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https://github.com/1f349/dendrite.git
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7120eb6bc9
* Add `InputDeviceListUpdate` to the keyserver, remove old input API * Fix copyright * Log more information when a device list update fails
83 lines
2.7 KiB
Go
83 lines
2.7 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package consumers
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import (
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"context"
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"encoding/json"
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"github.com/matrix-org/dendrite/keyserver/internal"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/setup/process"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/nats-io/nats.go"
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"github.com/sirupsen/logrus"
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)
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// DeviceListUpdateConsumer consumes device list updates that came in over federation.
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type DeviceListUpdateConsumer struct {
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ctx context.Context
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jetstream nats.JetStreamContext
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durable string
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topic string
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updater *internal.DeviceListUpdater
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}
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// NewDeviceListUpdateConsumer creates a new DeviceListConsumer. Call Start() to begin consuming from key servers.
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func NewDeviceListUpdateConsumer(
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process *process.ProcessContext,
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cfg *config.KeyServer,
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js nats.JetStreamContext,
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updater *internal.DeviceListUpdater,
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) *DeviceListUpdateConsumer {
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return &DeviceListUpdateConsumer{
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ctx: process.Context(),
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jetstream: js,
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durable: cfg.Matrix.JetStream.Prefixed("KeyServerInputDeviceListConsumer"),
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topic: cfg.Matrix.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
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updater: updater,
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}
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}
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// Start consuming from key servers
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func (t *DeviceListUpdateConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called in response to a message received on the
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// key change events topic from the key server.
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func (t *DeviceListUpdateConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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var m gomatrixserverlib.DeviceListUpdateEvent
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if err := json.Unmarshal(msg.Data, &m); err != nil {
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logrus.WithError(err).Errorf("Failed to read from device list update input topic")
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return true
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}
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err := t.updater.Update(ctx, m)
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if err != nil {
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logrus.WithFields(logrus.Fields{
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"user_id": m.UserID,
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"device_id": m.DeviceID,
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"stream_id": m.StreamID,
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"prev_id": m.PrevID,
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}).WithError(err).Errorf("Failed to update device list")
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return false
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}
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return true
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}
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