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