Ok pour la lecture des mails, reste à voir comment les servir via http

cli.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func prompt(question string, options []string, defaultAnswer string, currentValue string, permitEmpty bool) (string, error) {
+	r := bufio.NewReader(os.Stdin)
+	if len(currentValue) == 0 {
+		currentValue = "None"
+	}
+	if len(defaultAnswer) == 0 {
+		defaultAnswer = "None"
+	}
+	if options == nil {
+		fmt.Print("->", question, "( defaults to:", defaultAnswer, " current value:", currentValue, " )", ":")
+
+	} else {
+		fmt.Print("->", question, "( defaults to:", defaultAnswer, " current value:", currentValue, " )[ ", strings.Join(options, " | "), " ]", ":")
+	}
+	response, _ := r.ReadString('\n')
+	response = strings.Trim(response, "\n")
+	if len(response) == 0 && currentValue != "None" {
+		response = currentValue
+	}
+	if len(response) == 0 && defaultAnswer != "None" {
+		response = defaultAnswer
+	}
+	if options != nil {
+		validOption := false
+		for _, opt := range options {
+			if strings.EqualFold(response, opt) {
+				validOption = true
+				response = opt
+				break
+			}
+		}
+		if !validOption {
+			return response, fmt.Errorf("invalid option")
+		}
+	}
+	if !permitEmpty && len(response) == 0 {
+		return response, fmt.Errorf("empty response")
+	}
+	return response, nil
+}