dify / api /controllers /web /passport.py
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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.enterprise.enterprise_service import EnterpriseService
from services.feature_service import FeatureService
class PassportResource(Resource):
"""Base resource for passport."""
def get(self):
system_features = FeatureService.get_system_features()
app_code = request.headers.get("X-App-Code")
if app_code is None:
raise Unauthorized("X-App-Code header is missing.")
if system_features.sso_enforced_for_web:
app_web_sso_enabled = EnterpriseService.get_app_web_sso_enabled(app_code).get("enabled", False)
if app_web_sso_enabled:
raise WebSSOAuthRequiredError()
# 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