init auth-service

services/auth-service/auth_service/models/service.py

@@ -0,0 +1,55 @@
+from time import time
+from typing import Optional
+from datetime import timedelta
+
+from pydantic import BaseModel, Field, SecretStr
+
+from auth_service.models.proto import auth_pb2
+from auth_service.models.exceptions import ServiceException, ServiceErrorCode
+
+
+class AuthRecord(BaseModel):
+    user_id: str
+    password: SecretStr  # Hashed Password
+
+
+class AuthToken(BaseModel):
+    token_type: str = "Bearer"
+    access_token: str
+    expires_in: int = Field(default=int(timedelta(minutes=30).total_seconds()))
+    # refresh_token: str  # todo: implement functionality in the future
+
+    @classmethod
+    def to_protobuf(cls, auth_token: "AuthToken") -> auth_pb2.AuthToken:
+        return auth_pb2.AuthToken(**auth_token.model_dump())
+
+
+class AccessTokenClaims(BaseModel):
+    sub: str
+    iat: int = Field(default_factory=lambda: int(time()))
+    exp: int = Field(default_factory=lambda: int(time() + timedelta(minutes=30).total_seconds()))
+
+
+class AuthRepository:
+    """Abstract repository interface"""
+    async def auth_with_password(self, user_id: str, password: str) -> AuthToken:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+    
+    async def set_password_auth_method(self, user_id: str, password: str) -> None:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+
+    async def delete_password_auth_method(self, user_id: str) -> None:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+
+
+class AuthDBRepository(AuthRepository):
+    """Abstract database repository interface"""
+    async def get_auth_record(self, user_id: str) -> Optional[AuthRecord]:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+
+    async def create_password_auth_method(self, user_id: str, password: str) -> None:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+    
+    async def update_password_auth_method(self, user_id: str, password: str) -> None:
+        raise ServiceException("unimplemented internal repository method", ServiceErrorCode.SERVICE_ERROR)
+