Add new article and implement simple spam protection for contact form

jr-cologne · Nov 11, 2018 · a62f3f6 · a62f3f6
1 parent c5191e7
commit a62f3f6
Show file tree

Hide file tree

Showing 4 changed files with 653 additions and 11 deletions.
diff --git a/_app/php/functions.php b/_app/php/functions.php
@@ -9,12 +9,16 @@ function processContactForm(array $form_data) {
       $form_data[$key] = clean($value);
     }
 
-    ['name' => $name, 'email' => $email, 'subject' => $subject, 'message' => $message] = $form_data;
+    ['name' => $name, 'email' => $email, 'subject' => $subject, 'message' => $message, 'spam_check' => $spam_check] = $form_data;
 
-    if ( empty($name) && empty($email) && empty($subject) && empty($message) ) {
+    if ( empty($name) && empty($email) && empty($subject) && empty($message) && empty($spam_check) ) {
       return ERR_HTML_START . 'Du hast nicht alle Felder ausgefüllt. Bitte versuche es nochmal!' . ERR_HTML_END;
     }
 
+    if ($spam_check != '8') {
+      return ERR_HTML_START . 'Du hast die untenstehende Frage zur Spam-Bekämpfung leider falsch beantwortet. Bitte versuche es nochmal!' . ERR_HTML_END;
+    }
+
     if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
       return ERR_HTML_START . 'Du hast keine gültige E-Mail-Adresse angegeben. Bitte versuche es nochmal!' . ERR_HTML_END;
     }
@@ -27,6 +31,7 @@ function processContactForm(array $form_data) {
     }
 
     header('Location: danke.html');
+    exit();
   }
 
   function clean(string $value) {
@@ -40,4 +45,4 @@ function sendMail(string $name, string $email, string $subject, string $message)
 
     return $mail->sent;
   }
-?>
+?>