signature-store
v0.0.2
Published
Store Digital Signatures to Prevent Replay Attacks
Downloads
9
Maintainers
Readme
#Signature Store
Store digital signatures to prevent replay attacks
Install
Note : this middleware requires a leveldb compatible datastore
Note: this middleware expects the following properties on the request object:
- signature
$ npm install signature-store
API
var express = require('express')
var signatureStore = require('signature-store');
var options = {db:<leveldb datastore>};
var app = express();
app.use(signatureStore(options));
signatureStore(options)
Returns the Signature Store middleware using the given options
.
app.use(signatureStore({
db : <leveldb datastore>,
expiration : false,
reject : false,
hash : null,
}))
Options
db
required
- level db database
expiration
false
- expiration (falsy values for no expiration)
reject
false
- reject request if signature is not new (401 Unauthorized)
hash
null
- function to hash signature
Examples
Server-Sent Events
var express = require('express');
var levelup = require('levelup');
var memdown = require('memdown');
var db = levelup('/does/not/matter',{db: memdown});
var app = express();
var signatureStore = require('signature-store');
var options = {
db : db
}
app.use(...)
app.use(signatureStore(options));
app.use(function(req,res){
console.log(req.newSignature);//Status of signature for current request
})
app.listen(8080);
See Also
Credits
License
The MIT License (MIT)
Copyright (c) 2014 John Henry [email protected]
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.