git.m6w6.name Git - m6w6/ext-http/blob - http.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
  19 #ifdef HAVE_CONFIG_H
  20 #       include "config.h"
  21 #endif
  22 #include "php.h"
  23
  24 #include "SAPI.h"
  25 #include "php_ini.h"
  26 #include "ext/standard/info.h"
  27
  28 #include "php_http.h"
  29 #include "php_http_std_defs.h"
  30 #include "php_http_api.h"
  31 #include "php_http_send_api.h"
  32 #include "php_http_cache_api.h"
  33 #include "php_http_headers_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
  65 #include <ctype.h>
  66
  67 ZEND_DECLARE_MODULE_GLOBALS(http);
  68 HTTP_DECLARE_ARG_PASS_INFO();
  69
  70 #ifdef COMPILE_DL_HTTP
  71 ZEND_GET_MODULE(http)
  72 #endif
  73
  74 /* {{{ http_functions[] */
  75 zend_function_entry http_functions[] = {
  76         PHP_FE(http_test, NULL)
  77         PHP_FE(http_date, NULL)
  78         PHP_FE(http_build_uri, NULL)
  79         PHP_FALIAS(http_absolute_uri, http_build_uri, NULL)
  80         PHP_FE(http_negotiate_language, http_arg_pass_ref_2)
  81         PHP_FE(http_negotiate_charset, http_arg_pass_ref_2)
  82         PHP_FE(http_redirect, NULL)
  83         PHP_FE(http_throttle, NULL)
  84         PHP_FE(http_send_status, NULL)
  85         PHP_FE(http_send_last_modified, NULL)
  86         PHP_FE(http_send_content_type, NULL)
  87         PHP_FE(http_send_content_disposition, NULL)
  88         PHP_FE(http_match_modified, NULL)
  89         PHP_FE(http_match_etag, NULL)
  90         PHP_FE(http_cache_last_modified, NULL)
  91         PHP_FE(http_cache_etag, NULL)
  92         PHP_FE(http_send_data, NULL)
  93         PHP_FE(http_send_file, NULL)
  94         PHP_FE(http_send_stream, NULL)
  95         PHP_FE(http_chunked_decode, NULL)
  96         PHP_FE(http_parse_message, NULL)
  97         PHP_FE(http_parse_headers, NULL)
  98         PHP_FE(http_get_request_headers, NULL)
  99         PHP_FE(http_get_request_body, NULL)
 100         PHP_FE(http_match_request_header, NULL)
 101 #ifdef HTTP_HAVE_CURL
 102         PHP_FE(http_get, http_arg_pass_ref_3)
 103         PHP_FE(http_head, http_arg_pass_ref_3)
 104         PHP_FE(http_post_data, http_arg_pass_ref_4)
 105         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 106         PHP_FE(http_put_file, http_arg_pass_ref_4)
 107         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 108 #endif
 109         PHP_FE(http_request_method_register, NULL)
 110         PHP_FE(http_request_method_unregister, NULL)
 111         PHP_FE(http_request_method_exists, NULL)
 112         PHP_FE(http_request_method_name, NULL)
 113 #ifndef ZEND_ENGINE_2
 114         PHP_FE(http_build_query, NULL)
 115 #endif
 116         PHP_FE(ob_etaghandler, NULL)
 117 #ifdef HTTP_HAVE_ZLIB
 118         PHP_FE(http_gzencode, NULL)
 119         PHP_FE(http_gzdecode, NULL)
 120         PHP_FE(http_deflate, NULL)
 121         PHP_FE(http_inflate, NULL)
 122         PHP_FE(http_compress, NULL)
 123         PHP_FE(http_uncompress, NULL)
 124 #endif
 125
 126         EMPTY_FUNCTION_ENTRY
 127 };
 128 /* }}} */
 129
 130 /* {{{ http_module_entry */
 131 zend_module_entry http_module_entry = {
 132 #if ZEND_MODULE_API_NO >= 20010901
 133         STANDARD_MODULE_HEADER,
 134 #endif
 135         "http",
 136         http_functions,
 137         PHP_MINIT(http),
 138         PHP_MSHUTDOWN(http),
 139         PHP_RINIT(http),
 140         PHP_RSHUTDOWN(http),
 141         PHP_MINFO(http),
 142 #if ZEND_MODULE_API_NO >= 20010901
 143         HTTP_PEXT_VERSION,
 144 #endif
 145         STANDARD_MODULE_PROPERTIES
 146 };
 147 /* }}} */
 148
 149 int http_module_number;
 150
 151 /* {{{ http_globals */
 152 static void http_globals_init_once(zend_http_globals *G)
 153 {
 154         memset(G, 0, sizeof(zend_http_globals));
 155 }
 156
 157 static inline void http_globals_init(zend_http_globals *G)
 158 {
 159         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 160         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 161 #ifdef HTTP_HAVE_CURL
 162         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 163         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 164         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 165         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 166 #endif
 167 }
 168
 169 static inline void http_globals_free(zend_http_globals *G)
 170 {
 171         STR_SET(G->send.content_type, NULL);
 172         STR_SET(G->send.unquoted_etag, NULL);
 173         zend_hash_destroy(&G->request.methods.custom);
 174 #ifdef HTTP_HAVE_CURL
 175         zend_llist_clean(&G->request.copies.strings);
 176         zend_llist_clean(&G->request.copies.slists);
 177         zend_llist_clean(&G->request.copies.contexts);
 178         zend_llist_clean(&G->request.copies.convs);
 179 #endif
 180 }
 181 /* }}} */
 182
 183 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 184 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 185 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 186 {
 187         if (length && SG(request_info).request_method) {
 188                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 189                         char *header = emalloc(length + sizeof("Allow: "));
 190                         sprintf(header, "Allow: %s", methods);
 191                         http_exit(405, header);
 192                 }
 193         }
 194 }
 195 /* }}} */
 196
 197 /* {{{ PHP_INI */
 198 PHP_INI_MH(http_update_allowed_methods)
 199 {
 200         http_check_allowed_methods(new_value, new_value_length);
 201         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 202 }
 203
 204 PHP_INI_DISP(http_etag_mode_displayer)
 205 {
 206         long value;
 207
 208         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 209                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 210         } else if (ini_entry->value) {
 211                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 212         } else {
 213                 value = HTTP_ETAG_MD5;
 214         }
 215
 216         switch (value)
 217         {
 218                 case HTTP_ETAG_CRC32:
 219                         ZEND_WRITE("HTTP_ETAG_CRC32", lenof("HTTP_ETAG_CRC32"));
 220                 break;
 221
 222                 case HTTP_ETAG_SHA1:
 223                         ZEND_WRITE("HTTP_ETAG_SHA1", lenof("HTTP_ETAG_SHA1"));
 224                 break;
 225
 226                 case HTTP_ETAG_MD5:
 227 #ifndef HTTP_HAVE_MHASH
 228                 default:
 229 #endif
 230                         ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 231                 break;
 232
 233 #ifdef HTTP_HAVE_MHASH
 234                 default:
 235                 {
 236                         const char *hash_name = mhash_get_hash_name_static(value);
 237
 238                         if (!hash_name) {
 239                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 240                         } else {
 241                                 ZEND_WRITE("HTTP_ETAG_MHASH_", lenof("HTTP_ETAG_MHASH_"));
 242                                 ZEND_WRITE(hash_name, strlen(hash_name));
 243                         }
 244                 }
 245                 break;
 246 #endif
 247         }
 248 }
 249
 250 #ifndef ZEND_ENGINE_2
 251 #       define OnUpdateLong OnUpdateInt
 252 #endif
 253
 254 PHP_INI_BEGIN()
 255         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 256         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 257         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 258         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 259         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 260 #ifdef ZEND_ENGINE_2
 261         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 262 #endif
 263         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 264 PHP_INI_END()
 265 /* }}} */
 266
 267 /* {{{ PHP_MINIT_FUNCTION */
 268 PHP_MINIT_FUNCTION(http)
 269 {
 270         http_module_number = module_number;
 271
 272         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 273
 274         REGISTER_INI_ENTRIES();
 275
 276         if (SUCCESS != http_headers_global_init()) {
 277                 return FAILURE;
 278         }
 279         if (SUCCESS != http_cache_global_init()) {
 280                 return FAILURE;
 281         }
 282         if (SUCCESS != http_request_method_global_init()) {
 283                 return FAILURE;
 284         }
 285 #ifdef HTTP_HAVE_CURL
 286         if (SUCCESS != http_request_global_init()) {
 287                 return FAILURE;
 288         }
 289 #endif /* HTTP_HAVE_CURL */
 290
 291 #ifdef ZEND_ENGINE_2
 292         http_util_object_init();
 293         http_message_object_init();
 294 #       ifndef WONKY
 295         http_response_object_init();
 296 #       endif
 297 #       ifdef HTTP_HAVE_CURL
 298         http_request_object_init();
 299         http_requestpool_object_init();
 300 #       endif /* HTTP_HAVE_CURL */
 301         http_exception_object_init();
 302 #endif /* ZEND_ENGINE_2 */
 303
 304         return SUCCESS;
 305 }
 306 /* }}} */
 307
 308 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 309 PHP_MSHUTDOWN_FUNCTION(http)
 310 {
 311         UNREGISTER_INI_ENTRIES();
 312 #ifdef HTTP_HAVE_CURL
 313         http_request_global_cleanup();
 314 #endif
 315         return SUCCESS;
 316 }
 317 /* }}} */
 318
 319 /* {{{ PHP_RINIT_FUNCTION */
 320 PHP_RINIT_FUNCTION(http)
 321 {
 322         char *m;
 323
 324         if (m = INI_STR("http.allowed_methods")) {
 325                 http_check_allowed_methods(m, strlen(m));
 326         }
 327
 328         http_globals_init(HTTP_GLOBALS);
 329         return SUCCESS;
 330 }
 331 /* }}} */
 332
 333 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 334 PHP_RSHUTDOWN_FUNCTION(http)
 335 {
 336 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 337         int i, c = zend_hash_num_elements(&HTTP_G(request).methods.custom);
 338
 339         for (i = 0; i < c; ++i) {
 340                 http_request_method_unregister(HTTP_MAX_REQUEST_METHOD + i);
 341         }
 342 #endif
 343         http_globals_free(HTTP_GLOBALS);
 344         return SUCCESS;
 345 }
 346 /* }}} */
 347
 348 /* {{{ PHP_MINFO_FUNCTION */
 349 PHP_MINFO_FUNCTION(http)
 350 {
 351         php_info_print_table_start();
 352         {
 353                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 354                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 355 #ifdef HTTP_HAVE_CURL
 356                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 357 #else
 358                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 359 #endif
 360 #ifdef HTTP_HAVE_MHASH
 361                 {
 362                         char mhash_info[32];
 363
 364                         snprintf(mhash_info, 32, "libmhash/%d", MHASH_API_VERSION);
 365                         php_info_print_table_row(2, "mhash ETag Generator", mhash_info);
 366                 }
 367 #else
 368                 php_info_print_table_row(2, "mhash ETag Generator", "disabled");
 369 #endif
 370 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 371                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 372 #else
 373                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 374 #endif
 375                 php_info_print_table_row(2, "Registered Classes",
 376 #ifndef ZEND_ENGINE_2
 377                         "none"
 378 #else
 379                         "HttpUtil, "
 380                         "HttpMessage, "
 381 #       ifdef HTTP_HAVE_CURL
 382                         "HttpRequest, "
 383                         "HttpRequestPool, "
 384 #       endif
 385 #       ifndef WONKY
 386                         "HttpResponse"
 387 #       endif
 388 #endif
 389                 );
 390         }
 391         php_info_print_table_end();
 392
 393         php_info_print_table_start();
 394         php_info_print_table_colspan_header(2, "Supported ETag Hash Algorithms");
 395         {
 396
 397                 php_info_print_table_row(2, "PHP", "CRC32, MD5, SHA1");
 398 #ifdef HTTP_HAVE_MHASH
 399                 {
 400                         phpstr *algos = phpstr_new();
 401                         int i, c = mhash_count();
 402
 403                         for (i = 0; i <= c; ++i) {
 404                                 const char *hash = mhash_get_hash_name_static(i);
 405
 406                                 if (hash) {
 407                                         phpstr_appendf(algos, "%s, ", hash);
 408                                 }
 409                         }
 410                         phpstr_fix(algos);
 411                         php_info_print_table_row(2, "MHASH", PHPSTR_VAL(algos));
 412                         phpstr_free(&algos);
 413                 }
 414 #else
 415                 php_info_print_table_row(2, "MHASH", "not available");
 416 #endif
 417         }
 418         php_info_print_table_end();
 419
 420         php_info_print_table_start();
 421         php_info_print_table_colspan_header(2, "Request Methods");
 422         {
 423                 unsigned i;
 424                 zval **custom_method;
 425                 phpstr *known_request_methods = phpstr_new();
 426                 phpstr *custom_request_methods = phpstr_new();
 427
 428                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 429                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 430                         phpstr_appends(known_request_methods, ", ");
 431                 }
 432                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 433                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 434                         phpstr_appends(custom_request_methods, ", ");
 435                 }
 436
 437                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 438                 phpstr_fix(known_request_methods);
 439                 phpstr_fix(custom_request_methods);
 440
 441                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 442                 php_info_print_table_row(2, "Custom",
 443                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 444                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 445
 446                 phpstr_free(&known_request_methods);
 447                 phpstr_free(&custom_request_methods);
 448         }
 449         php_info_print_table_end();
 450
 451         DISPLAY_INI_ENTRIES();
 452 }
 453 /* }}} */
 454
 455 /*
 456  * Local variables:
 457  * tab-width: 4
 458  * c-basic-offset: 4
 459  * End:
 460  * vim600: noet sw=4 ts=4 fdm=marker
 461  * vim<600: noet sw=4 ts=4
 462  */
 463