mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-12 23:01:40 +00:00
29841bed6b
This PR adds a new consumer for typing notifications in syncapi. It also brings changes to syncserver.go and some related files so EDUs can better fit in /sync responses. Fixes #635. Fixes #574.
116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
// Copyright 2017 Vector Creations 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.
|
|
|
|
package sync
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
|
|
|
|
"github.com/matrix-org/dendrite/syncapi/types"
|
|
"github.com/matrix-org/util"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
const defaultSyncTimeout = time.Duration(0)
|
|
const defaultTimelineLimit = 20
|
|
|
|
// syncRequest represents a /sync request, with sensible defaults/sanity checks applied.
|
|
type syncRequest struct {
|
|
ctx context.Context
|
|
device authtypes.Device
|
|
limit int
|
|
timeout time.Duration
|
|
since *types.SyncPosition // nil means that no since token was supplied
|
|
wantFullState bool
|
|
log *log.Entry
|
|
}
|
|
|
|
func newSyncRequest(req *http.Request, device authtypes.Device) (*syncRequest, error) {
|
|
timeout := getTimeout(req.URL.Query().Get("timeout"))
|
|
fullState := req.URL.Query().Get("full_state")
|
|
wantFullState := fullState != "" && fullState != "false"
|
|
since, err := getSyncStreamPosition(req.URL.Query().Get("since"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// TODO: Additional query params: set_presence, filter
|
|
return &syncRequest{
|
|
ctx: req.Context(),
|
|
device: device,
|
|
timeout: timeout,
|
|
since: since,
|
|
wantFullState: wantFullState,
|
|
limit: defaultTimelineLimit, // TODO: read from filter
|
|
log: util.GetLogger(req.Context()),
|
|
}, nil
|
|
}
|
|
|
|
func getTimeout(timeoutMS string) time.Duration {
|
|
if timeoutMS == "" {
|
|
return defaultSyncTimeout
|
|
}
|
|
i, err := strconv.Atoi(timeoutMS)
|
|
if err != nil {
|
|
return defaultSyncTimeout
|
|
}
|
|
return time.Duration(i) * time.Millisecond
|
|
}
|
|
|
|
// getSyncStreamPosition tries to parse a 'since' token taken from the API to a
|
|
// types.SyncPosition. If the string is empty then (nil, nil) is returned.
|
|
// There are two forms of tokens: The full length form containing all PDU and EDU
|
|
// positions separated by "_", and the short form containing only the PDU
|
|
// position. Short form can be used for, e.g., `prev_batch` tokens.
|
|
func getSyncStreamPosition(since string) (*types.SyncPosition, error) {
|
|
if since == "" {
|
|
return nil, nil
|
|
}
|
|
|
|
posStrings := strings.Split(since, "_")
|
|
if len(posStrings) != 2 && len(posStrings) != 1 {
|
|
// A token can either be full length or short (PDU-only).
|
|
return nil, errors.New("malformed batch token")
|
|
}
|
|
|
|
positions := make([]int64, len(posStrings))
|
|
for i, posString := range posStrings {
|
|
pos, err := strconv.ParseInt(posString, 10, 64)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
positions[i] = pos
|
|
}
|
|
|
|
if len(positions) == 2 {
|
|
// Full length token; construct SyncPosition with every entry in
|
|
// `positions`. These entries must have the same order with the fields
|
|
// in struct SyncPosition, so we disable the govet check below.
|
|
return &types.SyncPosition{ //nolint:govet
|
|
positions[0], positions[1],
|
|
}, nil
|
|
} else {
|
|
// Token with PDU position only
|
|
return &types.SyncPosition{
|
|
PDUPosition: positions[0],
|
|
}, nil
|
|
}
|
|
}
|