/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FireUploader
*
* The Initial Developer of the Original Code is Rahul Jonna.
*
* Portions created by the Initial Developer are Copyright (C) 2007-2009
* the Initial Developer. All Rights Reserved.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var SoundCloud = {};
(function()
{
/**
* USAGE:
*
* @param {Object} loginUrl - The webpage url for login
* @param {Object} apiUrl - The api end point
* @param {Object} apiKey
* @param {Object} secretKey
* @param {Object} additionalParams - Additional parameters to send if any, like version number etc
* @param {Object} afterAuthorizeCallback - callback function that is called after authentication
*
* var oAuth = new SoundCloud.OAuth("http://api.soundcloud.com/oauth/authorize", "http://api.soundcloud.com/",
* "your_api_key", "your_api_secret", {"version": "1.0"}, function(oauthObj) {});
* oAuth.startAuthentication();
*
* At the end, oauthObj.accessToken and oauthObj.accessTokenSecret will have the access token and token secret respectively
*
*/
function x_OAuth(loginUrl, apiUrl, apiKey, secretKey, additionalParams, afterAuthorizeCallback)
{
this.loginUrl = loginUrl;
this.apiUrl = apiUrl;
this.apiKey = apiKey;
this.secretKey = secretKey;
this.requestToken;
this.accessToken;
this.requestTokenSecret;
this.accessTokenSecret;
this.afterAuthorizeCallback = afterAuthorizeCallback;
this.userName;
for (var key in additionalParams)
this[key] = additionalParams[key];
}
x_OAuth.prototype = {
//starts the authentication process
startAuthentication: function()
{
this.getRequestToken();
},
getParamString: function(params)
{
var arr = [], i = 0;
for (var key in params)
{
arr[i++] = key + "=" + params[key];
}
return arr.join("&");
},
//encodes the special characters according to the RFC standard
rfcEncoding: function(str)
{
var tmp = encodeURIComponent(str);
tmp = tmp.replace('!', '%21');
tmp = tmp.replace('*', '%2A');
tmp = tmp.replace('(', '%28');
tmp = tmp.replace(')', '%29');
tmp = tmp.replace("'", '%27');
return tmp;
},
//assigns the common parameters for all requests
getCommonParams: function(params)
{
params = params || [];
params["oauth_consumer_key"] = this.apiKey;
params["oauth_timestamp"] = Math.ceil((new Date()).getTime() / 1000);
params["oauth_nonce"] = (new Date()).getTime();
params["oauth_version"] = this.version;
if (this.format)
params["format"] = this.format;
params["oauth_signature_method"] = "HMAC-SHA1";
return params;
},
getSecretKey: function(tokenType)
{
return this.secretKey +
"&" +
((tokenType == "beforeAuthentication") ? "" : ((tokenType == "request") ? this.requestTokenSecret : this.accessTokenSecret));
},
//makes the signature using SHA1 algorithm
getSignature: function(method, url, paramString, tokenType)
{
var stringToSign = [this.rfcEncoding(method), this.rfcEncoding(url), this.rfcEncoding(paramString)].join("&");
return Soundcloud.SHA1.b64_hmac_sha1(this.getSecretKey(tokenType), stringToSign);
},
//gets the request token
getRequestToken: function()
{
var params = this.getCommonParams();
var url = this.apiUrl + "oauth/request_token";
var paramString = this.normalizeParams(params);
var method = "POST";
var signature = this.getSignature(method, url, paramString, "beforeAuthentication");
paramString += "&oauth_signature=" + this.rfcEncoding(signature);
Soundcloud.xhttp.doRequest(method, url, paramString, "", false, null, this, function(objResponse)
{
if (!objResponse.hasErrors)
{
objResponse.responseText = Soundcloud.utils.trimWhitespace(objResponse.responseText) + "&";
var reg1 = /oauth_token=(.*?)&/gi;
var reg2 = /oauth_token_secret=(.*?)&/gi;
var arrToken = reg1.exec(objResponse.responseText);
if (arrToken)
{
this.requestToken = arrToken[1];
this.showLoginPage(arrToken[1]);
}
else
throw new Error("Failed to get request token");
var arrTokenSecret = reg2.exec(objResponse.responseText);
if (arrTokenSecret)
this.requestTokenSecret = arrTokenSecret[1];
else
throw new Error("Failed to get request token");
}
else
throw new Error("Failed to get request token");
});
},
//get access token
getAccessToken: function(token)
{
var params = this.getCommonParams();
params["oauth_token"] = token;
var url = this.apiUrl + "oauth/access_token";
var paramString = this.normalizeParams(params);
var method = "POST";
var signature = this.getSignature(method, url, paramString, "request");
paramString += "&oauth_signature=" + this.rfcEncoding(signature);
Soundcloud.xhttp.doRequest(method, url, "", paramString, false, null, this, function(objResponse)
{
if (!objResponse.hasErrors)
{
var tokenList = objResponse.responseText.split("&");
var reg1 = /oauth_token=(.*)/gi;
var reg2 = /oauth_token_secret=(.*)/gi;
var accessToken, tokenSecret;
var arrToken = reg1.exec(tokenList[0]);
if (arrToken)
{
this.accessToken = arrToken[1];
}
else
{
throw new Error("Failed to get access token. Check if your username and password is valid.");
}
var arrTokenSecret = reg2.exec(tokenList[1]);
if (arrTokenSecret)
{
this.accessTokenSecret = arrTokenSecret[1];
}
else
{
throw new Error("Failed to get access token. Check if your username and password is valid.");
}
if (this.afterAuthorizeCallback)
{
this.afterAuthorizeCallback.call(null, this);
}
}
else
throw new Error("Failed to get access token. Check if your username and password is valid.");
});
},
//sorts the parameters and creats a GET string to be sent to the server
normalizeParams: function(params)
{
for (var key in params)
params[key] = this.rfcEncoding(params[key]);
return Soundcloud.utils.join("&", "=", params, true);
},
//show the login page
showLoginPage: function(token)
{
var doneAuthorizing = false;
var callbackFunc = function(isDone)
{
doneAuthorizing = isDone;
};
var url = this.loginUrl + "?oauth_token=" + token;
window.openDialog("chrome://fireuploader/content/loginPanel.xul", "Login/Authorization Panel", "chrome,centerscreen,modal,width=350,height=400", url, callbackFunc);
if (doneAuthorizing)
{
this.getAccessToken(token);
}
}
};
this.OAuth = x_OAuth;
this.utils = {
join: function(separator1, separator2, arr, sort)
{
var arrKeys = [];
for (var key in arr)
{
arrKeys.push(key);
}
if (sort)
arrKeys.sort();
var newArr = [];
for (var i = 0; i < arrKeys.length; i++)
{
if (separator2 != "")
{
newArr.push(arrKeys[i] + separator2 + arr[arrKeys[i]]);
}
else
{
newArr.push(arrKeys[i]);
newArr.push(arr[arrKeys[i]]);
}
}
return newArr.join(separator1);
},
// Remove leading and trailing whitespace from a string
trimWhitespace: function(str)
{
return str.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
}
}
this.xhttp = {
//a wrapper to XMLHttpRequest object
/**
* @param {string} verb - GET, POST, PUT, DELETE
* @param {string} resLoc - Url of the resource
* @param {string} getData - Data that's sent in the url
* @param {string} objData - Data that's sent during POST, PUT
* @param {bool} isSync - whether to make a syncronous or asynchronous request
* @param {Object} arrHeaders - array of headers(name, value pairs) that's sent in the request
* @param {Object} callbackObject - scope of the callback function
* @param {Object} callbackFunc - callback function that's called after asyncronous response
*/
doRequest: function(verb, resLoc, getData, objData, isSync, arrHeaders, callbackObject, callbackFunc)
{
try
{
var xmlhttp = new XMLHttpRequest();
if (getData != "")
getData = "?" + getData;
resLoc = encodeURI(resLoc);
var aUrl = (resLoc.indexOf("http") == -1) ? this.host + resLoc + getData : resLoc + getData;
xmlhttp.open(verb, aUrl, !isSync);
if (verb == "POST")
xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=utf-8');
if (arrHeaders instanceof Array)
{
for (var i = 0; i < arrHeaders.length; i++)
{
xmlhttp.setRequestHeader(arrHeaders[i].name, arrHeaders[i].value);
}
}
xmlhttp.send(objData);
var domParser = new DOMParser(); //Components.classes["@mozilla.org/xmlextras/domparser;1"].createInstance(Components.interfaces.nsIDOMParser);
if (isSync)
{
if (xmlhttp.status >= 200 && xmlhttp.status < 300)
{
try
{
var xmlDoc1 = domParser.parseFromString(xmlhttp.responseText, "text/xml");
}
catch (ex)
{ }
var responseObject = {
responseText: xmlhttp.responseText,
xmlDoc: xmlDoc1,
strHeaders: xmlhttp.getAllResponseHeaders()
};
callbackFunc.call(callbackObject, responseObject);
return responseObject;
}
else
{
try
{
var xmlDoc1 = domParser.parseFromString(xmlhttp.responseText, "text/xml");
}
catch (ex2)
{
alert(ex2);
}
var errorMessage = "Error connecting! Try again - " + xmlhttp.status + " " + xmlhttp.statusText;
if (xmlDoc1 != null && xmlDoc1.getElementsByTagName("Message")[0])
errorMessage = xmlDoc1.getElementsByTagName("Message")[0].firstChild.nodeValue;
var responseObject = {
responseText: xmlhttp.responseText,
xmlDoc: xmlDoc1,
strHeaders: xmlhttp.getAllResponseHeaders(),
errorMessage: errorMessage,
hasErrors: true
};
callbackFunc.call(callbackObject, responseObject);
return false;
}
}
else
{
xmlhttp.onreadystatechange = function()
{
if (xmlhttp.readyState != 4)
return;
else
{
if (xmlhttp.status >= 200 && xmlhttp.status < 300)
{
try
{
var xmlDoc1 = domParser.parseFromString(xmlhttp.responseText, "text/xml");
}
catch (ex)
{ }
var responseObject = {
responseText: xmlhttp.responseText,
xmlDoc: xmlDoc1,
strHeaders: xmlhttp.getAllResponseHeaders()
};
callbackFunc.call(callbackObject, responseObject);
}
else
{
try
{
var xmlDoc1 = domParser.parseFromString(xmlhttp.responseText, "text/xml");
}
catch (ex)
{ }
var errorMessage = "Error connecting! Try again - " + xmlhttp.status + " " + xmlhttp.statusText;
if (xmlDoc1 != null && xmlDoc1.getElementsByTagName("Message")[0])
errorMessage = xmlDoc1.getElementsByTagName("Message")[0].firstChild.nodeValue;
var responseObject = {
responseText: xmlhttp.responseText,
xmlDoc: xmlDoc1,
strHeaders: xmlhttp.getAllResponseHeaders(),
errorMessage: errorMessage,
hasErrors: true
};
callbackFunc.call(callbackObject, responseObject);
}
}
}
}
}
catch (ex)
{
alert(ex);
}
}
}
this.SHA1 =
{
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
* Version 2.1a Copyright Paul Johnston 2000 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for details.
*/
/*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
hexcase: 0, /* hex output format. 0 - lowercase; 1 - uppercase */
b64pad: "=", /* base-64 pad character. "=" for strict RFC compliance */
chrsz: 8, /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
hex_sha1: function(s) { return this.binb2hex(this.core_sha1(this.str2binb(s), s.length * this.chrsz)); },
b64_sha1: function(s) { return this.binb2b64(this.core_sha1(this.str2binb(s), s.length * this.chrsz)); },
str_sha1: function(s) { return this.binb2str(this.core_sha1(this.str2binb(s), s.length * this.chrsz)); },
hex_hmac_sha1: function(key, data) { return this.binb2hex(this.core_hmac_sha1(key, data)); },
b64_hmac_sha1: function(key, data) { return this.binb2b64(this.core_hmac_sha1(key, data)); },
str_hmac_sha1: function(key, data) { return this.binb2str(this.core_hmac_sha1(key, data)); },
/*
* Perform a simple self-test to see if the VM is working
*/
sha1_vm_test: function()
{
return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
},
/*
* Calculate the SHA-1 of an array of big-endian words, and a bit length
*/
core_sha1: function(x, len)
{
/* append padding */
x[len >> 5] |= 0x80 << (24 - len % 32);
x[((len + 64 >> 9) << 4) + 15] = len;
var w = Array(80);
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var e = -1009589776;
for (var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
var olde = e;
for (var j = 0; j < 80; j++)
{
if (j < 16) w[j] = x[i + j];
else w[j] = this.rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
var t = this.safe_add(this.safe_add(this.rol(a, 5), this.sha1_ft(j, b, c, d)),
this.safe_add(this.safe_add(e, w[j]), this.sha1_kt(j)));
e = d;
d = c;
c = this.rol(b, 30);
b = a;
a = t;
}
a = this.safe_add(a, olda);
b = this.safe_add(b, oldb);
c = this.safe_add(c, oldc);
d = this.safe_add(d, oldd);
e = this.safe_add(e, olde);
}
return Array(a, b, c, d, e);
},
/*
* Perform the appropriate triplet combination function for the current
* iteration
*/
sha1_ft: function(t, b, c, d)
{
if (t < 20) return (b & c) | ((~b) & d);
if (t < 40) return b ^ c ^ d;
if (t < 60) return (b & c) | (b & d) | (c & d);
return b ^ c ^ d;
},
/*
* Determine the appropriate additive constant for the current iteration
*/
sha1_kt: function(t)
{
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
(t < 60) ? -1894007588 : -899497514;
},
/*
* Calculate the HMAC-SHA1 of a key and some data
*/
core_hmac_sha1: function(key, data)
{
var bkey = this.str2binb(key);
if (bkey.length > 16) bkey = this.core_sha1(bkey, key.length * this.chrsz);
var ipad = Array(16), opad = Array(16);
for (var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = this.core_sha1(ipad.concat(this.str2binb(data)), 512 + data.length * this.chrsz);
return this.core_sha1(opad.concat(hash), 512 + 160);
},
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
safe_add: function(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
},
/*
* Bitwise rotate a 32-bit number to the left.
*/
rol: function(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
},
/*
* Convert an 8-bit or 16-bit string to an array of big-endian words
* In 8-bit function, characters >255 have their hi-byte silently ignored.
*/
str2binb: function(str)
{
var bin = Array();
var mask = (1 << this.chrsz) - 1;
for (var i = 0; i < str.length * this.chrsz; i += this.chrsz)
bin[i >> 5] |= (str.charCodeAt(i / this.chrsz) & mask) << (32 - this.chrsz - i % 32);
return bin;
},
/*
* Convert an array of big-endian words to a string
*/
binb2str: function(bin)
{
var str = "";
var mask = (1 << this.chrsz) - 1;
for (var i = 0; i < bin.length * 32; i += this.chrsz)
str += String.fromCharCode((bin[i >> 5] >>> (32 - this.chrsz - i % 32)) & mask);
return str;
},
/*
* Convert an array of big-endian words to a hex string.
*/
binb2hex: function(binarray)
{
var hex_tab = this.hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for (var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8 + 4)) & 0xF) +
hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8)) & 0xF);
}
return str;
},
/*
* Convert an array of big-endian words to a base-64 string
*/
binb2b64: function(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for (var i = 0; i < binarray.length * 4; i += 3)
{
var triplet = (((binarray[i >> 2] >> 8 * (3 - i % 4)) & 0xFF) << 16)
| (((binarray[i + 1 >> 2] >> 8 * (3 - (i + 1) % 4)) & 0xFF) << 8)
| ((binarray[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4)) & 0xFF);
for (var j = 0; j < 4; j++)
{
if (i * 8 + j * 6 > binarray.length * 32) str += this.b64pad;
else str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F);
}
}
return str;
}
}
}).call(SoundCloud);
