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Bungloo/hmac-helper.js
2012-10-29 23:23:28 +01:00

93 lines
No EOL
3.1 KiB
JavaScript

// its different for app authentication and user authentication:
// for apps its id: mac_key_id and secret: mac_key,
// for users its id: access_token and secret:mac_key
function getURL(url, http_method, callback, data, auth_header) {
$.ajax({
beforeSend: function(xhr) {
if (data) xhr.setRequestHeader("Content-Length", data.length);
if (auth_header) xhr.setRequestHeader("Authorization", auth_header);
},
url: url,
accepts: "application/vnd.tent.v0+json",
contentType: "application/vnd.tent.v0+json",
type: http_method,
complete: callback,
data: data,
processData: false,
error: function(xhr, ajaxOptions, thrownError) {
alert("getURL ERROR (" + url + ") (" + http_method + "):");
alert(xhr.statusText);
alert(ajaxOptions);
alert(thrownError);
}
});
}
function makeAuthHeader(url, http_method, mac_key, mac_key_id) {
url = URI(url);
var nonce = makeid(8);
var time_stamp = parseInt((new Date).getTime() / 1000, 10);
var normalizedRequestString = ""
+ time_stamp + '\n'
+ nonce + '\n'
+ http_method + '\n'
+ url.path() + url.search() + url.hash() + '\n'
+ url.hostname() + '\n'
+ url.port() + '\n'
+ '\n' ;
var hmac = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, mac_key);
hmac.update(normalizedRequestString);
var hash = hmac.finalize();
var mac = hash.toString(CryptoJS.enc.Base64);
return 'MAC id="' + mac_key_id +
'", ts="' + time_stamp +
'", nonce="' + nonce +
'", mac="' + mac + '"';
}
function makeid(len) {
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for( var i=0; i < len; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));
return text;
}
function findProfileURL(entity, callback) {
$.ajax({
url: entity,
type: "HEAD",
complete: function(resp) {
if(resp) {
var headers = resp.getAllResponseHeaders();
var regex = /Link: <([^>]*)>; rel="https:\/\/tent.io\/rels\/profile"/; // FIXME: parse it!
var ret = headers.match(regex);
var profile_url = entity + "/profile";
if(ret.length > 1) {
var profile_url = ret[1];
if (profile_url == "/profile") {
profile_url = entity + "/profile";
}
}
callback(profile_url);
}
},
error: function(xhr, ajaxOptions, thrownError) {
alert("getURL ERROR (" + url + ") (" + http_method + "):");
alert(xhr.statusText);
alert(ajaxOptions);
alert(thrownError);
}
});
}
function debug(string) {
alert("DEBUG: " + string);
}