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https://github.com/minio/mc.git
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136 lines
3.9 KiB
Go
136 lines
3.9 KiB
Go
/*
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* Minio Client, (C) 2015 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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*/
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package main
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import (
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"encoding/json"
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"strings"
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"github.com/fatih/color"
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"github.com/minio/cli"
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"github.com/minio/mc/pkg/client"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/probe"
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)
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// Set access permissions.
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var accessCmd = cli.Command{
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Name: "access",
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Usage: "Set access permissions.",
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Action: mainAccess,
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CustomHelpTemplate: `Name:
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mc {{.Name}} - {{.Usage}}
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USAGE:
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mc {{.Name}}{{if .Flags}} [ARGS...]{{end}} PERMISSION TARGET [TARGET ...] {{if .Description}}
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DESCRIPTION:
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{{.Description}}{{end}}{{if .Flags}}
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FLAGS:
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{{range .Flags}}{{.}}
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{{end}}{{ end }}
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EXAMPLES:
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1. Set bucket to "private" on Amazon S3 cloud storage.
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$ mc {{.Name}} private https://s3.amazonaws.com/burningman2011
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2. Set bucket to "public" on Amazon S3 cloud storage.
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$ mc {{.Name}} public https://s3.amazonaws.com/shared
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3. Set bucket to "authenticated" on Amazon S3 cloud storage to provide read access to IAM Authenticated Users group.
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$ mc {{.Name}} authenticated https://s3.amazonaws.com/shared-authenticated
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4. Set folder to world readwrite (chmod 777) on local filesystem.
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$ mc {{.Name}} public /shared/Music
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`,
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}
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// AccessMessage is container for access command on bucket success and failure messages
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type AccessMessage struct {
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Status string `json:"status"`
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Bucket string `json:"bucket"`
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Perms bucketPerms `json:"permission"`
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}
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func (s AccessMessage) String() string {
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if !globalJSONFlag {
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return console.Colorize("Access", "Set access permission ‘"+string(s.Perms)+"’ updated successfully for ‘"+s.Bucket+"’")
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}
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accessJSONBytes, err := json.Marshal(s)
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fatalIf(probe.NewError(err), "Unable to marshal into JSON.")
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return string(accessJSONBytes)
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}
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func checkAccessSyntax(ctx *cli.Context) {
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if !ctx.Args().Present() || ctx.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(ctx, "access", 1) // last argument is exit code
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}
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if len(ctx.Args()) < 2 {
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cli.ShowCommandHelpAndExit(ctx, "access", 1) // last argument is exit code
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}
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perms := bucketPerms(ctx.Args().First())
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if !perms.isValidBucketPERM() {
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fatalIf(errDummy().Trace(),
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"Unrecognized permission ‘"+perms.String()+"’. Allowed values are [private, public, readonly].")
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}
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for _, arg := range ctx.Args().Tail() {
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if strings.TrimSpace(arg) == "" {
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fatalIf(errInvalidArgument().Trace(), "Unable to validate empty argument.")
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}
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}
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}
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func mainAccess(ctx *cli.Context) {
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checkAccessSyntax(ctx)
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console.SetCustomTheme(map[string]*color.Color{
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"Access": color.New(color.FgGreen, color.Bold),
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})
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perms := bucketPerms(ctx.Args().First())
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config := mustGetMcConfig()
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for _, arg := range ctx.Args().Tail() {
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targetURL, err := getCanonicalizedURL(arg, config.Aliases)
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fatalIf(err.Trace(arg), "Unable to parse argument ‘"+arg+"’.")
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fatalIf(doUpdateAccessCmd(targetURL, perms).Trace(targetURL, string(perms)), "Unable to set access permission ‘"+string(perms)+"’ for ‘"+targetURL+"’.")
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console.Println(AccessMessage{
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Status: "success",
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Bucket: targetURL,
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Perms: perms,
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})
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}
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}
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func doUpdateAccessCmd(targetURL string, targetPERMS bucketPerms) *probe.Error {
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var clnt client.Client
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clnt, err := target2Client(targetURL)
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if err != nil {
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return err.Trace(targetURL)
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}
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if err = clnt.SetBucketACL(targetPERMS.String()); err != nil {
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return err.Trace(targetURL, targetPERMS.String())
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}
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return nil
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}
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