storj/cmd/uplinkng/cmd_meta_get.go
Jeff Wendling 59b8422318 cmd/uplinkng: implement revoke and normalize some language
this makes the distinction between an "access name" and
an "access value" and talks about which is expected for
commands. most are "access name or value".

Change-Id: I43c0043a17d37e89ab5f87388ae9e890a8b59958
2021-08-11 02:30:13 +00:00

84 lines
1.8 KiB
Go

// Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"encoding/json"
"fmt"
"strconv"
"github.com/zeebo/clingy"
"github.com/zeebo/errs"
"storj.io/storj/cmd/uplinkng/ulext"
"storj.io/storj/cmd/uplinkng/ulloc"
)
type cmdMetaGet struct {
ex ulext.External
access string
encrypted bool
location ulloc.Location
entry *string
}
func newCmdMetaGet(ex ulext.External) *cmdMetaGet {
return &cmdMetaGet{ex: ex}
}
func (c *cmdMetaGet) Setup(params clingy.Parameters) {
c.access = params.Flag("access", "Access name or value to use", "").(string)
c.encrypted = params.Flag("encrypted", "Shows keys base64 encoded without decrypting", false,
clingy.Transform(strconv.ParseBool),
).(bool)
c.location = params.Arg("location", "Location of object (sj://BUCKET/KEY)",
clingy.Transform(ulloc.Parse),
).(ulloc.Location)
c.entry = params.Arg("entry", "Metadata entry to get", clingy.Optional).(*string)
}
func (c *cmdMetaGet) Execute(ctx clingy.Context) error {
project, err := c.ex.OpenProject(ctx, c.access, ulext.BypassEncryption(c.encrypted))
if err != nil {
return err
}
defer func() { _ = project.Close() }()
bucket, key, ok := c.location.RemoteParts()
if !ok {
return errs.New("location must be remote")
}
object, err := project.StatObject(ctx, bucket, key)
if err != nil {
return err
}
if c.entry != nil {
value, ok := object.Custom[*c.entry]
if !ok {
return errs.New("entry %q does not exist", *c.entry)
}
fmt.Fprintln(ctx.Stdout(), value)
return nil
}
if object.Custom == nil {
fmt.Fprintln(ctx.Stdout(), "{}")
return nil
}
data, err := json.MarshalIndent(object.Custom, "", " ")
if err != nil {
return errs.Wrap(err)
}
fmt.Fprintln(ctx.Stdout(), string(data))
return nil
}