feat: HR Portal - Complete Multi-Tenant System with Redis Session Storage

Major Features:
-  Multi-tenant architecture (tenant isolation)
-  Employee CRUD with lifecycle management (onboarding/offboarding)
-  Department tree structure with email domain management
-  Company info management (single-record editing)
-  System functions CRUD (permission management)
-  Email account management (multi-account per employee)
-  Keycloak SSO integration (auth.lab.taipei)
-  Redis session storage (10.1.0.254:6379)
  - Solves Cookie 4KB limitation
  - Cross-system session sharing
  - Sliding expiration (8 hours)
  - Automatic token refresh

Technical Stack:
Backend:
- FastAPI + SQLAlchemy
- PostgreSQL 16 (10.1.0.20:5433)
- Keycloak Admin API integration
- Docker Mailserver integration (SSH)
- Alembic migrations

Frontend:
- Next.js 14 (App Router)
- NextAuth 4 with Keycloak Provider
- Redis session storage (ioredis)
- Tailwind CSS

Infrastructure:
- Redis 7 (10.1.0.254:6379) - Session + Cache
- Keycloak 26.1.0 (auth.lab.taipei)
- Docker Mailserver (10.1.0.254)

Architecture Highlights:
- Session管理由 Keycloak + Redis 統一控制
- 支援多系統 (HR/WebMail/Calendar/Drive/Office) 共享 session
- Token 自動刷新,異質服務整合
- 未來可無縫遷移到雲端

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
2026-02-23 20:12:43 +08:00
commit 360533393f
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"""
審計日誌服務
自動記錄所有 CRUD 操作,符合 ISO 要求
"""
from typing import Optional, Dict, Any
from datetime import datetime
from sqlalchemy.orm import Session
from fastapi import Request
from app.models.audit_log import AuditLog
class AuditService:
"""審計日誌服務類別"""
@staticmethod
def log(
db: Session,
action: str,
resource_type: str,
performed_by: str,
resource_id: Optional[int] = None,
details: Optional[Dict[str, Any]] = None,
ip_address: Optional[str] = None,
) -> AuditLog:
"""
創建審計日誌
Args:
db: 資料庫 Session
action: 操作類型 (create/update/delete/login/logout)
resource_type: 資源類型 (employee/identity/department/etc)
performed_by: 操作者 SSO 帳號
resource_id: 資源 ID
details: 詳細變更內容 (dict)
ip_address: IP 位址
Returns:
AuditLog: 創建的審計日誌物件
"""
# TODO: 從 JWT token 或 session 獲取 tenant_id,目前暫時使用預設值 1
tenant_id = 1
audit_log = AuditLog(
tenant_id=tenant_id,
action=action,
resource_type=resource_type,
resource_id=resource_id,
performed_by=performed_by,
details=details,
ip_address=ip_address,
)
db.add(audit_log)
db.commit()
db.refresh(audit_log)
return audit_log
@staticmethod
def log_create(
db: Session,
resource_type: str,
resource_id: int,
performed_by: str,
details: Dict[str, Any],
ip_address: Optional[str] = None,
) -> AuditLog:
"""記錄創建操作"""
return AuditService.log(
db=db,
action="create",
resource_type=resource_type,
resource_id=resource_id,
performed_by=performed_by,
details=details,
ip_address=ip_address,
)
@staticmethod
def log_update(
db: Session,
resource_type: str,
resource_id: int,
performed_by: str,
old_values: Dict[str, Any],
new_values: Dict[str, Any],
ip_address: Optional[str] = None,
) -> AuditLog:
"""
記錄更新操作
Args:
old_values: 舊值
new_values: 新值
"""
details = {
"old": old_values,
"new": new_values,
"changed_fields": list(set(old_values.keys()) & set(new_values.keys()))
}
return AuditService.log(
db=db,
action="update",
resource_type=resource_type,
resource_id=resource_id,
performed_by=performed_by,
details=details,
ip_address=ip_address,
)
@staticmethod
def log_delete(
db: Session,
resource_type: str,
resource_id: int,
performed_by: str,
details: Dict[str, Any],
ip_address: Optional[str] = None,
) -> AuditLog:
"""記錄刪除操作"""
return AuditService.log(
db=db,
action="delete",
resource_type=resource_type,
resource_id=resource_id,
performed_by=performed_by,
details=details,
ip_address=ip_address,
)
@staticmethod
def log_login(
db: Session,
username: str,
ip_address: Optional[str] = None,
success: bool = True,
) -> AuditLog:
"""記錄登入操作"""
return AuditService.log(
db=db,
action="login",
resource_type="authentication",
performed_by=username,
details={"success": success},
ip_address=ip_address,
)
@staticmethod
def log_logout(
db: Session,
username: str,
ip_address: Optional[str] = None,
) -> AuditLog:
"""記錄登出操作"""
return AuditService.log(
db=db,
action="logout",
resource_type="authentication",
performed_by=username,
ip_address=ip_address,
)
@staticmethod
def get_client_ip(request: Request) -> Optional[str]:
"""
從 Request 獲取客戶端 IP
優先順序:
1. X-Forwarded-For (代理服務器)
2. X-Real-IP (Nginx)
3. request.client.host (直接連接)
"""
# 檢查 X-Forwarded-For
forwarded_for = request.headers.get("X-Forwarded-For")
if forwarded_for:
# 取第一個 IP (客戶端真實 IP)
return forwarded_for.split(",")[0].strip()
# 檢查 X-Real-IP
real_ip = request.headers.get("X-Real-IP")
if real_ip:
return real_ip
# 直接連接
if request.client:
return request.client.host
return None
@staticmethod
def model_to_dict(obj, exclude_fields: Optional[set] = None) -> Dict[str, Any]:
"""
將 SQLAlchemy Model 轉換為 dict (用於審計日誌)
Args:
obj: SQLAlchemy Model 物件
exclude_fields: 排除的欄位集合
Returns:
dict: 模型的 dict 表示
"""
if exclude_fields is None:
exclude_fields = {"created_at", "updated_at", "_sa_instance_state"}
result = {}
for column in obj.__table__.columns:
if column.name not in exclude_fields:
value = getattr(obj, column.name)
# 處理 datetime
if isinstance(value, datetime):
value = value.isoformat()
result[column.name] = value
return result
@staticmethod
def log_action(
db: Session,
action: str,
resource_type: str,
resource_id: Optional[int] = None,
details: Optional[Dict[str, Any]] = None,
request: Optional[Request] = None,
performed_by: str = "system",
) -> AuditLog:
"""
通用操作記錄 (permissions.py 使用的介面)
Args:
db: 資料庫 Session
action: 操作類型
resource_type: 資源類型
resource_id: 資源 ID
details: 詳細內容
request: FastAPI Request 物件 (用於取得 IP)
performed_by: 操作者
"""
ip_address = None
if request is not None:
ip_address = AuditService.get_client_ip(request)
return AuditService.log(
db=db,
action=action,
resource_type=resource_type,
resource_id=resource_id,
performed_by=performed_by,
details=details,
ip_address=ip_address,
)
# 全域審計服務實例
audit_service = AuditService()