You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.3 KiB
72 lines
2.3 KiB
/*
|
|
* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
|
|
*
|
|
* 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 licverifier implements a simple library to verify MinIO Subnet license keys.
|
|
package licverifier
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/dgrijalva/jwt-go"
|
|
)
|
|
|
|
// LicenseVerifier needs an ECDSA public key in PEM format for initialization.
|
|
type LicenseVerifier struct {
|
|
ecPubKey *ecdsa.PublicKey
|
|
}
|
|
|
|
// LicenseInfo holds customer metadata present in the license key.
|
|
type LicenseInfo struct {
|
|
Email string `json:"sub"` // Email of the license key requestor
|
|
TeamName string `json:"teamName"` // Subnet team name
|
|
AccountID int64 `json:"accountId"` // Subnet account id
|
|
StorageCapacity int64 `json:"capacity"` // Storage capacity used in TB
|
|
ServiceType string `json:"serviceType"` // Subnet service type
|
|
}
|
|
|
|
// Valid checks if customer metadata from the license key is valid.
|
|
func (li *LicenseInfo) Valid() error {
|
|
if li.AccountID <= 0 {
|
|
return errors.New("Invalid accountId in claims")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// NewLicenseVerifier returns an initialized license verifier with the given
|
|
// ECDSA public key in PEM format.
|
|
func NewLicenseVerifier(pemBytes []byte) (*LicenseVerifier, error) {
|
|
pbKey, err := jwt.ParseECPublicKeyFromPEM(pemBytes)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Failed to parse public key: %s", err)
|
|
}
|
|
return &LicenseVerifier{
|
|
ecPubKey: pbKey,
|
|
}, nil
|
|
}
|
|
|
|
// Verify verifies the license key and validates the claims present in it.
|
|
func (lv *LicenseVerifier) Verify(license string) (LicenseInfo, error) {
|
|
var licInfo LicenseInfo
|
|
_, err := jwt.ParseWithClaims(license, &licInfo, func(token *jwt.Token) (interface{}, error) {
|
|
return lv.ecPubKey, nil
|
|
})
|
|
if err != nil {
|
|
return LicenseInfo{}, fmt.Errorf("Failed to verify license: %s", err)
|
|
}
|
|
return licInfo, nil
|
|
}
|
|
|