Skip to content
This repository
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 985 lines (901 sloc) 28.253 kb
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
<?php
/* SVN FILE: $Id$ */
/**
* HTTP Socket connection class.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP(tm) v 1.2.0
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
App::import('Core', array('Socket', 'Set', 'Router'));
/**
* Cake network socket connection class.
*
* Core base class for HTTP network communication.
*
* @package cake
* @subpackage cake.cake.libs
*/
class HttpSocket extends CakeSocket {
/**
* Object description
*
* @var string
* @access public
*/
var $description = 'HTTP-based DataSource Interface';
/**
* When one activates the $quirksMode by setting it to true, all checks meant to enforce RFC 2616 (HTTP/1.1 specs)
* will be disabled and additional measures to deal with non-standard responses will be enabled.
*
* @var boolean
* @access public
*/
var $quirksMode = false;
/**
* The default values to use for a request
*
* @var array
* @access public
*/
var $request = array(
'method' => 'GET',
'uri' => array(
'scheme' => 'http',
'host' => null,
'port' => 80,
'user' => null,
'pass' => null,
'path' => null,
'query' => null,
'fragment' => null
),
'auth' => array(
'method' => 'Basic',
'user' => null,
'pass' => null
),
'version' => '1.1',
'body' => '',
'line' => null,
'header' => array(
'Connection' => 'close',
'User-Agent' => 'CakePHP'
),
'raw' => null,
'cookies' => array()
);
/**
* The default structure for storing the response
*
* @var array
* @access public
*/
var $response = array(
'raw' => array(
'status-line' => null,
'header' => null,
'body' => null,
'response' => null
),
'status' => array(
'http-version' => null,
'code' => null,
'reason-phrase' => null
),
'header' => array(),
'body' => '',
'cookies' => array()
);
/**
* Default configuration settings for the HttpSocket
*
* @var array
* @access public
*/
var $config = array(
'persistent' => false,
'host' => 'localhost',
'protocol' => 'tcp',
'port' => 80,
'timeout' => 30,
'request' => array(
'uri' => array(
'scheme' => 'http',
'host' => 'localhost',
'port' => 80
),
'auth' => array(
'method' => 'Basic',
'user' => null,
'pass' => null
),
'cookies' => array()
)
);
/**
* String that represents a line break.
*
* @var string
* @access public
*/
var $lineBreak = "\r\n";

/**
* Build an HTTP Socket using the specified configuration.
*
* @param array $config Configuration
*/
function __construct($config = array()) {
if (is_string($config)) {
$this->configUri($config);
} elseif (is_array($config)) {
if (isset($config['request']['uri']) && is_string($config['request']['uri'])) {
$this->configUri($config['request']['uri']);
unset($config['request']['uri']);
}
$this->config = Set::merge($this->config, $config);
}
parent::__construct($this->config);
}
/**
* Issue the specified request.
*
* @param mixed $request Either an URI string, or an array defining host/uri
* @return mixed false on error, request body on success
* @access public
*/
function request($request = array()) {
$this->reset(false);

if (is_string($request)) {
$request = array('uri' => $request);
} elseif (!is_array($request)) {
return false;
}

if (!isset($request['uri'])) {
$request['uri'] = null;
}
$uri = $this->parseUri($request['uri']);

if (!isset($uri['host'])) {
$host = $this->config['host'];
}
if (isset($request['host'])) {
$host = $request['host'];
unset($request['host']);
}

$request['uri'] = $this->url($request['uri']);
$request['uri'] = $this->parseUri($request['uri'], true);
$this->request = Set::merge($this->request, $this->config['request'], $request);

$this->configUri($this->request['uri']);

if (isset($host)) {
$this->config['host'] = $host;
}
$cookies = null;

if (is_array($this->request['header'])) {
$this->request['header'] = $this->parseHeader($this->request['header']);
if (!empty($this->request['cookies'])) {
$cookies = $this->buildCookies($this->request['cookies']);
}
$this->request['header'] = array_merge(array('Host' => $this->request['uri']['host']), $this->request['header']);
}

if (isset($this->request['auth']['user']) && isset($this->request['auth']['pass'])) {
$this->request['header']['Authorization'] = $this->request['auth']['method'] . " " . base64_encode($this->request['auth']['user'] . ":" . $this->request['auth']['pass']);
}
if (isset($this->request['uri']['user']) && isset($this->request['uri']['pass'])) {
$this->request['header']['Authorization'] = $this->request['auth']['method'] . " " . base64_encode($this->request['uri']['user'] . ":" . $this->request['uri']['pass']);
}

if (is_array($this->request['body'])) {
$this->request['body'] = $this->httpSerialize($this->request['body']);
}

if (!empty($this->request['body']) && !isset($this->request['header']['Content-Type'])) {
$this->request['header']['Content-Type'] = 'application/x-www-form-urlencoded';
}

if (!empty($this->request['body']) && !isset($this->request['header']['Content-Length'])) {
$this->request['header']['Content-Length'] = strlen($this->request['body']);
}

$connectionType = null;
if (isset($this->request['header']['Connection'])) {
$connectionType = $this->request['header']['Connection'];
}
$this->request['header'] = $this->buildHeader($this->request['header']).$cookies;

if (empty($this->request['line'])) {
$this->request['line'] = $this->buildRequestLine($this->request);
}

if ($this->quirksMode === false && $this->request['line'] === false) {
return $this->response = false;
}

if ($this->request['line'] !== false) {
$this->request['raw'] = $this->request['line'];
}

if ($this->request['header'] !== false) {
$this->request['raw'] .= $this->request['header'];
}

$this->request['raw'] .= "\r\n";
$this->request['raw'] .= $this->request['body'];
$this->write($this->request['raw']);

$response = null;
while ($data = $this->read()) {
$response .= $data;
}

if ($connectionType == 'close') {
$this->disconnect();
}

$this->response = $this->parseResponse($response);
if (!empty($this->response['cookies'])) {
$this->config['request']['cookies'] = array_merge($this->config['request']['cookies'], $this->response['cookies']);
}

return $this->response['body'];
}
/**
* Issues a GET request to the specified URI, query, and request.
*
* @param mixed $uri URI to request (see {@link parseUri()})
* @param array $query Query to append to URI
* @param array $request An indexed array with indexes such as 'method' or uri
* @return mixed Result of request
* @access public
*/
function get($uri = null, $query = array(), $request = array()) {
if (!empty($query)) {
$uri =$this->parseUri($uri);
if (isset($uri['query'])) {
$uri['query'] = array_merge($uri['query'], $query);
} else {
$uri['query'] = $query;
}
$uri = $this->buildUri($uri);
}

$request = Set::merge(array('method' => 'GET', 'uri' => $uri), $request);
return $this->request($request);
}

/**
* Issues a POST request to the specified URI, query, and request.
*
* @param mixed $uri URI to request (see {@link parseUri()})
* @param array $query Query to append to URI
* @param array $request An indexed array with indexes such as 'method' or uri
* @return mixed Result of request
* @access public
*/
function post($uri = null, $data = array(), $request = array()) {
$request = Set::merge(array('method' => 'POST', 'uri' => $uri, 'body' => $data), $request);
return $this->request($request);
}
/**
* Issues a PUT request to the specified URI, query, and request.
*
* @param mixed $uri URI to request (see {@link parseUri()})
* @param array $query Query to append to URI
* @param array $request An indexed array with indexes such as 'method' or uri
* @return mixed Result of request
* @access public
*/
function put($uri = null, $data = array(), $request = array()) {
$request = Set::merge(array('method' => 'PUT', 'uri' => $uri, 'body' => $data), $request);
return $this->request($request);
}
/**
* Issues a DELETE request to the specified URI, query, and request.
*
* @param mixed $uri URI to request (see {@link parseUri()})
* @param array $query Query to append to URI
* @param array $request An indexed array with indexes such as 'method' or uri
* @return mixed Result of request
* @access public
*/
function delete($uri = null, $data = array(), $request = array()) {
$request = Set::merge(array('method' => 'DELETE', 'uri' => $uri, 'body' => $data), $request);
return $this->request($request);
}
/**
* undocumented function
*
* @param unknown $url
* @param unknown $uriTemplate
* @return void
* @access public
*/
function url($url = null, $uriTemplate = null) {
if (is_null($url)) {
$url = '/';
}
if (is_string($url)) {
if ($url{0} == '/') {
$url = $this->config['request']['uri']['host'].':'.$this->config['request']['uri']['port'] . $url;
}
if (!preg_match('/^.+:\/\/|\*|^\//', $url)) {
$url = $this->config['request']['uri']['scheme'].'://'.$url;
}
} elseif (!is_array($url) && !empty($url)) {
return false;
}

$base = array_merge($this->config['request']['uri'], array('scheme' => array('http', 'https'), 'port' => array(80, 443)));
$url = $this->parseUri($url, $base);

if (empty($url)) {
$url = $this->config['request']['uri'];
}

if (!empty($uriTemplate)) {
return $this->buildUri($url, $uriTemplate);
}
return $this->buildUri($url);
}
/**
* Parses the given message and breaks it down in parts.
*
* @param string $message Message to parse
* @return array Parsed message (with indexed elements such as raw, status, header, body)
* @access protected
*/
function parseResponse($message) {
if (is_array($message)) {
return $message;
} elseif (!is_string($message)) {
return false;
}

static $responseTemplate;

if (empty($responseTemplate)) {
$classVars = get_class_vars(__CLASS__);
$responseTemplate = $classVars['response'];
}

$response = $responseTemplate;

if (!preg_match("/^(.+\r\n)(.*)(?<=\r\n)\r\n/Us", $message, $match)) {
return false;
}

list($null, $response['raw']['status-line'], $response['raw']['header']) = $match;
$response['raw']['response'] = $message;
$response['raw']['body'] = substr($message, strlen($match[0]));

if (preg_match("/(.+) ([0-9]{3}) (.+)\r\n/DU", $response['raw']['status-line'], $match)) {
$response['status']['http-version'] = $match[1];
$response['status']['code'] = (int)$match[2];
$response['status']['reason-phrase'] = $match[3];
}

$response['header'] = $this->parseHeader($response['raw']['header']);
$transferEncoding = null;
if (isset($response['header']['Transfer-Encoding'])) {
$transferEncoding = $response['header']['Transfer-Encoding'];
}
$decoded = $this->decodeBody($response['raw']['body'], $transferEncoding);
$response['body'] = $decoded['body'];

if (!empty($decoded['header'])) {
$response['header'] = $this->parseHeader($this->buildHeader($response['header']).$this->buildHeader($decoded['header']));
}

if (!empty($response['header'])) {
$response['cookies'] = $this->parseCookies($response['header']);
}

foreach ($response['raw'] as $field => $val) {
if ($val === '') {
$response['raw'][$field] = null;
}
}

return $response;
}
/**
* Generic function to decode a $body with a given $encoding. Returns either an array with the keys
* 'body' and 'header' or false on failure.
*
* @param string $body A string continaing the body to decode
* @param mixed $encoding Can be false in case no encoding is being used, or a string representing the encoding
* @return mixed Array or false
* @access protected
*/
function decodeBody($body, $encoding = 'chunked') {
if (!is_string($body)) {
return false;
}
if (empty($encoding)) {
return array('body' => $body, 'header' => false);
}
$decodeMethod = 'decode'.Inflector::camelize(str_replace('-', '_', $encoding)).'Body';

if (!is_callable(array(&$this, $decodeMethod))) {
if (!$this->quirksMode) {
trigger_error(sprintf(__('HttpSocket::decodeBody - Unknown encoding: %s. Activate quirks mode to surpress error.', true), h($encoding)), E_USER_WARNING);
}
return array('body' => $body, 'header' => false);
}
return $this->{$decodeMethod}($body);
}
/**
* Decodes a chunked message $body and returns either an array with the keys 'body' and 'header' or false as
* a result.
*
* @param string $body A string continaing the chunked body to decode
* @return mixed Array or false
* @access protected
*/
function decodeChunkedBody($body) {
if (!is_string($body)) {
return false;
}

$decodedBody = null;
$chunkLength = null;

while ($chunkLength !== 0) {
if (!preg_match("/^([0-9a-f]+) *(?:;(.+)=(.+))?\r\n/iU", $body, $match)) {
if (!$this->quirksMode) {
trigger_error(__('HttpSocket::decodeChunkedBody - Could not parse malformed chunk. Activate quirks mode to do this.', true), E_USER_WARNING);
return false;
}
break;
}

$chunkSize = 0;
$hexLength = 0;
$chunkExtensionName = '';
$chunkExtensionValue = '';
if (isset($match[0])) {
$chunkSize = $match[0];
}
if (isset($match[1])) {
$hexLength = $match[1];
}
if (isset($match[2])) {
$chunkExtensionName = $match[2];
}
if (isset($match[3])) {
$chunkExtensionValue = $match[3];
}

$body = substr($body, strlen($chunkSize));
$chunkLength = hexdec($hexLength);
$chunk = substr($body, 0, $chunkLength);
if (!empty($chunkExtensionName)) {
/**
* @todo See if there are popular chunk extensions we should implement
*/
}
$decodedBody .= $chunk;
if ($chunkLength !== 0) {
$body = substr($body, $chunkLength+strlen("\r\n"));
}
}

$entityHeader = false;
if (!empty($body)) {
$entityHeader = $this->parseHeader($body);
}
return array('body' => $decodedBody, 'header' => $entityHeader);
}
/**
* Parses and sets the specified URI into current request configuration.
*
* @param mixed $uri URI (see {@link parseUri()})
* @return array Current configuration settings
* @access protected
*/
function configUri($uri = null) {
if (empty($uri)) {
return false;
}

if (is_array($uri)) {
$uri = $this->parseUri($uri);
} else {
$uri = $this->parseUri($uri, true);
}

if (!isset($uri['host'])) {
return false;
}

$config = array(
'request' => array(
'uri' => array_intersect_key($uri, $this->config['request']['uri']),
'auth' => array_intersect_key($uri, $this->config['request']['auth'])
)
);
$this->config = Set::merge($this->config, $config);
$this->config = Set::merge($this->config, array_intersect_key($this->config['request']['uri'], $this->config));
return $this->config;
}
/**
* Takes a $uri array and turns it into a fully qualified URL string
*
* @param array $uri A $uri array, or uses $this->config if left empty
* @param string $uriTemplate The Uri template/format to use
* @return string A fully qualified URL formated according to $uriTemplate
* @access protected
*/
function buildUri($uri = array(), $uriTemplate = '%scheme://%user:%pass@%host:%port/%path?%query#%fragment') {
if (is_string($uri)) {
$uri = array('host' => $uri);
}
$uri = $this->parseUri($uri, true);

if (!is_array($uri) || empty($uri)) {
return false;
}

$uri['path'] = preg_replace('/^\//', null, $uri['path']);
$uri['query'] = $this->httpSerialize($uri['query']);
$stripIfEmpty = array(
'query' => '?%query',
'fragment' => '#%fragment',
'user' => '%user:%pass@'
);

foreach ($stripIfEmpty as $key => $strip) {
if (empty($uri[$key])) {
$uriTemplate = str_replace($strip, null, $uriTemplate);
}
}

$defaultPorts = array('http' => 80, 'https' => 443);
if (array_key_exists($uri['scheme'], $defaultPorts) && $defaultPorts[$uri['scheme']] == $uri['port']) {
$uriTemplate = str_replace(':%port', null, $uriTemplate);
}

foreach ($uri as $property => $value) {
$uriTemplate = str_replace('%'.$property, $value, $uriTemplate);
}

if ($uriTemplate === '/*') {
$uriTemplate = '*';
}
return $uriTemplate;
}
/**
* Parses the given URI and breaks it down into pieces as an indexed array with elements
* such as 'scheme', 'port', 'query'.
*
* @param string $uri URI to parse
* @param mixed $base If true use default URI config, otherwise indexed array to set 'scheme', 'host', 'port', etc.
* @return array Parsed URI
* @access protected
*/
function parseUri($uri = null, $base = array()) {
$uriBase = array(
'scheme' => array('http', 'https'),
'host' => null,
'port' => array(80, 443),
'user' => null,
'pass' => null,
'path' => '/',
'query' => null,
'fragment' => null
);

if (is_string($uri)) {
$uri = parse_url($uri);
}
if (!is_array($uri) || empty($uri)) {
return false;
}
if ($base === true) {
$base = $uriBase;
}

if (isset($base['port'], $base['scheme']) && is_array($base['port']) && is_array($base['scheme'])) {
if (isset($uri['scheme']) && !isset($uri['port'])) {
$base['port'] = $base['port'][array_search($uri['scheme'], $base['scheme'])];
} elseif (isset($uri['port']) && !isset($uri['scheme'])) {
$base['scheme'] = $base['scheme'][array_search($uri['port'], $base['port'])];
}
}

if (is_array($base) && !empty($base)) {
$uri = array_merge($base, $uri);
}

if (isset($uri['scheme']) && is_array($uri['scheme'])) {
$uri['scheme'] = array_shift($uri['scheme']);
}
if (isset($uri['port']) && is_array($uri['port'])) {
$uri['port'] = array_shift($uri['port']);
}

if (array_key_exists('query', $uri)) {
$uri['query'] = $this->parseQuery($uri['query']);
}

if (!array_intersect_key($uriBase, $uri)) {
return false;
}
return $uri;
}
/**
* This function can be thought of as a reverse to PHP5's http_build_query(). It takes a given query string and turns it into an array and
* supports nesting by using the php bracket syntax. So this menas you can parse queries like:
*
* - ?key[subKey]=value
* - ?key[]=value1&key[]=value2
*
* A leading '?' mark in $query is optional and does not effect the outcome of this function. For the complete capabilities of this implementation
* take a look at HttpSocketTest::testParseQuery()
*
* @param mixed $query A query string to parse into an array or an array to return directly "as is"
* @return array The $query parsed into a possibly multi-level array. If an empty $query is given, an empty array is returned.
* @access protected
*/
function parseQuery($query) {
if (is_array($query)) {
return $query;
}
$parsedQuery = array();

if (is_string($query) && !empty($query)) {
$query = preg_replace('/^\?/', '', $query);
$items = explode('&', $query);

foreach ($items as $item) {
if (strpos($item, '=') !== false) {
list($key, $value) = explode('=', $item);
} else {
$key = $item;
$value = null;
}

$key = urldecode($key);
$value = urldecode($value);

if (preg_match_all('/\[([^\[\]]*)\]/iUs', $key, $matches)) {
$subKeys = $matches[1];
$rootKey = substr($key, 0, strpos($key, '['));
if (!empty($rootKey)) {
array_unshift($subKeys, $rootKey);
}
$queryNode =& $parsedQuery;

foreach ($subKeys as $subKey) {
if (!is_array($queryNode)) {
$queryNode = array();
}

if ($subKey === '') {
$queryNode[] = array();
end($queryNode);
$subKey = key($queryNode);
}
$queryNode =& $queryNode[$subKey];
}
$queryNode = $value;
} else {
$parsedQuery[$key] = $value;
}
}
}
return $parsedQuery;
}
/**
* Builds a request line according to HTTP/1.1 specs. Activate quirks mode to work outside specs.
*
* @param array $request Needs to contain a 'uri' key. Should also contain a 'method' key, otherwise defaults to GET.
* @param string $versionToken The version token to use, defaults to HTTP/1.1
* @return string Request line
* @access protected
*/
function buildRequestLine($request = array(), $versionToken = 'HTTP/1.1') {
$asteriskMethods = array('OPTIONS');

if (is_string($request)) {
$isValid = preg_match("/(.+) (.+) (.+)\r\n/U", $request, $match);
if (!$this->quirksMode && (!$isValid || ($match[2] == '*' && !in_array($match[3], $asteriskMethods)))) {
trigger_error(__('HttpSocket::buildRequestLine - Passed an invalid request line string. Activate quirks mode to do this.', true), E_USER_WARNING);
return false;
}
return $request;
} elseif (!is_array($request)) {
return false;
} elseif (!array_key_exists('uri', $request)) {
return false;
}

$request['uri'] = $this->parseUri($request['uri']);
$request = array_merge(array('method' => 'GET'), $request);
$request['uri'] = $this->buildUri($request['uri'], '/%path?%query');

if (!$this->quirksMode && $request['uri'] === '*' && !in_array($request['method'], $asteriskMethods)) {
trigger_error(sprintf(__('HttpSocket::buildRequestLine - The "*" asterisk character is only allowed for the following methods: %s. Activate quirks mode to work outside of HTTP/1.1 specs.', true), join(',', $asteriskMethods)), E_USER_WARNING);
return false;
}
return $request['method'].' '.$request['uri'].' '.$versionToken.$this->lineBreak;
}
/**
* Serializes an array for transport.
*
* @param array $data Data to serialize
* @return string Serialized variable
* @access protected
*/
function httpSerialize($data = array()) {
if (is_string($data)) {
return $data;
}
if (empty($data) || !is_array($data)) {
return false;
}
return substr(Router::queryString($data), 1);
}
/**
* Builds the header.
*
* @param array $header Header to build
* @return string Header built from array
* @access protected
*/
function buildHeader($header, $mode = 'standard') {
if (is_string($header)) {
return $header;
} elseif (!is_array($header)) {
return false;
}

$returnHeader = '';
foreach ($header as $field => $contents) {
if (is_array($contents) && $mode == 'standard') {
$contents = join(',', $contents);
}
foreach ((array)$contents as $content) {
$contents = preg_replace("/\r\n(?![\t ])/", "\r\n ", $content);
$field = $this->escapeToken($field);

$returnHeader .= $field.': '.$contents.$this->lineBreak;
}
}
return $returnHeader;
}

/**
* Parses an array based header.
*
* @param array $header Header as an indexed array (field => value)
* @return array Parsed header
* @access protected
*/
function parseHeader($header) {
if (is_array($header)) {
foreach ($header as $field => $value) {
unset($header[$field]);
$field = strtolower($field);
preg_match_all('/(?:^|(?<=-))[a-z]/U', $field, $offsets, PREG_OFFSET_CAPTURE);

foreach ($offsets[0] as $offset) {
$field = substr_replace($field, strtoupper($offset[0]), $offset[1], 1);
}
$header[$field] = $value;
}
return $header;
} elseif (!is_string($header)) {
return false;
}

preg_match_all("/(.+):(.+)(?:(?<![\t ])" . $this->lineBreak . "|\$)/Uis", $header, $matches, PREG_SET_ORDER);

$header = array();
foreach ($matches as $match) {
list(, $field, $value) = $match;

$value = trim($value);
$value = preg_replace("/[\t ]\r\n/", "\r\n", $value);

$field = $this->unescapeToken($field);

$field = strtolower($field);
preg_match_all('/(?:^|(?<=-))[a-z]/U', $field, $offsets, PREG_OFFSET_CAPTURE);
foreach ($offsets[0] as $offset) {
$field = substr_replace($field, strtoupper($offset[0]), $offset[1], 1);
}

if (!isset($header[$field])) {
$header[$field] = $value;
} else {
$header[$field] = array_merge((array)$header[$field], (array)$value);
}
}
return $header;
}
/**
* undocumented function
*
* @param unknown $header
* @return void
* @access public
* @todo Make this 100% RFC 2965 confirm
*/
function parseCookies($header) {
if (!isset($header['Set-Cookie'])) {
return false;
}

$cookies = array();
foreach ((array)$header['Set-Cookie'] as $cookie) {
$parts = preg_split('/(?<![^;]");[ \t]*/', $cookie);
list($name, $value) = explode('=', array_shift($parts), 2);
$cookies[$name] = compact('value');
foreach ($parts as $part) {
if (strpos($part, '=') !== false) {
list($key, $value) = explode('=', $part);
} else {
$key = $part;
$value = true;
}

$key = strtolower($key);
if (!isset($cookies[$name][$key])) {
$cookies[$name][$key] = $value;
}
}
}
return $cookies;
}
/**
* undocumented function
*
* @param unknown $cookies
* @return void
* @access public
* @todo Refactor token escape mechanism to be configurable
*/
function buildCookies($cookies) {
$header = array();
foreach ($cookies as $name => $cookie) {
$header[] = $name.'='.$this->escapeToken($cookie['value'], array(';'));
}
$header = $this->buildHeader(array('Cookie' => $header), 'pragmatic');
return $header;
}
/**
* undocumented function
*
* @return void
* @access public
*/
function saveCookies() {

}
/**
* undocumented function
*
* @return void
* @access public
*/
function loadCookies() {

}
/**
* Unescapes a given $token according to RFC 2616 (HTTP 1.1 specs)
*
* @param string $token Token to unescape
* @return string Unescaped token
* @access protected
* @todo Test $chars parameter
*/
function unescapeToken($token, $chars = null) {
$regex = '/"(['.join('', $this->__tokenEscapeChars(true, $chars)).'])"/';
$token = preg_replace($regex, '\\1', $token);
return $token;
}
/**
* Escapes a given $token according to RFC 2616 (HTTP 1.1 specs)
*
* @param string $token Token to escape
* @return string Escaped token
* @access protected
* @todo Test $chars parameter
*/
function escapeToken($token, $chars = null) {
$regex = '/(['.join('', $this->__tokenEscapeChars(true, $chars)).'])/';
$token = preg_replace($regex, '"\\1"', $token);
return $token;
}
/**
* Gets escape chars according to RFC 2616 (HTTP 1.1 specs).
*
* @param boolean $hex true to get them as HEX values, false otherwise
* @return array Escape chars
* @access private
* @todo Test $chars parameter
*/
function __tokenEscapeChars($hex = true, $chars = null) {
if (!empty($chars)) {
$escape = $chars;
} else {
$escape = array('"', "(", ")", "<", ">", "@", ",", ";", ":", "\\", "/", "[", "]", "?", "=", "{", "}", " ");
for ($i = 0; $i <= 31; $i++) {
$escape[] = chr($i);
}
$escape[] = chr(127);
}

if ($hex == false) {
return $escape;
}
$regexChars = '';
foreach ($escape as $key => $char) {
$escape[$key] = '\\x'.str_pad(dechex(ord($char)), 2, '0', STR_PAD_LEFT);
}
return $escape;
}
/**
* Resets the state of this HttpSocket instance to it's initial state (before Object::__construct got executed) or does
* the same thing partially for the request and the response property only.
*
* @param boolean $full If set to false only HttpSocket::response and HttpSocket::request are reseted
* @return boolean True on success
* @access public
*/
function reset($full = true) {
static $initalState = array();
if (empty($initalState)) {
$initalState = get_class_vars(__CLASS__);
}

if ($full == false) {
$this->request = $initalState['request'];
$this->response = $initalState['response'];
return true;
}
parent::reset($initalState);
return true;
}
}
?>
Something went wrong with that request. Please try again.