examples/client: Disable echo for sensitive input

examples/cert/cert.go

@@ -6,7 +6,7 @@ import (
 	"log"
 	"time"
 
-	gmi "git.sr.ht/~adnano/go-gemini"
+	"git.sr.ht/~adnano/go-gemini"
 )
 
 func main() {

examples/client/client.go

@@ -8,9 +8,11 @@ import (
 	"crypto/x509"
 	"fmt"
 	"os"
+	"syscall"
 	"time"
 
-	gmi "git.sr.ht/~adnano/go-gemini"
+	"git.sr.ht/~adnano/go-gemini"
+	"golang.org/x/crypto/ssh/terminal"
 )
 
 var (
@@ -76,8 +78,16 @@ func sendRequest(req *gmi.Request) error {
 	switch resp.Status / 10 {
 	case gmi.StatusClassInput:
 		fmt.Printf("%s: ", resp.Meta)
-		scanner.Scan()
-		req.URL.RawQuery = scanner.Text()
+		if resp.Status == gmi.StatusSensitiveInput {
+			input, err := terminal.ReadPassword(int(syscall.Stdin))
+			if err != nil {
+				return err
+			}
+			req.URL.RawQuery = string(input)
+		} else {
+			scanner.Scan()
+			req.URL.RawQuery = scanner.Text()
+		}
 		return sendRequest(req)
 	case gmi.StatusClassSuccess:
 		fmt.Print(string(resp.Body))
@@ -135,7 +145,7 @@ func trustCertificate(cert *x509.Certificate) trust {
 
 func main() {
 	if len(os.Args) < 2 {
-		fmt.Println("usage: %s gemini://...", os.Args[0])
+		fmt.Printf("usage: %s gemini://...", os.Args[0])
 		os.Exit(1)
 	}
 

gemini_test.go

@@ -32,7 +32,7 @@ func TestServeMuxEntryOrder(t *testing.T) {
 	for _, s := range a {
 		mux.Handle(s, nil)
 	}
-	for i, e := range mux.entries {
+	for i, e := range mux.es {
 		s := e.u.String()
 		if s != expected[i] {
 			t.Errorf("wrong order of mux entries: expected %s, got %s", expected[i], s)

go.mod

@@ -1,3 +1,5 @@
 module git.sr.ht/~adnano/go-gemini
 
 go 1.15
+
+require golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a

go.sum

@@ -0,0 +1,8 @@
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM=
+golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=