function captcha_process()
{
global $messages;
if (captcha_go()) {
$post_code = trim(optional_param('security_code'));
if (empty($post_code)) {
$messages[] = gettext('Please enter the verification code.');
return true;
} else {
if (!is_human($post_code)) {
$messages[] = gettext('Verification code incorrect. Please try again.');
return true;
}
}
}
//$messages[] = gettext('Verification code passed.');
return false;
}
function spamfilter($comment = null)
{
global $vars, $defaultpage;
// Through if GET (Check only POST)
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
return;
}
// Through if POST is from akismet plugin (submitHam)
if (isset($vars['cmd']) && $vars['cmd'] == 'akismet') {
return;
}
// Through if in IGNORE list
$cmd = isset($vars['cmd']) ? $vars['cmd'] : (isset($vars['plugin']) ? $vars['plugin'] : 'read');
if (defined('PLUGIN_AKISMET_IGNORE_PLUGINS')) {
if (in_array($cmd, explode(',', PLUGIN_AKISMET_IGNORE_PLUGINS))) {
return;
}
}
// Through if already known he is a human
$use_authlevel = PLUGIN_AKISMET_THROUGH_IF_ENROLLEE ? ROLE_AUTH : (PLUGIN_AKISMET_THROUGH_IF_ADMIN ? ROLE_ADM_CONTENTS : 0);
if (is_human(NULL, PLUGIN_AKISMET_USE_SESSION, $use_authlevel)) {
return;
}
// Initialize $comment
if (!isset($comment)) {
// special case (now only supports edit plugin)
if ($vars['cmd'] === 'edit' || $vars['plugin'] === 'edit') {
$body = $vars['msg'];
} else {
$body = implode("\n", $vars);
}
$comment = array('author' => '', 'email' => '', 'website' => '', 'body' => $body, 'permalink' => '', 'user_ip' => $_SERVER['REMOTE_ADDR'], 'user_agent' => $_SERVER['HTTP_USER_AGENT']);
}
$is_spam = TRUE;
if (PLUGIN_AKISMET_USE_AKISMET) {
// Through if no body (Akismet recognizes as a spam if no body)
if ($comment['body'] == '') {
return;
}
// instantiate an instance of the class
$akismet = new Akismet(get_script_uri(), PLUGIN_AKISMET_API_KEY, $comment);
// test for errors
if ($akismet->errorsExist()) {
// returns TRUE if any errors exist
if ($akismet->isError('AKISMET_INVALID_KEY')) {
die_message('akismet : APIキーが不正です.');
} elseif ($akismet->isError('AKISMET_RESPONSE_FAILED')) {
//die_message('akismet : レスポンスの取得に失敗しました');
} elseif ($akismet->isError('AKISMET_SERVER_NOT_FOUND')) {
//die_message('akismet : サーバへの接続に失敗しました.');
}
$is_spam = FALSE;
// through if akismet.com is not available.
} else {
$is_spam = $akismet->isSpam();
}
if ($is_spam) {
$detail = PLUGIN_AKISMET_SPAMLOG_DETAIL ? $comment : array();
PluginAkismet::spamlog_write($vars, $detail, PLUGIN_AKISMET_SPAMLOG_FILENAME);
}
}
if ($is_spam) {
if (PLUGIN_AKISMET_RECAPTCHA_LOG) {
PluginAkismet::spamlog_write($vars, array('body' => 'hit'), LOG_DIR . 'captchalog.txt');
}
$form = PluginAkismet::get_captcha_form($vars, $comment);
// die_message('</strong>' . $form . '<strong>');
$title = $page = 'キャプチャ認証';
pkwk_common_headers();
catbody($title, $page, $form);
exit;
}
}
