mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-08 18:16:59 +00:00
6091bf044f
One failed because of `null` instead of `[]` in HTTP responses. One failed because we hadn't implemented in-line filter limits!
99 lines
2.7 KiB
Go
99 lines
2.7 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"
|
|
"encoding/json"
|
|
"net/http"
|
|
"strconv"
|
|
"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
|
|
|
|
type filter struct {
|
|
Room struct {
|
|
Timeline struct {
|
|
Limit *int `json:"limit"`
|
|
} `json:"timeline"`
|
|
} `json:"room"`
|
|
}
|
|
|
|
// 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.StreamingToken // 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"
|
|
var since *types.StreamingToken
|
|
sinceStr := req.URL.Query().Get("since")
|
|
if sinceStr != "" {
|
|
tok, err := types.NewStreamTokenFromString(sinceStr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
since = &tok
|
|
}
|
|
timelineLimit := defaultTimelineLimit
|
|
// TODO: read from stored filters too
|
|
filterQuery := req.URL.Query().Get("filter")
|
|
if filterQuery != "" && filterQuery[0] == '{' {
|
|
// attempt to parse the timeline limit at least
|
|
var f filter
|
|
err := json.Unmarshal([]byte(filterQuery), &f)
|
|
if err == nil && f.Room.Timeline.Limit != nil {
|
|
timelineLimit = *f.Room.Timeline.Limit
|
|
}
|
|
}
|
|
// TODO: Additional query params: set_presence, filter
|
|
return &syncRequest{
|
|
ctx: req.Context(),
|
|
device: device,
|
|
timeout: timeout,
|
|
since: since,
|
|
wantFullState: wantFullState,
|
|
limit: timelineLimit,
|
|
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
|
|
}
|