forked from TrueCloudLab/frostfs-s3-gw
476 lines
13 KiB
Go
476 lines
13 KiB
Go
package main
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import (
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"context"
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"crypto/ecdsa"
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"encoding/json"
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"fmt"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neofs-s3-gw/api/layer"
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"github.com/nspcc-dev/neofs-s3-gw/authmate"
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"github.com/nspcc-dev/neofs-s3-gw/internal/neofs"
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"github.com/nspcc-dev/neofs-s3-gw/internal/version"
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"github.com/nspcc-dev/neofs-s3-gw/internal/wallet"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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"github.com/nspcc-dev/neofs-sdk-go/pool"
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"github.com/spf13/viper"
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"github.com/urfave/cli/v2"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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const (
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poolConnectTimeout = 5 * time.Second
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poolRequestTimeout = 5 * time.Second
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// a month.
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defaultLifetime = 30 * 24 * time.Hour
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)
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var (
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walletPathFlag string
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accountAddressFlag string
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peerAddressFlag string
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eaclRulesFlag string
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gateWalletPathFlag string
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gateAccountAddressFlag string
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accessKeyIDFlag string
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containerIDFlag string
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containerFriendlyName string
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containerPlacementPolicy string
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gatesPublicKeysFlag cli.StringSlice
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logEnabledFlag bool
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logDebugEnabledFlag bool
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sessionTokenFlag string
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lifetimeFlag time.Duration
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containerPolicies string
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awcCliCredFile string
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timeoutFlag time.Duration
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)
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const (
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envWalletPassphrase = "wallet.passphrase"
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envWalletGatePassphrase = "wallet.gate.passphrase"
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)
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var zapConfig = zap.Config{
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Development: true,
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Encoding: "console",
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Level: zap.NewAtomicLevelAt(zapcore.FatalLevel),
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OutputPaths: []string{"stdout"},
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EncoderConfig: zapcore.EncoderConfig{
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MessageKey: "message",
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LevelKey: "level",
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EncodeLevel: zapcore.CapitalLevelEncoder,
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TimeKey: "time",
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EncodeTime: zapcore.ISO8601TimeEncoder,
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CallerKey: "caller",
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EncodeCaller: zapcore.ShortCallerEncoder,
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},
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}
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func prepare() (context.Context, *zap.Logger) {
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var (
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err error
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log = zap.NewNop()
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ctx, _ = signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
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)
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if !logEnabledFlag {
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return ctx, log
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} else if logDebugEnabledFlag {
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zapConfig.Level = zap.NewAtomicLevelAt(zapcore.DebugLevel)
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}
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if log, err = zapConfig.Build(); err != nil {
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panic(err)
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}
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return ctx, log
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}
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func main() {
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app := &cli.App{
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Name: "NeoFS gate authentication manager",
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Usage: "Helps manage delegated access via gates to data stored in NeoFS network",
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Version: version.Version,
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Flags: appFlags(),
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Commands: appCommands(),
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}
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viper.AutomaticEnv()
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viper.SetEnvPrefix("AUTHMATE")
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.AllowEmptyEnv(true)
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if err := app.Run(os.Args); err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "error: %s\n", err)
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os.Exit(100)
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}
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}
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func appFlags() []cli.Flag {
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return []cli.Flag{
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&cli.BoolFlag{
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Name: "with-log",
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Usage: "Enable logger",
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Destination: &logEnabledFlag,
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},
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&cli.BoolFlag{
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Name: "debug",
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Usage: "Enable debug logger level",
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Destination: &logDebugEnabledFlag,
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},
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&cli.DurationFlag{
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Name: "timeout",
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Usage: "timeout of processing of the command, for example 2m " +
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"(note: max time unit is an hour so to set a day you should use 24h)",
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Destination: &timeoutFlag,
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Value: 1 * time.Minute,
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},
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}
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}
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func appCommands() []*cli.Command {
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return []*cli.Command{
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issueSecret(),
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obtainSecret(),
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}
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}
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func issueSecret() *cli.Command {
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return &cli.Command{
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Name: "issue-secret",
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Usage: "Issue a secret in NeoFS network",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "wallet",
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Value: "",
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Usage: "path to the wallet",
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Required: true,
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Destination: &walletPathFlag,
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},
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&cli.StringFlag{
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Name: "address",
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Value: "",
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Usage: "address of wallet account",
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Required: false,
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Destination: &accountAddressFlag,
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},
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&cli.StringFlag{
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Name: "peer",
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Value: "",
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Usage: "address of a neofs peer to connect to",
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Required: true,
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Destination: &peerAddressFlag,
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},
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&cli.StringFlag{
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Name: "bearer-rules",
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Usage: "rules for bearer token as plain json string",
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Required: false,
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Destination: &eaclRulesFlag,
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},
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&cli.StringSliceFlag{
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Name: "gate-public-key",
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Usage: "public 256r1 key of a gate (use flags repeatedly for multiple gates)",
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Required: true,
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Destination: &gatesPublicKeysFlag,
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},
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&cli.StringFlag{
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Name: "container-id",
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Usage: "auth container id to put the secret into",
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Required: false,
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Destination: &containerIDFlag,
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},
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&cli.StringFlag{
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Name: "container-friendly-name",
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Usage: "friendly name of auth container to put the secret into",
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Required: false,
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Destination: &containerFriendlyName,
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},
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&cli.StringFlag{
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Name: "container-placement-policy",
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Usage: "placement policy of auth container to put the secret into",
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Required: false,
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Destination: &containerPlacementPolicy,
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Value: "REP 2 IN X CBF 3 SELECT 2 FROM * AS X",
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},
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&cli.StringFlag{
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Name: "session-tokens",
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Usage: "create session tokens with rules, if the rules are set as 'none', no session tokens will be created",
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Required: false,
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Destination: &sessionTokenFlag,
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Value: "",
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},
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&cli.DurationFlag{
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Name: "lifetime",
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Usage: `Lifetime of tokens. For example 50h30m (note: max time unit is an hour so to set a day you should use 24h).
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It will be ceil rounded to the nearest amount of epoch.`,
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Required: false,
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Destination: &lifetimeFlag,
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Value: defaultLifetime,
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},
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&cli.StringFlag{
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Name: "container-policy",
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Usage: "mapping AWS storage class to NeoFS storage policy as plain json string or path to json file",
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Required: false,
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Destination: &containerPolicies,
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},
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&cli.StringFlag{
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Name: "aws-cli-credentials",
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Usage: "path to the aws cli credential file",
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Required: false,
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Destination: &awcCliCredFile,
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},
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},
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Action: func(c *cli.Context) error {
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ctx, log := prepare()
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password := wallet.GetPassword(viper.GetViper(), envWalletPassphrase)
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key, err := wallet.GetKeyFromPath(walletPathFlag, accountAddressFlag, password)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to load neofs private key: %s", err), 1)
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}
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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neoFS, err := createNeoFS(ctx, log, &key.PrivateKey, peerAddressFlag)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to create NeoFS component: %s", err), 2)
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}
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agent := authmate.New(log, neoFS)
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var containerID *cid.ID // keep nil value if container flag is not set
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if len(containerIDFlag) > 0 {
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containerID = new(cid.ID)
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if err = containerID.DecodeString(containerIDFlag); err != nil {
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return cli.Exit(fmt.Sprintf("failed to parse auth container id: %s", err), 3)
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}
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}
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var gatesPublicKeys []*keys.PublicKey
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for _, key := range gatesPublicKeysFlag.Value() {
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gpk, err := keys.NewPublicKeyFromString(key)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to load gate's public key: %s", err), 4)
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}
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gatesPublicKeys = append(gatesPublicKeys, gpk)
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}
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if lifetimeFlag <= 0 {
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return cli.Exit(fmt.Sprintf("lifetime must be greater 0, current value: %d", lifetimeFlag), 5)
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}
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policies, err := parsePolicies(containerPolicies)
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if err != nil {
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return cli.Exit(fmt.Sprintf("couldn't parse container policy: %s", err.Error()), 6)
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}
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bearerRules, err := getJSONRules(eaclRulesFlag)
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if err != nil {
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return cli.Exit(fmt.Sprintf("couldn't parse 'bearer-rules' flag: %s", err.Error()), 7)
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}
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sessionRules, skipSessionRules, err := getSessionRules(sessionTokenFlag)
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if err != nil {
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return cli.Exit(fmt.Sprintf("couldn't parse 'session-tokens' flag: %s", err.Error()), 8)
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}
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issueSecretOptions := &authmate.IssueSecretOptions{
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Container: authmate.ContainerOptions{
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ID: containerID,
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FriendlyName: containerFriendlyName,
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PlacementPolicy: containerPlacementPolicy,
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},
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NeoFSKey: key,
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GatesPublicKeys: gatesPublicKeys,
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EACLRules: bearerRules,
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SessionTokenRules: sessionRules,
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SkipSessionRules: skipSessionRules,
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ContainerPolicies: policies,
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Lifetime: lifetimeFlag,
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AwsCliCredentialsFile: awcCliCredFile,
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}
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var tcancel context.CancelFunc
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ctx, tcancel = context.WithTimeout(ctx, timeoutFlag)
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defer tcancel()
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if err = agent.IssueSecret(ctx, os.Stdout, issueSecretOptions); err != nil {
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return cli.Exit(fmt.Sprintf("failed to issue secret: %s", err), 7)
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}
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return nil
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},
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}
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}
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func parsePolicies(val string) (authmate.ContainerPolicies, error) {
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if val == "" {
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return nil, nil
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}
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data, err := os.ReadFile(val)
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if err != nil {
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data = []byte(val)
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}
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var policies authmate.ContainerPolicies
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if err = json.Unmarshal(data, &policies); err != nil {
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return nil, err
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}
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if _, ok := policies[layer.DefaultLocationConstraint]; ok {
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return nil, fmt.Errorf("config overrides %s location constraint", layer.DefaultLocationConstraint)
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}
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return policies, nil
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}
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func getJSONRules(val string) ([]byte, error) {
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if val == "" {
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return nil, nil
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}
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data := []byte(val)
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if json.Valid(data) {
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return data, nil
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}
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if data, err := os.ReadFile(val); err == nil {
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if json.Valid(data) {
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return data, nil
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}
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}
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return nil, fmt.Errorf("coudln't read json file or its content is invalid")
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}
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// getSessionRules reads json session rules.
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// It returns true if rules must be skipped.
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func getSessionRules(r string) ([]byte, bool, error) {
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if r == "none" {
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return nil, true, nil
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}
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data, err := getJSONRules(r)
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return data, false, err
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}
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func obtainSecret() *cli.Command {
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command := &cli.Command{
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Name: "obtain-secret",
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Usage: "Obtain a secret from NeoFS network",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "wallet",
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Value: "",
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Usage: "path to the wallet",
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Required: true,
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Destination: &walletPathFlag,
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},
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&cli.StringFlag{
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Name: "address",
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Value: "",
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Usage: "address of wallet account",
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Required: false,
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Destination: &accountAddressFlag,
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},
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&cli.StringFlag{
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Name: "peer",
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Value: "",
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Usage: "address of neofs peer to connect to",
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Required: true,
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Destination: &peerAddressFlag,
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},
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&cli.StringFlag{
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Name: "gate-wallet",
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Value: "",
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Usage: "path to the wallet",
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Required: true,
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Destination: &gateWalletPathFlag,
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},
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&cli.StringFlag{
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Name: "gate-address",
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Value: "",
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Usage: "address of wallet account",
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Required: false,
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Destination: &gateAccountAddressFlag,
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},
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&cli.StringFlag{
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Name: "access-key-id",
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Usage: "access key id for s3",
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Required: true,
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Destination: &accessKeyIDFlag,
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},
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},
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Action: func(c *cli.Context) error {
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ctx, log := prepare()
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password := wallet.GetPassword(viper.GetViper(), envWalletPassphrase)
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key, err := wallet.GetKeyFromPath(walletPathFlag, accountAddressFlag, password)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to load neofs private key: %s", err), 1)
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}
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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neoFS, err := createNeoFS(ctx, log, &key.PrivateKey, peerAddressFlag)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to create NeoFS component: %s", err), 2)
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}
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agent := authmate.New(log, neoFS)
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var _ = agent
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password = wallet.GetPassword(viper.GetViper(), envWalletGatePassphrase)
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gateCreds, err := wallet.GetKeyFromPath(gateWalletPathFlag, gateAccountAddressFlag, password)
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if err != nil {
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return cli.Exit(fmt.Sprintf("failed to create owner's private key: %s", err), 4)
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}
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secretAddress := strings.Replace(accessKeyIDFlag, "0", "/", 1)
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obtainSecretOptions := &authmate.ObtainSecretOptions{
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SecretAddress: secretAddress,
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GatePrivateKey: gateCreds,
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}
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var tcancel context.CancelFunc
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ctx, tcancel = context.WithTimeout(ctx, timeoutFlag)
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defer tcancel()
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if err = agent.ObtainSecret(ctx, os.Stdout, obtainSecretOptions); err != nil {
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return cli.Exit(fmt.Sprintf("failed to obtain secret: %s", err), 5)
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}
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return nil
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},
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}
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return command
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}
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func createNeoFS(ctx context.Context, log *zap.Logger, key *ecdsa.PrivateKey, peerAddress string) (authmate.NeoFS, error) {
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log.Debug("prepare connection pool")
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var prm pool.InitParameters
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prm.SetKey(key)
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prm.SetNodeDialTimeout(poolConnectTimeout)
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prm.SetHealthcheckTimeout(poolRequestTimeout)
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prm.AddNode(pool.NewNodeParam(1, peerAddress, 1))
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p, err := pool.NewPool(prm)
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if err != nil {
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return nil, err
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}
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if err = p.Dial(ctx); err != nil {
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return nil, err
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}
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return neofs.NewAuthmateNeoFS(p), nil
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}
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