git.m6w6.name Git - m6w6/ext-http/blob - http.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2005, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15
  16 #ifdef HAVE_CONFIG_H
  17 #       include "config.h"
  18 #endif
  19 #include "php.h"
  20
  21 #include "zend_extensions.h"
  22
  23 #include "SAPI.h"
  24 #include "php_ini.h"
  25 #include "ext/standard/info.h"
  26
  27 #include "php_http.h"
  28 #include "php_http_std_defs.h"
  29 #include "php_http_api.h"
  30 #include "php_http_send_api.h"
  31 #include "php_http_cache_api.h"
  32 #include "php_http_headers_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_filter_api.h"
  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_ZLIB
  62 #       include <zlib.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_negotiate_content_type, http_arg_pass_ref_2)
  83         PHP_FE(http_redirect, NULL)
  84         PHP_FE(http_throttle, NULL)
  85         PHP_FE(http_send_status, NULL)
  86         PHP_FE(http_send_last_modified, NULL)
  87         PHP_FE(http_send_content_type, NULL)
  88         PHP_FE(http_send_content_disposition, NULL)
  89         PHP_FE(http_match_modified, NULL)
  90         PHP_FE(http_match_etag, NULL)
  91         PHP_FE(http_cache_last_modified, NULL)
  92         PHP_FE(http_cache_etag, NULL)
  93         PHP_FE(http_send_data, NULL)
  94         PHP_FE(http_send_file, NULL)
  95         PHP_FE(http_send_stream, NULL)
  96         PHP_FE(http_chunked_decode, NULL)
  97         PHP_FE(http_parse_message, NULL)
  98         PHP_FE(http_parse_headers, NULL)
  99         PHP_FE(http_get_request_headers, NULL)
 100         PHP_FE(http_get_request_body, NULL)
 101         PHP_FE(http_match_request_header, NULL)
 102 #ifdef HTTP_HAVE_CURL
 103         PHP_FE(http_get, http_arg_pass_ref_3)
 104         PHP_FE(http_head, http_arg_pass_ref_3)
 105         PHP_FE(http_post_data, http_arg_pass_ref_4)
 106         PHP_FE(http_post_fields, http_arg_pass_ref_5)
 107         PHP_FE(http_put_file, http_arg_pass_ref_4)
 108         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 109 #endif
 110         PHP_FE(http_request_method_register, NULL)
 111         PHP_FE(http_request_method_unregister, NULL)
 112         PHP_FE(http_request_method_exists, NULL)
 113         PHP_FE(http_request_method_name, NULL)
 114 #ifndef ZEND_ENGINE_2
 115         PHP_FE(http_build_query, NULL)
 116 #endif
 117         PHP_FE(ob_etaghandler, NULL)
 118 #ifdef HTTP_HAVE_ZLIB
 119         PHP_FE(http_gzencode, NULL)
 120         PHP_FE(http_gzdecode, NULL)
 121         PHP_FE(http_deflate, NULL)
 122         PHP_FE(http_inflate, NULL)
 123         PHP_FE(http_compress, NULL)
 124         PHP_FE(http_uncompress, NULL)
 125 #endif
 126         PHP_FE(http_support, NULL)
 127
 128         EMPTY_FUNCTION_ENTRY
 129 };
 130 /* }}} */
 131
 132 /* {{{ http_module_dep */
 133 #if ZEND_EXTENSION_API_NO >= 220050617
 134 static zend_module_dep http_module_dep[] = {
 135 #       ifdef HAVE_SPL
 136         ZEND_MOD_REQUIRED("spl")
 137 #       endif
 138         {NULL, NULL, NULL, 0}
 139 };
 140 #endif
 141 /* }}} */
 142
 143 /* {{{ http_module_entry */
 144 zend_module_entry http_module_entry = {
 145 #if ZEND_EXTENSION_API_NO >= 220050617
 146         STANDARD_MODULE_HEADER_EX, NULL,
 147         http_module_dep,
 148 #else
 149         STANDARD_MODULE_HEADER,
 150 #endif
 151         "http",
 152         http_functions,
 153         PHP_MINIT(http),
 154         PHP_MSHUTDOWN(http),
 155         PHP_RINIT(http),
 156         PHP_RSHUTDOWN(http),
 157         PHP_MINFO(http),
 158         HTTP_PEXT_VERSION,
 159         STANDARD_MODULE_PROPERTIES
 160 };
 161 /* }}} */
 162
 163 int http_module_number;
 164
 165 /* {{{ http_globals */
 166 static void http_globals_init_once(zend_http_globals *G)
 167 {
 168         memset(G, 0, sizeof(zend_http_globals));
 169 }
 170
 171 static inline void http_globals_init(zend_http_globals *G)
 172 {
 173         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 174         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 175 #ifdef HTTP_HAVE_CURL
 176         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 177         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 178         zend_llist_init(&G->request.copies.contexts, sizeof(http_request_callback_ctx *), http_request_data_free_context, 0);
 179         zend_llist_init(&G->request.copies.convs, sizeof(http_request_conv *), http_request_data_free_conv, 0);
 180 #endif
 181 }
 182
 183 static inline void http_globals_free(zend_http_globals *G)
 184 {
 185         STR_SET(G->send.content_type, NULL);
 186         STR_SET(G->send.unquoted_etag, NULL);
 187         zend_hash_destroy(&G->request.methods.custom);
 188 #ifdef HTTP_HAVE_CURL
 189         zend_llist_clean(&G->request.copies.strings);
 190         zend_llist_clean(&G->request.copies.slists);
 191         zend_llist_clean(&G->request.copies.contexts);
 192         zend_llist_clean(&G->request.copies.convs);
 193 #endif
 194 }
 195 /* }}} */
 196
 197 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 198 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 199 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 200 {
 201         if (length && SG(request_info).request_method) {
 202                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 203                         char *header = emalloc(length + sizeof("Allow: "));
 204                         sprintf(header, "Allow: %s", methods);
 205                         http_exit(405, header);
 206                 }
 207         }
 208 }
 209 /* }}} */
 210
 211 /* {{{ PHP_INI */
 212 PHP_INI_MH(http_update_allowed_methods)
 213 {
 214         http_check_allowed_methods(new_value, new_value_length);
 215         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 216 }
 217
 218 #ifndef ZEND_ENGINE_2
 219 #       define OnUpdateLong OnUpdateInt
 220 #endif
 221
 222 PHP_INI_BEGIN()
 223         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 224         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 225         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 226         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 227         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 228         HTTP_PHP_INI_ENTRY("http.etag_mode", "MD5", PHP_INI_ALL, OnUpdateString, etag.mode)
 229 #ifdef ZEND_ENGINE_2
 230         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 231 #endif
 232         HTTP_PHP_INI_ENTRY("http.force_exit", "1", PHP_INI_ALL, OnUpdateBool, force_exit)
 233 PHP_INI_END()
 234 /* }}} */
 235
 236 /* {{{ PHP_MINIT_FUNCTION */
 237 PHP_MINIT_FUNCTION(http)
 238 {
 239         http_module_number = module_number;
 240
 241         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 242
 243         REGISTER_INI_ENTRIES();
 244
 245         if (    (SUCCESS != PHP_MINIT_CALL(http_support))       ||
 246                         (SUCCESS != PHP_MINIT_CALL(http_headers))       ||
 247 #ifdef HTTP_HAVE_CURL
 248                         (SUCCESS != PHP_MINIT_CALL(http_request))       ||
 249 #endif /* HTTP_HAVE_CURL */
 250                         (SUCCESS != PHP_MINIT_CALL(http_request_method))) {
 251                 return FAILURE;
 252         }
 253
 254 #ifdef ZEND_ENGINE_2
 255         if (    (SUCCESS != PHP_MINIT_CALL(http_filter))                        ||
 256                         (SUCCESS != PHP_MINIT_CALL(http_util_object))           ||
 257                         (SUCCESS != PHP_MINIT_CALL(http_message_object))        ||
 258 #       ifndef WONKY
 259                         (SUCCESS != PHP_MINIT_CALL(http_response_object))       ||
 260 #       endif /* WONKY */
 261 #       ifdef HTTP_HAVE_CURL
 262                         (SUCCESS != PHP_MINIT_CALL(http_request_object))        ||
 263                         (SUCCESS != PHP_MINIT_CALL(http_requestpool_object))||
 264 #       endif /* HTTP_HAVE_CURL */
 265                         (SUCCESS != PHP_MINIT_CALL(http_exception_object))) {
 266                 return FAILURE;
 267         }
 268 #endif /* ZEND_ENGINE_2 */
 269
 270         return SUCCESS;
 271 }
 272 /* }}} */
 273
 274 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 275 PHP_MSHUTDOWN_FUNCTION(http)
 276 {
 277         UNREGISTER_INI_ENTRIES();
 278 #ifdef HTTP_HAVE_CURL
 279         return PHP_MSHUTDOWN_CALL(http_request);
 280 #endif
 281         return SUCCESS;
 282 }
 283 /* }}} */
 284
 285 /* {{{ PHP_RINIT_FUNCTION */
 286 PHP_RINIT_FUNCTION(http)
 287 {
 288         if (HTTP_G(request).methods.allowed) {
 289                 http_check_allowed_methods(HTTP_G(request).methods.allowed,
 290                         strlen(HTTP_G(request).methods.allowed));
 291         }
 292
 293         http_globals_init(HTTP_GLOBALS);
 294         return SUCCESS;
 295 }
 296 /* }}} */
 297
 298 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 299 PHP_RSHUTDOWN_FUNCTION(http)
 300 {
 301         STATUS status = SUCCESS;
 302
 303 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
 304         status = PHP_RSHUTDOWN_CALL(http_request_method);
 305 #endif
 306
 307         http_globals_free(HTTP_GLOBALS);
 308         return status;
 309 }
 310 /* }}} */
 311
 312 /* {{{ PHP_MINFO_FUNCTION */
 313 PHP_MINFO_FUNCTION(http)
 314 {
 315         php_info_print_table_start();
 316         {
 317                 php_info_print_table_row(2, "Extended HTTP support", "enabled");
 318                 php_info_print_table_row(2, "Extension Version", HTTP_PEXT_VERSION);
 319 #ifdef HTTP_HAVE_CURL
 320                 php_info_print_table_row(2, "cURL HTTP Requests", curl_version());
 321 #else
 322                 php_info_print_table_row(2, "cURL HTTP Requests", "disabled");
 323 #endif
 324 #ifdef HTTP_HAVE_ZLIB
 325                 {
 326                         char my_zlib_version[64] = {0};
 327
 328                         strlcat(my_zlib_version, "zlib/", 63);
 329                         strlcat(my_zlib_version, zlibVersion(), 63);
 330                         php_info_print_table_row(2, "zlib GZIP Encodings", my_zlib_version);
 331                 }
 332 #else
 333                 php_info_print_table_row(2, "zlib GZIP Encodings", "disabled");
 334 #endif
 335 #if defined(HTTP_HAVE_MAGIC) && !defined(WONKY)
 336                 php_info_print_table_row(2, "magic MIME Guessing", "libmagic/unknown");
 337 #else
 338                 php_info_print_table_row(2, "magic MIME Guessing", "disabled");
 339 #endif
 340                 php_info_print_table_row(2, "Registered Classes",
 341 #ifndef ZEND_ENGINE_2
 342                         "none"
 343 #else
 344                         "HttpUtil, "
 345                         "HttpMessage, "
 346 #       ifdef HTTP_HAVE_CURL
 347                         "HttpRequest, "
 348                         "HttpRequestPool, "
 349 #       endif
 350 #       ifndef WONKY
 351                         "HttpResponse"
 352 #       endif
 353 #endif
 354                 );
 355         }
 356         php_info_print_table_end();
 357
 358         php_info_print_table_start();
 359         php_info_print_table_colspan_header(2, "Request Methods");
 360         {
 361                 unsigned i;
 362                 HashPosition pos;
 363                 zval **custom_method;
 364                 phpstr *known_request_methods = phpstr_new();
 365                 phpstr *custom_request_methods = phpstr_new();
 366
 367                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 368                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 369                         phpstr_appends(known_request_methods, ", ");
 370                 }
 371                 FOREACH_HASH_VAL(pos, &HTTP_G(request).methods.custom, custom_method) {
 372                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 373                         phpstr_appends(custom_request_methods, ", ");
 374                 }
 375
 376                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 377                 phpstr_fix(known_request_methods);
 378                 phpstr_fix(custom_request_methods);
 379
 380                 php_info_print_table_row(2, "Known", PHPSTR_VAL(known_request_methods));
 381                 php_info_print_table_row(2, "Custom",
 382                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 383                 php_info_print_table_row(2, "Allowed", strlen(HTTP_G(request).methods.allowed) ? HTTP_G(request).methods.allowed : "(ANY)");
 384
 385                 phpstr_free(&known_request_methods);
 386                 phpstr_free(&custom_request_methods);
 387         }
 388         php_info_print_table_end();
 389
 390         DISPLAY_INI_ENTRIES();
 391 }
 392 /* }}} */
 393
 394 /*
 395  * Local variables:
 396  * tab-width: 4
 397  * c-basic-offset: 4
 398  * End:
 399  * vim600: noet sw=4 ts=4 fdm=marker
 400  * vim<600: noet sw=4 ts=4
 401  */
 402