diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/api/constants.py | 2 | ||||
| -rw-r--r-- | synapse/config/captcha.py | 7 | ||||
| -rw-r--r-- | synapse/handlers/auth.py | 90 | ||||
| -rw-r--r-- | synapse/handlers/register.py | 11 | ||||
| -rw-r--r-- | synapse/http/client.py | 2 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/__init__.py | 4 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/_base.py | 6 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/register.py | 86 |
8 files changed, 192 insertions, 16 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py index b16bf4247d..3e0ce170a4 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -62,6 +62,8 @@ class LoginType(object): APPLICATION_SERVICE = u"m.login.application_service" SHARED_SECRET = u"org.matrix.login.shared_secret" + HIDDEN_TYPES = [APPLICATION_SERVICE, SHARED_SECRET] + class EventTypes(object): Member = "m.room.member" diff --git a/synapse/config/captcha.py b/synapse/config/captcha.py index 7e21c7414d..07fbfadc0f 100644 --- a/synapse/config/captcha.py +++ b/synapse/config/captcha.py @@ -20,6 +20,7 @@ class CaptchaConfig(Config): def __init__(self, args): super(CaptchaConfig, self).__init__(args) self.recaptcha_private_key = args.recaptcha_private_key + self.recaptcha_public_key = args.recaptcha_public_key self.enable_registration_captcha = args.enable_registration_captcha self.captcha_ip_origin_is_x_forwarded = ( args.captcha_ip_origin_is_x_forwarded @@ -31,8 +32,12 @@ class CaptchaConfig(Config): super(CaptchaConfig, cls).add_arguments(parser) group = parser.add_argument_group("recaptcha") group.add_argument( + "--recaptcha-public-key", type=str, default="YOUR_PUBLIC_KEY", + help="This Home Server's ReCAPTCHA public key." + ) + group.add_argument( "--recaptcha-private-key", type=str, default="YOUR_PRIVATE_KEY", - help="The matching private key for the web client's public key." + help="This Home Server's ReCAPTCHA private key." ) group.add_argument( "--enable-registration-captcha", type=bool, default=False, diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index e4a73da9a7..ec625f4ea8 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -19,9 +19,12 @@ from ._base import BaseHandler from synapse.api.constants import LoginType from synapse.types import UserID from synapse.api.errors import LoginError, Codes +from synapse.http.client import SimpleHttpClient +from twisted.web.client import PartialDownloadError import logging import bcrypt +import simplejson logger = logging.getLogger(__name__) @@ -33,7 +36,7 @@ class AuthHandler(BaseHandler): super(AuthHandler, self).__init__(hs) @defer.inlineCallbacks - def check_auth(self, flows, clientdict): + def check_auth(self, flows, clientdict, clientip=None): """ Takes a dictionary sent by the client in the login / registration protocol and handles the login flow. @@ -50,11 +53,12 @@ class AuthHandler(BaseHandler): login request and should be passed back to the client. """ types = { - LoginType.PASSWORD: self.check_password_auth + LoginType.PASSWORD: self.check_password_auth, + LoginType.RECAPTCHA: self.check_recaptcha, } - if 'auth' not in clientdict: - defer.returnValue((False, auth_dict_for_flows(flows))) + if not clientdict or 'auth' not in clientdict: + defer.returnValue((False, self.auth_dict_for_flows(flows))) authdict = clientdict['auth'] @@ -67,7 +71,7 @@ class AuthHandler(BaseHandler): raise LoginError(400, "", Codes.MISSING_PARAM) if authdict['type'] not in types: raise LoginError(400, "", Codes.UNRECOGNIZED) - result = yield types[authdict['type']](authdict) + result = yield types[authdict['type']](authdict, clientip) if result: creds[authdict['type']] = result @@ -76,12 +80,12 @@ class AuthHandler(BaseHandler): logger.info("Auth completed with creds: %r", creds) defer.returnValue((True, creds)) - ret = auth_dict_for_flows(flows) + ret = self.auth_dict_for_flows(flows) ret['completed'] = creds.keys() defer.returnValue((False, ret)) @defer.inlineCallbacks - def check_password_auth(self, authdict): + def check_password_auth(self, authdict, _): if "user" not in authdict or "password" not in authdict: raise LoginError(400, "", Codes.MISSING_PARAM) @@ -93,17 +97,77 @@ class AuthHandler(BaseHandler): user_info = yield self.store.get_user_by_id(user_id=user) if not user_info: logger.warn("Attempted to login as %s but they do not exist", user) - raise LoginError(403, "", errcode=Codes.FORBIDDEN) + raise LoginError(401, "", errcode=Codes.UNAUTHORIZED) stored_hash = user_info[0]["password_hash"] if bcrypt.checkpw(password, stored_hash): defer.returnValue(user) else: logger.warn("Failed password login for user %s", user) - raise LoginError(403, "", errcode=Codes.FORBIDDEN) + raise LoginError(401, "", errcode=Codes.UNAUTHORIZED) + @defer.inlineCallbacks + def check_recaptcha(self, authdict, clientip): + try: + user_response = authdict["response"] + except KeyError: + # Client tried to provide captcha but didn't give the parameter: + # bad request. + raise LoginError( + 400, "Captcha response is required", + errcode=Codes.CAPTCHA_NEEDED + ) + + logger.info( + "Submitting recaptcha response %s with remoteip %s", + user_response, clientip + ) + + # TODO: get this from the homeserver rather than creating a new one for + # each request + try: + client = SimpleHttpClient(self.hs) + data = yield client.post_urlencoded_get_json( + "https://www.google.com/recaptcha/api/siteverify", + args={ + 'secret': self.hs.config.recaptcha_private_key, + 'response': user_response, + 'remoteip': clientip, + } + ) + except PartialDownloadError as pde: + # Twisted is silly + data = pde.response + resp_body = simplejson.loads(data) + if 'success' in resp_body and resp_body['success']: + defer.returnValue(True) + raise LoginError(401, "", errcode=Codes.UNAUTHORIZED) + + def get_params_recaptcha(self): + return {"public_key": self.hs.config.recaptcha_public_key} + + def auth_dict_for_flows(self, flows): + public_flows = [] + for f in flows: + hidden = False + for stagetype in f: + if stagetype in LoginType.HIDDEN_TYPES: + hidden = True + if not hidden: + public_flows.append(f) + + get_params = { + LoginType.RECAPTCHA: self.get_params_recaptcha, + } + + params = {} + + for f in public_flows: + for stage in f: + if stage in get_params and stage not in params: + params[stage] = get_params[stage]() -def auth_dict_for_flows(flows): - return { - "flows": {"stages": f for f in flows} - } + return { + "flows": [{"stages": f} for f in public_flows], + "params": params + } \ No newline at end of file diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index c25e321099..542759a827 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -157,7 +157,11 @@ class RegistrationHandler(BaseHandler): @defer.inlineCallbacks def check_recaptcha(self, ip, private_key, challenge, response): - """Checks a recaptcha is correct.""" + """ + Checks a recaptcha is correct. + + Used only by c/s api v1 + """ captcha_response = yield self._validate_captcha( ip, @@ -282,6 +286,8 @@ class RegistrationHandler(BaseHandler): def _validate_captcha(self, ip_addr, private_key, challenge, response): """Validates the captcha provided. + Used only by c/s api v1 + Returns: dict: Containing 'valid'(bool) and 'error_url'(str) if invalid. @@ -299,6 +305,9 @@ class RegistrationHandler(BaseHandler): @defer.inlineCallbacks def _submit_captcha(self, ip_addr, private_key, challenge, response): + """ + Used only by c/s api v1 + """ # TODO: get this from the homeserver rather than creating a new one for # each request client = CaptchaServerHttpClient(self.hs) diff --git a/synapse/http/client.py b/synapse/http/client.py index 2ae1c4d3a4..e8a5dedab4 100644 --- a/synapse/http/client.py +++ b/synapse/http/client.py @@ -200,6 +200,8 @@ class CaptchaServerHttpClient(SimpleHttpClient): """ Separate HTTP client for talking to google's captcha servers Only slightly special because accepts partial download responses + + used only by c/s api v1 """ @defer.inlineCallbacks diff --git a/synapse/rest/client/v2_alpha/__init__.py b/synapse/rest/client/v2_alpha/__init__.py index 041f538e20..98189ead26 100644 --- a/synapse/rest/client/v2_alpha/__init__.py +++ b/synapse/rest/client/v2_alpha/__init__.py @@ -16,7 +16,8 @@ from . import ( sync, filter, - password + password, + register ) from synapse.http.server import JsonResource @@ -34,3 +35,4 @@ class ClientV2AlphaRestResource(JsonResource): sync.register_servlets(hs, client_resource) filter.register_servlets(hs, client_resource) password.register_servlets(hs, client_resource) + register.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v2_alpha/_base.py b/synapse/rest/client/v2_alpha/_base.py index c772cc986f..db2c9b244a 100644 --- a/synapse/rest/client/v2_alpha/_base.py +++ b/synapse/rest/client/v2_alpha/_base.py @@ -40,6 +40,12 @@ def client_v2_pattern(path_regex): return re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex) +def parse_request_allow_empty(request): + content = request.content.read() + if content == None or content == '': + return None + return simplejson.loads(content) + def parse_json_dict_from_request(request): try: content = simplejson.loads(request.content.read()) diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py new file mode 100644 index 0000000000..84da010c29 --- /dev/null +++ b/synapse/rest/client/v2_alpha/register.py @@ -0,0 +1,86 @@ +# -*- 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 LoginError, SynapseError, Codes +from synapse.http.servlet import RestServlet + +from ._base import client_v2_pattern, parse_request_allow_empty + +import logging + + +logger = logging.getLogger(__name__) + + +class RegisterRestServlet(RestServlet): + PATTERN = client_v2_pattern("/register") + + def __init__(self, hs): + super(RegisterRestServlet, 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_POST(self, request): + body = parse_request_allow_empty(request) + + authed, result = yield self.auth_handler.check_auth([ + [LoginType.RECAPTCHA], + [LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA], + [LoginType.APPLICATION_SERVICE] + ], body) + + if not authed: + defer.returnValue((401, result)) + + is_application_server = LoginType.APPLICATION_SERVICE in result + is_using_shared_secret = LoginType.SHARED_SECRET in result + + can_register = ( + not self.hs.config.disable_registration + or is_application_server + or is_using_shared_secret + ) + if not can_register: + raise SynapseError(403, "Registration has been disabled") + + if 'username' not in body or 'password' not in body: + raise SynapseError(400, "", Codes.MISSING_PARAM) + desired_username = body['username'] + new_password = body['password'] + + (user_id, token) = yield self.registration_handler.register( + localpart=desired_username, + password=new_password + ) + result = { + "user_id": user_id, + "access_token": token, + "home_server": self.hs.hostname, + } + + defer.returnValue((200, result)) + + def on_OPTIONS(self, _): + return 200, {} + + +def register_servlets(hs, http_server): + RegisterRestServlet(hs).register(http_server) \ No newline at end of file |