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msg_token.go
43 lines (36 loc) · 1.05 KB
/
msg_token.go
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// Copyright 2024 tobyzxj
//
// 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
//
// https://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 secoapcore
import (
"crypto/rand"
"encoding/hex"
"hash/crc64"
)
type Token []byte
func (t Token) String() string {
return hex.EncodeToString(t)
}
func (t Token) Hash() uint64 {
return crc64.Checksum(t, crc64.MakeTable(crc64.ISO))
}
// GetToken generates a random token by a given length
func GetToken() (Token, error) {
b := make(Token, 8)
_, err := rand.Read(b)
// Note that err == nil only if we read len(b) bytes.
if err != nil {
return nil, err
}
return b, nil
}