Initial commit: RSS platform phase 1 skeleton with code review fixes

Features: - FastAPI + SQLAlchemy 2.0 async + PostgreSQL/pgvector + Redis backend - Vue 3 + TypeScript + Element Plus frontend - JWT auth with access/refresh tokens and revocation - Admin/member RBAC - RSS feed CRUD and article listing - Settings management with Fernet encryption for sensitive values - Redis distributed lock service - Alembic initial migration - Docker Compose development environment Fixes from code review: - Fix DB session leak in dependency injection - Restrict registration to admin only - Add default admin password warning - Implement JWT refresh tokens and jti blacklist - Strengthen password policy - Use func.count for pagination totals - Replace NullPool with AsyncAdaptedQueuePool - Remove init_db from lifespan to enforce alembic migrations - Add request_id middleware and logging filter - Fix vite.config.ts env loading - Add frontend token refresh interceptor - Add Vue error handler Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-15 17:01:57 +08:00
commit ba6e7669e8
82 changed files with 6859 additions and 0 deletions
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+"""Authentication router."""
+from datetime import datetime, timezone
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.api.deps import get_current_admin, get_current_user, get_db
+from app.core.auth import (
+    create_access_token,
+    create_refresh_token,
+    decode_token,
+    get_password_hash,
+    revoke_token,
+    verify_password,
+)
+from app.models.user import User
+from app.schemas.user import (
+    RefreshTokenRequest,
+    TokenResponse,
+    UserCreate,
+    UserLogin,
+    UserOut,
+)
+
+router = APIRouter(prefix="/auth", tags=["auth"])
+
+
+@router.post("/register", response_model=UserOut)
+async def register(
+    user_in: UserCreate,
+    db: AsyncSession = Depends(get_db),
+    _: User = Depends(get_current_admin),
+):
+    """Register a new user (admin only)."""
+    # Check if username exists
+    result = await db.execute(select(User).where(User.username == user_in.username))
+    existing = result.scalar_one_or_none()
+    if existing:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail="Username already exists",
+        )
+
+    user = User(
+        username=user_in.username,
+        password_hash=get_password_hash(user_in.password),
+        role=user_in.role,
+        is_active=user_in.is_active,
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    return user
+
+
+@router.post("/login", response_model=TokenResponse)
+async def login(
+    credentials: UserLogin,
+    db: AsyncSession = Depends(get_db),
+):
+    """Login and get access/refresh tokens."""
+    result = await db.execute(select(User).where(User.username == credentials.username))
+    user = result.scalar_one_or_none()
+
+    if not user or not verify_password(credentials.password, user.password_hash):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    if not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Inactive user",
+        )
+
+    user.last_login_at = datetime.now(timezone.utc)
+    await db.commit()
+
+    access_token, _ = create_access_token(sub=str(user.id), role=user.role)
+    refresh_token, _ = create_refresh_token(sub=str(user.id))
+    return {
+        "access_token": access_token,
+        "refresh_token": refresh_token,
+        "token_type": "bearer",
+    }
+
+
+@router.post("/refresh", response_model=TokenResponse)
+async def refresh(
+    req: RefreshTokenRequest,
+    db: AsyncSession = Depends(get_db),
+):
+    """Exchange a valid refresh token for a new token pair."""
+    try:
+        payload = decode_token(req.refresh_token, expected_type="refresh")
+    except ValueError as exc:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail=f"Invalid refresh token: {exc}",
+            headers={"WWW-Authenticate": "Bearer"},
+        ) from exc
+
+    user = await db.get(User, payload["sub"])
+    if user is None or not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid user",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    access_token, _ = create_access_token(sub=str(user.id), role=user.role)
+    refresh_token, _ = create_refresh_token(sub=str(user.id))
+    return {
+        "access_token": access_token,
+        "refresh_token": refresh_token,
+        "token_type": "bearer",
+    }
+
+
+@router.post("/logout", status_code=status.HTTP_204_NO_CONTENT)
+async def logout(
+    req: RefreshTokenRequest,
+):
+    """Revoke the provided refresh token."""
+    try:
+        payload = decode_token(req.refresh_token, expected_type="refresh")
+    except ValueError:
+        return None
+
+    exp = payload.get("exp")
+    if exp:
+        expires_at = datetime.fromtimestamp(exp, tz=timezone.utc)
+        await revoke_token(payload["jti"], expires_at)
+    return None
+
+
+@router.get("/me", response_model=UserOut)
+async def get_me(current_user: User = Depends(get_current_user)):
+    """Get current user info."""
+    return current_user