diff --git a/synapse/rest/client/v2_alpha/__init__.py b/synapse/rest/client/v2_alpha/__init__.py
index 7d1aff4307..c3323d2a8a 100644
--- a/synapse/rest/client/v2_alpha/__init__.py
+++ b/synapse/rest/client/v2_alpha/__init__.py
@@ -18,7 +18,8 @@ from . import (
filter,
account,
register,
- auth
+ auth,
+ keys,
)
from synapse.http.server import JsonResource
@@ -38,3 +39,4 @@ class ClientV2AlphaRestResource(JsonResource):
account.register_servlets(hs, client_resource)
register.register_servlets(hs, client_resource)
auth.register_servlets(hs, client_resource)
+ keys.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
new file mode 100644
index 0000000000..f031267751
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -0,0 +1,276 @@
+# -*- 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.errors import SynapseError
+from synapse.http.servlet import RestServlet
+from syutil.jsonutil import encode_canonical_json
+
+from ._base import client_v2_pattern
+
+import simplejson as json
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class KeyUploadServlet(RestServlet):
+ """
+ POST /keys/upload/<device_id> HTTP/1.1
+ Content-Type: application/json
+
+ {
+ "device_keys": {
+ "user_id": "<user_id>",
+ "device_id": "<device_id>",
+ "valid_until_ts": <millisecond_timestamp>,
+ "algorithms": [
+ "m.olm.curve25519-aes-sha256",
+ ]
+ "keys": {
+ "<algorithm>:<device_id>": "<key_base64>",
+ },
+ "signatures:" {
+ "<user_id>" {
+ "<algorithm>:<device_id>": "<signature_base64>"
+ } } },
+ "one_time_keys": {
+ "<algorithm>:<key_id>": "<key_base64>"
+ },
+ }
+ """
+ PATTERN = client_v2_pattern("/keys/upload/(?P<device_id>[^/]*)")
+
+ def __init__(self, hs):
+ super(KeyUploadServlet, self).__init__()
+ self.store = hs.get_datastore()
+ self.clock = hs.get_clock()
+ self.auth = hs.get_auth()
+
+ @defer.inlineCallbacks
+ def on_POST(self, request, device_id):
+ auth_user, client_info = yield self.auth.get_user_by_req(request)
+ user_id = auth_user.to_string()
+ # TODO: Check that the device_id matches that in the authentication
+ # or derive the device_id from the authentication instead.
+ try:
+ body = json.loads(request.content.read())
+ except:
+ raise SynapseError(400, "Invalid key JSON")
+ time_now = self.clock.time_msec()
+
+ # TODO: Validate the JSON to make sure it has the right keys.
+ device_keys = body.get("device_keys", None)
+ if device_keys:
+ logger.info(
+ "Updating device_keys for device %r for user %r at %d",
+ device_id, auth_user, time_now
+ )
+ # TODO: Sign the JSON with the server key
+ yield self.store.set_e2e_device_keys(
+ user_id, device_id, time_now,
+ encode_canonical_json(device_keys)
+ )
+
+ one_time_keys = body.get("one_time_keys", None)
+ if one_time_keys:
+ logger.info(
+ "Adding %d one_time_keys for device %r for user %r at %d",
+ len(one_time_keys), device_id, user_id, time_now
+ )
+ key_list = []
+ for key_id, key_json in one_time_keys.items():
+ algorithm, key_id = key_id.split(":")
+ key_list.append((
+ algorithm, key_id, encode_canonical_json(key_json)
+ ))
+
+ yield self.store.add_e2e_one_time_keys(
+ user_id, device_id, time_now, key_list
+ )
+
+ result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
+ defer.returnValue((200, {"one_time_key_counts": result}))
+
+ @defer.inlineCallbacks
+ def on_GET(self, request, device_id):
+ auth_user, client_info = yield self.auth.get_user_by_req(request)
+ user_id = auth_user.to_string()
+
+ result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
+ defer.returnValue((200, {"one_time_key_counts": result}))
+
+
+class KeyQueryServlet(RestServlet):
+ """
+ GET /keys/query/<user_id> HTTP/1.1
+
+ GET /keys/query/<user_id>/<device_id> HTTP/1.1
+
+ POST /keys/query HTTP/1.1
+ Content-Type: application/json
+ {
+ "device_keys": {
+ "<user_id>": ["<device_id>"]
+ } }
+
+ HTTP/1.1 200 OK
+ {
+ "device_keys": {
+ "<user_id>": {
+ "<device_id>": {
+ "user_id": "<user_id>", // Duplicated to be signed
+ "device_id": "<device_id>", // Duplicated to be signed
+ "valid_until_ts": <millisecond_timestamp>,
+ "algorithms": [ // List of supported algorithms
+ "m.olm.curve25519-aes-sha256",
+ ],
+ "keys": { // Must include a ed25519 signing key
+ "<algorithm>:<key_id>": "<key_base64>",
+ },
+ "signatures:" {
+ // Must be signed with device's ed25519 key
+ "<user_id>/<device_id>": {
+ "<algorithm>:<key_id>": "<signature_base64>"
+ }
+ // Must be signed by this server.
+ "<server_name>": {
+ "<algorithm>:<key_id>": "<signature_base64>"
+ } } } } } }
+ """
+
+ PATTERN = client_v2_pattern(
+ "/keys/query(?:"
+ "/(?P<user_id>[^/]*)(?:"
+ "/(?P<device_id>[^/]*)"
+ ")?"
+ ")?"
+ )
+
+ def __init__(self, hs):
+ super(KeyQueryServlet, self).__init__()
+ self.store = hs.get_datastore()
+ self.auth = hs.get_auth()
+
+ @defer.inlineCallbacks
+ def on_POST(self, request, user_id, device_id):
+ logger.debug("onPOST")
+ yield self.auth.get_user_by_req(request)
+ try:
+ body = json.loads(request.content.read())
+ except:
+ raise SynapseError(400, "Invalid key JSON")
+ query = []
+ for user_id, device_ids in body.get("device_keys", {}).items():
+ if not device_ids:
+ query.append((user_id, None))
+ else:
+ for device_id in device_ids:
+ query.append((user_id, device_id))
+ results = yield self.store.get_e2e_device_keys([(user_id, device_id)])
+ defer.returnValue(self.json_result(request, results))
+
+ @defer.inlineCallbacks
+ def on_GET(self, request, user_id, device_id):
+ auth_user, client_info = yield self.auth.get_user_by_req(request)
+ auth_user_id = auth_user.to_string()
+ if not user_id:
+ user_id = auth_user_id
+ if not device_id:
+ device_id = None
+ # Returns a map of user_id->device_id->json_bytes.
+ results = yield self.store.get_e2e_device_keys([(user_id, device_id)])
+ defer.returnValue(self.json_result(request, results))
+
+ def json_result(self, request, results):
+ json_result = {}
+ for user_id, device_keys in results.items():
+ for device_id, json_bytes in device_keys.items():
+ json_result.setdefault(user_id, {})[device_id] = json.loads(
+ json_bytes
+ )
+ return (200, {"device_keys": json_result})
+
+
+class OneTimeKeyServlet(RestServlet):
+ """
+ GET /keys/take/<user-id>/<device-id>/<algorithm> HTTP/1.1
+
+ POST /keys/take HTTP/1.1
+ {
+ "one_time_keys": {
+ "<user_id>": {
+ "<device_id>": "<algorithm>"
+ } } }
+
+ HTTP/1.1 200 OK
+ {
+ "one_time_keys": {
+ "<user_id>": {
+ "<device_id>": {
+ "<algorithm>:<key_id>": "<key_base64>"
+ } } } }
+
+ """
+ PATTERN = client_v2_pattern(
+ "/keys/take(?:/?|(?:/"
+ "(?P<user_id>[^/]*)/(?P<device_id>[^/]*)/(?P<algorithm>[^/]*)"
+ ")?)"
+ )
+
+ def __init__(self, hs):
+ super(OneTimeKeyServlet, self).__init__()
+ self.store = hs.get_datastore()
+ self.auth = hs.get_auth()
+ self.clock = hs.get_clock()
+
+ @defer.inlineCallbacks
+ def on_GET(self, request, user_id, device_id, algorithm):
+ yield self.auth.get_user_by_req(request)
+ results = yield self.store.take_e2e_one_time_keys(
+ [(user_id, device_id, algorithm)]
+ )
+ defer.returnValue(self.json_result(request, results))
+
+ @defer.inlineCallbacks
+ def on_POST(self, request, user_id, device_id, algorithm):
+ yield self.auth.get_user_by_req(request)
+ try:
+ body = json.loads(request.content.read())
+ except:
+ raise SynapseError(400, "Invalid key JSON")
+ query = []
+ for user_id, device_keys in body.get("one_time_keys", {}).items():
+ for device_id, algorithm in device_keys.items():
+ query.append((user_id, device_id, algorithm))
+ results = yield self.store.take_e2e_one_time_keys(query)
+ defer.returnValue(self.json_result(request, results))
+
+ def json_result(self, request, results):
+ json_result = {}
+ for user_id, device_keys in results.items():
+ for device_id, keys in device_keys.items():
+ for key_id, json_bytes in keys.items():
+ json_result.setdefault(user_id, {})[device_id] = {
+ key_id: json.loads(json_bytes)
+ }
+ return (200, {"one_time_keys": json_result})
+
+
+def register_servlets(hs, http_server):
+ KeyUploadServlet(hs).register(http_server)
+ KeyQueryServlet(hs).register(http_server)
+ OneTimeKeyServlet(hs).register(http_server)
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index c137f47820..e089d81675 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -37,6 +37,7 @@ from .rejections import RejectionsStore
from .state import StateStore
from .signatures import SignatureStore
from .filtering import FilteringStore
+from .end_to_end_keys import EndToEndKeyStore
import fnmatch
@@ -51,7 +52,7 @@ logger = logging.getLogger(__name__)
# Remember to update this number every time a change is made to database
# schema files, so the users will be informed on server restarts.
-SCHEMA_VERSION = 20
+SCHEMA_VERSION = 21
dir_path = os.path.abspath(os.path.dirname(__file__))
@@ -74,6 +75,7 @@ class DataStore(RoomMemberStore, RoomStore,
PushRuleStore,
ApplicationServiceTransactionStore,
EventsStore,
+ EndToEndKeyStore,
):
def __init__(self, hs):
diff --git a/synapse/storage/end_to_end_keys.py b/synapse/storage/end_to_end_keys.py
new file mode 100644
index 0000000000..99dc864e46
--- /dev/null
+++ b/synapse/storage/end_to_end_keys.py
@@ -0,0 +1,125 @@
+# -*- 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 _base import SQLBaseStore
+
+
+class EndToEndKeyStore(SQLBaseStore):
+ def set_e2e_device_keys(self, user_id, device_id, time_now, json_bytes):
+ return self._simple_upsert(
+ table="e2e_device_keys_json",
+ keyvalues={
+ "user_id": user_id,
+ "device_id": device_id,
+ },
+ values={
+ "ts_added_ms": time_now,
+ "key_json": json_bytes,
+ }
+ )
+
+ def get_e2e_device_keys(self, query_list):
+ """Fetch a list of device keys.
+ Args:
+ query_list(list): List of pairs of user_ids and device_ids.
+ Returns:
+ Dict mapping from user-id to dict mapping from device_id to
+ key json byte strings.
+ """
+ def _get_e2e_device_keys(txn):
+ result = {}
+ for user_id, device_id in query_list:
+ user_result = result.setdefault(user_id, {})
+ keyvalues = {"user_id": user_id}
+ if device_id:
+ keyvalues["device_id"] = device_id
+ rows = self._simple_select_list_txn(
+ txn, table="e2e_device_keys_json",
+ keyvalues=keyvalues,
+ retcols=["device_id", "key_json"]
+ )
+ for row in rows:
+ user_result[row["device_id"]] = row["key_json"]
+ return result
+ return self.runInteraction("get_e2e_device_keys", _get_e2e_device_keys)
+
+ def add_e2e_one_time_keys(self, user_id, device_id, time_now, key_list):
+ def _add_e2e_one_time_keys(txn):
+ for (algorithm, key_id, json_bytes) in key_list:
+ self._simple_upsert_txn(
+ txn, table="e2e_one_time_keys_json",
+ keyvalues={
+ "user_id": user_id,
+ "device_id": device_id,
+ "algorithm": algorithm,
+ "key_id": key_id,
+ },
+ values={
+ "ts_added_ms": time_now,
+ "key_json": json_bytes,
+ }
+ )
+ return self.runInteraction(
+ "add_e2e_one_time_keys", _add_e2e_one_time_keys
+ )
+
+ def count_e2e_one_time_keys(self, user_id, device_id):
+ """ Count the number of one time keys the server has for a device
+ Returns:
+ Dict mapping from algorithm to number of keys for that algorithm.
+ """
+ def _count_e2e_one_time_keys(txn):
+ sql = (
+ "SELECT algorithm, COUNT(key_id) FROM e2e_one_time_keys_json"
+ " WHERE user_id = ? AND device_id = ?"
+ " GROUP BY algorithm"
+ )
+ txn.execute(sql, (user_id, device_id))
+ result = {}
+ for algorithm, key_count in txn.fetchall():
+ result[algorithm] = key_count
+ return result
+ return self.runInteraction(
+ "count_e2e_one_time_keys", _count_e2e_one_time_keys
+ )
+
+ def take_e2e_one_time_keys(self, query_list):
+ """Take a list of one time keys out of the database"""
+ def _take_e2e_one_time_keys(txn):
+ sql = (
+ "SELECT key_id, key_json FROM e2e_one_time_keys_json"
+ " WHERE user_id = ? AND device_id = ? AND algorithm = ?"
+ " LIMIT 1"
+ )
+ result = {}
+ delete = []
+ for user_id, device_id, algorithm in query_list:
+ user_result = result.setdefault(user_id, {})
+ device_result = user_result.setdefault(device_id, {})
+ txn.execute(sql, (user_id, device_id, algorithm))
+ for key_id, key_json in txn.fetchall():
+ device_result[algorithm + ":" + key_id] = key_json
+ delete.append((user_id, device_id, algorithm, key_id))
+ sql = (
+ "DELETE FROM e2e_one_time_keys_json"
+ " WHERE user_id = ? AND device_id = ? AND algorithm = ?"
+ " AND key_id = ?"
+ )
+ for user_id, device_id, algorithm, key_id in delete:
+ txn.execute(sql, (user_id, device_id, algorithm, key_id))
+ return result
+ return self.runInteraction(
+ "take_e2e_one_time_keys", _take_e2e_one_time_keys
+ )
diff --git a/synapse/storage/schema/delta/21/end_to_end_keys.sql b/synapse/storage/schema/delta/21/end_to_end_keys.sql
new file mode 100644
index 0000000000..95e27eb7ea
--- /dev/null
+++ b/synapse/storage/schema/delta/21/end_to_end_keys.sql
@@ -0,0 +1,34 @@
+/* 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.
+ */
+
+
+CREATE TABLE IF NOT EXISTS e2e_device_keys_json (
+ user_id TEXT NOT NULL, -- The user these keys are for.
+ device_id TEXT NOT NULL, -- Which of the user's devices these keys are for.
+ ts_added_ms BIGINT NOT NULL, -- When the keys were uploaded.
+ key_json TEXT NOT NULL, -- The keys for the device as a JSON blob.
+ CONSTRAINT uniqueness UNIQUE (user_id, device_id)
+);
+
+
+CREATE TABLE IF NOT EXISTS e2e_one_time_keys_json (
+ user_id TEXT NOT NULL, -- The user this one-time key is for.
+ device_id TEXT NOT NULL, -- The device this one-time key is for.
+ algorithm TEXT NOT NULL, -- Which algorithm this one-time key is for.
+ key_id TEXT NOT NULL, -- An id for suppressing duplicate uploads.
+ ts_added_ms BIGINT NOT NULL, -- When this key was uploaded.
+ key_json TEXT NOT NULL, -- The key as a JSON blob.
+ CONSTRAINT uniqueness UNIQUE (user_id, device_id, algorithm, key_id)
+);
|
