db->query($sql);
$result = $result->fetch_array();
$this->number_of_comments = $result[0];
+ if (isset($_GET['verify'])) {
+ $this->verify();
+ }
}
public function display() {
@@ -348,23 +361,30 @@ class note extends cms {
}
private function verify() {
- require_once('includes/recaptchalib.php');
- echo "
";
- $resp = recaptcha_check_answer ($this->recaptcha_privatekey,
- $_SERVER["REMOTE_ADDR"],
- $_POST["recaptcha_challenge_field"],
- $_POST["recaptcha_response_field"]);
- if (!$resp->is_valid) {
- echo "sorry, reCAPTCHA said you're not human.
";
- } else {
+ var_dump($_POST['captcha']);
+ var_dump(isset($_POST['captcha']));
+ var_dump(isset($_POST['captcha']) || false);
+ if (!isset($_POST['captcha'])) {
+ require_once('includes/recaptchalib.php');
+ echo "
";
+ $resp = recaptcha_check_answer ($this->recaptcha_privatekey,
+ $_SERVER["REMOTE_ADDR"],
+ $_POST["recaptcha_challenge_field"],
+ $_POST["recaptcha_response_field"]);
+ if (!$resp->is_valid) {
+ $this->failed_captcha = true;
+ }
+ }
+ if (isset($_POST['captcha']) || $resp->is_valid) {
$sql = ("INSERT INTO comments (date_posted, author,
email, text, note)
VALUES(NOW(), ?, ?, ?, ?)");
$stmt = $this->db->prepare($sql);
// Checks are needed here (no blank text,
// and a default author / email need to be set
+ // for no-javascript users.
$stmt->bind_param('ssss',
- htmlspecialchars($_POST['author']),
+ htmlspecialchars($_POST['name']),
htmlspecialchars($_POST['email']),
htmlspecialchars($_POST['text']),
$this->id);
@@ -384,6 +404,9 @@ class note extends cms {
END_OF_NAVIGATION;
+ if ($this->failed_captcha) {
+ echo "sorry, reCAPTCHA said you're not human.
";
+ }
if (!$this->comments_enabled) {
$this->display_comment_link();
}
@@ -430,47 +453,51 @@ END_OF_COMMENT;
}
private function display_comment_form() {
+ $publickey = $this->recaptcha_publickey;
echo <<
-var RecaptchaOptions = {
- theme : 'custom',
- custom_theme_widget: 'recaptcha_widget'
- };
+function showRecaptcha() {
+Recaptcha.create("$publickey",
+ "recaptcha_div",
+ {
+ theme : 'custom',
+ custom_theme_widget: 'recaptcha_widget',
+ callback: Recaptcha.focus_response_field
+ });
+}
END_CAPTCHA_STYLE;
require_once('includes/recaptchalib.php');
// Trailing slash is necessary for reloads to work
$url = $this->url . "verify";
- echo "
-FORM;
- echo recaptcha_get_html($this->recaptcha_publickey);
- if (isset($_GET['verify'])) {
- $this->verify();
- }
- echo <<
-
-
END_OF_FORM;
}
}
@@ -570,6 +597,19 @@ class notFound extends Exception {
}
}
+class captcha extends cms {
+ public function display() {
+ $challenge = $_GET['challenge'];
+ $response = $_GET['response'];
+ $remoteip = $_SERVER['REMOTE_ADDR'];
+ $curl = curl_init('http://api-verify.recaptcha.net/verify?');
+ curl_setopt ($curl, CURLOPT_POST, 4);
+ curl_setopt ($curl, CURLOPT_POSTFIELDS, "privatekey=$this->recaptcha_privatekey&remoteip=$remoteip&challenge=$challenge&response=$response");
+ $result = curl_exec ($curl);
+ curl_close ($curl);
+ }
+}
+
## now actually do something:
switch (cms::determine_type()) {
case "index":
@@ -596,6 +636,10 @@ switch (cms::determine_type()) {
$archive = new archive;
$archive->display();
break;
+ case "captcha":
+ $captcha = new captcha;
+ $captcha->display();
+ break;
}
?>