/**
* Debug action to examine server variables
*
*/
function wpgform_debug()
{
global $wp_filter;
wpgform_error_log($_POST);
if (!is_admin()) {
wpgform_whereami(__FILE__, __LINE__, '$_SERVER');
wpgform_preprint_r($_SERVER);
wpgform_whereami(__FILE__, __LINE__, '$_ENV');
wpgform_preprint_r($_ENV);
wpgform_whereami(__FILE__, __LINE__, '$_POST');
wpgform_preprint_r($_POST);
wpgform_whereami(__FILE__, __LINE__, '$_GET');
wpgform_preprint_r($_GET);
wpgform_whereami(__FILE__, __LINE__, 'locale');
wpgform_preprint_r(get_locale());
wpgform_preprint_r(setlocale(LC_ALL, NULL));
if (array_key_exists('init', $wp_filter)) {
wpgform_whereami(__FILE__, __LINE__, '$wp_filter[\'init\']');
wpgform_preprint_r($wp_filter['init']);
}
if (array_key_exists('template_redirect', $wp_filter)) {
wpgform_whereami(__FILE__, __LINE__, '$wp_filter[\'template_redirect\']');
wpgform_preprint_r($wp_filter['template_redirect']);
}
}
}
/**
* Function ConstructGoogleForm loads HTML from a Google Form URL,
* processes it, and inserts it into a WordPress filter to output
* as part of a post, page, or widget.
*
* @param $options array Values passed from the shortcode.
* @return An HTML string if successful, false otherwise.
* @see RenderGoogleForm
*/
static function ProcessGoogleForm()
{
$tabFound = false;
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
if (WPGFORM_DEBUG) {
wpgform_preprint_r($_POST);
}
if (!empty($_POST) && array_key_exists('wpgform-action', $_POST)) {
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
self::$posted = true;
$wpgform_options = wpgform_get_plugin_options();
if (WPGFORM_DEBUG && $wpgform_options['http_request_timeout']) {
$timeout = $wpgform_options['http_request_timeout_value'];
} else {
$timeout = $wpgform_options['http_api_timeout'];
}
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
if (WPGFORM_DEBUG) {
wpgform_preprint_r($_POST);
}
// Need the form ID to handle multiple forms per page
if (array_key_exists('wpgform-user-email', $_POST)) {
self::$wpgform_user_sendto = $_POST['wpgform-user-email'];
unset($_POST['wpgform-user-email']);
}
// Need the form ID to handle multiple forms per page
self::$wpgform_submitted_form_id = $_POST['wpgform-form-id'];
unset($_POST['wpgform-form-id']);
// Need the action which was saved during form construction
$action = unserialize(base64_decode($_POST['wpgform-action']));
unset($_POST['wpgform-action']);
$options = $_POST['wpgform-options'];
unset($_POST['wpgform-options']);
$options = unserialize(base64_decode($options));
if (WPGFORM_DEBUG) {
wpgform_preprint_r($options);
}
$form = $options['form'];
$uid = $options['uid'];
//$body = '' ;
$body = array();
// The name of the form fields are munged, they need
// to be restored before the parameters can be posted
$patterns = array('entry_([0-9]+)_(single|group)_', 'entry_([0-9]+)_', 'entry_([0-9]+)');
$replacements = array('entry.\\1.\\2.', 'entry.\\1.', 'entry.\\1');
foreach ($patterns as $key => $value) {
$patterns[$key] = sprintf('/^%s%s/', $uid, $value);
}
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
if (WPGFORM_DEBUG) {
wpgform_preprint_r($_POST);
}
foreach ($_POST as $key => $value) {
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
if (WPGFORM_DEBUG) {
wpgform_preprint_r($key, $value);
}
// Need to handle parameters passed as array values
// separately because of how Python (used Google)
// handles array arguments differently than PHP does.
if (is_array($_POST[$key])) {
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
$pa =& $_POST[$key];
foreach ($pa as $pv) {
//$body .= preg_replace($patterns, $replacements, $key) . '=' . rawurlencode($pv) . '&' ;
$formkey = preg_replace($patterns, $replacements, $key);
$body[$formkey][] = $pv;
}
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
} else {
if ($key === 'draftResponse') {
// draftResponse is a special parameter for multi-page forms and needs
// some special processing. We need to remove the escapes on double quotes,
// handled embedded tabs, and encoded ampersands.
$patterns = array('/\\\\"/', '/\\\\t/', '/\\\\u0026/', '/\\\\n/');
$replacements = array('"', 't', '&', '\\n');
$value = preg_replace($patterns, $replacements, $value);
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
//$body .= preg_replace($patterns, $replacements, $key) . '=' . rawurlencode($value) . '&' ;
$formkey = preg_replace($patterns, $replacements, $key);
$body[$formkey] = $value;
} else {
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
}
//$body .= preg_replace($patterns, $replacements, $key) . '=' . rawurlencode($value) . '&' ;
$formkey = preg_replace($patterns, $replacements, $key);
$body[$formkey] = $value;
}
}
}
$form = str_replace($action, 'action=""', $form);
// WordPress converts all of the ampersand characters to their
// appropriate HTML entity or some variety of it. Need to undo
// that so the URL can be actually be used.
//$body = stripslashes_deep(urldecode($body)) ;
//$body = stripslashes_deep($body) ;
// Clean up any single quotes and newlines which are escaped
$patterns = array('/%5C%27/', '/%5Cn/');
$replacements = array('%27', 'n');
foreach ($body as $key => $value) {
$body[$key] = preg_replace($patterns, $replacements, stripslashes_deep($value));
}
$action = str_replace(array('&', '&', '&'), '&', $action);
if (WPGFORM_DEBUG) {
wpgform_preprint_r($action);
wpgform_preprint_r($body);
}
// Special processing for checkboxes!
$q = http_build_query($body);
$q = preg_replace('/%5B[0-9]+%5D/', '', $q);
self::$response = wp_remote_post($action, array('sslverify' => false, 'body' => $q, 'timeout' => $timeout, 'user-agent' => $_SERVER['HTTP_USER_AGENT']));
if (WPGFORM_DEBUG) {
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
wpgform_preprint_r(array('action' => $action, 'sslverify' => false, 'body' => $q, 'timeout' => $timeout, 'user-agent' => $_SERVER['HTTP_USER_AGENT']));
}
// Double check response from wp_remote_post()
if (is_wp_error(self::$response)) {
self::$post_error = true;
$error_string = self::$response->get_error_message();
echo '<div id="message" class="wpgform-google-error"><p>' . $error_string . '</p></div>';
if (WPGFORM_DEBUG) {
//printf('<h2>%s::%s</h2>', basename(__FILE__), __LINE__) ;
//print '<pre>' ;
//print_r(self::$response) ;
//print '</pre>' ;
wpgform_whereami(__FILE__, __LINE__, 'ProcessGoogleForm');
wpgform_preprint_r(self::$response);
}
return sprintf('<div class="wpgform-google-error gform-google-error">%s</div>', __('Unable to submit Google Form. Please try reloading this page.', WPGFORM_I18N_DOMAIN));
}
}
}
