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_filter_api.h"
  34 #include "php_http_request_method_api.h"
  35 #ifdef HTTP_HAVE_CURL
  36 #       include "php_http_request_api.h"
  37 #endif
  38
  39 #ifdef ZEND_ENGINE_2
  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_redirect, NULL)
  86         PHP_FE(http_throttle, NULL)
  87         PHP_FE(http_send_status, NULL)
  88         PHP_FE(http_send_last_modified, NULL)
  89         PHP_FE(http_send_content_type, NULL)
  90         PHP_FE(http_send_content_disposition, NULL)
  91         PHP_FE(http_match_modified, NULL)
  92         PHP_FE(http_match_etag, NULL)
  93         PHP_FE(http_cache_last_modified, NULL)
  94         PHP_FE(http_cache_etag, NULL)
  95         PHP_FE(http_send_data, NULL)
  96         PHP_FE(http_send_file, NULL)
  97         PHP_FE(http_send_stream, NULL)
  98         PHP_FE(http_chunked_decode, NULL)
  99         PHP_FE(http_parse_message, NULL)
 100         PHP_FE(http_parse_headers, NULL)
 101         PHP_FE(http_get_request_headers, NULL)
 102         PHP_FE(http_get_request_body, NULL)
 103         PHP_FE(http_match_request_header, NULL)
 104 #ifdef HTTP_HAVE_CURL
 105         PHP_FE(http_get, http_arg_pass_ref_3)
 106         PHP_FE(http_head, http_arg_pass_ref_3)
 107         PHP_FE(http_post_data, http_arg_pass_ref_4)
 108         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 109         PHP_FE(http_put_file, http_arg_pass_ref_4)
 110         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 111 #endif
 112         PHP_FE(http_request_method_register, NULL)
 113         PHP_FE(http_request_method_unregister, NULL)
 114         PHP_FE(http_request_method_exists, NULL)
 115         PHP_FE(http_request_method_name, NULL)
 116 #ifndef ZEND_ENGINE_2
 117         PHP_FE(http_build_query, NULL)
 118 #endif
 119         PHP_FE(ob_etaghandler, NULL)
 120 #ifdef HTTP_HAVE_ZLIB
 121         PHP_FE(http_gzencode, NULL)
 122         PHP_FE(http_gzdecode, NULL)
 123         PHP_FE(http_deflate, NULL)
 124         PHP_FE(http_inflate, NULL)
 125         PHP_FE(http_compress, NULL)
 126         PHP_FE(http_uncompress, NULL)
 127 #endif
 128         PHP_FE(http_support, NULL)
 129
 130         EMPTY_FUNCTION_ENTRY
 131 };
 132 /* }}} */
 133
 134 /* {{{ http_module_dep */
 135 #if ZEND_EXTENSION_API_NO >= 220050617
 136 static zend_module_dep http_module_dep[] = {
 137 #       ifdef HAVE_SPL
 138         ZEND_MOD_REQUIRED("spl")
 139 #       endif
 140         {NULL, NULL, NULL, 0}
 141 };
 142 #endif
 143 /* }}} */
 144
 145 /* {{{ http_module_entry */
 146 zend_module_entry http_module_entry = {
 147 #if ZEND_EXTENSION_API_NO >= 220050617
 148         STANDARD_MODULE_HEADER_EX, NULL,
 149         http_module_dep,
 150 #else
 151         STANDARD_MODULE_HEADER,
 152 #endif
 153         "http",
 154         http_functions,
 155         PHP_MINIT(http),
 156         PHP_MSHUTDOWN(http),
 157         PHP_RINIT(http),
 158         PHP_RSHUTDOWN(http),
 159         PHP_MINFO(http),
 160         HTTP_PEXT_VERSION,
 161         STANDARD_MODULE_PROPERTIES
 162 };
 163 /* }}} */
 164
 165 int http_module_number;
 166
 167 /* {{{ http_globals */
 168 static void http_globals_init_once(zend_http_globals *G)
 169 {
 170         memset(G, 0, sizeof(zend_http_globals));
 171 }
 172
 173 static inline void http_globals_init(zend_http_globals *G)
 174 {
 175         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 176         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 177 #ifdef HTTP_HAVE_CURL
 178         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 179         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 180         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 181         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 182 #endif
 183 }
 184
 185 static inline void http_globals_free(zend_http_globals *G)
 186 {
 187         STR_SET(G->send.content_type, NULL);
 188         STR_SET(G->send.unquoted_etag, NULL);
 189         zend_hash_destroy(&G->request.methods.custom);
 190 #ifdef HTTP_HAVE_CURL
 191         zend_llist_clean(&G->request.copies.strings);
 192         zend_llist_clean(&G->request.copies.slists);
 193         zend_llist_clean(&G->request.copies.contexts);
 194         zend_llist_clean(&G->request.copies.convs);
 195 #endif
 196 }
 197 /* }}} */
 198
 199 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 200 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 201 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 202 {
 203         if (length && SG(request_info).request_method) {
 204                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 205                         char *header = emalloc(length + sizeof("Allow: "));
 206                         sprintf(header, "Allow: %s", methods);
 207                         http_exit(405, header);
 208                 }
 209         }
 210 }
 211 /* }}} */
 212
 213 /* {{{ PHP_INI */
 214 PHP_INI_MH(http_update_allowed_methods)
 215 {
 216         http_check_allowed_methods(new_value, new_value_length);
 217         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 218 }
 219
 220 PHP_INI_DISP(http_etag_mode_displayer)
 221 {
 222         long value;
 223
 224         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 225                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 226         } else if (ini_entry->value) {
 227                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 228         } else {
 229                 value = HTTP_ETAG_MD5;
 230         }
 231
 232         switch (value)
 233         {
 234                 case HTTP_ETAG_CRC32:
 235                         ZEND_WRITE("HTTP_ETAG_CRC32", lenof("HTTP_ETAG_CRC32"));
 236                 break;
 237
 238                 case HTTP_ETAG_SHA1:
 239                         ZEND_WRITE("HTTP_ETAG_SHA1", lenof("HTTP_ETAG_SHA1"));
 240                 break;
 241
 242                 case HTTP_ETAG_MD5:
 243 #ifndef HTTP_HAVE_MHASH
 244                 default:
 245 #endif
 246                         ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 247                 break;
 248
 249 #ifdef HTTP_HAVE_MHASH
 250                 default:
 251                 {
 252                         const char *hash_name = mhash_get_hash_name_static(value);
 253
 254                         if (!hash_name) {
 255                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 256                         } else {
 257                                 ZEND_WRITE("HTTP_ETAG_MHASH_", lenof("HTTP_ETAG_MHASH_"));
 258                                 ZEND_WRITE(hash_name, strlen(hash_name));
 259                         }
 260                 }
 261                 break;
 262 #endif
 263         }
 264 }
 265
 266 #ifndef ZEND_ENGINE_2
 267 #       define OnUpdateLong OnUpdateInt
 268 #endif
 269
 270 PHP_INI_BEGIN()
 271         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 272         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 273         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 274         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 275         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 276         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 277 #ifdef ZEND_ENGINE_2
 278         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 279 #endif
 280         HTTP_PHP_INI_ENTRY("http.force_exit", "1", PHP_INI_ALL, OnUpdateBool, force_exit)
 281 PHP_INI_END()
 282 /* }}} */
 283
 284 /* {{{ PHP_MINIT_FUNCTION */
 285 PHP_MINIT_FUNCTION(http)
 286 {
 287         http_module_number = module_number;
 288
 289         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 290
 291         REGISTER_INI_ENTRIES();
 292
 293         if (    (SUCCESS != PHP_MINIT_CALL(http_support))       ||
 294                         (SUCCESS != PHP_MINIT_CALL(http_headers))       ||
 295                         (SUCCESS != PHP_MINIT_CALL(http_cache))         ||
 296                         (SUCCESS != PHP_MINIT_CALL(http_filter))        ||
 297 #ifdef HTTP_HAVE_CURL
 298                         (SUCCESS != PHP_MINIT_CALL(http_request))       ||
 299 #endif /* HTTP_HAVE_CURL */
 300                         (SUCCESS != PHP_MINIT_CALL(http_request_method))) {
 301                 return FAILURE;
 302         }
 303
 304 #ifdef ZEND_ENGINE_2
 305         if (    (SUCCESS != PHP_MINIT_CALL(http_util_object))           ||
 306                         (SUCCESS != PHP_MINIT_CALL(http_message_object))        ||
 307 #       ifndef WONKY
 308                         (SUCCESS != PHP_MINIT_CALL(http_response_object))       ||
 309 #       endif /* WONKY */
 310 #       ifdef HTTP_HAVE_CURL
 311                         (SUCCESS != PHP_MINIT_CALL(http_request_object))        ||
 312                         (SUCCESS != PHP_MINIT_CALL(http_requestpool_object))    ||
 313 #       endif /* HTTP_HAVE_CURL */
 314                         (SUCCESS != PHP_MINIT_CALL(http_exception_object))) {
 315                 return FAILURE;
 316         }
 317 #endif /* ZEND_ENGINE_2 */
 318
 319         return SUCCESS;
 320 }
 321 /* }}} */
 322
 323 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 324 PHP_MSHUTDOWN_FUNCTION(http)
 325 {
 326         UNREGISTER_INI_ENTRIES();
 327 #ifdef HTTP_HAVE_CURL
 328         return PHP_MSHUTDOWN_CALL(http_request);
 329 #endif
 330         return SUCCESS;
 331 }
 332 /* }}} */
 333
 334 /* {{{ PHP_RINIT_FUNCTION */
 335 PHP_RINIT_FUNCTION(http)
 336 {
 337         char *m;
 338
 339         if (m = INI_STR("http.allowed_methods")) {
 340                 http_check_allowed_methods(m, strlen(m));
 341         }
 342
 343         http_globals_init(HTTP_GLOBALS);
 344         return SUCCESS;
 345 }
 346 /* }}} */
 347
 348 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 349 PHP_RSHUTDOWN_FUNCTION(http)
 350 {
 351         STATUS status = SUCCESS;
 352
 353 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 354         status = PHP_RSHUTDOWN_CALL(http_request_method);
 355 #endif
 356
 357         http_globals_free(HTTP_GLOBALS);
 358         return status;
 359 }
 360 /* }}} */
 361
 362 /* {{{ PHP_MINFO_FUNCTION */
 363 PHP_MINFO_FUNCTION(http)
 364 {
 365         php_info_print_table_start();
 366         {
 367                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 368                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 369 #ifdef HTTP_HAVE_CURL
 370                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 371 #else
 372                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 373 #endif
 374 #ifdef HTTP_HAVE_ZLIB
 375                 {
 376                         char my_zlib_version[64] = {0};
 377
 378                         strlcat(my_zlib_version, "zlib/", 63);
 379                         strlcat(my_zlib_version, zlibVersion(), 63);
 380                         php_info_print_table_row(2, "zlib GZIP Encodings", my_zlib_version);
 381                 }
 382 #else
 383                 php_info_print_table_row(2, "zlib GZIP Encodings", "disabled");
 384 #endif
 385 #ifdef HTTP_HAVE_MHASH
 386                 {
 387                         char mhash_info[32];
 388
 389                         snprintf(mhash_info, 32, "libmhash/%d", MHASH_API_VERSION);
 390                         php_info_print_table_row(2, "mhash ETag Generator", mhash_info);
 391                 }
 392 #else
 393                 php_info_print_table_row(2, "mhash ETag Generator", "disabled");
 394 #endif
 395 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 396                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 397 #else
 398                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 399 #endif
 400                 php_info_print_table_row(2, "Registered Classes",
 401 #ifndef ZEND_ENGINE_2
 402                         "none"
 403 #else
 404                         "HttpUtil, "
 405                         "HttpMessage, "
 406 #       ifdef HTTP_HAVE_CURL
 407                         "HttpRequest, "
 408                         "HttpRequestPool, "
 409 #       endif
 410 #       ifndef WONKY
 411                         "HttpResponse"
 412 #       endif
 413 #endif
 414                 );
 415         }
 416         php_info_print_table_end();
 417
 418         php_info_print_table_start();
 419         php_info_print_table_colspan_header(2, "Supported ETag Hash Algorithms");
 420         {
 421
 422                 php_info_print_table_row(2, "PHP", "CRC32, MD5, SHA1");
 423 #ifdef HTTP_HAVE_MHASH
 424                 {
 425                         phpstr *algos = phpstr_new();
 426                         int i, c = mhash_count();
 427
 428                         for (i = 0; i <= c; ++i) {
 429                                 const char *hash = mhash_get_hash_name_static(i);
 430
 431                                 if (hash) {
 432                                         phpstr_appendf(algos, "%s, ", hash);
 433                                 }
 434                         }
 435                         phpstr_fix(algos);
 436                         php_info_print_table_row(2, "MHASH", PHPSTR_VAL(algos));
 437                         phpstr_free(&algos);
 438                 }
 439 #else
 440                 php_info_print_table_row(2, "MHASH", "not available");
 441 #endif
 442         }
 443         php_info_print_table_end();
 444
 445         php_info_print_table_start();
 446         php_info_print_table_colspan_header(2, "Request Methods");
 447         {
 448                 unsigned i;
 449                 HashPosition pos;
 450                 zval **custom_method;
 451                 phpstr *known_request_methods = phpstr_new();
 452                 phpstr *custom_request_methods = phpstr_new();
 453
 454                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 455                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 456                         phpstr_appends(known_request_methods, ", ");
 457                 }
 458                 FOREACH_HASH_VAL(pos, &HTTP_G(request).methods.custom, custom_method) {
 459                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 460                         phpstr_appends(custom_request_methods, ", ");
 461                 }
 462
 463                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 464                 phpstr_fix(known_request_methods);
 465                 phpstr_fix(custom_request_methods);
 466
 467                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 468                 php_info_print_table_row(2, "Custom",
 469                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 470                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 471
 472                 phpstr_free(&known_request_methods);
 473                 phpstr_free(&custom_request_methods);
 474         }
 475         php_info_print_table_end();
 476
 477         DISPLAY_INI_ENTRIES();
 478 }
 479 /* }}} */
 480
 481 /*
 482  * Local variables:
 483  * tab-width: 4
 484  * c-basic-offset: 4
 485  * End:
 486  * vim600: noet sw=4 ts=4 fdm=marker
 487  * vim<600: noet sw=4 ts=4
 488  */
 489