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thali-acl

v0.0.1

Published

Thali Database for managing ACLs

Downloads

10

Readme

Build Status

thali-acl The ACL Library for the Thali Project

This is the ACL library for the Thali Project. This provides access to the ACL PouchDB database via the node_acl_pouchdb project.

This gives the user the ability to do the following:

  • Add roles
  • Add users to roles
  • Remove roles
  • Remove users from roles
  • Determine whether the user has a role
  • Get a list of roles per user
  • Get a list of users per role

Follow @ThaliProject for updates about this library.

Installation

$ npm install thali-acl

API

ThaliAclDb creation

ThaliAclDb members

new ThaliAclDb(name, options)

Creates a new instance of the ThaliAclDb with a url/file location and options

Arguments

  1. name (String): The name of the database. If not specified, defaults to 'thali_acl'
  2. options (Object): The optional configuration options. See PouchDB Documentation for acceptable option values.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

ThaliAclDb.prototype.isAllowed(user, resource)

Determines whether the user is allowed access to a given resource.

Arguments

  1. user (String): The user to check whether they have permission to the resource.
  2. resource (String): The resource to check whether the user has access to.

Returns

A Promise which on success returns true if the user has access to the given role, else false.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.addUserToRole('thali', 'guest');
  })
  .then(function () {
    return db.isAllowed('thali', 'guest');
  })
  .then(function (isAllowed) {
    console.log('thali is allowed: %s', isAllowed)
  })
  .catch(function(err) {
    console.log(err);
  });
// => thali is allowed: true

ThaliAclDb.prototype.addRole(role)

Adds a role to the ACL database.

Arguments

  1. role (String): The role name to add.

Returns

A Promise which returns nothing on success.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    console.log('guest added')
  })
  .catch(function(err) {
    console.log(err);
  });
// => guest added

ThaliAclDb.prototype.removeRole(role)

Removes a role from the ACL database.

Arguments

  1. role (String): The role name to remove.

Returns

A Promise which returns nothing on success.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.removeRole('guest');
  })
  .then(function () {
    console.log('guest removed')
  })
  .catch(function(err) {
    console.log(err);
  });
// => guest removed

ThaliAclDb.prototype.addUserToRole(user, role)

Adds a user to a given role.

Arguments

  1. user (String): The user to add to the role.
  2. role (String): The role name to add to the user.

Returns

A Promise which returns nothing on success.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.addUserToRole('thali', 'guest');
  })
  .then(function () {
    console.log('thali added to guest role');
  })
  .catch(function(err) {
    console.log(err);
  });
// => thali added to guest role

ThaliAclDb.prototype.removeUserFromRole(user, role)

Removes a user from a given role.

Arguments

  1. user (String): The user to remove from the role.
  2. role (String): The role name to remove from the user.

Returns

A Promise which returns nothing on success.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.addUserToRole('thali', 'guest');
  })
  .then(function () {
    return db.removeUserFromRole('thali', 'guest');
  })
  .then(function () {
    console.log('thali removed from guest role');
  })
  .catch(function(err) {
    console.log(err);
  });
// => user thali removed from guest role.

ThaliAclDb.prototype.getRolesByUser(user)

Gets the roles for the given user as an array.

Arguments

  1. user (String): The user to get the roles for.

Returns

A Promise which on success returns an array of roles for the given user.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.addUserToRole('thali', 'guest');
  })
  .then(function () {
    return db.getRolesByUser('thali');
  })
  .then(function (roles) {
    console.log(roles)
  })
  .catch(function(err) {
    console.log(err);
  });
// => [guest]

ThaliAclDb.prototype.getUsersByRole(role)

Gets the users by the given role.

Arguments

  1. user (String): The user to get the roles for.

Returns

A Promise which on success returns an array of roles for the given user.

Example

var ThaliAclDb = require('thali-acl');

var db = new ThaliAclDb('acl', { db: require('memdown') });

db.addRole('guest')
  .then(function () {
    return db.addUserToRole('thali', 'guest');
  })
  .then(function () {
    return db.getUsersByRole('guest');
  })
  .then(function (users) {
    console.log(users)
  })
  .catch(function(err) {
    console.log(err);
  });
// => [thali]

LICENSE

The MIT License (MIT)

Copyright (c) 2015 Microsoft Corporation

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.