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