From a0e04e28bbab7ecc6a0c3b1bee72da303b82aebd Mon Sep 17 00:00:00 2001
From: Botond Hende <nettingman@gmail.com>
Date: Sun, 25 Aug 2024 21:18:08 +0200
Subject: split code into separate files

---
 apirouters/agents.py | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 apirouters/agents.py

(limited to 'apirouters/agents.py')

diff --git a/apirouters/agents.py b/apirouters/agents.py
new file mode 100644
index 0000000..3d148d2
--- /dev/null
+++ b/apirouters/agents.py
@@ -0,0 +1,53 @@
+from enum import Enum
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Response
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from passlib.context import CryptContext
+
+from modules.database import cursor, sq_con
+
+router = APIRouter()
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+
+@router.post("/token")
+async def login(form_data: OAuth2PasswordRequestForm = Depends()):
+    user = form_data.username
+    return {"access_token": user, "token_type": "bearer"}
+
+
+class AuthResult(Enum):
+    SUCCESS = 0
+    NOT_FOUND = 1
+    TOKEN_MISMATCH = 2
+
+
+async def auth_agent(callsign: str, token: str) -> AuthResult:
+    cursor.execute("SELECT token_hash from agents WHERE callsign = ?", (callsign,))
+    row = cursor.fetchone()
+    if row is None:
+        return AuthResult.NOT_FOUND
+
+    return AuthResult.SUCCESS if pwd_context.verify(token, row[0]) else AuthResult.TOKEN_MISMATCH
+
+
+@router.post("/{callsign}/init", status_code=201)
+async def init_agent(callsign: str, token: Annotated[str, Depends(oauth2_scheme)], response: Response):
+    result = await auth_agent(callsign, token)
+
+    if result == AuthResult.SUCCESS:
+        response.status_code = 200
+        return '{"result": "Agent already registered."}'
+
+    if result == AuthResult.TOKEN_MISMATCH:
+        response.status_code = 400
+        return '{"error": "Agent already registered but with a different token."}'
+
+    # TODO: test token on spacetraders api
+
+    token_hash = pwd_context.hash(token)
+    cursor.execute("INSERT INTO agents (callsign, token_hash) VALUES (?, ?)", (callsign, token_hash))
+    sq_con.commit()
+    return '{"result": "Agent successfully registered."}'
-- 
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