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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core_message;
  18  
  19  defined('MOODLE_INTERNAL') || die();
  20  
  21  global $CFG;
  22  
  23  require_once($CFG->dirroot . '/message/tests/messagelib_test.php');
  24  
  25  /**
  26   * Tests for the message helper class.
  27   *
  28   * @package core_message
  29   * @category test
  30   * @copyright 2018 Jake Dallimore <jrhdallimore@gmail.com>
  31   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32   * @covers \core_message\helper
  33   */
  34  class helper_test extends \advanced_testcase {
  35  
  36      public function setUp(): void {
  37          $this->resetAfterTest(true);
  38      }
  39  
  40      public function test_get_member_info_ordering() {
  41          // Create a conversation with several users.
  42          $user1 = self::getDataGenerator()->create_user();
  43          $user2 = self::getDataGenerator()->create_user();
  44          $user3 = self::getDataGenerator()->create_user();
  45          $user4 = self::getDataGenerator()->create_user();
  46  
  47          \core_message\api::create_conversation(
  48              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
  49              [
  50                  $user1->id,
  51                  $user2->id,
  52                  $user3->id,
  53                  $user4->id,
  54              ],
  55              'Group conversation'
  56          );
  57  
  58          // Verify that the member information comes back in the same order that we specified in the input array.
  59          $memberinfo = \core_message\helper::get_member_info($user1->id, [$user3->id, $user4->id, $user2->id]);
  60          $this->assertEquals($user3->id, array_shift($memberinfo)->id);
  61          $this->assertEquals($user4->id, array_shift($memberinfo)->id);
  62          $this->assertEquals($user2->id, array_shift($memberinfo)->id);
  63      }
  64  
  65      /**
  66       * Test search_get_user_details returns the correct profile data when $CFG->messagingallusers is disabled.
  67       */
  68      public function test_search_get_user_details_sitewide_disabled() {
  69          global $DB;
  70          set_config('messagingallusers', false);
  71  
  72          // Two students sharing course 1, visible profile within course (no groups).
  73          $user1 = $this->getDataGenerator()->create_user();
  74          $user2 = $this->getDataGenerator()->create_user();
  75          $course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);
  76          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
  77          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
  78  
  79          // A teacher in course 1.
  80          $user3 = $this->getDataGenerator()->create_user();
  81          $this->getDataGenerator()->enrol_user($user3->id, $course1->id, 'editingteacher');
  82  
  83          // Two students sharing course 2, separate groups (profiles not visible to one another).
  84          // Note: no groups are created here, but separate groups mode alone is enough to restrict profile access.
  85          $user4 = $this->getDataGenerator()->create_user();
  86          $user5 = $this->getDataGenerator()->create_user();
  87          $course2 = $this->getDataGenerator()->create_course((object) ['groupmode' => 1]);
  88          $this->getDataGenerator()->enrol_user($user4->id, $course2->id);
  89          $this->getDataGenerator()->enrol_user($user5->id, $course2->id);
  90  
  91          // A teacher in course 2.
  92          $user6 = $this->getDataGenerator()->create_user();
  93          $this->getDataGenerator()->enrol_user($user6->id, $course2->id, 'editingteacher');
  94  
  95          // Teacher and course contact in course 3.
  96          $user7 = $this->getDataGenerator()->create_user();
  97          $course3 = $this->getDataGenerator()->create_course();
  98          $this->getDataGenerator()->enrol_user($user7->id, $course3->id, 'editingteacher');
  99          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
 100  
 101          // Make teachers course contacts.
 102          set_config('coursecontact', $teacherrole->id);
 103  
 104          // User 1 should be able to see users within their course, but not course contacts or students in other courses.
 105          $this->setUser($user1);
 106          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user2)); // Student in same course.
 107          $this->assertEmpty(\core_message\helper::search_get_user_details($user4)); // Student in another course.
 108          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user3)); // Teacher in same course.
 109          $this->assertEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.
 110  
 111          // User 3 should be able to see the teacher in their own course, but not other students in that course nor course contacts
 112          // or students in other courses.
 113          $this->setUser($user4);
 114          $this->assertEmpty(\core_message\helper::search_get_user_details($user5)); // Student in same course.
 115          $this->assertEmpty(\core_message\helper::search_get_user_details($user1)); // Student in another course.
 116          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user6)); // Teacher in same course.
 117          $this->assertEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.
 118      }
 119  
 120      /**
 121       * Test search_get_user_details returns the correct profile data we limit the data we wish to be returned.
 122       */
 123      public function test_search_get_user_details_limited_data() {
 124          set_config('messagingallusers', false);
 125  
 126          // Two students sharing course 1, visible profile within course (no groups).
 127          $user1 = $this->getDataGenerator()->create_user();
 128          $user2 = $this->getDataGenerator()->create_user();
 129          $course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);
 130          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
 131          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
 132  
 133          // Calculate the minimum fields that can be returned.
 134          $namefields = \core_user\fields::for_name()->get_required_fields();
 135          $fields = array_intersect($namefields, user_get_default_fields());
 136  
 137          $minimaluser = (object) [
 138              'id' => $user2->id,
 139              'deleted' => $user2->deleted,
 140          ];
 141  
 142          foreach ($namefields as $field) {
 143              $minimaluser->$field = $user2->$field;
 144          }
 145  
 146          // Test that less data is returned using the filter.
 147          $this->setUser($user1);
 148          $fulldetails = helper::search_get_user_details($user2);
 149          $limiteddetails = helper::search_get_user_details($minimaluser, $fields);
 150          $fullcount = count($fulldetails);
 151          $limitedcount = count($limiteddetails);
 152          $this->assertLessThan($fullcount, $limitedcount);
 153          $this->assertNotEquals($fulldetails, $limiteddetails);
 154      }
 155  
 156      /**
 157       * Test search_get_user_details returns the correct profile data when $CFG->messagingallusers is enabled.
 158       */
 159      public function test_search_get_user_details_sitewide_enabled() {
 160          global $DB;
 161          set_config('messagingallusers', true);
 162  
 163          // Two students sharing course 1, visible profile within course (no groups).
 164          $user1 = $this->getDataGenerator()->create_user();
 165          $user2 = $this->getDataGenerator()->create_user();
 166          $course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);
 167          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
 168          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
 169  
 170          // A teacher in course 1.
 171          $user3 = $this->getDataGenerator()->create_user();
 172          $this->getDataGenerator()->enrol_user($user3->id, $course1->id, 'editingteacher');
 173  
 174          // Two students sharing course 2, separate groups (profiles not visible to one another).
 175          // Note: no groups are created here, but separate groups mode alone is enough to restrict profile access.
 176          $user4 = $this->getDataGenerator()->create_user();
 177          $user5 = $this->getDataGenerator()->create_user();
 178          $course2 = $this->getDataGenerator()->create_course((object) ['groupmode' => 1]);
 179          $this->getDataGenerator()->enrol_user($user4->id, $course2->id);
 180          $this->getDataGenerator()->enrol_user($user5->id, $course2->id);
 181  
 182          // A teacher in course 2.
 183          $user6 = $this->getDataGenerator()->create_user();
 184          $this->getDataGenerator()->enrol_user($user6->id, $course2->id, 'editingteacher');
 185  
 186          // Teacher and course contact in course 3.
 187          $user7 = $this->getDataGenerator()->create_user();
 188          $course3 = $this->getDataGenerator()->create_course();
 189          $this->getDataGenerator()->enrol_user($user7->id, $course3->id, 'editingteacher');
 190          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
 191  
 192          // Make teachers course contacts.
 193          set_config('coursecontact', $teacherrole->id);
 194  
 195          // User 1 should be able to see users within their course and course contacts, but not students in other courses.
 196          $this->setUser($user1);
 197          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user2)); // Student in same course.
 198          $this->assertEmpty(\core_message\helper::search_get_user_details($user4)); // Student in another course.
 199          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user3)); // Teacher in same course.
 200          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.
 201  
 202          // User 3 should be able to see the teacher in their own course, but not other students in that course nor course contacts
 203          // or students in other courses.
 204          $this->setUser($user4);
 205          $this->assertEmpty(\core_message\helper::search_get_user_details($user5)); // Student in same course.
 206          $this->assertEmpty(\core_message\helper::search_get_user_details($user1)); // Student in another course.
 207          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user6)); // Teacher in same course.
 208          $this->assertNotEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.
 209      }
 210  
 211      /**
 212       * Test prevent_unclosed_html_tags returns the correct html.
 213       *
 214       * @dataProvider prevent_unclosed_html_tags_data
 215       * @param string $text text to preview unclosed html tags.
 216       * @param string $goodhtml html good structured.
 217       * @param bool $removebody true if we want to remove tag body.
 218       */
 219      public function test_prevent_unclosed_html_tags(string $message, string $goodhtml, bool $removebody) {
 220          $this->setAdminUser();
 221  
 222          $html = \core_message\helper::prevent_unclosed_html_tags($message, $removebody);
 223          $this->assertSame($goodhtml, $html);
 224      }
 225  
 226      /**
 227       * Data provider for the test_prevent_unclosed_html_tags_data tests.
 228       *
 229       * @return  array
 230       */
 231      public function prevent_unclosed_html_tags_data(): array {
 232          return [
 233              'Prevent unclosed html elements' => [
 234                  '<h1>Title</h1><p>Paragraph</p><b>Bold', '<h1>Title</h1><p>Paragraph</p><b>Bold</b>', true
 235              ],
 236              'Prevent unclosed html elements including comments' => [
 237                  '<h1>Title</h1><p>Paragraph</p><!-- Comments //--><b>Bold', '<h1>Title</h1><p>Paragraph</p><!-- Comments //--><b>Bold</b>', true
 238              ],
 239              'Prevent unclosed comments' => ['<h1>Title</h1><p>Paragraph</p><!-- Comments', '<h1>Title</h1><p>Paragraph</p>', true
 240              ],
 241              'Prevent unclosed html elements without removing tag body' => [
 242                  '<body><h2>Title 2</h2><p>Paragraph</p><b>Bold</body>', '<body><h2>Title 2</h2><p>Paragraph</p><b>Bold</b></body>', false
 243              ],
 244              'Empty html' => [
 245                  '', '', false
 246              ],
 247              'Check encoding UTF-8 is working' => [
 248                  '<body><h1>Title</h1><p>السلام عليكم</p></body>', '<body><h1>Title</h1><p>السلام عليكم</p></body>', false
 249              ],
 250          ];
 251      }
 252  }