197 lines
5.2 KiB
Go
197 lines
5.2 KiB
Go
package cmd
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import (
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"crypto/ecdsa"
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"crypto/rand"
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"encoding/hex"
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"errors"
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"fmt"
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"os"
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"github.com/mitchellh/go-homedir"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/nspcc-dev/neofs-node/pkg/network"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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const (
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envPrefix = "NEOFS_CLI"
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generateKeyConst = "new"
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ttlDefaultValue = 2
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)
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// Global scope flags.
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var (
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cfgFile string
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verbose bool
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)
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "neofs-cli",
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Short: "Command Line Tool to work with NeoFS",
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Long: `NeoFS CLI provides all basic interactions with NeoFS and it's services.
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It contains commands for interaction with NeoFS nodes using different versions
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of neofs-api and some useful utilities for compiling ACL rules from JSON
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notation, managing container access through protocol gates, querying network map
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and much more!`,
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}
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var (
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errInvalidKey = errors.New("provided key is incorrect")
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errInvalidEndpoint = errors.New("provided RPC endpoint is incorrect")
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errCantGenerateKey = errors.New("can't generate new private key")
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)
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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if err := rootCmd.Execute(); err != nil {
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os.Exit(1)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig)
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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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// use stdout as default output for cmd.Print()
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rootCmd.SetOut(os.Stdout)
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rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.config/neofs-cli/config.yaml)")
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rootCmd.PersistentFlags().StringP("key", "k", "", "private key in hex, WIF or filepath (use `--key new` to generate key for request)")
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_ = viper.BindPFlag("key", rootCmd.PersistentFlags().Lookup("key"))
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rootCmd.PersistentFlags().StringP("rpc-endpoint", "r", "", "remote node address (as 'multiaddr' or '<host>:<port>')")
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_ = viper.BindPFlag("rpc", rootCmd.PersistentFlags().Lookup("rpc-endpoint"))
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rootCmd.PersistentFlags().Uint32("ttl", ttlDefaultValue, "TTL value in request meta header")
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_ = viper.BindPFlag("ttl", rootCmd.PersistentFlags().Lookup("ttl"))
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rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose output")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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// rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := homedir.Dir()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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// Search config in home directory with name ".main" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".config/neofs-cli")
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}
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viper.SetEnvPrefix(envPrefix)
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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printVerbose("Using config file: %s", viper.ConfigFileUsed())
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}
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}
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// getKey returns private key that was provided in global arguments.
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func getKey() (*ecdsa.PrivateKey, error) {
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privateKey := viper.GetString("key")
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if privateKey == generateKeyConst {
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buf := make([]byte, crypto.PrivateKeyCompressedSize)
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_, err := rand.Read(buf)
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if err != nil {
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return nil, errCantGenerateKey
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}
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printVerbose("Generating private key:", hex.EncodeToString(buf))
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return crypto.UnmarshalPrivateKey(buf)
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}
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key, err := crypto.LoadPrivateKey(privateKey)
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if err != nil {
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return nil, errInvalidKey
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}
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return key, nil
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}
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// getEndpointAddress returns network address structure that stores multiaddr
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// inside, parsed from global arguments.
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func getEndpointAddress() (*network.Address, error) {
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endpoint := viper.GetString("rpc")
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addr, err := network.AddressFromString(endpoint)
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if err != nil {
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return nil, errInvalidEndpoint
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}
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return addr, nil
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}
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// getSDKClient returns default neofs-api-go sdk client. Consider using
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// opts... to provide TTL or other global configuration flags.
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func getSDKClient() (*client.Client, error) {
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key, err := getKey()
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if err != nil {
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return nil, err
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}
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netAddr, err := getEndpointAddress()
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if err != nil {
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return nil, err
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}
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ipAddr, err := netAddr.IPAddrString()
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if err != nil {
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return nil, errInvalidEndpoint
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}
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return client.New(key, client.WithAddress(ipAddr))
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}
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func getTTL() uint32 {
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ttl := viper.GetUint32("ttl")
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printVerbose("TTL: %d", ttl)
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return ttl
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}
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// ownerFromString converts string with NEO3 wallet address to neofs owner ID.
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func ownerFromString(s string) (*owner.ID, error) {
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result := owner.NewID()
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err := result.Parse(s)
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if err != nil {
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return nil, errors.New("can't decode owner ID wallet address")
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}
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return result, nil
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}
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func printVerbose(format string, a ...interface{}) {
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if verbose {
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fmt.Printf(format+"\n", a...)
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}
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}
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