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Differences Between: [Versions 310 and 401] [Versions 39 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;
  18  
  19  use admin_category;
  20  use admin_externalpage;
  21  use admin_root;
  22  use admin_settingpage;
  23  use admin_setting_configdirectory;
  24  use admin_setting_configduration;
  25  use admin_setting_configexecutable;
  26  use admin_setting_configfile;
  27  use admin_setting_configmixedhostiplist;
  28  use admin_setting_configpasswordunmask;
  29  use admin_setting_configtext;
  30  
  31  defined('MOODLE_INTERNAL') || die();
  32  
  33  global $CFG;
  34  require_once($CFG->libdir.'/adminlib.php');
  35  
  36  /**
  37   * Provides the unit tests for admin tree functionality.
  38   *
  39   * @package     core
  40   * @category    test
  41   * @copyright   2013 David Mudrak <david@moodle.com>
  42   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  43   */
  44  class admintree_test extends \advanced_testcase {
  45  
  46      /**
  47       * Adding nodes into the admin tree.
  48       */
  49      public function test_add_nodes() {
  50  
  51          $tree = new admin_root(true);
  52          $tree->add('root', $one = new admin_category('one', 'One'));
  53          $tree->add('root', new admin_category('three', 'Three'));
  54          $tree->add('one', new admin_category('one-one', 'One-one'));
  55          $tree->add('one', new admin_category('one-three', 'One-three'));
  56  
  57          // Check the order of nodes in the root.
  58          $map = array();
  59          foreach ($tree->children as $child) {
  60              $map[] = $child->name;
  61          }
  62          $this->assertEquals(array('one', 'three'), $map);
  63  
  64          // Insert a node into the middle.
  65          $tree->add('root', new admin_category('two', 'Two'), 'three');
  66          $map = array();
  67          foreach ($tree->children as $child) {
  68              $map[] = $child->name;
  69          }
  70          $this->assertEquals(array('one', 'two', 'three'), $map);
  71  
  72          // Non-existing sibling.
  73          $tree->add('root', new admin_category('four', 'Four'), 'five');
  74          $this->assertDebuggingCalled('Sibling five not found', DEBUG_DEVELOPER);
  75  
  76          $tree->add('root', new admin_category('five', 'Five'));
  77          $map = array();
  78          foreach ($tree->children as $child) {
  79              $map[] = $child->name;
  80          }
  81          $this->assertEquals(array('one', 'two', 'three', 'four', 'five'), $map);
  82  
  83          // Insert a node into the middle of the subcategory.
  84          $tree->add('one', new admin_category('one-two', 'One-two'), 'one-three');
  85          $map = array();
  86          foreach ($one->children as $child) {
  87              $map[] = $child->name;
  88          }
  89          $this->assertEquals(array('one-one', 'one-two', 'one-three'), $map);
  90  
  91          // Check just siblings, not parents or children.
  92          $tree->add('one', new admin_category('one-four', 'One-four'), 'one');
  93          $this->assertDebuggingCalled('Sibling one not found', DEBUG_DEVELOPER);
  94  
  95          $tree->add('root', new admin_category('six', 'Six'), 'one-two');
  96          $this->assertDebuggingCalled('Sibling one-two not found', DEBUG_DEVELOPER);
  97  
  98          // Me! Me! I wanna be first!
  99          $tree->add('root', new admin_externalpage('zero', 'Zero', 'http://foo.bar'), 'one');
 100          $map = array();
 101          foreach ($tree->children as $child) {
 102              $map[] = $child->name;
 103          }
 104          $this->assertEquals(array('zero', 'one', 'two', 'three', 'four', 'five', 'six'), $map);
 105      }
 106  
 107      public function test_add_nodes_before_invalid1() {
 108          $tree = new admin_root(true);
 109          $this->expectException(\coding_exception::class);
 110          $tree->add('root', new admin_externalpage('foo', 'Foo', 'http://foo.bar'), array('moodle:site/config'));
 111      }
 112  
 113      public function test_add_nodes_before_invalid2() {
 114          $tree = new admin_root(true);
 115          $this->expectException(\coding_exception::class);
 116          $tree->add('root', new admin_category('bar', 'Bar'), '');
 117      }
 118  
 119      /**
 120       * Test that changes to config trigger events.
 121       */
 122      public function test_config_log_created_event() {
 123          global $DB;
 124          $this->resetAfterTest();
 125          $this->setAdminUser();
 126  
 127          $adminroot = new admin_root(true);
 128          $adminroot->add('root', $one = new admin_category('one', 'One'));
 129          $page = new admin_settingpage('page', 'Page');
 130          $page->add(new admin_setting_configtext('text1', 'Text 1', '', ''));
 131          $page->add(new admin_setting_configpasswordunmask('pass1', 'Password 1', '', ''));
 132          $adminroot->add('one', $page);
 133  
 134          $sink = $this->redirectEvents();
 135          $data = array('s__text1' => 'sometext', 's__pass1' => '');
 136          $this->save_config_data($adminroot, $data);
 137  
 138          $events = $sink->get_events();
 139          $sink->close();
 140          $event = array_pop($events);
 141          $this->assertInstanceOf('\core\event\config_log_created', $event);
 142  
 143          $sink = $this->redirectEvents();
 144          $data = array('s__text1'=>'other', 's__pass1'=>'nice password');
 145          $count = $this->save_config_data($adminroot, $data);
 146  
 147          $events = $sink->get_events();
 148          $sink->close();
 149          $event = array_pop($events);
 150          $this->assertInstanceOf('\core\event\config_log_created', $event);
 151          // Verify password was nuked.
 152          $this->assertNotEquals($event->other['value'], 'nice password');
 153  
 154      }
 155  
 156      /**
 157       * Testing whether a configexecutable setting is executable.
 158       */
 159      public function test_admin_setting_configexecutable() {
 160          global $CFG;
 161          $this->resetAfterTest();
 162  
 163          $CFG->theme = 'classic';
 164          $executable = new admin_setting_configexecutable('test1', 'Text 1', 'Help Path', '');
 165  
 166          // Check for an invalid path.
 167          $result = $executable->output_html($CFG->dirroot . '/lib/tests/other/file_does_not_exist');
 168          $this->assertMatchesRegularExpression('/class="text-danger"/', $result);
 169  
 170          // Check for a directory.
 171          $result = $executable->output_html($CFG->dirroot);
 172          $this->assertMatchesRegularExpression('/class="text-danger"/', $result);
 173  
 174          // Check for a file which is not executable.
 175          $result = $executable->output_html($CFG->dirroot . '/filter/tex/readme_moodle.txt');
 176          $this->assertMatchesRegularExpression('/class="text-danger"/', $result);
 177  
 178          // Check for an executable file.
 179          if ($CFG->ostype == 'WINDOWS') {
 180              $filetocheck = 'mimetex.exe';
 181          } else {
 182              $filetocheck = 'mimetex.darwin';
 183          }
 184          $result = $executable->output_html($CFG->dirroot . '/filter/tex/' . $filetocheck);
 185          $this->assertMatchesRegularExpression('/class="text-success"/', $result);
 186  
 187          // Check for no file specified.
 188          $result = $executable->output_html('');
 189          $this->assertMatchesRegularExpression('/name="s__test1"/', $result);
 190          $this->assertMatchesRegularExpression('/value=""/', $result);
 191      }
 192  
 193      /**
 194       * Saving of values.
 195       */
 196      public function test_config_logging() {
 197          global $DB;
 198          $this->resetAfterTest();
 199          $this->setAdminUser();
 200  
 201          $DB->delete_records('config_log', array());
 202  
 203          $adminroot = new admin_root(true);
 204          $adminroot->add('root', $one = new admin_category('one', 'One'));
 205          $page = new admin_settingpage('page', 'Page');
 206          $page->add(new admin_setting_configtext('text1', 'Text 1', '', ''));
 207          $page->add(new admin_setting_configpasswordunmask('pass1', 'Password 1', '', ''));
 208          $adminroot->add('one', $page);
 209  
 210          $this->assertEmpty($DB->get_records('config_log'));
 211          $data = array('s__text1'=>'sometext', 's__pass1'=>'');
 212          $count = $this->save_config_data($adminroot, $data);
 213  
 214          $this->assertEquals(2, $count);
 215          $records = $DB->get_records('config_log', array(), 'id asc');
 216          $this->assertCount(2, $records);
 217          reset($records);
 218          $record = array_shift($records);
 219          $this->assertNull($record->plugin);
 220          $this->assertSame('text1', $record->name);
 221          $this->assertNull($record->oldvalue);
 222          $this->assertSame('sometext', $record->value);
 223          $record = array_shift($records);
 224          $this->assertNull($record->plugin);
 225          $this->assertSame('pass1', $record->name);
 226          $this->assertNull($record->oldvalue);
 227          $this->assertSame('', $record->value);
 228  
 229          $DB->delete_records('config_log', array());
 230          $data = array('s__text1'=>'other', 's__pass1'=>'nice password');
 231          $count = $this->save_config_data($adminroot, $data);
 232  
 233          $this->assertEquals(2, $count);
 234          $records = $DB->get_records('config_log', array(), 'id asc');
 235          $this->assertCount(2, $records);
 236          reset($records);
 237          $record = array_shift($records);
 238          $this->assertNull($record->plugin);
 239          $this->assertSame('text1', $record->name);
 240          $this->assertSame('sometext', $record->oldvalue);
 241          $this->assertSame('other', $record->value);
 242          $record = array_shift($records);
 243          $this->assertNull($record->plugin);
 244          $this->assertSame('pass1', $record->name);
 245          $this->assertSame('', $record->oldvalue);
 246          $this->assertSame('********', $record->value);
 247  
 248          $DB->delete_records('config_log', array());
 249          $data = array('s__text1'=>'', 's__pass1'=>'');
 250          $count = $this->save_config_data($adminroot, $data);
 251  
 252          $this->assertEquals(2, $count);
 253          $records = $DB->get_records('config_log', array(), 'id asc');
 254          $this->assertCount(2, $records);
 255          reset($records);
 256          $record = array_shift($records);
 257          $this->assertNull($record->plugin);
 258          $this->assertSame('text1', $record->name);
 259          $this->assertSame('other', $record->oldvalue);
 260          $this->assertSame('', $record->value);
 261          $record = array_shift($records);
 262          $this->assertNull($record->plugin);
 263          $this->assertSame('pass1', $record->name);
 264          $this->assertSame('********', $record->oldvalue);
 265          $this->assertSame('', $record->value);
 266      }
 267  
 268      protected function save_config_data(admin_root $adminroot, array $data) {
 269          $adminroot->errors = array();
 270  
 271          $settings = admin_find_write_settings($adminroot, $data);
 272  
 273          $count = 0;
 274          foreach ($settings as $fullname=>$setting) {
 275              /** @var $setting admin_setting */
 276              $original = $setting->get_setting();
 277              $error = $setting->write_setting($data[$fullname]);
 278              if ($error !== '') {
 279                  $adminroot->errors[$fullname] = new \stdClass();
 280                  $adminroot->errors[$fullname]->data  = $data[$fullname];
 281                  $adminroot->errors[$fullname]->id    = $setting->get_id();
 282                  $adminroot->errors[$fullname]->error = $error;
 283              } else {
 284                  $setting->write_setting_flags($data);
 285              }
 286              if ($setting->post_write_settings($original)) {
 287                  $count++;
 288              }
 289          }
 290  
 291          return $count;
 292      }
 293  
 294      public function test_preventexecpath() {
 295          $this->resetAfterTest();
 296  
 297          set_config('preventexecpath', 0);
 298          set_config('execpath', null, 'abc_cde');
 299          $this->assertFalse(get_config('abc_cde', 'execpath'));
 300          $setting = new admin_setting_configexecutable('abc_cde/execpath', 'some desc', '', '/xx/yy');
 301          $setting->write_setting('/oo/pp');
 302          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 303  
 304          // Prevent changes.
 305          set_config('preventexecpath', 1);
 306          $setting->write_setting('/mm/nn');
 307          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 308  
 309          // Use default in install.
 310          set_config('execpath', null, 'abc_cde');
 311          $setting->write_setting('/mm/nn');
 312          $this->assertSame('/xx/yy', get_config('abc_cde', 'execpath'));
 313  
 314          // Use empty value if no default.
 315          $setting = new admin_setting_configexecutable('abc_cde/execpath', 'some desc', '', null);
 316          set_config('execpath', null, 'abc_cde');
 317          $setting->write_setting('/mm/nn');
 318          $this->assertSame('', get_config('abc_cde', 'execpath'));
 319  
 320          // This also affects admin_setting_configfile and admin_setting_configdirectory.
 321  
 322          set_config('preventexecpath', 0);
 323          set_config('execpath', null, 'abc_cde');
 324          $this->assertFalse(get_config('abc_cde', 'execpath'));
 325          $setting = new admin_setting_configfile('abc_cde/execpath', 'some desc', '', '/xx/yy');
 326          $setting->write_setting('/oo/pp');
 327          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 328  
 329          // Prevent changes.
 330          set_config('preventexecpath', 1);
 331          $setting->write_setting('/mm/nn');
 332          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 333  
 334          // Use default in install.
 335          set_config('execpath', null, 'abc_cde');
 336          $setting->write_setting('/mm/nn');
 337          $this->assertSame('/xx/yy', get_config('abc_cde', 'execpath'));
 338  
 339          // Use empty value if no default.
 340          $setting = new admin_setting_configfile('abc_cde/execpath', 'some desc', '', null);
 341          set_config('execpath', null, 'abc_cde');
 342          $setting->write_setting('/mm/nn');
 343          $this->assertSame('', get_config('abc_cde', 'execpath'));
 344  
 345          set_config('preventexecpath', 0);
 346          set_config('execpath', null, 'abc_cde');
 347          $this->assertFalse(get_config('abc_cde', 'execpath'));
 348          $setting = new admin_setting_configdirectory('abc_cde/execpath', 'some desc', '', '/xx/yy');
 349          $setting->write_setting('/oo/pp');
 350          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 351  
 352          // Prevent changes.
 353          set_config('preventexecpath', 1);
 354          $setting->write_setting('/mm/nn');
 355          $this->assertSame('/oo/pp', get_config('abc_cde', 'execpath'));
 356  
 357          // Use default in install.
 358          set_config('execpath', null, 'abc_cde');
 359          $setting->write_setting('/mm/nn');
 360          $this->assertSame('/xx/yy', get_config('abc_cde', 'execpath'));
 361  
 362          // Use empty value if no default.
 363          $setting = new admin_setting_configdirectory('abc_cde/execpath', 'some desc', '', null);
 364          set_config('execpath', null, 'abc_cde');
 365          $setting->write_setting('/mm/nn');
 366          $this->assertSame('', get_config('abc_cde', 'execpath'));
 367      }
 368  
 369      /**
 370       * Test setting an empty duration displays the correct validation message.
 371       */
 372      public function test_emptydurationvalue() {
 373          $this->resetAfterTest();
 374          $adminsetting = new admin_setting_configduration('abc_cde/duration', 'some desc', '', '');
 375  
 376          // A value that isn't a number is treated as a zero, so we expect to see no error message.
 377          $this->assertEmpty($adminsetting->write_setting(['u' => '3600', 'v' => 'abc']));
 378      }
 379  
 380      /**
 381       * Test setting for blocked hosts
 382       *
 383       * For testing the admin settings element only. Test for blocked hosts functionality can be found
 384       * in lib/tests/curl_security_helper_test.php
 385       */
 386      public function test_mixedhostiplist() {
 387          $this->resetAfterTest();
 388  
 389          $adminsetting = new admin_setting_configmixedhostiplist('abc_cde/hostiplist', 'some desc', '', '');
 390  
 391          // Test valid settings.
 392          $validsimplesettings = [
 393              'localhost',
 394              "localhost\n127.0.0.1",
 395              '192.168.10.1',
 396              '0:0:0:0:0:0:0:1',
 397              '::1',
 398              'fe80::',
 399              '231.54.211.0/20',
 400              'fe80::/64',
 401              '231.3.56.10-20',
 402              'fe80::1111-bbbb',
 403              '*.example.com',
 404              '*.sub.example.com',
 405          ];
 406  
 407          foreach ($validsimplesettings as $setting) {
 408              $errormessage = $adminsetting->write_setting($setting);
 409              $this->assertEmpty($errormessage, $errormessage);
 410              $this->assertSame($setting, get_config('abc_cde', 'hostiplist'));
 411              $this->assertSame($setting, $adminsetting->get_setting());
 412          }
 413  
 414          // Test valid international site names.
 415          $valididnsettings = [
 416              'правительство.рф' => 'xn--80aealotwbjpid2k.xn--p1ai',
 417              'faß.de' => 'xn--fa-hia.de',
 418              'ß.ß' => 'xn--zca.xn--zca',
 419              '*.tharkûn.com' => '*.xn--tharkn-0ya.com',
 420          ];
 421  
 422          foreach ($valididnsettings as $setting => $encodedsetting) {
 423              $errormessage = $adminsetting->write_setting($setting);
 424              $this->assertEmpty($errormessage, $errormessage);
 425              $this->assertSame($encodedsetting, get_config('abc_cde', 'hostiplist'));
 426              $this->assertSame($setting, $adminsetting->get_setting());
 427          }
 428  
 429          // Invalid settings.
 430          $this->assertEquals('These entries are invalid: nonvalid site name', $adminsetting->write_setting('nonvalid site name'));
 431          $this->assertEquals('Empty lines are not valid', $adminsetting->write_setting("localhost\n"));
 432      }
 433  
 434      /**
 435       * Verifies the $ADMIN global (adminroot cache) is properly reset when changing users, which might occur naturally during cron.
 436       */
 437      public function test_adminroot_cache_reset() {
 438          $this->resetAfterTest();
 439          global $DB;
 440          // Current user is a manager at site context, which won't have access to the 'debugging' section of the admin tree.
 441          $manageruser = $this->getDataGenerator()->create_user();
 442          $context = \context_system::instance();
 443          $managerrole = $DB->get_record('role', array('shortname' => 'manager'));
 444          role_assign($managerrole->id, $manageruser->id, $context->id);
 445          $this->setUser($manageruser);
 446          $adminroot = admin_get_root();
 447          $section = $adminroot->locate('debugging');
 448          $this->assertEmpty($section);
 449  
 450          // Now, change the user to an admin user and confirm we get a new copy of the admin tree when next we ask for it.
 451          $adminuser = get_admin();
 452          $this->setUser($adminuser);
 453          $adminroot = admin_get_root();
 454          $section = $adminroot->locate('debugging');
 455          $this->assertInstanceOf('\admin_settingpage', $section);
 456      }
 457  }