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# passport-strategy [](http://travis-ci.org/jaredhanson/passport-strategy) [](https://coveralls.io/r/jaredhanson/passport-strategy) [](http://david-dm.org/jaredhanson/passport-strategy) An abstract class implementing [Passport](http://passportjs.org/)'s strategy API. ## Install $ npm install passport-strategy ## Usage This module exports an abstract `Strategy` class that is intended to be subclassed when implementing concrete authentication strategies. Once implemented, such strategies can be used by applications that utilize Passport middleware for authentication. #### Subclass Strategy Create a new `CustomStrategy` constructor which inherits from `Strategy`: ```javascript var util = require('util') , Strategy = require('passport-strategy'); function CustomStrategy(...) { Strategy.call(this); } util.inherits(CustomStrategy, Strategy); ``` #### Implement Authentication Implement `autheticate()`, performing the necessary operations required by the authentication scheme or protocol being implemented. ```javascript CustomStrategy.prototype.authenticate = function(req, options) { // TODO: authenticate request } ``` ## Tests $ npm install $ npm test ## Credits - [Jared Hanson](http://github.com/jaredhanson) ## License [The MIT License](http://opensource.org/licenses/MIT) Copyright (c) 2011-2013 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>