Initial commit

app/core/config.py

@@ -0,0 +1,18 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    PAYME_MERCHANT_ID: str
+    PAYME_SECRET_KEY: str
+
+    SHOPIFY_ACCESS_TOKEN: str
+    SHOPIFY_STORE_URL: str
+    SHOPIFY_WEBHOOK_SECRET: str
+
+    DATABASE_URL: str
+
+    class Config:
+        env_file = ".env"
+
+
+settings = Settings()

app/core/constants.py

@@ -0,0 +1,10 @@
+# Payme states
+STATE_NEW = 0
+STATE_CREATED = 1
+STATE_COMPLETED = 2
+STATE_CANCELLED = -1
+
+# Payme error codes
+ERROR_INVALID_AMOUNT = -31001
+ERROR_TRANSACTION_NOT_FOUND = -31003
+ERROR_CANNOT_PERFORM = -31008

app/core/security.py

@@ -0,0 +1,18 @@
+import base64
+from fastapi import Request, HTTPException
+from app.core.config import settings
+
+
+def verify_payme_auth(request: Request):
+    auth_header = request.headers.get("Authorization")
+
+    if not auth_header:
+        raise HTTPException(status_code=401, detail="Missing auth")
+
+    encoded = auth_header.split(" ")[1]
+    decoded = base64.b64decode(encoded).decode()
+
+    merchant_id, secret = decoded.split(":")
+
+    if merchant_id != settings.PAYME_MERCHANT_ID or secret != settings.PAYME_SECRET_KEY:
+        raise HTTPException(status_code=403, detail="Invalid Payme credentials")