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Please do not include/require it.', DEBUG_DEVELOPER); PK\_ įclasses/privacy/provider.phpnu[. /** * Privacy Subsystem implementation for filter_activitynames. * * @package filter_activitynames * @copyright 2018 Andrew Nicols * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace filter_activitynames\privacy; defined('MOODLE_INTERNAL') || die(); /** * Privacy Subsystem for filter_activitynames implementing null_provider. * * @copyright 2018 Andrew Nicols * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class provider implements \core_privacy\local\metadata\null_provider { /** * Get the language string identifier with the component's language * file to explain why this plugin stores no data. * * @return string */ public static function get_reason(): string { return 'privacy:metadata'; } } PK\NH4classes/text_filter.phpnu[. namespace filter_activitynames; use cache; use cache_store; use core\output\html_writer; use core_collator; use course_modinfo; use filterobject; /** * This filter provides automatic linking to * activities when its name (title) is found inside every Moodle text * * @package filter_activitynames * @subpackage activitynames * @copyright 2004 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class text_filter extends \core_filters\text_filter { #[\Override] public function filter($text, array $options = []) { $coursectx = $this->context->get_course_context(false); if (!$coursectx) { return $text; } $courseid = $coursectx->instanceid; $activitylist = $this->get_cached_activity_list($courseid); $filterslist = []; if (!empty($activitylist)) { $cmid = $this->context->instanceid; if ($this->context->contextlevel == CONTEXT_MODULE && isset($activitylist[$cmid])) { // Remove filterobjects for the current module. $filterslist = array_values(array_diff_key($activitylist, [$cmid => 1, $cmid . '-e' => 1])); } else { $filterslist = array_values($activitylist); } } if ($filterslist) { // Modify each filter's regex pattern to match any whitespace sequence where there are spaces. // This allows matching activity names regardless of whether users type single spaces, double spaces, // or non-breaking spaces (which HTML editors often insert). $filterslist = filter_prepare_phrases_for_filtering($filterslist); foreach ($filterslist as $filterobject) { if ($filterobject->workregexp !== null) { $filterobject->workregexp = self::replace_spaces_with_whitespace($filterobject->workregexp); } } return filter_phrases($text, $filterslist, null, null, false, true); } else { return $text; } } /** * Replace literal spaces in a regex with general whitespace match. * * @param string $regex The regex pattern containing literal spaces. * @return string The regex pattern with spaces replaced. */ protected static function replace_spaces_with_whitespace($regex): string { return preg_replace_callback('/ +/', function($matches): string { $count = strlen($matches[0]); // Matches regular space, non-breaking space (U+00A0), or other whitespace. return '(?:[\s\xC2\xA0]{' . $count . '})'; }, $regex); } /** * Get all the cached activity list for a course * * @param int $courseid id of the course * @return filterobject[] the activities */ protected function get_cached_activity_list($courseid) { global $USER; $cached = cache::make_from_params(cache_store::MODE_REQUEST, 'filter', 'activitynames'); // Return cached activity list. if ($cached->get('cachecourseid') == $courseid && $cached->get('cacheuserid') == $USER->id) { return $cached->get('activitylist'); } // Not cached yet, get activity list and set cache. $activitylist = $this->get_activity_list($courseid); $cached->set('cacheuserid', $USER->id); $cached->set('cachecourseid', $courseid); $cached->set('activitylist', $activitylist); return $activitylist; } /** * Get all the activity list for a course * * @param int $courseid id of the course * @return filterobject[] the activities */ protected function get_activity_list($courseid) { $activitylist = []; $modinfo = get_fast_modinfo($courseid); if (!empty($modinfo->cms)) { $activitylist = []; // We will store all the created filters here. // Create array of visible activities sorted by the name length (we are only interested in properties name and url). $sortedactivities = []; foreach ($modinfo->cms as $cm) { // Use normal access control and visibility, but exclude labels and hidden activities. if ( $cm->visible && $cm->has_view() && $cm->uservisible && course_modinfo::is_mod_type_visible_on_course($cm->modname) ) { $sortedactivities[] = (object)[ 'name' => $cm->name, 'url' => $cm->url, 'id' => $cm->id, 'namelen' => -strlen($cm->name), // Negative value for reverse sorting. ]; } } // Sort activities by the length of the activity name in reverse order. core_collator::asort_objects_by_property($sortedactivities, 'namelen', core_collator::SORT_NUMERIC); foreach ($sortedactivities as $cm) { $title = s(trim(strip_tags($cm->name))); $currentname = trim($cm->name); // Normalize whitespace in activity names to handle double spaces and non-breaking spaces. // This ensures that activities with multiple consecutive spaces can still be matched // even when users type the name with different whitespace (e.g., single space, NBSP). $entitisedname = s($currentname); // Avoid empty or unlinkable activity names. if (!empty($title)) { $hreftagbegin = html_writer::start_tag( 'a', ['class' => 'autolink', 'title' => $title, 'href' => $cm->url, ] ); $activitylist[$cm->id] = new filterobject($currentname, $hreftagbegin, '', false, true); if ($currentname != $entitisedname) { // If name has some entity (& " < >) add that filter too. MDL-17545. $activitylist[$cm->id . '-e'] = new filterobject($entitisedname, $hreftagbegin, '', false, true); } } } } return $activitylist; } }PK\r#r#tests/text_filter_test.phpnu[. namespace filter_activitynames; /** * Test case for the activity names auto-linking filter. * * @package filter_activitynames * @copyright 2018 The Open University * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @covers \filter_activitynames\text_filter */ final class text_filter_test extends \advanced_testcase { public function test_links(): void { $this->resetAfterTest(true); // Create a test course. $course = $this->getDataGenerator()->create_course(); $context = \context_course::instance($course->id); // Create two pages that will be linked to. $page1 = $this->getDataGenerator()->create_module( 'page', ['course' => $course->id, 'name' => 'Test 1'] ); $page2 = $this->getDataGenerator()->create_module( 'page', ['course' => $course->id, 'name' => 'Test (2)'] ); // Create a label and question bank that should not be linked to. $this->getDataGenerator()->create_module( 'label', ['course' => $course->id, 'name' => 'Label 1', 'intro' => 'Label 1'] ); $this->getDataGenerator()->create_module( 'qbank', ['course' => $course->id, 'name' => 'Question bank 1'] ); // Format text with all three entries in HTML. $html = '

Please read the two pages Test 1 and Test (2), but not Label 1 or Question bank 1.

'; $filtered = format_text($html, FORMAT_HTML, ['context' => $context]); // Find all the glossary links in the result. $matches = []; preg_match_all( '~([^<]*)~', $filtered, $matches ); // There should be 2 links links. $this->assertCount(2, $matches[1]); // Check text of title attribute. $this->assertEquals($page1->name, $matches[1][0]); $this->assertEquals($page2->name, $matches[1][1]); // Check the ids in the links. $this->assertEquals($page1->cmid, $matches[2][0]); $this->assertEquals($page2->cmid, $matches[2][1]); // Check the link text. $this->assertEquals($page1->name, $matches[3][0]); $this->assertEquals($page2->name, $matches[3][1]); } public function test_links_activity_named_hyphen(): void { $this->resetAfterTest(true); // Create a test course. $course = $this->getDataGenerator()->create_course(); $context = \context_course::instance($course->id); // Work around an issue with the activity names filter which maintains a static cache // of activities for current course ID. We can re-build the cache by switching user. $this->setUser($this->getDataGenerator()->create_user()); // Create a page activity named '-' (single hyphen). $page = $this->getDataGenerator()->create_module('page', ['course' => $course->id, 'name' => '-']); $html = '

Please read the - page.

'; $filtered = format_text($html, FORMAT_HTML, ['context' => $context]); // Find the page link in the filtered html. preg_match_all( '~([^<]*)~', $filtered, $matches ); // We should have exactly one match. $this->assertCount(1, $matches[1]); $this->assertEquals($page->name, $matches[1][0]); $this->assertEquals($page->cmid, $matches[2][0]); $this->assertEquals($page->name, $matches[3][0]); } /** * Data provider for the test_links_with_whitespace. * * @return array */ public static function links_with_whitespace_provider(): array { return [ 'Regular spaces' => [ 'Assignment 1', '

Go to Assignment 1

', true, ], 'Two regular spaces' => [ 'Assignment 1', '

Go to Assignment 1

', true, ], 'NBSP + regular spaces' => [ 'Assignment 1', "

Go to Assignment\xC2\xA0 1

", true, ], 'Multiple spaces' => [ 'Assignment 1 - History', '

Go to Assignment 1 - History

', true, ], 'Mismatched spaces 1' => [ 'Assignment 1', '

Go to Assignment 1

', false, ], 'Mismatched spaces 2' => [ 'Assignment 1', '

Go to Assignment 1

', false, ], ]; } /** * Test that links can be matched with various whitespace combinations. * * @dataProvider links_with_whitespace_provider * @param string $activityname * @param string $html * @param bool $expectedresult */ public function test_links_with_whitespace(string $activityname, string $html, bool $expectedresult): void { $this->resetAfterTest(true); $course = $this->getDataGenerator()->create_course(); $context = \context_course::instance($course->id); $this->getDataGenerator()->create_module( 'page', ['course' => $course->id, 'name' => $activityname] ); $filtered = format_text($html, FORMAT_HTML, ['context' => $context]); $haslink = strpos($filtered, 'assertEquals($expectedresult, $haslink); } public function test_cache(): void { $this->resetAfterTest(true); // Create a test courses. $course1 = $this->getDataGenerator()->create_course(); $course2 = $this->getDataGenerator()->create_course(); $context1 = \context_course::instance($course1->id); $context2 = \context_course::instance($course2->id); // Create page 1. $page1 = $this->getDataGenerator()->create_module( 'page', ['course' => $course1->id, 'name' => 'Test 1'] ); // Format text with page 1 in HTML. $html = '

Please read the two pages Test 1 and Test 2.

'; $filtered1 = format_text($html, FORMAT_HTML, ['context' => $context1]); // Find all the activity links in the result. $matches = []; preg_match_all( '~([^<]*)~', $filtered1, $matches ); // There should be 1 link. $this->assertCount(1, $matches[1]); $this->assertEquals($page1->name, $matches[1][0]); // Create page 2. $page2 = $this->getDataGenerator()->create_module( 'page', ['course' => $course1->id, 'name' => 'Test 2'] ); // Filter the text again. $filtered2 = format_text($html, FORMAT_HTML, ['context' => $context1]); // The filter result does not change due to caching. $this->assertEquals($filtered1, $filtered2); // Change context, so that cache for course 1 is cleared. $filtered3 = format_text($html, FORMAT_HTML, ['context' => $context2]); $this->assertNotEquals($filtered1, $filtered3); $matches = []; preg_match_all( '~([^<]*)~', $filtered3, $matches ); // There should be no links. $this->assertCount(0, $matches[1]); // Filter the text for course 1. $filtered4 = format_text($html, FORMAT_HTML, ['context' => $context1]); // Find all the activity links in the result. $matches = []; preg_match_all( '~([^<]*)~', $filtered4, $matches ); // There should be 2 links. $this->assertCount(2, $matches[1]); $this->assertEquals($page1->name, $matches[1][0]); $this->assertEquals($page2->name, $matches[1][1]); } }PK\0Q~44db/install.phpnu[PK\'\rdb/renamedclasses.phpnu[PK\fvkk lang/en/filter_activitynames.phpnu[PK\qE3  version.phpnu[PK\c tfilter.phpnu[PK\_ įclasses/privacy/provider.phpnu[PK\NH4classes/text_filter.phpnu[PK\r#r#:tests/text_filter_test.phpnu[PK]