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key_newpair.go
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key_newpair.go
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// Copyright (c) Contributors to the Apptainer project, established as
// Apptainer a Series of LF Projects LLC.
// For website terms of use, trademark policy, privacy policy and other
// project policies see https://lfprojects.org/policies
// Copyright (c) 2020, Control Command Inc. All rights reserved.
// Copyright (c) 2017-2021, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package cli
import (
"errors"
"fmt"
"os"
"github.com/apptainer/apptainer/docs"
"github.com/apptainer/apptainer/internal/pkg/remote/endpoint"
"github.com/apptainer/apptainer/internal/pkg/util/interactive"
"github.com/apptainer/apptainer/pkg/cmdline"
"github.com/apptainer/apptainer/pkg/sylog"
"github.com/apptainer/apptainer/pkg/sypgp"
"github.com/spf13/cobra"
)
var (
keyNewPairName string
keyNewPairNameFlag = &cmdline.Flag{
ID: "KeyNewPairNameFlag",
Value: &keyNewPairName,
DefaultValue: "",
Name: "name",
ShortHand: "N",
Usage: "key owner name",
}
keyNewPairEmail string
keyNewPairEmailFlag = &cmdline.Flag{
ID: "KeyNewPairEmailFlag",
Value: &keyNewPairEmail,
DefaultValue: "",
Name: "email",
ShortHand: "E",
Usage: "key owner email",
}
keyNewPairComment string
keyNewPairCommentFlag = &cmdline.Flag{
ID: "KeyNewPairCommentFlag",
Value: &keyNewPairComment,
DefaultValue: "",
Name: "comment",
ShortHand: "C",
Usage: "key comment",
}
keyNewPairPassword string
keyNewPairPasswordFlag = &cmdline.Flag{
ID: "KeyNewPairPasswordFlag",
Value: &keyNewPairPassword,
DefaultValue: "",
Name: "password",
ShortHand: "P",
Usage: "key password",
}
keyNewPairPush bool
keyNewPairPushFlag = &cmdline.Flag{
ID: "KeyNewPairPushFlag",
Value: &keyNewPairPush,
DefaultValue: false,
Name: "push",
ShortHand: "U",
Usage: "specify to push the public key to the remote keystore",
}
// KeyNewPairCmd is 'apptainer key newpair' and generate a new OpenPGP key pair
KeyNewPairCmd = &cobra.Command{
Args: cobra.ExactArgs(0),
DisableFlagsInUseLine: true,
Run: runNewPairCmd,
Use: docs.KeyNewPairUse,
Short: docs.KeyNewPairShort,
Long: docs.KeyNewPairLong,
Example: docs.KeyNewPairExample,
}
)
type keyNewPairOptions struct {
sypgp.GenKeyPairOptions
PushToKeyStore bool
}
func runNewPairCmd(cmd *cobra.Command, args []string) {
path := keyLocalDir
keyring := sypgp.NewHandle(path)
opts, err := collectInput(cmd)
if err != nil {
sylog.Errorf("could not collect user input: %v", err)
os.Exit(2)
}
opts.KeyLength = keyNewpairBitLength
fmt.Printf("Generating Entity and OpenPGP Key Pair... ")
key, err := keyring.GenKeyPair(opts.GenKeyPairOptions)
if err != nil {
sylog.Errorf("creating newpair failed: %v", err)
os.Exit(2)
}
fmt.Printf("done\n")
if !opts.PushToKeyStore {
return
}
// Only connect to the endpoint if we are pushing the key.
co, err := getKeyserverClientOpts(keyServerURI, endpoint.KeyserverPushOp)
if err != nil {
sylog.Fatalf("Keyserver client failed: %s", err)
}
if err := sypgp.PushPubkey(cmd.Context(), key, co...); err != nil {
fmt.Printf("Failed to push newly created key to keystore: %s\n", err)
} else {
fmt.Println("Key successfully pushed to keystore")
}
}
// collectInput collects passed flags, for missed parameters will ask user input.
func collectInput(cmd *cobra.Command) (*keyNewPairOptions, error) {
var genOpts keyNewPairOptions
// check flags
if cmd.Flags().Changed(keyNewPairNameFlag.Name) {
genOpts.Name = keyNewPairName
} else {
n, err := interactive.AskQuestion("Enter your name (e.g., John Doe) : ")
if err != nil {
return nil, err
}
genOpts.Name = n
}
if cmd.Flags().Changed(keyNewPairEmailFlag.Name) {
genOpts.Email = keyNewPairEmail
} else {
e, err := interactive.AskQuestion("Enter your email address (e.g., john.doe@example.com) : ")
if err != nil {
return nil, err
}
genOpts.Email = e
}
if cmd.Flags().Changed(keyNewPairCommentFlag.Name) {
genOpts.Comment = keyNewPairComment
} else {
c, err := interactive.AskQuestion("Enter optional comment (e.g., development keys) : ")
if err != nil {
return nil, err
}
genOpts.Comment = c
}
if cmd.Flags().Changed(keyNewPairPasswordFlag.Name) {
genOpts.Password = keyNewPairPassword
} else {
// get a password
p, err := interactive.GetPassphrase("Enter a passphrase : ", 3)
if err != nil {
return nil, err
}
if p == "" {
a, err := interactive.AskYNQuestion("n", "WARNING: if there is no password set, your key is not secure. Do you want to continue? [y/n] ")
if err != nil {
return nil, err
}
if a == "n" {
return nil, errors.New("empty passphrase")
}
}
genOpts.Password = p
}
if cmd.Flags().Changed(keyNewPairPushFlag.Name) {
genOpts.PushToKeyStore = keyNewPairPush
}
return &genOpts, nil
}