[Google Forms] Support forms with reCAPTCHA

1 files changed, 13 insertions, 2 deletions

diff --git a/src/docs-google-com-fix-forms/google_forms.js b/src/docs-google-com-fix-forms/google_forms.js
index 4652426..73d6840 100644
--- a/src/docs-google-com-fix-forms/google_forms.js
+++ b/src/docs-google-com-fix-forms/google_forms.js
@@ -82,7 +82,19 @@ document.querySelectorAll('[jsname=LwH6nd]').forEach(n => n.remove());
 
 /* Enable the form sumbission button (if any). */
 for (const submit_but of document.querySelectorAll('[jsname=M2UYVd]'))
-    submit_but.addEventListener("click", () => form.submit());
+    submit_but.addEventListener("click", () => {
+	/*
+	 * hacktcha_completed() will be defined by google-forms-hacktcha.js but only
+	 * if we have the actual captcha support enabled. It will return true if
+	 * we're already authenticated.
+	 */
+	if (typeof window.hacktcha_completed === "function") {
+	    if (!window.hacktcha_completed())
+		return;
+	}
+
+	form.submit()
+    });
 
 /* Enable the "next page" button (if any). */
 function goToNext()
@@ -109,6 +121,5 @@ for (const warning of
    * support dropdown inputs
    * support "other" radio buttons and "other" checkbox buttons, in which the
      user types text in addition to selecting the "other" box
- * support reCAPTCHA integration
  * support displaying public analytics ("viewanalytics" instead of "viewform")
 */