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var crypto = require('crypto')
, uuid = require('node-uuid');
function recurly () {
}
recurly.prototype.sign = function (privateKey, params) {
var protectedString = makeProtectedString(params);
var secureHash = makeHash(privateKey, protectedString);
var signature = secureHash+"|"+protectedString;
console.log("Signature Created: "+signature);
return signature;
}
function makeHash (privateKey, protectedString) {
//get the sha1 of the private key in binary
var shakey = crypto.createHash('sha1');
shakey.update(privateKey);
shakey = shakey.digest('binary');
//now make an hmac and return it as hex
var hmac = crypto.createHmac('sha1', shakey);
hmac.update(protectedString);
return hmac.digest('hex');
}
function makeProtectedString (params) {
var protectedString = '';
// These variables are used in every signature
timestamp = Math.round(new Date().getTime() / 1000); //timestamp needs to be in seconds
nonce = uuid.v1().replace(/-/g,''); //strip out dashed in case recurly doesnt like them?
// Generate the URL fragment to be used
protectedString += "nonce="+nonce+"&";
for (var action in params) {
for (var key in params[action]) {
protectedString += action+'%5B'+key+'%5D='+params[action][key]+'&';
}
}
protectedString += "timestamp="+timestamp;
return protectedString;
}
module.exports = recurly;
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