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   1  <?php
   2  // $Id: mollom.pages.inc,v 1.1.2.16 2010/08/07 02:49:44 dries Exp $
   3  
   4  /**
   5   * @file
   6   * Various non-administration page callbacks for the mollom module.
   7   */
   8  
   9  /**
  10   * AJAX callback to retrieve a CAPTCHA.
  11   *
  12   * @param $type
  13   *   The new CAPTCHA type to retrieve, e.g. 'image' or 'audio'.
  14   * @param $session_id
  15   *   The last known Mollom session id contained in the form.
  16   *
  17   * @return
  18   *   A JSON array containing:
  19   *   - content: The HTML markup for the new CAPTCHA.
  20   *   - session_id: The Mollom session id for the new CAPTCHA.
  21   *
  22   * @todo Add error handling.
  23   */
  24  function mollom_captcha_js($type, $session_id) {
  25    // Extract Mollom session id from form element value.
  26    @list($timestamp, $mollom_session_id) = explode('-', $session_id, 2);
  27    if (empty($mollom_session_id)) {
  28      watchdog('mollom', 'Bogus session id %session.', array('%session' => $session_id), WATCHDOG_WARNING);
  29      drupal_json();
  30      exit();
  31    }
  32  
  33    $captcha = mollom_get_captcha($type, array('session_id' => $mollom_session_id));
  34  
  35    // Update cached session id in the cached $form_state.
  36    if (!empty($captcha['response']['session_id'])) {
  37      if ($cache = cache_get($mollom_session_id, 'cache_mollom')) {
  38        $form_state['mollom'] = $cache->data;
  39        $form_state['mollom']['response']['session_id'] = $captcha['response']['session_id'];
  40        cache_set($form_state['mollom']['response']['session_id'], $form_state['mollom'], 'cache_mollom', $timestamp + 21600);
  41        // After successfully updating the cache, replace the original session id.
  42        $mollom_session_id = $captcha['response']['session_id'];
  43      }
  44    }
  45  
  46    // Return new content and new session_id via JSON.
  47    $data = array(
  48      'content' => $captcha['markup'],
  49      'session_id' => $timestamp . '-' . $mollom_session_id,
  50    );
  51    drupal_json($data);
  52    exit();
  53  }
  54  
  55  /**
  56   * Form builder for report to Mollom form.
  57   *
  58   * @param $entity
  59   *   The entity type of the data to report, e.g. 'node' or 'comment'.
  60   * @param $id
  61   *   The entity id the data belongs to. If 'session' is passed as $entity, then
  62   *   $id is assumed to be a Mollom session_id, as returned by Mollom servers,
  63   *   which should only be used to report session data that was not stored for an
  64   *   entity in the database (such as contact form submissions).
  65   */
  66  function mollom_report_form(&$form_state, $entity, $id) {
  67    $form['entity'] = array(
  68      '#type' => 'value',
  69      '#value' => $entity,
  70    );
  71    $form['id'] = array(
  72      '#type' => 'value',
  73      '#value' => $id,
  74    );
  75    $form['feedback'] = array(
  76      '#type' => 'radios',
  77      '#title' => t('Optionally report this to Mollom'),
  78      '#options' => array(
  79        'none' => t("Don't send feedback to Mollom"),
  80        'spam' => t('Report as spam or unsolicited advertising'),
  81        'profanity' => t('Report as obscene, violent or profane content'),
  82        'low-quality' => t('Report as low-quality content or writing'),
  83        'unwanted' => t('Report as unwanted, taunting or off-topic content'),
  84      ),
  85      '#default_value' => 'none',
  86      '#description' => t("Mollom is a web service that helps you moderate your site's content: see <a href=\"http://mollom.com\">http://mollom.com</a> for more information. By sending feedback to Mollom, you teach Mollom about the content you like and dislike, allowing Mollom to do a better job helping you moderate your site's content. If you want to report multiple posts at once, you can use Mollom's bulk operations on the content and comment administration pages."),
  87    );
  88  
  89    // @todo "Delete" does not work for reporting mails to Mollom. In D7+, this
  90    //   form should be used solely for mails, as other entities are reported
  91    //   through existing delete confirmation forms instead. Perhaps there should
  92    //   be a dedicated form for reporting mails, as they are not really
  93    //   compatible with any of the standard processes either way.
  94    return confirm_form($form,
  95      t('Are you sure you want to delete and report the content as inappropriate?'),
  96      isset($_GET['destination']) ? $_GET['destination'] : '<front>',
  97      t('This action cannot be undone.'),
  98      t('Delete'), t('Cancel')
  99    );
 100  }
 101  
 102  /**
 103   * Form submit handler for mollom_report_form().
 104   */
 105  function mollom_report_form_submit($form, &$form_state) {
 106    if ($form_state['values']['confirm']) {
 107      $entity = $form_state['values']['entity'];
 108      $id = $form_state['values']['id'];
 109  
 110      // Load the Mollom session data.
 111      if ($entity == 'session') {
 112        $data = new stdClass;
 113        $data->session = $id;
 114      }
 115      else {
 116        $data = mollom_data_load($entity, $id);
 117      }
 118  
 119      // Send feedback to Mollom, if we have session data.
 120      if (isset($data->session) && isset($form_state['values']['feedback']) && $form_state['values']['feedback'] != 'none') {
 121        // @todo Check the actual reponse.
 122        _mollom_send_feedback($data->session, $form_state['values']['feedback']);
 123        drupal_set_message(t('The content was successfully reported as inappropriate.'));
 124      }
 125  
 126      // Delete the content. The callback should take care of proper deletion and
 127      // cache clearing on its own.
 128      foreach (mollom_form_list() as $form_id => $info) {
 129        if (!isset($info['entity']) || $info['entity'] != $entity) {
 130          continue;
 131        }
 132        // If there is a 'report delete callback', invoke it.
 133        if (isset($info['report delete callback']) && function_exists($info['report delete callback'])) {
 134          $function = $info['report delete callback'];
 135          $function($entity, $id);
 136          break;
 137        }
 138      }
 139  
 140      $form_state['redirect'] = '<front>';
 141    }
 142  }