mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-18 07:40:53 +01:00
49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
// 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 userutil
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
// ParseUsernameParam extracts localpart from usernameParam.
|
|
// usernameParam can either be a user ID or just the localpart/username.
|
|
// If serverName is passed, it is verified against the domain obtained from usernameParam (if present)
|
|
// Returns error in case of invalid usernameParam.
|
|
func ParseUsernameParam(usernameParam string, expectedServerName *gomatrixserverlib.ServerName) (string, error) {
|
|
localpart := usernameParam
|
|
|
|
if strings.HasPrefix(usernameParam, "@") {
|
|
lp, domain, err := gomatrixserverlib.SplitID('@', usernameParam)
|
|
|
|
if err != nil {
|
|
return "", errors.New("Invalid username")
|
|
}
|
|
|
|
if expectedServerName != nil && domain != *expectedServerName {
|
|
return "", errors.New("User ID does not belong to this server")
|
|
}
|
|
|
|
localpart = lp
|
|
}
|
|
return localpart, nil
|
|
}
|
|
|
|
// MakeUserID generates user ID from localpart & server name
|
|
func MakeUserID(localpart string, server gomatrixserverlib.ServerName) string {
|
|
return fmt.Sprintf("@%s:%s", localpart, string(server))
|
|
}
|