Use golang terminal pkg for password prompt

cmd/secrethub-http-proxy/main.go

@@ -8,9 +8,9 @@ import (
 	"os/signal"
 	"syscall"
 
-	"github.com/abiosoft/readline"
 	"github.com/keylockerbv/secrethub-http-proxy/pkg/restproxy"
 	"github.com/secrethub/secrethub-go/pkg/secrethub"
+	"golang.org/x/crypto/ssh/terminal"
 )
 
 var (
@@ -86,12 +86,9 @@ func main() {
 }
 
 func promptPassword() (string, error) {
-	reader, err := readline.New("")
-	password, err := reader.ReadPassword("Please put in the passphrase to unlock your credential:")
-	if err == readline.ErrInterrupt {
-		return "", nil
-	}
-
+	fmt.Printf("Please put in the passphrase to unlock your credential:")
+	password, err := terminal.ReadPassword(int(syscall.Stdin))
+	fmt.Println()
 	if err != nil {
 		return "", err
 	}

go.mod

@@ -1,9 +1,8 @@
 module github.com/keylockerbv/secrethub-http-proxy
 
 require (
-	github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db
-	github.com/chzyer/logex v1.1.10 // indirect
-	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
 	github.com/gorilla/mux v1.7.0
 	github.com/secrethub/secrethub-go v0.17.0
+	golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b
+	golang.org/x/sys v0.0.0-20190329044733-9eb1bfa1ce65 // indirect
 )

go.sum

@@ -1,15 +1,9 @@
 bitbucket.org/zombiezen/cardcpx v0.0.0-20150417151802-902f68ff43ef h1:Y5Zf3CYdrdGE7GOuK/MNN98GS1V8mOfeiJlISrKUcEo=
 bitbucket.org/zombiezen/cardcpx v0.0.0-20150417151802-902f68ff43ef/go.mod h1:ZJR5FpaQx7Bt2bzIV3gBaCInI1+kG949WhNYYlRr8eA=
-github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db h1:CjPUSXOiYptLbTdr1RceuZgSFDQ7U15ITERUGrUORx8=
-github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf h1:eg0MeVzsP1G42dRafH3vf+al2vQIJU0YHX+1Tw87oco=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/certifi/gocertifi v0.0.0-20190105021004-abcd57078448 h1:8tNk6SPXzLDnATTrWoI5Bgw9s/x4uf0kmBpk21NZgI4=
 github.com/certifi/gocertifi v0.0.0-20190105021004-abcd57078448/go.mod h1:GJKEexRPVJrBSOjoqN5VNOIKJ5Q3RViH6eu3puDRwx4=
-github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk=
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
@@ -37,5 +31,7 @@ github.com/secrethub/secrethub-go v0.17.0 h1:AlRbFlLofhzY7Onv1QRI0u0iB4UTr8PCrNW
 github.com/secrethub/secrethub-go v0.17.0/go.mod h1:gqrxdTNcVowCy/Bo49Y+7En12aV24wnoG3ktUF9xW/k=
 golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b h1:+/WWzjwW6gidDJnMKWLKLX1gxn7irUTF1fLpQovfQ5M=
 golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/sys v0.0.0-20190329044733-9eb1bfa1ce65 h1:hOY+O8MxdkPV10pNf7/XEHaySCiPKxixMKUshfHsGn0=
+golang.org/x/sys v0.0.0-20190329044733-9eb1bfa1ce65/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=