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Code source de nusoap 0.7.2 |
1 <?php 2 3 4 5 6 /** 7 * transport class for sending/receiving data via HTTP and HTTPS 8 * NOTE: PHP must be compiled with the CURL extension for HTTPS support 9 * 10 * @author Dietrich Ayala <dietrich@ganx4.com> 11 * @version $Id: class.soap_transport_http.php,v 1.57 2005/07/27 19:24:42 snichol Exp $ 12 * @access public 13 */ 14 class soap_transport_http extends nusoap_base { 15 16 var $url = ''; 17 var $uri = ''; 18 var $digest_uri = ''; 19 var $scheme = ''; 20 var $host = ''; 21 var $port = ''; 22 var $path = ''; 23 var $request_method = 'POST'; 24 var $protocol_version = '1.0'; 25 var $encoding = ''; 26 var $outgoing_headers = array(); 27 var $incoming_headers = array(); 28 var $incoming_cookies = array(); 29 var $outgoing_payload = ''; 30 var $incoming_payload = ''; 31 var $useSOAPAction = true; 32 var $persistentConnection = false; 33 var $ch = false; // cURL handle 34 var $username = ''; 35 var $password = ''; 36 var $authtype = ''; 37 var $digestRequest = array(); 38 var $certRequest = array(); // keys must be cainfofile (optional), sslcertfile, sslkeyfile, passphrase, verifypeer (optional), verifyhost (optional) 39 // cainfofile: certificate authority file, e.g. '$pathToPemFiles/rootca.pem' 40 // sslcertfile: SSL certificate file, e.g. '$pathToPemFiles/mycert.pem' 41 // sslkeyfile: SSL key file, e.g. '$pathToPemFiles/mykey.pem' 42 // passphrase: SSL key password/passphrase 43 // verifypeer: default is 1 44 // verifyhost: default is 1 45 46 /** 47 * constructor 48 */ 49 function soap_transport_http($url){ 50 parent::nusoap_base(); 51 $this->setURL($url); 52 ereg('\$Revisio' . 'n: ([^ ]+)', $this->revision, $rev); 53 $this->outgoing_headers['User-Agent'] = $this->title.'/'.$this->version.' ('.$rev[1].')'; 54 $this->debug('set User-Agent: ' . $this->outgoing_headers['User-Agent']); 55 } 56 57 function setURL($url) { 58 $this->url = $url; 59 60 $u = parse_url($url); 61 foreach($u as $k => $v){ 62 $this->debug("$k = $v"); 63 $this->$k = $v; 64 } 65 66 // add any GET params to path 67 if(isset($u['query']) && $u['query'] != ''){ 68 $this->path .= '?' . $u['query']; 69 } 70 71 // set default port 72 if(!isset($u['port'])){ 73 if($u['scheme'] == 'https'){ 74 $this->port = 443; 75 } else { 76 $this->port = 80; 77 } 78 } 79 80 $this->uri = $this->path; 81 $this->digest_uri = $this->uri; 82 83 // build headers 84 if (!isset($u['port'])) { 85 $this->outgoing_headers['Host'] = $this->host; 86 } else { 87 $this->outgoing_headers['Host'] = $this->host.':'.$this->port; 88 } 89 $this->debug('set Host: ' . $this->outgoing_headers['Host']); 90 91 if (isset($u['user']) && $u['user'] != '') { 92 $this->setCredentials(urldecode($u['user']), isset($u['pass']) ? urldecode($u['pass']) : ''); 93 } 94 } 95 96 function connect($connection_timeout=0,$response_timeout=30){ 97 // For PHP 4.3 with OpenSSL, change https scheme to ssl, then treat like 98 // "regular" socket. 99 // TODO: disabled for now because OpenSSL must be *compiled* in (not just 100 // loaded), and until PHP5 stream_get_wrappers is not available. 101 // if ($this->scheme == 'https') { 102 // if (version_compare(phpversion(), '4.3.0') >= 0) { 103 // if (extension_loaded('openssl')) { 104 // $this->scheme = 'ssl'; 105 // $this->debug('Using SSL over OpenSSL'); 106 // } 107 // } 108 // } 109 $this->debug("connect connection_timeout $connection_timeout, response_timeout $response_timeout, scheme $this->scheme, host $this->host, port $this->port"); 110 if ($this->scheme == 'http' || $this->scheme == 'ssl') { 111 // use persistent connection 112 if($this->persistentConnection && isset($this->fp) && is_resource($this->fp)){ 113 if (!feof($this->fp)) { 114 $this->debug('Re-use persistent connection'); 115 return true; 116 } 117 fclose($this->fp); 118 $this->debug('Closed persistent connection at EOF'); 119 } 120 121 // munge host if using OpenSSL 122 if ($this->scheme == 'ssl') { 123 $host = 'ssl://' . $this->host; 124 } else { 125 $host = $this->host; 126 } 127 $this->debug('calling fsockopen with host ' . $host . ' connection_timeout ' . $connection_timeout); 128 129 // open socket 130 if($connection_timeout > 0){ 131 $this->fp = @fsockopen( $host, $this->port, $this->errno, $this->error_str, $connection_timeout); 132 } else { 133 $this->fp = @fsockopen( $host, $this->port, $this->errno, $this->error_str); 134 } 135 136 // test pointer 137 if(!$this->fp) { 138 $msg = 'Couldn\'t open socket connection to server ' . $this->url; 139 if ($this->errno) { 140 $msg .= ', Error ('.$this->errno.'): '.$this->error_str; 141 } else { 142 $msg .= ' prior to connect(). This is often a problem looking up the host name.'; 143 } 144 $this->debug($msg); 145 $this->setError($msg); 146 return false; 147 } 148 149 // set response timeout 150 $this->debug('set response timeout to ' . $response_timeout); 151 socket_set_timeout( $this->fp, $response_timeout); 152 153 $this->debug('socket connected'); 154 return true; 155 } else if ($this->scheme == 'https') { 156 if (!extension_loaded('curl')) { 157 $this->setError('CURL Extension, or OpenSSL extension w/ PHP version >= 4.3 is required for HTTPS'); 158 return false; 159 } 160 $this->debug('connect using https'); 161 // init CURL 162 $this->ch = curl_init(); 163 // set url 164 $hostURL = ($this->port != '') ? "https://$this->host:$this->port" : "https://$this->host"; 165 // add path 166 $hostURL .= $this->path; 167 curl_setopt($this->ch, CURLOPT_URL, $hostURL); 168 // follow location headers (re-directs) 169 curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1); 170 // ask for headers in the response output 171 curl_setopt($this->ch, CURLOPT_HEADER, 1); 172 // ask for the response output as the return value 173 curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1); 174 // encode 175 // We manage this ourselves through headers and encoding 176 // if(function_exists('gzuncompress')){ 177 // curl_setopt($this->ch, CURLOPT_ENCODING, 'deflate'); 178 // } 179 // persistent connection 180 if ($this->persistentConnection) { 181 // The way we send data, we cannot use persistent connections, since 182 // there will be some "junk" at the end of our request. 183 //curl_setopt($this->ch, CURL_HTTP_VERSION_1_1, true); 184 $this->persistentConnection = false; 185 $this->outgoing_headers['Connection'] = 'close'; 186 $this->debug('set Connection: ' . $this->outgoing_headers['Connection']); 187 } 188 // set timeout 189 if ($connection_timeout != 0) { 190 curl_setopt($this->ch, CURLOPT_TIMEOUT, $connection_timeout); 191 } 192 // TODO: cURL has added a connection timeout separate from the response timeout 193 //if ($connection_timeout != 0) { 194 // curl_setopt($this->ch, CURLOPT_CONNECTIONTIMEOUT, $connection_timeout); 195 //} 196 //if ($response_timeout != 0) { 197 // curl_setopt($this->ch, CURLOPT_TIMEOUT, $response_timeout); 198 //} 199 200 // recent versions of cURL turn on peer/host checking by default, 201 // while PHP binaries are not compiled with a default location for the 202 // CA cert bundle, so disable peer/host checking. 203 //curl_setopt($this->ch, CURLOPT_CAINFO, 'f:\php-4.3.2-win32\extensions\curl-ca-bundle.crt'); 204 curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0); 205 curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0); 206 207 // support client certificates (thanks Tobias Boes, Doug Anarino, Eryan Ariobowo) 208 if ($this->authtype == 'certificate') { 209 if (isset($this->certRequest['cainfofile'])) { 210 curl_setopt($this->ch, CURLOPT_CAINFO, $this->certRequest['cainfofile']); 211 } 212 if (isset($this->certRequest['verifypeer'])) { 213 curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, $this->certRequest['verifypeer']); 214 } else { 215 curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 1); 216 } 217 if (isset($this->certRequest['verifyhost'])) { 218 curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, $this->certRequest['verifyhost']); 219 } else { 220 curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 1); 221 } 222 if (isset($this->certRequest['sslcertfile'])) { 223 curl_setopt($this->ch, CURLOPT_SSLCERT, $this->certRequest['sslcertfile']); 224 } 225 if (isset($this->certRequest['sslkeyfile'])) { 226 curl_setopt($this->ch, CURLOPT_SSLKEY, $this->certRequest['sslkeyfile']); 227 } 228 if (isset($this->certRequest['passphrase'])) { 229 curl_setopt($this->ch, CURLOPT_SSLKEYPASSWD , $this->certRequest['passphrase']); 230 } 231 } 232 $this->debug('cURL connection set up'); 233 return true; 234 } else { 235 $this->setError('Unknown scheme ' . $this->scheme); 236 $this->debug('Unknown scheme ' . $this->scheme); 237 return false; 238 } 239 } 240 241 /** 242 * send the SOAP message via HTTP 243 * 244 * @param string $data message data 245 * @param integer $timeout set connection timeout in seconds 246 * @param integer $response_timeout set response timeout in seconds 247 * @param array $cookies cookies to send 248 * @return string data 249 * @access public 250 */ 251 function send($data, $timeout=0, $response_timeout=30, $cookies=NULL) { 252 253 $this->debug('entered send() with data of length: '.strlen($data)); 254 255 $this->tryagain = true; 256 $tries = 0; 257 while ($this->tryagain) { 258 $this->tryagain = false; 259 if ($tries++ < 2) { 260 // make connnection 261 if (!$this->connect($timeout, $response_timeout)){ 262 return false; 263 } 264 265 // send request 266 if (!$this->sendRequest($data, $cookies)){ 267 return false; 268 } 269 270 // get response 271 $respdata = $this->getResponse(); 272 } else { 273 $this->setError('Too many tries to get an OK response'); 274 } 275 } 276 $this->debug('end of send()'); 277 return $respdata; 278 } 279 280 281 /** 282 * send the SOAP message via HTTPS 1.0 using CURL 283 * 284 * @param string $msg message data 285 * @param integer $timeout set connection timeout in seconds 286 * @param integer $response_timeout set response timeout in seconds 287 * @param array $cookies cookies to send 288 * @return string data 289 * @access public 290 */ 291 function sendHTTPS($data, $timeout=0, $response_timeout=30, $cookies) { 292 return $this->send($data, $timeout, $response_timeout, $cookies); 293 } 294 295 /** 296 * if authenticating, set user credentials here 297 * 298 * @param string $username 299 * @param string $password 300 * @param string $authtype (basic, digest, certificate) 301 * @param array $digestRequest (keys must be nonce, nc, realm, qop) 302 * @param array $certRequest (keys must be cainfofile (optional), sslcertfile, sslkeyfile, passphrase, verifypeer (optional), verifyhost (optional): see corresponding options in cURL docs) 303 * @access public 304 */ 305 function setCredentials($username, $password, $authtype = 'basic', $digestRequest = array(), $certRequest = array()) { 306 $this->debug("Set credentials for authtype $authtype"); 307 // cf. RFC 2617 308 if ($authtype == 'basic') { 309 $this->outgoing_headers['Authorization'] = 'Basic '.base64_encode(str_replace(':','',$username).':'.$password); 310 } elseif ($authtype == 'digest') { 311 if (isset($digestRequest['nonce'])) { 312 $digestRequest['nc'] = isset($digestRequest['nc']) ? $digestRequest['nc']++ : 1; 313 314 // calculate the Digest hashes (calculate code based on digest implementation found at: http://www.rassoc.com/gregr/weblog/stories/2002/07/09/webServicesSecurityHttpDigestAuthenticationWithoutActiveDirectory.html) 315 316 // A1 = unq(username-value) ":" unq(realm-value) ":" passwd 317 $A1 = $username. ':' . (isset($digestRequest['realm']) ? $digestRequest['realm'] : '') . ':' . $password; 318 319 // H(A1) = MD5(A1) 320 $HA1 = md5($A1); 321 322 // A2 = Method ":" digest-uri-value 323 $A2 = 'POST:' . $this->digest_uri; 324 325 // H(A2) 326 $HA2 = md5($A2); 327 328 // KD(secret, data) = H(concat(secret, ":", data)) 329 // if qop == auth: 330 // request-digest = <"> < KD ( H(A1), unq(nonce-value) 331 // ":" nc-value 332 // ":" unq(cnonce-value) 333 // ":" unq(qop-value) 334 // ":" H(A2) 335 // ) <"> 336 // if qop is missing, 337 // request-digest = <"> < KD ( H(A1), unq(nonce-value) ":" H(A2) ) > <"> 338 339 $unhashedDigest = ''; 340 $nonce = isset($digestRequest['nonce']) ? $digestRequest['nonce'] : ''; 341 $cnonce = $nonce; 342 if ($digestRequest['qop'] != '') { 343 $unhashedDigest = $HA1 . ':' . $nonce . ':' . sprintf("%08d", $digestRequest['nc']) . ':' . $cnonce . ':' . $digestRequest['qop'] . ':' . $HA2; 344 } else { 345 $unhashedDigest = $HA1 . ':' . $nonce . ':' . $HA2; 346 } 347 348 $hashedDigest = md5($unhashedDigest); 349 350 $this->outgoing_headers['Authorization'] = 'Digest username="' . $username . '", realm="' . $digestRequest['realm'] . '", nonce="' . $nonce . '", uri="' . $this->digest_uri . '", cnonce="' . $cnonce . '", nc=' . sprintf("%08x", $digestRequest['nc']) . ', qop="' . $digestRequest['qop'] . '", response="' . $hashedDigest . '"'; 351 } 352 } elseif ($authtype == 'certificate') { 353 $this->certRequest = $certRequest; 354 } 355 $this->username = $username; 356 $this->password = $password; 357 $this->authtype = $authtype; 358 $this->digestRequest = $digestRequest; 359 360 if (isset($this->outgoing_headers['Authorization'])) { 361 $this->debug('set Authorization: ' . substr($this->outgoing_headers['Authorization'], 0, 12) . '...'); 362 } else { 363 $this->debug('Authorization header not set'); 364 } 365 } 366 367 /** 368 * set the soapaction value 369 * 370 * @param string $soapaction 371 * @access public 372 */ 373 function setSOAPAction($soapaction) { 374 $this->outgoing_headers['SOAPAction'] = '"' . $soapaction . '"'; 375 $this->debug('set SOAPAction: ' . $this->outgoing_headers['SOAPAction']); 376 } 377 378 /** 379 * use http encoding 380 * 381 * @param string $enc encoding style. supported values: gzip, deflate, or both 382 * @access public 383 */ 384 function setEncoding($enc='gzip, deflate') { 385 if (function_exists('gzdeflate')) { 386 $this->protocol_version = '1.1'; 387 $this->outgoing_headers['Accept-Encoding'] = $enc; 388 $this->debug('set Accept-Encoding: ' . $this->outgoing_headers['Accept-Encoding']); 389 if (!isset($this->outgoing_headers['Connection'])) { 390 $this->outgoing_headers['Connection'] = 'close'; 391 $this->persistentConnection = false; 392 $this->debug('set Connection: ' . $this->outgoing_headers['Connection']); 393 } 394 set_magic_quotes_runtime(0); 395 // deprecated 396 $this->encoding = $enc; 397 } 398 } 399 400 /** 401 * set proxy info here 402 * 403 * @param string $proxyhost 404 * @param string $proxyport 405 * @param string $proxyusername 406 * @param string $proxypassword 407 * @access public 408 */ 409 function setProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '') { 410 $this->uri = $this->url; 411 $this->host = $proxyhost; 412 $this->port = $proxyport; 413 if ($proxyusername != '' && $proxypassword != '') { 414 $this->outgoing_headers['Proxy-Authorization'] = ' Basic '.base64_encode($proxyusername.':'.$proxypassword); 415 $this->debug('set Proxy-Authorization: ' . $this->outgoing_headers['Proxy-Authorization']); 416 } 417 } 418 419 /** 420 * decode a string that is encoded w/ "chunked' transfer encoding 421 * as defined in RFC2068 19.4.6 422 * 423 * @param string $buffer 424 * @param string $lb 425 * @returns string 426 * @access public 427 * @deprecated 428 */ 429 function decodeChunked($buffer, $lb){ 430 // length := 0 431 $length = 0; 432 $new = ''; 433 434 // read chunk-size, chunk-extension (if any) and CRLF 435 // get the position of the linebreak 436 $chunkend = strpos($buffer, $lb); 437 if ($chunkend == FALSE) { 438 $this->debug('no linebreak found in decodeChunked'); 439 return $new; 440 } 441 $temp = substr($buffer,0,$chunkend); 442 $chunk_size = hexdec( trim($temp) ); 443 $chunkstart = $chunkend + strlen($lb); 444 // while (chunk-size > 0) { 445 while ($chunk_size > 0) { 446 $this->debug("chunkstart: $chunkstart chunk_size: $chunk_size"); 447 $chunkend = strpos( $buffer, $lb, $chunkstart + $chunk_size); 448 449 // Just in case we got a broken connection 450 if ($chunkend == FALSE) { 451 $chunk = substr($buffer,$chunkstart); 452 // append chunk-data to entity-body 453 $new .= $chunk; 454 $length += strlen($chunk); 455 break; 456 } 457 458 // read chunk-data and CRLF 459 $chunk = substr($buffer,$chunkstart,$chunkend-$chunkstart); 460 // append chunk-data to entity-body 461 $new .= $chunk; 462 // length := length + chunk-size 463 $length += strlen($chunk); 464 // read chunk-size and CRLF 465 $chunkstart = $chunkend + strlen($lb); 466 467 $chunkend = strpos($buffer, $lb, $chunkstart) + strlen($lb); 468 if ($chunkend == FALSE) { 469 break; //Just in case we got a broken connection 470 } 471 $temp = substr($buffer,$chunkstart,$chunkend-$chunkstart); 472 $chunk_size = hexdec( trim($temp) ); 473 $chunkstart = $chunkend; 474 } 475 return $new; 476 } 477 478 /* 479 * Writes payload, including HTTP headers, to $this->outgoing_payload. 480 */ 481 function buildPayload($data, $cookie_str = '') { 482 // add content-length header 483 $this->outgoing_headers['Content-Length'] = strlen($data); 484 $this->debug('set Content-Length: ' . $this->outgoing_headers['Content-Length']); 485 486 // start building outgoing payload: 487 $req = "$this->request_method $this->uri HTTP/$this->protocol_version"; 488 $this->debug("HTTP request: $req"); 489 $this->outgoing_payload = "$req\r\n"; 490 491 // loop thru headers, serializing 492 foreach($this->outgoing_headers as $k => $v){ 493 $hdr = $k.': '.$v; 494 $this->debug("HTTP header: $hdr"); 495 $this->outgoing_payload .= "$hdr\r\n"; 496 } 497 498 // add any cookies 499 if ($cookie_str != '') { 500 $hdr = 'Cookie: '.$cookie_str; 501 $this->debug("HTTP header: $hdr"); 502 $this->outgoing_payload .= "$hdr\r\n"; 503 } 504 505 // header/body separator 506 $this->outgoing_payload .= "\r\n"; 507 508 // add data 509 $this->outgoing_payload .= $data; 510 } 511 512 function sendRequest($data, $cookies = NULL) { 513 // build cookie string 514 $cookie_str = $this->getCookiesForRequest($cookies, (($this->scheme == 'ssl') || ($this->scheme == 'https'))); 515 516 // build payload 517 $this->buildPayload($data, $cookie_str); 518 519 if ($this->scheme == 'http' || $this->scheme == 'ssl') { 520 // send payload 521 if(!fputs($this->fp, $this->outgoing_payload, strlen($this->outgoing_payload))) { 522 $this->setError('couldn\'t write message data to socket'); 523 $this->debug('couldn\'t write message data to socket'); 524 return false; 525 } 526 $this->debug('wrote data to socket, length = ' . strlen($this->outgoing_payload)); 527 return true; 528 } else if ($this->scheme == 'https') { 529 // set payload 530 // TODO: cURL does say this should only be the verb, and in fact it 531 // turns out that the URI and HTTP version are appended to this, which 532 // some servers refuse to work with 533 //curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, $this->outgoing_payload); 534 foreach($this->outgoing_headers as $k => $v){ 535 $curl_headers[] = "$k: $v"; 536 } 537 if ($cookie_str != '') { 538 $curl_headers[] = 'Cookie: ' . $cookie_str; 539 } 540 curl_setopt($this->ch, CURLOPT_HTTPHEADER, $curl_headers); 541 if ($this->request_method == "POST") { 542 curl_setopt($this->ch, CURLOPT_POST, 1); 543 curl_setopt($this->ch, CURLOPT_POSTFIELDS, $data); 544 } else { 545 } 546 $this->debug('set cURL payload'); 547 return true; 548 } 549 } 550 551 function getResponse(){ 552 $this->incoming_payload = ''; 553 554 if ($this->scheme == 'http' || $this->scheme == 'ssl') { 555 // loop until headers have been retrieved 556 $data = ''; 557 while (!isset($lb)){ 558 559 // We might EOF during header read. 560 if(feof($this->fp)) { 561 $this->incoming_payload = $data; 562 $this->debug('found no headers before EOF after length ' . strlen($data)); 563 $this->debug("received before EOF:\n" . $data); 564 $this->setError('server failed to send headers'); 565 return false; 566 } 567 568 $tmp = fgets($this->fp, 256); 569 $tmplen = strlen($tmp); 570 $this->debug("read line of $tmplen bytes: " . trim($tmp)); 571 572 if ($tmplen == 0) { 573 $this->incoming_payload = $data; 574 $this->debug('socket read of headers timed out after length ' . strlen($data)); 575 $this->debug("read before timeout: " . $data); 576 $this->setError('socket read of headers timed out'); 577 return false; 578 } 579 580 $data .= $tmp; 581 $pos = strpos($data,"\r\n\r\n"); 582 if($pos > 1){ 583 $lb = "\r\n"; 584 } else { 585 $pos = strpos($data,"\n\n"); 586 if($pos > 1){ 587 $lb = "\n"; 588 } 589 } 590 // remove 100 header 591 if(isset($lb) && ereg('^HTTP/1.1 100',$data)){ 592 unset($lb); 593 $data = ''; 594 }// 595 } 596 // store header data 597 $this->incoming_payload .= $data; 598 $this->debug('found end of headers after length ' . strlen($data)); 599 // process headers 600 $header_data = trim(substr($data,0,$pos)); 601 $header_array = explode($lb,$header_data); 602 $this->incoming_headers = array(); 603 $this->incoming_cookies = array(); 604 foreach($header_array as $header_line){ 605 $arr = explode(':',$header_line, 2); 606 if(count($arr) > 1){ 607 $header_name = strtolower(trim($arr[0])); 608 $this->incoming_headers[$header_name] = trim($arr[1]); 609 if ($header_name == 'set-cookie') { 610 // TODO: allow multiple cookies from parseCookie 611 $cookie = $this->parseCookie(trim($arr[1])); 612 if ($cookie) { 613 $this->incoming_cookies[] = $cookie; 614 $this->debug('found cookie: ' . $cookie['name'] . ' = ' . $cookie['value']); 615 } else { 616 $this->debug('did not find cookie in ' . trim($arr[1])); 617 } 618 } 619 } else if (isset($header_name)) { 620 // append continuation line to previous header 621 $this->incoming_headers[$header_name] .= $lb . ' ' . $header_line; 622 } 623 } 624 625 // loop until msg has been received 626 if (isset($this->incoming_headers['transfer-encoding']) && strtolower($this->incoming_headers['transfer-encoding']) == 'chunked') { 627 $content_length = 2147483647; // ignore any content-length header 628 $chunked = true; 629 $this->debug("want to read chunked content"); 630 } elseif (isset($this->incoming_headers['content-length'])) { 631 $content_length = $this->incoming_headers['content-length']; 632 $chunked = false; 633 $this->debug("want to read content of length $content_length"); 634 } else { 635 $content_length = 2147483647; 636 $chunked = false; 637 $this->debug("want to read content to EOF"); 638 } 639 $data = ''; 640 do { 641 if ($chunked) { 642 $tmp = fgets($this->fp, 256); 643 $tmplen = strlen($tmp); 644 $this->debug("read chunk line of $tmplen bytes"); 645 if ($tmplen == 0) { 646 $this->incoming_payload = $data; 647 $this->debug('socket read of chunk length timed out after length ' . strlen($data)); 648 $this->debug("read before timeout:\n" . $data); 649 $this->setError('socket read of chunk length timed out'); 650 return false; 651 } 652 $content_length = hexdec(trim($tmp)); 653 $this->debug("chunk length $content_length"); 654 } 655 $strlen = 0; 656 while (($strlen < $content_length) && (!feof($this->fp))) { 657 $readlen = min(8192, $content_length - $strlen); 658 $tmp = fread($this->fp, $readlen); 659 $tmplen = strlen($tmp); 660 $this->debug("read buffer of $tmplen bytes"); 661 if (($tmplen == 0) && (!feof($this->fp))) { 662 $this->incoming_payload = $data; 663 $this->debug('socket read of body timed out after length ' . strlen($data)); 664 $this->debug("read before timeout:\n" . $data); 665 $this->setError('socket read of body timed out'); 666 return false; 667 } 668 $strlen += $tmplen; 669 $data .= $tmp; 670 } 671 if ($chunked && ($content_length > 0)) { 672 $tmp = fgets($this->fp, 256); 673 $tmplen = strlen($tmp); 674 $this->debug("read chunk terminator of $tmplen bytes"); 675 if ($tmplen == 0) { 676 $this->incoming_payload = $data; 677 $this->debug('socket read of chunk terminator timed out after length ' . strlen($data)); 678 $this->debug("read before timeout:\n" . $data); 679 $this->setError('socket read of chunk terminator timed out'); 680 return false; 681 } 682 } 683 } while ($chunked && ($content_length > 0) && (!feof($this->fp))); 684 if (feof($this->fp)) { 685 $this->debug('read to EOF'); 686 } 687 $this->debug('read body of length ' . strlen($data)); 688 $this->incoming_payload .= $data; 689 $this->debug('received a total of '.strlen($this->incoming_payload).' bytes of data from server'); 690 691 // close filepointer 692 if( 693 (isset($this->incoming_headers['connection']) && strtolower($this->incoming_headers['connection']) == 'close') || 694 (! $this->persistentConnection) || feof($this->fp)){ 695 fclose($this->fp); 696 $this->fp = false; 697 $this->debug('closed socket'); 698 } 699 700 // connection was closed unexpectedly 701 if($this->incoming_payload == ''){ 702 $this->setError('no response from server'); 703 return false; 704 } 705 706 // decode transfer-encoding 707 // if(isset($this->incoming_headers['transfer-encoding']) && strtolower($this->incoming_headers['transfer-encoding']) == 'chunked'){ 708 // if(!$data = $this->decodeChunked($data, $lb)){ 709 // $this->setError('Decoding of chunked data failed'); 710 // return false; 711 // } 712 //print "<pre>\nde-chunked:\n---------------\n$data\n\n---------------\n</pre>"; 713 // set decoded payload 714 // $this->incoming_payload = $header_data.$lb.$lb.$data; 715 // } 716 717 } else if ($this->scheme == 'https') { 718 // send and receive 719 $this->debug('send and receive with cURL'); 720 $this->incoming_payload = curl_exec($this->ch); 721 $data = $this->incoming_payload; 722 723 $cErr = curl_error($this->ch); 724 if ($cErr != '') { 725 $err = 'cURL ERROR: '.curl_errno($this->ch).': '.$cErr.'<br>'; 726 // TODO: there is a PHP bug that can cause this to SEGV for CURLINFO_CONTENT_TYPE 727 foreach(curl_getinfo($this->ch) as $k => $v){ 728 $err .= "$k: $v<br>"; 729 } 730 $this->debug($err); 731 $this->setError($err); 732 curl_close($this->ch); 733 return false; 734 } else { 735 //echo '<pre>'; 736 //var_dump(curl_getinfo($this->ch)); 737 //echo '</pre>'; 738 } 739 // close curl 740 $this->debug('No cURL error, closing cURL'); 741 curl_close($this->ch); 742 743 // remove 100 header(s) 744 while (ereg('^HTTP/1.1 100',$data)) { 745 if ($pos = strpos($data,"\r\n\r\n")) { 746 $data = ltrim(substr($data,$pos)); 747 } elseif($pos = strpos($data,"\n\n") ) { 748 $data = ltrim(substr($data,$pos)); 749 } 750 } 751 752 // separate content from HTTP headers 753 if ($pos = strpos($data,"\r\n\r\n")) { 754 $lb = "\r\n"; 755 } elseif( $pos = strpos($data,"\n\n")) { 756 $lb = "\n"; 757 } else { 758 $this->debug('no proper separation of headers and document'); 759 $this->setError('no proper separation of headers and document'); 760 return false; 761 } 762 $header_data = trim(substr($data,0,$pos)); 763 $header_array = explode($lb,$header_data); 764 $data = ltrim(substr($data,$pos)); 765 $this->debug('found proper separation of headers and document'); 766 $this->debug('cleaned data, stringlen: '.strlen($data)); 767 // clean headers 768 foreach ($header_array as $header_line) { 769 $arr = explode(':',$header_line,2); 770 if(count($arr) > 1){ 771 $header_name = strtolower(trim($arr[0])); 772 $this->incoming_headers[$header_name] = trim($arr[1]); 773 if ($header_name == 'set-cookie') { 774 // TODO: allow multiple cookies from parseCookie 775 $cookie = $this->parseCookie(trim($arr[1])); 776 if ($cookie) { 777 $this->incoming_cookies[] = $cookie; 778 $this->debug('found cookie: ' . $cookie['name'] . ' = ' . $cookie['value']); 779 } else { 780 $this->debug('did not find cookie in ' . trim($arr[1])); 781 } 782 } 783 } else if (isset($header_name)) { 784 // append continuation line to previous header 785 $this->incoming_headers[$header_name] .= $lb . ' ' . $header_line; 786 } 787 } 788 } 789 790 $arr = explode(' ', $header_array[0], 3); 791 $http_version = $arr[0]; 792 $http_status = intval($arr[1]); 793 $http_reason = count($arr) > 2 ? $arr[2] : ''; 794 795 // see if we need to resend the request with http digest authentication 796 if (isset($this->incoming_headers['location']) && $http_status == 301) { 797 $this->debug("Got 301 $http_reason with Location: " . $this->incoming_headers['location']); 798 $this->setURL($this->incoming_headers['location']); 799 $this->tryagain = true; 800 return false; 801 } 802 803 // see if we need to resend the request with http digest authentication 804 if (isset($this->incoming_headers['www-authenticate']) && $http_status == 401) { 805 $this->debug("Got 401 $http_reason with WWW-Authenticate: " . $this->incoming_headers['www-authenticate']); 806 if (strstr($this->incoming_headers['www-authenticate'], "Digest ")) { 807 $this->debug('Server wants digest authentication'); 808 // remove "Digest " from our elements 809 $digestString = str_replace('Digest ', '', $this->incoming_headers['www-authenticate']); 810 811 // parse elements into array 812 $digestElements = explode(',', $digestString); 813 foreach ($digestElements as $val) { 814 $tempElement = explode('=', trim($val), 2); 815 $digestRequest[$tempElement[0]] = str_replace("\"", '', $tempElement[1]); 816 } 817 818 // should have (at least) qop, realm, nonce 819 if (isset($digestRequest['nonce'])) { 820 $this->setCredentials($this->username, $this->password, 'digest', $digestRequest); 821 $this->tryagain = true; 822 return false; 823 } 824 } 825 $this->debug('HTTP authentication failed'); 826 $this->setError('HTTP authentication failed'); 827 return false; 828 } 829 830 if ( 831 ($http_status >= 300 && $http_status <= 307) || 832 ($http_status >= 400 && $http_status <= 417) || 833 ($http_status >= 501 && $http_status <= 505) 834 ) { 835 $this->setError("Unsupported HTTP response status $http_status $http_reason (soapclient->response has contents of the response)"); 836 return false; 837 } 838 839 // decode content-encoding 840 if(isset($this->incoming_headers['content-encoding']) && $this->incoming_headers['content-encoding'] != ''){ 841 if(strtolower($this->incoming_headers['content-encoding']) == 'deflate' || strtolower($this->incoming_headers['content-encoding']) == 'gzip'){ 842 // if decoding works, use it. else assume data wasn't gzencoded 843 if(function_exists('gzinflate')){ 844 //$timer->setMarker('starting decoding of gzip/deflated content'); 845 // IIS 5 requires gzinflate instead of gzuncompress (similar to IE 5 and gzdeflate v. gzcompress) 846 // this means there are no Zlib headers, although there should be 847 $this->debug('The gzinflate function exists'); 848 $datalen = strlen($data); 849 if ($this->incoming_headers['content-encoding'] == 'deflate') { 850 if ($degzdata = @gzinflate($data)) { 851 $data = $degzdata; 852 $this->debug('The payload has been inflated to ' . strlen($data) . ' bytes'); 853 if (strlen($data) < $datalen) { 854 // test for the case that the payload has been compressed twice 855 $this->debug('The inflated payload is smaller than the gzipped one; try again'); 856 if ($degzdata = @gzinflate($data)) { 857 $data = $degzdata; 858 $this->debug('The payload has been inflated again to ' . strlen($data) . ' bytes'); 859 } 860 } 861 } else { 862 $this->debug('Error using gzinflate to inflate the payload'); 863 $this->setError('Error using gzinflate to inflate the payload'); 864 } 865 } elseif ($this->incoming_headers['content-encoding'] == 'gzip') { 866 if ($degzdata = @gzinflate(substr($data, 10))) { // do our best 867 $data = $degzdata; 868 $this->debug('The payload has been un-gzipped to ' . strlen($data) . ' bytes'); 869 if (strlen($data) < $datalen) { 870 // test for the case that the payload has been compressed twice 871 $this->debug('The un-gzipped payload is smaller than the gzipped one; try again'); 872 if ($degzdata = @gzinflate(substr($data, 10))) { 873 $data = $degzdata; 874 $this->debug('The payload has been un-gzipped again to ' . strlen($data) . ' bytes'); 875 } 876 } 877 } else { 878 $this->debug('Error using gzinflate to un-gzip the payload'); 879 $this->setError('Error using gzinflate to un-gzip the payload'); 880 } 881 } 882 //$timer->setMarker('finished decoding of gzip/deflated content'); 883 //print "<xmp>\nde-inflated:\n---------------\n$data\n-------------\n</xmp>"; 884 // set decoded payload 885 $this->incoming_payload = $header_data.$lb.$lb.$data; 886 } else { 887 $this->debug('The server sent compressed data. Your php install must have the Zlib extension compiled in to support this.'); 888 $this->setError('The server sent compressed data. Your php install must have the Zlib extension compiled in to support this.'); 889 } 890 } else { 891 $this->debug('Unsupported Content-Encoding ' . $this->incoming_headers['content-encoding']); 892 $this->setError('Unsupported Content-Encoding ' . $this->incoming_headers['content-encoding']); 893 } 894 } else { 895 $this->debug('No Content-Encoding header'); 896 } 897 898 if(strlen($data) == 0){ 899 $this->debug('no data after headers!'); 900 $this->setError('no data present after HTTP headers'); 901 return false; 902 } 903 904 return $data; 905 } 906 907 function setContentType($type, $charset = false) { 908 $this->outgoing_headers['Content-Type'] = $type . ($charset ? '; charset=' . $charset : ''); 909 $this->debug('set Content-Type: ' . $this->outgoing_headers['Content-Type']); 910 } 911 912 function usePersistentConnection(){ 913 if (isset($this->outgoing_headers['Accept-Encoding'])) { 914 return false; 915 } 916 $this->protocol_version = '1.1'; 917 $this->persistentConnection = true; 918 $this->outgoing_headers['Connection'] = 'Keep-Alive'; 919 $this->debug('set Connection: ' . $this->outgoing_headers['Connection']); 920 return true; 921 } 922 923 /** 924 * parse an incoming Cookie into it's parts 925 * 926 * @param string $cookie_str content of cookie 927 * @return array with data of that cookie 928 * @access private 929 */ 930 /* 931 * TODO: allow a Set-Cookie string to be parsed into multiple cookies 932 */ 933 function parseCookie($cookie_str) { 934 $cookie_str = str_replace('; ', ';', $cookie_str) . ';'; 935 $data = split(';', $cookie_str); 936 $value_str = $data[0]; 937 938 $cookie_param = 'domain='; 939 $start = strpos($cookie_str, $cookie_param); 940 if ($start > 0) { 941 $domain = substr($cookie_str, $start + strlen($cookie_param)); 942 $domain = substr($domain, 0, strpos($domain, ';')); 943 } else { 944 $domain = ''; 945 } 946 947 $cookie_param = 'expires='; 948 $start = strpos($cookie_str, $cookie_param); 949 if ($start > 0) { 950 $expires = substr($cookie_str, $start + strlen($cookie_param)); 951 $expires = substr($expires, 0, strpos($expires, ';')); 952 } else { 953 $expires = ''; 954 } 955 956 $cookie_param = 'path='; 957 $start = strpos($cookie_str, $cookie_param); 958 if ( $start > 0 ) { 959 $path = substr($cookie_str, $start + strlen($cookie_param)); 960 $path = substr($path, 0, strpos($path, ';')); 961 } else { 962 $path = '/'; 963 } 964 965 $cookie_param = ';secure;'; 966 if (strpos($cookie_str, $cookie_param) !== FALSE) { 967 $secure = true; 968 } else { 969 $secure = false; 970 } 971 972 $sep_pos = strpos($value_str, '='); 973 974 if ($sep_pos) { 975 $name = substr($value_str, 0, $sep_pos); 976 $value = substr($value_str, $sep_pos + 1); 977 $cookie= array( 'name' => $name, 978 'value' => $value, 979 'domain' => $domain, 980 'path' => $path, 981 'expires' => $expires, 982 'secure' => $secure 983 ); 984 return $cookie; 985 } 986 return false; 987 } 988 989 /** 990 * sort out cookies for the current request 991 * 992 * @param array $cookies array with all cookies 993 * @param boolean $secure is the send-content secure or not? 994 * @return string for Cookie-HTTP-Header 995 * @access private 996 */ 997 function getCookiesForRequest($cookies, $secure=false) { 998 $cookie_str = ''; 999 if ((! is_null($cookies)) && (is_array($cookies))) { 1000 foreach ($cookies as $cookie) { 1001 if (! is_array($cookie)) { 1002 continue; 1003 } 1004 $this->debug("check cookie for validity: ".$cookie['name'].'='.$cookie['value']); 1005 if ((isset($cookie['expires'])) && (! empty($cookie['expires']))) { 1006 if (strtotime($cookie['expires']) <= time()) { 1007 $this->debug('cookie has expired'); 1008 continue; 1009 } 1010 } 1011 if ((isset($cookie['domain'])) && (! empty($cookie['domain']))) { 1012 $domain = preg_quote($cookie['domain']); 1013 if (! preg_match("'.*$domain$'i", $this->host)) { 1014 $this->debug('cookie has different domain'); 1015 continue; 1016 } 1017 } 1018 if ((isset($cookie['path'])) && (! empty($cookie['path']))) { 1019 $path = preg_quote($cookie['path']); 1020 if (! preg_match("'^$path.*'i", $this->path)) { 1021 $this->debug('cookie is for a different path'); 1022 continue; 1023 } 1024 } 1025 if ((! $secure) && (isset($cookie['secure'])) && ($cookie['secure'])) { 1026 $this->debug('cookie is secure, transport is not'); 1027 continue; 1028 } 1029 $cookie_str .= $cookie['name'] . '=' . $cookie['value'] . '; '; 1030 $this->debug('add cookie to Cookie-String: ' . $cookie['name'] . '=' . $cookie['value']); 1031 } 1032 } 1033 return $cookie_str; 1034 } 1035 } 1036 1037 1038 ?>
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| Généré le : Mon Sep 10 13:53:24 2007 | par Balluche grâce à PHPXref 0.7 |