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jqueryRest = function() {
function getUrl()
{
return "";
}
function paths(path)
{
return path;
}
// Perform ajax requests at the specified path, with the specified parameters
// Calling back the specified function.
function ajaxRequest(relative_path, params, callback)
{
var full_url = this.geturl() + this.paths(relative_path);
if( window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
}
else if (window.ActiveXObject){
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e){}
}
else
{
session.error_message("Ajax not supported.");
return;
}
if(xhr){
xhr.onreadystatechange = function() {
if(xhr.readyState == 4 && xhr.status == 200) {
callback(parseResponse());
}
};
xhr.open("POST", full_url, true);
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr.setRequestHeader("Content-length", params.length);
xhr.send(params);
}
else
{
session.error_message("Ajax failed.");
}
}
function parseResponse() {
if (responseIsXML()) {
return parseXML(xhr.responseXML);
} else if (responseIsJSON()) {
return JSON.parse(xhr.responseText);
}
}
function responseIsXML() {
return (xhr.responseType == 'document') ||
(xhr.getResponseHeader("Content-Type").indexOf('application/xml') >= 0);
}
function responseIsJSON() {
return (xhr.responseType == 'json') ||
(xhr.getResponseHeader("Content-Type").indexOf('application/json') >= 0);
}
function parseXML(xml) {
if (xml.getElementsByTagName("r").length > 0) {
return parseAttributesOfElement(xml.getElementsByTagName("r")[0]);
} else {
return parseNodes(xml.childNodes);
}
}
function parseAttributesOfElement(elem) {
var response = {};
for (var i = 0; i < elem.attributes.length; i++) {
var attrib = elem.attributes[i];
if (attrib.specified) {
response[attrib.name] = attrib.value;
}
}
return response;
}
function parseNodes(nodes) {
var response = {};
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
response[node.tagName] = node.textContent || true;
}
return response;
}
// we do not fetch the salt from the server
function register(session, callback)
{
sendVerifier(session, callback);
}
function sendVerifier(session, callback) {
this.ajaxRequest("users", "user[login]=" + session.getI() +
"&user[password_salt]=" + session.getSalt() +
"&user[password_verifier]=" + session.getV().toString(16), callback);
}
function handshake(I, Astr, callback) {
this.ajaxRequest("handshake/", "I="+I+"&A="+Astr, callback);
}
function authenticate(M, callback) {
this.ajaxRequest("authenticate/", "M="+M, callback);
}
function upgrade(M, callback) {
this.ajaxRequest("upgrade/authenticate/", "M="+M, callback);
}
return {
geturl: getUrl,
paths: paths,
ajaxRequest: ajaxRequest,
register: register,
register_send_verifier: sendVerifier,
handshake: handshake,
authenticate: authenticate,
upgrade: upgrade
};
};
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