feat: add models for physical files, policies, and user management

- Implement PhysicalFile model to manage physical file references and reference counting.
- Create Policy model with associated options and group links for storage policies.
- Introduce Redeem and Report models for handling redeem codes and reports.
- Add Settings model for site configuration and user settings management.
- Develop Share model for sharing objects with unique codes and associated metadata.
- Implement SourceLink model for managing download links associated with objects.
- Create StoragePack model for managing user storage packages.
- Add Tag model for user-defined tags with manual and automatic types.
- Implement Task model for managing background tasks with status tracking.
- Develop User model with comprehensive user management features including authentication.
- Introduce UserAuthn model for managing WebAuthn credentials.
- Create WebDAV model for managing WebDAV accounts associated with users.

routers/api/v1/site/__init__.py

@@ -1,7 +1,8 @@
 from fastapi import APIRouter
 
 from middleware.dependencies import SessionDep
-from models import ResponseBase, Setting, SettingsType, SiteConfigResponse
+from sqlmodels import ResponseBase, Setting, SettingsType, SiteConfigResponse
+from sqlmodels.setting import CaptchaType
 from utils import http_exceptions
 
 site_router = APIRouter(
@@ -43,16 +44,43 @@ def router_site_captcha():
 @site_router.get(
     path='/config',
     summary='站点全局配置',
-    description='Get the configuration file.',
-    response_model=ResponseBase,
+    description='获取站点全局配置，包括验证码设置、注册开关等。',
 )
 async def router_site_config(session: SessionDep) -> SiteConfigResponse:
     """
-    Get the configuration file.
+    获取站点全局配置
 
-    Returns:
-        dict: The site configuration.
+    无需认证。前端在初始化时调用此端点获取验证码类型、
+    登录/注册/找回密码是否需要验证码等配置。
     """
+    # 批量查询所需设置
+    settings: list[Setting] = await Setting.get(
+        session,
+        (Setting.type == SettingsType.BASIC) |
+        (Setting.type == SettingsType.LOGIN) |
+        (Setting.type == SettingsType.REGISTER) |
+        (Setting.type == SettingsType.CAPTCHA),
+        fetch_mode="all",
+    )
+
+    # 构建 name→value 映射
+    s: dict[str, str | None] = {item.name: item.value for item in settings}
+
+    # 根据 captcha_type 选择对应的 public key
+    captcha_type_str = s.get("captcha_type", "default")
+    captcha_type = CaptchaType(captcha_type_str) if captcha_type_str else CaptchaType.DEFAULT
+    captcha_key: str | None = None
+    if captcha_type == CaptchaType.GCAPTCHA:
+        captcha_key = s.get("captcha_ReCaptchaKey") or None
+    elif captcha_type == CaptchaType.CLOUD_FLARE_TURNSTILE:
+        captcha_key = s.get("captcha_CloudflareKey") or None
+
     return SiteConfigResponse(
-        title=await Setting.get(session, (Setting.type == SettingsType.BASIC) & (Setting.name == "siteName")),
+        title=s.get("siteName") or "DiskNext",
+        register_enabled=s.get("register_enabled") == "1",
+        login_captcha=s.get("login_captcha") == "1",
+        reg_captcha=s.get("reg_captcha") == "1",
+        forget_captcha=s.get("forget_captcha") == "1",
+        captcha_type=captcha_type,
+        captcha_key=captcha_key,
     )