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support ncryptsec in all operations that require a private key and have a nice password prompt.

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fiatjaf 2024-01-29 09:47:26 -03:00
parent f4921f1fe9
commit 6f24112b5e
No known key found for this signature in database
GPG Key ID: BAD43C4BE5C1A3A1
3 changed files with 86 additions and 16 deletions
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6
go.mod
View File

@ -5,7 +5,8 @@ go 1.21
toolchain go1.21.0
require (
github.com/bgentry/speakeasy v0.1.0
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
github.com/fatih/color v1.16.0
github.com/mailru/easyjson v0.7.7
github.com/manifoldco/promptui v0.9.0
github.com/nbd-wtf/go-nostr v0.28.2
@ -18,7 +19,6 @@ require (
github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
@ -27,6 +27,8 @@ require (
github.com/gobwas/pool v0.2.1 // indirect
github.com/gobwas/ws v1.3.1 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/puzpuzpuz/xsync/v3 v3.0.2 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/tidwall/gjson v1.17.0 // indirect

10
go.sum
View File

@ -1,6 +1,4 @@
github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
github.com/btcsuite/btcd v0.23.0/go.mod h1:0QJIIN1wwIXF/3G/m87gIwGniDMDQqjVn4SZgnFpsYY=
@ -44,6 +42,8 @@ github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeC
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 h1:8UrgZ3GkP4i/CLijOJx79Yu+etlyjdBU4sfcs2WYQMs=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
github.com/fiatjaf/eventstore v0.2.16 h1:NR64mnyUT5nJR8Sj2AwJTd1Hqs5kKJcCFO21ggUkvWg=
github.com/fiatjaf/eventstore v0.2.16/go.mod h1:rUc1KhVufVmC+HUOiuPweGAcvG6lEOQCkRCn2Xn5VRA=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@ -76,6 +76,11 @@ github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0
github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
github.com/manifoldco/promptui v0.9.0 h1:3V4HzJk1TtXW1MTZMP7mdlwbBpIinw3HztaIlYthEiA=
github.com/manifoldco/promptui v0.9.0/go.mod h1:ka04sppxSGFAtxX0qhlYQjISsg9mR4GWtQEhdbn6Pgg=
github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/nbd-wtf/go-nostr v0.28.2 h1:KhpGcs6KMLBqYExzKoqt7vP5Re2f8Kpy9SavYZa2PTI=
github.com/nbd-wtf/go-nostr v0.28.2/go.mod h1:l9NRRaHPN+QwkqrjNKhnfYjQ0+nKP1xZrVxePPGUs+A=
github.com/nbd-wtf/nostr-sdk v0.0.5 h1:rec+FcDizDVO0W25PX0lgYMXvP7zNNOgI3Fu9UCm4BY=
@ -133,6 +138,7 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

86
helpers.go
View File

@ -3,14 +3,17 @@ package main
import (
"bufio"
"context"
"encoding/hex"
"fmt"
"net/url"
"os"
"strings"
"github.com/bgentry/speakeasy"
"github.com/chzyer/readline"
"github.com/fatih/color"
"github.com/nbd-wtf/go-nostr"
"github.com/nbd-wtf/go-nostr/nip19"
"github.com/nbd-wtf/go-nostr/nip49"
"github.com/urfave/cli/v2"
)
@ -128,31 +131,90 @@ func exitIfLineProcessingError(c *cli.Context) {
}
func gatherSecretKeyFromArguments(c *cli.Context) (string, error) {
var err error
sec := c.String("sec")
if c.Bool("prompt-sec") {
if isPiped() {
return "", fmt.Errorf("can't prompt for a secret key when processing data from a pipe, try again without --prompt-sec")
}
var err error
sec, err = speakeasy.FAsk(os.Stderr, "type your secret key as nsec or hex: ")
sec, err = askPassword("type your secret key as ncryptsec, nsec or hex: ", nil)
if err != nil {
return "", fmt.Errorf("failed to get secret key: %w", err)
}
}
if strings.HasPrefix(sec, "nsec1") {
_, hex, err := nip19.Decode(sec)
if strings.HasPrefix(sec, "ncryptsec1") {
sec, err = promptDecrypt(sec)
if err != nil {
return "", fmt.Errorf("invalid nsec: %w", err)
return "", fmt.Errorf("failed to decrypt: %w", err)
}
sec = hex.(string)
} else if prefix, hexvalue, err := nip19.Decode(sec); err != nil {
return "", fmt.Errorf("invalid nsec: %w", err)
} else if prefix == "nsec" {
sec = hexvalue.(string)
} else if bsec, err := hex.DecodeString(strings.Repeat("0", 64-len(sec)) + sec); err == nil {
sec = hex.EncodeToString(bsec)
}
if len(sec) > 64 {
return "", fmt.Errorf("invalid secret key: too large")
}
sec = strings.Repeat("0", 64-len(sec)) + sec // left-pad
if ok := nostr.IsValid32ByteHex(sec); !ok {
return "", fmt.Errorf("invalid secret key")
}
return sec, nil
}
func promptDecrypt(ncryptsec1 string) (string, error) {
for i := 1; i < 4; i++ {
var attemptStr string
if i > 1 {
attemptStr = fmt.Sprintf(" [%d/3]", i)
}
password, err := askPassword("type the password to decrypt your secret key"+attemptStr+": ", nil)
if err != nil {
return "", err
}
sec, err := nip49.Decrypt(ncryptsec1, password)
if err != nil {
continue
}
return sec, nil
}
return "", fmt.Errorf("couldn't decrypt private key")
}
func ask(msg string, defaultValue string, shouldAskAgain func(answer string) bool) (string, error) {
return _ask(&readline.Config{
Prompt: color.YellowString(msg),
InterruptPrompt: "^C",
DisableAutoSaveHistory: true,
}, msg, defaultValue, shouldAskAgain)
}
func askPassword(msg string, shouldAskAgain func(answer string) bool) (string, error) {
config := &readline.Config{
Prompt: color.YellowString(msg),
InterruptPrompt: "^C",
DisableAutoSaveHistory: true,
EnableMask: true,
MaskRune: '*',
}
return _ask(config, msg, "", shouldAskAgain)
}
func _ask(config *readline.Config, msg string, defaultValue string, shouldAskAgain func(answer string) bool) (string, error) {
rl, err := readline.NewEx(config)
if err != nil {
return "", err
}
rl.WriteStdin([]byte(defaultValue))
for {
answer, err := rl.Readline()
if err != nil {
return "", err
}
answer = strings.TrimSpace(strings.ToLower(answer))
if shouldAskAgain != nil && shouldAskAgain(answer) {
continue
}
return answer, err
}
}