6e082ce58f
- SEC-05: Fail fast if SECRET_KEY is default 'change-me-in-production' - SEC-06: CORS allow_credentials=False (Bearer tokens don't need it) - SEC-08: Input validation on auth schemas (min/max length, username pattern) - SEC-10: .dockerignore files (root, backend, mcp-connector) - SEC-11: Hardcode ALGORITHM='HS256' as constant, remove from settings - CQ-01: Gate crawl scheduler on CRAWL_ENABLED env var (default false) - OS-02: CONTRIBUTING.md - OS-03: CHANGELOG.md with v1.0.0 entry - setup.ps1: Add API_TOKEN generation (Windows parity with setup.sh)
79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
from __future__ import annotations
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import uuid
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import bcrypt
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from datetime import datetime, timedelta, timezone
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from typing import Annotated
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.config import get_settings
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from app.database import get_db
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settings = get_settings()
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ALGORITHM = "HS256" # Hardcoded — not configurable for security
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
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def hash_password(password: str) -> str:
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return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
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def verify_password(plain: str, hashed: str) -> bool:
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return bcrypt.checkpw(plain.encode("utf-8"), hashed.encode("utf-8"))
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def create_access_token(user_id: str, expires_delta: timedelta | None = None) -> str:
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expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.access_token_expire_minutes))
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payload = {"sub": user_id, "exp": expire}
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return jwt.encode(payload, settings.secret_key, algorithm=ALGORITHM)
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async def get_current_user(
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token: Annotated[str | None, Depends(oauth2_scheme)],
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db: Annotated[AsyncSession, Depends(get_db)],
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):
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid authentication credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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if not token:
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raise credentials_exception
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from app.models.user import User
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# Check if this is an API token (MCP connector auth)
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if settings.api_token and token == settings.api_token:
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# Map to the first admin user
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result = await db.execute(
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select(User).where(User.is_admin == True).order_by(User.created_at.asc()).limit(1)
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)
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user = result.scalar_one_or_none()
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if user is None:
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# Fall back to first user if no admin exists yet
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result = await db.execute(
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select(User).order_by(User.created_at.asc()).limit(1)
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)
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user = result.scalar_one_or_none()
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if user is None:
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raise credentials_exception
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return user
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# Standard JWT validation
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try:
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payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
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user_id: str = payload.get("sub")
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if user_id is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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result = await db.execute(select(User).where(User.id == uuid.UUID(user_id)))
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user = result.scalar_one_or_none()
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if user is None:
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raise credentials_exception
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return user
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