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# -*- coding: utf-8 -*-
# Copyright 2014 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.
"""This module contains REST servlets to do with registration: /register"""
from twisted.internet import defer
from synapse.api.errors import SynapseError, Codes
from synapse.api.constants import LoginType
from base import RestServlet, client_path_pattern
import json
import urllib
class RegisterRestServlet(RestServlet):
PATTERN = client_path_pattern("/register$")
def on_GET(self, request):
return (200, {
"flows": [
{
"type": LoginType.RECAPTCHA,
"stages": ([LoginType.RECAPTCHA, LoginType.EMAIL_IDENTITY,
LoginType.PASSWORD])
},
{
"type": LoginType.RECAPTCHA,
"stages": [LoginType.RECAPTCHA, LoginType.PASSWORD]
},
]
})
@defer.inlineCallbacks
def on_POST(self, request):
register_json = _parse_json(request)
session = (register_json["session"] if "session" in register_json
else None)
try:
login_type = register_json["type"]
stages = {
LoginType.RECAPTCHA: self._do_recaptcha,
LoginType.PASSWORD: self._do_password,
LoginType.EMAIL_IDENTITY: self._do_email_identity
}
session_info = None
if session:
session_info = self._get_session_info(session)
response = yield stages[login_type](register_json, session_info)
defer.returnValue((200, response))
except KeyError:
raise SynapseError(400, "Bad login type.")
desired_user_id = None
password = None
if "password" in register_json:
password = register_json["password"].encode("utf-8")
if ("user_id" in register_json and
type(register_json["user_id"]) == unicode):
desired_user_id = register_json["user_id"].encode("utf-8")
if urllib.quote(desired_user_id) != desired_user_id:
raise SynapseError(
400,
"User ID must only contain characters which do not " +
"require URL encoding.")
threepidCreds = None
if 'threepidCreds' in register_json:
threepidCreds = register_json['threepidCreds']
captcha = {}
if self.hs.config.enable_registration_captcha:
challenge = None
user_response = None
try:
captcha_type = register_json["captcha"]["type"]
if captcha_type != "m.login.recaptcha":
raise SynapseError(400, "Sorry, only m.login.recaptcha " +
"requests are supported.")
challenge = register_json["captcha"]["challenge"]
user_response = register_json["captcha"]["response"]
except KeyError:
raise SynapseError(400, "Captcha response is required",
errcode=Codes.CAPTCHA_NEEDED)
# TODO determine the source IP : May be an X-Forwarding-For header depending on config
ip_addr = request.getClientIP()
if self.hs.config.captcha_ip_origin_is_x_forwarded:
# use the header
if request.requestHeaders.hasHeader("X-Forwarded-For"):
ip_addr = request.requestHeaders.getRawHeaders(
"X-Forwarded-For")[0]
captcha = {
"ip": ip_addr,
"private_key": self.hs.config.recaptcha_private_key,
"challenge": challenge,
"response": user_response
}
handler = self.handlers.registration_handler
(user_id, token) = yield handler.register(
localpart=desired_user_id,
password=password,
threepidCreds=threepidCreds,
captcha_info=captcha)
result = {
"user_id": user_id,
"access_token": token,
"home_server": self.hs.hostname,
}
defer.returnValue(
(200, result)
)
def on_OPTIONS(self, request):
return (200, {})
def _get_session_info(self, session_id):
pass
def _do_recaptcha(self, register_json, session):
pass
def _do_email_identity(self, register_json, session):
pass
def _do_password(self, register_json, session):
pass
def _parse_json(request):
try:
content = json.loads(request.content.read())
if type(content) != dict:
raise SynapseError(400, "Content must be a JSON object.")
return content
except ValueError:
raise SynapseError(400, "Content not JSON.")
def register_servlets(hs, http_server):
RegisterRestServlet(hs).register(http_server)
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