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root / drupal7 / sites / all / modules / print / print_mail / print_mail.inc @ a2baadd1

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<?php
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3
/**
4
 * @file
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 * Displays and processes the mail send form.
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 *
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 * This file is included by the print_mail module and includes the
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 * mail form display, validation and submit hooks.
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 *
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 * @ingroup print
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 */
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require_once(DRUPAL_ROOT . '/' . drupal_get_path('module', 'print') . '/print.pages.inc');
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// Include MIME library
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@include_once('Mail/mime.php');
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/**
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 * Menu callback for the send by email form.
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 *
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 * @ingroup forms
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 */
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function print_mail_form($form, &$form_state) {
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  global $user;
25

    
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  // Remove the printmail/ prefix
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  $path_arr = explode('/', $_GET['q']);
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  unset($path_arr[0]);
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  $path = filter_xss(implode('/', $path_arr));
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  if (empty($path)) {
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    // If no path was provided, let's try to generate a page for the referer
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    global $base_url;
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    $ref = $_SERVER['HTTP_REFERER'];
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    $path = preg_replace("!^$base_url/!", '', $ref);
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    if (($path === $ref) || empty($path)) {
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      $path = variable_get('site_frontpage', 'node');
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    }
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    drupal_goto(PRINTMAIL_PATH . '/' . $path);
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  }
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  elseif (ctype_digit($path_arr[1])) {
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    if (drupal_lookup_path('source', $path)) {
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      // This is a numeric alias
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      $path = drupal_get_normal_path($path);
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    }
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    else {
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      // normal nid
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      $path = 'node/' . $path;
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    }
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  }
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  else {
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    $path = drupal_get_normal_path($path);
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  }
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  // Handle the query
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  $query = $_GET;
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  unset($query['q']);
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  $print_mail_hourly_threshold = variable_get('print_mail_hourly_threshold', PRINT_MAIL_HOURLY_THRESHOLD);
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  if ((!user_access('send unlimited emails')) && (!flood_is_allowed('print_mail', $print_mail_hourly_threshold))) {
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    $form['flood'] = array(
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      '#type' => 'markup',
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      '#markup' => '<p>' . format_plural($print_mail_hourly_threshold, 'You cannot send more than 1 message per hour. Please try again later.', 'You cannot send more than @count messages per hour. Please try again later.') . '</p>',
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    );
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    return $form;
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  }
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  $print_mail_teaser_default = variable_get('print_mail_teaser_default', PRINT_MAIL_TEASER_DEFAULT_DEFAULT);
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  $print_mail_teaser_choice = variable_get('print_mail_teaser_choice', PRINT_MAIL_TEASER_CHOICE_DEFAULT);
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  $form = array();
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  $cid = isset($_GET['comment']) ? (int)$_GET['comment'] : NULL;
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  $title = _print_get_title($path);
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  if (count($form_state['input']) == 0) {
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    $nodepath = drupal_get_normal_path($path);
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    db_merge('print_mail_page_counter')
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      ->key(array('path' => $nodepath))
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      ->fields(array(
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          'totalcount' => 1,
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          'timestamp' => REQUEST_TIME,
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      ))
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      ->expression('totalcount', 'totalcount + 1')
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      ->execute();
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  }
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  $form['path'] = array('#type' => 'value', '#value' => $path);
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  $form['query'] = array('#type' => 'value', '#value' => $query);
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  $form['cid'] =  array('#type' => 'value', '#value' => $cid);
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  $form['title'] = array('#type' => 'value', '#value' => $title);
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  $form['fld_from_addr'] = array(
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    '#type' => 'textfield',
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    '#title' => t('Your email'),
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    '#size' => 62,
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    '#required' => TRUE,
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  );
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  $form['fld_from_name'] = array(
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    '#type' => 'textfield',
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    '#title' => t('Your name'),
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    '#size' => 62,
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  );
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  $form['txt_to_addrs'] = array(
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    '#type' => 'textarea',
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    '#title' => t('Send to'),
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    '#rows' => 3,
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    '#resizable' => FALSE,
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    '#description' => t('Enter multiple addresses separated by commas and/or different lines.'),
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    '#required' => TRUE,
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  );
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  $form['fld_subject'] = array(
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    '#type' => 'textfield',
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    '#title' => t('Subject'),
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    '#size' => 62,
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    '#required' => TRUE,
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  );
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  if (!empty($title)) {
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    // To prevent useless translation strings, try to translate only non-node titles
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    if (drupal_substr($path, 0, 5) != 'node/') {
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      $title = t($title);
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    }
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    $form['fld_title'] = array(
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      '#type' => 'item',
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      '#title' => t('Page to be sent'),
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      '#markup' => l($title, $path, array('attributes' => array('title' => t('View page')), 'query' => $query)),
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    );
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  }
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  $form['txt_message'] = array(
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    '#type' => 'textarea',
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    '#title' => t('Your message'),
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    '#rows' => 6,
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    '#required' => TRUE,
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  );
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  if ($print_mail_teaser_choice) {
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    $form['chk_teaser'] = array(
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      '#type' => 'checkbox',
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      '#title' => t('Send only the teaser'),
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      '#default_value' => $print_mail_teaser_default,
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    );
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  }
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  else {
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    $form['chk_teaser'] = array('#type' => 'value', '#value' => $print_mail_teaser_default);
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  }
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  $form['btn_submit'] = array(
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    '#name' => 'submit',
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    '#type' => 'submit',
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    '#value' => t('Send email'),
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  );
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  $form['btn_cancel'] = array(
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    '#name' => 'cancel',
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    '#type' => 'submit',
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    '#value' => t('Cancel'),
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  );
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  if ($user->uid != 0) {
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    $user_name = check_plain(strip_tags(theme('username', array('account' => $user))));
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    $form['fld_from_addr']['#default_value'] = $user->mail;
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    $form['fld_from_addr']['#disabled'] = TRUE;
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    $form['fld_from_addr']['#value'] = $user->mail;
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    $form['fld_from_name']['#default_value'] = $user_name;
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  }
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  else {
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    $user_name = t('Someone');
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  }
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  $site_name = variable_get('site_name', t('an interesting site'));
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  $print_mail_text_subject = filter_xss(variable_get('print_mail_text_subject', t('!user has sent you a message from !site')));
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  $form['fld_subject']['#default_value'] = t($print_mail_text_subject, array('!user' => $user_name, '!site' => $site_name, '!title' => $title));
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  $print_mail_text_content = filter_xss(variable_get('print_mail_text_content', ''));
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  $form['txt_message']['#default_value'] = t($print_mail_text_content);
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  return $form;
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}
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/**
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 * Theme function for the send by-email form submission.
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 *
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 * Adds a class to the form labels. This class is used to place the label on
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 * the left of the input fields.
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 *
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 * @ingroup forms
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 */
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function theme_print_mail_form($variables) {
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  $form = $variables['form'];
188

    
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  drupal_add_css(drupal_get_path('module', 'print') . '/css/printlinks.css');
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  $content = '';
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  foreach (element_children($form) as $key) {
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    $tmp = drupal_render($form[$key]);
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    switch ($key) {
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      case 'fld_from_addr':
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      case 'fld_from_name':
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      case 'txt_to_addrs':
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      case 'fld_subject':
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      case 'fld_title':
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        $tmp = str_replace('<label', '<label class ="printmail-label"', $tmp);
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        break;
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    }
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    $content .= $tmp;
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  }
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  return $content;
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}
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/**
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 * Validate the send by-email form submission.
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 *
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 * @ingroup forms
211
 */
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function print_mail_form_validate($form, &$form_state) {
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  if (array_key_exists('cancel', $form_state['input'])) {
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    form_set_error(NULL, '', TRUE);
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    drupal_get_messages('error');
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    drupal_goto(preg_replace('!^book/export/html/!', 'node/', $form_state['values']['path']), array('query' => $form_state['values']['query']));
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    return;
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  }
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  $from_addr = trim($form_state['values']['fld_from_addr']);
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  $test = user_validate_mail($from_addr);
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  if ($test) {
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    form_set_error('fld_from_addr', $test);
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  }
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  // All new-lines are replaced by commas
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  $to_addrs = preg_replace('![\r|\n|,]+!', ',', trim($form_state['values']['txt_to_addrs']));
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  // Create an array from the string
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  $to_array = explode(',', $to_addrs);
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  // Verify each element of the array
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  foreach ($to_array as $key => $address) {
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    $address = trim($address);
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    if (preg_match('/(.*?) <(.*)>/s', $address, $matches)) {
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      // Address is of the type User Name <user@domain.tld>
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      $test = user_validate_mail($matches[2]);
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      $to_array[$key] = trim($matches[1]) . ' <' . $matches[2] . '>';
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    }
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    else {
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      // Address must be user@domain.tld
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      $test = user_validate_mail($address);
241
    }
242
    if ($test) {
243
      form_set_error('txt_to_addrs', $test);
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    }
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  }
246

    
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  $print_mail_hourly_threshold = variable_get('print_mail_hourly_threshold', PRINT_MAIL_HOURLY_THRESHOLD);
248

    
249
  if ((!user_access('send unlimited emails')) && (!flood_is_allowed('print_mail', $print_mail_hourly_threshold - count($to_array) + 1))) {
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    form_set_error('txt_to_addrs',  t('You cannot send more than %number messages per hour. Please reduce the number of recipients.', array('%number' => $print_mail_hourly_threshold)));
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  }
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  // In all fields, prevent insertion of custom headers
254
  foreach ($form_state['values'] as $key => $string) {
255
    if ( (drupal_substr($key, 0, 4) == 'fld_') && ((strpos($string, "\n") !== FALSE) || (strpos($string, "\r") !== FALSE)) ) {
256
      form_set_error($key, 'Found invalid character');
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    }
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  }
259

    
260
  $form_state['values']['fld_from_addr'] = $from_addr;
261
  $form_state['values']['fld_from_name'] = trim($form_state['values']['fld_from_name']);
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  // Re-create the string from the re-organized array
263
  $form_state['values']['txt_to_addrs'] = implode(', ', $to_array);
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}
265

    
266
/**
267
 * Process the send by-email form submission.
268
 *
269
 * @ingroup forms
270
 */
271
function print_mail_form_submit($form, &$form_state) {
272
  if (!array_key_exists('cancel', $form_state['values'])) {
273
    $cid = isset($form_state['values']['cid']) ? $form_state['values']['cid'] : NULL;
274
    $print_mail_text_message = filter_xss_admin(variable_get('print_mail_text_message', t('Message from sender')));
275
    $sender_message = $print_mail_text_message . ':<br /><br /><em>' . nl2br(check_plain($form_state['values']['txt_message'])) . '</em>';
276

    
277
    $print = print_controller($form_state['values']['path'], $form_state['values']['query'], $cid, PRINT_MAIL_FORMAT, $form_state['values']['chk_teaser'], $sender_message);
278

    
279
    if ($print !== FALSE) {
280
      $print_mail_send_option_default = variable_get('print_mail_send_option_default', PRINT_MAIL_SEND_OPTION_DEFAULT);
281

    
282
      $params = array();
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      $params['subject'] = $form_state['values']['fld_subject'];
284
      $params['message'] = $sender_message;
285
      $params['link'] = $print['url'];
286
      $params['title'] = $form_state['values']['title'];
287

    
288
      // If a name is provided, make From: in the format Common Name <address>
289
      if (!empty($form_state['values']['fld_from_name'])) {
290
        $from = '"' . mime_header_encode($form_state['values']['fld_from_name']) . '" <' . $form_state['values']['fld_from_addr'] . '>';
291
      }
292
      else {
293
        $from = $form_state['values']['fld_from_addr'];
294
      }
295

    
296
      // If using reply-to, move the From: info to the params array, so that it is passed to hook_mail later
297
      if (variable_get('print_mail_use_reply_to', PRINT_MAIL_USE_REPLY_TO)) {
298
        $params['from'] = $from;
299
        $from = NULL;
300
      }
301

    
302
      // Spaces in img URLs must be replaced with %20
303
      $pattern = '!<(img\s[^>]*?)>!is';
304
      $print['content'] = preg_replace_callback($pattern, '_print_replace_spaces', $print['content']);
305

    
306
      $node = $print['node'];
307
      $params['body'] = theme('print', array('print' => $print, 'type' => PRINT_MAIL_FORMAT, 'node' => $node));
308

    
309
      // Img elements must be set to absolute
310
      $pattern = '!<(img\s[^>]*?)>!is';
311
      $params['body'] = preg_replace_callback($pattern, '_print_rewrite_urls', $params['body']);
312

    
313
      // Convert the a href elements, to make sure no relative links remain
314
      $pattern = '!<(a\s[^>]*?)>!is';
315
      $params['body'] = preg_replace_callback($pattern, '_print_rewrite_urls', $params['body']);
316

    
317
      $ok = FALSE;
318
      $use_job_queue = variable_get('print_mail_job_queue', PRINT_MAIL_JOB_QUEUE_DEFAULT);
319
      if ($use_job_queue) {
320
        $queue = DrupalQueue::get('print_mail_send');
321
      }
322

    
323
      $addresses = explode(', ', $form_state['values']['txt_to_addrs']);
324
      foreach ($addresses as $to) {
325
        if ($use_job_queue) {
326
          // Use job queue to send mails during cron runs
327
          $queue->createItem(array('module' => 'print_mail', 'key' => $print_mail_send_option_default, 'to' => $to, 'language' => language_default(), 'params' => $params, 'from' => $from));
328
        }
329
        else {
330
          // Send mail immediately using Drupal's mail handler
331
          $ret = drupal_mail('print_mail', $print_mail_send_option_default, $to, language_default(), $params, $from);
332
        }
333
        if ($use_job_queue || $ret['result']) {
334
          flood_register_event('print_mail');
335
          $ok = TRUE;
336
        }
337
      }
338
      if ($ok) {
339
        $query = empty($form_state['values']['query']) ? '' : '?' . rawurldecode(drupal_http_build_query($form_state['values']['query']));
340
        watchdog('print_mail', '%name [%from] sent %page to [%to]', array('%name' => $form_state['values']['fld_from_name'], '%from' => $form_state['values']['fld_from_addr'], '%page' => $form_state['values']['path'] . $query, '%to' => $form_state['values']['txt_to_addrs']));
341
        $site_name = variable_get('site_name', t('us'));
342
        $print_mail_text_confirmation = variable_get('print_mail_text_confirmation', t('Thank you for spreading the word about !site.'));
343
        drupal_set_message(check_plain(t($print_mail_text_confirmation, array('!site' => $site_name))));
344

    
345
        $nodepath = drupal_get_normal_path($form_state['values']['path']);
346
        db_update('print_mail_page_counter')
347
          ->fields(array(
348
              'sentcount' => 1,
349
              'sent_timestamp' => REQUEST_TIME,
350
          ))
351
          ->condition('path', $nodepath, '=')
352
          ->expression('sentcount', 'sentcount + :inc', array(':inc' => count($addresses)))
353
          ->execute();
354
      }
355
    }
356
  }
357

    
358
  $form_state['redirect'] = array(preg_replace('!^book/export/html/!', 'node/', $form_state['values']['path']), array('query' => $form_state['values']['query']));
359
}