feat: move project to crates

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/como_api/src/zitadel/client.rs

@@ -0,0 +1,67 @@
+use async_trait::async_trait;
+use oauth2::{basic::BasicClient, AuthUrl, ClientId, ClientSecret, RedirectUrl, TokenUrl};
+use std::{env, ops::Deref, sync::Arc};
+
+#[async_trait]
+pub trait OAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()>;
+}
+
+pub struct OAuth(Arc<dyn OAuthClient + Send + Sync + 'static>);
+
+impl OAuth {
+    pub fn new_zitadel() -> Self {
+        Self(Arc::new(ZitadelOAuthClient {
+            client: oauth_client(),
+        }))
+    }
+    pub fn new_noop() -> Self {
+        Self(Arc::new(NoopOAuthClient {}))
+    }
+}
+
+impl Deref for OAuth {
+    type Target = Arc<dyn OAuthClient + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct NoopOAuthClient;
+
+#[async_trait]
+impl OAuthClient for NoopOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+pub struct ZitadelOAuthClient {
+    client: BasicClient,
+}
+
+#[async_trait]
+impl OAuthClient for ZitadelOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+fn oauth_client() -> BasicClient {
+    let client_id = env::var("CLIENT_ID").expect("Missing CLIENT_ID!");
+    let client_secret = env::var("CLIENT_SECRET").expect("Missing CLIENT_SECRET!");
+    let redirect_url = env::var("REDIRECT_URL").expect("missing REDIRECT_URL");
+
+    let auth_url = env::var("AUTH_URL").expect("missing AUTH_URL");
+
+    let token_url = env::var("TOKEN_URL").expect("missing TOKEN_URL");
+
+    BasicClient::new(
+        ClientId::new(client_id),
+        Some(ClientSecret::new(client_secret)),
+        AuthUrl::new(auth_url).unwrap(),
+        Some(TokenUrl::new(token_url).unwrap()),
+    )
+    .set_redirect_uri(RedirectUrl::new(redirect_url).unwrap())
+}