Files
2023-04-19 20:24:34 +02:00

53 lines
1.5 KiB
Go

/*
* Copyright 2017-2019 Kopano and its licensors
*
* 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 managers
import (
"encoding/base64"
"golang.org/x/crypto/blake2b"
konnectoidc "github.com/libregraph/lico/oidc"
)
func setupSupportedScopes(scopes []string, extra []string, override []string) []string {
if len(override) > 0 {
return override
}
return append(scopes, extra...)
}
func getPublicSubject(sub []byte, extra []byte) (string, error) {
// Hash the raw subject with our specific salt.
hasher, err := blake2b.New512([]byte(konnectoidc.LibreGraphIDTokenSubjectSaltV1))
if err != nil {
return "", err
}
hasher.Write(sub)
hasher.Write([]byte(" "))
hasher.Write(extra)
// NOTE(longsleep): URL safe encoding for subject is important since many
// third party applications validate this with rather strict patterns. We
// also inject an @ to ensure its compatible to some apps which require one.
s := base64.RawURLEncoding.EncodeToString(hasher.Sum(nil))
return s[:16] + "@" + s[16:], nil
}