Files
diary-news/backend/app/core/security.py
Mavis 60b062daf2 feat: initial MVP - FastAPI backend + Vue3 frontend + docker-compose
- backend: FastAPI + SQLAlchemy 2.0(async) + asyncpg + Alembic
- 7 API routes: auth/me/articles/sources/bookmarks/subscriptions/admin
- models: User/Source/Article/Bookmark/Subscription/ApiToken
- services: RSS fetcher (feedparser) + Tencent TMT translator with quota + cache + local NLLB fallback
- workers: APScheduler + asyncio pipeline (fetch -> dedupe -> insert -> translate)
- seed scripts: create_user, seed_sources (5 RSS: Reuters/BBC/Al Jazeera/NHK/DW)
- frontend: Vue 3 + Vite + Naive UI + Pinia + vue-router
- pages: Login, Feed (24h), ArticleDetail, Sources, Bookmarks, AdminSources
- deploy: docker-compose (postgres/redis/api/worker/frontend/caddy)
- docs: README, DEPLOY, architecture, acceptance
2026-06-07 21:51:01 +08:00

74 lines
2.1 KiB
Python

"""鉴权核心:密码哈希 + JWT 编解码 + API Token。"""
from __future__ import annotations
import hashlib
import hmac
import secrets
from datetime import datetime, timedelta, timezone
from typing import Any
import jwt
from passlib.context import CryptContext
from app.config import settings
# bcrypt 4.0.1 与 passlib 1.7.4 兼容
pwd_ctx = CryptContext(schemes=["bcrypt"], deprecated="auto", bcrypt__rounds=12)
def hash_password(plain: str) -> str:
return pwd_ctx.hash(plain)
def verify_password(plain: str, hashed: str) -> bool:
try:
return pwd_ctx.verify(plain, hashed)
except Exception:
return False
# === JWT ===
def create_access_token(subject: str | int, extra: dict[str, Any] | None = None) -> str:
now = datetime.now(timezone.utc)
payload: dict[str, Any] = {
"sub": str(subject),
"type": "access",
"iat": int(now.timestamp()),
"exp": int((now + timedelta(minutes=settings.access_token_ttl_min)).timestamp()),
}
if extra:
payload.update(extra)
return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
def create_refresh_token(subject: str | int) -> str:
now = datetime.now(timezone.utc)
payload = {
"sub": str(subject),
"type": "refresh",
"iat": int(now.timestamp()),
"exp": int((now + timedelta(days=settings.refresh_token_ttl_day)).timestamp()),
"jti": secrets.token_urlsafe(16),
}
return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
def decode_token(token: str) -> dict[str, Any]:
return jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_algorithm])
# === API Token(给 Android 用)===
def generate_api_token() -> tuple[str, str]:
"""返回 (raw_token, token_hash)。raw_token 只显示一次。"""
raw = secrets.token_urlsafe(32)
return raw, hash_api_token(raw)
def hash_api_token(raw: str) -> str:
# 简单 sha256 即可(随机性已经够)
return hashlib.sha256(raw.encode()).hexdigest()
def constant_time_eq(a: str, b: str) -> bool:
return hmac.compare_digest(a, b)