Fine-grained route access control based on CRUD for hapi.js
This hapi.js plugin allows you to specify ACL permission requirements for each of your routes using CRUD. For example let's say you have a resource called "cars". You could protect each route with the following permissions:
'cars:read', 'cars:create', 'cars:edit', 'cars:delete'
Routes can be protected by multiple permissions. For example you might have a route for drivers of cars that looks like: POST /cars/1/drivers/
You can protect this route with: ['cars:read', 'drivers:create']
var Hapi = require('hapi');
var internals = {};
internals.permissionsFunc = function(credentials, callback) {
// use credentials here to retrieve permissions for user
// in this example we just return some permissions
var userPermissions = {
cars: {
read: true,
create: false,
edit: true,
delete: true
},
drivers: {
read: true,
create: false,
edit: false,
delete: false
}
};
callback(null, userPermissions);
};
var server = new Hapi.Server();
server.connection();
server.register({
register: require('hapi-route-acl'),
options: {
permissionsFunc: internals.permissionsFunc
}
}, function(err) {
if (err) {
console.log(err);
}
});
server.route([
{
method: 'GET',
path: '/unprotected',
config: {
handler: function(request, reply) {
reply('hola mi amigo');
}
}
},
{
method: 'GET',
path: '/cars',
config: {
handler: function(request, reply) {
reply(['Toyota Camry', 'Honda Accord', 'Ford Fusion']);
},
plugins: {
hapiRouteAcl: {
permissions: ['cars:read']
}
}
}
},
{
method: 'GET',
path: '/cars/{id}',
config: {
handler: function(request, reply) {
reply('Toyota Camry');
},
plugins: {
hapiRouteAcl: {
permissions: 'cars:read'
}
}
}
},
{
method: 'DELETE',
path: '/cars/{id}',
config: {
handler: function(request, reply) {
reply('car deleted!');
},
plugins: {
hapiRouteAcl: {
permissions: ['cars:delete']
}
}
}
},
{
method: 'GET',
path: '/cars/{id}/drivers',
config: {
handler: function(request, reply) {
reply(['Greg', 'Tom', 'Sam']);
},
plugins: {
hapiRouteAcl: {
permissions: ['cars:read', 'drivers:read']
}
}
}
},
{
method: 'DELETE',
path: '/cars/{carId}/drivers/{driverId}',
config: {
handler: function(request, reply) {
reply('driver deleted!');
},
plugins: {
hapiRouteAcl: {
permissions: ['cars:read', 'drivers:delete']
}
}
}
}]
);
server.start();This plugin requires a permissionsFunc which takes credentials (from request.auth.credentials) and a callback with format: callback(err, permissions).
The permission format should look something like this:
{
cars: {
read: true,
create: false,
edit: true,
delete: true
},
drivers: {
read: true,
create: false,
edit: false,
delete: false
}
};Keys are route names and values are objects that map each crud type to a boolean for access.
A full example has been provided in the example/ folder. You can run this example with node example/server.js and send requests to it.
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