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933c60bc3a
Currently when connections to vault fail, client perpetually retries this leads to assumptions that the server has issues and masks the problem. Re-purpose *crypto.Error* type to send appropriate errors back to the client.
42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// MinIO Cloud Storage, (C) 2017-2019 MinIO, Inc.
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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 crypto
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import (
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"encoding/hex"
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"strings"
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)
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// ParseMasterKey parses the value of the environment variable
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// `EnvKMSMasterKey` and returns a key-ID and a master-key KMS on success.
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func ParseMasterKey(envArg string) (KMS, error) {
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values := strings.SplitN(envArg, ":", 2)
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if len(values) != 2 {
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return nil, Errorf("Invalid KMS master key: %s does not contain a ':'", envArg)
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}
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var (
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keyID = values[0]
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hexKey = values[1]
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)
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if len(hexKey) != 64 { // 2 hex bytes = 1 byte
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return nil, Errorf("Invalid KMS master key: %s not a 32 bytes long HEX value", hexKey)
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}
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var masterKey [32]byte
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if _, err := hex.Decode(masterKey[:], []byte(hexKey)); err != nil {
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return nil, Errorf("Invalid KMS master key: %v", err)
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}
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return NewMasterKey(keyID, masterKey), nil
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}
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