add ask flag

src/cli/cli.go

@@ -72,6 +72,7 @@ func Run() (err error) {
 		cli.BoolFlag{Name: "debug", Usage: "increase verbosity (a lot)"},
 		cli.BoolFlag{Name: "yes", Usage: "automatically agree to all prompts"},
 		cli.BoolFlag{Name: "stdout", Usage: "redirect file to stdout"},
+		cli.BoolFlag{Name: "ask", Usage: "make sure sender and recipient are prompted"},
 		cli.StringFlag{Name: "relay", Value: models.DEFAULT_RELAY, Usage: "address of the relay"},
 		cli.StringFlag{Name: "out", Value: ".", Usage: "specify an output folder to receive the file"},
 	}
@@ -139,6 +140,7 @@ func send(c *cli.Context) (err error) {
 		Stdout:       c.GlobalBool("stdout"),
 		DisableLocal: c.Bool("no-local"),
 		RelayPorts:   strings.Split(c.String("ports"), ","),
+		Ask:          c.GlobalBool("ask"),
 	}
 	b, errOpen := ioutil.ReadFile(getConfigFile())
 	if errOpen == nil && !c.GlobalBool("remember") {
@@ -288,6 +290,7 @@ func receive(c *cli.Context) (err error) {
 		NoPrompt:     c.GlobalBool("yes"),
 		RelayAddress: c.GlobalString("relay"),
 		Stdout:       c.GlobalBool("stdout"),
+		Ask:          c.GlobalBool("ask"),
 	}
 	if c.Args().First() != "" {
 		crocOptions.SharedSecret = c.Args().First()

src/croc/croc.go

@@ -55,6 +55,7 @@ type Options struct {
 	Stdout       bool
 	NoPrompt     bool
 	DisableLocal bool
+	Ask          bool
 }
 
 // Client holds the state of the croc transfer
@@ -519,7 +520,7 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
 		}
 	}
 	// c.spinner.Stop()
-	if !c.Options.NoPrompt {
+	if !c.Options.NoPrompt || c.Options.Ask {
 		fmt.Fprintf(os.Stderr, "\rAccept %s (%s)? (y/n) ", fname, utils.ByteCountDecimal(totalSize))
 		if strings.ToLower(strings.TrimSpace(utils.GetInput(""))) != "y" {
 			err = message.Send(c.conn[0], c.Key, message.Message{
@@ -900,7 +901,19 @@ func (c *Client) updateState() (err error) {
 	}
 
 	if c.Options.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransfer {
+		if c.Options.Ask {
+			fmt.Fprintf(os.Stderr, "\rSend to X? (y/n) ")
+			if strings.ToLower(strings.TrimSpace(utils.GetInput(""))) != "y" {
+				err = message.Send(c.conn[0], c.Key, message.Message{
+					Type:    "error",
+					Message: "refusing files",
+				})
+				return fmt.Errorf("refused files")
+			}
+		}
+
 		log.Debug("start sending data!")
+
 		if !c.firstSend {
 			fmt.Fprintf(os.Stderr, "\nSending (->%s)\n", c.ExternalIPConnected)
 			c.firstSend = true