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Merge pull request #6 from majestrate/master

add websocks demo
pull/7/head
Jeff 8 years ago committed by GitHub
parent
commit
29c75822d4
  1. 14
      websocks-demo/index.html
  2. 23
      websocks-demo/style.css
  3. 293
      websocks-demo/websocks.js

14
websocks-demo/index.html

@ -0,0 +1,14 @@
<!doctype html>
<html>
<head>
<title> irc client with WebSOCKS </title>
<script src="websocks.js" type="text/javascript"></script>
<link rel="stylesheet" href="style.css"></link>
</head>
<body>
<label for="ws-server">WebSOCKS server:</label><input id="ws-server" value="ws://127.0.0.1:7766/"></input>
<input id="irc-server" value="irc.dg.i2p"></input>
<button onclick="ws_try_connect()">connect</button>
<div id="irc-window">
</div>
</html>

23
websocks-demo/style.css

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.text-window {
position: fixed;
height: 90%;
width: 100%;
white-space: pre-wrap;
overflow-wrap: break-word;
overflow-y: scroll;
}
.text-input {
width: 100%;
position: fixed;
bottom: 0px;
left: 10px;
}
#irc-window {
position: fixed;
width: 95%;
top: 20px;
left: 10px;
}

293
websocks-demo/websocks.js

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function ws_try_connect()
{
var elem = document.getElementById("irc-window");
elem.remove();
elem = document.createElement("div");
elem.id ="irc-window";
document.body.appendChild(elem);
var input = document.createElement("input");
input.setAttribute("class", "text-input");
elem.appendChild(input);
var irc = {
connected: 0,
line_in: "",
target: "",
nick: "ebin",
panes: {},
};
function irc_ui_show_pane(pane)
{
irc_ui_ensure_pane(pane);
// hide all other panes
for (var k in irc.panes) {
if(k == pane) {
irc.panes[k].elem.style = "display: inline-block";
irc.target = k;
} else {
irc.panes[k].elem.style = "display: none";
}
}
}
function irc_ui_ensure_pane(pane)
{
if(irc.panes[pane]) return;
var e = document.createElement("pre");
e.setAttribute("class", "text-window");
e.style = "display: none";
e.setAttribute("panename", pane);
irc.panes[pane] = {
elem: e,
name: pane,
};
var root = document.getElementById("irc-window");
root.appendChild(e);
}
function irc_ui_println(line, pane)
{
if(line == "") return;
var node = document.createTextNode(line);
var e = document.createElement("div");
e.appendChild(node);
if(!pane) {
pane = " ";
}
irc_ui_ensure_pane(pane);
var p = irc.panes[pane];
if(p) {
p.elem.appendChild(e);
if (pane == irc.target) {
window.scroll(0, p.elem.offsetTop + p.elem.offsetHeight);
}
} else {
console.log("No pane called "+pane);
}
}
function irc_on_privmsg(src, target, msg)
{
var parts = src.split("!");
src = parts[0].slice(1);
irc_ui_println("<"+src+ "> "+msg, target);
}
function irc_on_greeted(conn)
{
irc_ui_println("successfully joined irc");
}
function irc_on_join(src, target)
{
irc_ui_println("--> "+src, target);
}
function irc_on_part(src, target)
{
irc_ui_println("<-- "+src, target);
}
function irc_on_other(src, cmd, target, msg)
{
irc_ui_println("<"+src+"> "+msg, src);
}
function irc_process_in(conn)
{
var line = irc.line_in.trim();
console.log("--> "+line);
if(line.startsWith("PING ")) {
// handle ping
irc_sendline(conn, "PONG "+line.slice(5));
return;
}
var parts = line.split(" ");
if (parts.length > 2) {
var src = parts[0];
var cmd = parts[1];
var target = parts[2];
var idx = line.indexOf(target);
var msg = line.slice(idx+target.length+2);
if (cmd == "PRIVMSG") {
irc_on_privmsg(src, target, msg);
return;
}
if (cmd == "JOIN" ) {
irc_on_join(src, target);
return;
}
if (cmd == "PART") {
irc_on_part(src, target);
return;
}
if(cmd == "PONG") return;
if(cmd == "376") {
// we have been greeted fully
irc_on_greeted(conn);
return;
}
irc_on_other(src.slice(1), cmd, target, msg);
}
irc_ui_println(line);
}
function irc_data(conn, data)
{
data = irc.line_in + data;
var lines = data.split("\n");
for(var idx = 0; idx < lines.length; idx++) {
irc.line_in = lines [idx] + "\n";
irc_process_in(conn);
}
}
function irc_sendline(conn, line)
{
console.log("<-- "+ line);
conn.send(line + "\n");
}
function irc_privmsg(conn, target, msg)
{
irc_ui_println("<"+irc.nick+"> "+msg, target);
irc_sendline(conn, "PRIVMSG "+target+" :"+msg);
}
function irc_join_channel(conn, chnl)
{
irc_sendline(conn, "JOIN "+chnl);
irc_ui_ensure_pane(chnl);
}
function handle_input_command(conn, arg, params)
{
arg = arg.toLowerCase();
if (arg == "j" || arg == "join") {
for (var idx = 0 ; idx < params.length; idx ++) {
irc_join_channel(conn, params[idx]);
}
return;
}
if(arg == "lp" || arg == "listpanes") {
irc_ui_println("--- begin list of panes", irc.target);
for (var k in irc.panes) {
if(k == irc.target) {
irc_ui_println("(active) : "+k, irc.target);
} else {
irc_ui_println(" : "+k, irc.target);
}
}
irc_ui_println("--- end list of panes", irc.target);
return;
}
if(arg == "m" || arg == "msg") {
irc_privmsg(conn, params[0], params.slice(1).join(" "));
return;
}
if(arg == "n" || arg == "nick") {
irc_sendline(conn, "NICK "+params[0]);
irc.nick = params[0];
return;
}
if(arg == "r" || arg == "raw") {
irc_sendline(conn, params.join(" "));
return;
}
if(arg == "q" || arg == "quit") {
irc_sendline(conn, "QUIT");
return;
}
if(arg == "w" || arg == "window") {
irc.target = params[0];
irc_ui_show_pane(irc.target);
return;
}
}
function handle_input_line(conn, line)
{
if(line[0] == "/") {
var parts = line.split(" ");
handle_input_command(conn, parts[0].slice(1), parts.slice(1));
} else {
irc_privmsg(conn, irc.target, line);
}
}
function irc_connected(conn, url)
{
console.log("connected to irc");
irc_ui_show_pane(" ");
irc_ui_println("connecting to "+url+"...");
// send user command
irc_sendline(conn, "NICK "+irc.nick);
irc_sendline(conn, "USER "+irc.nick+" "+irc.nick+" "+irc.nick+" :"+irc.nick);
irc.pinger = setInterval(function(){
if(irc.connected) {
irc_sendline(conn, "PING :i-hate-tcp-lol-"+new Date().getTime());
}
}, 10000);
input.addEventListener("keypress", function(ev){
// handle enter key
switch(ev.key) {
case "Enter":
handle_input_line(conn, input.value);
ev.preventDefault();
input.value = "";
}
return;
});
}
var e = document.getElementById("ws-server");
var ws = new WebSocket(e.value);
e = document.getElementById("irc-server");
var irc_url = e.value;
ws.onclose = function(err) {
console.log("connection closed "+err);
irc.connected = 0;
clearInterval(irc.pinger);
irc_ui_println("connection closed");
}
ws.onopen = function(ev) {
console.log("connect to "+irc_url);
irc_ui_println("resolving "+irc_url+" ...");
ws.send(irc_url);
}
ws.onmessage = function(ev) {
var data = ev.data;
if(irc.connected) {
irc_data(ws, data);
} else {
var j = JSON.parse(data);
if(j.error) {
console.log("WebSOCKS error: "+j.error);
console.log("try again");
setTimeout(function() {
ws.send(irc_url);
}, 1000);
}
irc.connected = j.success == "1";
if(irc.connected) {
irc_connected(ws, irc_url);
}
}
}
}
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