Slim Frameworkで始めるPHPのmiddleware

Transcript

1. 4MJN
   'SBNFXPSLͰ࢝ΊΔ 
 1)1ͷNJEEMFXBSF 
   
   1)1ΧϯϑΝϨϯεؔ੢ 
 ߹ಉձࣾςϯϚυɹࢁԬ޿޾

2. ࣗݾ঺հ  ࢁԬ޿޾
   
   !IJSP@Z
    1)1ͱ͔/PEFKTͱ͔ॻ͖·͢
    Ұ൪޷͖ͳͷ͸$44
    ߹ಉձࣾςϯϚυ
   ୅දࣾһ

3. ߹ಉձࣾςϯϚυ  ೥݄ઃཱʢظ໨ʣ
    ୅දࣾһਓ
   !!
    Ϗδωεࢧԉࣄۀ
    αʔϏε։ൃࣄۀ
   

    JSVDB
   
   NJNFNP
   
   DPOBTV

4. NJEEMFXBSFͱ͸ʁ
   ͱ͍͏࿩Λ͠·͢

5. XFCΞϓϦέʔγϣϯͱ͸  )551ͷϦΫΤετΛड͚औΓ
    ͍Ζ͍ΖॲཧΛͯ͠
    ೝূͱ͔%#ʹσʔλอଘͱ͔
    ͍ΘΏΔϏδωεϩδοΫ
   

   )551ͷϨεϙϯεΛฦ͢

6. ؆୯ʹඳ͘ͱ͜͏

7. ϑΟϧλʔͱ͍͏ൃ૝  શϦΫΤετڞ௨ͷॲཧ
    ॲཧલͷϩάΠϯೝূ
    ॲཧલͷσʔλऔಘɹͳͲ
    ΞϓϦέʔγϣϯຊମͷલʹ
 ॲཧΛڬΊΔΑ͏ʹ͢Ε͹Α͍ͷͰ͸

8. ϑΟϧλʔʢલॲཧʣ

9. ϑΟϧλʔͷൃ૝ɺଓ͖  શϦΫΤετڞ௨ͷॲཧɺ·ͩ͋Δ
    ॲཧޙͷϩΪϯά
    ॲཧޙʹ·ͱΊͯϝʔϧૹ৴
    ΞϓϦέʔγϣϯຊମͷޙʹ΋
 ॲཧΛڬΊΔΑ͏ʹ͢Ε͹͍͍ΑͶ

10. ϑΟϧλʔʢޙॲཧʣ

11. ͜͜Ͱ/PEFKTͷ
    &YQSFTTͷ࿩Λ͠·͢

12. &YQSFTT  IUUQFYQSFTTKTDPN
     l'BTU
    VOPQJOJPOBUFE
    NJOJNBMJTU
    XFC
    GSBNFXPSL
    GPS
    /PEFKTz
    

    /PEFKTͰҰ൪࢖ΘΕ͍ͯΔ
 XFCΞϓϦέʔγϣϯϑϨʔϜϫʔΫ

13. )FMMP
    8PSME const express = require('express'); const app = express(); app.get('/',

    function(req, res) { res.send('Hello World!'); }); app.listen(3000);

14. ͖ͬ͞ͷਤ

15. &YQSFTTͷߏ੒  SPVUJOH
     ϦΫΤετΛॲཧʹϚοϐϯά
     NJEEMFXBSF
     SPVUJOHͷաఔͰ
 ೚ҙͷॲཧΛࠩ͠ࠐΉͨΊͷ࢓૊Έ

16. &YQSFTTͷNJEEMFXBSF  ࢖͍Ͳ͜Ζ
     ڞ௨ॲཧʢલॲཧɺޙॲཧʣ
     ͭͷSPVUJOHʹରͯ͠ෳ਺࿈݁Ͱ͖Δ
     OFYU
    DBMMCBDLΛݺͿͱ
 ࣍ͷNJEEMFXBSFʹॲཧ͕ҠΔ
    

     ࣮ߦͷॱং͸એݴॱ

17. NJEEMFXBSFͷجຊ function(req, res, next) { // Կ͔લॲཧΛ͢Δ next(); // ࣍ͷmiddlewareΛݺͿ

    // Կ͔ޙॲཧΛ͢Δ };

18. NJEEMFXBSFͷྫ const myLogger = function(req, res, next) { console.log('Logged!'); next();

    }; app.get('/', myLogger, function(req, res) { res.send('Hello World!'); });

19. 
    NJEEMFXBSFͷྫ
    શ const myLogger = function(req, res, next) { console.log('Logged!');

    next(); }; app.use(myLogger); // શϦΫΤετʹద༻ app.get('/', function(req, res) { res.send('Hello World!'); });

20. ೖΕࢠʹͳ͍ͬͯΔ

21. 
    NJEEMFXBSFͷྫʢෳ਺ʣ const auth = function(req, res, next) {}; const logger

    = function(req, res, next) {}; app.get('/', auth, logger, function(req, res) { res.send('Hello World!'); });

22. 
    NJEEMFXBSFͷྫʢʁʣ const myLogger = function(req, res) { console.log('Logged!'); }; app.get('/',

    function(req, res, next) { res.send('Hello World!'); next(); }, myLogger); // ॲཧ࣮ߦޙʹݺ͹ΕΔ

23. ͋ΒΏΔॲཧ͕
    NJEEMFXBSFͱͯ͠
    ࣮૷ɾ࣮ߦ͞ΕΔੈք

24. ೖΕࢠঢ়ଶ

25. λϚωΪΈ͍ͨʁ QIPUP
    CZ
    EBSXJO
    #FMM
    MJDFOTFE
    VOEFS
    $$
    #:
     
 IUUQTXXXqJDLSDPNQIPUPTEBSXJOCFMM

26. Ұํ1)1Ͱ͸
    ʢؼ͖ͬͯͨʂʣ

27. 4UBDL1)1  IUUQTUBDLQIQDPN
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28. 4UBDL1)1

29. Ͱ͸ͦΖͦΖ
    4MJN
    'SBNFXPSLͷ࿩

30. 4MJN
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31. 143  IUUQXXXQIQpHPSHQTSQTS
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    XFCΞϓϦͷೖग़ྗͷඪ४Խ

32. )FMMP
    8PSME // autoloadͱ͔use͸লུ… $app = new \Slim\App(); $app->get('/', function($request, $response)

    { $response->getBody() ->write('Hello World!'); return $response; }); $app->run();

33. ؆୯Ͱ͠ΐʁ

34. ͍Α͍Α
    NJEEMFXBSFͷ࿩

35. NJEEMFXBSFʢؔ਺ʣ function(Request $request, Response $response, callable $next): Response {
 //

    Կ͔લॲཧΛ͢Δ $response = $next($request, $response); // Կ͔ޙॲཧΛ͢Δ return $response; };

36. NJEEMFXBSFʢΫϥεʣ class ExampleMiddleware { public function __invoke( Request $request, Response

    $response, callable $next ): Response { // …ؔ਺ͷͱ͖ͱಉ͡ } }

37. NJEEMFXBSFͷద༻ $app->get('/', function($request, $response) { // Կ͔ॲཧͯ͠ResponseΛฦ͢ })->add(ExampleMiddleware::class); // ΋͠΋શॲཧʹڬΉͳΒ

    $app->add(ExampleMiddleware::class);

38. DPOUSPMMFS // $app->get('/', ExampleAction::class); class ExampleAction { public function __invoke(

    Request $request, Response $response, array $args): Response
 { return $response; } }

39. %*ίϯςφͱ
    ૊Έ߹ΘͤΔͱ
    ΋ͬͱศརʹ

40. 4MJNͷ%*ίϯςφͷҐஔ෇͚  Πϯελϯεੜ੒͸%*ίϯςφͷ੹຿
     ޷͖ͳ%*ίϯςφʹࠩ͠ସ͑Մೳ
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    143࣮૷ͷίϯςφʢ͔Βʣ

41. %*ίϯςφͱͷ૬ੑ  @@JOWPLFϝιου͕͋Ε͹Α͍ͷͰ
     DPOUSPMMFS΋NJEEMFXBSF΋
     ίϯετϥΫλΠϯδΣΫγϣϯ
     ೚ҙͷΠϯελϯεΛ౉ͤΔ
    

    NPEFMΫϥεͱ͔ɺSFOEFSFSͱ͔

42. DPOUSPMMFS /** @var \Slim\Views\Twig */ private $view; public fucntion __construct(Twig

    $view) { $this->view = $view; } public function __invoke(Request $request, Response $response, array $args): Response { return $this->view->render($response, 'foo.twig'); }

43. ࿩Λ໭ͯ͠ɺ143ͷ࿩

44. ؔ܎͋Γͦ͏ͳ143  IUUQXXXQIQpHPSHQTS
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45. 143
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46. 143
    %SBGU  .JEEMFXBSF*OUFSGBDF
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     ·ͩٞ࿦ͷߦํ͕ఆ·͍ͬͯͳ͍

47. 1)1ͷNJEEMFXBSFྲّྀ  %PVCMF
    1BTT
     4MJN͸ͬͪ͜
     GO SFRVFTU
    SFTQPOTF
    OFYU

    
    SFTQPOTF
     4JOHMF
    1BTT
     GO SFRVFTU
    OFYU 
    SFTQPOTF

48. .JEEMFXBSF*OUFSGBDF namespace Psr\Http\ServerMiddleware; interface MiddlewareInterface { public function process( ServerRequestInterface

    $request, DelegateInterface $delegate ): ResponseInterface; }

49. %FMFHBUF*OUFSGBDF namespace Psr\Http\ServerMiddleware; interface DelegateInterface { public function process( ServerRequestInterface

    $request ): ResponseInterface; }

50. ଞͷϑϨʔϜϫʔΫͷ৔߹

51. -BSBWFM  IUUQTMBSBWFMDPNEPDT NJEEMFXBSF
     143ͳͲ͸ҙ͍ࣝͯ͠ͳ͍
     ैདྷͷDPOUSPMMFSͷิॿతͳ໾ׂ
     ڞ௨ॲཧΛ࣮૷͢ΔͨΊͷ࢓૊Έ

52. -BSBWFMྫ class CheckAge { public function handle( \Illuminate\Http\Request $request, \Closure

    $next) { // Կ͔ॲཧʢલͰ΋ޙΖͰ΋ʣ return $next($request); } } Route::get('/', function() { /* ॲཧ */ }) ->middleware(CheckAge::class);

53. $BLF1)1  $BLF1)1
    ͔ΒNJEEMFXBSF͕͋Δ
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54. 4ZNGPOZ  NJEEMFXBSFʹ૬౰͢Δػೳ͸ͳ͍
     ػೳͱͯ͠͸ϑΟϧλʔ͕͋Δ
     4JMFYͰNJEEMFXBSFͱݺͿ΋ͷ͸͋Δ
     ͕ɺ͍ΘΏΔϑΟϧλʔͰ͔͠ͳ͍

55. ;FOE
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56. ;FOE
    &YQSFTTJWFྫ $helloMiddleware = function ( ServerRequestInterface $request, DelegateInterface $delegate )

    { return new TextResponse('Hello', 200); }; // ͋Δ͍͸MiddlewareInterfaceΛ࣮૷ͨ͠Ϋϥε $app->get('/hello', $hellosMiddleware);

57. NJEEMFXBSF
    ͍͔͕Ͱ͔ͨ͠ʁ

58. ·ͱΊ  NJEEMFXBSFͱ͍͏ߟ͑ํΛ஌Δ͜ͱ
     ॲཧΛNJEEMFXBSFͰ෼ׂ
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    4MJNͱ͔;FOE
    &YQSFTTJWF໘ന͍Αʂ

59. ͋Γ͕ͱ͏͍͟͝·ͨ͠
    ࣭໰͕͋Ε͹Ͳ͏ͧ