-
Notifications
You must be signed in to change notification settings - Fork 3.4k
/
Response.php
2822 lines (2573 loc) · 88.2 KB
/
Response.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 2.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Http;
use Cake\Core\Configure;
use Cake\Filesystem\File;
use Cake\Filesystem\Folder;
use Cake\Http\Cookie\Cookie;
use Cake\Http\Cookie\CookieCollection;
use Cake\Http\Cookie\CookieInterface;
use Cake\Http\CorsBuilder;
use Cake\Http\Exception\NotFoundException;
use Cake\Log\Log;
use DateTime;
use DateTimeZone;
use InvalidArgumentException;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use Zend\Diactoros\MessageTrait;
use Zend\Diactoros\Stream;
/**
* Responses contain the response text, status and headers of a HTTP response.
*/
class Response implements ResponseInterface
{
use MessageTrait;
/**
* Holds HTTP response statuses
*
* @var array
*/
protected $_statusCodes = [
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-status',
208 => 'Already Reported',
226 => 'IM used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
306 => '(Unused)',
307 => 'Temporary Redirect',
308 => 'Permanent Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Large',
415 => 'Unsupported Media Type',
416 => 'Requested range not satisfiable',
417 => 'Expectation Failed',
418 => 'I\'m a teapot',
421 => 'Misdirected Request',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
425 => 'Unordered Collection',
426 => 'Upgrade Required',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
444 => 'Connection Closed Without Response',
451 => 'Unavailable For Legal Reasons',
499 => 'Client Closed Request',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'Unsupported Version',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage',
508 => 'Loop Detected',
510 => 'Not Extended',
511 => 'Network Authentication Required',
599 => 'Network Connect Timeout Error',
];
/**
* Holds type key to mime type mappings for known mime types.
*
* @var array
*/
protected $_mimeTypes = [
'html' => ['text/html', '*/*'],
'json' => 'application/json',
'xml' => ['application/xml', 'text/xml'],
'xhtml' => ['application/xhtml+xml', 'application/xhtml', 'text/xhtml'],
'webp' => 'image/webp',
'rss' => 'application/rss+xml',
'ai' => 'application/postscript',
'bcpio' => 'application/x-bcpio',
'bin' => 'application/octet-stream',
'ccad' => 'application/clariscad',
'cdf' => 'application/x-netcdf',
'class' => 'application/octet-stream',
'cpio' => 'application/x-cpio',
'cpt' => 'application/mac-compactpro',
'csh' => 'application/x-csh',
'csv' => ['text/csv', 'application/vnd.ms-excel'],
'dcr' => 'application/x-director',
'dir' => 'application/x-director',
'dms' => 'application/octet-stream',
'doc' => 'application/msword',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'drw' => 'application/drafting',
'dvi' => 'application/x-dvi',
'dwg' => 'application/acad',
'dxf' => 'application/dxf',
'dxr' => 'application/x-director',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'exe' => 'application/octet-stream',
'ez' => 'application/andrew-inset',
'flv' => 'video/x-flv',
'gtar' => 'application/x-gtar',
'gz' => 'application/x-gzip',
'bz2' => 'application/x-bzip',
'7z' => 'application/x-7z-compressed',
'hdf' => 'application/x-hdf',
'hqx' => 'application/mac-binhex40',
'ico' => 'image/x-icon',
'ips' => 'application/x-ipscript',
'ipx' => 'application/x-ipix',
'js' => 'application/javascript',
'jsonapi' => 'application/vnd.api+json',
'latex' => 'application/x-latex',
'lha' => 'application/octet-stream',
'lsp' => 'application/x-lisp',
'lzh' => 'application/octet-stream',
'man' => 'application/x-troff-man',
'me' => 'application/x-troff-me',
'mif' => 'application/vnd.mif',
'ms' => 'application/x-troff-ms',
'nc' => 'application/x-netcdf',
'oda' => 'application/oda',
'otf' => 'font/otf',
'pdf' => 'application/pdf',
'pgn' => 'application/x-chess-pgn',
'pot' => 'application/vnd.ms-powerpoint',
'pps' => 'application/vnd.ms-powerpoint',
'ppt' => 'application/vnd.ms-powerpoint',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'ppz' => 'application/vnd.ms-powerpoint',
'pre' => 'application/x-freelance',
'prt' => 'application/pro_eng',
'ps' => 'application/postscript',
'roff' => 'application/x-troff',
'scm' => 'application/x-lotusscreencam',
'set' => 'application/set',
'sh' => 'application/x-sh',
'shar' => 'application/x-shar',
'sit' => 'application/x-stuffit',
'skd' => 'application/x-koan',
'skm' => 'application/x-koan',
'skp' => 'application/x-koan',
'skt' => 'application/x-koan',
'smi' => 'application/smil',
'smil' => 'application/smil',
'sol' => 'application/solids',
'spl' => 'application/x-futuresplash',
'src' => 'application/x-wais-source',
'step' => 'application/STEP',
'stl' => 'application/SLA',
'stp' => 'application/STEP',
'sv4cpio' => 'application/x-sv4cpio',
'sv4crc' => 'application/x-sv4crc',
'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml',
'swf' => 'application/x-shockwave-flash',
't' => 'application/x-troff',
'tar' => 'application/x-tar',
'tcl' => 'application/x-tcl',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
'tr' => 'application/x-troff',
'tsp' => 'application/dsptype',
'ttc' => 'font/ttf',
'ttf' => 'font/ttf',
'unv' => 'application/i-deas',
'ustar' => 'application/x-ustar',
'vcd' => 'application/x-cdlink',
'vda' => 'application/vda',
'xlc' => 'application/vnd.ms-excel',
'xll' => 'application/vnd.ms-excel',
'xlm' => 'application/vnd.ms-excel',
'xls' => 'application/vnd.ms-excel',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlw' => 'application/vnd.ms-excel',
'zip' => 'application/zip',
'aif' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'au' => 'audio/basic',
'kar' => 'audio/midi',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mp2' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'mpga' => 'audio/mpeg',
'ogg' => 'audio/ogg',
'oga' => 'audio/ogg',
'spx' => 'audio/ogg',
'ra' => 'audio/x-realaudio',
'ram' => 'audio/x-pn-realaudio',
'rm' => 'audio/x-pn-realaudio',
'rpm' => 'audio/x-pn-realaudio-plugin',
'snd' => 'audio/basic',
'tsi' => 'audio/TSP-audio',
'wav' => 'audio/x-wav',
'aac' => 'audio/aac',
'asc' => 'text/plain',
'c' => 'text/plain',
'cc' => 'text/plain',
'css' => 'text/css',
'etx' => 'text/x-setext',
'f' => 'text/plain',
'f90' => 'text/plain',
'h' => 'text/plain',
'hh' => 'text/plain',
'htm' => ['text/html', '*/*'],
'ics' => 'text/calendar',
'm' => 'text/plain',
'rtf' => 'text/rtf',
'rtx' => 'text/richtext',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'tsv' => 'text/tab-separated-values',
'tpl' => 'text/template',
'txt' => 'text/plain',
'text' => 'text/plain',
'avi' => 'video/x-msvideo',
'fli' => 'video/x-fli',
'mov' => 'video/quicktime',
'movie' => 'video/x-sgi-movie',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'qt' => 'video/quicktime',
'viv' => 'video/vnd.vivo',
'vivo' => 'video/vnd.vivo',
'ogv' => 'video/ogg',
'webm' => 'video/webm',
'mp4' => 'video/mp4',
'm4v' => 'video/mp4',
'f4v' => 'video/mp4',
'f4p' => 'video/mp4',
'm4a' => 'audio/mp4',
'f4a' => 'audio/mp4',
'f4b' => 'audio/mp4',
'gif' => 'image/gif',
'ief' => 'image/ief',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'pbm' => 'image/x-portable-bitmap',
'pgm' => 'image/x-portable-graymap',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'ppm' => 'image/x-portable-pixmap',
'ras' => 'image/cmu-raster',
'rgb' => 'image/x-rgb',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'xbm' => 'image/x-xbitmap',
'xpm' => 'image/x-xpixmap',
'xwd' => 'image/x-xwindowdump',
'psd' => ['application/photoshop', 'application/psd', 'image/psd', 'image/x-photoshop', 'image/photoshop', 'zz-application/zz-winassoc-psd'],
'ice' => 'x-conference/x-cooltalk',
'iges' => 'model/iges',
'igs' => 'model/iges',
'mesh' => 'model/mesh',
'msh' => 'model/mesh',
'silo' => 'model/mesh',
'vrml' => 'model/vrml',
'wrl' => 'model/vrml',
'mime' => 'www/mime',
'pdb' => 'chemical/x-pdb',
'xyz' => 'chemical/x-pdb',
'javascript' => 'application/javascript',
'form' => 'application/x-www-form-urlencoded',
'file' => 'multipart/form-data',
'xhtml-mobile' => 'application/vnd.wap.xhtml+xml',
'atom' => 'application/atom+xml',
'amf' => 'application/x-amf',
'wap' => ['text/vnd.wap.wml', 'text/vnd.wap.wmlscript', 'image/vnd.wap.wbmp'],
'wml' => 'text/vnd.wap.wml',
'wmlscript' => 'text/vnd.wap.wmlscript',
'wbmp' => 'image/vnd.wap.wbmp',
'woff' => 'application/x-font-woff',
'appcache' => 'text/cache-manifest',
'manifest' => 'text/cache-manifest',
'htc' => 'text/x-component',
'rdf' => 'application/xml',
'crx' => 'application/x-chrome-extension',
'oex' => 'application/x-opera-extension',
'xpi' => 'application/x-xpinstall',
'safariextz' => 'application/octet-stream',
'webapp' => 'application/x-web-app-manifest+json',
'vcf' => 'text/x-vcard',
'vtt' => 'text/vtt',
'mkv' => 'video/x-matroska',
'pkpass' => 'application/vnd.apple.pkpass',
'ajax' => 'text/html',
'bmp' => 'image/bmp'
];
/**
* Protocol header to send to the client
*
* @var string
*/
protected $_protocol = 'HTTP/1.1';
/**
* Status code to send to the client
*
* @var int
*/
protected $_status = 200;
/**
* Content type to send. This can be an 'extension' that will be transformed using the $_mimetypes array
* or a complete mime-type
*
* @var string
*/
protected $_contentType = 'text/html';
/**
* File object for file to be read out as response
*
* @var \Cake\Filesystem\File|null
*/
protected $_file;
/**
* File range. Used for requesting ranges of files.
*
* @var array
*/
protected $_fileRange = [];
/**
* The charset the response body is encoded with
*
* @var string
*/
protected $_charset = 'UTF-8';
/**
* Holds all the cache directives that will be converted
* into headers when sending the request
*
* @var array
*/
protected $_cacheDirectives = [];
/**
* Collection of cookies to send to the client
*
* @var \Cake\Http\Cookie\CookieCollection
*/
protected $_cookies = null;
/**
* Reason Phrase
*
* @var string
*/
protected $_reasonPhrase = 'OK';
/**
* Stream mode options.
*
* @var string
*/
protected $_streamMode = 'wb+';
/**
* Stream target or resource object.
*
* @var string|resource
*/
protected $_streamTarget = 'php://memory';
/**
* Constructor
*
* @param array $options list of parameters to setup the response. Possible values are:
* - body: the response text that should be sent to the client
* - statusCodes: additional allowable response codes
* - status: the HTTP status code to respond with
* - type: a complete mime-type string or an extension mapped in this class
* - charset: the charset for the response body
*/
public function __construct(array $options = [])
{
if (isset($options['streamTarget'])) {
$this->_streamTarget = $options['streamTarget'];
}
if (isset($options['streamMode'])) {
$this->_streamMode = $options['streamMode'];
}
if (isset($options['stream'])) {
if (!$options['stream'] instanceof StreamInterface) {
throw new InvalidArgumentException('Stream option must be an object that implements StreamInterface');
}
$this->stream = $options['stream'];
} else {
$this->_createStream();
}
if (isset($options['body'])) {
$this->stream->write($options['body']);
}
if (isset($options['statusCodes'])) {
$this->httpCodes($options['statusCodes']);
}
if (isset($options['status'])) {
$this->_setStatus($options['status']);
}
if (!isset($options['charset'])) {
$options['charset'] = Configure::read('App.encoding');
}
$this->_charset = $options['charset'];
if (isset($options['type'])) {
$this->_contentType = $this->resolveType($options['type']);
}
$this->_setContentType();
$this->_cookies = new CookieCollection();
}
/**
* Creates the stream object.
*
* @return void
*/
protected function _createStream()
{
$this->stream = new Stream($this->_streamTarget, $this->_streamMode);
}
/**
* Sends the complete response to the client including headers and message body.
* Will echo out the content in the response body.
*
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
public function send()
{
deprecationWarning('Response::send() will be removed in 4.0.0');
if ($this->hasHeader('Location') && $this->_status === 200) {
$this->statusCode(302);
}
$this->_setContent();
$this->sendHeaders();
if ($this->_file) {
$this->_sendFile($this->_file, $this->_fileRange);
$this->_file = null;
$this->_fileRange = [];
} else {
$this->_sendContent($this->body());
}
if (function_exists('fastcgi_finish_request')) {
fastcgi_finish_request();
}
}
/**
* Sends the HTTP headers and cookies.
*
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
public function sendHeaders()
{
deprecationWarning(
'Will be removed in 4.0.0'
);
$file = $line = null;
if (headers_sent($file, $line)) {
Log::warning("Headers already sent in {$file}:{$line}");
return;
}
$codeMessage = $this->_statusCodes[$this->_status];
$this->_setCookies();
$this->_sendHeader("{$this->_protocol} {$this->_status} {$codeMessage}");
$this->_setContentType();
foreach ($this->headers as $header => $values) {
foreach ((array)$values as $value) {
$this->_sendHeader($header, $value);
}
}
}
/**
* Sets the cookies that have been added via Cake\Http\Response::cookie() before any
* other output is sent to the client. Will set the cookies in the order they
* have been set.
*
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
protected function _setCookies()
{
deprecationWarning(
'Will be removed in 4.0.0'
);
foreach ($this->_cookies as $cookie) {
setcookie(
$cookie->getName(),
$cookie->getValue(),
$cookie->getExpiresTimestamp(),
$cookie->getPath(),
$cookie->getDomain(),
$cookie->isSecure(),
$cookie->isHttpOnly()
);
}
}
/**
* Formats the Content-Type header based on the configured contentType and charset
* the charset will only be set in the header if the response is of type text/*
*
* @return void
*/
protected function _setContentType()
{
if (in_array($this->_status, [304, 204])) {
$this->_clearHeader('Content-Type');
return;
}
$whitelist = [
'application/javascript', 'application/json', 'application/xml', 'application/rss+xml'
];
$charset = false;
if ($this->_charset &&
(strpos($this->_contentType, 'text/') === 0 || in_array($this->_contentType, $whitelist))
) {
$charset = true;
}
if ($charset) {
$this->_setHeader('Content-Type', "{$this->_contentType}; charset={$this->_charset}");
} else {
$this->_setHeader('Content-Type', (string)$this->_contentType);
}
}
/**
* Sets the response body to an empty text if the status code is 204 or 304
*
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
protected function _setContent()
{
deprecationWarning(
'Will be removed in 4.0.0'
);
if (in_array($this->_status, [304, 204])) {
$this->body('');
}
}
/**
* Sends a header to the client.
*
* @param string $name the header name
* @param string|null $value the header value
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
protected function _sendHeader($name, $value = null)
{
deprecationWarning(
'Will be removed in 4.0.0'
);
if ($value === null) {
header($name);
} else {
header("{$name}: {$value}");
}
}
/**
* Sends a content string to the client.
*
* If the content is a callable, it is invoked. The callable should either
* return a string or output content directly and have no return value.
*
* @param string|callable $content String to send as response body or callable
* which returns/outputs content.
* @return void
* @deprecated 3.4.0 Will be removed in 4.0.0
*/
protected function _sendContent($content)
{
deprecationWarning(
'Will be removed in 4.0.0'
);
if (!is_string($content) && is_callable($content)) {
$content = $content();
}
echo $content;
}
/**
* Buffers a header string to be sent
* Returns the complete list of buffered headers
*
* ### Single header
* ```
* header('Location', 'http://example.com');
* ```
*
* ### Multiple headers
* ```
* header(['Location' => 'http://example.com', 'X-Extra' => 'My header']);
* ```
*
* ### String header
* ```
* header('WWW-Authenticate: Negotiate');
* ```
*
* ### Array of string headers
* ```
* header(['WWW-Authenticate: Negotiate', 'Content-type: application/pdf']);
* ```
*
* Multiple calls for setting the same header name will have the same effect as setting the header once
* with the last value sent for it
* ```
* header('WWW-Authenticate: Negotiate');
* header('WWW-Authenticate: Not-Negotiate');
* ```
* will have the same effect as only doing
* ```
* header('WWW-Authenticate: Not-Negotiate');
* ```
*
* @param string|array|null $header An array of header strings or a single header string
* - an associative array of "header name" => "header value" is also accepted
* - an array of string headers is also accepted
* @param string|array|null $value The header value(s)
* @return array List of headers to be sent
* @deprecated 3.4.0 Use `withHeader()`, `getHeaderLine()` and `getHeaders()` instead.
*/
public function header($header = null, $value = null)
{
deprecationWarning(
'Response::header() is deprecated. ' .
'Use `withHeader()`, `getHeaderLine()` and `getHeaders()` instead.'
);
if ($header === null) {
return $this->getSimpleHeaders();
}
$headers = is_array($header) ? $header : [$header => $value];
foreach ($headers as $header => $value) {
if (is_numeric($header)) {
list($header, $value) = [$value, null];
}
if ($value === null) {
list($header, $value) = explode(':', $header, 2);
}
$lower = strtolower($header);
if (array_key_exists($lower, $this->headerNames)) {
$header = $this->headerNames[$lower];
} else {
$this->headerNames[$lower] = $header;
}
$this->headers[$header] = is_array($value) ? array_map('trim', $value) : [trim($value)];
}
return $this->getSimpleHeaders();
}
/**
* Backwards compatibility helper for getting flattened headers.
*
* Previously CakePHP would store headers as a simple dictionary, now that
* we're supporting PSR7, the internal storage has each header as an array.
*
* @return array
*/
protected function getSimpleHeaders()
{
$out = [];
foreach ($this->headers as $key => $values) {
$header = $this->headerNames[strtolower($key)];
if (count($values) === 1) {
$values = $values[0];
}
$out[$header] = $values;
}
return $out;
}
/**
* Accessor for the location header.
*
* Get/Set the Location header value.
*
* @param null|string $url Either null to get the current location, or a string to set one.
* @return string|null When setting the location null will be returned. When reading the location
* a string of the current location header value (if any) will be returned.
* @deprecated 3.4.0 Mutable responses are deprecated. Use `withLocation()` and `getHeaderLine()`
* instead.
*/
public function location($url = null)
{
deprecationWarning(
'Response::location() is deprecated. ' .
'Mutable responses are deprecated. Use `withLocation()` and `getHeaderLine()` instead.'
);
if ($url === null) {
$result = $this->getHeaderLine('Location');
if (!$result) {
return null;
}
return $result;
}
if ($this->_status === 200) {
$this->_status = 302;
}
$this->_setHeader('Location', $url);
return null;
}
/**
* Return an instance with an updated location header.
*
* If the current status code is 200, it will be replaced
* with 302.
*
* @param string $url The location to redirect to.
* @return static A new response with the Location header set.
*/
public function withLocation($url)
{
$new = $this->withHeader('Location', $url);
if ($new->_status === 200) {
$new->_status = 302;
}
return $new;
}
/**
* Sets a header.
*
* @param string $header Header key.
* @param string $value Header value.
* @return void
*/
protected function _setHeader($header, $value)
{
$normalized = strtolower($header);
$this->headerNames[$normalized] = $header;
$this->headers[$header] = [$value];
}
/**
* Clear header
*
* @param string $header Header key.
* @return void
*/
protected function _clearHeader($header)
{
$normalized = strtolower($header);
if (!isset($this->headerNames[$normalized])) {
return;
}
$original = $this->headerNames[$normalized];
unset($this->headerNames[$normalized], $this->headers[$original]);
}
/**
* Buffers the response message to be sent
* if $content is null the current buffer is returned
*
* @param string|callable|null $content the string or callable message to be sent
* @return string|null Current message buffer if $content param is passed as null
* @deprecated 3.4.0 Mutable response methods are deprecated. Use `withBody()`/`withStringBody()` and `getBody()` instead.
*/
public function body($content = null)
{
deprecationWarning(
'Response::body() is deprecated. ' .
'Mutable response methods are deprecated. Use `withBody()` and `getBody()` instead.'
);
if ($content === null) {
if ($this->stream->isSeekable()) {
$this->stream->rewind();
}
$result = $this->stream->getContents();
if (strlen($result) === 0) {
return null;
}
return $result;
}
// Compatibility with closure/streaming responses
if (!is_string($content) && is_callable($content)) {
$this->stream = new CallbackStream($content);
} else {
$this->_createStream();
$this->stream->write($content);
}
return $content;
}
/**
* Handles the callable body for backward compatibility reasons.
*
* @param callable $content Callable content.
* @return string
*/
protected function _handleCallableBody(callable $content)
{
ob_start();
$result1 = $content();
$result2 = ob_get_contents();
ob_get_clean();
if ($result1) {
return $result1;
}
return $result2;
}
/**
* Sets the HTTP status code to be sent
* if $code is null the current code is returned
*
* If the status code is 304 or 204, the existing Content-Type header
* will be cleared, as these response codes have no body.
*
* @param int|null $code the HTTP status code
* @return int Current status code
* @throws \InvalidArgumentException When an unknown status code is reached.
* @deprecated 3.4.0 Use `getStatusCode()` and `withStatus()` instead.
*/
public function statusCode($code = null)
{
deprecationWarning(
'Response::statusCode() is deprecated. ' .
'Use `getStatusCode()` and `withStatus()` instead.'
);
if ($code === null) {
return $this->_status;
}
if (!isset($this->_statusCodes[$code])) {
throw new InvalidArgumentException('Unknown status code');
}
$this->_setStatus($code);
return $code;
}
/**
* Gets the response status code.
*
* The status code is a 3-digit integer result code of the server's attempt
* to understand and satisfy the request.
*
* @return int Status code.
*/
public function getStatusCode()
{
return $this->_status;
}
/**
* Return an instance with the specified status code and, optionally, reason phrase.
*
* If no reason phrase is specified, implementations MAY choose to default
* to the RFC 7231 or IANA recommended reason phrase for the response's
* status code.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* updated status and reason phrase.
*
* If the status code is 304 or 204, the existing Content-Type header
* will be cleared, as these response codes have no body.
*
* @link https://tools.ietf.org/html/rfc7231#section-6
* @link https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
* @param int $code The 3-digit integer result code to set.
* @param string $reasonPhrase The reason phrase to use with the
* provided status code; if none is provided, implementations MAY
* use the defaults as suggested in the HTTP specification.
* @return static
* @throws \InvalidArgumentException For invalid status code arguments.
*/
public function withStatus($code, $reasonPhrase = '')
{
$new = clone $this;
$new->_setStatus($code, $reasonPhrase);
return $new;
}
/**
* Modifier for response status
*
* @param int $code The code to set.
* @param string $reasonPhrase The response reason phrase.
* @return void
* @throws \InvalidArgumentException For invalid status code arguments.
*/
protected function _setStatus($code, $reasonPhrase = '')
{
if (!isset($this->_statusCodes[$code])) {
throw new InvalidArgumentException(sprintf(
'Invalid status code: %s. Use a valid HTTP status code in range 1xx - 5xx.',
$code
));
}
$this->_status = $code;
if (empty($reasonPhrase)) {
$reasonPhrase = $this->_statusCodes[$code];
}
$this->_reasonPhrase = $reasonPhrase;
$this->_setContentType();
}
/**
* Gets the response reason phrase associated with the status code.