426 lines
16 KiB
PHP
426 lines
16 KiB
PHP
<?php
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/**
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* @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_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_state) {
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global $user;
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// Remove the printmail/ prefix
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$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 = referer_uri();
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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($path);
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}
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$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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'#value' => '<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['post']) == 0) {
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$nodepath = drupal_get_normal_path($path);
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db_query("UPDATE {print_mail_page_counter} SET totalcount = totalcount + 1, timestamp = %d WHERE path = '%s'", time(), $nodepath);
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// If we affected 0 rows, this is the first time viewing the node.
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if (!db_affected_rows()) {
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// We must create a new row to store counters for the new node.
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db_query("INSERT INTO {print_mail_page_counter} (path, totalcount, timestamp) VALUES ('%s', 1, %d)", $nodepath, time());
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}
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}
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$form['path'] = array('#type' => 'value', '#value' => $path);
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$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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'#wysiwyg' => FALSE,
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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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'#value' => '<span id="sent-title">'. l($title, $path, array('attributes' => array('title' => t('View page')))) .'</span>',
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'#id' => 'sent-title',
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);
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}
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$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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'#wysiwyg' => FALSE,
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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', $user)));
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$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 $form;
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}
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/**
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* Theme function for the send by-email form submission.
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*
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* Adds a class to the form labels. This class is used to place the label on
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* the left of the input fields.
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*
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* @ingroup forms
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*/
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function theme_print_mail_form($form) {
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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 $content;
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}
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/**
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* Validate the send by-email form submission.
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*
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* @ingroup forms
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*/
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function print_mail_form_validate($form, &$form_state) {
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if (array_key_exists('cancel', $form['#post'])) {
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form_set_error(NULL, '', TRUE);
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drupal_get_messages('error');
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return;
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}
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$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($address);
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}
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if ($test) {
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form_set_error('txt_to_addrs', $test);
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}
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}
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$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', $print_mail_hourly_threshold - count($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' => $print_mail_hourly_threshold)));
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}
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// In all fields, prevent insertion of custom headers
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foreach ($form_state['values'] as $key => $string) {
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if ( (drupal_substr($key, 0, 4) == 'fld_') && ((strpos($string, "\n") !== FALSE) || (strpos($string, "\r") !== FALSE)) ) {
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form_set_error($key, 'Found invalid character');
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}
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}
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$form_state['values']['fld_from_addr'] = $from_addr;
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$form_state['values']['fld_from_name'] = trim($form_state['values']['fld_from_name']);
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// Re-create the string from the re-organized array
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$form_state['values']['txt_to_addrs'] = implode(', ', $to_array);
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}
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/**
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* Process the send by-email form submission.
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*
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* @ingroup forms
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*/
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function print_mail_form_submit($form, &$form_state) {
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if (!array_key_exists('cancel', $form_state['values'])) {
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$cid = isset($form_state['values']['cid']) ? $form_state['values']['cid'] : NULL;
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$print_mail_text_message = filter_xss_admin(variable_get('print_mail_text_message', t('Message from sender')));
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$sender_message = $print_mail_text_message .':<br /><br /><em>'. nl2br(check_plain($form_state['values']['txt_message'])) .'</em>';
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$print = print_controller($form_state['values']['path'], $cid, PRINT_MAIL_FORMAT, $form_state['values']['chk_teaser'], $sender_message);
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if ($print !== FALSE) {
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$print_mail_send_option_default = variable_get('print_mail_send_option_default', PRINT_MAIL_SEND_OPTION_DEFAULT);
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$params = array();
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$params['subject'] = $form_state['values']['fld_subject'];
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$params['message'] = $sender_message;
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$params['link'] = $print['url'];
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$params['title'] = $form_state['values']['title'];
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// If a name is provided, make From: in the format Common Name <address>
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if (!empty($form_state['values']['fld_from_name'])) {
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$from = '"' . mime_header_encode($form_state['values']['fld_from_name']) . '" <' . $form_state['values']['fld_from_addr'] . '>';
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}
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else {
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$from = $form_state['values']['fld_from_addr'];
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}
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// If using reply-to, move the From: info to the params array, so that it is passed to hook_mail later
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if (variable_get('print_mail_use_reply_to', PRINT_MAIL_USE_REPLY_TO)) {
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$params['from'] = $from;
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$from = NULL;
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}
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// Spaces in img URLs must be replaced with %20
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$pattern = '!<(img\s[^>]*?)>!is';
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$print['content'] = preg_replace_callback($pattern, '_print_replace_spaces', $print['content']);
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$node = $print['node'];
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$params['body'] = theme('print_page', $print, PRINT_MAIL_FORMAT, $node);
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$params['body'] = drupal_final_markup($params['body']);
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// Img elements must be set to absolute
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$pattern = '!<(img\s[^>]*?)>!is';
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$params['body'] = preg_replace_callback($pattern, '_print_rewrite_urls', $params['body']);
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// Convert the a href elements, to make sure no relative links remain
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$pattern = '!<(a\s[^>]*?)>!is';
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$params['body'] = preg_replace_callback($pattern, '_print_rewrite_urls', $params['body']);
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$ok = FALSE;
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if (function_exists('job_queue_add') && variable_get('print_mail_job_queue', PRINT_MAIL_JOB_QUEUE_DEFAULT)) {
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$use_job_queue = TRUE;
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$this_file = drupal_get_path('module', 'print_mail') .'/print_mail.inc';
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}
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else {
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$use_job_queue = FALSE;
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}
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$addresses = explode(', ', $form_state['values']['txt_to_addrs']);
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foreach ($addresses as $to) {
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// Call to hook_print_mail_before_send in order to know if the mail can be sent
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// Handlers must return TRUE or FALSE
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$can_send = module_invoke_all('print_mail_before_send', $node, $to, $from, $params);
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if (!in_array(FALSE, $can_send)) {
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if ($use_job_queue) {
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// Use job queue to send mails during cron runs
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job_queue_add('drupal_mail', t('print_mail: From %from', array('%from' => $from)), array('print_mail', $print_mail_send_option_default, $to, language_default(), $params, $from, TRUE), $this_file, TRUE);
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}
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else {
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// Send mail immediately using Drupal's mail handler
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$ret = drupal_mail('print_mail', $print_mail_send_option_default, $to, language_default(), $params, $from, TRUE);
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}
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if ($ret['result'] || $use_job_queue) {
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// Call to hook_print_mail_after_send in order to provide information to other modules.
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module_invoke_all('print_mail_after_send', $node, $to, $from, $params);
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flood_register_event('print_mail');
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$ok = TRUE;
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}
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}
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}
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if ($ok) {
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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'], '%to' => $form_state['values']['txt_to_addrs']));
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$site_name = variable_get('site_name', t('us'));
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$print_mail_text_confirmation = variable_get('print_mail_text_confirmation', t('Thank you for spreading the word about !site.'));
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drupal_set_message(check_plain(t($print_mail_text_confirmation, array('!site' => $site_name))));
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$nodepath = drupal_get_normal_path($form_state['values']['path']);
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db_query("UPDATE {print_mail_page_counter} SET sentcount = sentcount + %d, sent_timestamp = %d WHERE path = '%s'", count($addresses), time(), $nodepath);
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}
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}
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}
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$form_state['redirect'] = preg_replace('!^book/export/html/!', 'node/', $form_state['values']['path']);
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}
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/**
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* Implementation of hook_mail().
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*/
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function print_mail_mail($key, &$message, $params) {
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$message['subject'] = $params['subject'];
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if (isset($params['from'])) {
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$message['headers']['Reply-To'] = $params['from'];
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}
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switch ($key) {
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case 'sendpage':
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$message['body'] = module_exists('mailsystem') ? check_plain($params['body']) : $params['body'];
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$message['headers']['Content-Type'] = 'text/html; charset=utf-8';
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break;
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case 'sendlink':
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// Generate plain-text and html versions of message with link
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$sendlink_plain = $params['message'] .'\n\n'. $params['link'];
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$sendlink_html = $params['message'] .'<br/><br/>'. l($params['title'], $params['link']);
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// Send HTML-only version if MIME library not present
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if (!class_exists('Mail_mime')) {
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$message['body'] = module_exists('mailsystem') ? check_plain($sendlink_html) : $sendlink_html;
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$message['headers']['Content-Type'] = 'text/html; charset=utf-8';
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break;
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}
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// no break on purpose
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case 'plain-attachment':
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case 'inline-attachment':
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// Configure new MIME object
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$mime = new Mail_mime("\n");
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$mime_params['html_encoding'] = '7bit';
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$mime_params['html_charset'] = 'utf-8';
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$mime_params['text_charset'] = 'utf-8';
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// Pass message contents into MIME object
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switch ($key) {
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case 'sendlink':
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$mime->setTXTBody($sendlink_plain);
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$mime->setHTMLBody($sendlink_html);
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break;
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case 'inline-attachment':
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$mime->setHTMLBody($params['body']);
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// no break on purpose
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case 'plain-attachment':
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$mime->setTXTBody($params['message']);
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$mime->addAttachment($params['body'], 'text/html', 'Attachment.html', FALSE);
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break;
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}
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// Store MIME message output in message array
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$message['body'] = $mime->get($mime_params);
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$message['headers'] = $mime->headers($message['headers']);
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// Strip special characters from Content-Type header
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// Required to prevent mime_header_encode() from disrupting Content-Type header
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$message['headers']['Content-Type'] = preg_replace('/[^\x20-\x7E]/', '', $message['headers']['Content-Type']);
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break;
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}
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}
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/**
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* Process the send by-email form cancel submission.
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*
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* @ingroup forms
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*/
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function print_mail_form_cancel($form, &$form_state) {
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$form_state['redirect'] = preg_replace('!^book/export/html/!', 'node/', $form_state['values']['path']);
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}
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