deed - npm Package Compare versions

Comparing version 0.0.3 to 0.0.4

index.js


		// deed - verify x-hub-signature

		module.exports = verify
		module.exports = deed

		var string_decoder = require('string_decoder')
		, crypto = require('crypto')
		, util = require('util')
		, stream = require('stream')
		;

		function write (buf) {
		return new string_decoder.StringDecoder('hex').write(buf)
		util.inherits(Verify, stream.Transform)
		function Verify (sig) {
		stream.Transform.call(this)
		this.buf = 'sha1='
		this.sig = sig
		this.dec = new string_decoder.StringDecoder('hex')
		this._readableState.objectMode = true
		}

		function match (hmac, sig) {
		var chunk
		, str = 'sha1='
		;
		while (null !== (chunk = hmac.read())) {
		str += write(chunk)
		}
		return str === sig
		Verify.prototype._transform = function (chunk, enc, cb) {
		this.buf += this.dec.write(chunk)
		cb()
		}

		function verify (secret, req, cb) {
		Verify.prototype._flush = function () {
		this.push(this.buf === this.sig ? true : false)
		}

		function deed (secret, req, cb) {
		var xub = 'X-Hub-Signature'
		, sig = req.headers[xub] \|\| req.headers[xub.toLowerCase()]
		, sig = req.headers[xub] \|\| req.headers[xub.toLowerCase()]
		;
		if (!sig) return cb(new Error('no ' + xub))
		var hmac = crypto.createHmac('sha1', secret)
		hmac.once('finish', function () {
		var verified = match(hmac, sig)
		verified ? cb(null, req) : cb(new Error('unverified ' + xub))
		, verify = new Verify(sig)
		;
		verify.once('readable', function () {
		verify.read() ? cb(null, req) : cb(new Error('unverified ' + xub))
		})
		verify.once('error', cb)
		hmac.once('error', cb)
		req.once('error', cb)
		req.pipe(hmac)
		req.pipe(hmac).pipe(verify)
		return req
		}

package.json

		{
		"name": "deed",
		"version": "0.0.3",
		"version": "0.0.4",
		"description": "verify x-hub-signature",
		@@ -5,0 +5,0 @@ "main": "index.js",

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