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Refactor user prompts into utils

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This commit is contained in:
Taylor Gerring 2015-05-18 12:24:30 -05:00
parent 36a4ba3248
commit f14feea436
3 changed files with 50 additions and 49 deletions
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6
cmd/geth/admin.go
View File

@ -383,7 +383,7 @@ func (js *jsre) unlock(call otto.FunctionCall) otto.Value {
var passphrase string
if arg.IsUndefined() {
fmt.Println("Please enter a passphrase now.")
passphrase, err = readPassword("Passphrase: ", true)
passphrase, err = utils.PromptPassword("Passphrase: ", true)
if err != nil {
fmt.Println(err)
return otto.FalseValue()
@ -410,12 +410,12 @@ func (js *jsre) newAccount(call otto.FunctionCall) otto.Value {
if arg.IsUndefined() {
fmt.Println("The new account will be encrypted with a passphrase.")
fmt.Println("Please enter a passphrase now.")
auth, err := readPassword("Passphrase: ", true)
auth, err := utils.PromptPassword("Passphrase: ", true)
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
confirm, err := readPassword("Repeat Passphrase: ", false)
confirm, err := utils.PromptPassword("Repeat Passphrase: ", false)
if err != nil {
fmt.Println(err)
return otto.FalseValue()

49
cmd/geth/main.go
View File

@ -21,7 +21,6 @@
package main
import (
"bufio"
"fmt"
"io"
"io/ioutil"
@ -44,7 +43,6 @@ import (
"github.com/ethereum/go-ethereum/logger"
"github.com/mattn/go-colorable"
"github.com/mattn/go-isatty"
"github.com/peterh/liner"
)
import _ "net/http/pprof"
@ -426,12 +424,12 @@ func getPassPhrase(ctx *cli.Context, desc string, confirmation bool) (passphrase
passfile := ctx.GlobalString(utils.PasswordFileFlag.Name)
if len(passfile) == 0 {
fmt.Println(desc)
auth, err := readPassword("Passphrase: ", true)
auth, err := utils.PromptPassword("Passphrase: ", true)
if err != nil {
utils.Fatalf("%v", err)
}
if confirmation {
confirm, err := readPassword("Repeat Passphrase: ", false)
confirm, err := utils.PromptPassword("Repeat Passphrase: ", false)
if err != nil {
utils.Fatalf("%v", err)
}
@ -549,7 +547,7 @@ func exportchain(ctx *cli.Context) {
}
func removeDb(ctx *cli.Context) {
confirm, err := readConfirm("Remove local databases?")
confirm, err := utils.PromptConfirm("Remove local databases?")
if err != nil {
utils.Fatalf("%v", err)
}
@ -690,44 +688,3 @@ func hashish(x string) bool {
_, err := strconv.Atoi(x)
return err != nil
}
func readConfirm(prompt string) (bool, error) {
var (
input string
err error
)
prompt = prompt + " [y/N] "
if liner.TerminalSupported() {
lr := liner.NewLiner()
defer lr.Close()
input, err = lr.Prompt(prompt)
} else {
fmt.Print(prompt)
input, err = bufio.NewReader(os.Stdin).ReadString('\n')
fmt.Println()
}
if len(input) > 0 && strings.ToUpper(input[:1]) == "Y" {
return true, nil
} else {
return false, nil
}
return false, err
}
func readPassword(prompt string, warnTerm bool) (string, error) {
if liner.TerminalSupported() {
lr := liner.NewLiner()
defer lr.Close()
return lr.PasswordPrompt(prompt)
}
if warnTerm {
fmt.Println("!! Unsupported terminal, password will be echoed.")
}
fmt.Print(prompt)
input, err := bufio.NewReader(os.Stdin).ReadString('\n')
fmt.Println()
return input, err
}

44
cmd/utils/cmd.go
View File

@ -22,11 +22,13 @@
package utils
import (
"bufio"
"fmt"
"io"
"os"
"os/signal"
"regexp"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
@ -35,6 +37,7 @@ import (
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
"github.com/peterh/liner"
)
var interruptCallbacks = []func(os.Signal){}
@ -85,6 +88,47 @@ func confirm(message string) bool {
return r == "y"
}
func PromptConfirm(prompt string) (bool, error) {
var (
input string
err error
)
prompt = prompt + " [y/N] "
if liner.TerminalSupported() {
lr := liner.NewLiner()
defer lr.Close()
input, err = lr.Prompt(prompt)
} else {
fmt.Print(prompt)
input, err = bufio.NewReader(os.Stdin).ReadString('\n')
fmt.Println()
}
if len(input) > 0 && strings.ToUpper(input[:1]) == "Y" {
return true, nil
} else {
return false, nil
}
return false, err
}
func PromptPassword(prompt string, warnTerm bool) (string, error) {
if liner.TerminalSupported() {
lr := liner.NewLiner()
defer lr.Close()
return lr.PasswordPrompt(prompt)
}
if warnTerm {
fmt.Println("!! Unsupported terminal, password will be echoed.")
}
fmt.Print(prompt)
input, err := bufio.NewReader(os.Stdin).ReadString('\n')
fmt.Println()
return input, err
}
func initDataDir(Datadir string) {
_, err := os.Stat(Datadir)
if err != nil {