to populate the in the object.< $settings = $this->get_test_settings(); < $settings->quizid = $this->quiz->id; < $settings->cmid = $this->quiz->cmid;> $settings = $this->get_test_settings([ > 'quizid' => $this->quiz->id, > 'cmid' => $this->quiz->cmid, > ]);// Obtain the existing record that is created when using a generator. $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); // Update the settings with values from the test function. $quizsettings->from_record($settings); $quizsettings->save(); $config = $quizsettings->get_config(); $this->assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?> <!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\"> <plist version=\"1.0\"><dict><key>showTaskBar</key><true/><key>allowWlan</key><false/><key>showReloadButton</key><true/>" . "<key>showTime</key><false/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><true/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><true/>" . "<key>URLFilterEnableContentFilter</key><false/><key>hashedQuitPassword</key>" . "<string>9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08</string><key>URLFilterRules</key>" . "<array><dict><key>action</key><integer>1</integer><key>active</key><true/><key>expression</key>" . "<string>test.com</string><key>regex</key><false/></dict></array><key>startURL</key><string>$this->url</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", $config); $quizsettings->set('filterembeddedcontent', 1); // Alter the settings. $quizsettings->save(); $config = $quizsettings->get_config(); $this->assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?> <!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\"> <plist version=\"1.0\"><dict><key>showTaskBar</key><true/><key>allowWlan</key><false/><key>showReloadButton</key><true/>" . "<key>showTime</key><false/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><true/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><true/>" . "<key>URLFilterEnableContentFilter</key><true/><key>hashedQuitPassword</key>" . "<string>9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08</string><key>URLFilterRules</key>" . "<array><dict><key>action</key><integer>1</integer><key>active</key><true/><key>expression</key>" . "<string>test.com</string><key>regex</key><false/></dict></array><key>startURL</key><string>$this->url</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", $config); } /** * Test that config key is generated immediately prior to saving quiz settings. */ public function test_config_key_is_created_from_quiz_settings() { $settings = $this->get_test_settings(); $quizsettings = new quiz_settings(0, $settings); $configkey = $quizsettings->get_config_key();< $this->assertEquals("b35510bd754f9d106ff88b9d2dc1bb297cddc9fc7b4bdde2dbda4e7d9e4b50d8",> $this->assertEquals("65ff7a3b8aec80e58fbe2e7968826c33cbf0ac444a748055ebe665829cbf4201",$configkey ); } /** * Test that config key is generated immediately prior to saving quiz settings. */ public function test_config_key_is_updated_from_quiz_settings() { $settings = $this->get_test_settings(); $quizsettings = new quiz_settings(0, $settings); $configkey = $quizsettings->get_config_key();< $this->assertEquals("b35510bd754f9d106ff88b9d2dc1bb297cddc9fc7b4bdde2dbda4e7d9e4b50d8",> $this->assertEquals("65ff7a3b8aec80e58fbe2e7968826c33cbf0ac444a748055ebe665829cbf4201",$configkey); $quizsettings->set('filterembeddedcontent', 1); // Alter the settings. $configkey = $quizsettings->get_config_key();< $this->assertEquals("58010792504cccc18f7b0e5c9680fe60b567e8c1b5fb9798654cc9bad9ddf30c",> $this->assertEquals("d975b8a2ec4472495a8be7c64d7c8cc960dbb62472d5e88a8847ac0e5d77e533",$configkey); } /** * Test that different URL filter expressions are turned into config XML. *< * @param stdClass $settings Quiz settings> * @param \stdClass $settings Quiz settings* @param string $expectedxml SEB Config XML. * * @dataProvider filter_rules_provider */< public function test_filter_rules_added_to_config(stdClass $settings, string $expectedxml) {> public function test_filter_rules_added_to_config(\stdClass $settings, string $expectedxml) {$quizsettings = new quiz_settings(0, $settings); $config = $quizsettings->get_config(); $this->assertEquals($expectedxml, $config); } /** * Test that browser keys are validated and retrieved as an array instead of string. */ public function test_browser_exam_keys_are_retrieved_as_array() { $quizsettings = new quiz_settings(); $quizsettings->set('allowedbrowserexamkeys', "one two,three\nfour"); $retrievedkeys = $quizsettings->get('allowedbrowserexamkeys'); $this->assertEquals(['one', 'two', 'three', 'four'], $retrievedkeys); } /** * Test validation of Browser Exam Keys. * * @param string $bek Browser Exam Key. * @param string $expectederrorstring Expected error. * * @dataProvider bad_browser_exam_key_provider */ public function test_browser_exam_keys_validation_errors($bek, $expectederrorstring) { $quizsettings = new quiz_settings(); $quizsettings->set('allowedbrowserexamkeys', $bek); $quizsettings->validate(); $errors = $quizsettings->get_errors();< $this->assertContains($expectederrorstring, $errors);> $this->assertContainsEquals($expectederrorstring, $errors);} /** * Test that uploaded seb file gets converted to config string. */ public function test_config_file_uploaded_converted_to_config() {< $url = new moodle_url("/mod/quiz/view.php", ['id' => $this->quiz->cmid]);> $url = new \moodle_url("/mod/quiz/view.php", ['id' => $this->quiz->cmid]);$xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>hashedQuitPassword</key><string>hashedpassword</string>" . "<key>allowWlan</key><false/><key>startURL</key><string>$url</string>"< . "<key>sendBrowserExamKey</key><true/></dict></plist>\n";> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer></dict></plist>\n";$itemid = $this->create_module_test_file($xml, $this->quiz->cmid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $quizsettings->save(); $config = $quizsettings->get_config(); $this->assertEquals($xml, $config); } /** * Test test_no_config_file_uploaded */ public function test_no_config_file_uploaded() { $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $cmid = $quizsettings->get('cmid');< $this->expectException(moodle_exception::class);> $this->expectException(\moodle_exception::class);$this->expectExceptionMessage("No uploaded SEB config file could be found for quiz with cmid: {$cmid}"); $quizsettings->get_config(); } /** * A helper function to build a config file. * * @param mixed $allowuserquitseb Required allowQuit setting. * @param mixed $quitpassword Required hashedQuitPassword setting. * * @return string */ protected function get_config_xml($allowuserquitseb = null, $quitpassword = null) { $xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>allowWlan</key><false/><key>startURL</key>" . "<string>https://safeexambrowser.org/start</string>" . "<key>sendBrowserExamKey</key><true/>"; if (!is_null($allowuserquitseb)) { $allowuserquitseb = empty($allowuserquitseb) ? 'false' : 'true'; $xml .= "<key>allowQuit</key><{$allowuserquitseb}/>"; } if (!is_null($quitpassword)) { $xml .= "<key>hashedQuitPassword</key><string>{$quitpassword}</string>"; } $xml .= "</dict></plist>\n"; return $xml; } /** * Test using USE_SEB_TEMPLATE and have it override settings from the template when they are set. */ public function test_using_seb_template_override_settings_when_they_set_in_template() { $xml = $this->get_config_xml(true, 'password'); $template = $this->create_template($xml); $this->assertStringContainsString("<key>startURL</key><string>https://safeexambrowser.org/start</string>", $template->get('content')); $this->assertStringContainsString("<key>allowQuit</key><true/>", $template->get('content')); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>password</string>", $template->get('content')); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_TEMPLATE); $quizsettings->set('templateid', $template->get('id')); $quizsettings->set('allowuserquitseb', 1); $quizsettings->save(); $this->assertStringContainsString( "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id={$this->quiz->cmid}</string>", $quizsettings->get_config() ); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); $quizsettings->set('quitpassword', 'new password'); $quizsettings->save(); $hashedpassword = hash('SHA256', 'new password'); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringNotContainsString("<key>hashedQuitPassword</key><string>password</string>", $quizsettings->get_config()); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>{$hashedpassword}</string>", $quizsettings->get_config()); $quizsettings->set('allowuserquitseb', 0); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringContainsString("<key>allowQuit</key><false/>", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); } /** * Test using USE_SEB_TEMPLATE and have it override settings from the template when they are not set. */ public function test_using_seb_template_override_settings_when_not_set_in_template() { $xml = $this->get_config_xml(); $template = $this->create_template($xml); $this->assertStringContainsString("<key>startURL</key><string>https://safeexambrowser.org/start</string>", $template->get('content')); $this->assertStringNotContainsString("<key>allowQuit</key><true/>", $template->get('content')); $this->assertStringNotContainsString("<key>hashedQuitPassword</key><string>password</string>", $template->get('content')); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_TEMPLATE); $quizsettings->set('templateid', $template->get('id')); $quizsettings->set('allowuserquitseb', 1); $quizsettings->save(); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); $quizsettings->set('quitpassword', 'new password'); $quizsettings->save(); $hashedpassword = hash('SHA256', 'new password'); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>{$hashedpassword}</string>", $quizsettings->get_config()); $quizsettings->set('allowuserquitseb', 0); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringContainsString("<key>allowQuit</key><false/>", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); } /** * Test using USE_SEB_UPLOAD_CONFIG and use settings from the file if they are set. */ public function test_using_own_config_settings_are_not_overridden_if_set() { $xml = $this->get_config_xml(true, 'password'); $this->create_module_test_file($xml, $this->quiz->cmid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $quizsettings->set('allowuserquitseb', 0); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringContainsString( "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id={$this->quiz->cmid}</string>", $quizsettings->get_config() ); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>password</string>", $quizsettings->get_config()); $quizsettings->set('quitpassword', 'new password'); $quizsettings->save(); $hashedpassword = hash('SHA256', 'new password'); $this->assertStringNotContainsString("<key>hashedQuitPassword</key><string>{$hashedpassword}</string>", $quizsettings->get_config()); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>password</string>", $quizsettings->get_config()); $quizsettings->set('allowuserquitseb', 0); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringContainsString("<key>allowQuit</key><true/>", $quizsettings->get_config()); $this->assertStringContainsString("<key>hashedQuitPassword</key><string>password</string>", $quizsettings->get_config()); } /** * Test using USE_SEB_UPLOAD_CONFIG and use settings from the file if they are not set. */ public function test_using_own_config_settings_are_not_overridden_if_not_set() { $xml = $this->get_config_xml(); $this->create_module_test_file($xml, $this->quiz->cmid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $quizsettings->set('allowuserquitseb', 1); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringContainsString( "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id={$this->quiz->cmid}</string>", $quizsettings->get_config() ); $this->assertStringNotContainsString("allowQuit", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); $quizsettings->set('quitpassword', 'new password'); $quizsettings->save(); $this->assertStringNotContainsString("allowQuit", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); $quizsettings->set('allowuserquitseb', 0); $quizsettings->set('quitpassword', ''); $quizsettings->save(); $this->assertStringNotContainsString("allowQuit", $quizsettings->get_config()); $this->assertStringNotContainsString("hashedQuitPassword", $quizsettings->get_config()); } /** * Test using USE_SEB_TEMPLATE populates the linkquitseb setting if a quitURL is found. */ public function test_template_has_quit_url_set() { $xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>hashedQuitPassword</key><string>hashedpassword</string>" . "<key>allowWlan</key><false/><key>quitURL</key><string>http://seb.quit.url</string>" . "<key>sendBrowserExamKey</key><true/></dict></plist>\n"; $template = $this->create_template($xml); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_TEMPLATE); $quizsettings->set('templateid', $template->get('id')); $this->assertEmpty($quizsettings->get('linkquitseb')); $quizsettings->save(); $this->assertNotEmpty($quizsettings->get('linkquitseb')); $this->assertEquals('http://seb.quit.url', $quizsettings->get('linkquitseb')); } /** * Test using USE_SEB_UPLOAD_CONFIG populates the linkquitseb setting if a quitURL is found. */ public function test_config_file_uploaded_has_quit_url_set() { $xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>hashedQuitPassword</key><string>hashedpassword</string>" . "<key>allowWlan</key><false/><key>quitURL</key><string>http://seb.quit.url</string>" . "<key>sendBrowserExamKey</key><true/></dict></plist>\n"; $itemid = $this->create_module_test_file($xml, $this->quiz->cmid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $this->assertEmpty($quizsettings->get('linkquitseb')); $quizsettings->save(); $this->assertNotEmpty($quizsettings->get('linkquitseb')); $this->assertEquals('http://seb.quit.url', $quizsettings->get('linkquitseb')); } /** * Test template id set correctly. */ public function test_templateid_set_correctly_when_save_settings() { $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals(0, $quizsettings->get('templateid')); $template = $this->create_template(); $templateid = $template->get('id'); // Initially set to USE_SEB_TEMPLATE with a template id. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals($templateid, $quizsettings->get('templateid')); // Case for USE_SEB_NO, ensure template id reverts to 0. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_NO); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals(0, $quizsettings->get('templateid')); // Reverting back to USE_SEB_TEMPLATE. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); // Case for USE_SEB_CONFIG_MANUALLY, ensure template id reverts to 0. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_CONFIG_MANUALLY); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals(0, $quizsettings->get('templateid')); // Reverting back to USE_SEB_TEMPLATE. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); // Case for USE_SEB_CLIENT_CONFIG, ensure template id reverts to 0. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_CLIENT_CONFIG); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals(0, $quizsettings->get('templateid')); // Reverting back to USE_SEB_TEMPLATE. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); // Case for USE_SEB_UPLOAD_CONFIG, ensure template id reverts to 0. $xml = file_get_contents(__DIR__ . '/fixtures/unencrypted.seb'); $this->create_module_test_file($xml, $this->quiz->cmid); $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_UPLOAD_CONFIG); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals(0, $quizsettings->get('templateid')); // Case for USE_SEB_TEMPLATE, ensure template id is correct. $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals($templateid, $quizsettings->get('templateid')); } /** * Helper function in tests to set USE_SEB_TEMPLATE and a template id on the quiz settings. * * @param quiz_settings $quizsettings Given quiz settings instance. * @param int $savetype Type of SEB usage. * @param int $templateid Template ID. */ public function save_settings_with_optional_template($quizsettings, $savetype, $templateid = 0) { $quizsettings->set('requiresafeexambrowser', $savetype); if (!empty($templateid)) { $quizsettings->set('templateid', $templateid); } $quizsettings->save(); } /** * Bad browser exam key data provider. * * @return array */ public function bad_browser_exam_key_provider() : array { return [ 'Short string' => ['fdsf434r', 'A key should be a 64-character hex string.'], 'Non hex string' => ['aadf6799aadf6789aadf6789aadf6789aadf6789aadf6789aadf6789aadf678!', 'A key should be a 64-character hex string.'], 'Non unique' => ["aadf6799aadf6789aadf6789aadf6789aadf6789aadf6789aadf6789aadf6789" . "\naadf6799aadf6789aadf6789aadf6789aadf6789aadf6789aadf6789aadf6789", 'The keys must all be different.'], ]; } /** * Provide settings for different filter rules. * * @return array Test data. */ public function filter_rules_provider() : array { return [ 'enabled simple expessions' => [ (object) [ 'requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, 'quizid' => 1, 'cmid' => 1, 'expressionsallowed' => "test.com\r\nsecond.hello", 'regexallowed' => '', 'expressionsblocked' => '', 'regexblocked' => '', ], "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/>" . "<key>allowWlan</key><false/><key>showReloadButton</key>" . "<true/><key>showTime</key><true/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><false/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><false/>" . "<key>URLFilterEnableContentFilter</key><false/><key>URLFilterRules</key><array>" . "<dict><key>action</key><integer>1</integer><key>active</key><true/>" . "<key>expression</key><string>test.com</string>" . "<key>regex</key><false/></dict><dict><key>action</key><integer>1</integer>" . "<key>active</key><true/><key>expression</key>" . "<string>second.hello</string><key>regex</key><false/></dict></array>" . "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id=1</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", ], 'blocked simple expessions' => [ (object) [ 'requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, 'quizid' => 1, 'cmid' => 1, 'expressionsallowed' => '', 'regexallowed' => '', 'expressionsblocked' => "test.com\r\nsecond.hello", 'regexblocked' => '', ], "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/>" . "<key>allowWlan</key><false/><key>showReloadButton</key>" . "<true/><key>showTime</key><true/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><false/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><false/>" . "<key>URLFilterEnableContentFilter</key><false/><key>URLFilterRules</key><array>" . "<dict><key>action</key><integer>0</integer><key>active</key><true/>" . "<key>expression</key><string>test.com</string>" . "<key>regex</key><false/></dict><dict><key>action</key><integer>0</integer>" . "<key>active</key><true/><key>expression</key>" . "<string>second.hello</string><key>regex</key><false/></dict></array>" . "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id=1</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", ], 'enabled regex expessions' => [ (object) [ 'requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, 'quizid' => 1, 'cmid' => 1, 'expressionsallowed' => '', 'regexallowed' => "test.com\r\nsecond.hello", 'expressionsblocked' => '', 'regexblocked' => '', ], "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/>" . "<key>allowWlan</key><false/><key>showReloadButton</key>" . "<true/><key>showTime</key><true/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><false/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><false/>" . "<key>URLFilterEnableContentFilter</key><false/><key>URLFilterRules</key><array>" . "<dict><key>action</key><integer>1</integer><key>active</key><true/>" . "<key>expression</key><string>test.com</string>" . "<key>regex</key><true/></dict><dict><key>action</key><integer>1</integer>" . "<key>active</key><true/><key>expression</key>" . "<string>second.hello</string><key>regex</key><true/></dict></array>" . "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id=1</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", ], 'blocked regex expessions' => [ (object) [ 'requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, 'quizid' => 1, 'cmid' => 1, 'expressionsallowed' => '', 'regexallowed' => '', 'expressionsblocked' => '', 'regexblocked' => "test.com\r\nsecond.hello", ], "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/>" . "<key>allowWlan</key><false/><key>showReloadButton</key>" . "<true/><key>showTime</key><true/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><false/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><false/>" . "<key>URLFilterEnableContentFilter</key><false/><key>URLFilterRules</key><array>" . "<dict><key>action</key><integer>0</integer><key>active</key><true/>" . "<key>expression</key><string>test.com</string>" . "<key>regex</key><true/></dict><dict><key>action</key><integer>0</integer>" . "<key>active</key><true/><key>expression</key>" . "<string>second.hello</string><key>regex</key><true/></dict></array>" . "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id=1</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", ], 'multiple simple expessions' => [ (object) [ 'requiresafeexambrowser' => settings_provider::USE_SEB_CONFIG_MANUALLY, 'quizid' => 1, 'cmid' => 1, 'expressionsallowed' => "*", 'regexallowed' => '', 'expressionsblocked' => '', 'regexblocked' => "test.com\r\nsecond.hello", ], "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" . "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/>" . "<key>allowWlan</key><false/><key>showReloadButton</key>" . "<true/><key>showTime</key><true/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>" . "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><false/><key>audioMute</key><false/>" . "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><false/>" . "<key>URLFilterEnableContentFilter</key><false/><key>URLFilterRules</key><array><dict><key>action</key>" . "<integer>1</integer><key>active</key><true/><key>expression</key><string>*</string>" . "<key>regex</key><false/></dict>" . "<dict><key>action</key><integer>0</integer><key>active</key><true/>" . "<key>expression</key><string>test.com</string>" . "<key>regex</key><true/></dict><dict><key>action</key><integer>0</integer>" . "<key>active</key><true/><key>expression</key>" . "<string>second.hello</string><key>regex</key><true/></dict></array>" . "<key>startURL</key><string>https://www.example.com/moodle/mod/quiz/view.php?id=1</string>"< . "<key>sendBrowserExamKey</key><true/><key>examSessionClearCookiesOnStart</key><false/>"> . "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>" > . "<key>examSessionClearCookiesOnStart</key><false/>". "<key>allowPreferencesWindow</key><false/></dict></plist>\n", ], ]; } /** * Test that config and config key are null when expected. */ public function test_generates_config_values_as_null_when_expected() { $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertNotNull($quizsettings->get_config()); $this->assertNotNull($quizsettings->get_config_key()); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_NO); $quizsettings->save(); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertNull($quizsettings->get_config()); $this->assertNull($quizsettings->get_config()); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_UPLOAD_CONFIG); $xml = file_get_contents(__DIR__ . '/fixtures/unencrypted.seb'); $this->create_module_test_file($xml, $this->quiz->cmid); $quizsettings->save(); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertNotNull($quizsettings->get_config()); $this->assertNotNull($quizsettings->get_config_key()); $quizsettings->set('requiresafeexambrowser', settings_provider::USE_SEB_CLIENT_CONFIG); $quizsettings->save(); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertNull($quizsettings->get_config()); $this->assertNull($quizsettings->get_config_key()); $template = $this->create_template(); $templateid = $template->get('id'); $this->save_settings_with_optional_template($quizsettings, settings_provider::USE_SEB_TEMPLATE, $templateid); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertNotNull($quizsettings->get_config()); $this->assertNotNull($quizsettings->get_config_key()); } /** * Test that quizsettings cache exists after creation. */ public function test_quizsettings_cache_exists_after_creation() { $expected = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals($expected->to_record(), \cache::make('quizaccess_seb', 'quizsettings')->get($this->quiz->id)); } /** * Test that quizsettings cache gets deleted after deletion. */ public function test_quizsettings_cache_purged_after_deletion() { $this->assertNotEmpty(\cache::make('quizaccess_seb', 'quizsettings')->get($this->quiz->id)); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->delete(); $this->assertFalse(\cache::make('quizaccess_seb', 'quizsettings')->get($this->quiz->id)); } /** * Test that we can get quiz_settings by quiz id. */ public function test_get_quiz_settings_by_quiz_id() { $expected = quiz_settings::get_record(['quizid' => $this->quiz->id]); $this->assertEquals($expected->to_record(), quiz_settings::get_by_quiz_id($this->quiz->id)->to_record()); // Check that data is getting from cache. $expected->set('showsebtaskbar', 0); $this->assertNotEquals($expected->to_record(), quiz_settings::get_by_quiz_id($this->quiz->id)->to_record()); // Now save and check that cached as been updated. $expected->save(); $this->assertEquals($expected->to_record(), quiz_settings::get_by_quiz_id($this->quiz->id)->to_record()); // Returns false for non existing quiz. $this->assertFalse(quiz_settings::get_by_quiz_id(7777777)); } /** * Test that SEB config cache exists after creation of the quiz. */ public function test_config_cache_exists_after_creation() { $this->assertNotEmpty(\cache::make('quizaccess_seb', 'config')->get($this->quiz->id)); } /** * Test that SEB config cache gets deleted after deletion. */ public function test_config_cache_purged_after_deletion() { $this->assertNotEmpty(\cache::make('quizaccess_seb', 'config')->get($this->quiz->id)); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->delete(); $this->assertFalse(\cache::make('quizaccess_seb', 'config')->get($this->quiz->id)); } /** * Test that we can get SEB config by quiz id. */ public function test_get_config_by_quiz_id() { $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $expected = $quizsettings->get_config(); $this->assertEquals($expected, quiz_settings::get_config_by_quiz_id($this->quiz->id)); // Check that data is getting from cache. $quizsettings->set('showsebtaskbar', 0); $this->assertNotEquals($quizsettings->get_config(), quiz_settings::get_config_by_quiz_id($this->quiz->id)); // Now save and check that cached as been updated. $quizsettings->save(); $this->assertEquals($quizsettings->get_config(), quiz_settings::get_config_by_quiz_id($this->quiz->id)); // Returns null for non existing quiz. $this->assertNull(quiz_settings::get_config_by_quiz_id(7777777)); } /** * Test that SEB config key cache exists after creation of the quiz. */ public function test_config_key_cache_exists_after_creation() { $this->assertNotEmpty(\cache::make('quizaccess_seb', 'configkey')->get($this->quiz->id)); } /** * Test that SEB config key cache gets deleted after deletion. */ public function test_config_key_cache_purged_after_deletion() { $this->assertNotEmpty(\cache::make('quizaccess_seb', 'configkey')->get($this->quiz->id)); $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $quizsettings->delete(); $this->assertFalse(\cache::make('quizaccess_seb', 'configkey')->get($this->quiz->id)); } /** * Test that we can get SEB config key by quiz id. */ public function test_get_config_key_by_quiz_id() { $quizsettings = quiz_settings::get_record(['quizid' => $this->quiz->id]); $expected = $quizsettings->get_config_key(); $this->assertEquals($expected, quiz_settings::get_config_key_by_quiz_id($this->quiz->id)); // Check that data is getting from cache. $quizsettings->set('showsebtaskbar', 0); $this->assertNotEquals($quizsettings->get_config_key(), quiz_settings::get_config_key_by_quiz_id($this->quiz->id)); // Now save and check that cached as been updated. $quizsettings->save(); $this->assertEquals($quizsettings->get_config_key(), quiz_settings::get_config_key_by_quiz_id($this->quiz->id)); // Returns null for non existing quiz. $this->assertNull(quiz_settings::get_config_key_by_quiz_id(7777777)); } }
