authenticate

Access token authentication middleware for Express, NodeJS

npm install authenticate
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authenticate

Access token authentication middleware for Express, NodeJS. Makes it easy to add access token authentication to any API.

Installing it with npm

Add to dependencies:

"authenticate": "*"

Installing via npm

npm install authenticate

Usage

var authenticate = require("authenticate");

// Inside of app.configure
app.use(authenticate.middleware({
    encrypt_key: "", // Add any key for encrypting data
    validate_key: "" // Add any key for signing data
}));

And then...

The access token can be passed to a frontend client after the client is authenticated via some form of login. For example, making a POST to /login with email and password, verifying email and password are correct, and then passing the access token to the client. Here is some javascript for passing an access token to the client in JSON.

app.get('/login', function(req, res) {
    var authenticate = require("authenticate");
    // Insert user auth logic here
    res.writeHead(200, {
        "Content-Type": "application/json"
    });
    res.write(JSON.stringify({
        "access_token": authenticate.serializeToken(client_id, user_id, extra_data) // extra data is optional
    }));
    res.end();
})

An access token embeds data into the request. You can then check whether the user and client have access to a resource or not.

req.data.user_id // user id
req.data.client_id // A client id
req.data.date // date access token was created
req.data.extra_data // extra data passed in when serialized
req.data.access_token // Access token being passed in
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