cmdb/cmdb-api/api/lib/perm/authentication/oauth2/routing.py

140 lines
4.9 KiB
Python

# -*- coding:utf-8 -*-
import datetime
import secrets
import uuid
import requests
from flask import Blueprint
from flask import abort
from flask import current_app
from flask import redirect
from flask import request
from flask import session
from flask import url_for
from flask_login import login_user
from flask_login import logout_user
from six.moves.urllib.parse import urlencode
from six.moves.urllib.parse import urlparse
from api.lib.common_setting.common_data import AuthenticateDataCRUD
from api.lib.perm.acl.audit import AuditCRUD
from api.lib.perm.acl.cache import UserCache
from api.lib.perm.acl.resp_format import ErrFormat
blueprint = Blueprint('oauth2', __name__)
@blueprint.route('/api/<string:auth_type>/login')
def login(auth_type):
config = AuthenticateDataCRUD(auth_type.upper()).get()
if request.values.get("next"):
session["next"] = request.values.get("next")
session[f'{auth_type}_state'] = secrets.token_urlsafe(16)
auth_type = auth_type.upper()
redirect_uri = "{}://{}{}".format(urlparse(request.referrer).scheme,
urlparse(request.referrer).netloc,
url_for('oauth2.callback', auth_type=auth_type.lower()))
qs = urlencode({
'client_id': config['client_id'],
'redirect_uri': redirect_uri,
'response_type': current_app.config[f'{auth_type}_RESPONSE_TYPE'],
'scope': ' '.join(config['scopes'] or []),
'state': session[f'{auth_type.lower()}_state'],
})
return redirect("{}?{}".format(config['authorize_url'].split('?')[0], qs))
@blueprint.route('/api/<string:auth_type>/callback')
def callback(auth_type):
auth_type = auth_type.upper()
config = AuthenticateDataCRUD(auth_type).get()
redirect_url = session.get("next") or config.get('after_login') or '/'
if request.values['state'] != session.get(f'{auth_type.lower()}_state'):
return abort(401, "state is invalid")
if 'code' not in request.values:
return abort(401, 'code is invalid')
response = requests.post(config['token_url'], data={
'client_id': config['client_id'],
'client_secret': config['client_secret'],
'code': request.values['code'],
'grant_type': current_app.config[f'{auth_type}_GRANT_TYPE'],
'redirect_uri': url_for('oauth2.callback', auth_type=auth_type.lower(), _external=True),
}, headers={'Accept': 'application/json'})
if response.status_code != 200:
current_app.logger.error(response.text)
return abort(401)
access_token = response.json().get('access_token')
if not access_token:
return abort(401)
response = requests.get(config['user_info']['url'], headers={
'Authorization': 'Bearer {}'.format(access_token),
'Accept': 'application/json',
})
if response.status_code != 200:
return abort(401)
res = response.json()
email = res.get(config['user_info']['email'])
username = res.get(config['user_info']['username'])
avatar = res.get(config['user_info'].get('avatar'))
user = UserCache.get(username)
if user is None:
current_app.logger.info("create user: {}".format(username))
from api.lib.perm.acl.user import UserCRUD
user_dict = dict(username=username, email=email, avatar=avatar)
user_dict['password'] = uuid.uuid4().hex
user = UserCRUD.add(**user_dict)
# log the user in
login_user(user)
from api.lib.perm.acl.acl import ACLManager
user_info = ACLManager.get_user_info(username)
session["acl"] = dict(uid=user_info.get("uid"),
avatar=user.avatar if user else user_info.get("avatar"),
userId=user_info.get("uid"),
rid=user_info.get("rid"),
userName=user_info.get("username"),
nickName=user_info.get("nickname") or user_info.get("username"),
parentRoles=user_info.get("parents"),
childRoles=user_info.get("children"),
roleName=user_info.get("role"))
session["uid"] = user_info.get("uid")
_id = AuditCRUD.add_login_log(username, True, ErrFormat.login_succeed)
session['LOGIN_ID'] = _id
return redirect(redirect_url)
@blueprint.route('/api/<string:auth_type>/logout')
def logout(auth_type):
"acl" in session and session.pop("acl")
"uid" in session and session.pop("uid")
f'{auth_type}_state' in session and session.pop(f'{auth_type}_state')
"next" in session and session.pop("next")
redirect_url = url_for('oauth2.login', auth_type=auth_type, _external=True, next=request.referrer)
logout_user()
current_app.logger.debug('Redirecting to: {0}'.format(redirect_url))
AuditCRUD.add_login_log(None, None, None, _id=session.get('LOGIN_ID'), logout_at=datetime.datetime.now())
return redirect(redirect_url)