diff --git a/synapse/rest/client/v2_alpha/__init__.py b/synapse/rest/client/v2_alpha/__init__.py
index 98189ead26..86e4bc729e 100644
--- a/synapse/rest/client/v2_alpha/__init__.py
+++ b/synapse/rest/client/v2_alpha/__init__.py
@@ -17,7 +17,8 @@ from . import (
sync,
filter,
password,
- register
+ register,
+ auth
)
from synapse.http.server import JsonResource
@@ -36,3 +37,4 @@ class ClientV2AlphaRestResource(JsonResource):
filter.register_servlets(hs, client_resource)
password.register_servlets(hs, client_resource)
register.register_servlets(hs, client_resource)
+ auth.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
new file mode 100644
index 0000000000..7a518e226f
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -0,0 +1,189 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015 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.servlet import RestServlet
+
+from ._base import client_v2_pattern
+
+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.
+ """
+ PATTERN = client_v2_pattern("/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_handlers().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)
+ request.finish()
+ 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)
+ request.finish()
+
+ 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)
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 4a53e03743..537918ea27 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -45,7 +45,7 @@ class RegisterRestServlet(RestServlet):
[LoginType.RECAPTCHA],
[LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA],
[LoginType.APPLICATION_SERVICE]
- ], body)
+ ], body, self.hs.get_ip_from_request(request))
if not authed:
defer.returnValue((401, result))
|