implemented otp login

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/user/ResetPw.svelte

@@ -1,25 +1,46 @@
 <script>
+    import { onMount } from 'svelte';
     import { t } from '../../translations.svelte.js';
     import { useTinyRouter } from 'svelte-tiny-router';
 
     let mail = "";
     let caption = t('user.send_mail');
+    let error = null;
     const router = useTinyRouter();
 
     async function submit(ev){
         ev.preventDefault();
         const url = `${location.protocol}//${location.host.replace('5173','8080')}/api/user/reset_pw`;
-        caption = t('user.data_sent');
         const resp = await fetch(url,{
             method : 'POST',
             body : mail
         });
         if (resp.ok) {
+            caption = t('user.data_sent');
         } else {
+            caption = await resp.text();
         }
-
     }
 
+    async function checkToken(){
+        const urlParams = new URLSearchParams(window.location.search);
+        const token = urlParams.get('token');
+        console.log({token:token,params:urlParams});
+        if (token) {
+            const url = `${location.protocol}//${location.host.replace('5173','8080')}/api/user/validate/${token}`;
+            const resp = await fetch(url,{
+                credentials: 'include'
+            });
+            if (resp.ok){
+                router.navigate('/user')
+            } else {
+                error = await resp.text();
+            }
+        }
+    }
+
+    onMount(checkToken);
+
 
 </script>
 
@@ -44,5 +65,8 @@
         {t('user.enter_email')}
     </label>
     <button type="submit">{caption}</button>
+    {#if error}
+    <div class="error">{error}</div>
+    {/if}
 </fieldset>
 </form>