http-wokou/pkg/server.go

/*
				GNU GENERAL PUBLIC LICENSE
                 Version 3, 29 June 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

 http-wokou, An HTTP Proxying framework for bypassing DNS Security
 Copyright (C) 2024 Russell Hrubesky, ChiralWorks Software LLC

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.

*/

package httpserver

import (
	"bufio"
	"encoding/json"
	"fmt"
	"log"
	"net/http"
	"os"
	"strconv"
	"strings"
)

var prompts = [...]string{
	"Name of the cookie: ",
	"Value to supply it: ",
	"Max age of the cookie (default=0, for no expiry): ",
	"URI path to include it for (default=/): ",
	"Domain that the cookie belongs to:  ",
	"HTTPS only? (default yes) y/n: ",
	"Include it in subdomains? (default=y) y/n: ",
}

/*
Open an interactive prompt for a user to save cookies to
*/
func AddCookiePrompt(path string, cookies []*http.Cookie) {
	var answers []string
	var https bool
	var subd bool
	var name string
	var value string
	var domain string
	maxAge := 0
	path := "/"
	reader := bufio.NewReader(os.Stdin)
	for idx := range prompts {
		fmt.Print(prompts[idx])
		ans, err := reader.ReadString('\n')
		if err != nil {
			log.Fatal("Fatal error when reading cookie creation input: ", err)
		}
		ans = strings.TrimSuffix(ans, "\n")
		if prompts[idx] == "HTTPS only? (default yes) y/n: " {
			if ans == "y" {
				https = true
			}
			if ans == "n" {
				https = false
			}
		}
		if prompts[idx] == "Max age of the cookie (default=0, for no expiry): " {
			if ans != "" {
				maxAge, err = strconv.Atoi(answers[idx])
				if err != nil {
					log.Fatal("Not an integer!")
				}
			}
		}
		if prompts[idx] == "Include it in subdomains? (default=y) y/n: " {
			if ans == "y" {
				subd = true
			}
			if ans == "n" {
				subd = false
			}
		}
		if prompts[idx] == "URI path to include it for (default=/): " {
			if ans != "" {
				path = prompts[idx]
			}
		}
		if prompts[idx] == "Name of the cookie: " {
			name = ans
		}
		if prompts[idx] == "Value to supply it: " {
			value = ans
		}
		if prompts[idx] == "Domain that the cookie belongs to:  " {
			domain = ans
		}

	}
	ck := &http.Cookie{
		Name:   name,
		Value:  value,
		MaxAge: maxAge,
		Path:   path,
		Domain: domain,
		Secure: https,
	}
	cookies = append(cookies, ck)
	b, err := json.Marshal(cookies)
	if err != nil {
		log.Fatal("couldnt marshal the cookie: ", err)
	}

	os.WriteFile(path, b, os.ModePerm)

}