cloudfront-private-url-creator

Creates private Cloudfront Urls

npm install cloudfront-private-url-creator
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cloudfront-private-url-creator

Creates and signs private Cloudfront Urls (http:, https:, and rtmp:)

Build Status

Installation:

npm install cloudfront-private-url-creator

Usage:

"use strict";
var fs = require('fs');
var cf = require('..');

var urlToSign = 'https://somedistro.cloudfront.net/somefolder/someFile';
var keyPairId = 'yourKeyPaidId';
var privateKeyPath = './yourKey.pem';

// date when the private url will expire (1 hour from now in this case)
var dateLessThan = new Date();
dateLessThan.setHours(dateLessThan.getHours() + 1);

loadPrivateKey(function privateKeyCb(err, keyContents) {
  if (err) {
    console.error(err);
    return;
  }
  var config = {
    privateKey: keyContents,
    keyPairId: keyPairId,
    dateLessThan: dateLessThan
  };
  // sign the url and return it, or just get the signature
  var signatureQueryString = cf.getSignatureQueryString(urlToSign, config);
  // OR
  var signedUrl = cf.signUrl(urlToSign, config);
});

function loadPrivateKey(cb) {
  fs.realpath(privateKeyPath, function (err, resolvedPath) {
    if (err) {
      return cb(err);
    }

    fs.readFile(resolvedPath, function (err, data) {
      if (err) {
        return cb(err);
      }
      cb(null, data);
    });
  });
}

Relevant AWS docs:

Creating a Signed URL Using a Canned Policy

Creating a Signed URL Using a Custom Policy

License

The MIT License

Copyright (c) 2013 Max Nachlinger

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