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var wot_stats =
{
utils: {
serialize: function(obj)
{
var str = [];
var length = 0;
for(var p in obj) {
if (obj.hasOwnProperty(p)) {
length++;
str.push(p + "=" + obj[p]);
}
}
return {
data: str.join("&"),
length:length
};
},
postRequest: function(url, data, length, callback)
{
try {
var http = new XMLHttpRequest();
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.onreadystatechange = function() {
if (http.readyState == 4) {
if (http.status == 200) {
if (callback) {
callback(true, http.responseText);
}
}
else {
if (callback) {
callback(false, http.responseText);
}
}
}
};
http.send(data);
}
catch(e) {
console.log("postRequest() - error." + e);
}
},
dictionaryToQueryString: function(dict)
{
var result = '';
for(key in dict) {
result += key + '=' + dict[key] + '&';
}
return result.slice(0, result.length - 1);
},
createRandomString: function (string_size)
{
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (var i = 0; i < string_size; i++)
text += possible.charAt(Math.floor(Math.random() * possible.length));
return text;
},
RESPONSE_RECEIVED: 4,
getRequest: function(url, callback)
{
try {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == wot_stats.utils.RESPONSE_RECEIVED) {
if (xmlhttp.status == 200) {
callback(true,xmlhttp.responseText);
}
else {
callback(false, xmlhttp.responseText);
}
}
}
xmlhttp.open("GET", url, true);
xmlhttp.send();
}
catch(e){
console.log("getRequest() - error. " +e);
}
},
getCurrentTime: function()
{
return new Date().getTime();
}
},
last_prev: "",
enabled: false,
statusKey: "ok",
urlKey: "url",
load: function()
{
try {
var settings = this.getMonitoringSettings();
if (settings != null && settings[this.statusKey] == 1) {
this.startMonitoring();
}
this.fetchSettings();
}
catch(e) {
console.log("load() - error." + e);
}
},
isWebURL: function(url)
{
return url.toLowerCase().indexOf("http") == 0;
},
getInstallTime: function()
{
var stats_installtime = wot_prefs.getChar("stats_installtime", "");
if (stats_installtime === "") {
wot_prefs.setChar("stats_installtime", this.utils.getCurrentTime());
}
return wot_prefs.getChar("stats_installtime", null);
},
setMonitoringSettings: function(settings)
{
if (settings) {
wot_prefs.setChar("stats_settings", settings);
}
},
getMonitoringSettings: function()
{
var stats_settings = wot_prefs.getChar("stats_settings", "");
if (stats_settings !== "") {
try {
var settingsJson = JSON.parse(stats_settings);
if (typeof settingsJson[this.statusKey] == "undefined" || settingsJson[this.statusKey] == null) {
return null;
}
if (typeof settingsJson[this.urlKey] == "undefined" || settingsJson[this.urlKey] == null) {
return null;
}
return settingsJson;
}
catch(e) {
console.log("getMonitoringSettings() - error." + e);
}
return null;
}
return null;
},
startMonitoring: function()
{
this.enabled = true;
},
fetchSettings: function()
{
var url = WOT_STATS.URL;
var data = {
"s":WOT_STATS.SID,
"ins":wot_stats.getInstallTime(),
"ver":WOT_STATS.VER
};
var queryString = this.utils.dictionaryToQueryString(data);
url = url + "?" + queryString;
this.utils.getRequest(url, this.onSettingsReceived);
},
onSettingsReceived: function(status, response)
{
wot_stats.setMonitoringSettings(response);
var settings = wot_stats.getMonitoringSettings();
if(settings[wot_stats.statusKey] == 1) {
wot_stats.startMonitoring();
}
},
getUserId: function()
{
var stats_uid = wot_prefs.getChar("stats_uid", "");
if (stats_uid === "") {
wot_prefs.setChar("stats_uid", this.utils.createRandomString(32));
}
return wot_prefs.getChar("stats_uid", null);
},
getSession: function()
{
var session = wot_prefs.getChar("stats_sess", "");
if (session === "") {
session = this.createSession();
this.saveSession(session);
}
else {
try {
if (this.isSessionExpired()) {
session = this.createSession();
this.saveSession(session);
} else {
return JSON.parse(session);
}
}
catch(e) {
session = this.createSession();
this.saveSession(session);
}
}
return session;
},
isSessionExpired: function()
{
var oldSession = wot_prefs.getChar("stats_sess", "");
var currentTime = this.utils.getCurrentTime();
if (oldSession !== "") {
var jsonOldSession = JSON.parse(oldSession);
var oldSessionTs = jsonOldSession['ts'];
if (typeof oldSessionTs != "undefined" && oldSessionTs && (currentTime - oldSessionTs) < WOT_STATS.ST) {
return false;
}
}
return true;
},
touchSession: function(prev)
{
var session = this.getSession();
session['ts'] = this.utils.getCurrentTime();
if (prev) {
session['prev'] = encodeURIComponent(prev);
}
this.saveSession(session);
},
saveSession: function(session)
{
wot_prefs.setChar("stats_sess", JSON.stringify(session));
},
createSession: function()
{
var session = {
"id" : wot_stats.utils.createRandomString(32),
"ts" : wot_stats.utils.getCurrentTime(),
"prev" : encodeURIComponent("")
};
session = JSON.stringify(session);
session = JSON.parse(session);
return session;
},
loc: function(url, ref)
{
if(this.isWebURL(url)) {
this.query(url, ref);
}
},
focus: function(url)
{
if(typeof url == "string" && this.isWebURL(url)) {
this.last_prev = url;
}
this.touchSession();
},
query: function(url, ref)
{
if(!this.enabled) {
return;
}
var settings = this.getMonitoringSettings();
if (this.last_prev === "") {
this.last_prev = decodeURIComponent(this.getSession()['prev']);
}
data = {
"s":WOT_STATS.SID,
"md":21,
"pid":wot_stats.getUserId(),
"sess":wot_stats.getSession()['id'],
"q":encodeURIComponent(url),
"prev":encodeURIComponent(wot_stats.last_prev),
"link":0,
"sub": "ff",
"tmv": WOT_STATS.VER,
"hreferer" : encodeURIComponent(ref),
"ts" : wot_stats.utils.getCurrentTime()
};
var requestDataInfo = this.utils.serialize(data);
var requestData = requestDataInfo.data;
var requestLength = requestDataInfo.length;
var encoded = btoa(btoa(requestData));
if (encoded != "") {
var data = "e=" + encodeURIComponent(encoded);
var statsUrl = settings[this.urlKey] + "/valid";
this.utils.postRequest(statsUrl, data, requestLength);
}
this.last_prev = url;
this.touchSession(this.last_prev);
}
};
wot_modules.push({ name: "wot_stats", obj: wot_stats });
|
