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
  61 #include <ctype.h>
  62
  63 ZEND_DECLARE_MODULE_GLOBALS(http);
  64 HTTP_DECLARE_ARG_PASS_INFO();
  65
  66 #ifdef COMPILE_DL_HTTP
  67 ZEND_GET_MODULE(http)
  68 #endif
  69
  70 /* {{{ http_functions[] */
  71 function_entry http_functions[] = {
  72         PHP_FE(http_test, NULL)
  73         PHP_FE(http_date, NULL)
  74         PHP_FE(http_absolute_uri, NULL)
  75         PHP_FE(http_negotiate_language, NULL)
  76         PHP_FE(http_negotiate_charset, NULL)
  77         PHP_FE(http_redirect, NULL)
  78         PHP_FE(http_throttle, NULL)
  79         PHP_FE(http_send_status, NULL)
  80         PHP_FE(http_send_last_modified, NULL)
  81         PHP_FE(http_send_content_type, NULL)
  82         PHP_FE(http_send_content_disposition, NULL)
  83         PHP_FE(http_match_modified, NULL)
  84         PHP_FE(http_match_etag, NULL)
  85         PHP_FE(http_cache_last_modified, NULL)
  86         PHP_FE(http_cache_etag, NULL)
  87         PHP_FE(http_send_data, NULL)
  88         PHP_FE(http_send_file, NULL)
  89         PHP_FE(http_send_stream, NULL)
  90         PHP_FE(http_chunked_decode, NULL)
  91         PHP_FE(http_parse_message, NULL)
  92         PHP_FE(http_parse_headers, NULL)
  93         PHP_FE(http_get_request_headers, NULL)
  94         PHP_FE(http_get_request_body, NULL)
  95         PHP_FE(http_match_request_header, NULL)
  96 #ifdef HTTP_HAVE_CURL
  97         PHP_FE(http_get, http_arg_pass_ref_3)
  98         PHP_FE(http_head, http_arg_pass_ref_3)
  99         PHP_FE(http_post_data, http_arg_pass_ref_4)
 100         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 101         PHP_FE(http_put_file, http_arg_pass_ref_4)
 102         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 103 #endif
 104         PHP_FE(http_request_method_register, NULL)
 105         PHP_FE(http_request_method_unregister, NULL)
 106         PHP_FE(http_request_method_exists, NULL)
 107         PHP_FE(http_request_method_name, NULL)
 108 #ifndef ZEND_ENGINE_2
 109         PHP_FE(http_build_query, NULL)
 110 #endif
 111         PHP_FE(ob_etaghandler, NULL)
 112         {NULL, NULL, NULL}
 113 };
 114 /* }}} */
 115
 116 /* {{{ http_module_entry */
 117 zend_module_entry http_module_entry = {
 118 #if ZEND_MODULE_API_NO >= 20010901
 119         STANDARD_MODULE_HEADER,
 120 #endif
 121         "http",
 122         http_functions,
 123         PHP_MINIT(http),
 124         PHP_MSHUTDOWN(http),
 125         PHP_RINIT(http),
 126         PHP_RSHUTDOWN(http),
 127         PHP_MINFO(http),
 128 #if ZEND_MODULE_API_NO >= 20010901
 129         HTTP_PEXT_VERSION,
 130 #endif
 131         STANDARD_MODULE_PROPERTIES
 132 };
 133 /* }}} */
 134
 135 int http_module_number;
 136
 137 /* {{{ http_globals */
 138 static void http_globals_init_once(zend_http_globals *G)
 139 {
 140         memset(G, 0, sizeof(zend_http_globals));
 141 }
 142
 143 static inline void http_globals_init(zend_http_globals *G)
 144 {
 145         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 146         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 147 #ifdef HTTP_HAVE_CURL
 148         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 149         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 150         zend_llist_init(&G->request.copies.contexts, sizeof(http_curl_callback_ctx *), http_request_data_free_context, 0);
 151         zend_llist_init(&G->request.copies.convs, sizeof(http_curl_conv *), http_request_data_free_conv, 0);
 152 #endif
 153 }
 154
 155 static inline void http_globals_free(zend_http_globals *G)
 156 {
 157         STR_SET(G->send.content_type, NULL);
 158         STR_SET(G->send.unquoted_etag, NULL);
 159         zend_hash_destroy(&G->request.methods.custom);
 160 #ifdef HTTP_HAVE_CURL
 161         zend_llist_clean(&G->request.copies.strings);
 162         zend_llist_clean(&G->request.copies.slists);
 163         zend_llist_clean(&G->request.copies.contexts);
 164         zend_llist_clean(&G->request.copies.convs);
 165 #endif
 166 }
 167 /* }}} */
 168
 169 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 170 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 171 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 172 {
 173         if (length && SG(request_info).request_method) {
 174                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 175                         char *header = emalloc(length + sizeof("Allow: "));
 176                         sprintf(header, "Allow: %s", methods);
 177                         http_exit(405, header);
 178                 }
 179         }
 180 }
 181 /* }}} */
 182
 183 /* {{{ PHP_INI */
 184 PHP_INI_MH(http_update_allowed_methods)
 185 {
 186         http_check_allowed_methods(new_value, new_value_length);
 187         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 188 }
 189
 190 PHP_INI_DISP(http_etag_mode_displayer)
 191 {
 192         long value;
 193
 194         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 195                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 196         } else if (ini_entry->value) {
 197                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 198         } else {
 199                 value = HTTP_ETAG_MD5;
 200         }
 201
 202         switch (value)
 203         {
 204                 case HTTP_ETAG_SHA1:
 205                         ZEND_WRITE("HTTP_ETAG_SHA1", lenof("HTTP_ETAG_SHA1"));
 206                 break;
 207
 208                 case HTTP_ETAG_MD5:
 209 #ifndef HTTP_HAVE_MHASH
 210                 default:
 211 #endif
 212                         ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 213                 break;
 214
 215 #ifdef HTTP_HAVE_MHASH
 216                 default:
 217                 {
 218                         const char *hash_name = mhash_get_hash_name_static(value);
 219
 220                         if (!hash_name) {
 221                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 222                         } else {
 223                                 ZEND_WRITE("HTTP_ETAG_MHASH|MHASH_", lenof("HTTP_ETAG_MHASH|MHASH_"));
 224                                 ZEND_WRITE(hash_name, strlen(hash_name));
 225                         }
 226                 }
 227                 break;
 228 #endif
 229         }
 230 }
 231
 232 #ifndef ZEND_ENGINE_2
 233 #       define OnUpdateLong OnUpdateInt
 234 #endif
 235
 236 PHP_INI_BEGIN()
 237         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 238         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 239         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 240         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 241         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 242 #ifdef ZEND_ENGINE_2
 243         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 244 #endif
 245         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 246 PHP_INI_END()
 247 /* }}} */
 248
 249
 250 /* {{{ PHP_MINIT_FUNCTION */
 251 PHP_MINIT_FUNCTION(http)
 252 {
 253         http_module_number = module_number;
 254
 255         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 256
 257         REGISTER_INI_ENTRIES();
 258
 259         HTTP_LONG_CONSTANT("HTTP_ETAG_MD5", HTTP_ETAG_MD5);
 260         HTTP_LONG_CONSTANT("HTTP_ETAG_SHA1", HTTP_ETAG_SHA1);
 261         HTTP_LONG_CONSTANT("HTTP_ETAG_MHASH", HTTP_ETAG_MHASH);
 262
 263 #ifdef HTTP_HAVE_CURL
 264         if (CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)) {
 265                 return FAILURE;
 266         }
 267 #endif /* HTTP_HAVE_CURL */
 268
 269 #ifdef ZEND_ENGINE_2
 270         http_util_object_init();
 271         http_message_object_init();
 272 #       ifndef WONKY
 273         http_response_object_init();
 274 #       endif
 275 #       ifdef HTTP_HAVE_CURL
 276         http_request_object_init();
 277         http_requestpool_object_init();
 278 #       endif /* HTTP_HAVE_CURL */
 279         http_exception_object_init();
 280 #endif /* ZEND_ENGINE_2 */
 281
 282         return SUCCESS;
 283 }
 284 /* }}} */
 285
 286 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 287 PHP_MSHUTDOWN_FUNCTION(http)
 288 {
 289         UNREGISTER_INI_ENTRIES();
 290 #ifdef HTTP_HAVE_CURL
 291         curl_global_cleanup();
 292 #endif
 293         return SUCCESS;
 294 }
 295 /* }}} */
 296
 297 /* {{{ PHP_RINIT_FUNCTION */
 298 PHP_RINIT_FUNCTION(http)
 299 {
 300         char *m;
 301
 302         if (m = INI_STR("http.allowed_methods")) {
 303                 http_check_allowed_methods(m, strlen(m));
 304         }
 305
 306         http_globals_init(HTTP_GLOBALS);
 307         return SUCCESS;
 308 }
 309 /* }}} */
 310
 311 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 312 PHP_RSHUTDOWN_FUNCTION(http)
 313 {
 314         http_globals_free(HTTP_GLOBALS);
 315         return SUCCESS;
 316 }
 317 /* }}} */
 318
 319 /* {{{ PHP_MINFO_FUNCTION */
 320 PHP_MINFO_FUNCTION(http)
 321 {
 322 #ifdef HTTP_HAVE_CURL
 323 #       define HTTP_CURL_VERSION curl_version()
 324 #else
 325 #       define HTTP_CURL_VERSION "libcurl not available"
 326 #endif
 327
 328         php_info_print_table_start();
 329         {
 330                 char full_version_string[1024] = {0};
 331                 snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 332
 333                 php_info_print_table_row(2, "Extended HTTP support:", "enabled");
 334                 php_info_print_table_row(2, "Extension Version:", full_version_string);
 335 #ifdef HTTP_HAVE_CURL
 336                 php_info_print_table_row(2, "cURL HTTP Requests:", "enabled");
 337 #else
 338                 php_info_print_table_row(2, "cURL HTTP Requests:", "disabled");
 339 #endif
 340 #ifdef HTTP_HAVE_MHASH
 341                 php_info_print_table_row(2, "mhash ETag Generator:", "enabled");
 342 #else
 343                 php_info_print_table_row(2, "mhash ETag Generator:", "disabled");
 344 #endif
 345                 php_info_print_table_row(2, "Registered Classes:",
 346 #ifndef ZEND_ENGINE_2
 347                         "none"
 348 #else
 349                         "HttpUtil, "
 350                         "HttpMessage, "
 351 #       ifdef HTTP_HAVE_CURL
 352                         "HttpRequest, "
 353                         "HttpRequestPool, "
 354 #       endif
 355 #       ifndef WONKY
 356                         "HttpResponse"
 357 #       endif
 358 #endif
 359                 );
 360         }
 361         php_info_print_table_end();
 362
 363         php_info_print_table_start();
 364         {
 365                 unsigned i;
 366                 zval **custom_method;
 367                 phpstr *known_request_methods = phpstr_new();
 368                 phpstr *custom_request_methods = phpstr_new();
 369
 370                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 371                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 372                         phpstr_appends(known_request_methods, ", ");
 373                 }
 374                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 375                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 376                         phpstr_appends(custom_request_methods, ", ");
 377                 }
 378
 379                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 380                 phpstr_fix(known_request_methods);
 381                 phpstr_fix(custom_request_methods);
 382
 383                 php_info_print_table_row(2, "Known Request Methods:", PHPSTR_VAL(known_request_methods));
 384                 php_info_print_table_row(2, "Custom Request Methods:",
 385                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 386
 387                 phpstr_free(&known_request_methods);
 388                 phpstr_free(&custom_request_methods);
 389         }
 390         php_info_print_table_end();
 391
 392         DISPLAY_INI_ENTRIES();
 393 }
 394 /* }}} */
 395
 396 /*
 397  * Local variables:
 398  * tab-width: 4
 399  * c-basic-offset: 4
 400  * End:
 401  * vim600: noet sw=4 ts=4 fdm=marker
 402  * vim<600: noet sw=4 ts=4
 403  */
 404