Files
2026-05-22 23:05:25 +09:00

120 lines
3.7 KiB
Python

from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
import hashlib
import os
from app.core.database import get_connection
router = APIRouter(prefix="/api/users", tags=["users"])
class LoginRequest(BaseModel):
username: str
password: str
class ChangePasswordRequest(BaseModel):
username: str
current_password: str
new_password: str
class LoginResponse(BaseModel):
id: int
username: str
full_name: str | None
email: str | None
message: str
def hash_password(password: str) -> str:
"""パスワードをハッシュ化"""
# 実運用ではより安全なハッシュアルゴリズムを使用してください
return hashlib.sha256(password.encode()).hexdigest()
@router.post("/login", response_model=LoginResponse)
async def login(request: LoginRequest):
"""ユーザーのログイン処理"""
try:
conn = get_connection()
cur = conn.cursor()
# ユーザーが存在するか確認
cur.execute(
"SELECT id, username, password, full_name, email FROM users WHERE username = %s AND is_active = TRUE",
(request.username,)
)
user = cur.fetchone()
cur.close()
conn.close()
if not user:
raise HTTPException(status_code=401, detail="ユーザー名またはパスワードが正しくありません")
# パスワードの検証
hashed_password = hash_password(request.password)
if user["password"] != hashed_password:
raise HTTPException(status_code=401, detail="ユーザー名またはパスワードが正しくありません")
return LoginResponse(
id=user["id"],
username=user["username"],
full_name=user["full_name"],
email=user["email"],
message="ログインに成功しました"
)
except HTTPException:
raise
except Exception as e:
raise HTTPException(status_code=500, detail=f"ログイン処理エラー: {str(e)}")
@router.post("/register")
async def register(request: LoginRequest):
"""新規ユーザー登録(無効化済み)"""
raise HTTPException(status_code=403, detail="新規ユーザー登録は現在受け付けていません")
@router.post("/change-password")
async def change_password(request: ChangePasswordRequest):
"""パスワード変更"""
if len(request.new_password) < 8:
raise HTTPException(status_code=400, detail="新しいパスワードは8文字以上である必要があります")
try:
conn = get_connection()
cur = conn.cursor()
cur.execute(
"SELECT id, password FROM users WHERE username = %s AND is_active = TRUE",
(request.username,)
)
user = cur.fetchone()
if not user:
cur.close()
conn.close()
raise HTTPException(status_code=401, detail="ユーザーが見つかりません")
if user["password"] != hash_password(request.current_password):
cur.close()
conn.close()
raise HTTPException(status_code=401, detail="現在のパスワードが正しくありません")
new_hashed = hash_password(request.new_password)
cur.execute(
"UPDATE users SET password = %s WHERE username = %s",
(new_hashed, request.username)
)
conn.commit()
cur.close()
conn.close()
return {"message": "パスワードを変更しました"}
except HTTPException:
raise
except Exception as e:
raise HTTPException(status_code=500, detail=f"パスワード変更エラー: {str(e)}")