Fix the js donation validation #770

cgi-bin/promotion.php

@@ -228,7 +228,10 @@ if ($_POST['subcd'] == "y") {
 
 $test = send_mail ("contact@fsfe.org", $_POST['firstname'] . " " . $_POST['lastname'] . " <" . $_POST['mail'] . ">", $subject, $msg, NULL, file_get_contents($outfile), "application/vnd.oasis.opendocument.text", "letter.odt");
 
-if (isset($_POST['donate']) && ($_POST['donate'] > 0)) {
+/**
+ * Only process donations starting from 10 euro.
+ */
+if (isset($_POST['donate']) && ((int) $_POST['donate']) > 10) {
   relay_donation($_POST['donationID']);
 } else {
   header("Location: http://fsfe.org/contribute/spreadtheword-orderthanks.$lang.html");

scripts/spreadtheword.js

@@ -20,18 +20,15 @@
     }
 
     form.addEventListener('submit', function (event) {
-        var value = donationAmountInput.value;
+        var value = donationAmountInput.value.trim();
 
-        if (value) {
+        if (value !== '') {
             var parsedValue = parseInt(value, 10);
 
-            if (parsedValue < 10) {
+            if (parsedValue > 0 && parsedValue < 10) {
                 setDonateError();
                 event.preventDefault();
             }
-        } else {
-            setDonateError();
-            event.preventDefault();
         }
     });
 })();