burp-ui/burpui/api/__init__.py
2023-03-19 15:13:01 +01:00

256 lines
8.2 KiB
Python

# -*- coding: utf8 -*-
"""
.. module:: burpui.api
:platform: Unix
:synopsis: Burp-UI api module.
.. moduleauthor:: Ziirish <hi+burpui@ziirish.me>
"""
import hashlib
import os
import sys
import uuid
from functools import wraps
from importlib import import_module
from flask import Blueprint, Response, abort, current_app, g, request, session
from flask_login import current_user
from flask_restx import Api as ApiPlus
from .._compat import to_bytes
from ..config import config
from ..desc import __doc__, __release__, __url__, __version__
from ..engines.server import BUIServer # noqa
from ..exceptions import BUIserverException
from ..tools.logging import logger
bui = current_app # type: BUIServer
EXEMPT_METHODS = set(["OPTIONS"])
def force_refresh():
return request.headers.get("X-No-Cache", False) is not False or getattr(
g, "DONOTCACHE", False
)
def cache_key():
key = "{}-{}-{}-{}-{}-{}".format(
session.get("login", uuid.uuid4()),
request.path,
request.values,
request.headers.get("X-Session-Tag", ""),
request.cookies,
session.get("language", ""),
)
key = hashlib.sha256(to_bytes(key)).hexdigest()
return key
def api_login_required(func):
"""Custom login decorator that is able to parse Basic credentials as well as
Cookies set with the traditional login.
"""
@wraps(func)
def decorated_view(*args, **kwargs):
"""decorator"""
if request.method in EXEMPT_METHODS: # pragma: no cover
return func(*args, **kwargs)
# 'func' is a Flask.view.MethodView so we have access to some special
# params
cls = func.view_class
login_required = getattr(cls, "login_required", True)
if (
bui.auth != "none"
and login_required
and not bui.config.get("LOGIN_DISABLED", False)
):
if not current_user.is_authenticated:
if request.headers.get("X-From-UI", False):
abort(403)
return Response(
"Could not verify your access level for that URL.\n"
"You have to login with proper credentials",
401,
{"WWW-Authenticate": 'Basic realm="Login Required"'},
)
return func(*args, **kwargs)
return decorated_view
def check_acl(func):
"""Custom decorator to check if the ACL are in use or not"""
@wraps(func)
def decorated_view(*args, **kwargs):
if request.method in EXEMPT_METHODS: # pragma: no cover
return func(*args, **kwargs)
# 'func' is a Flask.view.MethodView so we have access to some special
# params
cls = func.view_class
login_required = getattr(cls, "login_required", True)
if (
bui.auth != "none"
and login_required
and not bui.config.get("LOGIN_DISABLED", False)
):
if current_user.is_anonymous:
abort(403)
return func(*args, **kwargs)
return decorated_view
class Api(ApiPlus):
"""Wrapper class around :class:`flask_restx.Api`"""
logger = logger
# TODO: should use global object instead of reference
loaded = False
release = __release__
__doc__ = __doc__
__url__ = __url__
CELERY_REQUIRED = ["tasks"]
def load_all(self):
if config["WITH_LIMIT"]:
try:
from ..ext.limit import limiter
self.decorators.append(limiter.limit(config["BUI_RATIO"]))
except ImportError:
self.logger.warning("Unable to import limiter module")
"""hack to automatically import api modules"""
if not self.loaded:
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
self.loaded = True
for f in os.listdir(__path__[0]):
name, ext = os.path.splitext(f)
if (
os.path.isfile(os.path.join(__path__[0], f))
and ext == ".py"
and name not in ["__init__", ".", ".."]
):
mod = "." + name
if name not in self.CELERY_REQUIRED or config["WITH_CELERY"]:
self.logger.debug("Loading API module: {}".format(mod))
try:
import_module(mod, __name__)
except Exception as exc: # pragma: no cover
self.logger.critical(
"Unable to load {}:\n{}".format(
mod,
exc,
),
exc_info=exc,
stack_info=True,
)
else:
self.logger.warning("Skipping API module: {}".format(mod))
def acl_admin_required(self, message="Access denied", code=403):
def decorator(func):
@wraps(func)
def decorated(resource, *args, **kwargs):
if not current_user.is_anonymous and not current_user.acl.is_admin():
resource.abort(code, message)
return func(resource, *args, **kwargs)
return decorated
return decorator
def acl_admin_or_moderator_required(self, message="Access denied", code=403):
def decorator(func):
@wraps(func)
def decorated(resource, *args, **kwargs):
if (
not current_user.is_anonymous
and not current_user.acl.is_admin()
and not current_user.acl.is_moderator()
):
resource.abort(code, message)
return func(resource, *args, **kwargs)
return decorated
return decorator
def acl_own_or_admin(self, key="name", message="Access denied", code=403):
def decorator(func):
@wraps(func)
def decorated(resource, *args, **kwargs):
if key not in kwargs: # pragma: no cover
resource.abort(500, "key '{}' not found".format(key))
if (
kwargs[key] != current_user.name
and not current_user.is_anonymous
and not current_user.acl.is_admin()
):
resource.abort(code, message)
return func(resource, *args, **kwargs)
return decorated
return decorator
def acl_own_or_admin_or_moderator(
self, key="name", message="Access denied", code=403
):
def decorator(func):
@wraps(func)
def decorated(resource, *args, **kwargs):
if key not in kwargs: # pragma: no cover
resource.abort(500, "key '{}' not found".format(key))
if (
kwargs[key] != current_user.name
and not current_user.is_anonymous
and not current_user.acl.is_admin()
and not current_user.acl.is_moderator()
):
resource.abort(code, message)
return func(resource, *args, **kwargs)
return decorated
return decorator
def disabled_on_demo(self):
def decorator(func):
@wraps(func)
def decorated(resource, *args, **kwargs):
if config["BUI_DEMO"]:
resource.abort(
405, "Sorry, this feature is not available on the demo"
)
return func(resource, *args, **kwargs)
return decorated
return decorator
apibp = Blueprint("api", __name__, url_prefix="/api")
api = Api(
apibp,
title="Burp-UI API",
description="Burp-UI API to interact with burp",
version=__version__,
doc="/doc",
decorators=[api_login_required],
)
@api.errorhandler(BUIserverException)
def handle_bui_server_exception(error):
"""Forward a BUIserverException to the final user
:param error: Custom exception
:type error: :class:`burpui.exceptions.BUIserverException`
"""
bui.logger.error(error)
return {"message": error.description}, error.code