handle iss

hellocoop · Jun 17, 2024 · 2f3238a · 2f3238a
1 parent a70a234
commit 2f3238a
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/src/App.svelte b/src/App.svelte
@@ -283,7 +283,9 @@
   }
 
   async function processFragmentOrQuery() {
-    if (!window.location.hash && !window.location.search) return;
+    if (!window.location.hash && !window.location.search)
+      return;
+    
     let queryParams;
     if (window.location.hash) {
       queryParams = new URLSearchParams(window.location.hash.substring(1));
@@ -296,10 +298,25 @@
     const id_token = queryParams.get("id_token");
     const code = queryParams.get("code");
     const initiate_login = queryParams.get("initiate-login");
+    const iss = queryParams.get("iss");
     const error = queryParams.get("error")
     if(error) {
       errorNotification = error?.replaceAll("_", " ")
     }
+    if(iss) {
+      try {
+        const res = await fetch(iss + "/.well-known/openid-configuration");
+        const { authorization_endpoint } = await res.json();
+        const requestUrl = new URL(authorization_endpoint)
+        if(queryParams.has('login_hint')) {
+          requestUrl.searchParams.set('login_hint', queryParams.get('login_hint'))
+        }
+        window.location.href = requestURL;
+      } catch(err) {
+        console.error(err)
+        errorNotification = 'Invalid Issuer URL'
+      }
+    }
     if (initiate_login) {
       await tick(); //wait for requestURL to compute
       const url = new URL(initiate_login);