Implement password changing (finally) along with a start on making client/server auth more general.

synapse/rest/client/v2_alpha/__init__.py

@@ -15,7 +15,8 @@
 
 from . import (
     sync,
-    filter
+    filter,
+    password
 )
 
 from synapse.http.server import JsonResource
@@ -32,3 +33,4 @@ class ClientV2AlphaRestResource(JsonResource):
     def register_servlets(client_resource, hs):
         sync.register_servlets(hs, client_resource)
         filter.register_servlets(hs, client_resource)
+        password.register_servlets(hs, client_resource)

synapse/rest/client/v2_alpha/_base.py

@@ -17,9 +17,11 @@
 """
 
 from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
+from synapse.api.errors import SynapseError
 import re
 
 import logging
+import simplejson
 
 
 logger = logging.getLogger(__name__)
@@ -36,3 +38,13 @@ def client_v2_pattern(path_regex):
         SRE_Pattern
     """
     return re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex)
+
+
+def parse_json_dict_from_request(request):
+    try:
+        content = simplejson.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.")
+        return content
+    except simplejson.JSONDecodeError:
+        raise SynapseError(400, "Content not JSON.")

synapse/rest/client/v2_alpha/password.py

@@ -0,0 +1,76 @@
+# -*- 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_json_dict_from_request
+
+import simplejson as json
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class PasswordRestServlet(RestServlet):
+    PATTERN = client_v2_pattern("/account/password")
+
+    def __init__(self, hs):
+        super(PasswordRestServlet, self).__init__()
+        self.hs = hs
+        self.auth = hs.get_auth()
+        self.auth_handler = hs.get_handlers().auth_handler
+        self.login_handler = hs.get_handlers().login_handler
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        body = parse_json_dict_from_request(request)
+
+        authed, result = yield self.auth_handler.check_auth([
+            [LoginType.PASSWORD]
+        ], body)
+
+        if not authed:
+            defer.returnValue((401, result))
+
+        auth_user = None
+
+        if LoginType.PASSWORD in result:
+            # if using password, they should also be logged in
+            auth_user, client = yield self.auth.get_user_by_req(request)
+            if auth_user.to_string() != result[LoginType.PASSWORD]:
+                raise LoginError(400, "", Codes.UNKNOWN)
+        else:
+            logger.error("Auth succeeded but no known type!", result.keys())
+            raise SynapseError(500, "", Codes.UNKNOWN)
+
+        user_id = auth_user.to_string()
+
+        if 'new_password' not in body:
+            raise SynapseError(400, "", Codes.MISSING_PARAM)
+        new_password = body['new_password']
+
+        self.login_handler.set_password(
+            user_id, new_password, client.token_id
+        )
+
+        defer.returnValue((200, {}))
+
+def register_servlets(hs, http_server):
+    PasswordRestServlet(hs).register(http_server)