frostfs-node/cmd/frostfs-cli/modules/util/sign_session.go

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package util
import (
"crypto/ecdsa"
"encoding/json"
"errors"
"fmt"
"os"
"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
"github.com/TrueCloudLab/frostfs-sdk-go/session"
"github.com/spf13/cobra"
)
var signSessionCmd = &cobra.Command{
Use: "session-token",
Short: "Sign session token to use it in requests",
Run: signSessionToken,
}
func initSignSessionCmd() {
commonflags.InitWithoutRPC(signSessionCmd)
flags := signSessionCmd.Flags()
flags.String(signFromFlag, "", "File with JSON encoded session token to sign")
_ = signSessionCmd.MarkFlagFilename(signFromFlag)
_ = signSessionCmd.MarkFlagRequired(signFromFlag)
flags.String(signToFlag, "", "File to save signed session token (optional)")
}
func signSessionToken(cmd *cobra.Command, _ []string) {
fPath, err := cmd.Flags().GetString(signFromFlag)
common.ExitOnErr(cmd, "", err)
if fPath == "" {
common.ExitOnErr(cmd, "", errors.New("missing session token flag"))
}
type iTokenSession interface {
json.Marshaler
common.BinaryOrJSON
Sign(ecdsa.PrivateKey) error
}
var errLast error
var stok iTokenSession
for _, el := range [...]iTokenSession{
new(session.Object),
new(session.Container),
} {
errLast = common.ReadBinaryOrJSON(el, fPath)
if errLast == nil {
stok = el
break
}
}
common.ExitOnErr(cmd, "decode session: %v", errLast)
pk := key.GetOrGenerate(cmd)
err = stok.Sign(*pk)
common.ExitOnErr(cmd, "can't sign token: %w", err)
data, err := stok.MarshalJSON()
common.ExitOnErr(cmd, "can't encode session token: %w", err)
to := cmd.Flag(signToFlag).Value.String()
if len(to) == 0 {
prettyPrintJSON(cmd, data)
return
}
err = os.WriteFile(to, data, 0644)
if err != nil {
common.ExitOnErr(cmd, "", fmt.Errorf("can't write signed session token to %s: %w", to, err))
}
cmd.Printf("signed session token saved in %s\n", to)
}