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_util_object.h"
  40 #       include "php_http_message_object.h"
  41 #       ifndef WONKY
  42 #               include "php_http_response_object.h"
  43 #       endif
  44 #       ifdef HTTP_HAVE_CURL
  45 #               include "php_http_request_object.h"
  46 #               include "php_http_requestpool_object.h"
  47 #       endif
  48 #       include "php_http_exception_object.h"
  49 #endif
  50
  51 #include "missing.h"
  52 #include "phpstr/phpstr.h"
  53
  54 #ifdef HTTP_HAVE_CURL
  55 #       ifdef PHP_WIN32
  56 #               include <winsock2.h>
  57 #       endif
  58 #       include <curl/curl.h>
  59 #endif
  60 #ifdef HTTP_HAVE_MHASH
  61 #       include <mhash.h>
  62 #endif
  63 #ifdef HTTP_HAVE_ZLIB
  64 #       include <zlib.h>
  65 #endif
  66
  67 #include <ctype.h>
  68
  69 ZEND_DECLARE_MODULE_GLOBALS(http);
  70 HTTP_DECLARE_ARG_PASS_INFO();
  71
  72 #ifdef COMPILE_DL_HTTP
  73 ZEND_GET_MODULE(http)
  74 #endif
  75
  76 /* {{{ http_functions[] */
  77 zend_function_entry http_functions[] = {
  78         PHP_FE(http_test, NULL)
  79         PHP_FE(http_date, NULL)
  80         PHP_FE(http_build_uri, NULL)
  81         PHP_FALIAS(http_absolute_uri, http_build_uri, NULL)
  82         PHP_FE(http_negotiate_language, http_arg_pass_ref_2)
  83         PHP_FE(http_negotiate_charset, http_arg_pass_ref_2)
  84         PHP_FE(http_redirect, NULL)
  85         PHP_FE(http_throttle, NULL)
  86         PHP_FE(http_send_status, NULL)
  87         PHP_FE(http_send_last_modified, NULL)
  88         PHP_FE(http_send_content_type, NULL)
  89         PHP_FE(http_send_content_disposition, NULL)
  90         PHP_FE(http_match_modified, NULL)
  91         PHP_FE(http_match_etag, NULL)
  92         PHP_FE(http_cache_last_modified, NULL)
  93         PHP_FE(http_cache_etag, NULL)
  94         PHP_FE(http_send_data, NULL)
  95         PHP_FE(http_send_file, NULL)
  96         PHP_FE(http_send_stream, NULL)
  97         PHP_FE(http_chunked_decode, NULL)
  98         PHP_FE(http_parse_message, NULL)
  99         PHP_FE(http_parse_headers, NULL)
 100         PHP_FE(http_get_request_headers, NULL)
 101         PHP_FE(http_get_request_body, NULL)
 102         PHP_FE(http_match_request_header, NULL)
 103 #ifdef HTTP_HAVE_CURL
 104         PHP_FE(http_get, http_arg_pass_ref_3)
 105         PHP_FE(http_head, http_arg_pass_ref_3)
 106         PHP_FE(http_post_data, http_arg_pass_ref_4)
 107         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 108         PHP_FE(http_put_file, http_arg_pass_ref_4)
 109         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 110 #endif
 111         PHP_FE(http_request_method_register, NULL)
 112         PHP_FE(http_request_method_unregister, NULL)
 113         PHP_FE(http_request_method_exists, NULL)
 114         PHP_FE(http_request_method_name, NULL)
 115 #ifndef ZEND_ENGINE_2
 116         PHP_FE(http_build_query, NULL)
 117 #endif
 118         PHP_FE(ob_etaghandler, NULL)
 119 #ifdef HTTP_HAVE_ZLIB
 120         PHP_FE(http_gzencode, NULL)
 121         PHP_FE(http_gzdecode, NULL)
 122         PHP_FE(http_deflate, NULL)
 123         PHP_FE(http_inflate, NULL)
 124         PHP_FE(http_compress, NULL)
 125         PHP_FE(http_uncompress, NULL)
 126 #endif
 127         PHP_FE(http_support, NULL)
 128
 129         EMPTY_FUNCTION_ENTRY
 130 };
 131 /* }}} */
 132
 133 /* {{{ http_module_dep */
 134 #if ZEND_EXTENSION_API_NO >= 220050617
 135 static zend_module_dep http_module_dep[] = {
 136 #       ifdef HAVE_SPL
 137         ZEND_MOD_REQUIRED("spl")
 138 #       endif
 139         {NULL, NULL, NULL, 0}
 140 };
 141 #endif
 142 /* }}} */
 143
 144 /* {{{ http_module_entry */
 145 zend_module_entry http_module_entry = {
 146 #if ZEND_EXTENSION_API_NO >= 220050617
 147         STANDARD_MODULE_HEADER_EX, NULL,
 148         http_module_dep,
 149 #else
 150         STANDARD_MODULE_HEADER,
 151 #endif
 152         "http",
 153         http_functions,
 154         PHP_MINIT(http),
 155         PHP_MSHUTDOWN(http),
 156         PHP_RINIT(http),
 157         PHP_RSHUTDOWN(http),
 158         PHP_MINFO(http),
 159         HTTP_PEXT_VERSION,
 160         STANDARD_MODULE_PROPERTIES
 161 };
 162 /* }}} */
 163
 164 int http_module_number;
 165
 166 /* {{{ http_globals */
 167 static void http_globals_init_once(zend_http_globals *G)
 168 {
 169         memset(G, 0, sizeof(zend_http_globals));
 170 }
 171
 172 static inline void http_globals_init(zend_http_globals *G)
 173 {
 174         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 175         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 176 #ifdef HTTP_HAVE_CURL
 177         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 178         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 179         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 180         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 181 #endif
 182 }
 183
 184 static inline void http_globals_free(zend_http_globals *G)
 185 {
 186         STR_SET(G->send.content_type, NULL);
 187         STR_SET(G->send.unquoted_etag, NULL);
 188         zend_hash_destroy(&G->request.methods.custom);
 189 #ifdef HTTP_HAVE_CURL
 190         zend_llist_clean(&G->request.copies.strings);
 191         zend_llist_clean(&G->request.copies.slists);
 192         zend_llist_clean(&G->request.copies.contexts);
 193         zend_llist_clean(&G->request.copies.convs);
 194 #endif
 195 }
 196 /* }}} */
 197
 198 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 199 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 200 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 201 {
 202         if (length && SG(request_info).request_method) {
 203                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 204                         char *header = emalloc(length + sizeof("Allow: "));
 205                         sprintf(header, "Allow: %s", methods);
 206                         http_exit(405, header);
 207                 }
 208         }
 209 }
 210 /* }}} */
 211
 212 /* {{{ PHP_INI */
 213 PHP_INI_MH(http_update_allowed_methods)
 214 {
 215         http_check_allowed_methods(new_value, new_value_length);
 216         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 217 }
 218
 219 PHP_INI_DISP(http_etag_mode_displayer)
 220 {
 221         long value;
 222
 223         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 224                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 225         } else if (ini_entry->value) {
 226                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 227         } else {
 228                 value = HTTP_ETAG_MD5;
 229         }
 230
 231         switch (value)
 232         {
 233                 case HTTP_ETAG_CRC32:
 234                         ZEND_WRITE("HTTP_ETAG_CRC32", lenof("HTTP_ETAG_CRC32"));
 235                 break;
 236
 237                 case HTTP_ETAG_SHA1:
 238                         ZEND_WRITE("HTTP_ETAG_SHA1", lenof("HTTP_ETAG_SHA1"));
 239                 break;
 240
 241                 case HTTP_ETAG_MD5:
 242 #ifndef HTTP_HAVE_MHASH
 243                 default:
 244 #endif
 245                         ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 246                 break;
 247
 248 #ifdef HTTP_HAVE_MHASH
 249                 default:
 250                 {
 251                         const char *hash_name = mhash_get_hash_name_static(value);
 252
 253                         if (!hash_name) {
 254                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 255                         } else {
 256                                 ZEND_WRITE("HTTP_ETAG_MHASH_", lenof("HTTP_ETAG_MHASH_"));
 257                                 ZEND_WRITE(hash_name, strlen(hash_name));
 258                         }
 259                 }
 260                 break;
 261 #endif
 262         }
 263 }
 264
 265 #ifndef ZEND_ENGINE_2
 266 #       define OnUpdateLong OnUpdateInt
 267 #endif
 268
 269 PHP_INI_BEGIN()
 270         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 271         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 272         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 273         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 274         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 275         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 276 #ifdef ZEND_ENGINE_2
 277         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 278 #endif
 279         HTTP_PHP_INI_ENTRY("http.force_exit", "1", PHP_INI_ALL, OnUpdateBool, force_exit)
 280 PHP_INI_END()
 281 /* }}} */
 282
 283 /* {{{ PHP_MINIT_FUNCTION */
 284 PHP_MINIT_FUNCTION(http)
 285 {
 286         http_module_number = module_number;
 287
 288         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 289
 290         REGISTER_INI_ENTRIES();
 291
 292         if (    (SUCCESS != PHP_MINIT_CALL(http_support))       ||
 293                         (SUCCESS != PHP_MINIT_CALL(http_headers))       ||
 294                         (SUCCESS != PHP_MINIT_CALL(http_cache))         ||
 295 #ifdef HTTP_HAVE_CURL
 296                         (SUCCESS != PHP_MINIT_CALL(http_request))       ||
 297 #endif /* HTTP_HAVE_CURL */
 298                         (SUCCESS != PHP_MINIT_CALL(http_request_method))) {
 299                 return FAILURE;
 300         }
 301
 302 #ifdef ZEND_ENGINE_2
 303         if (    (SUCCESS != PHP_MINIT_CALL(http_util_object))           ||
 304                         (SUCCESS != PHP_MINIT_CALL(http_message_object))        ||
 305 #       ifndef WONKY
 306                         (SUCCESS != PHP_MINIT_CALL(http_response_object))       ||
 307 #       endif /* WONKY */
 308 #       ifdef HTTP_HAVE_CURL
 309                         (SUCCESS != PHP_MINIT_CALL(http_request_object))        ||
 310                         (SUCCESS != PHP_MINIT_CALL(http_requestpool_object))    ||
 311 #       endif /* HTTP_HAVE_CURL */
 312                         (SUCCESS != PHP_MINIT_CALL(http_exception_object))) {
 313                 return FAILURE;
 314         }
 315 #endif /* ZEND_ENGINE_2 */
 316
 317         return SUCCESS;
 318 }
 319 /* }}} */
 320
 321 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 322 PHP_MSHUTDOWN_FUNCTION(http)
 323 {
 324         UNREGISTER_INI_ENTRIES();
 325 #ifdef HTTP_HAVE_CURL
 326         return PHP_MSHUTDOWN_CALL(http_request);
 327 #endif
 328         return SUCCESS;
 329 }
 330 /* }}} */
 331
 332 /* {{{ PHP_RINIT_FUNCTION */
 333 PHP_RINIT_FUNCTION(http)
 334 {
 335         char *m;
 336
 337         if (m = INI_STR("http.allowed_methods")) {
 338                 http_check_allowed_methods(m, strlen(m));
 339         }
 340
 341         http_globals_init(HTTP_GLOBALS);
 342         return SUCCESS;
 343 }
 344 /* }}} */
 345
 346 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 347 PHP_RSHUTDOWN_FUNCTION(http)
 348 {
 349         STATUS status = SUCCESS;
 350
 351 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 352         status = PHP_RSHUTDOWN_CALL(http_request_method);
 353 #endif
 354
 355         http_globals_free(HTTP_GLOBALS);
 356         return status;
 357 }
 358 /* }}} */
 359
 360 /* {{{ PHP_MINFO_FUNCTION */
 361 PHP_MINFO_FUNCTION(http)
 362 {
 363         php_info_print_table_start();
 364         {
 365                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 366                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 367 #ifdef HTTP_HAVE_CURL
 368                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 369 #else
 370                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 371 #endif
 372 #ifdef HTTP_HAVE_ZLIB
 373                 {
 374                         char my_zlib_version[64] = {0};
 375
 376                         strlcat(my_zlib_version, "zlib/", 63);
 377                         strlcat(my_zlib_version, zlibVersion(), 63);
 378                         php_info_print_table_row(2, "zlib GZIP Encodings", my_zlib_version);
 379                 }
 380 #else
 381                 php_info_print_table_row(2, "zlib GZIP Encodings", "disabled");
 382 #endif
 383 #ifdef HTTP_HAVE_MHASH
 384                 {
 385                         char mhash_info[32];
 386
 387                         snprintf(mhash_info, 32, "libmhash/%d", MHASH_API_VERSION);
 388                         php_info_print_table_row(2, "mhash ETag Generator", mhash_info);
 389                 }
 390 #else
 391                 php_info_print_table_row(2, "mhash ETag Generator", "disabled");
 392 #endif
 393 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 394                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 395 #else
 396                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 397 #endif
 398                 php_info_print_table_row(2, "Registered Classes",
 399 #ifndef ZEND_ENGINE_2
 400                         "none"
 401 #else
 402                         "HttpUtil, "
 403                         "HttpMessage, "
 404 #       ifdef HTTP_HAVE_CURL
 405                         "HttpRequest, "
 406                         "HttpRequestPool, "
 407 #       endif
 408 #       ifndef WONKY
 409                         "HttpResponse"
 410 #       endif
 411 #endif
 412                 );
 413         }
 414         php_info_print_table_end();
 415
 416         php_info_print_table_start();
 417         php_info_print_table_colspan_header(2, "Supported ETag Hash Algorithms");
 418         {
 419
 420                 php_info_print_table_row(2, "PHP", "CRC32, MD5, SHA1");
 421 #ifdef HTTP_HAVE_MHASH
 422                 {
 423                         phpstr *algos = phpstr_new();
 424                         int i, c = mhash_count();
 425
 426                         for (i = 0; i <= c; ++i) {
 427                                 const char *hash = mhash_get_hash_name_static(i);
 428
 429                                 if (hash) {
 430                                         phpstr_appendf(algos, "%s, ", hash);
 431                                 }
 432                         }
 433                         phpstr_fix(algos);
 434                         php_info_print_table_row(2, "MHASH", PHPSTR_VAL(algos));
 435                         phpstr_free(&algos);
 436                 }
 437 #else
 438                 php_info_print_table_row(2, "MHASH", "not available");
 439 #endif
 440         }
 441         php_info_print_table_end();
 442
 443         php_info_print_table_start();
 444         php_info_print_table_colspan_header(2, "Request Methods");
 445         {
 446                 unsigned i;
 447                 HashPosition pos;
 448                 zval **custom_method;
 449                 phpstr *known_request_methods = phpstr_new();
 450                 phpstr *custom_request_methods = phpstr_new();
 451
 452                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 453                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 454                         phpstr_appends(known_request_methods, ", ");
 455                 }
 456                 FOREACH_HASH_VAL(pos, &HTTP_G(request).methods.custom, custom_method) {
 457                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 458                         phpstr_appends(custom_request_methods, ", ");
 459                 }
 460
 461                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 462                 phpstr_fix(known_request_methods);
 463                 phpstr_fix(custom_request_methods);
 464
 465                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 466                 php_info_print_table_row(2, "Custom",
 467                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 468                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 469
 470                 phpstr_free(&known_request_methods);
 471                 phpstr_free(&custom_request_methods);
 472         }
 473         php_info_print_table_end();
 474
 475         DISPLAY_INI_ENTRIES();
 476 }
 477 /* }}} */
 478
 479 /*
 480  * Local variables:
 481  * tab-width: 4
 482  * c-basic-offset: 4
 483  * End:
 484  * vim600: noet sw=4 ts=4 fdm=marker
 485  * vim<600: noet sw=4 ts=4
 486  */
 487