v0.1.0

Changes:
- added rabbitmq hearbeat, consumer and publisher
- fixed vqe to run with rabbitmq
- added frontend via fasthtml
- added proper .env configuration

Dockerfile_build/source/connections/keycloak.py

@@ -0,0 +1,86 @@
+import os
+from datetime import timedelta
+
+from connections.local_files import (
+    delete_client_info,
+    delete_token,
+    delete_verifier,
+    load_token,
+    save_token,
+)
+from fastcore.xtras import datetime
+
+from keycloak import KeycloakOpenID
+
+KEYCLOAK_CONFIG = {
+    "server_url": os.environ["KEYCLOAK_URL"],
+    "realm_name": os.environ["KEYCLOAK_REALM_NAME"],
+    "client_id": os.environ["KEACLOAK_CLIENT_ID"],
+}
+
+# Инициализация клиента Keycloak
+keycloak_openid = KeycloakOpenID(
+    server_url=KEYCLOAK_CONFIG["server_url"],
+    realm_name=KEYCLOAK_CONFIG["realm_name"],
+    client_id=KEYCLOAK_CONFIG["client_id"],
+)
+
+
+def refresh_access_token() -> dict | None:
+    """Refresh the access token using refresh token"""
+    token_data = load_token()
+    if not token_data or not token_data.get("refresh_token"):
+        return None
+
+    try:
+        # Use Keycloak's refresh token endpoint
+        refresh_token = token_data["refresh_token"]
+
+        # Get new token pair using refresh token
+        new_tokens = keycloak_openid.refresh_token(refresh_token)
+
+        # Calculate new expiration time
+        expires_in = new_tokens.get("expires_in", 3600)
+        expires_at = datetime.now() + timedelta(seconds=expires_in)
+
+        # Update token data
+        updated_token_data = {
+            "access_token": new_tokens["access_token"],
+            "refresh_token": new_tokens.get(
+                "refresh_token", refresh_token
+            ),  # Some providers return new refresh token
+            "expires_at": expires_at.isoformat(),
+            "id_token": new_tokens.get("id_token", token_data.get("id_token")),
+            "user_info": token_data.get("user_info"),  # Preserve user info
+        }
+
+        # Save updated tokens
+        save_token(updated_token_data)
+
+        return updated_token_data
+
+    except Exception as e:
+        # If refresh fails, clear all tokens and force re-login
+        delete_token()
+        delete_client_info()
+        delete_verifier()
+        return None
+
+
+def get_valid_access_token() -> str | None:
+    """Get a valid access token, refreshing if necessary"""
+    token_data = load_token()
+
+    if not token_data or not token_data.get("expires_at"):
+        return None
+
+    # Check if token is expired or about to expire (within 60 seconds)
+    expires_at = datetime.fromisoformat(str(token_data.get("expires_at")))
+    if expires_at <= datetime.now() + timedelta(seconds=60):
+        # Token is expired or about to expire, try to refresh
+        new_token_data = refresh_access_token()
+        if new_token_data:
+            return new_token_data["access_token"]
+        return None
+
+    return token_data["access_token"]