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from functools import wraps
from flask import request
from flask_restful import Resource
from werkzeug.exceptions import BadRequest, NotFound, Unauthorized
from controllers.web.error import WebSSOAuthRequiredError
from extensions.ext_database import db
from libs.passport import PassportService
from models.model import App, EndUser, Site
from services.feature_service import FeatureService
def validate_jwt_token(view=None):
def decorator(view):
@wraps(view)
def decorated(*args, **kwargs):
app_model, end_user = decode_jwt_token()
return view(app_model, end_user, *args, **kwargs)
return decorated
if view:
return decorator(view)
return decorator
def decode_jwt_token():
system_features = FeatureService.get_system_features()
try:
auth_header = request.headers.get('Authorization')
if auth_header is None:
raise Unauthorized('Authorization header is missing.')
if ' ' not in auth_header:
raise Unauthorized('Invalid Authorization header format. Expected \'Bearer <api-key>\' format.')
auth_scheme, tk = auth_header.split(None, 1)
auth_scheme = auth_scheme.lower()
if auth_scheme != 'bearer':
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()
site = db.session.query(Site).filter(Site.code == app_code).first()
if not app_model:
raise NotFound()
if not app_code or not site:
raise BadRequest('Site URL is no longer valid.')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()
if not end_user:
raise NotFound()
_validate_web_sso_token(decoded, system_features)
return app_model, end_user
except Unauthorized as e:
if system_features.sso_enforced_for_web:
raise WebSSOAuthRequiredError()
raise Unauthorized(e.description)
def _validate_web_sso_token(decoded, system_features):
# Check if SSO is enforced for web, and if the token source is not SSO, raise an error and redirect to SSO login
if system_features.sso_enforced_for_web:
source = decoded.get('token_source')
if not source or source != 'sso':
raise WebSSOAuthRequiredError()
# Check if SSO is not enforced for web, and if the token source is SSO, raise an error and redirect to normal passport login
if not system_features.sso_enforced_for_web:
source = decoded.get('token_source')
if source and source == 'sso':
raise Unauthorized('sso token expired.')
class WebApiResource(Resource):
method_decorators = [validate_jwt_token]
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