sri-toolbox

Subresource Integrity tools.

SemVer note: As the SRI spec has not yet been finalized, minor releases < 1.0.0 will contain breaking changes.

Install

npm install sri-toolbox

Usage

var sriToolbox = require("sri-toolbox");
 
var jquerySourceCode = file("jquery-1.10.2.min.js");
 
var integrity = sriToolbox.generate({
    algorithms: ["sha256"]
}, jquerySourceCode);
//=> "sha256-C6CB9UYIS9UJeqinPHWTHVqh/E1uhG5Twh+Y5qFQmYg="

You may also access the data used to build the integrity attribute, using the option "full":

var integrityObject = sriToolbox.generate({
    full: true
}, jquerySourceCode);
//=> object

{
    "hashes": {
        "sha256": "C6CB9UYIS9UJeqinPHWTHVqh/E1uhG5Twh+Y5qFQmYg="
    },
    "integrity": "sha256-C6CB9UYIS9UJeqinPHWTHVqh/E1uhG5Twh+Y5qFQmYg="
}

API

generate

Generate creates a Sub-resource Integrity attribute from a data string.

Options

Key: type name = default

• array algorithms = ["sha256"]
  List of hashing algorithms

• string delimiter = " "
  Integrity attribute delimiter

• boolean full = false
  Return a string if false, object if true. See example.