/
alias-import.go
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/
alias-import.go
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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"encoding/json"
"os"
"strings"
"github.com/minio/cli"
"github.com/minio/mc/pkg/probe"
)
var aliasImportCmd = cli.Command{
Name: "import",
ShortName: "i",
Usage: "import configuration info to configuration file from a JSON formatted string ",
Action: mainAliasImport,
OnUsageError: onUsageError,
Before: setGlobalsFromContext,
Flags: globalFlags,
HideHelpCommand: true,
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} ALIAS ./credentials.json
Credentials to be imported must be in the following JSON format:
{
"url": "http://localhost:9000",
"accessKey": "YJ0RI0F4R5HWY38MD873",
"secretKey": "OHz5CT7xdMHiXnKZP0BmZ5P4G5UvWvVaxR8gljLG",
"api": "s3v4",
"path": "auto"
}
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Import the provided credentials.json file as 'myminio' to the config:
{{ .Prompt }} {{ .HelpName }} myminio/ ./credentials.json
2. Import the credentials through standard input as 'myminio' to the config:
{{ .Prompt }} cat credentials.json | {{ .HelpName }} myminio/
`,
}
// checkAliasImportSyntax - verifies input arguments to 'alias import'.
func checkAliasImportSyntax(ctx *cli.Context) {
args := ctx.Args()
argsNr := len(args)
if argsNr == 0 {
showCommandHelpAndExit(ctx, 1)
}
if argsNr > 2 {
fatalIf(errInvalidArgument().Trace(ctx.Args().Tail()...),
"Incorrect number of arguments for alias Import command.")
}
alias := cleanAlias(args.Get(0))
if !isValidAlias(alias) {
fatalIf(errInvalidAlias(alias), "Invalid alias.")
}
}
func checkCredentialsSyntax(credentials aliasConfigV10) {
if !isValidHostURL(credentials.URL) {
fatalIf(errInvalidURL(credentials.URL), "Invalid URL.")
}
if !isValidAccessKey(credentials.AccessKey) {
fatalIf(errInvalidArgument().Trace(credentials.AccessKey),
"Invalid access key `"+credentials.AccessKey+"`.")
}
if !isValidSecretKey(credentials.SecretKey) {
fatalIf(errInvalidArgument().Trace(),
"Invalid secret key.")
}
if credentials.API != "" && !isValidAPI(credentials.API) { // Empty value set to default "S3v4".
fatalIf(errInvalidArgument().Trace(credentials.API),
"Unrecognized API signature. Valid options are `[S3v4, S3v2]`.")
}
if !isValidPath(credentials.Path) {
fatalIf(errInvalidArgument().Trace(credentials.Path),
"Unrecognized path value. Valid options are `[auto, on, off]`.")
}
}
// importAlias - set an alias config based on imported values.
func importAlias(alias string, aliasCfgV10 aliasConfigV10) aliasMessage {
checkCredentialsSyntax(aliasCfgV10)
mcCfgV10, err := loadMcConfig()
fatalIf(err.Trace(globalMCConfigVersion), "Unable to load config `"+mustGetMcConfigPath()+"`.")
// Add new host.
mcCfgV10.Aliases[alias] = aliasCfgV10
fatalIf(saveMcConfig(mcCfgV10).Trace(alias), "Unable to import credentials to `"+mustGetMcConfigPath()+"`.")
return aliasMessage{
Alias: alias,
URL: mcCfgV10.Aliases[alias].URL,
AccessKey: mcCfgV10.Aliases[alias].AccessKey,
SecretKey: mcCfgV10.Aliases[alias].SecretKey,
API: mcCfgV10.Aliases[alias].API,
Path: mcCfgV10.Aliases[alias].Path,
}
}
func mainAliasImport(cli *cli.Context) error {
var (
args = cli.Args()
alias = cleanAlias(args.Get(0))
)
checkAliasImportSyntax(cli)
var credentialsJSON aliasConfigV10
credsFile := strings.TrimSpace(args.Get(1))
if credsFile == "" {
credsFile = os.Stdin.Name()
}
input, e := os.ReadFile(credsFile)
fatalIf(probe.NewError(e).Trace(args...), "Unable to parse credentials file")
e = json.Unmarshal(input, &credentialsJSON)
fatalIf(probe.NewError(e).Trace(args...), "Unable to parse input credentials")
msg := importAlias(alias, credentialsJSON)
msg.op = cli.Command.Name
printMsg(msg)
return nil
}