diff --git a/includes/common.php b/includes/common.php
index c51acef..b19826c 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -45,5 +45,39 @@
$iso639[$data[0]] = $data[1];
}
fclose($handle);
-
+
+ function render_captcha($site_key) {
+ return '' .
+ '';
+ }
+
+ function confirm_captcha_response($secret_key, $response) {
+ // do not check invalid responses
+ if ($response == null || strlen($response) == 0) {
+ return false;
+ }
+
+ $response = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret=' . $secret_key .
+ '&remoteip=' . $_SERVER["REMOTE_ADDR"] .
+ '&response=' . $response);
+
+ $answer = json_decode($response);
+ return $answer->success == 'true';
+ }
?>
diff --git a/includes/header.php b/includes/header.php
index 3e2069f..2c21cb9 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -16,6 +16,7 @@
+ "; } ?>
diff --git a/includes/settings.example.php b/includes/settings.example.php
index 135be46..77b8946 100644
--- a/includes/settings.example.php
+++ b/includes/settings.example.php
@@ -14,5 +14,10 @@
$frommail = '';
$askforemail = TRUE;
$requireemail = FALSE;
-
+
+ // reCAPTCHA settings
+ $requirecaptcha = FALSE;
+ $recaptcha_site_key = '';
+ $recaptcha_secret_key = '';
+
?>
diff --git a/translation.php b/translation.php
index 03e61dd..b774624 100644
--- a/translation.php
+++ b/translation.php
@@ -61,7 +61,12 @@
die('Please enter a name and valid email address. You can use the back button of the browser to recover your translations.');
}
}
-
+
+ // Check captcha
+ if ($requirecaptcha && !confirm_captcha_response($recaptcha_secret_key, $_POST["g-recaptcha-response"])) {
+ die('Error validating the security response. You can use the back button of the browser to recover your translations.');
+ }
+
// Traverse through the lines of the original strings file
$lines = file($basedir . '/values/strings.xml');
$outfile = "";
@@ -221,6 +226,13 @@ function requireNameAndEmail() {
alert(\'Please enter a name and valid e-mail address.\');
return false;
}
+ function requireCaptcha() {
+ if (!grecaptcha.getResponse()) {
+ alert("Please confirm the captcha first.");
+ return false;
+ }
+ return true;
+ }
Translating to ' . $langname . ' (' . $lang . ')
';
@@ -317,10 +329,18 @@ function dp($in) {
No translation for this language currently exists. When saving for the first time, it will create a directory and the first strings.{timestamp}.xml for this new language.
';
}
- // Require the input of a name and email address?
- $requireemailhtml = $requireemail? 'return(requireNameAndEmail());"': '';
+ // Require the input of a name and email address and/or captcha?
+ if ($requireemail && $requireCaptcha) {
+ $requirehtml = 'return(requireNameAndEmail() && requireCaptcha());';
+ } else if ($requireemail) {
+ $requirehtml = 'return(requireNameAndEmail());';
+ } else if ($requirecaptcha) {
+ $requirehtml = 'return(requireCaptcha());';
+ } else {
+ $requirehtml = '';
+ }
echo '
-