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 #ifdef HTTP_HAVE_ZLIB
  65 #       include <zlib.h>
  66 #endif
  67
  68 #include <ctype.h>
  69
  70 ZEND_DECLARE_MODULE_GLOBALS(http);
  71 HTTP_DECLARE_ARG_PASS_INFO();
  72
  73 #ifdef COMPILE_DL_HTTP
  74 ZEND_GET_MODULE(http)
  75 #endif
  76
  77 /* {{{ http_functions[] */
  78 zend_function_entry http_functions[] = {
  79         PHP_FE(http_test, NULL)
  80         PHP_FE(http_date, NULL)
  81         PHP_FE(http_build_uri, NULL)
  82         PHP_FALIAS(http_absolute_uri, http_build_uri, NULL)
  83         PHP_FE(http_negotiate_language, http_arg_pass_ref_2)
  84         PHP_FE(http_negotiate_charset, http_arg_pass_ref_2)
  85         PHP_FE(http_redirect, NULL)
  86         PHP_FE(http_throttle, NULL)
  87         PHP_FE(http_send_status, NULL)
  88         PHP_FE(http_send_last_modified, NULL)
  89         PHP_FE(http_send_content_type, NULL)
  90         PHP_FE(http_send_content_disposition, NULL)
  91         PHP_FE(http_match_modified, NULL)
  92         PHP_FE(http_match_etag, NULL)
  93         PHP_FE(http_cache_last_modified, NULL)
  94         PHP_FE(http_cache_etag, NULL)
  95         PHP_FE(http_send_data, NULL)
  96         PHP_FE(http_send_file, NULL)
  97         PHP_FE(http_send_stream, NULL)
  98         PHP_FE(http_chunked_decode, NULL)
  99         PHP_FE(http_parse_message, NULL)
 100         PHP_FE(http_parse_headers, NULL)
 101         PHP_FE(http_get_request_headers, NULL)
 102         PHP_FE(http_get_request_body, NULL)
 103         PHP_FE(http_match_request_header, NULL)
 104 #ifdef HTTP_HAVE_CURL
 105         PHP_FE(http_get, http_arg_pass_ref_3)
 106         PHP_FE(http_head, http_arg_pass_ref_3)
 107         PHP_FE(http_post_data, http_arg_pass_ref_4)
 108         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 109         PHP_FE(http_put_file, http_arg_pass_ref_4)
 110         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 111 #endif
 112         PHP_FE(http_request_method_register, NULL)
 113         PHP_FE(http_request_method_unregister, NULL)
 114         PHP_FE(http_request_method_exists, NULL)
 115         PHP_FE(http_request_method_name, NULL)
 116 #ifndef ZEND_ENGINE_2
 117         PHP_FE(http_build_query, NULL)
 118 #endif
 119         PHP_FE(ob_etaghandler, NULL)
 120 #ifdef HTTP_HAVE_ZLIB
 121         PHP_FE(http_gzencode, NULL)
 122         PHP_FE(http_gzdecode, NULL)
 123         PHP_FE(http_deflate, NULL)
 124         PHP_FE(http_inflate, NULL)
 125         PHP_FE(http_compress, NULL)
 126         PHP_FE(http_uncompress, NULL)
 127 #endif
 128         PHP_FE(http_support, NULL)
 129
 130         EMPTY_FUNCTION_ENTRY
 131 };
 132 /* }}} */
 133
 134 /* {{{ http_module_entry */
 135 zend_module_entry http_module_entry = {
 136 #if ZEND_MODULE_API_NO >= 20010901
 137         STANDARD_MODULE_HEADER,
 138 #endif
 139         "http",
 140         http_functions,
 141         PHP_MINIT(http),
 142         PHP_MSHUTDOWN(http),
 143         PHP_RINIT(http),
 144         PHP_RSHUTDOWN(http),
 145         PHP_MINFO(http),
 146 #if ZEND_MODULE_API_NO >= 20010901
 147         HTTP_PEXT_VERSION,
 148 #endif
 149         STANDARD_MODULE_PROPERTIES
 150 };
 151 /* }}} */
 152
 153 int http_module_number;
 154
 155 /* {{{ http_globals */
 156 static void http_globals_init_once(zend_http_globals *G)
 157 {
 158         memset(G, 0, sizeof(zend_http_globals));
 159 }
 160
 161 static inline void http_globals_init(zend_http_globals *G)
 162 {
 163         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 164         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 165 #ifdef HTTP_HAVE_CURL
 166         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 167         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 168         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 169         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 170 #endif
 171 }
 172
 173 static inline void http_globals_free(zend_http_globals *G)
 174 {
 175         STR_SET(G->send.content_type, NULL);
 176         STR_SET(G->send.unquoted_etag, NULL);
 177         zend_hash_destroy(&G->request.methods.custom);
 178 #ifdef HTTP_HAVE_CURL
 179         zend_llist_clean(&G->request.copies.strings);
 180         zend_llist_clean(&G->request.copies.slists);
 181         zend_llist_clean(&G->request.copies.contexts);
 182         zend_llist_clean(&G->request.copies.convs);
 183 #endif
 184 }
 185 /* }}} */
 186
 187 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 188 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 189 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 190 {
 191         if (length && SG(request_info).request_method) {
 192                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 193                         char *header = emalloc(length + sizeof("Allow: "));
 194                         sprintf(header, "Allow: %s", methods);
 195                         http_exit(405, header);
 196                 }
 197         }
 198 }
 199 /* }}} */
 200
 201 /* {{{ PHP_INI */
 202 PHP_INI_MH(http_update_allowed_methods)
 203 {
 204         http_check_allowed_methods(new_value, new_value_length);
 205         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 206 }
 207
 208 PHP_INI_DISP(http_etag_mode_displayer)
 209 {
 210         long value;
 211
 212         if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
 213                 value = (ini_entry->orig_value) ? atoi(ini_entry->orig_value) : HTTP_ETAG_MD5;
 214         } else if (ini_entry->value) {
 215                 value = (ini_entry->value[0]) ? atoi(ini_entry->value) : HTTP_ETAG_MD5;
 216         } else {
 217                 value = HTTP_ETAG_MD5;
 218         }
 219
 220         switch (value)
 221         {
 222                 case HTTP_ETAG_CRC32:
 223                         ZEND_WRITE("HTTP_ETAG_CRC32", lenof("HTTP_ETAG_CRC32"));
 224                 break;
 225
 226                 case HTTP_ETAG_SHA1:
 227                         ZEND_WRITE("HTTP_ETAG_SHA1", lenof("HTTP_ETAG_SHA1"));
 228                 break;
 229
 230                 case HTTP_ETAG_MD5:
 231 #ifndef HTTP_HAVE_MHASH
 232                 default:
 233 #endif
 234                         ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 235                 break;
 236
 237 #ifdef HTTP_HAVE_MHASH
 238                 default:
 239                 {
 240                         const char *hash_name = mhash_get_hash_name_static(value);
 241
 242                         if (!hash_name) {
 243                                 ZEND_WRITE("HTTP_ETAG_MD5", lenof("HTTP_ETAG_MD5"));
 244                         } else {
 245                                 ZEND_WRITE("HTTP_ETAG_MHASH_", lenof("HTTP_ETAG_MHASH_"));
 246                                 ZEND_WRITE(hash_name, strlen(hash_name));
 247                         }
 248                 }
 249                 break;
 250 #endif
 251         }
 252 }
 253
 254 #ifndef ZEND_ENGINE_2
 255 #       define OnUpdateLong OnUpdateInt
 256 #endif
 257
 258 PHP_INI_BEGIN()
 259         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 260         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 261         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 262         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 263         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 264 #ifdef ZEND_ENGINE_2
 265         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 266 #endif
 267         HTTP_PHP_INI_ENTRY_EX("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, http_etag_mode_displayer, etag.mode)
 268 PHP_INI_END()
 269 /* }}} */
 270
 271 /* {{{ PHP_MINIT_FUNCTION */
 272 PHP_MINIT_FUNCTION(http)
 273 {
 274         http_module_number = module_number;
 275
 276         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 277
 278         REGISTER_INI_ENTRIES();
 279
 280         if (    (SUCCESS != http_support_global_init())                 ||
 281                         (SUCCESS != http_headers_global_init())                 ||
 282                         (SUCCESS != http_cache_global_init())                   ||
 283                         (SUCCESS != http_request_method_global_init())) {
 284                 return FAILURE;
 285         }
 286 #ifdef HTTP_HAVE_CURL
 287         if (SUCCESS != http_request_global_init()) {
 288                 return FAILURE;
 289         }
 290 #endif /* HTTP_HAVE_CURL */
 291
 292 #ifdef ZEND_ENGINE_2
 293         http_util_object_init();
 294         http_message_object_init();
 295 #       ifndef WONKY
 296         http_response_object_init();
 297 #       endif
 298 #       ifdef HTTP_HAVE_CURL
 299         http_request_object_init();
 300         http_requestpool_object_init();
 301 #       endif /* HTTP_HAVE_CURL */
 302         http_exception_object_init();
 303 #endif /* ZEND_ENGINE_2 */
 304
 305         return SUCCESS;
 306 }
 307 /* }}} */
 308
 309 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 310 PHP_MSHUTDOWN_FUNCTION(http)
 311 {
 312         UNREGISTER_INI_ENTRIES();
 313 #ifdef HTTP_HAVE_CURL
 314         http_request_global_cleanup();
 315 #endif
 316         return SUCCESS;
 317 }
 318 /* }}} */
 319
 320 /* {{{ PHP_RINIT_FUNCTION */
 321 PHP_RINIT_FUNCTION(http)
 322 {
 323         char *m;
 324
 325         if (m = INI_STR("http.allowed_methods")) {
 326                 http_check_allowed_methods(m, strlen(m));
 327         }
 328
 329         http_globals_init(HTTP_GLOBALS);
 330         return SUCCESS;
 331 }
 332 /* }}} */
 333
 334 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 335 PHP_RSHUTDOWN_FUNCTION(http)
 336 {
 337 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 338         int i, c = zend_hash_num_elements(&HTTP_G(request).methods.custom);
 339
 340         for (i = 0; i < c; ++i) {
 341                 http_request_method_unregister(HTTP_MAX_REQUEST_METHOD + i);
 342         }
 343 #endif
 344         http_globals_free(HTTP_GLOBALS);
 345         return SUCCESS;
 346 }
 347 /* }}} */
 348
 349 /* {{{ PHP_MINFO_FUNCTION */
 350 PHP_MINFO_FUNCTION(http)
 351 {
 352         php_info_print_table_start();
 353         {
 354                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 355                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 356 #ifdef HTTP_HAVE_CURL
 357                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 358 #else
 359                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 360 #endif
 361 #ifdef HTTP_HAVE_ZLIB
 362                 {
 363                         char my_zlib_version[64] = {0};
 364
 365                         strlcat(my_zlib_version, "zlib/", 63);
 366                         strlcat(my_zlib_version, zlibVersion(), 63);
 367                         php_info_print_table_row(2, "zlib GZIP Encodings", my_zlib_version);
 368                 }
 369 #else
 370                 php_info_print_table_row(2, "zlib GZIP Encodings", "disabled");
 371 #endif
 372 #ifdef HTTP_HAVE_MHASH
 373                 {
 374                         char mhash_info[32];
 375
 376                         snprintf(mhash_info, 32, "libmhash/%d", MHASH_API_VERSION);
 377                         php_info_print_table_row(2, "mhash ETag Generator", mhash_info);
 378                 }
 379 #else
 380                 php_info_print_table_row(2, "mhash ETag Generator", "disabled");
 381 #endif
 382 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 383                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 384 #else
 385                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 386 #endif
 387                 php_info_print_table_row(2, "Registered Classes",
 388 #ifndef ZEND_ENGINE_2
 389                         "none"
 390 #else
 391                         "HttpUtil, "
 392                         "HttpMessage, "
 393 #       ifdef HTTP_HAVE_CURL
 394                         "HttpRequest, "
 395                         "HttpRequestPool, "
 396 #       endif
 397 #       ifndef WONKY
 398                         "HttpResponse"
 399 #       endif
 400 #endif
 401                 );
 402         }
 403         php_info_print_table_end();
 404
 405         php_info_print_table_start();
 406         php_info_print_table_colspan_header(2, "Supported ETag Hash Algorithms");
 407         {
 408
 409                 php_info_print_table_row(2, "PHP", "CRC32, MD5, SHA1");
 410 #ifdef HTTP_HAVE_MHASH
 411                 {
 412                         phpstr *algos = phpstr_new();
 413                         int i, c = mhash_count();
 414
 415                         for (i = 0; i <= c; ++i) {
 416                                 const char *hash = mhash_get_hash_name_static(i);
 417
 418                                 if (hash) {
 419                                         phpstr_appendf(algos, "%s, ", hash);
 420                                 }
 421                         }
 422                         phpstr_fix(algos);
 423                         php_info_print_table_row(2, "MHASH", PHPSTR_VAL(algos));
 424                         phpstr_free(&algos);
 425                 }
 426 #else
 427                 php_info_print_table_row(2, "MHASH", "not available");
 428 #endif
 429         }
 430         php_info_print_table_end();
 431
 432         php_info_print_table_start();
 433         php_info_print_table_colspan_header(2, "Request Methods");
 434         {
 435                 unsigned i;
 436                 zval **custom_method;
 437                 phpstr *known_request_methods = phpstr_new();
 438                 phpstr *custom_request_methods = phpstr_new();
 439
 440                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 441                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 442                         phpstr_appends(known_request_methods, ", ");
 443                 }
 444                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 445                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 446                         phpstr_appends(custom_request_methods, ", ");
 447                 }
 448
 449                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 450                 phpstr_fix(known_request_methods);
 451                 phpstr_fix(custom_request_methods);
 452
 453                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 454                 php_info_print_table_row(2, "Custom",
 455                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 456                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 457
 458                 phpstr_free(&known_request_methods);
 459                 phpstr_free(&custom_request_methods);
 460         }
 461         php_info_print_table_end();
 462
 463         DISPLAY_INI_ENTRIES();
 464 }
 465 /* }}} */
 466
 467 /*
 468  * Local variables:
 469  * tab-width: 4
 470  * c-basic-offset: 4
 471  * End:
 472  * vim600: noet sw=4 ts=4 fdm=marker
 473  * vim<600: noet sw=4 ts=4
 474  */
 475