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Files
mc/cmd/encrypt-set.go
2020-07-29 23:12:26 -07:00

118 lines
3.3 KiB
Go

/*
* MinIO Client (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 cmd
import (
"context"
"fmt"
"strings"
"github.com/fatih/color"
"github.com/minio/cli"
json "github.com/minio/mc/pkg/colorjson"
"github.com/minio/mc/pkg/probe"
"github.com/minio/minio/pkg/console"
)
var encryptSetCmd = cli.Command{
Name: "set",
Usage: "Set encryption config",
Action: mainEncryptSet,
Before: setGlobalsFromContext,
Flags: globalFlags,
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Enable SSE-S3 auto encryption on bucket "mybucket" for alias "myminio".
{{.Prompt}} {{.HelpName}} sse-s3 myminio/mybucket
2. Enable SSE-KMS auto encryption with kms key on bucket "mybucket" for alias "s3".
{{.Prompt}} {{.HelpName}} sse-kms arn:aws:kms:us-east-1:xxx:key/xxx s3/mybucket
`,
}
// checkEncryptSetSyntax - validate all the passed arguments
func checkEncryptSetSyntax(ctx *cli.Context) {
if len(ctx.Args()) < 2 || len(ctx.Args()) > 3 {
cli.ShowCommandHelpAndExit(ctx, "set", 1) // last argument is exit code
}
}
type encryptSetMessage struct {
Op string `json:"op"`
Status string `json:"status"`
URL string `json:"url"`
Encryption struct {
Algorithm string `json:"algorithm,omitempty"`
KeyID string `json:"keyId,omitempty"`
} `json:"encryption,omitempty"`
}
func (v encryptSetMessage) JSON() string {
v.Status = "success"
jsonMessageBytes, e := json.MarshalIndent(v, "", " ")
fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
return string(jsonMessageBytes)
}
func (v encryptSetMessage) String() string {
return console.Colorize("encryptSetMessage", fmt.Sprintf("Auto encryption configuration has been set successfully for %s", v.URL))
}
func mainEncryptSet(cliCtx *cli.Context) error {
ctx, cancelencryptSet := context.WithCancel(globalContext)
defer cancelencryptSet()
console.SetColor("encryptSetMessage", color.New(color.FgGreen))
checkEncryptSetSyntax(cliCtx)
// Get the alias parameter from cli
args := cliCtx.Args()
aliasedURL := args.Get(len(args) - 1)
// Create a new Client
client, err := newClient(aliasedURL)
fatalIf(err, "Unable to initialize connection.")
var algorithm, keyID string
switch len(args) {
case 3:
algorithm = strings.ToLower(args[0])
keyID = args[1]
case 2:
algorithm = strings.ToLower(args[0])
}
if algorithm != "sse-s3" && algorithm != "sse-kms" {
fatalIf(probe.NewError(fmt.Errorf("Unknown argument `%s` passed", algorithm)), "Invalid encryption algorithm")
}
fatalIf(client.SetEncryption(ctx, algorithm, keyID), "Cannot enable auto encryption")
msg := encryptSetMessage{
Op: "set",
Status: "success",
URL: aliasedURL,
}
msg.Encryption.Algorithm = algorithm
printMsg(msg)
return nil
}