TC
/
Zoraxy
mirror de https://git.hkwtc.org/TC/ReverseProxy


			
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							<!DOCTYPE html>
<html>
    <head>
        <meta name="apple-mobile-web-app-capable" content="yes" />
        <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1"/>
        <meta charset="UTF-8">
        <meta name="theme-color" content="#4b75ff">
        <link rel="icon" type="image/png" href="./favicon.png" />
        <title>Web SSH | Zoraxy</title>
        <link rel="stylesheet" href="../script/semantic/semantic.min.css">
        <script src="../script/jquery-3.6.0.min.js"></script>
        <script src="../../script/ao_module.js"></script>
        <script src="../script/semantic/semantic.min.js"></script>
        <script src="../script/tablesort.js"></script>
        <link rel="stylesheet" href="../main.css">
        <style>

            #loadingUI{

                width: 100%;

                height: 100%;

                background-color: black;

                position: fixed;

                top: 0;

                left: 0;

                display:none;

            }


            #loadingUI div{

                color: white;

                font-family: monospace;

            }

        </style>
    </head>
    <body>
        <div id="loadingUI">
            <div style="margin-top: 2em; margin-left: 2em; color: white;">
                <i class="ui loading spinner icon"></i> <b>Creating virtual terminal session</b><br>
                <div id="counter" style="color: white; margin-left: 1.9em;">Setting Up Environment</div>
            </div>
        </div>
        <div id="connectionSettings">
            <div class="ui container">
                <br>
                <div class="ui form">
                    <div class="two fields">
                    <div class="field">
                        <label>Server Name or IP Address</label>
                        <input type="text" name="server" placeholder="e.g. example.com or 192.168.1.1">
                    </div>
                    <div class="field">
                        <label>Port Number</label>
                        <input type="number" name="port" placeholder="e.g. 22 or 2022">
                    </div>
                        <div class="field">
                            <label>Username</label>
                            <input type="text" name="username" placeholder="root">
                        </div>
                    </div>
                </div>
                <div id="ui error message">

                </div>

                <div style="float: right;">
                    <button class="ui basic button"  onclick="connectSSH()"><i class="ui blue exchange icon"></i> Connect</button>
                    <button class="ui basic button" onclick="window.open('', '_self', ''); window.close();"><i class="ui red remove icon"></i> Close</button>
                </div>
            </div>
            <br><br><br>
        </div>
        <script>

            /*

                SSHCONN


                This interface is designed to start a ssh connection instance

                and brige the virtual terminal to the web front-end


                Example Usage: 

                let settingPayload = {

                    server: "192.168.1.100",

                    port: 2022,

                    username: "pi"

                }


                let settings = encodeURIComponent(JSON.stringify(settingPayload));

                window.open("sshconn.html#" + settings)

            */


            if (window.location.hash.length > 1){

                try{

                    var c = JSON.parse(decodeURIComponent((window.location.hash.substr(1))));

                    $('input[name="server"]').val(c.server);

                    $('input[name="port"]').val(c.port);

                    $('input[name="username"]').val(c.username);

                    connectSSH();

                }catch(ex){

                    alert("invalid usage")

                }

            }


            //Start the SSH connection process

            function connectSSH() {

                const serverValue = $('input[name="server"]').val().trim();

                var portString = $('input[name="port"]').val().trim();

                if (portString.trim() == ""){

                    portString = "22";

                }

                const portValue = parseInt(portString, 10);

                const username = $('input[name="username"]').val().trim();

                if (username == ""){

                    username = "root";

                }

                // Validate server name or IP address

                const validServer = isValidServerNameOrIPAddress(serverValue);

                
                // Validate port number

                const validPort = (portValue >= 1 && portValue <= 65535);

                
                if (validServer && validPort) {

                    // Call doSomething function if both inputs are valid

                    createSSHProxy(serverValue, portValue, username);

                } else {

                    // Display an error message if either input is invalid

                    const errorLabel = $('<div>').addClass('ui red basic label');

                    if (!validServer) {

                        $('input[name="server"]').parent().addClass('error');

                    } else{

                        $('input[name="server"]').parent().removeClass('error');

                    }

                    
                    if (!validPort) {

                        $('input[name="port"]').parent().addClass('error');

                    }else{

                        $('input[name="port"]').parent().removeClass('error');

                    }

                }

            }


            function redirectWithCountdown(url) {

                $("#loadingUI").show();

                $("#connectionSettings").hide();

                var count = 3;

                var interval = setInterval(function() {

                    $("#counter").html("ETA " + count + " seconds");

                        count--;

                        if (count === 0) {

                        clearInterval(interval);

                        window.location.href = url;

                    }

                }, 1000);

            }

                
            //Try to ask the server side to create a ssh proxy object

            function createSSHProxy(remoteAddr, remotePort, username){

                //Request to create a ssh session instance

                $.ajax({

                    url: "/api/tools/webssh",

                    data: {ipaddr: remoteAddr, port: remotePort, username:username},

                    method: "POST",

                    success: function(sessionToken){

                        if (sessionToken.error != undefined){

                            alert(sessionToken.error);

                        }else{

                            //Session created. Redirect to ssh terminal

                            redirectWithCountdown("/web.ssh/" + sessionToken + "/");

                        }

                    },

                    error: function(){


                    }


                })

            }


            function isValidServerNameOrIPAddress(str) {

                //loopback

                if (str == "localhost"){

                    return true;

                }


                // First, check if the string is a valid IP address

                const ipAddressRegex = /^(\d{1,3}\.){3}\d{1,3}$/;

                if (ipAddressRegex.test(str)) {

                    return true;

                }


                // If the string is not an IP address, check if it is a valid domain name or server name

                const serverNameRegex = /^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z]{2,})+$/;

                if (serverNameRegex.test(str)) {

                    return true;

                }


                // If the string is neither an IP address nor a server name, return false

                return false;

            }

        </script>
    </body>
</html>