feat(api): support OAuth2.0 and OIDC authentication, it has been tested with casdoor

feat(api): support OAuth2.0 and OIDC authentication, it has been tested with casdoor
This commit is contained in:
pycook 2023-12-12 20:29:57 +08:00 committed by GitHub
parent b84d5d717e
commit 093065551b
10 changed files with 340 additions and 10 deletions

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@ -19,7 +19,9 @@ from flask.json.provider import DefaultJSONProvider
import api.views.entry
from api.extensions import (bcrypt, cache, celery, cors, db, es, login_manager, migrate, rd)
from api.extensions import inner_secrets
from api.flask_cas import CAS
from api.lib.perm.authentication.cas import CAS
from api.lib.perm.authentication.oauth2 import OAuth2
from api.lib.perm.authentication.oidc import OIDC
from api.lib.secrets.secrets import InnerKVManger
from api.models.acl import User
@ -96,6 +98,8 @@ def create_app(config_object="settings"):
register_shell_context(app)
register_commands(app)
CAS(app)
OIDC(app)
OAuth2(app)
app.wsgi_app = ReverseProxy(app.wsgi_app)
configure_upload_dir(app)

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@ -0,0 +1 @@
# -*- coding:utf-8 -*-

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@ -15,7 +15,7 @@ try:
except ImportError:
from flask import _request_ctx_stack as stack
from api.flask_cas import routing
from . import routing
class CAS(object):

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@ -3,8 +3,13 @@ import uuid
import bs4
from flask import Blueprint
from flask import current_app, session, request, url_for, redirect
from flask_login import login_user, logout_user
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_request import urlopen
from api.lib.perm.acl.cache import UserCache
@ -15,7 +20,8 @@ from .cas_urls import create_cas_validate_url
blueprint = Blueprint('cas', __name__)
@blueprint.route('/api/sso/login')
@blueprint.route('/api/cas/login')
# @blueprint.route('/api/sso/login')
def login():
"""
This route has two purposes. First, it is used by the user
@ -63,7 +69,8 @@ def login():
return redirect(redirect_url)
@blueprint.route('/api/sso/logout')
@blueprint.route('/api/cas/logout')
# @blueprint.route('/api/sso/logout')
def logout():
"""
When the user accesses this route they are logged out.

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@ -0,0 +1,26 @@
# -*- coding:utf-8 -*-
from flask import current_app
from . import routing
class OAuth2(object):
def __init__(self, app=None, url_prefix=None):
self._app = app
if app is not None:
self.init_app(app, url_prefix)
@staticmethod
def init_app(app, url_prefix=None):
# Configuration defaults
app.config.setdefault('OAUTH2_GRANT_TYPE', 'authorization_code')
app.config.setdefault('OAUTH2_RESPONSE_TYPE', 'code')
app.config.setdefault('OAUTH2_AFTER_LOGIN', '/')
# Register Blueprint
app.register_blueprint(routing.blueprint, url_prefix=url_prefix)
@property
def app(self):
return self._app or current_app

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@ -0,0 +1,118 @@
# -*- coding:utf-8 -*-
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, logout_user
from six.moves.urllib.parse import urlencode
from api.lib.perm.acl.cache import UserCache
blueprint = Blueprint('oauth2', __name__)
@blueprint.route('/api/oauth2/login')
@blueprint.route('/api/sso/login')
def login():
if request.values.get("next"):
session["next"] = request.values.get("next")
session['oauth2_state'] = secrets.token_urlsafe(16)
qs = urlencode({
'client_id': current_app.config['OAUTH2_CLIENT_ID'],
'redirect_uri': url_for('oauth2.callback', _external=True),
'response_type': current_app.config['OAUTH2_RESPONSE_TYPE'],
'scope': ' '.join(current_app.config['OAUTH2_SCOPES'] or []),
'state': session['oauth2_state'],
})
return redirect("{}?{}".format(current_app.config['OAUTH2_AUTHORIZE_URL'].split('?')[0], qs))
@blueprint.route('/api/oauth2/callback')
def callback():
redirect_url = session.get("next") or current_app.config.get("OAUTH2_AFTER_LOGIN")
if request.values['state'] != session.get('oauth2_state'):
return abort(401, "state is invalid")
if 'code' not in request.values:
return abort(401, 'code is invalid')
response = requests.post(current_app.config['OAUTH2_TOKEN_URL'], data={
'client_id': current_app.config['OAUTH2_CLIENT_ID'],
'client_secret': current_app.config['OAUTH2_CLIENT_SECRET'],
'code': request.values['code'],
'grant_type': current_app.config['OAUTH2_GRANT_TYPE'],
'redirect_uri': url_for('oauth2.callback', _external=True),
}, headers={'Accept': 'application/json'})
if response.status_code != 200:
current_app.logger.error(response.text)
return abort(401)
oauth2_token = response.json().get('access_token')
if not oauth2_token:
return abort(401)
response = requests.get(current_app.config['OAUTH2_USER_INFO']['url'], headers={
'Authorization': 'Bearer {}'.format(oauth2_token),
'Accept': 'application/json',
})
if response.status_code != 200:
return abort(401)
email = current_app.config['OAUTH2_USER_INFO']['email'](response.json())
username = current_app.config['OAUTH2_USER_INFO']['username'](response.json())
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)
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")
return redirect(redirect_url)
@blueprint.route('/api/oauth2/logout')
@blueprint.route('/api/sso/logout')
def logout():
"acl" in session and session.pop("acl")
"uid" in session and session.pop("uid")
'oauth2_state' in session and session.pop('oauth2_state')
"next" in session and session.pop("next")
redirect_url = url_for('oauth2.login', _external=True, next=request.referrer)
logout_user()
current_app.logger.debug('Redirecting to: {0}'.format(redirect_url))
return redirect(redirect_url)

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@ -0,0 +1,25 @@
# -*- coding:utf-8 -*-
from flask import current_app
from . import routing
class OIDC(object):
def __init__(self, app=None, url_prefix=None):
self._app = app
if app is not None:
self.init_app(app, url_prefix)
@staticmethod
def init_app(app, url_prefix=None):
# Configuration defaults
app.config.setdefault('OIDC_GRANT_TYPE', 'authorization_code')
app.config.setdefault('OIDC_RESPONSE_TYPE', 'code')
app.config.setdefault('OIDC_AFTER_LOGIN', '/')
# Register Blueprint
app.register_blueprint(routing.blueprint, url_prefix=url_prefix)
@property
def app(self):
return self._app or current_app

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@ -0,0 +1,118 @@
# -*- coding:utf-8 -*-
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, logout_user
from six.moves.urllib.parse import urlencode
from api.lib.perm.acl.cache import UserCache
blueprint = Blueprint('oidc', __name__)
@blueprint.route('/api/oidc/login')
@blueprint.route('/api/sso/login')
def login():
if request.values.get("next"):
session["next"] = request.values.get("next")
session['oidc_state'] = secrets.token_urlsafe(16)
qs = urlencode({
'client_id': current_app.config['OIDC_CLIENT_ID'],
'redirect_uri': url_for('oidc.callback', _external=True),
'response_type': current_app.config['OIDC_RESPONSE_TYPE'],
'scope': ' '.join(current_app.config['OIDC_SCOPES'] or []),
'state': session['oidc_state'],
})
return redirect("{}?{}".format(current_app.config['OIDC_AUTHORIZE_URL'].split('?')[0], qs))
@blueprint.route('/api/oidc/callback')
def callback():
redirect_url = session.get("next") or current_app.config.get("OIDC_AFTER_LOGIN")
if request.values['state'] != session.get('oidc_state'):
return abort(401, "state is invalid")
if 'code' not in request.values:
return abort(401, 'code is invalid')
response = requests.post(current_app.config['OIDC_TOKEN_URL'], data={
'client_id': current_app.config['OIDC_CLIENT_ID'],
'client_secret': current_app.config['OIDC_CLIENT_SECRET'],
'code': request.values['code'],
'grant_type': current_app.config['OIDC_GRANT_TYPE'],
'redirect_uri': url_for('oidc.callback', _external=True),
}, headers={'Accept': 'application/json'})
if response.status_code != 200:
current_app.logger.error(response.text)
return abort(401)
oidc_token = response.json().get('access_token')
if not oidc_token:
return abort(401)
response = requests.get(current_app.config['OIDC_USER_INFO']['url'], headers={
'Authorization': 'Bearer {}'.format(oidc_token),
'Accept': 'application/json',
})
if response.status_code != 200:
return abort(401)
email = current_app.config['OIDC_USER_INFO']['email'](response.json())
username = current_app.config['OIDC_USER_INFO']['username'](response.json())
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)
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")
return redirect(redirect_url)
@blueprint.route('/api/oidc/logout')
@blueprint.route('/api/sso/logout')
def logout():
"acl" in session and session.pop("acl")
"uid" in session and session.pop("uid")
'oidc_state' in session and session.pop('oidc_state')
"next" in session and session.pop("next")
redirect_url = url_for('oidc.login', _external=True, next=request.referrer)
logout_user()
current_app.logger.debug('Redirecting to: {0}'.format(redirect_url))
return redirect(redirect_url)

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@ -67,10 +67,12 @@ ONCE = {
}
}
# # SSO
# =============================== Authentication ===========================================================
# # CAS
AUTH_WITH_CAS = False
CAS_SERVER = "http://sso.xxx.com"
CAS_VALIDATE_SERVER = "http://sso.xxx.com"
CAS_SERVER = "https://{your-casdoor-hostname}"
CAS_VALIDATE_SERVER = "https://{your-casdoor-hostname}"
CAS_LOGIN_ROUTE = "/cas/built-in/cas/login"
CAS_LOGOUT_ROUTE = "/cas/built-in/cas/logout"
CAS_VALIDATE_ROUTE = "/cas/built-in/cas/serviceValidate"
@ -83,11 +85,40 @@ CAS_USER_MAP = {
"avatar": {"tag": "cas:attribute", "attrs": {"name": "avatar"}},
}
# # ldap
# # OAuth2.0
AUTH_WITH_OAUTH2 = False
OAUTH2_CLIENT_ID = ""
OAUTH2_CLIENT_SECRET = ""
OAUTH2_AUTHORIZE_URL = "https://{your-casdoor-hostname}/login/oauth/authorize"
OAUTH2_TOKEN_URL = "https://{your-casdoor-hostname}/api/login/oauth/access_token"
OAUTH2_USER_INFO = {
"url": "https://{your-casdoor-hostname}/api/userinfo",
"email": lambda x: x['email'],
"username": lambda x: x['name']
}
OAUTH2_SCOPES = ["profile email"]
OAUTH2_AFTER_LOGIN = "/"
# # OIDC
AUTH_WITH_OIDC = False
OIDC_CLIENT_ID = ""
OIDC_CLIENT_SECRET = ""
OIDC_AUTHORIZE_URL = "https://{your-casdoor-hostname}/login/oauth/authorize"
OIDC_TOKEN_URL = "https://{your-casdoor-hostname}/api/login/oauth/access_token"
OIDC_USER_INFO = {
"url": "https://{your-casdoor-hostname}/api/userinfo",
"email": lambda x: x['email'],
"username": lambda x: x['name']
}
OIDC_SCOPES = ["openid profile email"]
OIDC_AFTER_LOGIN = "/"
# # LDAP
AUTH_WITH_LDAP = False
LDAP_SERVER = ''
LDAP_DOMAIN = ''
LDAP_USER_DN = 'cn={},ou=users,dc=xxx,dc=com'
# ==========================================================================================================
# # pagination
DEFAULT_PAGE_COUNT = 50