/
pubnub.js
1371 lines (1197 loc) · 43.6 KB
/
pubnub.js
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// Version: 3.5.47
var NOW = 1
, READY = false
, READY_BUFFER = []
, PRESENCE_SUFFIX = '-pnpres'
, DEF_WINDOWING = 10 // MILLISECONDS.
, DEF_TIMEOUT = 10000 // MILLISECONDS.
, DEF_SUB_TIMEOUT = 310 // SECONDS.
, DEF_KEEPALIVE = 60 // SECONDS (FOR TIMESYNC).
, SECOND = 1000 // A THOUSAND MILLISECONDS.
, URLBIT = '/'
, PARAMSBIT = '&'
, REPL = /{([\w\-]+)}/g;
/**
* UTILITIES
*/
function unique() { return'x'+ ++NOW+''+(+new Date) }
function rnow() { return+new Date }
/**
* NEXTORIGIN
* ==========
* var next_origin = nextorigin();
*/
var nextorigin = (function() {
var max = 20
, ori = Math.floor(Math.random() * max);
return function( origin, failover ) {
return origin.indexOf('pubsub.') > 0
&& origin.replace(
'pubsub', 'ps' + (
failover ? uuid().split('-')[0] :
(++ori < max? ori : ori=1)
) ) || origin;
}
})();
/**
* Build Url
* =======
*
*/
function build_url( url_components, url_params ) {
var url = url_components.join(URLBIT)
, params = [];
if (!url_params) return url;
each( url_params, function( key, value ) {
(typeof value != 'undefined' &&
value != null && encode(value).length > 0
) && params.push(key + "=" + encode(value));
} );
url += "?" + params.join(PARAMSBIT);
return url;
}
/**
* UPDATER
* =======
* var timestamp = unique();
*/
function updater( fun, rate ) {
var timeout
, last = 0
, runnit = function() {
if (last + rate > rnow()) {
clearTimeout(timeout);
timeout = setTimeout( runnit, rate );
}
else {
last = rnow();
fun();
}
};
return runnit;
}
/**
* GREP
* ====
* var list = grep( [1,2,3], function(item) { return item % 2 } )
*/
function grep( list, fun ) {
var fin = [];
each( list || [], function(l) { fun(l) && fin.push(l) } );
return fin
}
/**
* SUPPLANT
* ========
* var text = supplant( 'Hello {name}!', { name : 'John' } )
*/
function supplant( str, values ) {
return str.replace( REPL, function( _, match ) {
return values[match] || _
} );
}
/**
* timeout
* =======
* timeout( function(){}, 100 );
*/
function timeout( fun, wait ) {
return setTimeout( fun, wait );
}
/**
* uuid
* ====
* var my_uuid = uuid();
*/
function uuid(callback) {
var u = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,
function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
});
if (callback) callback(u);
return u;
}
/**
* EACH
* ====
* each( [1,2,3], function(item) { } )
*/
function each( o, f ) {
if ( !o || !f ) return;
if ( typeof o[0] != 'undefined' )
for ( var i = 0, l = o.length; i < l; )
f.call( o[i], o[i], i++ );
else
for ( var i in o )
o.hasOwnProperty &&
o.hasOwnProperty(i) &&
f.call( o[i], i, o[i] );
}
/**
* MAP
* ===
* var list = map( [1,2,3], function(item) { return item + 1 } )
*/
function map( list, fun ) {
var fin = [];
each( list || [], function( k, v ) { fin.push(fun( k, v )) } );
return fin;
}
/**
* ENCODE
* ======
* var encoded_data = encode('path');
*/
function encode(path) { return encodeURIComponent(path) }
/**
* Generate Subscription Channel List
* ==================================
* generate_channel_list(channels_object);
*/
function generate_channel_list(channels) {
var list = [];
each( channels, function( channel, status ) {
if (status.subscribed) list.push(channel);
} );
return list.sort();
}
// PUBNUB READY TO CONNECT
function ready() { timeout( function() {
if (READY) return;
READY = 1;
each( READY_BUFFER, function(connect) { connect() } );
}, SECOND ); }
function PN_API(setup) {
var SUB_WINDOWING = +setup['windowing'] || DEF_WINDOWING
, SUB_TIMEOUT = (+setup['timeout'] || DEF_SUB_TIMEOUT) * SECOND
, KEEPALIVE = (+setup['keepalive'] || DEF_KEEPALIVE) * SECOND
, NOLEAVE = setup['noleave'] || 0
, PUBLISH_KEY = setup['publish_key'] || 'demo'
, SUBSCRIBE_KEY = setup['subscribe_key'] || 'demo'
, AUTH_KEY = setup['auth_key'] || ''
, SECRET_KEY = setup['secret_key'] || ''
, PNSDK = setup['PNSDK'] || ''
, hmac_SHA256 = setup['hmac_SHA256']
, SSL = setup['ssl'] ? 's' : ''
, ORIGIN = 'http'+SSL+'://'+(setup['origin']||'pubsub.pubnub.com')
, STD_ORIGIN = nextorigin(ORIGIN)
, SUB_ORIGIN = nextorigin(ORIGIN)
, CONNECT = function(){}
, PUB_QUEUE = []
, TIME_DRIFT = 0
, SUB_CALLBACK = 0
, SUB_CHANNEL = 0
, SUB_RECEIVER = 0
, SUB_RESTORE = 0
, SUB_BUFF_WAIT = 0
, TIMETOKEN = 0
, CHANNELS = {}
, xdr = setup['xdr']
, error = setup['error'] || function() {}
, _is_online = setup['_is_online'] || function() { return 1 }
, jsonp_cb = setup['jsonp_cb'] || function() { return 0 }
, db = setup['db'] || {'get': function(){}, 'set': function(){}}
, UUID = setup['uuid'] || ( db && db['get'](SUBSCRIBE_KEY+'uuid') || '');
function publish(next) {
if (next) PUB_QUEUE.sending = 0;
if (PUB_QUEUE.sending || !PUB_QUEUE.length) return;
PUB_QUEUE.sending = 1;
xdr(PUB_QUEUE.shift());
}
function each_channel(callback) {
var count = 0;
each( generate_channel_list(CHANNELS), function(channel) {
var chan = CHANNELS[channel];
if (!chan) return;
count++;
(callback||function(){})(chan);
} );
return count;
}
// Announce Leave Event
var SELF = {
'LEAVE' : function( channel, blocking ) {
var data = { 'uuid' : UUID, 'auth' : AUTH_KEY }
, origin = nextorigin(ORIGIN)
, jsonp = jsonp_cb();
// Prevent Leaving a Presence Channel
if (channel.indexOf(PRESENCE_SUFFIX) > 0) return;
// No Leave Patch (Prevent Blocking Leave if Desired)
if (NOLEAVE) return;
if (!SSL) return;
if (jsonp == '0') return;
if (jsonp != '0') data['callback'] = jsonp;
xdr({
blocking : blocking || SSL,
timeout : 2000,
callback : jsonp,
data : data,
url : [
origin, 'v2', 'presence', 'sub_key',
SUBSCRIBE_KEY, 'channel', encode(channel), 'leave'
]
});
},
/*
PUBNUB.history({
channel : 'my_chat_channel',
limit : 100,
callback : function(history) { }
});
*/
'history' : function( args, callback ) {
var callback = args['callback'] || callback
, count = args['count'] || args['limit'] || 100
, reverse = args['reverse'] || "false"
, err = args['error'] || function(){}
, auth_key = args['auth_key'] || AUTH_KEY
, channel = args['channel']
, start = args['start']
, end = args['end']
, params = {}
, jsonp = jsonp_cb();
// Make sure we have a Channel
if (!channel) return error('Missing Channel');
if (!callback) return error('Missing Callback');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
params['stringtoken'] = 'true';
params['count'] = count;
params['reverse'] = reverse;
params['auth'] = auth_key;
if (jsonp) params['callback'] = jsonp;
if (start) params['start'] = start;
if (end) params['end'] = end;
// Send Message
xdr({
callback : jsonp,
data : params,
success : function(response) {
if (typeof response == 'object' && response['error']) {
err(response);
return;
}
callback(response)
},
fail : err,
url : [
STD_ORIGIN, 'v2', 'history', 'sub-key',
SUBSCRIBE_KEY, 'channel', encode(channel)
]
});
},
/*
PUBNUB.replay({
source : 'my_channel',
destination : 'new_channel'
});
*/
'replay' : function(args) {
var callback = callback || args['callback'] || function(){}
, auth_key = args['auth_key'] || AUTH_KEY
, source = args['source']
, destination = args['destination']
, stop = args['stop']
, start = args['start']
, end = args['end']
, reverse = args['reverse']
, limit = args['limit']
, jsonp = jsonp_cb()
, data = {}
, url;
// Check User Input
if (!source) return error('Missing Source Channel');
if (!destination) return error('Missing Destination Channel');
if (!PUBLISH_KEY) return error('Missing Publish Key');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
// Setup URL Params
if (jsonp != '0') data['callback'] = jsonp;
if (stop) data['stop'] = 'all';
if (reverse) data['reverse'] = 'true';
if (start) data['start'] = start;
if (end) data['end'] = end;
if (limit) data['count'] = limit;
data['auth'] = auth_key;
// Compose URL Parts
url = [
STD_ORIGIN, 'v1', 'replay',
PUBLISH_KEY, SUBSCRIBE_KEY,
source, destination
];
// Start (or Stop) Replay!
xdr({
callback : jsonp,
success : function(response) {
if (typeof response == 'object' && response['error']) {
err(response);
return;
}
callback(response)
},
fail : function() { callback([ 0, 'Disconnected' ]) },
url : url,
data : data
});
},
/*
PUBNUB.auth('AJFLKAJSDKLA');
*/
'auth' : function(auth) {
AUTH_KEY = auth;
CONNECT();
},
/*
PUBNUB.time(function(time){ });
*/
'time' : function(callback) {
var jsonp = jsonp_cb();
xdr({
callback : jsonp,
data : { 'uuid' : UUID, 'auth' : AUTH_KEY },
timeout : SECOND * 5,
url : [STD_ORIGIN, 'time', jsonp],
success : function(response) { callback(response[0]) },
fail : function() { callback(0) }
});
},
/*
PUBNUB.publish({
channel : 'my_chat_channel',
message : 'hello!'
});
*/
'publish' : function( args, callback ) {
var callback = callback || args['callback'] || function(){}
, msg = args['message']
, channel = args['channel']
, auth_key = args['auth_key'] || AUTH_KEY
, err = args['error'] || function() {}
, jsonp = jsonp_cb()
, url;
if (!msg) return error('Missing Message');
if (!channel) return error('Missing Channel');
if (!PUBLISH_KEY) return error('Missing Publish Key');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
// If trying to send Object
msg = JSON['stringify'](msg);
// Create URL
url = [
STD_ORIGIN, 'publish',
PUBLISH_KEY, SUBSCRIBE_KEY,
0, encode(channel),
jsonp, encode(msg)
];
// Queue Message Send
PUB_QUEUE.push({
callback : jsonp,
timeout : SECOND * 5,
url : url,
data : { 'uuid' : UUID, 'auth' : auth_key },
fail : function(response){err(response);publish(1)},
success : function(response) {
if (typeof response == 'object' && response['error'])
err(response);
else
callback(response)
publish(1);
}
});
// Send Message
publish();
},
/*
PUBNUB.unsubscribe({ channel : 'my_chat' });
*/
'unsubscribe' : function(args) {
var channel = args['channel'];
TIMETOKEN = 0;
SUB_RESTORE = 1;
// Prepare Channel(s)
channel = map( (
channel.join ? channel.join(',') : ''+channel
).split(','), function(channel) {
return channel + ',' + channel + PRESENCE_SUFFIX;
} ).join(',');
// Iterate over Channels
each( channel.split(','), function(channel) {
if (READY) SELF['LEAVE']( channel, 0 );
CHANNELS[channel] = 0;
} );
// Reset Connection if Count Less
CONNECT();
},
/*
PUBNUB.subscribe({
channel : 'my_chat'
callback : function(message) { }
});
*/
'subscribe' : function( args, callback ) {
var channel = args['channel']
, callback = callback || args['callback']
, callback = callback || args['message']
, auth_key = args['auth_key'] || AUTH_KEY
, connect = args['connect'] || function(){}
, reconnect = args['reconnect'] || function(){}
, disconnect = args['disconnect'] || function(){}
, errcb = args['error'] || function(){}
, idlecb = args['idle'] || function(){}
, presence = args['presence'] || 0
, noheresync = args['noheresync'] || 0
, backfill = args['backfill'] || 0
, timetoken = args['timetoken'] || 0
, sub_timeout = args['timeout'] || SUB_TIMEOUT
, windowing = args['windowing'] || SUB_WINDOWING
, restore = args['restore'];
// Restore Enabled?
SUB_RESTORE = restore;
// Always Reset the TT
TIMETOKEN = timetoken;
// Make sure we have a Channel
if (!channel) return error('Missing Channel');
if (!callback) return error('Missing Callback');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
// Setup Channel(s)
each( (channel.join ? channel.join(',') : ''+channel).split(','),
function(channel) {
var settings = CHANNELS[channel] || {};
// Store Channel State
CHANNELS[SUB_CHANNEL = channel] = {
name : channel,
connected : settings.connected,
disconnected : settings.disconnected,
subscribed : 1,
callback : SUB_CALLBACK = callback,
connect : connect,
disconnect : disconnect,
reconnect : reconnect
};
// Presence Enabled?
if (!presence) return;
// Subscribe Presence Channel
SELF['subscribe']({
'channel' : channel + PRESENCE_SUFFIX,
'callback' : presence
});
// Presence Subscribed?
if (settings.subscribed) return;
// See Who's Here Now?
if (noheresync) return;
SELF['here_now']({
'channel' : channel,
'callback' : function(here) {
each( 'uuids' in here ? here['uuids'] : [],
function(uid) { presence( {
'action' : 'join',
'uuid' : uid,
'timestamp' : rnow(),
'occupancy' : here['occupancy'] || 1
}, here, channel ); } );
}
});
} );
// Test Network Connection
function _test_connection(success) {
if (success) {
// Begin Next Socket Connection
timeout( CONNECT, SECOND );
}
else {
// New Origin on Failed Connection
STD_ORIGIN = nextorigin( ORIGIN, 1 );
SUB_ORIGIN = nextorigin( ORIGIN, 1 );
// Re-test Connection
timeout( function() {
SELF['time'](_test_connection);
}, SECOND );
}
// Disconnect & Reconnect
each_channel(function(channel){
// Reconnect
if (success && channel.disconnected) {
channel.disconnected = 0;
return channel.reconnect(channel.name);
}
// Disconnect
if (!success && !channel.disconnected) {
channel.disconnected = 1;
channel.disconnect(channel.name);
}
});
}
// Evented Subscribe
function _connect() {
var jsonp = jsonp_cb()
, channels = generate_channel_list(CHANNELS).join(',');
// Stop Connection
if (!channels) return;
// Connect to PubNub Subscribe Servers
_reset_offline();
SUB_RECEIVER = xdr({
timeout : sub_timeout,
callback : jsonp,
fail : function(response) {
errcb(response);
SUB_RECEIVER = null;
SELF['time'](_test_connection);
},
data : { 'uuid' : UUID, 'auth' : auth_key },
url : [
SUB_ORIGIN, 'subscribe',
SUBSCRIBE_KEY, encode(channels),
jsonp, TIMETOKEN
],
success : function(messages) {
SUB_RECEIVER = null;
// Check for Errors
if (!messages || (
typeof messages == 'object' &&
'error' in messages &&
messages['error']
)) {
errcb(messages);
return timeout( CONNECT, SECOND );
}
// User Idle Callback
idlecb(messages[1]);
// Restore Previous Connection Point if Needed
TIMETOKEN = !TIMETOKEN &&
SUB_RESTORE &&
db['get'](SUBSCRIBE_KEY) || messages[1];
// Connect
each_channel(function(channel){
if (channel.connected) return;
channel.connected = 1;
channel.connect(channel.name);
});
// Invoke Memory Catchup and Receive Up to 100
// Previous Messages from the Queue.
if (backfill) {
TIMETOKEN = 10000;
backfill = 0;
}
// Update Saved Timetoken
db['set']( SUBSCRIBE_KEY, messages[1] );
// Route Channel <---> Callback for Message
var next_callback = (function() {
var channels = (messages.length>2?messages[2]:map(
CHANNELS, function(chan) { return map(
Array(messages[0].length)
.join(',').split(','),
function() { return chan; }
) }).join(','));
var list = channels.split(',');
return function() {
var channel = list.shift()||SUB_CHANNEL;
return [
(CHANNELS[channel]||{})
.callback||SUB_CALLBACK,
channel.split(PRESENCE_SUFFIX)[0]
];
};
})();
var latency = detect_latency(+messages[1]);
each( messages[0], function(msg) {
var next = next_callback();
next[0]( msg, messages, next[1], latency );
} );
timeout( _connect, windowing );
}
});
}
CONNECT = function() {
_reset_offline();
timeout( _connect, windowing );
};
// Reduce Status Flicker
if (!READY) return READY_BUFFER.push(CONNECT);
// Connect Now
CONNECT();
},
/*
PUBNUB.here_now({ channel : 'my_chat', callback : fun });
*/
'here_now' : function( args, callback ) {
var callback = args['callback'] || callback
, err = args['error'] || function(){}
, auth_key = args['auth_key'] || AUTH_KEY
, channel = args['channel']
, jsonp = jsonp_cb()
, data = { 'uuid' : UUID, 'auth' : auth_key };
// Make sure we have a Channel
if (!channel) return error('Missing Channel');
if (!callback) return error('Missing Callback');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
if (jsonp != '0') { data['callback'] = jsonp; }
xdr({
callback : jsonp,
data : data,
success : function(response) {
if (typeof response == 'object' && response['error']) {
err(response);
return;
}
callback(response)
},
fail : err,
url : [
STD_ORIGIN, 'v2', 'presence',
'sub_key', SUBSCRIBE_KEY,
'channel', encode(channel)
]
});
},
/*
PUBNUB.grant({
channel : 'my_chat',
callback : fun,
error : fun,
ttl : 60, // Seconds
read : true,
write : true,
auth_key : '3y8uiajdklytowsj'
});
*/
'grant' : function( args, callback ) {
var callback = args['callback'] || callback
, err = args['error'] || function(){}
, channel = args['channel']
, jsonp = jsonp_cb()
, ttl = args['ttl'] || -1
, r = (args['read'] )?"1":"0"
, w = (args['write'])?"1":"0"
, auth_key = args['auth_key'];
// Make sure we have a Channel
if (!channel) return error('Missing Channel');
if (!callback) return error('Missing Callback');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
if (!PUBLISH_KEY) return error('Missing Publish Key');
if (!SECRET_KEY) return error('Missing Secret Key');
if (jsonp != '0') { data['callback'] = jsonp; }
var timestamp = Math.floor(new Date().getTime() / 1000)
, sign_input = SUBSCRIBE_KEY + "\n" + PUBLISH_KEY + "\n"
+ "grant" + "\n"
+ ((
(auth_key && encode(auth_key).length > 0) ?
"auth=" + encode(auth_key) + "&" :
""
))
+ "channel=" + encode(channel) + "&"
+ "pnsdk=" + encode(PNSDK) + "&"
+ "r=" + r + "&"
+ "timestamp=" + encode(timestamp)
+ ((ttl > -1)?"&" + "ttl=" + ttl:"")
+ "&" + "w=" + w
, signature = hmac_SHA256( sign_input, SECRET_KEY );
signature = signature.replace( /\+/g, "-" );
signature = signature.replace( /\//g, "_" );
var data = {
'w' : w,
'r' : r,
'signature' : signature,
'channel' : encode(channel),
'timestamp' : timestamp
};
if (ttl > -1) data['ttl'] = ttl;
if (auth_key) data['auth'] = encode(auth_key);
xdr({
callback : jsonp,
data : data,
success : function(response) { callback(response) },
fail : err,
url : [
STD_ORIGIN, 'v1', 'auth', 'grant' ,
'sub-key', SUBSCRIBE_KEY
]
});
},
/*
PUBNUB.audit({
channel : 'my_chat',
callback : fun,
error : fun,
read : true,
write : true,
auth_key : '3y8uiajdklytowsj'
});
*/
'audit' : function( args, callback ) {
var callback = args['callback'] || callback
, err = args['error'] || function(){}
, channel = args['channel']
, auth_key = args['auth_key']
, jsonp = jsonp_cb();
// Make sure we have a Channel
if (!callback) return error('Missing Callback');
if (!SUBSCRIBE_KEY) return error('Missing Subscribe Key');
if (!PUBLISH_KEY) return error('Missing Publish Key');
if (!SECRET_KEY) return error('Missing Secret Key');
if (jsonp != '0') { data['callback'] = jsonp; }
var timestamp = Math.floor(new Date().getTime() / 1000)
, sign_input = SUBSCRIBE_KEY + "\n"
+ PUBLISH_KEY + "\n"
+ "audit" + "\n";
if (auth_key) sign_input += ("auth=" + encode(auth_key) + "&");
if (channel) sign_input += ("channel=" + encode(channel) + "&") ;
sign_input += "pnsdk=" + encode(PNSDK) + "&" + "timestamp=" + timestamp;
var signature = hmac_SHA256( sign_input, SECRET_KEY );
signature = signature.replace( /\+/g, "-" );
signature = signature.replace( /\//g, "_" );
var data = { 'signature' : signature, 'timestamp' : timestamp };
if (channel) data['channel'] = encode(channel)
if (auth_key) data['auth'] = encode(auth_key)
xdr({
callback : jsonp,
data : data,
success : function(response) { callback(response) },
fail : err,
url : [
STD_ORIGIN, 'v1', 'auth', 'audit' ,
'sub-key', SUBSCRIBE_KEY
]
});
},
/*
PUBNUB.revoke({
channel : 'my_chat',
callback : fun,
error : fun,
auth_key : '3y8uiajdklytowsj'
});
*/
'revoke' : function( args, callback ) {
args['read'] = false;
args['write'] = false;
SELF['grant']( args, callback );
},
// Expose PUBNUB Functions
'xdr' : xdr,
'ready' : ready,
'db' : db,
'uuid' : uuid,
'map' : map,
'each' : each,
'each-channel' : each_channel,
'grep' : grep,
'offline' : function(){_reset_offline(1)},
'supplant' : supplant,
'now' : rnow,
'unique' : unique,
'updater' : updater
};
function _poll_online() {
_is_online() || _reset_offline( 1, {
"error" : "Offline. Please check your network settings. "
});
timeout( _poll_online, SECOND );
}
function _poll_online2() {
SELF['time'](function(success){
detect_time_detla( function(){}, success );
success || _reset_offline( 1, {
"error" : "Heartbeat failed to connect to Pubnub Servers." +
"Please check your network settings."
});
timeout( _poll_online2, KEEPALIVE );
});
}
function _reset_offline(err, msg) {
SUB_RECEIVER && SUB_RECEIVER(err, msg);
SUB_RECEIVER = null;
}
if (!UUID) UUID = SELF['uuid']();
db['set']( SUBSCRIBE_KEY + 'uuid', UUID );
timeout( _poll_online, SECOND );
timeout( _poll_online2, KEEPALIVE );
// Detect Age of Message
function detect_latency(tt) {
var adjusted_time = rnow() - TIME_DRIFT;
return adjusted_time - tt / 10000;
}
detect_time_detla();
function detect_time_detla( cb, time ) {
var stime = rnow();
time && calculate(time) || SELF['time'](calculate);
function calculate(time) {
if (!time) return;
var ptime = time / 10000
, latency = (rnow() - stime) / 2;
TIME_DRIFT = rnow() - (ptime + latency);
cb && cb(TIME_DRIFT);
}
}
return SELF;
}
/* ---------------------------------------------------------------------------
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
PubNub Real-time Cloud-Hosted Push API and Push Notification Client Frameworks
Copyright (c) 2011 PubNub Inc.
http://www.pubnub.com/
http://www.pubnub.com/terms
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
--------------------------------------------------------------------------- */
(function(){
/**
* UTIL LOCALS
*/
var NOW = 1
, PNSDK = 'PubNub-JS-' + 'Webos' + '/' + '3.5.47'
, XHRTME = 310000;
/**
* LOCAL STORAGE
*/
var db = (function(){
var ls = typeof localStorage != 'undefined' && localStorage;
return {
get : function(key) {
try {
if (ls) return ls.getItem(key);
if (document.cookie.indexOf(key) == -1) return null;
return ((document.cookie||'').match(
RegExp(key+'=([^;]+)')
)||[])[1] || null;
} catch(e) { return }
},
set : function( key, value ) {