mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
192 lines
6.1 KiB
Python
192 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2015, 2016 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.constants import LoginType
|
|
from synapse.api.errors import SynapseError
|
|
from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
|
|
from synapse.http.server import finish_request
|
|
from synapse.http.servlet import RestServlet
|
|
|
|
from ._base import client_v2_patterns
|
|
|
|
import logging
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
RECAPTCHA_TEMPLATE = """
|
|
<html>
|
|
<head>
|
|
<title>Authentication</title>
|
|
<meta name='viewport' content='width=device-width, initial-scale=1,
|
|
user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
|
|
<script src="https://www.google.com/recaptcha/api.js"
|
|
async defer></script>
|
|
<script src="//code.jquery.com/jquery-1.11.2.min.js"></script>
|
|
<link rel="stylesheet" href="/_matrix/static/client/register/style.css">
|
|
<script>
|
|
function captchaDone() {
|
|
$('#registrationForm').submit();
|
|
}
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<form id="registrationForm" method="post" action="%(myurl)s">
|
|
<div>
|
|
<p>
|
|
Hello! We need to prevent computer programs and other automated
|
|
things from creating accounts on this server.
|
|
</p>
|
|
<p>
|
|
Please verify that you're not a robot.
|
|
</p>
|
|
<input type="hidden" name="session" value="%(session)s" />
|
|
<div class="g-recaptcha"
|
|
data-sitekey="%(sitekey)s"
|
|
data-callback="captchaDone">
|
|
</div>
|
|
<noscript>
|
|
<input type="submit" value="All Done" />
|
|
</noscript>
|
|
</div>
|
|
</div>
|
|
</form>
|
|
</body>
|
|
</html>
|
|
"""
|
|
|
|
SUCCESS_TEMPLATE = """
|
|
<html>
|
|
<head>
|
|
<title>Success!</title>
|
|
<meta name='viewport' content='width=device-width, initial-scale=1,
|
|
user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
|
|
<link rel="stylesheet" href="/_matrix/static/client/register/style.css">
|
|
<script>
|
|
if (window.onAuthDone != undefined) {
|
|
window.onAuthDone();
|
|
}
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div>
|
|
<p>Thank you</p>
|
|
<p>You may now close this window and return to the application</p>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
"""
|
|
|
|
|
|
class AuthRestServlet(RestServlet):
|
|
"""
|
|
Handles Client / Server API authentication in any situations where it
|
|
cannot be handled in the normal flow (with requests to the same endpoint).
|
|
Current use is for web fallback auth.
|
|
"""
|
|
PATTERNS = client_v2_patterns("/auth/(?P<stagetype>[\w\.]*)/fallback/web")
|
|
|
|
def __init__(self, hs):
|
|
super(AuthRestServlet, self).__init__()
|
|
self.hs = hs
|
|
self.auth = hs.get_auth()
|
|
self.auth_handler = hs.get_auth_handler()
|
|
self.registration_handler = hs.get_handlers().registration_handler
|
|
|
|
@defer.inlineCallbacks
|
|
def on_GET(self, request, stagetype):
|
|
yield
|
|
if stagetype == LoginType.RECAPTCHA:
|
|
if ('session' not in request.args or
|
|
len(request.args['session']) == 0):
|
|
raise SynapseError(400, "No session supplied")
|
|
|
|
session = request.args["session"][0]
|
|
|
|
html = RECAPTCHA_TEMPLATE % {
|
|
'session': session,
|
|
'myurl': "%s/auth/%s/fallback/web" % (
|
|
CLIENT_V2_ALPHA_PREFIX, LoginType.RECAPTCHA
|
|
),
|
|
'sitekey': self.hs.config.recaptcha_public_key,
|
|
}
|
|
html_bytes = html.encode("utf8")
|
|
request.setResponseCode(200)
|
|
request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
|
|
request.setHeader(b"Server", self.hs.version_string)
|
|
request.setHeader(b"Content-Length", b"%d" % (len(html_bytes),))
|
|
|
|
request.write(html_bytes)
|
|
finish_request(request)
|
|
defer.returnValue(None)
|
|
else:
|
|
raise SynapseError(404, "Unknown auth stage type")
|
|
|
|
@defer.inlineCallbacks
|
|
def on_POST(self, request, stagetype):
|
|
yield
|
|
if stagetype == "m.login.recaptcha":
|
|
if ('g-recaptcha-response' not in request.args or
|
|
len(request.args['g-recaptcha-response'])) == 0:
|
|
raise SynapseError(400, "No captcha response supplied")
|
|
if ('session' not in request.args or
|
|
len(request.args['session'])) == 0:
|
|
raise SynapseError(400, "No session supplied")
|
|
|
|
session = request.args['session'][0]
|
|
|
|
authdict = {
|
|
'response': request.args['g-recaptcha-response'][0],
|
|
'session': session,
|
|
}
|
|
|
|
success = yield self.auth_handler.add_oob_auth(
|
|
LoginType.RECAPTCHA,
|
|
authdict,
|
|
self.hs.get_ip_from_request(request)
|
|
)
|
|
|
|
if success:
|
|
html = SUCCESS_TEMPLATE
|
|
else:
|
|
html = RECAPTCHA_TEMPLATE % {
|
|
'session': session,
|
|
'myurl': "%s/auth/%s/fallback/web" % (
|
|
CLIENT_V2_ALPHA_PREFIX, LoginType.RECAPTCHA
|
|
),
|
|
'sitekey': self.hs.config.recaptcha_public_key,
|
|
}
|
|
html_bytes = html.encode("utf8")
|
|
request.setResponseCode(200)
|
|
request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
|
|
request.setHeader(b"Server", self.hs.version_string)
|
|
request.setHeader(b"Content-Length", b"%d" % (len(html_bytes),))
|
|
|
|
request.write(html_bytes)
|
|
finish_request(request)
|
|
|
|
defer.returnValue(None)
|
|
else:
|
|
raise SynapseError(404, "Unknown auth stage type")
|
|
|
|
def on_OPTIONS(self, _):
|
|
return 200, {}
|
|
|
|
|
|
def register_servlets(hs, http_server):
|
|
AuthRestServlet(hs).register(http_server)
|