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editoperator.go
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editoperator.go
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/*
* Copyright 2018-2023 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"
"strings"
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"
)
func createEditOperatorCmd() *cobra.Command {
var params EditOperatorParams
cmd := &cobra.Command{
Use: "operator",
Short: "Edit the operator",
Args: MaxArgs(0),
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
return RunAction(cmd, args, ¶ms)
},
}
params.signingKeys.BindFlags("sk", "", nkeys.PrefixByteOperator, cmd)
cmd.Flags().StringSliceVarP(¶ms.rmSigningKeys, "rm-sk", "", nil, "remove signing key - comma separated list or option can be specified multiple times")
cmd.Flags().StringSliceVarP(¶ms.tags, "tag", "", nil, "add tags for user - comma separated list or option can be specified multiple times")
cmd.Flags().StringSliceVarP(¶ms.rmTags, "rm-tag", "", nil, "remove tag - comma separated list or option can be specified multiple times")
cmd.Flags().StringVarP(¶ms.asu, "account-jwt-server-url", "u", "", "set account jwt server url for nsc sync (only http/https or nats service (nats/tls/ws/wss) urls supported if updating with nsc)")
cmd.Flags().StringVarP(¶ms.sysAcc, "system-account", "", "", "set system account by account by public key or name")
cmd.Flags().StringSliceVarP(¶ms.serviceURLs, "service-url", "n", nil, "add an operator service url for nsc where clients can access the NATS service (only nats/tls/ws/wss urls supported)")
cmd.Flags().StringSliceVarP(¶ms.rmServiceURLs, "rm-service-url", "", nil, "remove an operator service url for nsc where clients can access the NATS service (only nats/tls/ws/wss urls supported)")
cmd.Flags().BoolVarP(¶ms.reqSk, "require-signing-keys", "", false, "require accounts/user to be signed with a signing key")
cmd.Flags().BoolVarP(¶ms.rmAsu, "rm-account-jwt-server-url", "", false, "clear account server url")
params.TimeParams.BindFlags(cmd)
return cmd
}
func init() {
editCmd.AddCommand(createEditOperatorCmd())
}
type EditOperatorParams struct {
SignerParams
GenericClaimsParams
claim *jwt.OperatorClaims
token string
asu string
rmAsu bool
sysAcc string
serviceURLs []string
rmServiceURLs []string
signingKeys SigningKeysParams
rmSigningKeys []string
reqSk bool
}
func (p *EditOperatorParams) SetDefaults(ctx ActionCtx) error {
p.SignerParams.SetDefaults(nkeys.PrefixByteOperator, false, ctx)
if !InteractiveFlag && ctx.NothingToDo("sk", "rm-sk", "start", "expiry", "tag", "rm-tag", "account-jwt-server-url", "service-url", "rm-service-url", "system-account", "require-signing-keys", "rm-account-jwt-server-url") {
ctx.CurrentCmd().SilenceUsage = false
return fmt.Errorf("specify an edit option")
}
return nil
}
func (p *EditOperatorParams) PreInteractive(ctx ActionCtx) error {
return nil
}
func (p *EditOperatorParams) Load(ctx ActionCtx) error {
var err error
name := ctx.StoreCtx().Store.GetName()
if !ctx.StoreCtx().Store.Has(store.JwtName(name)) {
return fmt.Errorf("no operator %q found", name)
}
d, err := ctx.StoreCtx().Store.Read(store.JwtName(name))
if err != nil {
return err
}
oc, err := jwt.DecodeOperatorClaims(string(d))
if err != nil {
return err
}
if p.asu == "" {
p.asu = oc.AccountServerURL
}
if p.sysAcc == "" {
p.sysAcc = oc.SystemAccount
}
if !p.reqSk {
p.reqSk = oc.StrictSigningKeyUsage
}
p.claim = oc
return nil
}
func (p *EditOperatorParams) PostInteractive(ctx ActionCtx) error {
var err error
if p.claim.NotBefore > 0 {
p.TimeParams.Start = UnixToDate(p.claim.NotBefore)
}
if p.claim.Expires > 0 {
p.TimeParams.Expiry = UnixToDate(p.claim.Expires)
}
if err = p.GenericClaimsParams.Edit(p.claim.Tags); err != nil {
return err
}
p.asu, err = cli.Prompt("account jwt server url", p.asu)
if err != nil {
return err
}
p.asu = strings.TrimSpace(p.asu)
ok, err := cli.Confirm("add a service url", true)
if err != nil {
return err
}
if ok {
for {
v, err := cli.Prompt("operator service url", "", cli.Val(jwt.ValidateOperatorServiceURL))
if err != nil {
return err
}
// the list will prune empty urls
p.serviceURLs = append(p.serviceURLs, v)
ok, err := cli.Confirm("add another service url", true)
if err != nil {
return err
}
if !ok {
break
}
}
}
if len(p.claim.OperatorServiceURLs) > 0 {
ok, err = cli.Confirm("remove any service urls", true)
if err != nil {
return err
}
if ok {
idx, err := cli.MultiSelect("select service urls to remove", p.claim.OperatorServiceURLs)
if err != nil {
return err
}
for _, v := range idx {
p.rmServiceURLs = append(p.rmServiceURLs, p.claim.OperatorServiceURLs[v])
}
}
}
if ok, err := cli.Confirm("Set system account", false); err != nil {
return err
} else if ok {
p.sysAcc, err = PickAccount(ctx.StoreCtx(), "")
if err != nil {
return err
}
}
if err := p.signingKeys.Edit(); err != nil {
return err
}
return p.SignerParams.Edit(ctx)
}
func (p *EditOperatorParams) setSystemAccount(ctx ActionCtx) error {
if p.sysAcc != "" {
if !nkeys.IsValidPublicAccountKey(p.sysAcc) {
if acc, err := ctx.StoreCtx().Store.ReadAccountClaim(p.sysAcc); err != nil {
return err
} else {
if acc.Limits.JetStreamTieredLimits != nil {
return fmt.Errorf("system accounts cannot have tiered JetStream limits - run %q first", fmt.Sprintf("nsc edit account %s --js-disable", acc.Name))
}
if acc.Limits.JetStreamLimits.Streams != 0 ||
acc.Limits.JetStreamLimits.Consumer != 0 ||
acc.Limits.JetStreamLimits.MaxAckPending != 0 ||
acc.Limits.JetStreamLimits.DiskMaxStreamBytes != 0 ||
acc.Limits.JetStreamLimits.MemoryMaxStreamBytes != 0 ||
acc.Limits.JetStreamLimits.DiskStorage != 0 ||
acc.Limits.JetStreamLimits.MemoryStorage != 0 ||
acc.Limits.JetStreamLimits.MaxBytesRequired {
return fmt.Errorf("system accounts cannot have JetStream limits - run %q first", fmt.Sprintf("nsc edit account %s --js-disable", acc.Name))
}
p.sysAcc = acc.Subject
}
}
}
return nil
}
func (p *EditOperatorParams) Validate(ctx ActionCtx) error {
var err error
if err = p.GenericClaimsParams.Valid(); err != nil {
return err
}
for _, v := range p.serviceURLs {
if err := jwt.ValidateOperatorServiceURL(v); err != nil {
return err
}
}
if err := p.setSystemAccount(ctx); err != nil {
return err
}
if p.reqSk {
accounts, err := ctx.StoreCtx().Store.ListSubContainers(store.Accounts)
if err != nil {
return err
}
for _, accName := range accounts {
ac, err := ctx.StoreCtx().Store.ReadAccountClaim(accName)
if err != nil {
return err
}
if ac.Issuer == p.claim.Subject {
return fmt.Errorf("account %q needs to be issued with a signing key first", accName)
}
usrs, _ := ctx.StoreCtx().Store.ListEntries(store.Accounts, accName, store.Users)
for _, usrName := range usrs {
uc, err := ctx.StoreCtx().Store.ReadUserClaim(accName, usrName)
if err != nil {
return err
}
if uc.Issuer == ac.Subject {
return fmt.Errorf("user %q in account %q needs to be issued with a signing key first", usrName, accName)
}
}
}
}
if err = p.signingKeys.Valid(); err != nil {
return err
}
if err = p.SignerParams.Resolve(ctx); err != nil {
return err
}
return nil
}
func (p *EditOperatorParams) Run(ctx ActionCtx) (store.Status, error) {
r := store.NewDetailedReport(true)
r.ReportSum = false
var err error
if err = p.GenericClaimsParams.Run(ctx, p.claim, r); err != nil {
return nil, err
}
keys, _ := p.signingKeys.PublicKeys()
if len(keys) > 0 {
p.claim.SigningKeys.Add(keys...)
for _, k := range keys {
r.AddOK("added signing key %q", k)
}
}
p.claim.SigningKeys.Remove(p.rmSigningKeys...)
for _, k := range p.rmSigningKeys {
r.AddOK("removed signing key %q", k)
}
if p.claim.StrictSigningKeyUsage != p.reqSk {
p.claim.StrictSigningKeyUsage = p.reqSk
r.AddOK("strict signing key usage set to: %t", p.reqSk)
}
flags := ctx.CurrentCmd().Flags()
p.claim.AccountServerURL = p.asu
if flags.Changed("account-jwt-server-url") {
r.AddOK("set account jwt server url to %q", p.asu)
}
if p.rmAsu {
p.claim.AccountServerURL = ""
}
if flags.Changed("rm-account-jwt-server-url") {
r.AddOK("removed account server url")
}
if p.claim.SystemAccount != p.sysAcc {
p.claim.SystemAccount = p.sysAcc
r.AddOK("set system account %q", p.sysAcc)
}
for _, v := range p.serviceURLs {
p.claim.OperatorServiceURLs.Add(strings.ToLower(v))
r.AddOK("added service url %q", v)
}
for _, v := range p.rmServiceURLs {
p.claim.OperatorServiceURLs.Remove(strings.ToLower(v))
r.AddOK("removed service url %q", v)
}
p.token, err = p.claim.Encode(p.signerKP)
if err != nil {
return nil, err
}
s, err := ctx.StoreCtx().Store.StoreClaim([]byte(p.token))
if s != nil {
r.Add(s)
}
if err != nil {
r.AddFromError(err)
}
r.AddOK("edited operator %q", p.claim.Name)
return r, nil
}