Claytonia/cryptalk
Claytonia/cryptalk
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Base for multi-host support

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Must do further testing; it's too late for me to continue now.
This commit is contained in:
unkelpehr 2014-09-22 01:04:52 +02:00
parent 482d352f30
commit f90869e370
9 changed files with 372 additions and 127 deletions
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30
public/css/default.css
View file

@ -24,6 +24,12 @@ body, html {
color: #00DD00;
}
.good { color: #99FF99; }
.bad { color: #ff7777; }
.info { color:#99FFFF; }
.neutral { color: #eeeeee; }
/*------------------------------------*\
CHAT
\*------------------------------------*/
@ -58,7 +64,7 @@ body, html {
#chat i.fatal { color: #ff7777; }
/*------------------------------------*\
INPUT
INPUT & LOADER
\*------------------------------------*/
#input_wrapper {
right:0;
@ -69,7 +75,8 @@ body, html {
height:30px;
}
#input {
#input,
#loader {
top: 0;
bottom: 0;
width: 100%;
@ -78,9 +85,28 @@ body, html {
border: 0;
outline: 0;
padding: 5px 5px 5px 15px;
color: #FFFFFF;
background-color:#141414;
height:30px;
}
#input { z-index: 1; }
#loader { z-index: 0; line-height: 20px; font-size: 14px; font-weight: 100; font-family: tahoma;}
/*------------------------------------*\
SPINNER
\*------------------------------------*/
.loading #loader { z-index: 2; }
.loading #loader span {
margin-left:-2px;
-webkit-animation: rotation 1s infinite linear;
}
@-webkit-keyframes rotation {
from {-webkit-transform: rotate(0deg);}
to {-webkit-transform: rotate(359deg);}
}

5
public/index.html
View file

@ -15,10 +15,11 @@
</ul>
<!-- Message input -->
<div id="input_wrapper">
<div id="input_wrapper" class="loading">
<div id="loader"><span>|</span></div>
<input type="text" id="input" />
</div>
<!-- Only include the script needed for loading the app -->
<script src="js/vendor/fandango.v20140921.min.js"></script>
<script src="js/bootstrap.js"></script>

3
public/js/bootstrap.js vendored
View file

@ -5,6 +5,9 @@ fandango.defaults({
baseUrl: 'js/cryptalk_modules/',
paths: {
websocket: 'https://cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js',
// Newer version:
// We'll have to fix the Access Control issue first though (https://github.com/Automattic/socket.io-client/issues/641).
// websocket: 'https://cdn.socket.io/socket.io-1.1.0.js',
aes: 'https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js',
domReady: 'https://cdnjs.cloudflare.com/ajax/libs/require-domReady/2.0.1/domReady.min.js'
},

47
public/js/cryptalk_modules/$.js
View file

@ -9,7 +9,16 @@ define(['fandango', 'websocket', 'aes'], function (fandango, websocket, aes) {
utils = exports.utilities,
proto = exports.prototype,
each = fandango.each;
each = fandango.each,
/**
* Regex for matching NaN.
*
* @property reNaN
* @type {Regex}
* @private
*/
reDigits = /^\d+$/;
// The DOM selector engine
exports.selector = function (selector) {
@ -61,6 +70,20 @@ define(['fandango', 'websocket', 'aes'], function (fandango, websocket, aes) {
try { return document.activeElement; } catch (e) {}
}
/**
* Removes all characters but 0 - 9 from given string.
*
* @method digits
* @param {String} str The string to sanitize
* @return {String} The sanitized string
* @example
* $.digits('foo8bar'); // `8`
* $.digits('->#5*duckM4N!!!111'); // `54111`
*/
utils.isDigits = function(value) {
return reDigits.test(value);
};
/**
* A very simple templating function.
* @param {} str [description]
@ -73,6 +96,28 @@ define(['fandango', 'websocket', 'aes'], function (fandango, websocket, aes) {
});
};
utils.getJSON = function (path, onSuccess, onError) {
var data, request = new XMLHttpRequest();
request.open('GET', path, true);
request.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status >= 200 && this.status < 400) {
try {
onSuccess && onSuccess(JSON.parse(this.responseText));
} catch (e) {
onError && onError();
}
} else {
onError && onError();
}
}
};
request.send();
request = null;
};
// Part of this is originating from mustasche.js
// Code: https://github.com/janl/mustache.js/blob/master/mustache.js#L43
// License: https://github.com/janl/mustache.js/blob/master/LICENSE

355
public/js/cryptalk_modules/cryptalk.js
View file

@ -1,7 +1,7 @@
// Main cryptalk module
define({
compiles: ['$'],
requires: ['settings', 'templates', 'sound', 'fandango']
requires: ['hosts', 'templates', 'sound', 'fandango']
}, function ($, requires, data) {
var socket,
key,
@ -9,8 +9,9 @@ define({
room,
hash,
nick,
mute,
mute = false,
settings = {},
history = [],
history_pos = -1,
@ -20,15 +21,27 @@ define({
// Collection of DOM components
components = {
chat: $('#chat'),
input: $('#input')
input: $('#input'),
inputWrapper: $('#input_wrapper')
},
// Shortcut
settings = requires.settings;
hosts = requires.hosts.hosts;
fandango = requires.fandango;
templates = requires.templates;
sound = requires.sound;
lockInput = function () {
components.input[0].setAttribute('disabled', 'disabled');
components.inputWrapper[0].className = 'loading';
},
unlockInput = function () {
components.input[0].removeAttribute('disabled');
components.inputWrapper[0].className = '';
components.input.focus();
},
// Adds a new message to the DOM
post = function (type, text, clearChat, clearBuffer, nick) {
var tpl = templates.post[type],
@ -53,8 +66,205 @@ define({
// Chat related commands
commands = {
help: function () {
help: function (payload, done) {
post('motd', templates.help);
done();
},
hosts: function (force, done) {
var i = 0,
left = hosts.length,
host,
strhosts = '\n',
callback = function (host, index, isUp) {
return function (hostSettings) {
host.settings = (isUp ? hostSettings : 0);
strhosts += $.template(templates.messages[(isUp ? 'host_available' : 'host_unavailable')], {
name: host.name,
path: host.path,
index: index
});
if (!--left) {
post('info', strhosts);
done();
}
}
};
//
force = (force && force.toLowerCase() === 'force');
// Loop through all the hosts
while (host = hosts[i]) {
if (!force && host.settings !== undefined) {
if (host.settings) {
callback(host, i, 1)();
} else {
callback(host, i, 0)();
}
} else {
require([host.path], callback(host, i, 1), callback(host, i, 0));
}
i++;
}
},
connect: function (toHost, done) {
var request;
if (host && host.connected) {
done();
return post('error', $.template(templates.messages.already_connected, {
host: host.name || 'localhost'
}));
}
if ($.isDigits(toHost)) {
if (host = hosts[+toHost]) {
if (host.settings) {
settings = host.settings;
} else {
request = host.path;
}
} else {
return post('error', 'Undefined host index: ' + toHost);
}
} else if (fandango.is(toHost, 'untyped')) {
settings = toHost.settings;
} else { // Assume string
request = toHost;
}
if (request) {
return require([request], function (settings) {
host.settings = settings;
commands.connect(toHost, done);
}, function () {
return post('error', 'Could not fetch host settings: ' + request);
});
}
// Push 'Connecting...' message
post('info', $.template(templates.messages.connecting, {
host: host.name || 'localhost'
}));
// The one and only socket
socket = $.Websocket.connect(host.host, {
forceNew: true,
'force new connection': true
});
// Bind socket events
socket
.on('room:generated', function (data) {
var sanitized = $.escapeHtml(data);
post('server', $.template(templates.server.room_generated, { payload: sanitized }));
socket.emit('room:join', sanitized);
})
.on('room:joined', function (data) {
room = data;
post('info', $.template(templates.messages.joined_room, { roomName: room }));
// Automatically count persons on join
socket.emit('room:count');
})
.on('room:left', function () {
post('info', $.template(templates.messages.left_room, { roomName: room }));
// Clear history on leaving room
clearHistory();
room = false;
})
.on('message:send', function (data) {
var decrypted = $.AES.decrypt(data.msg, room + key),
sanitized = $.escapeHtml(decrypted),
nick = (data.nick == undefined || !data.nick ) ? templates.default_nick : $.escapeHtml($.AES.decrypt(data.nick, room + key));
if (!decrypted) {
post('error', templates.messages.unable_to_decrypt);
} else {
post('message', sanitized, false, false, nick);
if( !mute ) sound.playTones(sound.messages.message);
}
})
.on('message:server', function (data) {
if( data.msg ) {
var sanitized = $.escapeHtml(data.msg);
if( templates.server[sanitized] ) {
if( data.payload !== undefined ) {
var sanitized_payload = $.escapeHtml(data.payload);
post('server', $.template(templates.server[sanitized], { payload: sanitized_payload }));
} else {
post('server', templates.server[sanitized]);
}
// Play sound
if (sound.messages[sanitized] !== undefined && !mute ) sound.playTones(sound.messages[sanitized]);
} else {
post('error', templates.server.bogus);
}
} else {
post('error', templates.server.bogus);
}
})
.on('connect', function () {
// Tell the user that the chat is ready to interact with
post('info', $.template(templates.messages.connected, {
host: host.name || 'localhost'
}));
host.connected = 1;
done();
})
.on('disconnect', function () {
room = 0;
key = 0;
host.connected = 0;
// Tell the user that the chat is ready to interact with
post('info', $.template(templates.messages.disconnected, {
host: host.name || 'localhost'
}));
})
.on('error', function () {
room = 0;
key = 0;
host.connected = 0;
post('error', templates.messages.socket_error);
done();
});
},
reconnect: function (foo, done) {
if (host) {
if (host.connected) {
commands.disconnect()
commands.connect(host, done);
} else {
commands.connect(host, done);
}
} else {
done();
return post('error', templates.messages.reconnect_no_host);
}
},
disconnect: function () {
socket.disconnect();
},
clear: function () {
@ -81,6 +291,10 @@ define({
},
key: function (payload) {
if (!host) {
return post('error', templates.messages.key_no_host);
}
// Make sure the key meets the length requirements
if (payload.length > settings.key_maxLen) {
return post('error', templates.messages.key_to_long);
@ -119,6 +333,10 @@ define({
},
join: function (payload) {
if (!host) {
return post('error', templates.messages.join_no_host);
}
return (
room
? post('error', templates.messages.already_in_room)
@ -169,7 +387,7 @@ define({
// The Document object is bound to this element.
// If the active element is not the input, focus on it and exit the function.
// Ignore this when ctrl and/or alt is pressed!
if (components.input[0] !== $.activeElement() && !e.ctrlKey && !e.altKey) {
if (!e.ctrlKey && !e.altKey && components.input[0] !== $.activeElement()) {
return components.input.focus();
}
@ -178,7 +396,7 @@ define({
history_timer = setTimeout(clearHistory, 60000);
// Check for escape key, this does nothing but clear the input buffer and reset history position
if ( e.keyCode == 27 ) {
if (e.keyCode == 27) {
history_pos = -1;
clearInput();
@ -186,7 +404,7 @@ define({
}
// Check for up or down-keys, they handle the history position
if( e.keyCode == 38 || e.keyCode == 40) {
if (e.keyCode == 38 || e.keyCode == 40) {
if (e.keyCode == 38 ) { history_pos = (history_pos > history.length - 2) ? -1 : history_pos = history_pos + 1; }
else { history_pos = (history_pos <= 0) ? -1 : history_pos = history_pos - 1; }
@ -220,8 +438,18 @@ define({
return post('error', $.template(templates.messages.unrecognized_command, { commandName: command }));
}
// Execute command handler
commands[command](payload);
// Some commands are asynchrounous;
// If the command expects more than one argument, the second argument is a callback that is called when the command is done.
if (commands[command].length > 1) {
// Lock the input from further interaction
lockInput();
// Execute command handler with callback function.
commands[command](payload, unlockInput);
} else {
// Execute normally.
commands[command](payload);
}
// Clear input field
clearInput();
@ -257,103 +485,24 @@ define({
}
};
host = settings.host;
// Bind the necessary DOM events
$(document).on('keydown', onKeyDown);
// Put focus on the message input
components.input.focus();
// Post the help/welcome message
post('motd', templates.motd, true);
// Push 'Connecting...' message
post('info', $.template(templates.messages.connecting, {
host: host || 'localhost'
}));
unlockInput();
// The one and only socket
socket = $.Websocket.connect(host);
// It's possible to provide room and key using the hashtag.
// The room and key is then seperated by semicolon (room:key).
// If there is no semicolon present, the complete hash will be treated as the room name and the key has to be set manually.
if (host && (hash = window.location.hash)) {
parts = hash.slice(1).split(':');
// Bind socket events
socket
.on('room:generated', function (data) {
var sanitized = $.escapeHtml(data);
post('server', $.template(templates.server.room_generated, { payload: sanitized }));
socket.emit('room:join', sanitized);
})
.on('room:joined', function (data) {
room = data;
post('info', $.template(templates.messages.joined_room, { roomName: room }));
// Automatically count persons on join
socket.emit('room:count');
})
.on('room:left', function () {
post('info', $.template(templates.messages.left_room, { roomName: room }));
// Clear history on leaving room
clearHistory();
room = false;
})
.on('message:send', function (data) {
var decrypted = $.AES.decrypt(data.msg, room + key),
sanitized = $.escapeHtml(decrypted),
nick = (data.nick == undefined || !data.nick ) ? templates.default_nick : $.escapeHtml($.AES.decrypt(data.nick, room + key));
if (!decrypted) {
post('error', templates.messages.unable_to_decrypt);
} else {
post('message', sanitized, false, false, nick);
if( !mute ) sound.playTones(sound.messages.message);
}
})
.on('message:server', function (data) {
if( data.msg ) {
var sanitized = $.escapeHtml(data.msg);
if( templates.server[sanitized] ) {
if( data.payload !== undefined ) {
var sanitized_payload = $.escapeHtml(data.payload);
post('server', $.template(templates.server[sanitized], { payload: sanitized_payload }));
} else {
post('server', templates.server[sanitized]);
}
// Play sound
if (sound.messages[sanitized] !== undefined && !mute ) sound.playTones(sound.messages[sanitized]);
} else {
post('error', templates.server.bogus);
}
} else {
post('error', templates.server.bogus);
}
})
.on('connect', function () {
// Bind the necessary DOM events
$(document).on('keydown', onKeyDown);
// Put focus on the message input
components.input.focus();
// Tell the user that the chat is ready to interact with
post('info', $.template(templates.messages.connected, {
host: host || 'localhost'
}));
// It's possible to provide room and key using the hashtag.
// The room and key is then seperated by semicolon (room:key).
// If there is no semicolon present, the complete hash will be treated as the room name and the key has to be set manually.
if (hash = window.location.hash) {
parts = hash.slice(1).split(':');
parts[0] && commands.join(parts[0]);
parts[1] && commands.key(parts[1]);
}
})
.on('error', function () {
post('error', templates.messages.socket_error);
});
parts[0] && commands.join(parts[0]);
parts[1] && commands.key(parts[1]);
}
});

15
public/js/cryptalk_modules/hosts.js Normal file
View file

@ -0,0 +1,15 @@
define({
// Used to autoconnect to specific host.
// Points to a specific index in the 'hosts' array.
// Use -1 to not autoconnect.
autoconnect: 0,
// A collection of hosts to choose from
hosts: [
{
name: 'localhost',
host: 'http://localhost:8080',
path: 'http://localhost:8080/js/cryptalk_modules/settings.js'
}
]
});

3
public/js/cryptalk_modules/settings.js
View file

@ -1,7 +1,4 @@
define({
// If no host is given it will default to localhost.
host: '',
nick_maxLen: 20,
nick_minLen: 3,

11
public/js/cryptalk_modules/templates.js
View file

@ -65,6 +65,9 @@ define({
key_to_long: 'Man that\'s a long key. Make it a tad short, \'kay?',
key_ok_ready: 'Key set, you can now start communicating.',
key_ok_but_no_room: 'Key set, you can now join a room and start communicating.',
key_no_host: 'You have to connect to a host before setting the key.',
join_no_host: 'You have to connect to a host before joining a room.',
nick_to_short: 'Nickname is too short, it has to be at least {nick_minLen} characters long. Try again.',
nick_to_long: 'Nickname is too long, it can be at most {nick_maxLen} characters long. Try again.',
@ -90,7 +93,13 @@ define({
socket_error: 'A network error has occurred. A restart may be required to bring back full functionality.<br>Examine the logs for more details.',
connecting: 'Connecting to host {host}...',
connected: 'A connection to the server has been established. Happy chatting!'
connected: 'A connection to the server has been established. Happy chatting!',
disconnected: 'Disconnected from host {host}.',
already_connected: 'You have to disconnect from {host} before joining another.',
reconnect_no_host: 'There is no host to reconnect with.',
host_available: '<span class="info">{index}</span> <span class="good">[AVAILABLE]</span> <span class="neutral">{name}</span>\n',
host_unavailable: '<span class="info">{index}</span> <span class="bad">[UNAVAILABLE]</span> <span class="neutral">{name}</span>\n'
},
server: {

30
public/js/vendor/fandango.v20140921.min.js vendored
View file

@ -1,20 +1,20 @@
(function(r){function A(f){this.name="TimeoutError";this.message=f||""}function B(f){this.name="RejectedError";this.message=f||""}function F(f,c,e,g){var d,a,b=[],m,p,k,h=function(a){f.length===b.push(l[a].exports)&&(g&&clearTimeout(m),c(b))};g=g||v.timeout;for(k=0;p=f[k++];)if((d=l[p])&&1!==d.state)if(2===d.state)if(a=new B('Could resolve all dependencies; dependency "'+p+'" has been rejected.'),e)e(a);else throw a;else 3===d.state&&h(p);else(u[p]=u[p]||[]).push(h);g&&(m=setTimeout(function(){for(var c,
d,m=0,p=0;c=f[m++];)for(p=0;d=b[p++];)c===d&&(b.splice(--p,1),f.splice(--m,1));a=new A("Load timeout of "+g+'ms exceeded for module(s) "'+f.join('", "')+'".');if(e)e(a);else throw a;},g))}function y(){var f=!1,c,e,g,d,a,b,m;if(arguments[0]!==C){for(c=0;(e=arguments[c++])&&(_type=(typeof e)[0]);)if("s"===_type?d?g=1:d=e:"f"===_type?b?m?g=1:m=e:b=e:"o"===_type&&(h.is(e,"array")?(a={requires:e},f=!0):a?b=e:a=e),g)throw new TypeError("define called with unrecognized signature; `"+Array.prototype.join.call(arguments,
", ")+"`.");a=a||{};d=d||a.UID;b=b||a.factory;m=m||a.onRejected}else if(c=D.pop())d=arguments[1],a=c[0],b=c[1],m=c[2],f=c[3];else throw Error("Inconsistent naming queue");if(!b)if(a)b=a,a={};else throw Error('Missing factory for module "'+d+'"');if(l[d])throw Error('Duplicate entry for module "'+d+'"');d?(c=l[d]=a,c.UID=d,c.amdStyle=f,c.factory=b,c.state=1,c.requires=h.is(c.requires,"array")&&c.requires,c.inherits=h.is(c.inherits,"array")&&c.inherits,c.compiles=h.is(c.compiles,"array")&&c.compiles,
c.instances||(c.instances={instance1:{}})):D.unshift([a,b,m,f])}var l={},v={deepCopy:!0,baseUrl:"",namespace:"default",timeout:1E3,paths:{},shim:{}},h={},C={a:1},u={},D=[],z=Array.prototype.push;A.prototype=Error.prototype;B.prototype=Error.prototype;h.is=function(){var f=Object.prototype.hasOwnProperty,c=Object.prototype.toString,e={array:Array.isArray||function(a){return"[object Array]"==c.call(a)},arraylike:function(a){if(!a||!a.length&&0!==a.length||e.window(a))return!1;var b=a.length;return 1===
(function(s){function A(f){this.name="TimeoutError";this.message=f||""}function B(f){this.name="RejectedError";this.message=f||""}function F(f,c,e,g){var d,a,b=[],n,m,k,h=function(a){f.length===b.push(l[a].exports)&&(g&&clearTimeout(n),c(b))};g=g||v.timeout;for(k=0;m=f[k++];)if((d=l[m])&&1!==d.state)if(2===d.state)if(a=new B('Could resolve all dependencies; dependency "'+m+'" has been rejected.'),e)e(a);else throw a;else 3===d.state&&h(m);else(u[m]=u[m]||[]).push(h);g&&(n=setTimeout(function(){for(var d,
c,n=0,m=0;d=f[n++];)for(m=0;c=b[m++];)d===c&&(b.splice(--m,1),f.splice(--n,1));a=new A("Load timeout of "+g+'ms exceeded for module(s) "'+f.join('", "')+'".');if(e)e(a);else throw a;},g))}function y(){var f=!1,c,e,g,d,a,b,n;if(arguments[0]!==C){for(c=0;(e=arguments[c++])&&(_type=(typeof e)[0]);)if("s"===_type?d?g=1:d=e:"f"===_type?b?n?g=1:n=e:b=e:"o"===_type&&(h.is(e,"array")?(a={requires:e},f=!0):a?b=e:a=e),g)throw new TypeError("define called with unrecognized signature; `"+Array.prototype.join.call(arguments,
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