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https://github.com/woodpecker-ci/woodpecker.git
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4ec046e415
Co-authored-by: Anbraten <6918444+anbraten@users.noreply.github.com> Co-authored-by: qwerty287 <80460567+qwerty287@users.noreply.github.com>
67 lines
2 KiB
Go
67 lines
2 KiB
Go
// Copyright 2023 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package encryption
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import (
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"crypto/cipher"
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"encoding/base64"
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"fmt"
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"github.com/google/tink/go/subtle/random"
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"go.woodpecker-ci.org/woodpecker/v2/server/services/encryption/types"
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"go.woodpecker-ci.org/woodpecker/v2/server/store"
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)
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type aesEncryptionService struct {
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cipher cipher.AEAD
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keyID string
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store store.Store
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clients []types.EncryptionClient
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}
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func (svc *aesEncryptionService) Encrypt(plaintext, associatedData string) (string, error) {
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msg := []byte(plaintext)
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aad := []byte(associatedData)
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nonce := random.GetRandomBytes(uint32(AES_GCM_SIV_NonceSize))
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ciphertext := svc.cipher.Seal(nil, nonce, msg, aad)
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result := make([]byte, 0, AES_GCM_SIV_NonceSize+len(ciphertext))
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result = append(result, nonce...)
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result = append(result, ciphertext...)
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return base64.StdEncoding.EncodeToString(result), nil
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}
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func (svc *aesEncryptionService) Decrypt(ciphertext, associatedData string) (string, error) {
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bytes, err := base64.StdEncoding.DecodeString(ciphertext)
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if err != nil {
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return "", fmt.Errorf(errTemplateBase64DecryptionFailed, err)
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}
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nonce := bytes[:AES_GCM_SIV_NonceSize]
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message := bytes[AES_GCM_SIV_NonceSize:]
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plaintext, err := svc.cipher.Open(nil, nonce, message, []byte(associatedData))
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if err != nil {
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return "", fmt.Errorf(errTemplateDecryptionFailed, err)
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}
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return string(plaintext), nil
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}
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func (svc *aesEncryptionService) Disable() error {
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return svc.disable()
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}
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