// parseIntoBSO takes JSON and turns into a syncstorage.PutBSOInput
func parseIntoBSO(jsonData json.RawMessage, bso *syncstorage.PutBSOInput) *parseError {
// make sure JSON BSO data *only* has the keys that are allowed
var bkeys map[string]json.RawMessage
err := json.Unmarshal(jsonData, &bkeys)
if err != nil {
return &parseError{field: "-", msg: "Could not parse into object"}
} else {
for k, _ := range bkeys {
switch k {
case "id", "payload", "ttl", "sortindex":
// it's ok
case "modified":
// to pass the python test_meta_global_sanity functional test
default:
return &parseError{field: k, msg: "invalid field"}
}
}
}
var bId string
// check to make sure values are appropriate
if r, ok := bkeys["id"]; ok {
err := json.Unmarshal(r, &bId)
if err != nil {
return &parseError{field: "id", msg: "Invalid format"}
} else {
bso.Id = bId
}
}
if r, ok := bkeys["payload"]; ok {
var payload string
err := json.Unmarshal(r, &payload)
if err != nil {
return &parseError{bId: bId, field: "payload", msg: "Invalid format"}
} else {
bso.Payload = &payload
}
}
if r, ok := bkeys["ttl"]; ok {
var ttl int
err := json.Unmarshal(r, &ttl)
if err != nil {
return &parseError{bId: bId, field: "ttl", msg: "Invalid format"}
} else {
bso.TTL = &ttl
}
}
if r, ok := bkeys["sortindex"]; ok {
var sortindex int
err := json.Unmarshal(r, &sortindex)
if err != nil {
return &parseError{bId: bId, field: "sortindex", msg: "Invalid format"}
} else {
bso.SortIndex = &sortindex
}
}
return nil
}
func (s *SyncUserHandler) hBsoPUT(w http.ResponseWriter, r *http.Request) {
if !AcceptHeaderOk(w, r) {
return
}
// accept text/plain from old (broken) clients
ct := getMediaType(r.Header.Get("Content-Type"))
if ct != "application/json" && ct != "text/plain" && ct != "application/newlines" {
sendRequestProblem(w, r, http.StatusUnsupportedMediaType, errors.Errorf("Not acceptable Content-Type: %s", ct))
return
}
var (
bId string
ok bool
cId int
modified int
err error
)
if bId, ok = extractBsoIdFail(w, r); !ok {
return
}
cId, err = s.getcid(r, true)
if err != nil {
InternalError(w, r, err)
return
}
modified, err = s.db.GetBSOModified(cId, bId)
if err != nil {
if err != syncstorage.ErrNotFound {
InternalError(w, r, errors.Wrap(err, "Could not get Modified ts"))
return
}
}
if sentNotModified(w, r, modified) {
return
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
InternalError(w, r, errors.New("PUT could not read JSON body"))
return
}
var bso syncstorage.PutBSOInput
if err := parseIntoBSO(body, &bso); err != nil {
WeaveInvalidWBOError(w, r, errors.Wrap(err, "Could not parse body into BSO"))
return
}
if bso.Payload != nil && len(*bso.Payload) > s.config.MaxRecordPayloadBytes {
sendRequestProblem(w, r,
http.StatusRequestEntityTooLarge,
errors.New("Payload too big"))
return
}
// change bso.TTL to milliseconds (what the db uses)
// from seconds (what client's send)
if bso.TTL != nil {
tmp := *bso.TTL * 1000
bso.TTL = &tmp
}
modified, err = s.db.PutBSO(cId, bId, bso.Payload, bso.SortIndex, bso.TTL)
if err != nil {
sendRequestProblem(w, r, http.StatusBadRequest, err)
return
}
m := syncstorage.ModifiedToString(modified)
w.Header().Set("Content-Type", "application/json")
w.Header().Set("X-Last-Modified", m)
w.Write([]byte(m))
}
