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import uuid
from flask import request
from flask_restful import Resource
from werkzeug.exceptions import NotFound, Unauthorized
from controllers.web import api
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
class PassportResource(Resource):
"""Base resource for passport."""
def get(self):
system_features = FeatureService.get_system_features()
if system_features.sso_enforced_for_web:
raise WebSSOAuthRequiredError()
app_code = request.headers.get('X-App-Code')
if app_code is None:
raise Unauthorized('X-App-Code header is missing.')
# get site from db and check if it is normal
site = db.session.query(Site).filter(
Site.code == app_code,
Site.status == 'normal'
).first()
if not site:
raise NotFound()
# get app from db and check if it is normal and enable_site
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()
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': app_code,
'end_user_id': end_user.id,
}
tk = PassportService().issue(payload)
return {
'access_token': tk,
}
api.add_resource(PassportResource, '/passport')
def generate_session_id():
"""
Generate a unique session ID.
"""
while True:
session_id = str(uuid.uuid4())
existing_count = db.session.query(EndUser) \
.filter(EndUser.session_id == session_id).count()
if existing_count == 0:
return session_id
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