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修复数据库构建问题

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于小丘
2025-10-03 10:00:22 +08:00
parent 3469ca9ab1
commit 643f19c1f1
7 changed files with 101 additions and 180 deletions
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31
JWT.py
View File

@@ -1,12 +1,35 @@
from fastapi.security import OAuth2PasswordBearer
from model import database
import asyncio
from model import Setting
from model.database import Database
oauth2_scheme = OAuth2PasswordBearer(
scheme_name='获取 JWT Bearer 令牌',
description='用于获取 JWT Bearer 令牌，需要以表单的形式提交',
description='用于获取 JWT Bearer 令牌,需要以表单的形式提交',
tokenUrl="/api/token"
)
SECRET_KEY = asyncio.run(database.Database().get_setting('SECRET_KEY'))
ALGORITHM = "HS256"
# 延迟加载 SECRET_KEY
_SECRET_KEY_CACHE = None
async def get_secret_key() -> str:
"""
获取 JWT 密钥
:return: JWT 密钥字符串
"""
global _SECRET_KEY_CACHE
if _SECRET_KEY_CACHE is None:
async with Database.get_session() as session:
setting = await Setting.get(
session=session,
condition=(Setting.name == 'SECRET_KEY')
)
if setting:
_SECRET_KEY_CACHE = setting.value
else:
raise RuntimeError("SECRET_KEY not found in database")
return _SECRET_KEY_CACHE

160
model/database.py
View File

@@ -1,15 +1,12 @@
# ~/models/database.py
from contextlib import asynccontextmanager
import aiosqlite
from datetime import datetime
from typing import Optional
from sqlmodel import SQLModel
from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
from sqlmodel.ext.asyncio.session import AsyncSession
from sqlalchemy.orm import sessionmaker
from typing import AsyncGenerator
import warnings
from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
from sqlalchemy.orm import sessionmaker
from sqlmodel import SQLModel
from sqlmodel.ext.asyncio.session import AsyncSession
from .migration import migration
ASYNC_DATABASE_URL = "sqlite+aiosqlite:///data.db"
@@ -19,161 +16,38 @@ engine: AsyncEngine = create_async_engine(
echo=True,
connect_args={
"check_same_thread": False
} if ASYNC_DATABASE_URL.startswith("sqlite") else None,
} if ASYNC_DATABASE_URL.startswith("sqlite") else {},
future=True,
# pool_size=POOL_SIZE,
# max_overflow=64,
)
_async_session_factory = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
_async_session_factory = sessionmaker(
engine, class_=AsyncSession, expire_on_commit=False
)
# 数据库类
class Database:
# Database 初始化方法
def __init__(
self, # self 用于引用类的实例
db_path: str = "data.db" # db_path 数据库文件路径，默认为 data.db
db_path: str = "data.db", # db_path 数据库文件路径，默认为 data.db
):
self.db_path = db_path
@staticmethod
@asynccontextmanager
async def get_session() -> AsyncGenerator[AsyncSession, None]:
"""FastAPI dependency to get a database session."""
async with _async_session_factory() as session:
yield session
async def init_db(
self,
url: str = ASYNC_DATABASE_URL
):
async def init_db(self, url: str = ASYNC_DATABASE_URL):
"""创建数据库结构"""
async with engine.begin() as conn:
await conn.run_sync(SQLModel.metadata.create_all)
async with self.get_session() as session:
# For internal use, create a temporary context manager
get_session_cm = asynccontextmanager(self.get_session)
async with get_session_cm() as session:
await migration(session) # 执行迁移脚本
async def add_object(self, key: str, name: str, icon: str = None, phone: str = None):
"""
添加新对象
:param key: 序列号
:param name: 名称
:param icon: 图标
:param phone: 电话
"""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute("SELECT 1 FROM fr_objects WHERE key = ?", (key,)) as cursor:
if await cursor.fetchone():
raise ValueError(f"序列号 {key} 已存在")
now = datetime.now()
now = now.strftime("%Y-%m-%d %H:%M:%S")
await db.execute(
"INSERT INTO fr_objects (key, name, icon, phone, create_at, status) VALUES (?, ?, ?, ?, ?, 'ok')",
(key, name, icon, phone, now)
)
await db.commit()
async def update_object(
self,
id: int,
key: str = None,
name: str = None,
icon: str = None,
status: str = None,
phone: int = None,
lost_description: Optional[str] = None,
find_ip: Optional[str] = None,
lost_time: Optional[str] = None):
"""
更新对象信息
:param id: 对象ID
:param key: 序列号
:param name: 名称
:param icon: 图标
:param status: 状态
:param phone: 电话
:param lost_description: 丢失描述
:param find_ip: 发现IP
:param lost_time: 丢失时间
"""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute("SELECT 1 FROM fr_objects WHERE id = ?", (id,)) as cursor:
if not await cursor.fetchone():
raise ValueError(f"ID {id} 不存在")
async with db.execute("SELECT 1 FROM fr_objects WHERE key = ? AND id != ?", (key, id)) as cursor:
if await cursor.fetchone():
raise ValueError(f"序列号 {key} 已存在")
await db.execute(
f"UPDATE fr_objects SET "
f"key = COALESCE(?, key), "
f"name = COALESCE(?, name), "
f"icon = COALESCE(?, icon), "
f"status = COALESCE(?, status), "
f"phone = COALESCE(?, phone), "
f"context = COALESCE(?, context), "
f"find_ip = COALESCE(?, find_ip), "
f"lost_at = COALESCE(?, lost_at) "
f"WHERE id = ?",
(key, name, icon, status, phone, lost_description, find_ip, lost_time, id)
)
await db.commit()
async def get_object(self, id: int = None, key: str = None):
"""
获取对象
:param id: 对象ID
:param key: 序列号
"""
async with aiosqlite.connect(self.db_path) as db:
if id is not None or key is not None:
async with db.execute(
"SELECT * FROM fr_objects WHERE id = ? OR key = ?", (id, key)
) as cursor:
return await cursor.fetchone()
else:
async with db.execute("SELECT * FROM fr_objects") as cursor:
return await cursor.fetchall()
async def delete_object(self, id: int):
"""
删除对象
:param id: 对象ID
"""
async with aiosqlite.connect(self.db_path) as db:
await db.execute("DELETE FROM fr_objects WHERE id = ?", (id,))
await db.commit()
async def set_setting(self, name: str, value: str):
"""
设置配置项
:param name: 配置项名称
:param value: 配置项值
"""
async with aiosqlite.connect(self.db_path) as db:
await db.execute(
"INSERT OR REPLACE INTO fr_settings (name, value) VALUES (?, ?)",
(name, value)
)
await db.commit()
async def get_setting(self, name: str):
"""
获取配置项
:param name: 配置项名称
"""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute(
"SELECT value FROM fr_settings WHERE name = ?", (name,)
) as cursor:
result = await cursor.fetchone()
return result[0] if result else None

8
model/migration.py
View File

@@ -1,4 +1,4 @@
from typing import Sequence
from loguru import logger
from sqlmodel import select
from .setting import Setting
import tool
@@ -13,9 +13,13 @@ async def migration(session):
# 先准备基础配置
settings: list[Setting] = default_settings.copy()
if await Setting.get(session, Setting.name == 'version'):
# 已有数据，说明不是第一次运行，直接返回
return
# 生成初始密码与密钥
admin_password = tool.generate_password()
print(f"密码（请牢记，后续不再显示）: {admin_password}")
logger.warning(f"密码（请牢记，后续不再显示）: {admin_password}")
settings.append(Setting(type='string', name='password', value=tool.hash_password(admin_password)))
settings.append(Setting(type='string', name='SECRET_KEY', value=tool.generate_password(64)))

5
model/response.py
View File

@@ -14,4 +14,7 @@ class ObjectData(BaseModel):
icon: str
status: Literal['ok', 'lost']
phone: str
context: Optional[str] = None
context: str | None = None
lost_description: str | None = None
create_time: str
lost_time: str | None = None

BIN
requirements.txt
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Binary file not shown.

35
routes/admin.py
View File

@@ -1,5 +1,5 @@
from fastapi import APIRouter
from typing import Annotated, Literal, Optional
from typing import Annotated, Literal
from fastapi import Depends, Query
from fastapi import HTTPException
import JWT
@@ -8,9 +8,14 @@ from jwt import InvalidTokenError
from model import database
from model.response import DefaultResponse
from model.items import Item
from sqlmodel.ext.asyncio.session import AsyncSession
from model import Setting
# 验证是否为管理员
async def is_admin(token: Annotated[str, Depends(JWT.oauth2_scheme)]) -> Literal[True]:
async def is_admin(
token: Annotated[str, Depends(JWT.oauth2_scheme)],
session: Annotated[AsyncSession, Depends(database.Database.get_session)]
) -> Literal[True]:
'''
验证是否为管理员。
@@ -24,9 +29,9 @@ async def is_admin(token: Annotated[str, Depends(JWT.oauth2_scheme)]) -> Literal
)
try:
payload = jwt.decode(token, JWT.SECRET_KEY, algorithms=[JWT.ALGORITHM])
payload = jwt.decode(token, JWT.get_secret_key(), algorithms=[JWT.ALGORITHM])
username = payload.get("sub")
if username is None or not await database.Database().get_setting('account') == username:
if username is None or not await Setting.get(session, Setting.name == 'account') == username:
raise credentials_exception
else:
return True
@@ -64,8 +69,8 @@ async def verity_admin() -> DefaultResponse:
response_description='物品信息列表'
)
async def get_items(
id: Optional[int] = Query(default=None, ge=1, description='物品ID'),
key: Optional[str] = Query(default=None, description='物品序列号')):
id: int | None = Query(default=None, ge=1, description='物品ID'),
key: str | None = Query(default=None, description='物品序列号')):
'''
获得物品信息。
@@ -80,7 +85,6 @@ async def get_items(
items = results
item = []
for i in items:
print(i)
item.append(Item(
id=i[0],
type=i[1],
@@ -144,14 +148,15 @@ async def add_items(
)
async def update_items(
id: int = Query(ge=1),
key: Optional[str] = None,
name: Optional[str] = None,
icon: Optional[str] = None,
status: Optional[str] = None,
phone: Optional[int] = None,
lost_description: Optional[str] = None,
find_ip: Optional[str] = None,
lost_time: Optional[str] = None) -> DefaultResponse:
key: str | None = None,
name: str | None = None,
icon: str | None = None,
status: str | None = None,
phone: int | None = None,
lost_description: str | None = None,
find_ip: str | None = None,
lost_time: str | None = None
) -> DefaultResponse:
'''
更新物品信息。

30
routes/session.py
View File

@@ -5,31 +5,38 @@ from fastapi import Depends, HTTPException
from fastapi.security import OAuth2PasswordRequestForm
from fastapi import APIRouter
import jwt, JWT
from sqlmodel.ext.asyncio.session import AsyncSession
from tool import verify_password
from loguru import logger
from model.token import Token
from model import Setting, database
from tool import verify_password
Router = APIRouter(tags=["令牌 session"])
# 创建令牌
def create_access_token(data: dict, expires_delta: timedelta | None = None):
async def create_access_token(data: dict, expires_delta: timedelta | None = None):
to_encode = data.copy()
if expires_delta:
expire = datetime.now(timezone.utc) + expires_delta
else:
expire = datetime.now(timezone.utc) + timedelta(minutes=15)
to_encode.update({"exp": expire})
encoded_jwt = jwt.encode(to_encode, JWT.SECRET_KEY, algorithm='HS256')
encoded_jwt = jwt.encode(to_encode, key=await JWT.get_secret_key(), algorithm='HS256')
return encoded_jwt
# 验证账号密码
async def authenticate_user(username: str, password: str):
async def authenticate_user(session: AsyncSession, username: str, password: str):
# 验证账号和密码
account = await Setting.get('setting', 'account')
stored_password = await Setting.get('setting', 'password')
account = await Setting.get(session, Setting.name == 'account')
stored_password = await Setting.get(session, Setting.name == 'password')
if account != username or not verify_password(stored_password, password):
if not account or not stored_password:
logger.error("Account or password not set in settings.")
return False
if account != username or not verify_password(stored_password.value, password):
logger.error("Invalid username or password.")
return False
return {'is_authenticated': True}
@@ -44,8 +51,13 @@ async def authenticate_user(username: str, password: str):
)
async def login_for_access_token(
form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
session: Annotated[AsyncSession, Depends(database.Database.get_session)],
) -> Token:
user = await authenticate_user(form_data.username, form_data.password)
user = await authenticate_user(
session=session,
username=form_data.username,
password=form_data.password
)
if not user:
raise HTTPException(
status_code=401,
@@ -53,7 +65,7 @@ async def login_for_access_token(
headers={"WWW-Authenticate": "Bearer"},
)
access_token_expires = timedelta(hours=1)
access_token = create_access_token(
access_token = await create_access_token(
data={"sub": form_data.username}, expires_delta=access_token_expires
)
return Token(access_token=access_token, token_type="bearer")