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Device list display name fixes (#2405)

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* Get device names from `unsigned` in `/user/devices`

* Fix display name updates

* Fix bug

* Fix another bug
This commit is contained in:
Neil Alexander 2022-04-29 16:02:55 +01:00 committed by GitHub
parent d28d0ee66e
commit 31799a3b2a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 54 additions and 49 deletions
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8
federationapi/routing/devices.go
View File

@ -20,6 +20,7 @@ import (
keyapi "github.com/matrix-org/dendrite/keyserver/api" keyapi "github.com/matrix-org/dendrite/keyserver/api"
"github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util" "github.com/matrix-org/util"
"github.com/tidwall/gjson"
) )
// GetUserDevices for the given user id // GetUserDevices for the given user id
@ -69,9 +70,14 @@ func GetUserDevices(
continue continue
} }
displayName := dev.DisplayName
if displayName == "" {
displayName = gjson.GetBytes(dev.DeviceKeys.KeyJSON, "unsigned.device_display_name").Str
}
device := gomatrixserverlib.RespUserDevice{ device := gomatrixserverlib.RespUserDevice{
DeviceID: dev.DeviceID, DeviceID: dev.DeviceID,
DisplayName: dev.DisplayName, DisplayName: displayName,
Keys: key, Keys: key,
} }

95
keyserver/internal/internal.go
View File

@ -632,43 +632,55 @@ func (a *KeyInternalAPI) uploadLocalDeviceKeys(ctx context.Context, req *api.Per
} }
var keysToStore []api.DeviceMessage var keysToStore []api.DeviceMessage
// assert that the user ID / device ID are not lying for each key
for _, key := range req.DeviceKeys {
var serverName gomatrixserverlib.ServerName
_, serverName, err = gomatrixserverlib.SplitID('@', key.UserID)
if err != nil {
continue // ignore invalid users
}
if serverName != a.ThisServer {
continue // ignore remote users
}
if len(key.KeyJSON) == 0 {
keysToStore = append(keysToStore, key.WithStreamID(0))
continue // deleted keys don't need sanity checking
}
// check that the device in question actually exists in the user
// API before we try and store a key for it
if _, ok := existingDeviceMap[key.DeviceID]; !ok {
continue
}
gotUserID := gjson.GetBytes(key.KeyJSON, "user_id").Str
gotDeviceID := gjson.GetBytes(key.KeyJSON, "device_id").Str
if gotUserID == key.UserID && gotDeviceID == key.DeviceID {
keysToStore = append(keysToStore, key.WithStreamID(0))
continue
}
res.KeyError(key.UserID, key.DeviceID, &api.KeyError{
Err: fmt.Sprintf(
"user_id or device_id mismatch: users: %s - %s, devices: %s - %s",
gotUserID, key.UserID, gotDeviceID, key.DeviceID,
),
})
}
if req.OnlyDisplayNameUpdates { if req.OnlyDisplayNameUpdates {
// add the display name field from keysToStore into existingKeys for _, existingKey := range existingKeys {
keysToStore = appendDisplayNames(existingKeys, keysToStore) for _, newKey := range req.DeviceKeys {
switch {
case existingKey.UserID != newKey.UserID:
continue
case existingKey.DeviceID != newKey.DeviceID:
continue
case existingKey.DisplayName != newKey.DisplayName:
existingKey.DisplayName = newKey.DisplayName
}
}
keysToStore = append(keysToStore, existingKey)
}
} else {
// assert that the user ID / device ID are not lying for each key
for _, key := range req.DeviceKeys {
var serverName gomatrixserverlib.ServerName
_, serverName, err = gomatrixserverlib.SplitID('@', key.UserID)
if err != nil {
continue // ignore invalid users
}
if serverName != a.ThisServer {
continue // ignore remote users
}
if len(key.KeyJSON) == 0 {
keysToStore = append(keysToStore, key.WithStreamID(0))
continue // deleted keys don't need sanity checking
}
// check that the device in question actually exists in the user
// API before we try and store a key for it
if _, ok := existingDeviceMap[key.DeviceID]; !ok {
continue
}
gotUserID := gjson.GetBytes(key.KeyJSON, "user_id").Str
gotDeviceID := gjson.GetBytes(key.KeyJSON, "device_id").Str
if gotUserID == key.UserID && gotDeviceID == key.DeviceID {
keysToStore = append(keysToStore, key.WithStreamID(0))
continue
}
res.KeyError(key.UserID, key.DeviceID, &api.KeyError{
Err: fmt.Sprintf(
"user_id or device_id mismatch: users: %s - %s, devices: %s - %s",
gotUserID, key.UserID, gotDeviceID, key.DeviceID,
),
})
}
} }
// store the device keys and emit changes // store the device keys and emit changes
@ -764,16 +776,3 @@ func emitDeviceKeyChanges(producer KeyChangeProducer, existing, new []api.Device
} }
return producer.ProduceKeyChanges(keysAdded) return producer.ProduceKeyChanges(keysAdded)
} }
func appendDisplayNames(existing, new []api.DeviceMessage) []api.DeviceMessage {
for i, existingDevice := range existing {
for _, newDevice := range new {
if existingDevice.DeviceID != newDevice.DeviceID {
continue
}
existingDevice.DisplayName = newDevice.DisplayName
existing[i] = existingDevice
}
}
return existing
}