actually do some OAuth

webserver/login_page.go

@@ -25,8 +25,8 @@ type PasswordAuthData struct {
 }
 
 type OAuthAuthData struct {
-	Username string
-	Password string
+	ResponseWriter *http.ResponseWriter
+	Request        *http.Request
 }
 
 type CustomizableLoginData struct {
@@ -62,7 +62,10 @@ func loginHandler(w http.ResponseWriter, r *http.Request) {
 				tmpl.Execute(w, LoginPageData{IsHiddenClassList: "", LoginData: LoginPageDataCustomizations})
 			}
 		} else {
-			auth_success := LoginPageDataCustomizations.AuthRequestFunction(AuthStyleOAuth, OAuthAuthData{})
+			auth_success := LoginPageDataCustomizations.AuthRequestFunction(AuthStyleOAuth, OAuthAuthData{
+				ResponseWriter: &w,
+				Request:        r,
+			})
 			if auth_success == false {
 				tmpl.Execute(w, LoginPageData{IsHiddenClassList: "", LoginData: LoginPageDataCustomizations})
 			}

webserver/pages/login_page.html

@@ -23,13 +23,13 @@
 
     <div>
         <label class="input_label">Username</label><br />
-        <input type="text" name="username" placeholder="" required />
+        <input type="text" name="username" placeholder="" />
     </div>
 
     <div>
         <label class="input_label">Password</label><br />
         <div class="password_box">
-            <input type="password" name="password" placeholder="" required />
+            <input type="password" name="password" placeholder="" />
             <button type="button" class="show_password_toggle closed"></button>
         </div>
     </div>