Feat/webapp verified sso main (#20494)

api/controllers/console/auth/forgot_password.py

         if not reset_data:
             raise InvalidTokenError()
         # Must use token in reset phase
-        if reset_data.get("phase", "") != "reset":
-            raise InvalidTokenError()
-        # Must use token in reset phase
         if reset_data.get("phase", "") != "reset":
             raise InvalidTokenError()
 

api/controllers/console/explore/installed_app.py

         if FeatureService.get_system_features().webapp_auth.enabled:
             user_id = current_user.id
             res = []
+            app_ids = [installed_app["app"].id for installed_app in installed_app_list]
+            webapp_settings = EnterpriseService.WebAppAuth.batch_get_app_access_mode_by_id(app_ids)
             for installed_app in installed_app_list:
+                webapp_setting = webapp_settings.get(installed_app["app"].id)
+                if not webapp_setting:
+                    continue
+                if webapp_setting.access_mode == "sso_verified":
+                    continue
                 app_code = AppService.get_app_code_by_id(str(installed_app["app"].id))
                 if EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(
                     user_id=user_id,

api/controllers/console/wraps.py

     return decorated
 
 
+def only_edition_enterprise(view):
+    @wraps(view)
+    def decorated(*args, **kwargs):
+        if not dify_config.ENTERPRISE_ENABLED:
+            abort(404)
+
+        return view(*args, **kwargs)
+
+    return decorated
+
+
 def only_edition_self_hosted(view):
     @wraps(view)
     def decorated(*args, **kwargs):

api/controllers/web/__init__.py

 api.add_resource(RemoteFileInfoApi, "/remote-files/<path:url>")
 api.add_resource(RemoteFileUploadApi, "/remote-files/upload")
 
-from . import app, audio, completion, conversation, feature, message, passport, saved_message, site, workflow
+from . import (
+    app,
+    audio,
+    completion,
+    conversation,
+    feature,
+    forgot_password,
+    login,
+    message,
+    passport,
+    saved_message,
+    site,
+    workflow,
+)

api/controllers/web/app.py

 from models.model import App, AppMode
 from services.app_service import AppService
 from services.enterprise.enterprise_service import EnterpriseService
+from services.feature_service import FeatureService
+from services.webapp_auth_service import WebAppAuthService
 
 
 class AppParameterApi(WebApiResource):
 class AppAccessMode(Resource):
     def get(self):
         parser = reqparse.RequestParser()
-        parser.add_argument("appId", type=str, required=True, location="args")
+        parser.add_argument("appId", type=str, required=False, location="args")
+        parser.add_argument("appCode", type=str, required=False, location="args")
         args = parser.parse_args()
 
-        app_id = args["appId"]
+        features = FeatureService.get_system_features()
+        if not features.webapp_auth.enabled:
+            return {"accessMode": "public"}
+
+        app_id = args.get("appId")
+        if args.get("appCode"):
+            app_code = args["appCode"]
+            app_id = AppService.get_app_id_by_code(app_code)
+
+        if not app_id:
+            raise ValueError("appId or appCode must be provided")
+
         res = EnterpriseService.WebAppAuth.get_app_access_mode_by_id(app_id)
 
         return {"accessMode": res.access_mode}
         except Exception as e:
             pass
 
+        features = FeatureService.get_system_features()
+        if not features.webapp_auth.enabled:
+            return {"result": True}
+
         parser = reqparse.RequestParser()
         parser.add_argument("appId", type=str, required=True, location="args")
         args = parser.parse_args()
         app_id = args["appId"]
         app_code = AppService.get_app_code_by_id(app_id)
 
-        res = EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(str(user_id), app_code)
+        res = True
+        if WebAppAuthService.is_app_require_permission_check(app_id=app_id):
+            res = EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(str(user_id), app_code)
         return {"result": res}
 
 

api/controllers/web/forgot_password.py

+import base64
+import secrets
+
+from flask import request
+from flask_restful import Resource, reqparse
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from controllers.console.auth.error import (
+    EmailCodeError,
+    EmailPasswordResetLimitError,
+    InvalidEmailError,
+    InvalidTokenError,
+    PasswordMismatchError,
+)
+from controllers.console.error import AccountNotFound, EmailSendIpLimitError
+from controllers.console.wraps import email_password_login_enabled, only_edition_enterprise, setup_required
+from controllers.web import api
+from extensions.ext_database import db
+from libs.helper import email, extract_remote_ip
+from libs.password import hash_password, valid_password
+from models.account import Account
+from services.account_service import AccountService
+
+
+class ForgotPasswordSendEmailApi(Resource):
+    @only_edition_enterprise
+    @setup_required
+    @email_password_login_enabled
+    def post(self):
+        parser = reqparse.RequestParser()
+        parser.add_argument("email", type=email, required=True, location="json")
+        parser.add_argument("language", type=str, required=False, location="json")
+        args = parser.parse_args()
+
+        ip_address = extract_remote_ip(request)
+        if AccountService.is_email_send_ip_limit(ip_address):
+            raise EmailSendIpLimitError()
+
+        if args["language"] is not None and args["language"] == "zh-Hans":
+            language = "zh-Hans"
+        else:
+            language = "en-US"
+
+        with Session(db.engine) as session:
+            account = session.execute(select(Account).filter_by(email=args["email"])).scalar_one_or_none()
+        token = None
+        if account is None:
+            raise AccountNotFound()
+        else:
+            token = AccountService.send_reset_password_email(account=account, email=args["email"], language=language)
+
+        return {"result": "success", "data": token}
+
+
+class ForgotPasswordCheckApi(Resource):
+    @only_edition_enterprise
+    @setup_required
+    @email_password_login_enabled
+    def post(self):
+        parser = reqparse.RequestParser()
+        parser.add_argument("email", type=str, required=True, location="json")
+        parser.add_argument("code", type=str, required=True, location="json")
+        parser.add_argument("token", type=str, required=True, nullable=False, location="json")
+        args = parser.parse_args()
+
+        user_email = args["email"]
+
+        is_forgot_password_error_rate_limit = AccountService.is_forgot_password_error_rate_limit(args["email"])
+        if is_forgot_password_error_rate_limit:
+            raise EmailPasswordResetLimitError()
+
+        token_data = AccountService.get_reset_password_data(args["token"])
+        if token_data is None:
+            raise InvalidTokenError()
+
+        if user_email != token_data.get("email"):
+            raise InvalidEmailError()
+
+        if args["code"] != token_data.get("code"):
+            AccountService.add_forgot_password_error_rate_limit(args["email"])
+            raise EmailCodeError()
+
+        # Verified, revoke the first token
+        AccountService.revoke_reset_password_token(args["token"])
+
+        # Refresh token data by generating a new token
+        _, new_token = AccountService.generate_reset_password_token(
+            user_email, code=args["code"], additional_data={"phase": "reset"}
+        )
+
+        AccountService.reset_forgot_password_error_rate_limit(args["email"])
+        return {"is_valid": True, "email": token_data.get("email"), "token": new_token}
+
+
+class ForgotPasswordResetApi(Resource):
+    @only_edition_enterprise
+    @setup_required
+    @email_password_login_enabled
+    def post(self):
+        parser = reqparse.RequestParser()
+        parser.add_argument("token", type=str, required=True, nullable=False, location="json")
+        parser.add_argument("new_password", type=valid_password, required=True, nullable=False, location="json")
+        parser.add_argument("password_confirm", type=valid_password, required=True, nullable=False, location="json")
+        args = parser.parse_args()
+
+        # Validate passwords match
+        if args["new_password"] != args["password_confirm"]:
+            raise PasswordMismatchError()
+
+        # Validate token and get reset data
+        reset_data = AccountService.get_reset_password_data(args["token"])
+        if not reset_data:
+            raise InvalidTokenError()
+        # Must use token in reset phase
+        if reset_data.get("phase", "") != "reset":
+            raise InvalidTokenError()
+
+        # Revoke token to prevent reuse
+        AccountService.revoke_reset_password_token(args["token"])
+
+        # Generate secure salt and hash password
+        salt = secrets.token_bytes(16)
+        password_hashed = hash_password(args["new_password"], salt)
+
+        email = reset_data.get("email", "")
+
+        with Session(db.engine) as session:
+            account = session.execute(select(Account).filter_by(email=email)).scalar_one_or_none()
+
+            if account:
+                self._update_existing_account(account, password_hashed, salt, session)
+            else:
+                raise AccountNotFound()
+
+        return {"result": "success"}
+
+    def _update_existing_account(self, account, password_hashed, salt, session):
+        # Update existing account credentials
+        account.password = base64.b64encode(password_hashed).decode()
+        account.password_salt = base64.b64encode(salt).decode()
+        session.commit()
+
+
+api.add_resource(ForgotPasswordSendEmailApi, "/forgot-password")
+api.add_resource(ForgotPasswordCheckApi, "/forgot-password/validity")
+api.add_resource(ForgotPasswordResetApi, "/forgot-password/resets")

api/controllers/web/login.py

-from flask import request
 from flask_restful import Resource, reqparse
 from jwt import InvalidTokenError  # type: ignore
-from werkzeug.exceptions import BadRequest
 
 import services
 from controllers.console.auth.error import EmailCodeError, EmailOrPasswordMismatchError, InvalidEmailError
 from controllers.console.error import AccountBannedError, AccountNotFound
-from controllers.console.wraps import setup_required
+from controllers.console.wraps import only_edition_enterprise, setup_required
+from controllers.web import api
 from libs.helper import email
 from libs.password import valid_password
 from services.account_service import AccountService
 class LoginApi(Resource):
     """Resource for web app email/password login."""
 
+    @setup_required
+    @only_edition_enterprise
     def post(self):
         """Authenticate user and login."""
         parser = reqparse.RequestParser()
         parser.add_argument("password", type=valid_password, required=True, location="json")
         args = parser.parse_args()
 
-        app_code = request.headers.get("X-App-Code")
-        if app_code is None:
-            raise BadRequest("X-App-Code header is missing.")
-
         try:
             account = WebAppAuthService.authenticate(args["email"], args["password"])
         except services.errors.account.AccountLoginError:
         except services.errors.account.AccountNotFoundError:
             raise AccountNotFound()
 
-        WebAppAuthService._validate_user_accessibility(account=account, app_code=app_code)
-
-        end_user = WebAppAuthService.create_end_user(email=args["email"], app_code=app_code)
-
-        token = WebAppAuthService.login(account=account, app_code=app_code, end_user_id=end_user.id)
-        return {"result": "success", "token": token}
+        token = WebAppAuthService.login(account=account)
+        return {"result": "success", "data": {"access_token": token}}
 
 
 # class LogoutApi(Resource):
 
 class EmailCodeLoginSendEmailApi(Resource):
     @setup_required
+    @only_edition_enterprise
     def post(self):
         parser = reqparse.RequestParser()
         parser.add_argument("email", type=email, required=True, location="json")
 
 class EmailCodeLoginApi(Resource):
     @setup_required
+    @only_edition_enterprise
     def post(self):
         parser = reqparse.RequestParser()
         parser.add_argument("email", type=str, required=True, location="json")
         args = parser.parse_args()
 
         user_email = args["email"]
-        app_code = request.headers.get("X-App-Code")
-        if app_code is None:
-            raise BadRequest("X-App-Code header is missing.")
 
         token_data = WebAppAuthService.get_email_code_login_data(args["token"])
         if token_data is None:
         if not account:
             raise AccountNotFound()
 
-        WebAppAuthService._validate_user_accessibility(account=account, app_code=app_code)
-
-        end_user = WebAppAuthService.create_end_user(email=user_email, app_code=app_code)
-
-        token = WebAppAuthService.login(account=account, app_code=app_code, end_user_id=end_user.id)
+        token = WebAppAuthService.login(account=account)
         AccountService.reset_login_error_rate_limit(args["email"])
-        return {"result": "success", "token": token}
+        return {"result": "success", "data": {"access_token": token}}
 
 
-# api.add_resource(LoginApi, "/login")
+api.add_resource(LoginApi, "/login")
 # api.add_resource(LogoutApi, "/logout")
-# api.add_resource(EmailCodeLoginSendEmailApi, "/email-code-login")
-# api.add_resource(EmailCodeLoginApi, "/email-code-login/validity")
+api.add_resource(EmailCodeLoginSendEmailApi, "/email-code-login")
+api.add_resource(EmailCodeLoginApi, "/email-code-login/validity")

api/controllers/web/passport.py

 import uuid
+from datetime import UTC, datetime, timedelta
 
 from flask import request
 from flask_restful import Resource
 from werkzeug.exceptions import NotFound, Unauthorized
 
+from configs import dify_config
 from controllers.web import api
 from controllers.web.error import WebAppAuthRequiredError
 from extensions.ext_database import db
 from models.model import App, EndUser, Site
 from services.enterprise.enterprise_service import EnterpriseService
 from services.feature_service import FeatureService
+from services.webapp_auth_service import WebAppAuthService, WebAppAuthType
 
 
 class PassportResource(Resource):
         system_features = FeatureService.get_system_features()
         app_code = request.headers.get("X-App-Code")
         user_id = request.args.get("user_id")
+        web_app_access_token = request.args.get("web_app_access_token")
 
         if app_code is None:
             raise Unauthorized("X-App-Code header is missing.")
 
+        # exchange token for enterprise logined web user
+        enterprise_user_decoded = decode_enterprise_webapp_user_id(web_app_access_token)
+        if enterprise_user_decoded:
+            # a web user has already logged in, exchange a token for this app without redirecting to the login page
+            return exchange_token_for_existing_web_user(
+                app_code=app_code, enterprise_user_decoded=enterprise_user_decoded
+            )
+
         if system_features.webapp_auth.enabled:
             app_settings = EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code=app_code)
             if not app_settings or not app_settings.access_mode == "public":
 api.add_resource(PassportResource, "/passport")
 
 
+def decode_enterprise_webapp_user_id(jwt_token: str | None):
+    """
+    Decode the enterprise user session from the Authorization header.
+    """
+    if not jwt_token:
+        return None
+
+    decoded = PassportService().verify(jwt_token)
+    source = decoded.get("token_source")
+    if not source or source != "webapp_login_token":
+        raise Unauthorized("Invalid token source. Expected 'webapp_login_token'.")
+    return decoded
+
+
+def exchange_token_for_existing_web_user(app_code: str, enterprise_user_decoded: dict):
+    """
+    Exchange a token for an existing web user session.
+    """
+    user_id = enterprise_user_decoded.get("user_id")
+    end_user_id = enterprise_user_decoded.get("end_user_id")
+    session_id = enterprise_user_decoded.get("session_id")
+    user_auth_type = enterprise_user_decoded.get("auth_type")
+    if not user_auth_type:
+        raise Unauthorized("Missing auth_type in the token.")
+
+    site = db.session.query(Site).filter(Site.code == app_code, Site.status == "normal").first()
+    if not site:
+        raise NotFound()
+
+    app_model = db.session.query(App).filter(App.id == site.app_id).first()
+    if not app_model or app_model.status != "normal" or not app_model.enable_site:
+        raise NotFound()
+
+    app_auth_type = WebAppAuthService.get_app_auth_type(app_code=app_code)
+
+    if app_auth_type == WebAppAuthType.PUBLIC:
+        return _exchange_for_public_app_token(app_model, site, enterprise_user_decoded)
+    elif app_auth_type == WebAppAuthType.EXTERNAL and user_auth_type != "external":
+        raise WebAppAuthRequiredError("Please login as external user.")
+    elif app_auth_type == WebAppAuthType.INTERNAL and user_auth_type != "internal":
+        raise WebAppAuthRequiredError("Please login as internal user.")
+
+    end_user = None
+    if end_user_id:
+        end_user = db.session.query(EndUser).filter(EndUser.id == end_user_id).first()
+    if session_id:
+        end_user = (
+            db.session.query(EndUser)
+            .filter(
+                EndUser.session_id == session_id,
+                EndUser.tenant_id == app_model.tenant_id,
+                EndUser.app_id == app_model.id,
+            )
+            .first()
+        )
+    if not end_user:
+        if not session_id:
+            raise NotFound("Missing session_id for existing web user.")
+        end_user = EndUser(
+            tenant_id=app_model.tenant_id,
+            app_id=app_model.id,
+            type="browser",
+            is_anonymous=True,
+            session_id=session_id,
+        )
+        db.session.add(end_user)
+        db.session.commit()
+    exp_dt = datetime.now(UTC) + timedelta(hours=dify_config.ACCESS_TOKEN_EXPIRE_MINUTES * 24)
+    exp = int(exp_dt.timestamp())
+    payload = {
+        "iss": site.id,
+        "sub": "Web API Passport",
+        "app_id": site.app_id,
+        "app_code": site.code,
+        "user_id": user_id,
+        "end_user_id": end_user.id,
+        "auth_type": user_auth_type,
+        "granted_at": int(datetime.now(UTC).timestamp()),
+        "token_source": "webapp",
+        "exp": exp,
+    }
+    token: str = PassportService().issue(payload)
+    return {
+        "access_token": token,
+    }
+
+
+def _exchange_for_public_app_token(app_model, site, token_decoded):
+    user_id = token_decoded.get("user_id")
+    end_user = None
+    if user_id:
+        end_user = (
+            db.session.query(EndUser).filter(EndUser.app_id == app_model.id, EndUser.session_id == user_id).first()
+        )
+
+    if not end_user:
+        end_user = EndUser(
+            tenant_id=app_model.tenant_id,
+            app_id=app_model.id,
+            type="browser",
+            is_anonymous=True,
+            session_id=generate_session_id(),
+        )
+
+        db.session.add(end_user)
+        db.session.commit()
+
+    payload = {
+        "iss": site.app_id,
+        "sub": "Web API Passport",
+        "app_id": site.app_id,
+        "app_code": site.code,
+        "end_user_id": end_user.id,
+    }
+
+    tk = PassportService().issue(payload)
+
+    return {
+        "access_token": tk,
+    }
+
+
 def generate_session_id():
     """
     Generate a unique session ID.

api/controllers/web/wraps.py

+from datetime import UTC, datetime
 from functools import wraps
 
 from flask import request
 from extensions.ext_database import db
 from libs.passport import PassportService
 from models.model import App, EndUser, Site
-from services.enterprise.enterprise_service import EnterpriseService
+from services.enterprise.enterprise_service import EnterpriseService, WebAppSettings
 from services.feature_service import FeatureService
+from services.webapp_auth_service import WebAppAuthService
 
 
 def validate_jwt_token(view=None):
             raise Unauthorized("Invalid Authorization header format. Expected 'Bearer <api-key>' format.")
         decoded = PassportService().verify(tk)
         app_code = decoded.get("app_code")
-        app_model = db.session.query(App).filter(App.id == decoded["app_id"]).first()
+        app_id = decoded.get("app_id")
+        app_model = db.session.query(App).filter(App.id == app_id).first()
         site = db.session.query(Site).filter(Site.code == app_code).first()
         if not app_model:
             raise NotFound()
             raise BadRequest("Site URL is no longer valid.")
         if app_model.enable_site is False:
             raise BadRequest("Site is disabled.")
-        end_user = db.session.query(EndUser).filter(EndUser.id == decoded["end_user_id"]).first()
+        end_user_id = decoded.get("end_user_id")
+        end_user = db.session.query(EndUser).filter(EndUser.id == end_user_id).first()
         if not end_user:
             raise NotFound()
 
         # for enterprise webapp auth
         app_web_auth_enabled = False
+        webapp_settings = None
         if system_features.webapp_auth.enabled:
-            app_web_auth_enabled = (
-                EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code=app_code).access_mode != "public"
-            )
+            webapp_settings = EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code=app_code)
+            if not webapp_settings:
+                raise NotFound("Web app settings not found.")
+            app_web_auth_enabled = webapp_settings.access_mode != "public"
 
         _validate_webapp_token(decoded, app_web_auth_enabled, system_features.webapp_auth.enabled)
-        _validate_user_accessibility(decoded, app_code, app_web_auth_enabled, system_features.webapp_auth.enabled)
+        _validate_user_accessibility(
+            decoded, app_code, app_web_auth_enabled, system_features.webapp_auth.enabled, webapp_settings
+        )
 
         return app_model, end_user
     except Unauthorized as e:
         if system_features.webapp_auth.enabled:
+            if not app_code:
+                raise Unauthorized("Please re-login to access the web app.")
             app_web_auth_enabled = (
                 EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code=str(app_code)).access_mode != "public"
             )
             raise Unauthorized("webapp token expired.")
 
 
-def _validate_user_accessibility(decoded, app_code, app_web_auth_enabled: bool, system_webapp_auth_enabled: bool):
+def _validate_user_accessibility(
+    decoded,
+    app_code,
+    app_web_auth_enabled: bool,
+    system_webapp_auth_enabled: bool,
+    webapp_settings: WebAppSettings | None,
+):
     if system_webapp_auth_enabled and app_web_auth_enabled:
         # Check if the user is allowed to access the web app
         user_id = decoded.get("user_id")
         if not user_id:
             raise WebAppAuthRequiredError()
 
-        if not EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(user_id, app_code=app_code):
-            raise WebAppAuthAccessDeniedError()
+        if not webapp_settings:
+            raise WebAppAuthRequiredError("Web app settings not found.")
+
+        if WebAppAuthService.is_app_require_permission_check(access_mode=webapp_settings.access_mode):
+            if not EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(user_id, app_code=app_code):
+                raise WebAppAuthAccessDeniedError()
+
+        auth_type = decoded.get("auth_type")
+        granted_at = decoded.get("granted_at")
+        if not auth_type:
+            raise WebAppAuthAccessDeniedError("Missing auth_type in the token.")
+        if not granted_at:
+            raise WebAppAuthAccessDeniedError("Missing granted_at in the token.")
+        # check if sso has been updated
+        if auth_type == "external":
+            last_update_time = EnterpriseService.get_app_sso_settings_last_update_time()
+            if granted_at and datetime.fromtimestamp(granted_at, tz=UTC) < last_update_time:
+                raise WebAppAuthAccessDeniedError("SSO settings have been updated. Please re-login.")
+        elif auth_type == "internal":
+            last_update_time = EnterpriseService.get_workspace_sso_settings_last_update_time()
+            if granted_at and datetime.fromtimestamp(granted_at, tz=UTC) < last_update_time:
+                raise WebAppAuthAccessDeniedError("SSO settings have been updated. Please re-login.")
 
 
 class WebApiResource(Resource):

api/extensions/ext_login.py

             raise Unauthorized("Invalid Authorization token.")
         decoded = PassportService().verify(auth_token)
         user_id = decoded.get("user_id")
+        source = decoded.get("token_source")
+        if source:
+            raise Unauthorized("Invalid Authorization token.")
         if not user_id:
             raise Unauthorized("Invalid Authorization token.")
 

api/services/app_service.py

         if not site:
             raise ValueError(f"App with id {app_id} not found")
         return str(site.code)
+
+    @staticmethod
+    def get_app_id_by_code(app_code: str) -> str:
+        """
+        Get app id by app code
+        :param app_code: app code
+        :return: app id
+        """
+        site = db.session.query(Site).filter(Site.code == app_code).first()
+        if not site:
+            raise ValueError(f"App with code {app_code} not found")
+        return str(site.app_id)

api/services/enterprise/enterprise_service.py

+from datetime import datetime
+
 from pydantic import BaseModel, Field
 
 from services.enterprise.base import EnterpriseRequest
 
 class WebAppSettings(BaseModel):
     access_mode: str = Field(
-        description="Access mode for the web app. Can be 'public' or 'private'",
+        description="Access mode for the web app. Can be 'public', 'private', 'private_all', 'sso_verified'",
         default="private",
         alias="accessMode",
     )
     def get_workspace_info(cls, tenant_id: str):
         return EnterpriseRequest.send_request("GET", f"/workspace/{tenant_id}/info")
 
+    @classmethod
+    def get_app_sso_settings_last_update_time(cls) -> datetime:
+        data = EnterpriseRequest.send_request("GET", "/sso/app/last-update-time")
+        if not data:
+            raise ValueError("No data found.")
+        try:
+            # parse the UTC timestamp from the response
+            return datetime.fromisoformat(data.replace("Z", "+00:00"))
+        except ValueError as e:
+            raise ValueError(f"Invalid date format: {data}") from e
+
+    @classmethod
+    def get_workspace_sso_settings_last_update_time(cls) -> datetime:
+        data = EnterpriseRequest.send_request("GET", "/sso/workspace/last-update-time")
+        if not data:
+            raise ValueError("No data found.")
+        try:
+            # parse the UTC timestamp from the response
+            return datetime.fromisoformat(data.replace("Z", "+00:00"))
+        except ValueError as e:
+            raise ValueError(f"Invalid date format: {data}") from e
+
     class WebAppAuth:
         @classmethod
         def is_user_allowed_to_access_webapp(cls, user_id: str, app_code: str):

api/services/webapp_auth_service.py

+import enum
 import secrets
 from datetime import UTC, datetime, timedelta
 from typing import Any, Optional, cast
 from werkzeug.exceptions import NotFound, Unauthorized
 
 from configs import dify_config
-from controllers.web.error import WebAppAuthAccessDeniedError
 from extensions.ext_database import db
 from libs.helper import TokenManager
 from libs.passport import PassportService
 from libs.password import compare_password
 from models.account import Account, AccountStatus
 from models.model import App, EndUser, Site
+from services.app_service import AppService
 from services.enterprise.enterprise_service import EnterpriseService
 from services.errors.account import AccountLoginError, AccountNotFoundError, AccountPasswordError
-from services.feature_service import FeatureService
 from tasks.mail_email_code_login import send_email_code_login_mail_task
 
 
+class WebAppAuthType(enum.StrEnum):
+    """Enum for web app authentication types."""
+
+    PUBLIC = "public"
+    INTERNAL = "internal"
+    EXTERNAL = "external"
+
+
 class WebAppAuthService:
     """Service for web app authentication."""
 
     @staticmethod
     def authenticate(email: str, password: str) -> Account:
         """authenticate account with email and password"""
-
-        account = Account.query.filter_by(email=email).first()
+        account = db.session.query(Account).filter_by(email=email).first()
         if not account:
             raise AccountNotFoundError()
 
         return cast(Account, account)
 
     @classmethod
-    def login(cls, account: Account, app_code: str, end_user_id: str) -> str:
-        site = db.session.query(Site).filter(Site.code == app_code).first()
-        if not site:
-            raise NotFound("Site not found.")
-
-        access_token = cls._get_account_jwt_token(account=account, site=site, end_user_id=end_user_id)
+    def login(cls, account: Account) -> str:
+        access_token = cls._get_account_jwt_token(account=account)
 
         return access_token
 
 
         code = "".join([str(secrets.randbelow(exclusive_upper_bound=10)) for _ in range(6)])
         token = TokenManager.generate_token(
-            account=account, email=email, token_type="webapp_email_code_login", additional_data={"code": code}
+            account=account, email=email, token_type="email_code_login", additional_data={"code": code}
         )
         send_email_code_login_mail_task.delay(
             language=language,
 
     @classmethod
     def get_email_code_login_data(cls, token: str) -> Optional[dict[str, Any]]:
-        return TokenManager.get_token_data(token, "webapp_email_code_login")
+        return TokenManager.get_token_data(token, "email_code_login")
 
     @classmethod
     def revoke_email_code_login_token(cls, token: str):
-        TokenManager.revoke_token(token, "webapp_email_code_login")
+        TokenManager.revoke_token(token, "email_code_login")
 
     @classmethod
     def create_end_user(cls, app_code, email) -> EndUser:
         return end_user
 
     @classmethod
-    def _validate_user_accessibility(cls, account: Account, app_code: str):
-        """Check if the user is allowed to access the app."""
-        system_features = FeatureService.get_system_features()
-        if system_features.webapp_auth.enabled:
-            app_settings = EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code=app_code)
-
-            if (
-                app_settings.access_mode != "public"
-                and not EnterpriseService.WebAppAuth.is_user_allowed_to_access_webapp(account.id, app_code=app_code)
-            ):
-                raise WebAppAuthAccessDeniedError()
-
-    @classmethod
-    def _get_account_jwt_token(cls, account: Account, site: Site, end_user_id: str) -> str:
+    def _get_account_jwt_token(cls, account: Account) -> str:
         exp_dt = datetime.now(UTC) + timedelta(hours=dify_config.ACCESS_TOKEN_EXPIRE_MINUTES * 24)
         exp = int(exp_dt.timestamp())
 
         payload = {
-            "iss": site.id,
             "sub": "Web API Passport",
-            "app_id": site.app_id,
-            "app_code": site.code,
             "user_id": account.id,
-            "end_user_id": end_user_id,
-            "token_source": "webapp",
+            "session_id": account.email,
+            "token_source": "webapp_login_token",
+            "auth_type": "internal",
             "exp": exp,
         }
 
         token: str = PassportService().issue(payload)
         return token
+
+    @classmethod
+    def is_app_require_permission_check(
+        cls, app_code: Optional[str] = None, app_id: Optional[str] = None, access_mode: Optional[str] = None
+    ) -> bool:
+        """
+        Check if the app requires permission check based on its access mode.
+        """
+        modes_requiring_permission_check = [
+            "private",
+            "private_all",
+        ]
+        if access_mode:
+            return access_mode in modes_requiring_permission_check
+
+        if not app_code and not app_id:
+            raise ValueError("Either app_code or app_id must be provided.")
+
+        if app_code:
+            app_id = AppService.get_app_id_by_code(app_code)
+        if not app_id:
+            raise ValueError("App ID could not be determined from the provided app_code.")
+
+        webapp_settings = EnterpriseService.WebAppAuth.get_app_access_mode_by_id(app_id)
+        if webapp_settings and webapp_settings.access_mode in modes_requiring_permission_check:
+            return True
+        return False
+
+    @classmethod
+    def get_app_auth_type(cls, app_code: str | None = None, access_mode: str | None = None) -> WebAppAuthType:
+        """
+        Get the authentication type for the app based on its access mode.
+        """
+        if not app_code and not access_mode:
+            raise ValueError("Either app_code or access_mode must be provided.")
+
+        if access_mode:
+            if access_mode == "public":
+                return WebAppAuthType.PUBLIC
+            elif access_mode in ["private", "private_all"]:
+                return WebAppAuthType.INTERNAL
+            elif access_mode == "sso_verified":
+                return WebAppAuthType.EXTERNAL
+
+        if app_code:
+            webapp_settings = EnterpriseService.WebAppAuth.get_app_access_mode_by_code(app_code)
+            return cls.get_app_auth_type(access_mode=webapp_settings.access_mode)
+
+        raise ValueError("Could not determine app authentication type.")