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Remove need for worker_main_http_uri setting to use /keys/upload. (#14400)

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realtyem 2022-11-16 16:16:25 -06:00 committed by GitHub
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7 changed files with 130 additions and 127 deletions
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1
changelog.d/14400.misc Normal file
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@ -0,0 +1 @@
Remove the `worker_main_http_uri` configuration setting. This is now handled via internal replication.

5
docker/configure_workers_and_start.py
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@ -213,10 +213,7 @@ WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
"listener_resources": ["client", "replication"],
"endpoint_patterns": ["^/_matrix/client/(api/v1|r0|v3|unstable)/keys/upload"],
"shared_extra_conf": {},
"worker_extra_conf": (
"worker_main_http_uri: http://127.0.0.1:%d"
% (MAIN_PROCESS_HTTP_LISTENER_PORT,)
),
"worker_extra_conf": "",
},
"account_data": {
"app": "synapse.app.generic_worker",

5
docs/workers.md
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@ -135,8 +135,8 @@ In the config file for each worker, you must specify:
[`worker_replication_http_port`](usage/configuration/config_documentation.md#worker_replication_http_port)).
* If handling HTTP requests, a [`worker_listeners`](usage/configuration/config_documentation.md#worker_listeners) option
with an `http` listener.
* If handling the `^/_matrix/client/v3/keys/upload` endpoint, the HTTP URI for
the main process (`worker_main_http_uri`).
* **Synapse 1.71 and older:** if handling the `^/_matrix/client/v3/keys/upload` endpoint, the HTTP URI for
the main process (`worker_main_http_uri`). This config option is no longer required and is ignored when running Synapse 1.72 and newer.
For example:
@ -221,7 +221,6 @@ information.
^/_matrix/client/(api/v1|r0|v3|unstable)/search$
# Encryption requests
# Note that ^/_matrix/client/(r0|v3|unstable)/keys/upload/ requires `worker_main_http_uri`
^/_matrix/client/(r0|v3|unstable)/keys/query$
^/_matrix/client/(r0|v3|unstable)/keys/changes$
^/_matrix/client/(r0|v3|unstable)/keys/claim$

103
synapse/app/generic_worker.py
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@ -14,14 +14,12 @@
# limitations under the License.
import logging
import sys
from typing import Dict, List, Optional, Tuple
from typing import Dict, List
from twisted.internet import address
from twisted.web.resource import Resource
import synapse
import synapse.events
from synapse.api.errors import HttpResponseException, RequestSendFailed, SynapseError
from synapse.api.urls import (
CLIENT_API_PREFIX,
FEDERATION_PREFIX,
@ -43,8 +41,6 @@ from synapse.config.logger import setup_logging
from synapse.config.server import ListenerConfig
from synapse.federation.transport.server import TransportLayerServer
from synapse.http.server import JsonResource, OptionsResource
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.http.site import SynapseRequest
from synapse.logging.context import LoggingContext
from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
@ -70,12 +66,12 @@ from synapse.rest.client import (
versions,
voip,
)
from synapse.rest.client._base import client_patterns
from synapse.rest.client.account import ThreepidRestServlet, WhoamiRestServlet
from synapse.rest.client.devices import DevicesRestServlet
from synapse.rest.client.keys import (
KeyChangesServlet,
KeyQueryServlet,
KeyUploadServlet,
OneTimeKeyServlet,
)
from synapse.rest.client.register import (
@ -132,107 +128,12 @@ from synapse.storage.databases.main.transactions import TransactionWorkerStore
from synapse.storage.databases.main.ui_auth import UIAuthWorkerStore
from synapse.storage.databases.main.user_directory import UserDirectoryStore
from synapse.storage.databases.main.user_erasure_store import UserErasureWorkerStore
from synapse.types import JsonDict
from synapse.util import SYNAPSE_VERSION
from synapse.util.httpresourcetree import create_resource_tree
logger = logging.getLogger("synapse.app.generic_worker")
class KeyUploadServlet(RestServlet):
"""An implementation of the `KeyUploadServlet` that responds to read only
requests, but otherwise proxies through to the master instance.
"""
PATTERNS = client_patterns("/keys/upload(/(?P<device_id>[^/]+))?$")
def __init__(self, hs: HomeServer):
"""
Args:
hs: server
"""
super().__init__()
self.auth = hs.get_auth()
self.store = hs.get_datastores().main
self.http_client = hs.get_simple_http_client()
self.main_uri = hs.config.worker.worker_main_http_uri
async def on_POST(
self, request: SynapseRequest, device_id: Optional[str]
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request, allow_guest=True)
user_id = requester.user.to_string()
body = parse_json_object_from_request(request)
if device_id is not None:
# passing the device_id here is deprecated; however, we allow it
# for now for compatibility with older clients.
if requester.device_id is not None and device_id != requester.device_id:
logger.warning(
"Client uploading keys for a different device "
"(logged in as %s, uploading for %s)",
requester.device_id,
device_id,
)
else:
device_id = requester.device_id
if device_id is None:
raise SynapseError(
400, "To upload keys, you must pass device_id when authenticating"
)
if body:
# They're actually trying to upload something, proxy to main synapse.
# Proxy headers from the original request, such as the auth headers
# (in case the access token is there) and the original IP /
# User-Agent of the request.
headers: Dict[bytes, List[bytes]] = {
header: list(request.requestHeaders.getRawHeaders(header, []))
for header in (b"Authorization", b"User-Agent")
}
# Add the previous hop to the X-Forwarded-For header.
x_forwarded_for = list(
request.requestHeaders.getRawHeaders(b"X-Forwarded-For", [])
)
# we use request.client here, since we want the previous hop, not the
# original client (as returned by request.getClientAddress()).
if isinstance(request.client, (address.IPv4Address, address.IPv6Address)):
previous_host = request.client.host.encode("ascii")
# If the header exists, add to the comma-separated list of the first
# instance of the header. Otherwise, generate a new header.
if x_forwarded_for:
x_forwarded_for = [x_forwarded_for[0] + b", " + previous_host]
x_forwarded_for.extend(x_forwarded_for[1:])
else:
x_forwarded_for = [previous_host]
headers[b"X-Forwarded-For"] = x_forwarded_for
# Replicate the original X-Forwarded-Proto header. Note that
# XForwardedForRequest overrides isSecure() to give us the original protocol
# used by the client, as opposed to the protocol used by our upstream proxy
# - which is what we want here.
headers[b"X-Forwarded-Proto"] = [
b"https" if request.isSecure() else b"http"
]
try:
result = await self.http_client.post_json_get_json(
self.main_uri + request.uri.decode("ascii"), body, headers=headers
)
except HttpResponseException as e:
raise e.to_synapse_error() from e
except RequestSendFailed as e:
raise SynapseError(502, "Failed to talk to master") from e
return 200, result
else:
# Just interested in counts.
result = await self.store.count_e2e_one_time_keys(user_id, device_id)
return 200, {"one_time_key_counts": result}
class GenericWorkerSlavedStore(
# FIXME(#3714): We need to add UserDirectoryStore as we write directly
# rather than going via the correct worker.

6
synapse/config/workers.py
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@ -162,7 +162,13 @@ class WorkerConfig(Config):
self.worker_name = config.get("worker_name", self.worker_app)
self.instance_name = self.worker_name or "master"
# FIXME: Remove this check after a suitable amount of time.
self.worker_main_http_uri = config.get("worker_main_http_uri", None)
if self.worker_main_http_uri is not None:
logger.warning(
"The config option worker_main_http_uri is unused since Synapse 1.72. "
"It can be safely removed from your configuration."
)
# This option is really only here to support `--manhole` command line
# argument.

67
synapse/replication/http/devices.py
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@ -18,6 +18,7 @@ from typing import TYPE_CHECKING, Tuple
from twisted.web.server import Request
from synapse.http.server import HttpServer
from synapse.http.servlet import parse_json_object_from_request
from synapse.replication.http._base import ReplicationEndpoint
from synapse.types import JsonDict
@ -78,5 +79,71 @@ class ReplicationUserDevicesResyncRestServlet(ReplicationEndpoint):
return 200, user_devices
class ReplicationUploadKeysForUserRestServlet(ReplicationEndpoint):
"""Ask master to upload keys for the user and send them out over federation to
update other servers.
For now, only the master is permitted to handle key upload requests;
any worker can handle key query requests (since they're read-only).
Calls to e2e_keys_handler.upload_keys_for_user(user_id, device_id, keys) on
the main process to accomplish this.
Defined in https://spec.matrix.org/v1.4/client-server-api/#post_matrixclientv3keysupload
Request format(borrowed and expanded from KeyUploadServlet):
POST /_synapse/replication/upload_keys_for_user
{
"user_id": "<user_id>",
"device_id": "<device_id>",
"keys": {
....this part can be found in KeyUploadServlet in rest/client/keys.py....
}
}
Response is equivalent to ` /_matrix/client/v3/keys/upload` found in KeyUploadServlet
"""
NAME = "upload_keys_for_user"
PATH_ARGS = ()
CACHE = False
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.e2e_keys_handler = hs.get_e2e_keys_handler()
self.store = hs.get_datastores().main
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload( # type: ignore[override]
user_id: str, device_id: str, keys: JsonDict
) -> JsonDict:
return {
"user_id": user_id,
"device_id": device_id,
"keys": keys,
}
async def _handle_request( # type: ignore[override]
self, request: Request
) -> Tuple[int, JsonDict]:
content = parse_json_object_from_request(request)
user_id = content["user_id"]
device_id = content["device_id"]
keys = content["keys"]
results = await self.e2e_keys_handler.upload_keys_for_user(
user_id, device_id, keys
)
return 200, results
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
ReplicationUserDevicesResyncRestServlet(hs).register(http_server)
ReplicationUploadKeysForUserRestServlet(hs).register(http_server)

38
synapse/rest/client/keys.py
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@ -27,6 +27,7 @@ from synapse.http.servlet import (
)
from synapse.http.site import SynapseRequest
from synapse.logging.opentracing import log_kv, set_tag
from synapse.replication.http.devices import ReplicationUploadKeysForUserRestServlet
from synapse.rest.client._base import client_patterns, interactive_auth_handler
from synapse.types import JsonDict, StreamToken
from synapse.util.cancellation import cancellable
@ -56,11 +57,35 @@ class KeyUploadServlet(RestServlet):
"signatures:" {
"<user_id>" {
"<algorithm>:<device_id>": "<signature_base64>"
} } },
}
}
},
"fallback_keys": {
"<algorithm>:<device_id>": "<key_base64>",
"signed_<algorithm>:<device_id>": {
"fallback": true,
"key": "<key_base64>",
"signatures": {
"<user_id>": {
"<algorithm>:<device_id>": "<key_base64>"
}
}
}
}
"one_time_keys": {
"<algorithm>:<key_id>": "<key_base64>"
},
}
response, e.g.:
{
"one_time_key_counts": {
"curve25519": 10,
"signed_curve25519": 20
}
}
"""
PATTERNS = client_patterns("/keys/upload(/(?P<device_id>[^/]+))?$")
@ -71,6 +96,13 @@ class KeyUploadServlet(RestServlet):
self.e2e_keys_handler = hs.get_e2e_keys_handler()
self.device_handler = hs.get_device_handler()
if hs.config.worker.worker_app is None:
# if main process
self.key_uploader = self.e2e_keys_handler.upload_keys_for_user
else:
# then a worker
self.key_uploader = ReplicationUploadKeysForUserRestServlet.make_client(hs)
async def on_POST(
self, request: SynapseRequest, device_id: Optional[str]
) -> Tuple[int, JsonDict]:
@ -109,8 +141,8 @@ class KeyUploadServlet(RestServlet):
400, "To upload keys, you must pass device_id when authenticating"
)
result = await self.e2e_keys_handler.upload_keys_for_user(
user_id, device_id, body
result = await self.key_uploader(
user_id=user_id, device_id=device_id, keys=body
)
return 200, result