Drupal 8 Routing
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Presentation about comparing routing system in Drupal 7 and Drupal 8. What is implemented in REST module of Drupal 8? What is going to be in Services module for Drupal 8.
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Drupal 8 Routing
- 1. Services Drupal 8 Yuriy Gerasimov Senior Drupal Architect Propeople @ygerasimov
- 2. Routing
- 3. Drupal 7 routing ● based on path only (menu_get_item($path)) ● tied up with menu links (tables menu_router, menu_links)
- 4. menu_rebuild() ● This function will clear and populate the {menu_router} table, add entries to {menu_links} for new router items, and then remove stale items from {menu_links}. If called from update.php or install.php, it will also schedule a call to itself on the first real page load from menu_execute_active_handler(), because the maintenance page environment is different and leaves stale data in the menu tables.
- 5. Drupal 7 routing ● hook_menu()
- 6. Drupal 7 routing ● hook_menu_alter()
- 8. Drupal 8 routing ● mymodule.routing.yml ● ● ● {router} database table, route_set = <modulename>
- 9. Dynamic routes ● Subscriber reacting on RoutingEvents::DYNAMIC event ● ● ● ● ● ● {router} table, route_set = dynamic_routes
- 10. Drupal 8 meets Symfony routing ● RouterListener subscriber (core.services.yml) ● RouterListener::onKernelRequest() sets attributes to request object using matcher
- 13. router.dynamic internals ● RouteProvider – fetch all records from {router} table filtering by pattern_outline, ● NestedMatcher: – MimeTypeMatcher – UrlMatcher: ● prefix ● regex (example #^/node$#s) ● host regex ● http method ● http scheme (http or https)
- 14. legacy_router internals ● NullGenerator ● LegacyUrlMatcher – menu_get_item($path) – Convert it to Route ● _controller is callback function name ● hook_menu 'file' got included
- 15. Routing Recap Drupal7 ● Path only ● Tied with menu links Drupal 8 ● Heavily used Symfony ● Path ● Mime type ● Http method ● (and more)
- 16. REST in core ● New Entity API with field metadata ● REST API support can be enabled for any entity known to the system ● Access control on the entity level ● Access control on the field level
- 17. Modules ● Serialization ● REST ● HAL
- 18. Retrieve a node (decoded)
- 19. Resource plugin ● DrupalmodulenamePluginrestresource ● Annotation with id and description ● Each http method as class method (get, post, delete, patch ...)
- 20. Resource plugin
- 21. Serialization
- 22. Normalizers ● ImageItemNormalizer ● EntityReferenceNormalizer ● FieldItemNormalizer ● FieldNormalizer ● EntityNormalizer
- 23. Serialization
- 24. CSRF protection ● Each non-safe REST call (not GET, HEAD, OPTIONS, TRACE methods) should be done with 'X-CSRF-Token' header with token. ● Drupal 7 Services got SA on 6 June 13.
- 25. Services in Drupal 8 (plans) ● Own plugin (extends Resource from REST) ● Each method as own route (not tied with http method names) ● Use annotations to describe your routes ● Validation of arguments
- 26. Services example
- 27. Authentication (in progress) ● https://drupal.org/node/1890878 ● No more dependent on Cookie Session ● Authentication Providers ● Multiple authentication providers – 400 Bad Request ● Access check if authenticaion provider allowed
- 30. Guzzle. Client ● Descriptions make life easier
- 31. Services Guzzle module ● Module for Drupal 7 ● Includes client for testing (similar to what services 6.x-2.x had)
- 32. Thanks ● Larry Garfield @Crell ● Lin Clark @linclark ● Klaus Purer @_klausi_ ● WSCCI team
- 33. Links ● https://groups.drupal.org/wscci ● https://portland2013.drupal.org/session/rest- and-serialization-drupal-8 ● http://guzzlephp.org/
- 34. Services Drupal 8 Yuriy Gerasimov Senior Drupal Architect Propeople @ygerasimov