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gitea/vendor/golang.org/x/oauth2/internal/oauth2.go
Antoine GIRARD 4c1f1f9646 Remove x/net/context vendor by using std package (#5202)
* Update dep github.com/markbates/goth

* Update dep github.com/blevesearch/bleve

* Update dep golang.org/x/oauth2

* Fix github.com/blevesearch/bleve to c74e08f039e56cef576e4336382b2a2d12d9e026

* Update dep golang.org/x/oauth2
2018-11-10 18:55:36 -05:00

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Go

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package internal
import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
)
// ParseKey converts the binary contents of a private key file
// to an *rsa.PrivateKey. It detects whether the private key is in a
// PEM container or not. If so, it extracts the the private key
// from PEM container before conversion. It only supports PEM
// containers with no passphrase.
func ParseKey(key []byte) (*rsa.PrivateKey, error) {
block, _ := pem.Decode(key)
if block != nil {
key = block.Bytes
}
parsedKey, err := x509.ParsePKCS8PrivateKey(key)
if err != nil {
parsedKey, err = x509.ParsePKCS1PrivateKey(key)
if err != nil {
return nil, fmt.Errorf("private key should be a PEM or plain PKCS1 or PKCS8; parse error: %v", err)
}
}
parsed, ok := parsedKey.(*rsa.PrivateKey)
if !ok {
return nil, errors.New("private key is invalid")
}
return parsed, nil
}