paas-node-sdk/tools/authTools.js

PAAS NODE SDK

var crypto = require('crypto');
var Result = require('./Result');

function genSig(accId, accToken, timestamp) {
    var sigSrc = '' + accId + accToken + timestamp;
    var hasher = crypto.createHash('md5');
    var md5Str = hasher.update(sigSrc);
    return md5Str.digest('hex').toUpperCase();
}

function getMD5Str(str){
    var hasher = crypto.createHash('md5');
    var md5Str = hasher.update(str);
    return md5Str.digest('hex').toUpperCase();
}

function genAuthen(accId, timestamp) {
    var src = accId + ':' + timestamp;
    return new Buffer(src).toString('base64');
}

function isTimeStampValid(timestamp) {
    var TIME_HALF_HOUR = 30 * 60 * 1000;
    var tsInt = parseInt(timestamp);
    if (isNaN(tsInt)) {
        return false;
    }

    var diff = Math.abs(new Date().getTime() - tsInt);
    if (diff > TIME_HALF_HOUR) {
        return false;
    }
    return true;
}

exports.genSig = genSig;
exports.genAuthen = genAuthen;
exports.getMD5Str = getMD5Str;
exports.isTimeStampValid = isTimeStampValid;