/
cmd-access.go
134 lines (118 loc) · 3.79 KB
/
cmd-access.go
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/*
* Minio Client, (C) 2015 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 main
import (
"fmt"
"github.com/minio/cli"
"github.com/minio/mc/pkg/client"
"github.com/minio/mc/pkg/console"
"github.com/minio/minio/pkg/iodine"
)
// Help message.
var accessCmd = cli.Command{
Name: "access",
Usage: "Set access permissions",
Action: runAccessCmd,
CustomHelpTemplate: `Name:
mc {{.Name}} - {{.Usage}}
USAGE:
mc {{.Name}}{{if .Flags}} [ARGS...]{{end}} PERMISSION TARGET [TARGET...] {{if .Description}}
DESCRIPTION:
{{.Description}}{{end}}{{if .Flags}}
FLAGS:
{{range .Flags}}{{.}}
{{end}}{{ end }}
EXAMPLES:
1. Set bucket to "private" on Amazon S3 object storage.
$ mc {{.Name}} private https://s3.amazonaws.com/burningman2011
2. Set bucket to "public" on Amazon S3 object storage.
$ mc {{.Name}} public https://s3.amazonaws.com/shared
3. Set bucket to "authenticated" on Amazon S3 object storage to provide read access to IAM Authenticated Users group.
$ mc {{.Name}} authenticated https://s3.amazonaws.com/shared-authenticated
4. Set folder to world readwrite (chmod 777) on local filesystem.
$ mc {{.Name}} public /shared/Music
`,
}
func runAccessCmd(ctx *cli.Context) {
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "access", 1) // last argument is exit code
}
if !isMcConfigExists() {
console.Fatals(ErrorMessage{
Message: "Please run \"mc config generate\"",
Error: iodine.New(errNotConfigured{}, nil),
})
}
config, err := getMcConfig()
if err != nil {
console.Fatals(ErrorMessage{
Message: "loading config file failed",
Error: iodine.New(err, nil),
})
}
acl := bucketACL(ctx.Args().First())
if !acl.isValidBucketACL() {
console.Fatals(ErrorMessage{
Message: "Valid types are [private, public, readonly].",
Error: iodine.New(errInvalidACL{acl: acl.String()}, nil),
})
}
for _, arg := range ctx.Args().Tail() {
targetURL, err := getExpandedURL(arg, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatals(ErrorMessage{
Message: fmt.Sprintf("Unknown type of URL ‘%s’", e.url),
Error: iodine.New(e, nil),
})
default:
console.Fatals(ErrorMessage{
Message: fmt.Sprintf("Unable to parse argument ‘%s’", arg),
Error: iodine.New(err, nil),
})
}
}
msg, err := doUpdateAccessCmd(targetURL, acl)
if err != nil {
console.Errors(ErrorMessage{
Message: msg,
Error: iodine.New(err, nil),
})
}
console.Infos(InfoMessage{
Message: msg,
})
}
}
func doUpdateAccessCmd(targetURL string, targetACL bucketACL) (string, error) {
var err error
var clnt client.Client
clnt, err = target2Client(targetURL)
if err != nil {
msg := fmt.Sprintf("Unable to initialize client for ‘%s’", targetURL)
return msg, iodine.New(err, nil)
}
return doUpdateAccess(clnt, targetACL)
}
func doUpdateAccess(clnt client.Client, targetACL bucketACL) (string, error) {
err := clnt.SetBucketACL(targetACL.String())
if err != nil {
msg := fmt.Sprintf("Failed to add bucket access policy for URL ‘%s’", clnt.URL().String())
return msg, iodine.New(err, nil)
}
return "Bucket access policy updated successfully : " + clnt.URL().String(), nil
}