git.m6w6.name Git - m6w6/ext-http/blob - http_functions.c

   1 /*
   2    +----------------------------------------------------------------------+
   3    | PECL :: http                                                         |
   4    +----------------------------------------------------------------------+
   5    | This source file is subject to version 3.0 of the PHP license, that  |
   6    | is bundled with this package in the file LICENSE, and is available   |
   7    | through the world-wide-web at http://www.php.net/license/3_0.txt.    |
   8    | If you did not receive a copy of the PHP license and are unable to   |
   9    | obtain it through the world-wide-web, please send a note to          |
  10    | license@php.net so we can mail you a copy immediately.               |
  11    +----------------------------------------------------------------------+
  12    | Copyright (c) 2004-2005 Michael Wallner <mike@php.net>               |
  13    +----------------------------------------------------------------------+
  14 */
  15
  16 /* $Id$ */
  17
  18 #ifdef HAVE_CONFIG_H
  19 #       include "config.h"
  20 #endif
  21 #include "php.h"
  22
  23 #include "zend_operators.h"
  24
  25 #include "SAPI.h"
  26 #include "php_ini.h"
  27 #include "ext/standard/info.h"
  28 #include "ext/standard/php_string.h"
  29 #if defined(HAVE_PHP_SESSION) && !defined(COMPILE_DL_SESSION)
  30 #       include "ext/session/php_session.h"
  31 #endif
  32
  33 #include "php_http.h"
  34 #include "php_http_std_defs.h"
  35 #include "php_http_api.h"
  36 #include "php_http_request_api.h"
  37 #include "php_http_cache_api.h"
  38 #include "php_http_request_method_api.h"
  39 #include "php_http_request_api.h"
  40 #include "php_http_date_api.h"
  41 #include "php_http_headers_api.h"
  42 #include "php_http_message_api.h"
  43 #include "php_http_send_api.h"
  44 #include "php_http_url_api.h"
  45
  46 #include "phpstr/phpstr.h"
  47
  48 ZEND_EXTERN_MODULE_GLOBALS(http)
  49
  50 /* {{{ proto string http_date([int timestamp])
  51  *
  52  * Compose a valid HTTP date regarding RFC 822/1123
  53  * looking like: "Wed, 22 Dec 2004 11:34:47 GMT"
  54  *
  55  * Takes an optional unix timestamp as parameter.
  56  *
  57  * Returns the HTTP date as string.
  58  */
  59 PHP_FUNCTION(http_date)
  60 {
  61         long t = -1;
  62
  63         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &t) != SUCCESS) {
  64                 RETURN_FALSE;
  65         }
  66
  67         if (t == -1) {
  68                 t = (long) time(NULL);
  69         }
  70
  71         RETURN_STRING(http_date(t), 0);
  72 }
  73 /* }}} */
  74
  75 /* {{{ proto string http_build_uri(string url[, string proto[, string host[, int port]]])
  76  *
  77  * Build a complete URI according to the supplied parameters.
  78  *
  79  * If the url is already abolute but a different proto was supplied,
  80  * only the proto part of the URI will be updated.  If url has no
  81  * path specified, the path of the current REQUEST_URI will be taken.
  82  * The host will be taken either from the Host HTTP header of the client
  83  * the SERVER_NAME or just localhost if prior are not available.
  84  * If a port is pecified in either the url or as sperate parameter,
  85  * it will be added if it differs from te default port for HTTP(S).
  86  *
  87  * Returns the absolute URI as string.
  88  *
  89  * Examples:
  90  * <code>
  91  * <?php
  92  * $uri = http_build_uri("page.php", "https", NULL, 488);
  93  * ?>
  94  * </code>
  95  */
  96 PHP_FUNCTION(http_build_uri)
  97 {
  98         char *url = NULL, *proto = NULL, *host = NULL;
  99         int url_len = 0, proto_len = 0, host_len = 0;
 100         long port = 0;
 101
 102         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ssl", &url, &url_len, &proto, &proto_len, &host, &host_len, &port) != SUCCESS) {
 103                 RETURN_FALSE;
 104         }
 105
 106         RETURN_STRING(http_absolute_uri_ex(url, url_len, proto, proto_len, host, host_len, port), 0);
 107 }
 108 /* }}} */
 109
 110 #define HTTP_DO_NEGOTIATE(type, supported, rs_array) \
 111 { \
 112         HashTable *result; \
 113         if (result = http_negotiate_ ##type(supported)) { \
 114                 char *key; \
 115                 uint key_len; \
 116                 ulong idx; \
 117                  \
 118                 if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(result, &key, &key_len, &idx, 1, NULL)) { \
 119                         RETVAL_STRINGL(key, key_len-1, 0); \
 120                 } else { \
 121                         RETVAL_NULL(); \
 122                 } \
 123                 \
 124                 if (rs_array) { \
 125                         zend_hash_copy(Z_ARRVAL_P(rs_array), result, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *)); \
 126                 } \
 127                 \
 128                 zend_hash_destroy(result); \
 129                 FREE_HASHTABLE(result); \
 130                 \
 131         } else { \
 132                 zval **value; \
 133                  \
 134                 zend_hash_internal_pointer_reset(Z_ARRVAL_P(supported)); \
 135                 if (SUCCESS == zend_hash_get_current_data(Z_ARRVAL_P(supported), (void **) &value)) { \
 136                         RETVAL_ZVAL(*value, 1, 0); \
 137                 } else { \
 138                         RETVAL_NULL(); \
 139                 } \
 140                 \
 141                 if (rs_array) { \
 142                         zval **value; \
 143                          \
 144                         FOREACH_VAL(supported, value) { \
 145                                 convert_to_string_ex(value); \
 146                                 add_assoc_double(rs_array, Z_STRVAL_PP(value), 1.0); \
 147                         } \
 148                 } \
 149         } \
 150 }
 151
 152
 153 /* {{{ proto string http_negotiate_language(array supported[, array &result])
 154  *
 155  * This function negotiates the clients preferred language based on its
 156  * Accept-Language HTTP header.  The qualifier is recognized and languages
 157  * without qualifier are rated highest.  The qualifier will be decreased by
 158  * 10% for partial matches (i.e. matching primary language).
 159  *
 160  * Expects an array as parameter cotaining the supported languages as values.
 161  * If the optional second parameter is supplied, it will be filled with an
 162  * array containing the negotiation results.
 163  *
 164  * Returns the negotiated language or the default language (i.e. first array entry)
 165  * if none match.
 166  *
 167  * Example:
 168  * <pre>
 169  * <?php
 170  * $langs = array(
 171  *              'en-US',// default
 172  *              'fr',
 173  *              'fr-FR',
 174  *              'de',
 175  *              'de-DE',
 176  *              'de-AT',
 177  *              'de-CH',
 178  * );
 179  *
 180  * include './langs/'. http_negotiate_language($langs, $result) .'.php';
 181  *
 182  * print_r($result);
 183  * ?>
 184  * </pre>
 185  */
 186 PHP_FUNCTION(http_negotiate_language)
 187 {
 188         zval *supported, *rs_array = NULL;
 189
 190         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|z", &supported, &rs_array) != SUCCESS) {
 191                 RETURN_FALSE;
 192         }
 193
 194         if (rs_array) {
 195                 zval_dtor(rs_array);
 196                 array_init(rs_array);
 197         }
 198
 199         HTTP_DO_NEGOTIATE(language, supported, rs_array);
 200 }
 201 /* }}} */
 202
 203 /* {{{ proto string http_negotiate_charset(array supported[, array &result])
 204  *
 205  * This function negotiates the clients preferred charset based on its
 206  * Accept-Charset HTTP header.  The qualifier is recognized and charsets
 207  * without qualifier are rated highest.
 208  *
 209  * Expects an array as parameter cotaining the supported charsets as values.
 210  * If the optional second parameter is supplied, it will be filled with an
 211  * array containing the negotiation results.
 212  *
 213  * Returns the negotiated charset or the default charset (i.e. first array entry)
 214  * if none match.
 215  *
 216  * Example:
 217  * <pre>
 218  * <?php
 219  * $charsets = array(
 220  *              'iso-8859-1', // default
 221  *              'iso-8859-2',
 222  *              'iso-8859-15',
 223  *              'utf-8'
 224  * );
 225  *
 226  * $pref = http_negotiate_charset($charsets, $result);
 227  *
 228  * if (strcmp($pref, 'iso-8859-1')) {
 229  *              iconv_set_encoding('internal_encoding', 'iso-8859-1');
 230  *              iconv_set_encoding('output_encoding', $pref);
 231  *              ob_start('ob_iconv_handler');
 232  * }
 233  *
 234  * print_r($result);
 235  * ?>
 236  * </pre>
 237  */
 238 PHP_FUNCTION(http_negotiate_charset)
 239 {
 240         zval *supported, *rs_array = NULL;
 241
 242         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|z", &supported, &rs_array) != SUCCESS) {
 243                 RETURN_FALSE;
 244         }
 245
 246         if (rs_array) {
 247                 zval_dtor(rs_array);
 248                 array_init(rs_array);
 249         }
 250
 251         HTTP_DO_NEGOTIATE(charset, supported, rs_array);
 252 }
 253 /* }}} */
 254
 255 /* {{{ proto bool http_send_status(int status)
 256  *
 257  * Send HTTP status code.
 258  *
 259  * Expects an HTTP status code as parameter.
 260  *
 261  * Returns TRUE on success or FALSE on failure.
 262  */
 263 PHP_FUNCTION(http_send_status)
 264 {
 265         int status = 0;
 266
 267         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status) != SUCCESS) {
 268                 RETURN_FALSE;
 269         }
 270         if (status < 100 || status > 510) {
 271                 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Invalid HTTP status code (100-510): %d", status);
 272                 RETURN_FALSE;
 273         }
 274
 275         RETURN_SUCCESS(http_send_status(status));
 276 }
 277 /* }}} */
 278
 279 /* {{{ proto bool http_send_last_modified([int timestamp])
 280  *
 281  * Send a "Last-Modified" header with a valid HTTP date.
 282  *
 283  * Accepts a unix timestamp, converts it to a valid HTTP date and
 284  * sends it as "Last-Modified" HTTP header.  If timestamp is
 285  * omitted, the current time will be sent.
 286  *
 287  * Returns TRUE on success or FALSE on failure.
 288  */
 289 PHP_FUNCTION(http_send_last_modified)
 290 {
 291         long t = -1;
 292
 293         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &t) != SUCCESS) {
 294                 RETURN_FALSE;
 295         }
 296
 297         if (t == -1) {
 298                 t = (long) time(NULL);
 299         }
 300
 301         RETURN_SUCCESS(http_send_last_modified(t));
 302 }
 303 /* }}} */
 304
 305 /* {{{ proto bool http_send_content_type([string content_type = 'application/x-octetstream'])
 306  *
 307  * Send the Content-Type of the sent entity.  This is particularly important
 308  * if you use the http_send() API.
 309  *
 310  * Accepts an optional string parameter containing the desired content type
 311  * (primary/secondary).
 312  *
 313  * Returns TRUE on success or FALSE on failure.
 314  */
 315 PHP_FUNCTION(http_send_content_type)
 316 {
 317         char *ct = "application/x-octetstream";
 318         int ct_len = lenof("application/x-octetstream");
 319
 320         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &ct, &ct_len) != SUCCESS) {
 321                 RETURN_FALSE;
 322         }
 323
 324         RETURN_SUCCESS(http_send_content_type(ct, ct_len));
 325 }
 326 /* }}} */
 327
 328 /* {{{ proto bool http_send_content_disposition(string filename[, bool inline = false])
 329  *
 330  * Send the Content-Disposition.  The Content-Disposition header is very useful
 331  * if the data actually sent came from a file or something similar, that should
 332  * be "saved" by the client/user (i.e. by browsers "Save as..." popup window).
 333  *
 334  * Expects a string parameter specifying the file name the "Save as..." dialogue
 335  * should display.  Optionally accepts a bool parameter, which, if set to true
 336  * and the user agent knows how to handle the content type, will probably not
 337  * cause the popup window to be shown.
 338  *
 339  * Returns TRUE on success or FALSE on failure.
 340  */
 341 PHP_FUNCTION(http_send_content_disposition)
 342 {
 343         char *filename;
 344         int f_len;
 345         zend_bool send_inline = 0;
 346
 347         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &filename, &f_len, &send_inline) != SUCCESS) {
 348                 RETURN_FALSE;
 349         }
 350         RETURN_SUCCESS(http_send_content_disposition(filename, f_len, send_inline));
 351 }
 352 /* }}} */
 353
 354 /* {{{ proto bool http_match_modified([int timestamp[, bool for_range = false]])
 355  *
 356  * Matches the given unix timestamp against the clients "If-Modified-Since"
 357  * resp. "If-Unmodified-Since" HTTP headers.
 358  *
 359  * Accepts a unix timestamp which should be matched.  Optionally accepts an
 360  * additional bool parameter, which if set to true will check the header
 361  * usually used to validate HTTP ranges.  If timestamp is omitted, the
 362  * current time will be used.
 363  *
 364  * Returns TRUE if timestamp represents an earlier date than the header,
 365  * else FALSE.
 366  */
 367 PHP_FUNCTION(http_match_modified)
 368 {
 369         long t = -1;
 370         zend_bool for_range = 0;
 371
 372         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lb", &t, &for_range) != SUCCESS) {
 373                 RETURN_FALSE;
 374         }
 375
 376         // current time if not supplied (senseless though)
 377         if (t == -1) {
 378                 t = (long) time(NULL);
 379         }
 380
 381         if (for_range) {
 382                 RETURN_BOOL(http_match_last_modified("HTTP_IF_UNMODIFIED_SINCE", t));
 383         }
 384         RETURN_BOOL(http_match_last_modified("HTTP_IF_MODIFIED_SINCE", t));
 385 }
 386 /* }}} */
 387
 388 /* {{{ proto bool http_match_etag(string etag[, bool for_range = false])
 389  *
 390  * Matches the given ETag against the clients "If-Match" resp.
 391  * "If-None-Match" HTTP headers.
 392  *
 393  * Expects a string parameter containing the ETag to compare.  Optionally
 394  * accepts a bool parameter, which, if set to true, will check the header
 395  * usually used to validate HTTP ranges.
 396  *
 397  * Retuns TRUE if ETag matches or the header contained the asterisk ("*"),
 398  * else FALSE.
 399  */
 400 PHP_FUNCTION(http_match_etag)
 401 {
 402         int etag_len;
 403         char *etag;
 404         zend_bool for_range = 0;
 405
 406         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &etag, &etag_len, &for_range) != SUCCESS) {
 407                 RETURN_FALSE;
 408         }
 409
 410         if (for_range) {
 411                 RETURN_BOOL(http_match_etag("HTTP_IF_MATCH", etag));
 412         }
 413         RETURN_BOOL(http_match_etag("HTTP_IF_NONE_MATCH", etag));
 414 }
 415 /* }}} */
 416
 417 /* {{{ proto bool http_cache_last_modified([int timestamp_or_expires]])
 418  *
 419  * Attempts to cache the sent entity by its last modification date.
 420  *
 421  * Accepts a unix timestamp as parameter which is handled as follows:
 422  *
 423  * If timestamp_or_expires is greater than 0, it is handled as timestamp
 424  * and will be sent as date of last modification.  If it is 0 or omitted,
 425  * the current time will be sent as Last-Modified date.  If it's negative,
 426  * it is handled as expiration time in seconds, which means that if the
 427  * requested last modification date is not between the calculated timespan,
 428  * the Last-Modified header is updated and the actual body will be sent.
 429  *
 430  * Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
 431  *
 432  * A log entry will be written to the cache log if the INI entry
 433  * http.cache_log is set and the cache attempt was successful.
 434  */
 435 PHP_FUNCTION(http_cache_last_modified)
 436 {
 437         long last_modified = 0, send_modified = 0, t;
 438         zval *zlm;
 439
 440         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &last_modified) != SUCCESS) {
 441                 RETURN_FALSE;
 442         }
 443
 444         t = (long) time(NULL);
 445
 446         /* 0 or omitted */
 447         if (!last_modified) {
 448                 /* does the client have? (att: caching "forever") */
 449                 if (zlm = http_get_server_var("HTTP_IF_MODIFIED_SINCE")) {
 450                         last_modified = send_modified = http_parse_date(Z_STRVAL_P(zlm));
 451                 /* send current time */
 452                 } else {
 453                         send_modified = t;
 454                 }
 455         /* negative value is supposed to be expiration time */
 456         } else if (last_modified < 0) {
 457                 last_modified += t;
 458                 send_modified  = t;
 459         /* send supplied time explicitly */
 460         } else {
 461                 send_modified = last_modified;
 462         }
 463
 464         RETURN_SUCCESS(http_cache_last_modified(last_modified, send_modified, HTTP_DEFAULT_CACHECONTROL, lenof(HTTP_DEFAULT_CACHECONTROL)));
 465 }
 466 /* }}} */
 467
 468 /* {{{ proto bool http_cache_etag([string etag])
 469  *
 470  * Attempts to cache the sent entity by its ETag, either supplied or generated
 471  * by the hash algorythm specified by the INI setting "http.etag_mode".
 472  *
 473  * If the clients "If-None-Match" header matches the supplied/calculated
 474  * ETag, the body is considered cached on the clients side and
 475  * a "304 Not Modified" status code is issued.
 476  *
 477  * Returns FALSE on failure, or *exits* with "304 Not Modified" if the entity is cached.
 478  *
 479  * A log entry is written to the cache log if the INI entry
 480  * "http.cache_log" is set and the cache attempt was successful.
 481  */
 482 PHP_FUNCTION(http_cache_etag)
 483 {
 484         char *etag = NULL;
 485         int etag_len = 0;
 486
 487         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &etag, &etag_len) != SUCCESS) {
 488                 RETURN_FALSE;
 489         }
 490
 491         RETURN_SUCCESS(http_cache_etag(etag, etag_len, HTTP_DEFAULT_CACHECONTROL, lenof(HTTP_DEFAULT_CACHECONTROL)));
 492 }
 493 /* }}} */
 494
 495 /* {{{ proto string ob_etaghandler(string data, int mode)
 496  *
 497  * For use with ob_start().  Output buffer handler generating an ETag with
 498  * the hash algorythm specified with the INI setting "http.etag_mode".
 499  */
 500 PHP_FUNCTION(ob_etaghandler)
 501 {
 502         char *data;
 503         int data_len;
 504         long mode;
 505
 506         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &data, &data_len, &mode)) {
 507                 RETURN_FALSE;
 508         }
 509
 510         Z_TYPE_P(return_value) = IS_STRING;
 511         http_ob_etaghandler(data, data_len, &Z_STRVAL_P(return_value), (uint *) &Z_STRLEN_P(return_value), mode);
 512 }
 513 /* }}} */
 514
 515 /* {{{ proto void http_throttle(double sec[, int bytes = 2097152])
 516  *
 517  * Sets the throttle delay and send buffer size for use with http_send() API.
 518  * Provides a basic throttling mechanism, which will yield the current process
 519  * resp. thread until the entity has been completely sent, though.
 520  *
 521  * Note: This doesn't really work with the FastCGI SAPI.
 522  *
 523  * Expects a double parameter specifying the seconds too sleep() after
 524  * each chunk sent.  Additionally accepts an optional int parameter
 525  * representing the chunk size in bytes.
 526  *
 527  * Example:
 528  * <pre>
 529  * <?php
 530  * // ~ 20 kbyte/s
 531  * # http_throttle(1, 20000);
 532  * # http_throttle(0.5, 10000);
 533  * # http_throttle(0.1, 2000);
 534  * http_send_file('document.pdf');
 535  * ?>
 536  * </pre>
 537  */
 538 PHP_FUNCTION(http_throttle)
 539 {
 540         long chunk_size = HTTP_SENDBUF_SIZE;
 541         double interval;
 542
 543         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "d|l", &interval, &chunk_size)) {
 544                 return;
 545         }
 546
 547         HTTP_G(send).throttle_delay = interval;
 548         HTTP_G(send).buffer_size = chunk_size;
 549 }
 550 /* }}} */
 551
 552 /* {{{ proto void http_redirect([string url[, array params[, bool session = false[, int status = 302]]]])
 553  *
 554  * Redirect to the given url.
 555  *
 556  * The supplied url will be expanded with http_build_uri(), the params array will
 557  * be treated with http_build_query() and the session identification will be appended
 558  * if session is true.
 559  *
 560  * The HTTP response code will be set according to status.
 561  * You can use one of the following constants for convenience:
 562  *  - HTTP_REDIRECT                     302 Found
 563  *  - HTTP_REDIRECT_PERM        301 Moved Permanently
 564  *  - HTTP_REDIRECT_POST        303 See Other
 565  *  - HTTP_REDIRECT_TEMP        307 Temporary Redirect
 566  *
 567  * Please see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3
 568  * for which redirect response code to use in which situation.
 569  *
 570  * To be RFC compliant, "Redirecting to <a>URI</a>." will be displayed,
 571  * if the client doesn't redirect immediatly, and the request method was
 572  * another one than HEAD.
 573  *
 574  * Returns FALSE on failure, or *exits* on success.
 575  *
 576  * A log entry will be written to the redirect log, if the INI entry
 577  * "http.redirect_log" is set and the redirect attempt was successful.
 578  */
 579 PHP_FUNCTION(http_redirect)
 580 {
 581         int url_len;
 582         size_t query_len = 0;
 583         zend_bool session = 0, free_params = 0;
 584         zval *params = NULL;
 585         long status = 302;
 586         char *query = NULL, *url = NULL, *URI, *LOC, *RED = NULL;
 587
 588         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sa!/bl", &url, &url_len, &params, &session, &status) != SUCCESS) {
 589                 RETURN_FALSE;
 590         }
 591
 592         /* append session info */
 593         if (session) {
 594                 if (!params) {
 595                         free_params = 1;
 596                         MAKE_STD_ZVAL(params);
 597                         array_init(params);
 598                 }
 599 #ifdef HAVE_PHP_SESSION
 600 #       ifdef COMPILE_DL_SESSION
 601                 if (SUCCESS == zend_get_module_started("session")) {
 602                         zval nm_retval, id_retval, func;
 603
 604                         INIT_PZVAL(&func);
 605                         INIT_PZVAL(&nm_retval);
 606                         INIT_PZVAL(&id_retval);
 607                         ZVAL_NULL(&nm_retval);
 608                         ZVAL_NULL(&id_retval);
 609
 610                         ZVAL_STRINGL(&func, "session_id", lenof("session_id"), 0);
 611                         call_user_function(EG(function_table), NULL, &func, &id_retval, 0, NULL TSRMLS_CC);
 612                         ZVAL_STRINGL(&func, "session_name", lenof("session_name"), 0);
 613                         call_user_function(EG(function_table), NULL, &func, &nm_retval, 0, NULL TSRMLS_CC);
 614
 615                         if (    Z_TYPE(nm_retval) == IS_STRING && Z_STRLEN(nm_retval) &&
 616                                         Z_TYPE(id_retval) == IS_STRING && Z_STRLEN(id_retval)) {
 617                                 if (add_assoc_stringl_ex(params, Z_STRVAL(nm_retval), Z_STRLEN(nm_retval)+1,
 618                                                 Z_STRVAL(id_retval), Z_STRLEN(id_retval), 0) != SUCCESS) {
 619                                         http_error(HE_WARNING, HTTP_E_RUNTIME, "Could not append session information");
 620                                 }
 621                         }
 622                 }
 623 #       else
 624                 if (PS(session_status) == php_session_active) {
 625                         if (add_assoc_string(params, PS(session_name), PS(id), 1) != SUCCESS) {
 626                                 http_error(HE_WARNING, HTTP_E_RUNTIME, "Could not append session information");
 627                         }
 628                 }
 629 #       endif
 630 #endif
 631         }
 632
 633         /* treat params array with http_build_query() */
 634         if (params) {
 635                 if (SUCCESS != http_urlencode_hash_ex(Z_ARRVAL_P(params), 0, NULL, 0, &query, &query_len)) {
 636                         if (free_params) {
 637                                 zval_dtor(params);
 638                                 FREE_ZVAL(params);
 639                         }
 640                         if (query) {
 641                                 efree(query);
 642                         }
 643                         RETURN_FALSE;
 644                 }
 645         }
 646
 647         URI = http_absolute_uri(url);
 648
 649         if (query_len) {
 650                 spprintf(&LOC, 0, "Location: %s?%s", URI, query);
 651                 if (SG(request_info).request_method && strcmp(SG(request_info).request_method, "HEAD")) {
 652                         spprintf(&RED, 0, "Redirecting to <a href=\"%s?%s\">%s?%s</a>.\n", URI, query, URI, query);
 653                 }
 654         } else {
 655                 spprintf(&LOC, 0, "Location: %s", URI);
 656                 if (SG(request_info).request_method && strcmp(SG(request_info).request_method, "HEAD")) {
 657                         spprintf(&RED, 0, "Redirecting to <a href=\"%s\">%s</a>.\n", URI, URI);
 658                 }
 659         }
 660
 661         efree(URI);
 662         if (query) {
 663                 efree(query);
 664         }
 665         if (free_params) {
 666                 zval_dtor(params);
 667                 FREE_ZVAL(params);
 668         }
 669
 670         RETURN_SUCCESS(http_exit_ex(status, LOC, RED, 1));
 671 }
 672 /* }}} */
 673
 674 /* {{{ proto bool http_send_data(string data)
 675  *
 676  * Sends raw data with support for (multiple) range requests.
 677  *
 678  * Retursn TRUE on success, or FALSE on failure.
 679  */
 680 PHP_FUNCTION(http_send_data)
 681 {
 682         zval *zdata;
 683
 684         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zdata) != SUCCESS) {
 685                 RETURN_FALSE;
 686         }
 687
 688         convert_to_string_ex(&zdata);
 689         RETURN_SUCCESS(http_send_data(Z_STRVAL_P(zdata), Z_STRLEN_P(zdata)));
 690 }
 691 /* }}} */
 692
 693 /* {{{ proto bool http_send_file(string file)
 694  *
 695  * Sends a file with support for (multiple) range requests.
 696  *
 697  * Expects a string parameter referencing the file to send.
 698  *
 699  * Returns TRUE on success, or FALSE on failure.
 700  */
 701 PHP_FUNCTION(http_send_file)
 702 {
 703         char *file;
 704         int flen = 0;
 705
 706         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &file, &flen) != SUCCESS) {
 707                 RETURN_FALSE;
 708         }
 709         if (!flen) {
 710                 RETURN_FALSE;
 711         }
 712
 713         RETURN_SUCCESS(http_send_file(file));
 714 }
 715 /* }}} */
 716
 717 /* {{{ proto bool http_send_stream(resource stream)
 718  *
 719  * Sends an already opened stream with support for (multiple) range requests.
 720  *
 721  * Expects a resource parameter referncing the stream to read from.
 722  *
 723  * Returns TRUE on success, or FALSE on failure.
 724  */
 725 PHP_FUNCTION(http_send_stream)
 726 {
 727         zval *zstream;
 728         php_stream *file;
 729
 730         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zstream) != SUCCESS) {
 731                 RETURN_FALSE;
 732         }
 733
 734         php_stream_from_zval(file, &zstream);
 735         RETURN_SUCCESS(http_send_stream(file));
 736 }
 737 /* }}} */
 738
 739 /* {{{ proto string http_chunked_decode(string encoded)
 740  *
 741  * Decodes a string that was HTTP-chunked encoded.
 742  *
 743  * Expects a chunked encoded string as parameter.
 744  *
 745  * Returns the decoded string on success or FALSE on failure.
 746  */
 747 PHP_FUNCTION(http_chunked_decode)
 748 {
 749         char *encoded = NULL, *decoded = NULL;
 750         size_t decoded_len = 0;
 751         int encoded_len = 0;
 752
 753         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &encoded, &encoded_len) != SUCCESS) {
 754                 RETURN_FALSE;
 755         }
 756
 757         if (NULL != http_chunked_decode(encoded, encoded_len, &decoded, &decoded_len)) {
 758                 RETURN_STRINGL(decoded, (int) decoded_len, 0);
 759         } else {
 760                 RETURN_FALSE;
 761         }
 762 }
 763 /* }}} */
 764
 765 /* {{{ proto object http_parse_message(string message)
 766  *
 767  * Parses (a) http_message(s) into a simple recursive object structure.
 768  *
 769  * Expects a string parameter containing a single HTTP message or
 770  * several consecutive HTTP messages.
 771  *
 772  * Returns an hierachical object structure of the parsed messages.
 773  *
 774  * Example:
 775  * <pre>
 776  * <?php
 777  * print_r(http_parse_message(http_get(URL, array('redirect' => 3)));
 778  *
 779  * stdClass object
 780  * (
 781  *     [type] => 2
 782  *     [httpVersion] => 1.1
 783  *     [responseCode] => 200
 784  *     [headers] => Array
 785  *         (
 786  *             [Content-Length] => 3
 787  *             [Server] => Apache
 788  *         )
 789  *     [body]  => Hi!
 790  *     [parentMessage] => stdClass object
 791  *     (
 792  *         [type] => 2
 793  *         [httpVersion] => 1.1
 794  *         [responseCode] => 302
 795  *         [headers] => Array
 796  *             (
 797  *                 [Content-Length] => 0
 798  *                 [Location] => ...
 799  *             )
 800  *         [body]  =>
 801  *         [parentMessage] => ...
 802  *     )
 803  * )
 804  * ?>
 805  * </pre>
 806  */
 807 PHP_FUNCTION(http_parse_message)
 808 {
 809         char *message;
 810         int message_len;
 811         http_message *msg = NULL;
 812
 813         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &message, &message_len)) {
 814                 RETURN_NULL();
 815         }
 816
 817         if (msg = http_message_parse(message, message_len)) {
 818                 object_init(return_value);
 819                 http_message_tostruct_recursive(msg, return_value);
 820                 http_message_free(&msg);
 821         } else {
 822                 RETURN_NULL();
 823         }
 824 }
 825 /* }}} */
 826
 827 /* {{{ proto array http_parse_headers(string header)
 828  *
 829  * Parses HTTP headers into an associative array.
 830  *
 831  * Expects a string parameter containing HTTP headers.
 832  *
 833  * Returns an array on success, or FALSE on failure.
 834  *
 835  * Example:
 836  * <pre>
 837  * <?php
 838  * $headers = "content-type: text/html; charset=UTF-8\r\n".
 839  *            "Server: Funky/1.0\r\n".
 840  *            "Set-Cookie: foo=bar\r\n".
 841  *            "Set-Cookie: baz=quux\r\n".
 842  *            "Folded: works\r\n\ttoo\r\n";
 843  * print_r(http_parse_headers($headers));
 844  *
 845  * Array
 846  * (
 847  *     [Content-Type] => text/html; chatset=UTF-8
 848  *     [Server] => Funky/1.0
 849  *     [Set-Cookie] => Array
 850  *         (
 851  *             [0] => foo=bar
 852  *             [1] => baz=quux
 853  *         )
 854  *     [Folded] => works
 855  *         too
 856  * ?>
 857  * </pre>
 858  */
 859 PHP_FUNCTION(http_parse_headers)
 860 {
 861         char *header;
 862         int header_len;
 863
 864         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &header, &header_len)) {
 865                 RETURN_FALSE;
 866         }
 867
 868         array_init(return_value);
 869         if (SUCCESS != http_parse_headers(header, return_value)) {
 870                 zval_dtor(return_value);
 871                 RETURN_FALSE;
 872         }
 873 }
 874 /* }}}*/
 875
 876 /* {{{ proto array http_get_request_headers(void)
 877  *
 878  * Get a list of incoming HTTP headers.
 879  *
 880  * Returns an associative array of incoming request headers.
 881  */
 882 PHP_FUNCTION(http_get_request_headers)
 883 {
 884         NO_ARGS;
 885
 886         array_init(return_value);
 887         http_get_request_headers(return_value);
 888 }
 889 /* }}} */
 890
 891 /* {{{ proto string http_get_request_body(void)
 892  *
 893  * Get the raw request body (e.g. POST or PUT data).
 894  *
 895  * Returns NULL when using the CLI SAPI.
 896  */
 897 PHP_FUNCTION(http_get_request_body)
 898 {
 899         char *body;
 900         size_t length;
 901
 902         NO_ARGS;
 903
 904         if (SUCCESS == http_get_request_body(&body, &length)) {
 905                 RETURN_STRINGL(body, (int) length, 0);
 906         } else {
 907                 RETURN_NULL();
 908         }
 909 }
 910 /* }}} */
 911
 912 /* {{{ proto bool http_match_request_header(string header, string value[, bool match_case = false])
 913  *
 914  * Match an incoming HTTP header.
 915  *
 916  * Expects two string parameters representing the header name (case-insensitive)
 917  * and the header value that should be compared.  The case sensitivity of the
 918  * header value depends on the additional optional bool parameter accepted.
 919  *
 920  * Returns TRUE if header value matches, else FALSE.
 921  */
 922 PHP_FUNCTION(http_match_request_header)
 923 {
 924         char *header, *value;
 925         int header_len, value_len;
 926         zend_bool match_case = 0;
 927
 928         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|b", &header, &header_len, &value, &value_len, &match_case)) {
 929                 RETURN_FALSE;
 930         }
 931
 932         RETURN_BOOL(http_match_request_header_ex(header, value, match_case));
 933 }
 934 /* }}} */
 935
 936 /* {{{ HAVE_CURL */
 937 #ifdef HTTP_HAVE_CURL
 938
 939 /* {{{ proto string http_get(string url[, array options[, array &info]])
 940  *
 941  * Performs an HTTP GET request on the supplied url.
 942  *
 943  * The second parameter, if set, is expected to be an associative
 944  * array where the following keys will be recognized:
 945  * <pre>
 946  *  - redirect:         int, whether and how many redirects to follow
 947  *  - unrestrictedauth: bool, whether to continue sending credentials on
 948  *                      redirects to a different host
 949  *  - proxyhost:        string, proxy host in "host[:port]" format
 950  *  - proxyport:        int, use another proxy port as specified in proxyhost
 951  *  - proxyauth:        string, proxy credentials in "user:pass" format
 952  *  - proxyauthtype:    int, HTTP_AUTH_BASIC and/or HTTP_AUTH_NTLM
 953  *  - httpauth:         string, http credentials in "user:pass" format
 954  *  - httpauthtype:     int, HTTP_AUTH_BASIC, DIGEST and/or NTLM
 955  *  - compress:         bool, whether to allow gzip/deflate content encoding
 956  *                      (defaults to true)
 957  *  - port:             int, use another port as specified in the url
 958  *  - referer:          string, the referer to sends
 959  *  - useragent:        string, the user agent to send
 960  *                      (defaults to PECL::HTTP/version (PHP/version)))
 961  *  - headers:          array, list of custom headers as associative array
 962  *                      like array("header" => "value")
 963  *  - cookies:          array, list of cookies as associative array
 964  *                      like array("cookie" => "value")
 965  *  - cookiestore:      string, path to a file where cookies are/will be stored
 966  *  - resume:           int, byte offset to start the download from;
 967  *                      if the server supports ranges
 968  *  - maxfilesize:      int, maximum file size that should be downloaded;
 969  *                      has no effect, if the size of the requested entity is not known
 970  *  - lastmodified:     int, timestamp for If-(Un)Modified-Since header
 971  *  - timeout:          int, seconds the request may take
 972  *  - connecttimeout:   int, seconds the connect may take
 973  *  - onprogress:       mixed, progress callback
 974  * </pre>
 975  *
 976  * The optional third parameter will be filled with some additional information
 977  * in form af an associative array, if supplied, like the following example:
 978  * <pre>
 979  * <?php
 980  * array (
 981  *     'effective_url' => 'http://localhost',
 982  *     'response_code' => 403,
 983  *     'total_time' => 0.017,
 984  *     'namelookup_time' => 0.013,
 985  *     'connect_time' => 0.014,
 986  *     'pretransfer_time' => 0.014,
 987  *     'size_upload' => 0,
 988  *     'size_download' => 202,
 989  *     'speed_download' => 11882,
 990  *     'speed_upload' => 0,
 991  *     'header_size' => 145,
 992  *     'request_size' => 62,
 993  *     'ssl_verifyresult' => 0,
 994  *     'filetime' => -1,
 995  *     'content_length_download' => 202,
 996  *     'content_length_upload' => 0,
 997  *     'starttransfer_time' => 0.017,
 998  *     'content_type' => 'text/html; charset=iso-8859-1',
 999  *     'redirect_time' => 0,
1000  *     'redirect_count' => 0,
1001  *     'http_connectcode' => 0,
1002  *     'httpauth_avail' => 0,
1003  *     'proxyauth_avail' => 0,
1004  * )
1005  * ?>
1006  * </pre>
1007  *
1008  * Returns the HTTP response(s) as string on success, or FALSE on failure.
1009  */
1010 PHP_FUNCTION(http_get)
1011 {
1012         zval *options = NULL, *info = NULL;
1013         char *URL;
1014         int URL_len;
1015         phpstr response;
1016
1017         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a/!z", &URL, &URL_len, &options, &info) != SUCCESS) {
1018                 RETURN_FALSE;
1019         }
1020
1021         if (info) {
1022                 zval_dtor(info);
1023                 array_init(info);
1024         }
1025
1026         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1027         if (SUCCESS == http_get(URL, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1028                 RETURN_PHPSTR_VAL(&response);
1029         } else {
1030                 RETURN_FALSE;
1031         }
1032 }
1033 /* }}} */
1034
1035 /* {{{ proto string http_head(string url[, array options[, array &info]])
1036  *
1037  * Performs an HTTP HEAD request on the supplied url.
1038  *
1039  * See http_get() for a full list of available parameters and options.
1040  *
1041  * Returns the HTTP response as string on success, or FALSE on failure.
1042  */
1043 PHP_FUNCTION(http_head)
1044 {
1045         zval *options = NULL, *info = NULL;
1046         char *URL;
1047         int URL_len;
1048         phpstr response;
1049
1050         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a/!z", &URL, &URL_len, &options, &info) != SUCCESS) {
1051                 RETURN_FALSE;
1052         }
1053
1054         if (info) {
1055                 zval_dtor(info);
1056                 array_init(info);
1057         }
1058
1059         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1060         if (SUCCESS == http_head(URL, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1061                 RETURN_PHPSTR_VAL(&response);
1062         } else {
1063                 RETURN_FALSE;
1064         }
1065 }
1066 /* }}} */
1067
1068 /* {{{ proto string http_post_data(string url, string data[, array options[, array &info]])
1069  *
1070  * Performs an HTTP POST requeston the supplied url.
1071  *
1072  * Expects a string as second parameter containing the pre-encoded post data.
1073  * See http_get() for a full list of available parameters and options.
1074  *
1075  * Returns the HTTP response(s) as string on success, or FALSE on failure.
1076  */
1077 PHP_FUNCTION(http_post_data)
1078 {
1079         zval *options = NULL, *info = NULL;
1080         char *URL, *postdata;
1081         int postdata_len, URL_len;
1082         phpstr response;
1083         http_request_body body;
1084
1085         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a/!z", &URL, &URL_len, &postdata, &postdata_len, &options, &info) != SUCCESS) {
1086                 RETURN_FALSE;
1087         }
1088
1089         if (info) {
1090                 zval_dtor(info);
1091                 array_init(info);
1092         }
1093
1094         body.type = HTTP_REQUEST_BODY_CSTRING;
1095         body.data = postdata;
1096         body.size = postdata_len;
1097
1098         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1099         if (SUCCESS == http_post(URL, &body, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1100                 RETVAL_PHPSTR_VAL(&response);
1101         } else {
1102                 RETVAL_FALSE;
1103         }
1104 }
1105 /* }}} */
1106
1107 /* {{{ proto string http_post_fields(string url, array data[, array files[, array options[, array &info]]])
1108  *
1109  * Performs an HTTP POST request on the supplied url.
1110  *
1111  * Expecrs an associative array as second parameter, which will be
1112  * www-form-urlencoded. See http_get() for a full list of available options.
1113  *
1114  * Returns the HTTP response(s) as string on success, or FALSE on failure.
1115  */
1116 PHP_FUNCTION(http_post_fields)
1117 {
1118         zval *options = NULL, *info = NULL, *fields, *files = NULL;
1119         char *URL;
1120         int URL_len;
1121         phpstr response;
1122         http_request_body body;
1123
1124         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa|aa/!z", &URL, &URL_len, &fields, &files, &options, &info) != SUCCESS) {
1125                 RETURN_FALSE;
1126         }
1127
1128         if (SUCCESS != http_request_body_fill(&body, Z_ARRVAL_P(fields), files ? Z_ARRVAL_P(files) : NULL)) {
1129                 RETURN_FALSE;
1130         }
1131
1132         if (info) {
1133                 zval_dtor(info);
1134                 array_init(info);
1135         }
1136
1137         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1138         if (SUCCESS == http_post(URL, &body, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1139                 RETVAL_PHPSTR_VAL(&response);
1140         } else {
1141                 RETVAL_FALSE;
1142         }
1143         http_request_body_dtor(&body);
1144 }
1145 /* }}} */
1146
1147 /* {{{ proto string http_put_file(string url, string file[, array options[, array &info]])
1148  *
1149  * Performs an HTTP PUT request on the supplied url.
1150  *
1151  * Expects the second parameter to be a string referncing the file to upload.
1152  * See http_get() for a full list of available options.
1153  *
1154  * Returns the HTTP response(s) as string on success, or FALSE on failure.
1155  */
1156 PHP_FUNCTION(http_put_file)
1157 {
1158         char *URL, *file;
1159         int URL_len, f_len;
1160         zval *options = NULL, *info = NULL;
1161         phpstr response;
1162         php_stream *stream;
1163         php_stream_statbuf ssb;
1164         http_request_body body;
1165
1166         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a/!z", &URL, &URL_len, &file, &f_len, &options, &info)) {
1167                 RETURN_FALSE;
1168         }
1169
1170         if (!(stream = php_stream_open_wrapper(file, "rb", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL))) {
1171                 RETURN_FALSE;
1172         }
1173         if (php_stream_stat(stream, &ssb)) {
1174                 php_stream_close(stream);
1175                 RETURN_FALSE;
1176         }
1177
1178         if (info) {
1179                 zval_dtor(info);
1180                 array_init(info);
1181         }
1182
1183         body.type = HTTP_REQUEST_BODY_UPLOADFILE;
1184         body.data = stream;
1185         body.size = ssb.sb.st_size;
1186
1187         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1188         if (SUCCESS == http_put(URL, &body, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1189                 RETVAL_PHPSTR_VAL(&response);
1190         } else {
1191                 RETVAL_FALSE;
1192         }
1193         http_request_body_dtor(&body);
1194 }
1195 /* }}} */
1196
1197 /* {{{ proto string http_put_stream(string url, resource stream[, array options[, array &info]])
1198  *
1199  * Performs an HTTP PUT request on the supplied url.
1200  *
1201  * Expects the second parameter to be a resource referencing an already
1202  * opened stream, from which the data to upload should be read.
1203  * See http_get() for a full list of available options.
1204  *
1205  * Returns the HTTP response(s) as string on success. or FALSE on failure.
1206  */
1207 PHP_FUNCTION(http_put_stream)
1208 {
1209         zval *resource, *options = NULL, *info = NULL;
1210         char *URL;
1211         int URL_len;
1212         phpstr response;
1213         php_stream *stream;
1214         php_stream_statbuf ssb;
1215         http_request_body body;
1216
1217         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sr|a/!z", &URL, &URL_len, &resource, &options, &info)) {
1218                 RETURN_FALSE;
1219         }
1220
1221         php_stream_from_zval(stream, &resource);
1222         if (php_stream_stat(stream, &ssb)) {
1223                 RETURN_FALSE;
1224         }
1225
1226         if (info) {
1227                 zval_dtor(info);
1228                 array_init(info);
1229         }
1230
1231         body.type = HTTP_REQUEST_BODY_UPLOADFILE;
1232         body.data = stream;
1233         body.size = ssb.sb.st_size;
1234
1235         phpstr_init_ex(&response, HTTP_CURLBUF_SIZE, 0);
1236         if (SUCCESS == http_put(URL, &body, options ? Z_ARRVAL_P(options) : NULL, info ? Z_ARRVAL_P(info) : NULL, &response)) {
1237                 RETURN_PHPSTR_VAL(&response);
1238         } else {
1239                 RETURN_NULL();
1240         }
1241 }
1242 /* }}} */
1243 #endif /* HTTP_HAVE_CURL */
1244 /* }}} HAVE_CURL */
1245
1246 /* {{{ proto int http_request_method_register(string method)
1247  *
1248  * Register a custom request method.
1249  *
1250  * Expects a string parameter containing the request method name to register.
1251  *
1252  * Returns the ID of the request method on success, or FALSE on failure.
1253  */
1254 PHP_FUNCTION(http_request_method_register)
1255 {
1256         char *method;
1257         int *method_len;
1258         unsigned long existing;
1259
1260         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &method, &method_len)) {
1261                 RETURN_FALSE;
1262         }
1263         if (existing = http_request_method_exists(1, 0, method)) {
1264                 RETURN_LONG((long) existing);
1265         }
1266
1267         RETVAL_LONG((long) http_request_method_register(method));
1268 }
1269 /* }}} */
1270
1271 /* {{{ proto bool http_request_method_unregister(mixed method)
1272  *
1273  * Unregister a previously registered custom request method.
1274  *
1275  * Expects either the request method name or ID.
1276  *
1277  * Returns TRUE on success, or FALSE on failure.
1278  */
1279 PHP_FUNCTION(http_request_method_unregister)
1280 {
1281         zval *method;
1282
1283         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/", &method)) {
1284                 RETURN_FALSE;
1285         }
1286
1287         switch (Z_TYPE_P(method))
1288         {
1289                 case IS_OBJECT:
1290                         convert_to_string(method);
1291                 case IS_STRING:
1292                         if (is_numeric_string(Z_STRVAL_P(method), Z_STRLEN_P(method), NULL, NULL, 1)) {
1293                                 convert_to_long(method);
1294                         } else {
1295                                 unsigned long mn;
1296                                 if (!(mn = http_request_method_exists(1, 0, Z_STRVAL_P(method)))) {
1297                                         RETURN_FALSE;
1298                                 }
1299                                 zval_dtor(method);
1300                                 ZVAL_LONG(method, (long)mn);
1301                         }
1302                 case IS_LONG:
1303                         RETURN_SUCCESS(http_request_method_unregister(Z_LVAL_P(method)));
1304                 default:
1305                         RETURN_FALSE;
1306         }
1307 }
1308 /* }}} */
1309
1310 /* {{{ proto long http_request_method_exists(mixed method)
1311  *
1312  * Check if a request method is registered (or available by default).
1313  *
1314  * Expects either the request method name or ID as parameter.
1315  *
1316  * Returns TRUE if the request method is known, else FALSE.
1317  */
1318 PHP_FUNCTION(http_request_method_exists)
1319 {
1320         IF_RETVAL_USED {
1321                 zval *method;
1322
1323                 if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/", &method)) {
1324                         RETURN_FALSE;
1325                 }
1326
1327                 switch (Z_TYPE_P(method))
1328                 {
1329                         case IS_OBJECT:
1330                                 convert_to_string(method);
1331                         case IS_STRING:
1332                                 if (is_numeric_string(Z_STRVAL_P(method), Z_STRLEN_P(method), NULL, NULL, 1)) {
1333                                         convert_to_long(method);
1334                                 } else {
1335                                         RETURN_LONG((long) http_request_method_exists(1, 0, Z_STRVAL_P(method)));
1336                                 }
1337                         case IS_LONG:
1338                                 RETURN_LONG((long) http_request_method_exists(0, Z_LVAL_P(method), NULL));
1339                         default:
1340                                 RETURN_FALSE;
1341                 }
1342         }
1343 }
1344 /* }}} */
1345
1346 /* {{{ proto string http_request_method_name(int method)
1347  *
1348  * Get the literal string representation of a standard or registered request method.
1349  *
1350  * Expects the request method ID as parameter.
1351  *
1352  * Returns the request method name as string on success, or FALSE on failure.
1353  */
1354 PHP_FUNCTION(http_request_method_name)
1355 {
1356         IF_RETVAL_USED {
1357                 long method;
1358
1359                 if ((SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &method)) || (method < 0)) {
1360                         RETURN_FALSE;
1361                 }
1362
1363                 RETURN_STRING(estrdup(http_request_method_name((unsigned long) method)), 0);
1364         }
1365 }
1366 /* }}} */
1367
1368 /* {{{ Sara Golemons http_build_query() */
1369 #ifndef ZEND_ENGINE_2
1370
1371 /* {{{ proto string http_build_query(mixed formdata [, string prefix[, string arg_separator]])
1372    Generates a form-encoded query string from an associative array or object. */
1373 PHP_FUNCTION(http_build_query)
1374 {
1375         zval *formdata;
1376         char *prefix = NULL, *arg_sep = INI_STR("arg_separator.output");
1377         int prefix_len = 0, arg_sep_len = strlen(arg_sep);
1378         phpstr *formstr;
1379
1380         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|ss", &formdata, &prefix, &prefix_len, &arg_sep, &arg_sep_len) != SUCCESS) {
1381                 RETURN_FALSE;
1382         }
1383
1384         if (Z_TYPE_P(formdata) != IS_ARRAY && Z_TYPE_P(formdata) != IS_OBJECT) {
1385                 http_error(HE_WARNING, HTTP_E_INVALID_PARAM, "Parameter 1 expected to be Array or Object.  Incorrect value given.");
1386                 RETURN_FALSE;
1387         }
1388
1389         if (!arg_sep_len) {
1390                 arg_sep = HTTP_URL_ARGSEP;
1391         }
1392
1393         formstr = phpstr_new();
1394         if (SUCCESS != http_urlencode_hash_implementation_ex(HASH_OF(formdata), formstr, arg_sep, prefix, prefix_len, NULL, 0, NULL, 0, (Z_TYPE_P(formdata) == IS_OBJECT ? formdata : NULL))) {
1395                 phpstr_free(&formstr);
1396                 RETURN_FALSE;
1397         }
1398
1399         if (!formstr->used) {
1400                 phpstr_free(&formstr);
1401                 RETURN_NULL();
1402         }
1403
1404         RETURN_PHPSTR_PTR(formstr);
1405 }
1406 /* }}} */
1407 #endif /* !ZEND_ENGINE_2 */
1408 /* }}} */
1409
1410 PHP_FUNCTION(http_test)
1411 {
1412 }
1413
1414 /*
1415  * Local variables:
1416  * tab-width: 4
1417  * c-basic-offset: 4
1418  * End:
1419  * vim600: noet sw=4 ts=4 fdm=marker
1420  * vim<600: noet sw=4 ts=4
1421  */
1422