1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* This file is part of the Drest package. |
4
|
|
|
* |
5
|
|
|
* For the full copyright and license information, please view the LICENSE |
6
|
|
|
* file that was distributed with this source code. |
7
|
|
|
* |
8
|
|
|
* @author Lee Davis |
9
|
|
|
* @copyright Copyright (c) Lee Davis <@leedavis81> |
10
|
|
|
* @link https://github.com/leedavis81/drest/blob/master/LICENSE |
11
|
|
|
* @license http://opensource.org/licenses/MIT The MIT X License (MIT) |
12
|
|
|
*/ |
13
|
|
|
namespace Drest; |
14
|
|
|
|
15
|
|
|
use Drest\Mapping\RouteMetaData; |
16
|
|
|
use Drest\Route\MultipleRoutesException; |
17
|
|
|
use Drest\Route\NoMatchException; |
18
|
|
|
use Drest\Service\Action\Registry as ServiceActionRegistry; |
19
|
|
|
use DrestCommon\Error\Handler\AbstractHandler; |
20
|
|
|
use DrestCommon\Error\Response\Text as ErrorResponseText; |
21
|
|
|
use DrestCommon\Representation\UnableToMatchRepresentationException; |
22
|
|
|
use DrestCommon\Request\Request; |
23
|
|
|
use DrestCommon\Response\Response; |
24
|
|
|
|
25
|
|
|
class Manager |
26
|
|
|
{ |
27
|
|
|
use HttpManagerTrait; |
28
|
|
|
use EventManagerTrait; |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* Doctrine Entity Manager Registry |
32
|
|
|
* @var EntityManagerRegistry $emr |
33
|
|
|
*/ |
34
|
|
|
protected $emr; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* Drest configuration object |
38
|
|
|
* @var Configuration $config |
39
|
|
|
*/ |
40
|
|
|
protected $config; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* Metadata manager object |
44
|
|
|
* @var Manager\Metadata $metadataManager |
45
|
|
|
*/ |
46
|
|
|
protected $metadataManager; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* Representation manager |
50
|
|
|
* @var Manager\Representation |
51
|
|
|
*/ |
52
|
|
|
protected $representationManager; |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Drest router |
56
|
|
|
* @var \Drest\Router $router |
57
|
|
|
*/ |
58
|
|
|
protected $router; |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* A service object used to handle service actions |
62
|
|
|
* @var Service $service |
63
|
|
|
*/ |
64
|
|
|
protected $service; |
65
|
|
|
|
66
|
|
|
/** |
67
|
|
|
* Error handler object |
68
|
|
|
* @var AbstractHandler $error_handler |
69
|
|
|
*/ |
70
|
|
|
protected $error_handler; |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* The name of an explicit route call |
74
|
|
|
* @var string $named_route |
75
|
|
|
*/ |
76
|
|
|
protected $named_route; |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* Optional route parameter that may have been passed |
80
|
|
|
* @var array $route_params |
81
|
|
|
*/ |
82
|
|
|
protected $route_params; |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Creates an instance of the Drest Manager using the passed configuration object |
86
|
|
|
* Can also pass in a Event Manager instance |
87
|
|
|
* |
88
|
|
|
* @param EntityManagerRegistry $entityManagerRegistry |
89
|
|
|
* @param Configuration $config |
90
|
|
|
* @param Event\Manager $eventManager |
91
|
|
|
* @param ServiceActionRegistry $serviceActionRegistry |
92
|
|
|
*/ |
93
|
31 |
|
private function __construct( |
94
|
|
|
EntityManagerRegistry $entityManagerRegistry, |
95
|
|
|
Configuration $config, |
96
|
|
|
Event\Manager $eventManager, |
97
|
|
|
ServiceActionRegistry $serviceActionRegistry |
98
|
|
|
) |
99
|
|
|
{ |
100
|
31 |
|
$this->emr = $entityManagerRegistry; |
101
|
31 |
|
$this->config = $config; |
102
|
31 |
|
$this->eventManager = $eventManager; |
103
|
31 |
|
$this->service = new Service($this, $serviceActionRegistry); |
104
|
|
|
|
105
|
|
|
// Router is internal and currently cannot be injected / extended |
106
|
31 |
|
$this->router = new Router(); |
107
|
|
|
|
108
|
31 |
|
$this->metadataManager = Manager\Metadata::create($config); |
109
|
31 |
|
$this->representationManager = Manager\Representation::create($this->config); |
110
|
31 |
|
} |
111
|
|
|
|
112
|
|
|
/** |
113
|
|
|
* Static call to create the Drest Manager instance |
114
|
|
|
* |
115
|
|
|
* @param EntityManagerRegistry $entityManagerRegistry |
116
|
|
|
* @param Configuration $config |
117
|
|
|
* @param Event\Manager|null $eventManager |
118
|
|
|
* @param ServiceActionRegistry $serviceActionRegistry |
119
|
|
|
* @return Manager $manager |
120
|
|
|
*/ |
121
|
31 |
|
public static function create( |
122
|
|
|
EntityManagerRegistry $entityManagerRegistry, |
123
|
|
|
Configuration $config, |
124
|
|
|
Event\Manager $eventManager = null, |
125
|
|
|
ServiceActionRegistry $serviceActionRegistry = null |
126
|
|
|
) |
127
|
|
|
{ |
128
|
31 |
|
$driver = $config->getMetadataDriverClass(); |
129
|
|
|
|
130
|
31 |
|
if(method_exists($driver, 'register')) { |
131
|
31 |
|
$driver::register($config); |
132
|
31 |
|
} |
133
|
|
|
|
134
|
31 |
|
return new self( |
135
|
31 |
|
$entityManagerRegistry, |
136
|
31 |
|
$config, |
137
|
31 |
|
($eventManager) ?: new Event\Manager(), |
138
|
31 |
|
($serviceActionRegistry) ?: new Service\Action\Registry() |
139
|
31 |
|
); |
140
|
|
|
} |
141
|
|
|
|
142
|
|
|
|
143
|
|
|
/** |
144
|
|
|
* Dispatch a REST request |
145
|
|
|
* @param object $request - Framework request object |
146
|
|
|
* @param object $response - Framework response object |
147
|
|
|
* @param string $namedRoute - Define the named Route to be dispatch - by passes the internal router |
148
|
|
|
* @param array $routeParams - Route parameters to be used when dispatching a namedRoute request |
149
|
|
|
* @return Response $response - returns a Drest response object which can be sent calling toString() |
150
|
|
|
* @throws \Exception - Upon failure |
151
|
|
|
*/ |
152
|
31 |
|
public function dispatch($request = null, $response = null, $namedRoute = null, array $routeParams = []) |
153
|
|
|
{ |
154
|
31 |
|
$this->setUpHttp($request, $response, $this->getConfiguration()); |
155
|
|
|
|
156
|
|
|
// Save the named route to the object (overwritten on each dispatch) |
157
|
31 |
|
$this->named_route = $namedRoute; |
158
|
31 |
|
$this->route_params = $routeParams; |
159
|
|
|
|
160
|
|
|
// Register routes for lookup |
161
|
31 |
|
$this->metadataManager->registerRoutes($this->router); |
162
|
|
|
|
163
|
|
|
// trigger preDispatch event |
164
|
31 |
|
$this->triggerPreDispatchEvent($this->service); |
165
|
|
|
|
166
|
|
|
try { |
167
|
31 |
|
$this->execute(); |
168
|
31 |
|
} catch (\Exception $e) { |
169
|
|
|
|
170
|
4 |
|
if ($this->config->inDebugMode()) { |
171
|
|
|
// trigger a postDispatch event |
172
|
3 |
|
$this->triggerPostDispatchEvent($this->service); |
173
|
3 |
|
throw $e; |
174
|
|
|
} |
175
|
1 |
|
$this->handleError($e); |
176
|
|
|
} |
177
|
|
|
|
178
|
|
|
// trigger a postDispatch event |
179
|
28 |
|
$this->triggerPostDispatchEvent($this->service); |
180
|
|
|
|
181
|
28 |
|
return $this->getResponse(); |
182
|
|
|
} |
183
|
|
|
|
184
|
|
|
/** |
185
|
|
|
* Execute a dispatched request |
186
|
|
|
* @throws Route\NoMatchException|\Exception |
187
|
|
|
*/ |
188
|
31 |
|
protected function execute() |
189
|
|
|
{ |
190
|
31 |
|
if (($route = $this->determineRoute()) instanceof RouteMetaData) { |
191
|
|
|
|
192
|
|
|
// Set the matched service object and the error handler into the service class |
193
|
25 |
|
$this->service->setMatchedRoute($route); |
194
|
|
|
// Get the representation to be used - always successful or it throws an exception |
195
|
25 |
|
$this->service->setRepresentation($this->representationManager->handleExposureSettingsFromHttpMethod( |
196
|
25 |
|
$this->getRequest(), |
197
|
25 |
|
$route, |
198
|
25 |
|
$this->emr |
199
|
25 |
|
)); |
200
|
25 |
|
$this->service->setErrorHandler($this->getErrorHandler()); |
201
|
|
|
|
202
|
|
|
// Set up the service for a new request |
203
|
25 |
|
$this->service->setUpAndRunRequest(); |
204
|
25 |
|
} |
205
|
27 |
|
} |
206
|
|
|
|
207
|
|
|
|
208
|
|
|
/** |
209
|
|
|
* Determine the matched route from either the router or namedRoute |
210
|
|
|
* Returns false no route could be matched (ideally the response should be returned in this instance - fail fast) |
211
|
|
|
* @throws Route\NoMatchException|\Exception |
212
|
|
|
* @return RouteMetaData|false $route |
213
|
|
|
*/ |
214
|
31 |
|
protected function determineRoute() |
215
|
|
|
{ |
216
|
|
|
// dispatch preRoutingAction event |
217
|
31 |
|
$this->triggerPreRoutingEvent($this->service); |
218
|
|
|
try { |
219
|
31 |
|
$route = (!is_null($this->named_route)) |
220
|
31 |
|
? $this->getNamedRoute() |
221
|
30 |
|
: $this->getMatchedRoute(true); |
222
|
31 |
|
} catch (\Exception $e) { |
223
|
|
|
|
224
|
|
|
// dispatch postRoutingAction event |
225
|
6 |
|
$this->triggerPostRoutingEvent($this->service); |
226
|
|
|
|
227
|
6 |
|
if ($e instanceof NoMatchException && |
228
|
5 |
|
($this->doCGOptionsCheck() || $this->doOptionsCheck()) |
229
|
6 |
|
) { |
230
|
2 |
|
return false; |
231
|
|
|
} |
232
|
4 |
|
throw $e; |
233
|
|
|
} |
234
|
|
|
|
235
|
|
|
// check push edges have a handle, or a registered service action (also, only do this when we match on them) |
236
|
25 |
|
if ($route->needsHandleCall() && |
237
|
3 |
|
(!$route->hasHandleCall() && |
238
|
|
|
!$this->service->getServiceActionRegistry()->hasServiceAction($route)) |
239
|
3 |
|
) |
240
|
25 |
|
{ |
241
|
|
|
throw DrestException::routeRequiresHandle($route->getName()); |
242
|
|
|
} |
243
|
|
|
|
244
|
|
|
|
245
|
|
|
// dispatch postRoutingAction event |
246
|
25 |
|
$this->triggerPostRoutingEvent($this->service); |
247
|
|
|
|
248
|
|
|
// Set parameters matched on the route to the request object |
249
|
25 |
|
$this->getRequest()->setRouteParam($route->getRouteParams()); |
250
|
|
|
|
251
|
25 |
|
return $route; |
252
|
|
|
} |
253
|
|
|
|
254
|
|
|
/** |
255
|
|
|
* Get a route based on Entity::route_name. eg Entities\User::get_users |
256
|
|
|
* Syntax checking is performed |
257
|
|
|
* @throws DrestException on invalid syntax or unmatched named route |
258
|
|
|
* @return RouteMetaData $route |
259
|
|
|
*/ |
260
|
3 |
|
protected function getNamedRoute() |
261
|
|
|
{ |
262
|
3 |
|
if (substr_count($this->named_route, '::') !== 1) { |
263
|
|
|
throw DrestException::invalidNamedRouteSyntax(); |
264
|
|
|
} |
265
|
3 |
|
$parts = explode('::', $this->named_route); |
266
|
|
|
|
267
|
|
|
// Allow exception to bubble up |
268
|
3 |
|
$classMetaData = $this->getClassMetadata($parts[0]); |
269
|
3 |
|
if (($route = $classMetaData->getRouteMetaData($parts[1])) === false) { |
270
|
1 |
|
throw DrestException::unableToFindRouteByName($parts[1], $classMetaData->getClassName()); |
271
|
|
|
} |
272
|
|
|
|
273
|
2 |
|
$route->setRouteParams($this->route_params); |
274
|
|
|
|
275
|
2 |
|
return $route; |
276
|
|
|
} |
277
|
|
|
|
278
|
|
|
/** |
279
|
|
|
* Was the last dispatch request called with a named route? |
280
|
|
|
* @return bool |
281
|
|
|
*/ |
282
|
25 |
|
public function calledWithANamedRoute() |
283
|
|
|
{ |
284
|
25 |
|
return !is_null($this->named_route); |
285
|
|
|
} |
286
|
|
|
|
287
|
|
|
/** |
288
|
|
|
* Check if the client has requested the CG classes with an OPTIONS call |
289
|
|
|
* @return bool |
290
|
|
|
*/ |
291
|
5 |
|
protected function doCGOptionsCheck() |
292
|
|
|
{ |
293
|
5 |
|
$genClasses = $this->getRequest()->getHeaders(ClassGenerator::HEADER_PARAM); |
294
|
5 |
|
if ($this->getRequest()->getHttpMethod() != Request::METHOD_OPTIONS || empty($genClasses)) { |
295
|
4 |
|
return false; |
296
|
|
|
} |
297
|
|
|
|
298
|
1 |
|
$classGenerator = new ClassGenerator($this->emr); |
299
|
|
|
|
300
|
1 |
|
$classMetadatas = []; |
301
|
1 |
|
if (!empty($genClasses)) { |
302
|
1 |
|
foreach ($this->metadataManager->getAllClassNames() as $className) { |
303
|
1 |
|
$metaData = $this->getClassMetadata($className); |
304
|
1 |
|
foreach ($metaData->getRoutesMetaData() as $route) { |
305
|
|
|
/* @var RouteMetaData $route */ |
306
|
1 |
|
$route->setExpose( |
307
|
1 |
|
Query\ExposeFields::create($route) |
308
|
1 |
|
->configureExposeDepth( |
309
|
1 |
|
$this->emr, |
310
|
1 |
|
$this->config->getExposureDepth(), |
311
|
1 |
|
$this->config->getExposureRelationsFetchType() |
312
|
1 |
|
) |
313
|
1 |
|
->toArray() |
314
|
1 |
|
); |
315
|
1 |
|
} |
316
|
1 |
|
$classMetadatas[] = $metaData; |
317
|
1 |
|
} |
318
|
1 |
|
} |
319
|
|
|
|
320
|
1 |
|
$classGenerator->create($classMetadatas); |
321
|
|
|
|
322
|
1 |
|
$this->getResponse()->setBody($classGenerator->serialize()); |
323
|
|
|
|
324
|
1 |
|
return true; |
325
|
|
|
} |
326
|
|
|
|
327
|
|
|
/** |
328
|
|
|
* No match on route has occurred. Check the HTTP verb used for an options response |
329
|
|
|
* Returns true if it is, and option information was successfully written to the response object |
330
|
|
|
* @return boolean $success |
331
|
|
|
*/ |
332
|
4 |
|
protected function doOptionsCheck() |
333
|
|
|
{ |
334
|
4 |
|
if ($this->getRequest()->getHttpMethod() != Request::METHOD_OPTIONS) { |
335
|
2 |
|
return false; |
336
|
|
|
} |
337
|
|
|
|
338
|
|
|
// Do a match on all routes - don't include a verb check |
339
|
2 |
|
$verbs = []; |
340
|
2 |
|
foreach ($this->getMatchedRoutes(false) as $route) { |
341
|
|
|
/* @var RouteMetaData $route */ |
342
|
2 |
|
$allowedOptions = $route->isAllowedOptionRequest(); |
343
|
2 |
|
if (false === (($allowedOptions === -1) |
344
|
2 |
|
? $this->config->getAllowOptionsRequest() |
345
|
2 |
|
: (bool) $allowedOptions) |
346
|
2 |
|
) { |
347
|
1 |
|
continue; |
348
|
|
|
} |
349
|
1 |
|
$verbs = array_merge($verbs, $route->getVerbs()); |
350
|
2 |
|
} |
351
|
|
|
|
352
|
2 |
|
if (empty($verbs)) { |
353
|
1 |
|
return false; |
354
|
|
|
} |
355
|
|
|
|
356
|
1 |
|
$this->getResponse()->setHttpHeader('Allow', implode(', ', $verbs)); |
357
|
|
|
|
358
|
1 |
|
return true; |
359
|
|
|
} |
360
|
|
|
|
361
|
|
|
/** |
362
|
|
|
* Runs through all the registered routes and returns a single match |
363
|
|
|
* @param boolean $matchVerb - Whether you want to match the route using the request HTTP verb |
364
|
|
|
* @throws NoMatchException if no routes are found |
365
|
|
|
* @throws MultipleRoutesException If there are multiple matches |
366
|
|
|
* @return RouteMetaData $route |
367
|
|
|
*/ |
368
|
28 |
|
protected function getMatchedRoute($matchVerb = true) |
369
|
|
|
{ |
370
|
|
|
// Inject any route base Paths that have been registered |
371
|
28 |
|
if ($this->config->hasRouteBasePaths()) { |
372
|
|
|
$this->router->setRouteBasePaths($this->config->getRouteBasePaths()); |
373
|
|
|
} |
374
|
|
|
|
375
|
28 |
|
$matchedRoutes = $this->router->getMatchedRoutes($this->getRequest(), (bool) $matchVerb); |
376
|
28 |
|
if (sizeof($matchedRoutes) == 0) { |
377
|
5 |
|
throw NoMatchException::noMatchedRoutes(); |
378
|
23 |
|
} elseif (sizeof($matchedRoutes) > 1) { |
379
|
|
|
throw MultipleRoutesException::multipleRoutesFound($matchedRoutes); |
380
|
|
|
} |
381
|
|
|
|
382
|
23 |
|
return $matchedRoutes[0]; |
383
|
|
|
} |
384
|
|
|
|
385
|
|
|
/** |
386
|
|
|
* Get all possible match routes for this request |
387
|
|
|
* @param boolean $matchVerb - Whether you want to match the route using the request HTTP verb |
388
|
|
|
* @return array of Drest\Mapping\RouteMetaData object |
389
|
|
|
*/ |
390
|
2 |
|
protected function getMatchedRoutes($matchVerb = true) |
391
|
|
|
{ |
392
|
2 |
|
return $this->router->getMatchedRoutes($this->getRequest(), (bool) $matchVerb); |
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
/** |
396
|
|
|
* Handle an error by passing the exception to the registered error handler |
397
|
|
|
* @param \Exception $e |
398
|
|
|
* @throws \Exception |
399
|
|
|
*/ |
400
|
1 |
|
private function handleError(\Exception $e) |
401
|
|
|
{ |
402
|
1 |
|
$eh = $this->getErrorHandler(); |
403
|
|
|
|
404
|
|
|
try { |
405
|
1 |
|
$representation = $this->representationManager->getDeterminedRepresentation($this->getRequest()); |
406
|
1 |
|
$errorDocument = $representation->getDefaultErrorResponse(); |
407
|
1 |
|
$eh->error($e, 500, $errorDocument); |
408
|
1 |
|
} catch (UnableToMatchRepresentationException $e) { |
409
|
|
|
$errorDocument = new ErrorResponseText(); |
410
|
|
|
$eh->error($e, 500, $errorDocument); |
411
|
|
|
} |
412
|
|
|
|
413
|
1 |
|
$this->getResponse()->setStatusCode($eh->getResponseCode()); |
414
|
1 |
|
$this->getResponse()->setHttpHeader('Content-Type', $errorDocument::getContentType()); |
415
|
1 |
|
$this->getResponse()->setBody($errorDocument->render()); |
416
|
1 |
|
} |
417
|
|
|
|
418
|
|
|
/** |
419
|
|
|
* Get Configuration object used |
420
|
|
|
* @return Configuration |
421
|
|
|
*/ |
422
|
31 |
|
public function getConfiguration() |
423
|
|
|
{ |
424
|
31 |
|
return $this->config; |
425
|
|
|
} |
426
|
|
|
|
427
|
|
|
/** |
428
|
|
|
* Get the entity manager registry |
429
|
|
|
* @return EntityManagerRegistry |
430
|
|
|
*/ |
431
|
25 |
|
public function getEntityManagerRegistry() |
432
|
|
|
{ |
433
|
25 |
|
return $this->emr; |
434
|
|
|
} |
435
|
|
|
|
436
|
|
|
/** |
437
|
|
|
* Get the service action registry |
438
|
|
|
* @return ServiceActionRegistry |
439
|
|
|
*/ |
440
|
|
|
public function getServiceActionRegistry() |
441
|
|
|
{ |
442
|
|
|
return $this->service->getServiceActionRegistry(); |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* Get the error handler object, if none has been injected use default from config |
447
|
|
|
* @return AbstractHandler $error_handler |
448
|
|
|
*/ |
449
|
26 |
|
public function getErrorHandler() |
450
|
|
|
{ |
451
|
26 |
|
if (!$this->error_handler instanceof AbstractHandler) { |
452
|
|
|
// Force creation of an instance of the default error handler |
453
|
26 |
|
$className = $this->config->getDefaultErrorHandlerClass(); |
454
|
26 |
|
$this->error_handler = new $className(); |
455
|
26 |
|
} |
456
|
|
|
|
457
|
26 |
|
return $this->error_handler; |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
/** |
461
|
|
|
* Set the error handler to use |
462
|
|
|
* @param AbstractHandler $error_handler |
463
|
|
|
*/ |
464
|
|
|
public function setErrorHandler(AbstractHandler $error_handler) |
465
|
|
|
{ |
466
|
|
|
$this->error_handler = $error_handler; |
467
|
|
|
} |
468
|
|
|
|
469
|
|
|
/** |
470
|
|
|
* Get metadata for an entity class |
471
|
|
|
* @param string $className |
472
|
|
|
* @return Mapping\ClassMetaData |
473
|
|
|
*/ |
474
|
4 |
|
public function getClassMetadata($className) |
475
|
|
|
{ |
476
|
4 |
|
return $this->metadataManager->getMetadataForClass($className); |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
/** |
480
|
|
|
* Iterates through mapping definitions, any exceptions thrown will bubble up. |
481
|
|
|
*/ |
482
|
|
|
public function checkDefinitions() |
483
|
|
|
{ |
484
|
|
|
foreach ($this->metadataManager->getAllClassNames() as $class) { |
485
|
|
|
$this->getClassMetadata($class); |
486
|
|
|
} |
487
|
|
|
} |
488
|
|
|
} |
489
|
|
|
|