Disable welcome page if the new features are enabled (#86)

* Disable welcome page if frontend injection is enabled
* Make button indicate redirecting

custom_components/auth_oidc/__init__.py

@@ -92,10 +92,13 @@ async def async_setup(hass: HomeAssistant, config):
     )
 
     # Register the views
+    is_frontend_injection_enabled = (
+        features_config.get("disable_frontend_changes", False) is False
+    )
     name = config[DOMAIN].get(DISPLAY_NAME, DEFAULT_TITLE)
     name = re.sub(r"[^A-Za-z0-9 _\-\(\)]", "", name)
 
-    hass.http.register_view(OIDCWelcomeView(name))
+    hass.http.register_view(OIDCWelcomeView(name, is_frontend_injection_enabled))
     hass.http.register_view(OIDCRedirectView(oidc_client))
     hass.http.register_view(OIDCCallbackView(oidc_client, provider))
     hass.http.register_view(OIDCFinishView())
@@ -104,7 +107,7 @@ async def async_setup(hass: HomeAssistant, config):
 
     # Inject OIDC code into the frontend for /auth/authorize if the user has the
     # frontend injection feature enabled
-    if features_config.get("disable_frontend_changes", False) is False:
+    if is_frontend_injection_enabled:
         await OIDCInjectedAuthPage.inject(hass, name)
     else:
         _LOGGER.info("OIDC frontend changes are disabled, skipping injection")

custom_components/auth_oidc/endpoints/welcome.py

@@ -2,7 +2,7 @@
 
 from aiohttp import web
 from homeassistant.components.http import HomeAssistantView
-from ..helpers import get_view
+from ..helpers import get_url, get_view
 
 PATH = "/auth/oidc/welcome"
 
@@ -14,10 +14,15 @@ class OIDCWelcomeView(HomeAssistantView):
     url = PATH
     name = "auth:oidc:welcome"
 
-    def __init__(self, name: str) -> None:
+    def __init__(self, name: str, is_frontend_injection_enabled: bool) -> None:
         self.name = name
+        self.is_enabled = not is_frontend_injection_enabled
 
     async def get(self, _: web.Request) -> web.Response:
         """Receive response."""
+
+        if not self.is_enabled:
+            return web.HTTPTemporaryRedirect(get_url("/"))
+
         view_html = await get_view("welcome", {"name": self.name})
         return web.Response(text=view_html, content_type="text/html")

custom_components/auth_oidc/static/injection.js

@@ -133,6 +133,8 @@ function update() {
     ssoButton.style.marginRight = "1em"
     ssoButton.addEventListener("click", () => {
       location.href = "/auth/oidc/redirect"
+      ssoButton.innerHTML = "Redirecting, please wait..."
+      ssoButton.disabled = true
     })
     loginButton.parentElement.prepend(ssoButton)
   }