mirror of
https://github.com/woodpecker-ci/woodpecker.git
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75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
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// 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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"errors"
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"fmt"
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"os"
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"strconv"
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"github.com/google/tink/go/aead"
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"github.com/google/tink/go/insecurecleartextkeyset"
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"github.com/google/tink/go/keyset"
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"github.com/rs/zerolog/log"
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"github.com/woodpecker-ci/woodpecker/server/store/types"
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)
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func (svc *tinkEncryptionService) loadKeyset() error {
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log.Warn().Msgf(logTemplateTinkLoadingKeyset, svc.keysetFilePath)
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file, err := os.Open(svc.keysetFilePath)
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if err != nil {
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return fmt.Errorf(errTemplateTinkFailedOpeningKeyset, err)
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}
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defer func(file *os.File) {
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err = file.Close()
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if err != nil {
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log.Err(err).Msgf(logTemplateTinkFailedClosingKeysetFile, svc.keysetFilePath)
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}
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}(file)
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jsonKeyset := keyset.NewJSONReader(file)
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keysetHandle, err := insecurecleartextkeyset.Read(jsonKeyset)
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if err != nil {
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return fmt.Errorf(errTemplateTinkFailedReadingKeyset, err)
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}
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svc.primaryKeyID = strconv.FormatUint(uint64(keysetHandle.KeysetInfo().PrimaryKeyId), 10)
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encryptionInstance, err := aead.New(keysetHandle)
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if err != nil {
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return fmt.Errorf(errTemplateTinkFailedInitializingAEAD, err)
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}
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svc.encryption = encryptionInstance
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return nil
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}
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func (svc *tinkEncryptionService) validateKeyset() error {
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ciphertextSample, err := svc.store.ServerConfigGet(ciphertextSampleConfigKey)
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if errors.Is(err, types.RecordNotExist) {
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return errEncryptionNotEnabled
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} else if err != nil {
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return fmt.Errorf(errTemplateFailedLoadingServerConfig, err)
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}
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plaintext, err := svc.Decrypt(ciphertextSample, keyIDAssociatedData)
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if plaintext != svc.primaryKeyID {
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return errEncryptionKeyRotated
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} else if err != nil {
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return fmt.Errorf(errTemplateFailedValidatingKey, err)
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}
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return nil
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}
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