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| 1 | <?php | 
| 2 | /** | 
| 3 | * Pop PHP Framework (https://www.popphp.org/) | 
| 4 | * | 
| 5 | * @link https://github.com/popphp/popphp-framework | 
| 6 | * @author Nick Sagona, III <dev@noladev.com> | 
| 7 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. | 
| 8 | * @license https://www.popphp.org/license New BSD License | 
| 9 | */ | 
| 10 | |
| 11 | /** | 
| 12 | * @namespace | 
| 13 | */ | 
| 14 | namespace Pop\Http; | 
| 15 | |
| 16 | use Pop\Mime\Part\Header; | 
| 17 | use Pop\Mime\Part\Body; | 
| 18 | |
| 19 | /** | 
| 20 | * Abstract HTTP response class | 
| 21 | * | 
| 22 | * @category Pop | 
| 23 | * @package Pop\Http | 
| 24 | * @author Nick Sagona, III <dev@noladev.com> | 
| 25 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. | 
| 26 | * @license https://www.popphp.org/license New BSD License | 
| 27 | * @version 5.3.8 | 
| 28 | */ | 
| 29 | abstract class AbstractResponse extends AbstractRequestResponse | 
| 30 | { | 
| 31 | |
| 32 | /** | 
| 33 | * Response codes & messages | 
| 34 | * @var array | 
| 35 | */ | 
| 36 | protected static array $responseCodes = [ | 
| 37 | // Informational 1xx | 
| 38 | 100 => 'Continue', | 
| 39 | 101 => 'Switching Protocols', | 
| 40 | 102 => 'Processing', | 
| 41 | |
| 42 | // Success 2xx | 
| 43 | 200 => 'OK', | 
| 44 | 201 => 'Created', | 
| 45 | 202 => 'Accepted', | 
| 46 | 203 => 'Non-Authoritative Information', | 
| 47 | 204 => 'No Content', | 
| 48 | 205 => 'Reset Content', | 
| 49 | 206 => 'Partial Content', | 
| 50 | 207 => 'Multi-Status', | 
| 51 | 208 => 'Already Reported', | 
| 52 | 226 => 'IM Used', | 
| 53 | |
| 54 | // Redirection 3xx | 
| 55 | 300 => 'Multiple Choices', | 
| 56 | 301 => 'Moved Permanently', | 
| 57 | 302 => 'Found', | 
| 58 | 303 => 'See Other', | 
| 59 | 304 => 'Not Modified', | 
| 60 | 305 => 'Use Proxy', | 
| 61 | 306 => 'Switch Proxy', | 
| 62 | 307 => 'Temporary Redirect', | 
| 63 | 308 => 'Permanent Redirect', | 
| 64 | |
| 65 | // Client Error 4xx | 
| 66 | 400 => 'Bad Request', | 
| 67 | 401 => 'Unauthorized', | 
| 68 | 402 => 'Payment Required', | 
| 69 | 403 => 'Forbidden', | 
| 70 | 404 => 'Not Found', | 
| 71 | 405 => 'Method Not Allowed', | 
| 72 | 406 => 'Not Acceptable', | 
| 73 | 407 => 'Proxy Authentication Required', | 
| 74 | 408 => 'Request Timeout', | 
| 75 | 409 => 'Conflict', | 
| 76 | 410 => 'Gone', | 
| 77 | 411 => 'Length Required', | 
| 78 | 412 => 'Precondition Failed', | 
| 79 | 413 => 'Payload Too Large', | 
| 80 | 414 => 'URI Too Long', | 
| 81 | 415 => 'Unsupported Media Type', | 
| 82 | 416 => 'Range Not Satisfiable', | 
| 83 | 417 => 'Expectation Failed', | 
| 84 | 421 => 'Misdirected Request', | 
| 85 | 422 => 'Unprocessable Entity', | 
| 86 | 423 => 'Locked', | 
| 87 | 424 => 'Failed Dependency', | 
| 88 | 426 => 'Upgrade Required', | 
| 89 | 428 => 'Precondition Required', | 
| 90 | 429 => 'Too Many Requests', | 
| 91 | 431 => 'Request Header Fields Too Large', | 
| 92 | 451 => 'Unavailable For Legal Reasons', | 
| 93 | |
| 94 | // Server Error 5xx | 
| 95 | 500 => 'Internal Server Error', | 
| 96 | 501 => 'Not Implemented', | 
| 97 | 502 => 'Bad Gateway', | 
| 98 | 503 => 'Service Unavailable', | 
| 99 | 504 => 'Gateway Timeout', | 
| 100 | 505 => 'HTTP Version Not Supported', | 
| 101 | 506 => 'Variant Also Negotiates', | 
| 102 | 507 => 'Insufficient Storage', | 
| 103 | 508 => 'Loop Detected', | 
| 104 | 509 => 'Bandwidth Limit Exceeded', | 
| 105 | 510 => 'Not Extended', | 
| 106 | 511 => 'Network Authentication Required' | 
| 107 | ]; | 
| 108 | |
| 109 | /** | 
| 110 | * HTTP version for response, i.e. 1.0, 1.1, 2.0, etc. | 
| 111 | * @var string | 
| 112 | */ | 
| 113 | protected string $version = '1.1'; | 
| 114 | |
| 115 | /** | 
| 116 | * Response code | 
| 117 | * @var ?int | 
| 118 | */ | 
| 119 | protected ?int $code = null; | 
| 120 | |
| 121 | /** | 
| 122 | * Response message | 
| 123 | * @var ?string | 
| 124 | */ | 
| 125 | protected ?string $message = null; | 
| 126 | |
| 127 | /** | 
| 128 | * Constructor | 
| 129 | * | 
| 130 | * Instantiate the response object | 
| 131 | * | 
| 132 | * @param array $config | 
| 133 | */ | 
| 134 | public function __construct(array $config = []) | 
| 135 | { | 
| 136 | // Check for config values and set defaults | 
| 137 | if (!isset($config['version'])) { | 
| 138 | $config['version'] = '1.1'; | 
| 139 | } | 
| 140 | if (!isset($config['code'])) { | 
| 141 | $config['code'] = 200; | 
| 142 | } | 
| 143 | |
| 144 | $this->setVersion($config['version']) | 
| 145 | ->setCode($config['code']); | 
| 146 | |
| 147 | if (!isset($config['message'])) { | 
| 148 | $config['message'] = self::$responseCodes[$config['code']]; | 
| 149 | } | 
| 150 | if (!isset($config['headers']) || (!is_array($config['headers']))) { | 
| 151 | $config['headers'] = ['Content-Type' => 'text/html']; | 
| 152 | } | 
| 153 | if (isset($config['body'])) { | 
| 154 | $this->setBody($config['body']); | 
| 155 | } | 
| 156 | |
| 157 | $this->setMessage($config['message']) | 
| 158 | ->addHeaders($config['headers']); | 
| 159 | } | 
| 160 | |
| 161 | /** | 
| 162 | * Factory method to create a Response object | 
| 163 | * | 
| 164 | * @param array $config | 
| 165 | * @return static | 
| 166 | */ | 
| 167 | public static function create(array $config = []): static | 
| 168 | { | 
| 169 | return new static($config); | 
| 170 | } | 
| 171 | |
| 172 | /** | 
| 173 | * Set the response version | 
| 174 | * | 
| 175 | * @param float|string $version | 
| 176 | * @return AbstractResponse | 
| 177 | */ | 
| 178 | public function setVersion(float|string $version): AbstractResponse | 
| 179 | { | 
| 180 | $this->version = (string)$version; | 
| 181 | return $this; | 
| 182 | } | 
| 183 | |
| 184 | /** | 
| 185 | * Get the response HTTP version | 
| 186 | * | 
| 187 | * @return string | 
| 188 | */ | 
| 189 | public function getVersion(): string | 
| 190 | { | 
| 191 | return $this->version; | 
| 192 | } | 
| 193 | |
| 194 | /** | 
| 195 | * Has the response HTTP version | 
| 196 | * | 
| 197 | * @return bool | 
| 198 | */ | 
| 199 | public function hasVersion(): bool | 
| 200 | { | 
| 201 | return ($this->version !== null); | 
| 202 | } | 
| 203 | |
| 204 | /** | 
| 205 | * Set the response code | 
| 206 | * | 
| 207 | * @param int $code | 
| 208 | * @throws Exception | 
| 209 | * @return AbstractResponse | 
| 210 | */ | 
| 211 | public function setCode(int $code = 200): AbstractResponse | 
| 212 | { | 
| 213 | if (!array_key_exists($code, self::$responseCodes)) { | 
| 214 | throw new Exception("Error: The header code '" . $code . "' is not allowed."); | 
| 215 | } | 
| 216 | |
| 217 | $this->code = $code; | 
| 218 | $this->message = self::$responseCodes[$code]; | 
| 219 | |
| 220 | return $this; | 
| 221 | } | 
| 222 | |
| 223 | /** | 
| 224 | * Get the response code | 
| 225 | * | 
| 226 | * @return int | 
| 227 | */ | 
| 228 | public function getCode(): int | 
| 229 | { | 
| 230 | return $this->code; | 
| 231 | } | 
| 232 | |
| 233 | /** | 
| 234 | * Has the response code | 
| 235 | * | 
| 236 | * @return bool | 
| 237 | */ | 
| 238 | public function hasCode(): bool | 
| 239 | { | 
| 240 | return ($this->code !== null); | 
| 241 | } | 
| 242 | |
| 243 | /** | 
| 244 | * Set the response message | 
| 245 | * | 
| 246 | * @param ?string $message | 
| 247 | * @return AbstractResponse | 
| 248 | */ | 
| 249 | public function setMessage(?string $message = null): AbstractResponse | 
| 250 | { | 
| 251 | $this->message = $message; | 
| 252 | return $this; | 
| 253 | } | 
| 254 | |
| 255 | /** | 
| 256 | * Get the response HTTP message | 
| 257 | * | 
| 258 | * @return string | 
| 259 | */ | 
| 260 | public function getMessage(): string | 
| 261 | { | 
| 262 | return $this->message; | 
| 263 | } | 
| 264 | |
| 265 | /** | 
| 266 | * Has the response message | 
| 267 | * | 
| 268 | * @return bool | 
| 269 | */ | 
| 270 | public function hasMessage(): bool | 
| 271 | { | 
| 272 | return ($this->message !== null); | 
| 273 | } | 
| 274 | |
| 275 | /** | 
| 276 | * Determine if the response is a success | 
| 277 | * | 
| 278 | * @return bool | 
| 279 | */ | 
| 280 | public function isSuccess(): bool | 
| 281 | { | 
| 282 | $type = floor($this->code / 100); | 
| 283 | return (($type == 1) || ($type == 2) || ($type == 3)); | 
| 284 | } | 
| 285 | |
| 286 | /** | 
| 287 | * Determine if the response is a 100 continue | 
| 288 | * | 
| 289 | * @return bool | 
| 290 | */ | 
| 291 | public function isContinue(): bool | 
| 292 | { | 
| 293 | $type = floor($this->code / 100); | 
| 294 | return ($type == 1); | 
| 295 | } | 
| 296 | |
| 297 | /** | 
| 298 | * Determine if the response is 200 OK | 
| 299 | * | 
| 300 | * @return bool | 
| 301 | */ | 
| 302 | public function isOk(): bool | 
| 303 | { | 
| 304 | return ($this->code == 200); | 
| 305 | } | 
| 306 | |
| 307 | /** | 
| 308 | * Determine if the response is 201 created | 
| 309 | * | 
| 310 | * @return bool | 
| 311 | */ | 
| 312 | public function isCreated(): bool | 
| 313 | { | 
| 314 | return ($this->code == 201); | 
| 315 | } | 
| 316 | |
| 317 | /** | 
| 318 | * Determine if the response is 202 accepted | 
| 319 | * | 
| 320 | * @return bool | 
| 321 | */ | 
| 322 | public function isAccepted(): bool | 
| 323 | { | 
| 324 | return ($this->code == 202); | 
| 325 | } | 
| 326 | |
| 327 | /** | 
| 328 | * Determine if the response is 204 No Content | 
| 329 | * | 
| 330 | * @return bool | 
| 331 | */ | 
| 332 | public function isNoContent(): bool | 
| 333 | { | 
| 334 | return ($this->code == 204); | 
| 335 | } | 
| 336 | |
| 337 | /** | 
| 338 | * Determine if the response is a redirect | 
| 339 | * | 
| 340 | * @return bool | 
| 341 | */ | 
| 342 | public function isRedirect(): bool | 
| 343 | { | 
| 344 | $type = floor($this->code / 100); | 
| 345 | return ($type == 3); | 
| 346 | } | 
| 347 | |
| 348 | /** | 
| 349 | * Determine if the response is a 301 Moved Permanently | 
| 350 | * | 
| 351 | * @return bool | 
| 352 | */ | 
| 353 | public function isMovedPermanently(): bool | 
| 354 | { | 
| 355 | return ($this->code == 301); | 
| 356 | } | 
| 357 | |
| 358 | /** | 
| 359 | * Determine if the response is a 302 Found | 
| 360 | * | 
| 361 | * @return bool | 
| 362 | */ | 
| 363 | public function isFound(): bool | 
| 364 | { | 
| 365 | return ($this->code == 302); | 
| 366 | } | 
| 367 | |
| 368 | /** | 
| 369 | * Determine if the response is an error | 
| 370 | * | 
| 371 | * @return bool | 
| 372 | */ | 
| 373 | public function isError(): bool | 
| 374 | { | 
| 375 | $type = floor($this->code / 100); | 
| 376 | return (($type == 4) || ($type == 5)); | 
| 377 | } | 
| 378 | |
| 379 | /** | 
| 380 | * Determine if the response is a client error | 
| 381 | * | 
| 382 | * @return bool | 
| 383 | */ | 
| 384 | public function isClientError(): bool | 
| 385 | { | 
| 386 | $type = floor($this->code / 100); | 
| 387 | return ($type == 4); | 
| 388 | } | 
| 389 | |
| 390 | /** | 
| 391 | * Determine if the response is a 400 Bad Request | 
| 392 | * | 
| 393 | * @return bool | 
| 394 | */ | 
| 395 | public function isBadRequest(): bool | 
| 396 | { | 
| 397 | return ($this->code == 400); | 
| 398 | } | 
| 399 | |
| 400 | /** | 
| 401 | * Determine if the response is a 401 Unauthorized | 
| 402 | * | 
| 403 | * @return bool | 
| 404 | */ | 
| 405 | public function isUnauthorized(): bool | 
| 406 | { | 
| 407 | return ($this->code == 401); | 
| 408 | } | 
| 409 | |
| 410 | /** | 
| 411 | * Determine if the response is a 403 Forbidden | 
| 412 | * | 
| 413 | * @return bool | 
| 414 | */ | 
| 415 | public function isForbidden(): bool | 
| 416 | { | 
| 417 | return ($this->code == 403); | 
| 418 | } | 
| 419 | |
| 420 | /** | 
| 421 | * Determine if the response is a 404 Not Found | 
| 422 | * | 
| 423 | * @return bool | 
| 424 | */ | 
| 425 | public function isNotFound(): bool | 
| 426 | { | 
| 427 | return ($this->code == 404); | 
| 428 | } | 
| 429 | |
| 430 | /** | 
| 431 | * Determine if the response is a 405 Method Not Allowed | 
| 432 | * | 
| 433 | * @return bool | 
| 434 | */ | 
| 435 | public function isMethodNotAllowed(): bool | 
| 436 | { | 
| 437 | return ($this->code == 405); | 
| 438 | } | 
| 439 | |
| 440 | /** | 
| 441 | * Determine if the response is a 406 Not Acceptable | 
| 442 | * | 
| 443 | * @return bool | 
| 444 | */ | 
| 445 | public function isNotAcceptable(): bool | 
| 446 | { | 
| 447 | return ($this->code == 406); | 
| 448 | } | 
| 449 | |
| 450 | /** | 
| 451 | * Determine if the response is a 408 Request Timeout | 
| 452 | * | 
| 453 | * @return bool | 
| 454 | */ | 
| 455 | public function isRequestTimeout(): bool | 
| 456 | { | 
| 457 | return ($this->code == 408); | 
| 458 | } | 
| 459 | |
| 460 | /** | 
| 461 | * Determine if the response is a 409 Conflict | 
| 462 | * | 
| 463 | * @return bool | 
| 464 | */ | 
| 465 | public function isConflict(): bool | 
| 466 | { | 
| 467 | return ($this->code == 409); | 
| 468 | } | 
| 469 | |
| 470 | /** | 
| 471 | * Determine if the response is a 411 Length Required | 
| 472 | * | 
| 473 | * @return bool | 
| 474 | */ | 
| 475 | public function isLengthRequired(): bool | 
| 476 | { | 
| 477 | return ($this->code == 411); | 
| 478 | } | 
| 479 | |
| 480 | /** | 
| 481 | * Determine if the response is a 415 Unsupported Media Type | 
| 482 | * | 
| 483 | * @return bool | 
| 484 | */ | 
| 485 | public function isUnsupportedMediaType(): bool | 
| 486 | { | 
| 487 | return ($this->code == 415); | 
| 488 | } | 
| 489 | |
| 490 | /** | 
| 491 | * Determine if the response is a 422 Unprocessable Entity | 
| 492 | * | 
| 493 | * @return bool | 
| 494 | */ | 
| 495 | public function isUnprocessableEntity(): bool | 
| 496 | { | 
| 497 | return ($this->code == 422); | 
| 498 | } | 
| 499 | |
| 500 | /** | 
| 501 | * Determine if the response is a 429 Too Many Requests | 
| 502 | * | 
| 503 | * @return bool | 
| 504 | */ | 
| 505 | public function isTooManyRequests(): bool | 
| 506 | { | 
| 507 | return ($this->code == 429); | 
| 508 | } | 
| 509 | |
| 510 | /** | 
| 511 | * Determine if the response is a server error | 
| 512 | * | 
| 513 | * @return bool | 
| 514 | */ | 
| 515 | public function isServerError(): bool | 
| 516 | { | 
| 517 | $type = floor($this->code / 100); | 
| 518 | return ($type == 5); | 
| 519 | } | 
| 520 | |
| 521 | /** | 
| 522 | * Determine if the response is a 500 Internal Server Error | 
| 523 | * | 
| 524 | * @return bool | 
| 525 | */ | 
| 526 | public function isInternalServerError(): bool | 
| 527 | { | 
| 528 | return ($this->code == 500); | 
| 529 | } | 
| 530 | |
| 531 | /** | 
| 532 | * Determine if the response is a 502 Bad Gateway | 
| 533 | * | 
| 534 | * @return bool | 
| 535 | */ | 
| 536 | public function isBadGateway(): bool | 
| 537 | { | 
| 538 | return ($this->code == 502); | 
| 539 | } | 
| 540 | |
| 541 | /** | 
| 542 | * Determine if the response is a 503 Service Unavailable | 
| 543 | * | 
| 544 | * @return bool | 
| 545 | */ | 
| 546 | public function isServiceUnavailable(): bool | 
| 547 | { | 
| 548 | return ($this->code == 503); | 
| 549 | } | 
| 550 | |
| 551 | } |