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   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  /**
  18   * Filter form.
  19   *
  20   * @package    logstore_database
  21   * @copyright  2014 onwards Ankit Agarwal
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once('../../../../../config.php');
  26  require_once($CFG->dirroot . '/lib/adminlib.php');
  27  
  28  require_login();
  29  $context = context_system::instance();
  30  require_capability('moodle/site:config', $context);
  31  require_sesskey();
  32  
  33  navigation_node::override_active_url(new moodle_url('/admin/settings.php', array('section' => 'logsettingdatabase')));
  34  admin_externalpage_setup('logstoredbtestsettings');
  35  
  36  echo $OUTPUT->header();
  37  echo $OUTPUT->heading(get_string('testingsettings', 'logstore_database'));
  38  
  39  // NOTE: this is not localised intentionally, admins are supposed to understand English at least a bit...
  40  
  41  raise_memory_limit(MEMORY_HUGE);
  42  $dbtable = get_config('logstore_database', 'dbtable');
  43  if (empty($dbtable)) {
  44      echo $OUTPUT->notification('External table not specified.', 'notifyproblem');
  45      die();
  46  }
  47  
  48  $dbdriver = get_config('logstore_database', 'dbdriver');
  49  list($dblibrary, $dbtype) = explode('/', $dbdriver);
  50  if (!$db = \moodle_database::get_driver_instance($dbtype, $dblibrary, true)) {
  51      echo $OUTPUT->notification("Unknown driver $dblibrary/$dbtype", "notifyproblem");
  52      die();
  53  }
  54  
  55  $olddebug = $CFG->debug;
  56  $olddisplay = ini_get('display_errors');
  57  ini_set('display_errors', '1');
  58  $CFG->debug = DEBUG_DEVELOPER;
  59  error_reporting($CFG->debug);
  60  
  61  $dboptions = array();
  62  $dboptions['dbpersist'] = get_config('logstore_database', 'dbpersist');
  63  $dboptions['dbsocket'] = get_config('logstore_database', 'dbsocket');
  64  $dboptions['dbport'] = get_config('logstore_database', 'dbport');
  65  $dboptions['dbschema'] = get_config('logstore_database', 'dbschema');
  66  $dboptions['dbcollation'] = get_config('logstore_database', 'dbcollation');
  67  
  68  try {
  69      $db->connect(get_config('logstore_database', 'dbhost'), get_config('logstore_database', 'dbuser'),
  70          get_config('logstore_database', 'dbpass'), get_config('logstore_database', 'dbname'), false, $dboptions);
  71  } catch (\moodle_exception $e) {
  72      echo $OUTPUT->notification('Cannot connect to the database.', 'notifyproblem');
  73      $CFG->debug = $olddebug;
  74      ini_set('display_errors', $olddisplay);
  75      error_reporting($CFG->debug);
  76      ob_end_flush();
  77      echo $OUTPUT->footer();
  78      die();
  79  }
  80  echo $OUTPUT->notification('Connection made.', 'notifysuccess');
  81  $tables = $db->get_tables();
  82  if (!in_array($dbtable, $tables)) {
  83      echo $OUTPUT->notification('Cannot find the specified table ' . $dbtable, 'notifyproblem');
  84      $CFG->debug = $olddebug;
  85      ini_set('display_errors', $olddisplay);
  86      error_reporting($CFG->debug);
  87      ob_end_flush();
  88      echo $OUTPUT->footer();
  89      die();
  90  }
  91  echo $OUTPUT->notification('Table ' . $dbtable . ' found.', 'notifysuccess');
  92  
  93  $cols = $db->get_columns($dbtable);
  94  if (empty($cols)) {
  95      echo $OUTPUT->notification('Can not read external table.', 'notifyproblem');
  96  } else {
  97      $columns = array_keys((array)$cols);
  98      echo $OUTPUT->notification('External table contains following columns:<br />' . implode(', ', $columns), 'notifysuccess');
  99  }
 100  
 101  $db->dispose();
 102  
 103  $CFG->debug = $olddebug;
 104  ini_set('display_errors', $olddisplay);
 105  error_reporting($CFG->debug);
 106  ob_end_flush();
 107  echo $OUTPUT->footer();