/
pubkeyparams.go
116 lines (101 loc) · 2.73 KB
/
pubkeyparams.go
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/*
* Copyright 2018-2022 The NATS Authors
* 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 (
"fmt"
cli "github.com/nats-io/cliprompts/v2"
"github.com/nats-io/jwt/v2"
"github.com/nats-io/nkeys"
"github.com/nats-io/nsc/v2/cmd/store"
"github.com/spf13/cobra"
)
type PubKeyChoice struct {
Label string
Key string
}
type PubKeyParams struct {
flagName string
kind nkeys.PrefixByte
publicKey string
AllowWildcard bool
}
func (e *PubKeyParams) SetDefaults(ctx ActionCtx) error {
if e.publicKey == "" || e.publicKey == "*" || store.IsPublicKey(e.kind, e.publicKey) {
return nil
}
switch e.kind {
case nkeys.PrefixByteAccount:
if c, err := ctx.StoreCtx().Store.ReadAccountClaim(e.publicKey); err != nil {
return err
} else {
e.publicKey = c.Subject
}
case nkeys.PrefixByteUser:
an := ctx.StoreCtx().Account.Name
if c, err := ctx.StoreCtx().Store.ReadUserClaim(an, e.publicKey); err != nil {
return err
} else {
e.publicKey = c.Subject
}
}
return nil
}
func (e *PubKeyParams) BindFlags(flagName string, shorthand string, kind nkeys.PrefixByte, cmd *cobra.Command) {
e.flagName = flagName
e.kind = kind
cmd.Flags().StringVarP(&e.publicKey, flagName, shorthand, "", flagName)
}
func (e *PubKeyParams) valid(s string) error {
if s == "" {
return fmt.Errorf("%s cannot be empty", e.flagName)
}
if e.AllowWildcard && s == jwt.All {
return nil
}
if !store.IsPublicKey(e.kind, s) {
return fmt.Errorf("%s is not a valid %q public key", e.publicKey, e.kind.String())
}
return nil
}
func (e *PubKeyParams) Valid() error {
return e.valid(e.publicKey)
}
func (e *PubKeyParams) Select(label string, choices ...PubKeyChoice) error {
var labels []string
for _, c := range choices {
labels = append(labels, c.Label)
}
sel, err := cli.Select(label, "", labels)
if err != nil {
return err
}
if sel == -1 {
return fmt.Errorf("nothing selected")
}
e.publicKey = choices[sel].Key
return nil
}
func (e *PubKeyParams) Edit() error {
m := fmt.Sprintf("%s public key", e.flagName)
if e.AllowWildcard {
m = fmt.Sprintf("%s or '*' to match any %s", m, e.flagName)
}
sv, err := cli.Prompt(m, e.publicKey, cli.Val(e.valid))
if err != nil {
return err
}
e.publicKey = sv
return nil
}