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

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2005, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15
  16 #ifdef HAVE_CONFIG_H
  17 #       include "config.h"
  18 #endif
  19 #include "php.h"
  20
  21 #include "zend_extensions.h"
  22
  23 #include "SAPI.h"
  24 #include "php_ini.h"
  25 #include "ext/standard/info.h"
  26
  27 #include "php_http.h"
  28 #include "php_http_std_defs.h"
  29 #include "php_http_api.h"
  30 #include "php_http_send_api.h"
  31 #include "php_http_cache_api.h"
  32 #include "php_http_headers_api.h"
  33 #include "php_http_request_method_api.h"
  34 #ifdef HTTP_HAVE_CURL
  35 #       include "php_http_request_api.h"
  36 #endif
  37
  38 #ifdef ZEND_ENGINE_2
  39 #       include "php_http_filter_api.h"
  40 #       include "php_http_util_object.h"
  41 #       include "php_http_message_object.h"
  42 #       ifndef WONKY
  43 #               include "php_http_response_object.h"
  44 #       endif
  45 #       ifdef HTTP_HAVE_CURL
  46 #               include "php_http_request_object.h"
  47 #               include "php_http_requestpool_object.h"
  48 #       endif
  49 #       include "php_http_exception_object.h"
  50 #endif
  51
  52 #include "missing.h"
  53 #include "phpstr/phpstr.h"
  54
  55 #ifdef HTTP_HAVE_CURL
  56 #       ifdef PHP_WIN32
  57 #               include <winsock2.h>
  58 #       endif
  59 #       include <curl/curl.h>
  60 #endif
  61 #ifdef HTTP_HAVE_MHASH
  62 #       include <mhash.h>
  63 #endif
  64 #ifdef HTTP_HAVE_ZLIB
  65 #       include <zlib.h>
  66 #endif
  67
  68 #include <ctype.h>
  69
  70 ZEND_DECLARE_MODULE_GLOBALS(http);
  71 HTTP_DECLARE_ARG_PASS_INFO();
  72
  73 #ifdef COMPILE_DL_HTTP
  74 ZEND_GET_MODULE(http)
  75 #endif
  76
  77 /* {{{ http_functions[] */
  78 zend_function_entry http_functions[] = {
  79         PHP_FE(http_test, NULL)
  80         PHP_FE(http_date, NULL)
  81         PHP_FE(http_build_uri, NULL)
  82         PHP_FALIAS(http_absolute_uri, http_build_uri, NULL)
  83         PHP_FE(http_negotiate_language, http_arg_pass_ref_2)
  84         PHP_FE(http_negotiate_charset, http_arg_pass_ref_2)
  85         PHP_FE(http_negotiate_content_type, http_arg_pass_ref_2)
  86         PHP_FE(http_redirect, NULL)
  87         PHP_FE(http_throttle, NULL)
  88         PHP_FE(http_send_status, NULL)
  89         PHP_FE(http_send_last_modified, NULL)
  90         PHP_FE(http_send_content_type, NULL)
  91         PHP_FE(http_send_content_disposition, NULL)
  92         PHP_FE(http_match_modified, NULL)
  93         PHP_FE(http_match_etag, NULL)
  94         PHP_FE(http_cache_last_modified, NULL)
  95         PHP_FE(http_cache_etag, NULL)
  96         PHP_FE(http_send_data, NULL)
  97         PHP_FE(http_send_file, NULL)
  98         PHP_FE(http_send_stream, NULL)
  99         PHP_FE(http_chunked_decode, NULL)
 100         PHP_FE(http_parse_message, NULL)
 101         PHP_FE(http_parse_headers, NULL)
 102         PHP_FE(http_get_request_headers, NULL)
 103         PHP_FE(http_get_request_body, NULL)
 104         PHP_FE(http_match_request_header, NULL)
 105 #ifdef HTTP_HAVE_CURL
 106         PHP_FE(http_get, http_arg_pass_ref_3)
 107         PHP_FE(http_head, http_arg_pass_ref_3)
 108         PHP_FE(http_post_data, http_arg_pass_ref_4)
 109         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 110         PHP_FE(http_put_file, http_arg_pass_ref_4)
 111         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 112 #endif
 113         PHP_FE(http_request_method_register, NULL)
 114         PHP_FE(http_request_method_unregister, NULL)
 115         PHP_FE(http_request_method_exists, NULL)
 116         PHP_FE(http_request_method_name, NULL)
 117 #ifndef ZEND_ENGINE_2
 118         PHP_FE(http_build_query, NULL)
 119 #endif
 120         PHP_FE(ob_etaghandler, NULL)
 121 #ifdef HTTP_HAVE_ZLIB
 122         PHP_FE(http_gzencode, NULL)
 123         PHP_FE(http_gzdecode, NULL)
 124         PHP_FE(http_deflate, NULL)
 125         PHP_FE(http_inflate, NULL)
 126         PHP_FE(http_compress, NULL)
 127         PHP_FE(http_uncompress, NULL)
 128 #endif
 129         PHP_FE(http_support, NULL)
 130
 131         EMPTY_FUNCTION_ENTRY
 132 };
 133 /* }}} */
 134
 135 /* {{{ http_module_dep */
 136 #if ZEND_EXTENSION_API_NO >= 220050617
 137 static zend_module_dep http_module_dep[] = {
 138 #       ifdef HAVE_SPL
 139         ZEND_MOD_REQUIRED("spl")
 140 #       endif
 141         {NULL, NULL, NULL, 0}
 142 };
 143 #endif
 144 /* }}} */
 145
 146 /* {{{ http_module_entry */
 147 zend_module_entry http_module_entry = {
 148 #if ZEND_EXTENSION_API_NO >= 220050617
 149         STANDARD_MODULE_HEADER_EX, NULL,
 150         http_module_dep,
 151 #else
 152         STANDARD_MODULE_HEADER,
 153 #endif
 154         "http",
 155         http_functions,
 156         PHP_MINIT(http),
 157         PHP_MSHUTDOWN(http),
 158         PHP_RINIT(http),
 159         PHP_RSHUTDOWN(http),
 160         PHP_MINFO(http),
 161         HTTP_PEXT_VERSION,
 162         STANDARD_MODULE_PROPERTIES
 163 };
 164 /* }}} */
 165
 166 int http_module_number;
 167
 168 /* {{{ http_globals */
 169 static void http_globals_init_once(zend_http_globals *G)
 170 {
 171         memset(G, 0, sizeof(zend_http_globals));
 172 }
 173
 174 static inline void http_globals_init(zend_http_globals *G)
 175 {
 176         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 177         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 178 #ifdef HTTP_HAVE_CURL
 179         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 180         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 181         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 182         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 183 #endif
 184 }
 185
 186 static inline void http_globals_free(zend_http_globals *G)
 187 {
 188         STR_SET(G->send.content_type, NULL);
 189         STR_SET(G->send.unquoted_etag, NULL);
 190         zend_hash_destroy(&G->request.methods.custom);
 191 #ifdef HTTP_HAVE_CURL
 192         zend_llist_clean(&G->request.copies.strings);
 193         zend_llist_clean(&G->request.copies.slists);
 194         zend_llist_clean(&G->request.copies.contexts);
 195         zend_llist_clean(&G->request.copies.convs);
 196 #endif
 197 }
 198 /* }}} */
 199
 200 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 201 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 202 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 203 {
 204         if (length && SG(request_info).request_method) {
 205                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 206                         char *header = emalloc(length + sizeof("Allow: "));
 207                         sprintf(header, "Allow: %s", methods);
 208                         http_exit(405, header);
 209                 }
 210         }
 211 }
 212 /* }}} */
 213
 214 /* {{{ PHP_INI */
 215 PHP_INI_MH(http_update_allowed_methods)
 216 {
 217         http_check_allowed_methods(new_value, new_value_length);
 218         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 219 }
 220
 221 #undef CASE_HTTP_ETAG_HASH
 222 #define CASE_HTTP_ETAG_HASH(HASH) \
 223         case HTTP_ETAG_##HASH: \
 224                 ZEND_WRITE("HTTP_ETAG_"#HASH, lenof("HTTP_ETAG_"#HASH)); \
 225         break;
 226 PHP_INI_DISP(http_etag_mode_displayer)
 227 {
 228         long value;
 229
 230         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 231                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 232         } else if (ini_entry->value) {
 233                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 234         } else {
 235                 value = HTTP_ETAG_MD5;
 236         }
 237
 238         switch (value)
 239         {
 240 #ifdef HTTP_HAVE_HASH_EXT
 241                 CASE_HTTP_ETAG_HASH(RIPEMD160);
 242                 CASE_HTTP_ETAG_HASH(RIPEMD128);
 243                 CASE_HTTP_ETAG_HASH(SHA512);
 244                 CASE_HTTP_ETAG_HASH(SHA384);
 245                 CASE_HTTP_ETAG_HASH(SHA256);
 246 #endif
 247                 CASE_HTTP_ETAG_HASH(CRC32);
 248                 CASE_HTTP_ETAG_HASH(SHA1);
 249 #ifndef HTTP_HAVE_MHASH
 250                 default:
 251 #endif
 252                 CASE_HTTP_ETAG_HASH(MD5);
 253
 254 #ifdef HTTP_HAVE_MHASH
 255                 default:
 256                 {
 257                         const char *hash_name = mhash_get_hash_name_static(value);
 258
 259                         if (!hash_name) {
 260                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 261                         } else {
 262                                 ZEND_WRITE("HTTP_ETAG_MHASH_", lenof("HTTP_ETAG_MHASH_"));
 263                                 ZEND_WRITE(hash_name, strlen(hash_name));
 264                         }
 265                 }
 266                 break;
 267 #endif
 268         }
 269 }
 270
 271 #ifndef ZEND_ENGINE_2
 272 #       define OnUpdateLong OnUpdateInt
 273 #endif
 274
 275 PHP_INI_BEGIN()
 276         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 277         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 278         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 279         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 280         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 281         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 282 #ifdef ZEND_ENGINE_2
 283         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 284 #endif
 285         HTTP_PHP_INI_ENTRY("http.force_exit", "1", PHP_INI_ALL, OnUpdateBool, force_exit)
 286 PHP_INI_END()
 287 /* }}} */
 288
 289 /* {{{ PHP_MINIT_FUNCTION */
 290 PHP_MINIT_FUNCTION(http)
 291 {
 292         http_module_number = module_number;
 293
 294         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 295
 296         REGISTER_INI_ENTRIES();
 297
 298         if (    (SUCCESS != PHP_MINIT_CALL(http_support))       ||
 299                         (SUCCESS != PHP_MINIT_CALL(http_headers))       ||
 300                         (SUCCESS != PHP_MINIT_CALL(http_cache))         ||
 301 #ifdef HTTP_HAVE_CURL
 302                         (SUCCESS != PHP_MINIT_CALL(http_request))       ||
 303 #endif /* HTTP_HAVE_CURL */
 304                         (SUCCESS != PHP_MINIT_CALL(http_request_method))) {
 305                 return FAILURE;
 306         }
 307
 308 #ifdef ZEND_ENGINE_2
 309         if (    (SUCCESS != PHP_MINIT_CALL(http_filter))                        ||
 310                         (SUCCESS != PHP_MINIT_CALL(http_util_object))           ||
 311                         (SUCCESS != PHP_MINIT_CALL(http_message_object))        ||
 312 #       ifndef WONKY
 313                         (SUCCESS != PHP_MINIT_CALL(http_response_object))       ||
 314 #       endif /* WONKY */
 315 #       ifdef HTTP_HAVE_CURL
 316                         (SUCCESS != PHP_MINIT_CALL(http_request_object))        ||
 317                         (SUCCESS != PHP_MINIT_CALL(http_requestpool_object))||
 318 #       endif /* HTTP_HAVE_CURL */
 319                         (SUCCESS != PHP_MINIT_CALL(http_exception_object))) {
 320                 return FAILURE;
 321         }
 322 #endif /* ZEND_ENGINE_2 */
 323
 324         return SUCCESS;
 325 }
 326 /* }}} */
 327
 328 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 329 PHP_MSHUTDOWN_FUNCTION(http)
 330 {
 331         UNREGISTER_INI_ENTRIES();
 332 #ifdef HTTP_HAVE_CURL
 333         return PHP_MSHUTDOWN_CALL(http_request);
 334 #endif
 335         return SUCCESS;
 336 }
 337 /* }}} */
 338
 339 /* {{{ PHP_RINIT_FUNCTION */
 340 PHP_RINIT_FUNCTION(http)
 341 {
 342         if (HTTP_G(request).methods.allowed) {
 343                 http_check_allowed_methods(HTTP_G(request).methods.allowed,
 344                         strlen(HTTP_G(request).methods.allowed));
 345         }
 346
 347         http_globals_init(HTTP_GLOBALS);
 348         return SUCCESS;
 349 }
 350 /* }}} */
 351
 352 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 353 PHP_RSHUTDOWN_FUNCTION(http)
 354 {
 355         STATUS status = SUCCESS;
 356
 357 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 358         status = PHP_RSHUTDOWN_CALL(http_request_method);
 359 #endif
 360
 361         http_globals_free(HTTP_GLOBALS);
 362         return status;
 363 }
 364 /* }}} */
 365
 366 /* {{{ PHP_MINFO_FUNCTION */
 367 PHP_MINFO_FUNCTION(http)
 368 {
 369         php_info_print_table_start();
 370         {
 371                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 372                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 373 #ifdef HTTP_HAVE_CURL
 374                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 375 #else
 376                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 377 #endif
 378 #ifdef HTTP_HAVE_ZLIB
 379                 {
 380                         char my_zlib_version[64] = {0};
 381
 382                         strlcat(my_zlib_version, "zlib/", 63);
 383                         strlcat(my_zlib_version, zlibVersion(), 63);
 384                         php_info_print_table_row(2, "zlib GZIP Encodings", my_zlib_version);
 385                 }
 386 #else
 387                 php_info_print_table_row(2, "zlib GZIP Encodings", "disabled");
 388 #endif
 389 #ifdef HTTP_HAVE_MHASH
 390                 {
 391                         char mhash_info[32];
 392
 393                         snprintf(mhash_info, 32, "libmhash/%d", MHASH_API_VERSION);
 394                         php_info_print_table_row(2, "mhash ETag Generator", mhash_info);
 395                 }
 396 #else
 397                 php_info_print_table_row(2, "mhash ETag Generator", "disabled");
 398 #endif
 399 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 400                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 401 #else
 402                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 403 #endif
 404                 php_info_print_table_row(2, "Registered Classes",
 405 #ifndef ZEND_ENGINE_2
 406                         "none"
 407 #else
 408                         "HttpUtil, "
 409                         "HttpMessage, "
 410 #       ifdef HTTP_HAVE_CURL
 411                         "HttpRequest, "
 412                         "HttpRequestPool, "
 413 #       endif
 414 #       ifndef WONKY
 415                         "HttpResponse"
 416 #       endif
 417 #endif
 418                 );
 419         }
 420         php_info_print_table_end();
 421
 422         php_info_print_table_start();
 423         php_info_print_table_colspan_header(2, "Supported ETag Hash Algorithms");
 424         {
 425
 426                 php_info_print_table_row(2, "PHP", "CRC32, MD5, SHA1"
 427 #ifdef HTTP_HAVE_HASH_EXT
 428                         ", SHA256, SHA384, SHA512, RIPEMD128, RIPEMD160"
 429 #endif
 430                 );
 431 #ifdef HTTP_HAVE_MHASH
 432                 {
 433                         phpstr *algos = phpstr_new();
 434                         int i, c = mhash_count();
 435
 436                         for (i = 0; i <= c; ++i) {
 437                                 const char *hash = mhash_get_hash_name_static(i);
 438
 439                                 if (hash) {
 440                                         phpstr_appendf(algos, "%s, ", hash);
 441                                 }
 442                         }
 443                         phpstr_fix(algos);
 444                         php_info_print_table_row(2, "MHASH", PHPSTR_VAL(algos));
 445                         phpstr_free(&algos);
 446                 }
 447 #else
 448                 php_info_print_table_row(2, "MHASH", "not available");
 449 #endif
 450         }
 451         php_info_print_table_end();
 452
 453         php_info_print_table_start();
 454         php_info_print_table_colspan_header(2, "Request Methods");
 455         {
 456                 unsigned i;
 457                 HashPosition pos;
 458                 zval **custom_method;
 459                 phpstr *known_request_methods = phpstr_new();
 460                 phpstr *custom_request_methods = phpstr_new();
 461
 462                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 463                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 464                         phpstr_appends(known_request_methods, ", ");
 465                 }
 466                 FOREACH_HASH_VAL(pos, &HTTP_G(request).methods.custom, custom_method) {
 467                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 468                         phpstr_appends(custom_request_methods, ", ");
 469                 }
 470
 471                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 472                 phpstr_fix(known_request_methods);
 473                 phpstr_fix(custom_request_methods);
 474
 475                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 476                 php_info_print_table_row(2, "Custom",
 477                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 478                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 479
 480                 phpstr_free(&known_request_methods);
 481                 phpstr_free(&custom_request_methods);
 482         }
 483         php_info_print_table_end();
 484
 485         DISPLAY_INI_ENTRIES();
 486 }
 487 /* }}} */
 488
 489 /*
 490  * Local variables:
 491  * tab-width: 4
 492  * c-basic-offset: 4
 493  * End:
 494  * vim600: noet sw=4 ts=4 fdm=marker
 495  * vim<600: noet sw=4 ts=4
 496  */
 497