diff --git a/crates/ezidam/src/routes/oauth.rs b/crates/ezidam/src/routes/oauth.rs
index 7283836..ee35d6d 100644
--- a/crates/ezidam/src/routes/oauth.rs
+++ b/crates/ezidam/src/routes/oauth.rs
@@ -1,4 +1,5 @@
 use super::prelude::*;
+use apps::App;
 use rocket::{get, post};
 use settings::Settings;
 use users::User;
@@ -14,6 +15,7 @@ pub mod content {
     #[serde(crate = "rocket::serde")]
     #[derive(Clone)]
     pub struct Authorize {
+        pub app_name: String,
         pub business_name: String,
     }
 }
@@ -27,13 +29,25 @@ async fn authorize_page(
     auth_request: AuthenticationRequest<'_>,
 ) -> Result<Template> {
     // TODO: parse "scope" and "response_type" -> from openid local crate
-    // TODO: check if app is valid
-    // TODO: check if redirect uri is a valid uri
-    // TODO: wrap checking in function
+    let mut transaction = db.begin().await?;
+    // TODO: wrap checking in function?
+
+    let app = App::get_one(
+        &mut transaction,
+        auth_request.client_id,
+        auth_request.redirect_uri,
+    )
+    .await?
+    .ok_or_else(|| Error::not_found(auth_request.client_id))?;
+
+    let settings = Settings::get(&mut transaction).await?;
+
+    transaction.commit().await?;
 
     // Define content
     let content = content::Authorize {
-        business_name: Settings::get(&mut *db).await?.business_name().into(),
+        app_name: app.label().into(),
+        business_name: settings.business_name().into(),
     };
 
     Ok(flash
@@ -42,17 +56,26 @@ async fn authorize_page(
 }
 
 #[get("/oauth/authorize", rank = 3)]
-async fn authorize_ezidam(mut db: Connection<Database>) -> Redirect {
-    // TODO: get ezidam app info from db
+async fn authorize_ezidam(mut db: Connection<Database>) -> Result<Redirect> {
+    let mut transaction = db.begin().await?;
+
+    // Get ezidam app info
+    let app_id = "ezidam";
+    let app = App::get_one_by_id(&mut transaction, app_id)
+        .await?
+        .ok_or_else(|| Error::not_found(app_id))?;
+
+    transaction.commit().await?;
+
     let request = AuthenticationRequest {
         response_type: openid::CoreResponseType::Code.as_ref(),
         response_mode: ResponseMode::Query,
         scope: &openid::SupportedScopes::url_format(),
-        client_id: "ezidam TODO HERE",
-        redirect_uri: "put URI HERE",
+        client_id: app.id().as_ref(),
+        redirect_uri: app.redirect_uri(),
         state: "TODO",
     };
-    Redirect::to(uri!(authorize_page(auth_request = request)))
+    Ok(Redirect::to(uri!(authorize_page(auth_request = request))))
 }
 
 #[derive(Debug, FromForm)]
@@ -69,6 +92,10 @@ fn flash(message: String, request: AuthenticationRequest) -> Flash<Redirect> {
     )
 }
 
+fn invalid_form(request: AuthenticationRequest) -> Flash<Redirect> {
+    flash("Please fill out the form".to_string(), request)
+}
+
 fn invalid_credentials(login: &str, request: AuthenticationRequest) -> Flash<Redirect> {
     flash(format!("Invalid credentials for {login}"), request)
 }
@@ -83,8 +110,12 @@ async fn authorize(
     mut db: Connection<Database>,
     auth_request: AuthenticationRequest<'_>,
 ) -> Result<Either<Redirect, Flash<Redirect>>> {
-    // TODO: check app and stuff AGAIN, this is important
+    // TODO: check app and stuff before doing anything AGAIN, this is important
+    // TODO: check if request uri matches
 
+    if form.login.is_empty() {
+        return Ok(Either::Right(invalid_form(auth_request)));
+    }
     let form = form.into_inner();
 
     let mut transaction = db.begin().await?;
diff --git a/crates/ezidam/templates/pages/oauth/authorize.html.tera b/crates/ezidam/templates/pages/oauth/authorize.html.tera
index 58ead7a..a471bff 100644
--- a/crates/ezidam/templates/pages/oauth/authorize.html.tera
+++ b/crates/ezidam/templates/pages/oauth/authorize.html.tera
@@ -20,10 +20,10 @@
             <div class="card card-md">
                 <div class="card-body">
                     <div class="text-center mb-2">
-                        <h2 class="h2">Sign in</h2>
+                        <h2 class="h2">Access {{ app_name }}</h2>
                         <p class="text-muted">With your {{ business_name }} account</p>
                     </div>
-                    <form action="" method="post" autocomplete="off" novalidate>
+                    <form action="" method="post" autocomplete="off" novalidate class="mt-4">
                         <div class="mb-3">
                             <label class="form-label">Login</label>
                             <input name="login" type="text" class="form-control" placeholder="Email or username"