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BrauneDigitalApiBaseBundle

This Symfony-Bundle uses FOS Rest and provides Basic Api functionality

Features

  • BaseApiController: A foundation for your api controllers
  • ApiKey authentication: Authenticate users using an api-token
  • Pagination
  • Query-Filtering: Filter Lists (coming soon)
  • Module Access: Split your Api into modules and restrict their access to certain user roles
  • Custom Configuration in Response: Add your custom configuration to specific responses

Requirements

  • FOSRestBundle
  • WhiteOctoberPagerFantaBundle
  • FOSUserBundle (for now)
  • JMSSerializerBundle (optional)

Installation

Download using composer:

composer require braune-digital/api-base-bundle "1.*"

And enable the Bundle in your AppKernel.

You may use the BaseApiController without registering the bundle too.

public function registerBundles()
    {
        $bundles = array(
          ...
            new JMS\SerializerBundle\JMSSerializerBundle(),
            new FOS\RestBundle\FOSRestBundle(),

            new BrauneDigital\ApiBaseBundle\BrauneDigitalApiBaseBundle(),
            new Nelmio\CorsBundle\NelmioCorsBundle(),
          ...
        );

Configuration

DefaultConfiguration

braune_digital_api_base:
    modules: ~ #Used for Module-Access
    timeout: 0 # Timeout for Api-Tokens (use 0 for no timeout)
    configuration: # Your configuration to be send

FOSRest Configuration

fos_rest:
    disable_csrf_role: ROLE_API
    param_fetcher_listener: true
    body_listener:
        array_normalizer: fos_rest.normalizer.camel_keys
    format_listener: true
    view:
        view_response_listener: force
        exception_wrapper_handler: 'BrauneDigital\ApiBaseBundle\View\ExceptionWrapperHandler'
    routing_loader:
        default_format: json
    body_converter:
        enabled: true
        validate: true
    exception:
        codes:
            'Doctrine\ORM\EntityNotFoundException': 403
        messages:
            'Doctrine\ORM\EntityNotFoundException': false

NelmioCors Configuration

To support OPTIONS calls from your clients.

nelmio_cors:
   defaults:
       allow_credentials: false
       allow_origin: []
       allow_headers: []
       allow_methods: []
       expose_headers: []
       max_age: 0
       hosts: []
       origin_regex: false
   paths:
       '^/api/':
           allow_credentials: true
           allow_origin: ['*']
           allow_headers: ['*']
           allow_methods: ['POST', 'PUT', 'GET', 'DELETE', 'OPTIONS']
           max_age: 0

Security.yml Configuration

providers:
    braune_digital_api_base:
            id: braune_digital_api_base.security.apikey_user_provider
    firewalls:
        api_doc: #Open API Documentation
            pattern: ^/api/doc
            anonymous: true
            security: false
        api_login:
            pattern: ^/api/v1/login$
            anonymous: true
        api_password_reset:
            pattern: ^/api/v1/password-((request$)|(reset$))
            anonymous: true
        api: #Secured API-Area
            pattern: ^/api
            stateless: true #we are using tokens
            simple_preauth:
                authenticator: braune_digital_api_base.security.apikey_authenticator #use apikeys for authentication
            provider: braune_digital_api_base #use apikeys for authentication

Usage

BaseApiController

The BaseApiController provides the underlying logic to create api-endpoints fast and easy: Just extend the BrauneDigital\ApiBaseBundle\Controller\BaseApiController and add your functions:

<?php

namespace BrauneDigital\DemoBundle\Controller\V1;

use BrauneDigital\ApiBaseBundle\Controller\BaseApiController;
use BrauneDigital\DemoBundle\Form\Type\ProjectType;
use BrauneDigital\Pitcher\BaseBundle\Entity\Company;
use BrauneDigital\Pitcher\BaseBundle\Entity\Project;
use Doctrine\Common\Collections\ArrayCollection;
use Nelmio\ApiDocBundle\Annotation\ApiDoc;
use FOS\RestBundle\Controller\Annotations as Rest;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Symfony\Component\HttpFoundation\Request;

/**
 * @author    Patrick Rathje <pr@braune-digital.com>
 * @copyright 2016 Braune Digital GmbH
 */
class ProjectController extends BaseApiController {

    protected function getRepository() {
        return $this->getDoctrine()->getRepository('BrauneDigitalDemoBundle:Project');
    }

    /**
     *
     * @ApiDoc(
     *  resource=false,
     *  section="Project",
     *  description="Get a project by id",
     *  requirements= {
     *      {"name": "id", "description":"Project-ID", "dataType": "integer"},
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"},
     *     {"name": "version", "description":"API-Version", "requirement": "json|xml|html", "dataType": "integer"}
     * }
     *)
     *
     * @param Request $request
     * @param $id
     * @return \FOS\RestBundle\View\View
     *
     * @Rest\Get("/projects/{id}", name="project_read", defaults={"_format": "json"})
     */
    public function readAction(Request $request, $id) {
        return parent::readAction($request, $id);
    }

    /**
     *
     * @ApiDoc(
     *  resource=false,
     *  section="Project",
     *  description="Get projects",
     *  requirements= {
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"},
     *     {"name": "version", "description":"API-Version", "requirement": "json|xml|html", "dataType": "integer"}
     *  }
     *)
     *
     * @param Request $request
     * @param $id
     * @return \FOS\RestBundle\View\View
     *
     * @Rest\Get("/projects", name="project_list", defaults={"_format": "json"})
     */
    public function listAction(Request $request) {
        return parent::listAction($request);
    }


    /**
     *
     * @ApiDoc(
     *  resource=false,
     *  section="Project",
     *  description="Create a project",
     * requirements= {
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"},
     *     {"name": "version", "description":"API-Version", "requirement": "json|xml|html", "dataType": "integer"}
     * },
     *  input="BrauneDigital\DemoBundle\Form\Type\ProjectType"
     *)
     *
     * @param Request $request
     * @param $id
     * @return \FOS\RestBundle\View\View
     *
     * @Rest\Post("/projects", name="project_create", defaults={"_format": "json"})
     */
    public function createAction(Request $request, $entity = null, $refresh = false, $formOptions = null) {
        $entity = new Project();
        return parent::createAction($request, $entity);
    }

    /**
     *
     * @ApiDoc(
     *  resource=false,
     *  section="Project",
     *  description="Update a project",
     * requirements= {
     *     {"name": "id", "description":"Project-ID", "dataType": "integer"},
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"},
     *     {"name": "version", "description":"API-Version", "requirement": "json|xml|html", "dataType": "integer"}
     * },
     *  input="BrauneDigital\DemoBundle\Form\Type\ProjectType"
     *)
     *
     * @param Request $request
     * @param $id
     * @return \FOS\RestBundle\View\View
     *
     * @Rest\Post("/projects/{id}", name="project_update", defaults={"_format": "json"})
     */
    public function updateAction(Request $request, $id, $refresh = false, $formOptions = null) {
        //add validation groups
        return parent::updateAction($request, $id, false, array('validation_groups' => array('ProjectUpdate')));
    }

    /**
     *
     * @ApiDoc(
     *  resource=false,
     *  section="Project",
     *  description="Delete a project",
     * requirements= {
     *     {"name": "id", "description":"Project-ID", "dataType": "integer"},
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"},
     *     {"name": "version", "description":"API-Version", "requirement": "json|xml|html", "dataType": "integer"}
     * }
     *)
     *
     * @param Request $request
     * @param $id
     * @return \FOS\RestBundle\View\View
     *
     * @Rest\Delete("/projects/{id}", name="project_delete", defaults={"_format": "json"})
     */
    public function deleteAction(Request $request, $id) {
        return parent::deleteAction($request, $id);
    }

    /**
    * Override the getForm Method for create and update functionalities, you may want to return different forms accordings to the mode
    **/
    protected function getForm($entity, $mode = '', $options = array()) {
        return $this->createForm(new ProjectType(), $entity, $options);
    }
}

You will have to specifiy a Repository and you may need to override the getForm function, if you want to create or update entities.

Security System

To restrict the access to single resources you will need to use symfony voters. Take a look at the BrauneDigital\ApiBaseBundle\Security\Authorization\Voter\BaseCrudVoter which specifies the attributes that are used for the corresponding routes.

Filter the ListAction

To filter list actions, one can override the createListQueryBuilder($alias = 'e') method. The querybuilder can be customized before returning.

Serialization Groups (JMSSerializerBundle required)

Serialization Groups are used by the JMS Serializer to get a better control over the serialization process.

In your controller

You can easily Add Serialization Groups using $this->addSerializationGroup($group) or set them by calling $this->serializationGroups($groups).

Using the API-Request Header

Clients can also set serialization Groups by setting the serializationGroupsheader in the request. The Header may be a simple string, comma delimited or an array of strings.

Api-Key Authentication

In order to use api-tokens, you have to add a token to your User-Class:

    protected $token;
    
    /**
     * @return mixed
     */
    public function getToken()
    {
        return $this->token;
    }

    /**
     * @param mixed $token
     */
    public function setToken($token)
    {
        $this->token = $token;
    }

And add your DB-Mapping (e.g. DoctrineORM):

fields:
    token:
        type: string
        nullable: true

Module Access

This Bundle provides a Module-Access Annotation, which can be used to restrict the access of specific routes to certain Roles. In contrast to the Symfony Voting system, this is based on api-endpoints and not on ressources. Import the annotation:

use BrauneDigital\ApiBaseBundle\Annotation\ModuleAccess;

Add your modules:

@ModuleAccess({"products", "sales"})

Or if you only use a single module:

@ModuleAccess("products")

If the user has access to one of the modules, access will be granted. Define the Modules in your configuration:

braune_digital_api_base:
  modules:
    products:
        roles: ['ROLE_ADMIN', 'ROLE_CLIENT']
    sales:
        roles: ['ROLE_SALESMAN']

Example:

    /**
     * @ApiDoc(
     *  resource=false,
     *  section="Your Section",
     *  description="A nice description",
     *  requirements= {
     *      {"name": "_format", "description":"Response-Format", "requirement": "json|xml|html", "dataType": "string"}
     * }
     *)
     * @Rest\Get("/products")
     * @ModuleAccess({"products", "sales"})
     * @param Request $request
     * @return mixed
     */
    public function listAction(Request $request) {
        return parent::listAction($request);
    }

Variable Configuration

You can set the _braune_digital_api_base_config attribute in your request to append your custom configuration (braune_digital_api_base.configuration) to your response:

//send configuration
$request->attributes->set('_braune_digital_api_base_config', true);

The configuration will be available under the key configuration in your response.

Suggestions

Api-Documentation

We suggest the usage of NelmioApiDocBundle for a clean and easy to use api documentation.

JMSSerializerBundle

TODO

  • Check for FOSUserBundle before initializing services

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This Symfony2-Bundle uses FOS Rest and provides Basic Api functionality

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