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 #ifdef HTTP_HAVE_CURL
  34 #       include "php_http_request_api.h"
  35 #endif
  36
  37 #ifdef ZEND_ENGINE_2
  38 #       include "php_http_util_object.h"
  39 #       include "php_http_message_object.h"
  40 #       include "php_http_response_object.h"
  41 #       ifdef HTTP_HAVE_CURL
  42 #               include "php_http_request_object.h"
  43 #               include "php_http_requestpool_object.h"
  44 #       endif
  45 #       include "php_http_exception_object.h"
  46 #endif
  47
  48 #include "missing.h"
  49 #include "phpstr/phpstr.h"
  50
  51 #ifdef HTTP_HAVE_CURL
  52 #       ifdef PHP_WIN32
  53 #               include <winsock2.h>
  54 #       endif
  55 #       include <curl/curl.h>
  56 #endif
  57
  58 #include <ctype.h>
  59
  60 ZEND_DECLARE_MODULE_GLOBALS(http);
  61 HTTP_DECLARE_ARG_PASS_INFO();
  62
  63 #ifdef COMPILE_DL_HTTP
  64 ZEND_GET_MODULE(http)
  65 #endif
  66
  67 /* {{{ http_functions[] */
  68 function_entry http_functions[] = {
  69         PHP_FE(http_test, NULL)
  70         PHP_FE(http_date, NULL)
  71         PHP_FE(http_absolute_uri, NULL)
  72         PHP_FE(http_negotiate_language, NULL)
  73         PHP_FE(http_negotiate_charset, NULL)
  74         PHP_FE(http_redirect, NULL)
  75         PHP_FE(http_throttle, NULL)
  76         PHP_FE(http_send_status, NULL)
  77         PHP_FE(http_send_last_modified, NULL)
  78         PHP_FE(http_send_content_type, NULL)
  79         PHP_FE(http_send_content_disposition, NULL)
  80         PHP_FE(http_match_modified, NULL)
  81         PHP_FE(http_match_etag, NULL)
  82         PHP_FE(http_cache_last_modified, NULL)
  83         PHP_FE(http_cache_etag, NULL)
  84         PHP_FE(http_send_data, NULL)
  85         PHP_FE(http_send_file, NULL)
  86         PHP_FE(http_send_stream, NULL)
  87         PHP_FE(http_chunked_decode, NULL)
  88         PHP_FE(http_parse_message, NULL)
  89         PHP_FE(http_parse_headers, NULL)
  90         PHP_FE(http_get_request_headers, NULL)
  91         PHP_FE(http_get_request_body, NULL)
  92         PHP_FE(http_match_request_header, NULL)
  93 #ifdef HTTP_HAVE_CURL
  94         PHP_FE(http_get, http_arg_pass_ref_3)
  95         PHP_FE(http_head, http_arg_pass_ref_3)
  96         PHP_FE(http_post_data, http_arg_pass_ref_4)
  97         PHP_FE(http_post_fields, http_arg_pass_ref_5)
  98         PHP_FE(http_put_file, http_arg_pass_ref_4)
  99         PHP_FE(http_put_stream, http_arg_pass_ref_4)
 100         PHP_FE(http_request_method_register, NULL)
 101         PHP_FE(http_request_method_unregister, NULL)
 102         PHP_FE(http_request_method_exists, NULL)
 103         PHP_FE(http_request_method_name, NULL)
 104 #endif
 105 #ifndef ZEND_ENGINE_2
 106         PHP_FE(http_build_query, NULL)
 107 #endif
 108         PHP_FE(ob_etaghandler, NULL)
 109         {NULL, NULL, NULL}
 110 };
 111 /* }}} */
 112
 113 /* {{{ http_module_entry */
 114 zend_module_entry http_module_entry = {
 115 #if ZEND_MODULE_API_NO >= 20010901
 116         STANDARD_MODULE_HEADER,
 117 #endif
 118         "http",
 119         http_functions,
 120         PHP_MINIT(http),
 121         PHP_MSHUTDOWN(http),
 122         PHP_RINIT(http),
 123         PHP_RSHUTDOWN(http),
 124         PHP_MINFO(http),
 125 #if ZEND_MODULE_API_NO >= 20010901
 126         HTTP_PEXT_VERSION,
 127 #endif
 128         STANDARD_MODULE_PROPERTIES
 129 };
 130 /* }}} */
 131
 132 int http_module_number;
 133
 134 /* {{{ http_globals */
 135 static void http_globals_init_once(zend_http_globals *G)
 136 {
 137         memset(G, 0, sizeof(zend_http_globals));
 138 }
 139
 140 static inline void http_globals_init(zend_http_globals *G)
 141 {
 142         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 143         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 144 #ifdef HTTP_HAVE_CURL
 145         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 146         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 147         zend_llist_init(&G->request.copies.contexts, sizeof(http_curl_callback_ctx *), http_request_data_free_context, 0);
 148         zend_llist_init(&G->request.copies.convs, sizeof(http_curl_conv *), http_request_data_free_conv, 0);
 149 #endif
 150 }
 151
 152 static inline void http_globals_free(zend_http_globals *G)
 153 {
 154         STR_SET(G->send.content_type, NULL);
 155         STR_SET(G->send.unquoted_etag, NULL);
 156         zend_hash_destroy(&G->request.methods.custom);
 157 #ifdef HTTP_HAVE_CURL
 158         zend_llist_clean(&G->request.copies.strings);
 159         zend_llist_clean(&G->request.copies.slists);
 160         zend_llist_clean(&G->request.copies.contexts);
 161         zend_llist_clean(&G->request.copies.convs);
 162 #endif
 163 }
 164 /* }}} */
 165
 166 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 167 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 168 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 169 {
 170         if (length && SG(request_info).request_method) {
 171                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 172                         char *header = emalloc(length + sizeof("Allow: "));
 173                         sprintf(header, "Allow: %s", methods);
 174                         http_exit(405, header);
 175                 }
 176         }
 177 }
 178 /* }}} */
 179
 180 /* {{{ PHP_INI */
 181 PHP_INI_MH(http_update_allowed_methods)
 182 {
 183         http_check_allowed_methods(new_value, new_value_length);
 184         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 185 }
 186
 187 #ifndef ZEND_ENGINE_2
 188 #       define OnUpdateLong OnUpdateInt
 189 #endif
 190
 191 PHP_INI_BEGIN()
 192         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 193         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 194         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 195         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 196         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 197 #ifdef ZEND_ENGINE_2
 198         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 199 #endif
 200         HTTP_PHP_INI_ENTRY("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, etag.mode)
 201 PHP_INI_END()
 202 /* }}} */
 203
 204
 205 /* {{{ PHP_MINIT_FUNCTION */
 206 PHP_MINIT_FUNCTION(http)
 207 {
 208         http_module_number = module_number;
 209
 210         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 211
 212         REGISTER_INI_ENTRIES();
 213
 214         HTTP_LONG_CONSTANT("HTTP_ETAG_MD5", HTTP_ETAG_MD5);
 215         HTTP_LONG_CONSTANT("HTTP_ETAG_SHA1", HTTP_ETAG_SHA1);
 216         HTTP_LONG_CONSTANT("HTTP_ETAG_MHASH", HTTP_ETAG_MHASH);
 217
 218 #ifdef HTTP_HAVE_CURL
 219         if (CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)) {
 220                 return FAILURE;
 221         }
 222 #endif /* HTTP_HAVE_CURL */
 223
 224 #ifdef ZEND_ENGINE_2
 225         http_util_object_init();
 226         http_message_object_init();
 227 #       ifndef WONKY
 228         http_response_object_init();
 229 #       endif
 230 #       ifdef HTTP_HAVE_CURL
 231         http_request_object_init();
 232         http_requestpool_object_init();
 233 #       endif /* HTTP_HAVE_CURL */
 234         http_exception_object_init();
 235 #endif /* ZEND_ENGINE_2 */
 236
 237         return SUCCESS;
 238 }
 239 /* }}} */
 240
 241 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 242 PHP_MSHUTDOWN_FUNCTION(http)
 243 {
 244         UNREGISTER_INI_ENTRIES();
 245 #ifdef HTTP_HAVE_CURL
 246         curl_global_cleanup();
 247 #endif
 248         return SUCCESS;
 249 }
 250 /* }}} */
 251
 252 /* {{{ PHP_RINIT_FUNCTION */
 253 PHP_RINIT_FUNCTION(http)
 254 {
 255         char *m;
 256
 257         if (m = INI_STR("http.allowed_methods")) {
 258                 http_check_allowed_methods(m, strlen(m));
 259         }
 260
 261         http_globals_init(HTTP_GLOBALS);
 262         return SUCCESS;
 263 }
 264 /* }}} */
 265
 266 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 267 PHP_RSHUTDOWN_FUNCTION(http)
 268 {
 269         http_globals_free(HTTP_GLOBALS);
 270         return SUCCESS;
 271 }
 272 /* }}} */
 273
 274 /* {{{ PHP_MINFO_FUNCTION */
 275 PHP_MINFO_FUNCTION(http)
 276 {
 277 #ifdef ZEND_ENGINE_2
 278 #       define HTTP_FUNC_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 279 #else
 280 #       define HTTP_FUNC_AVAIL(CLASS) "procedural"
 281 #endif
 282
 283 #ifdef HTTP_HAVE_CURL
 284 #       define HTTP_CURL_VERSION curl_version()
 285 #       ifdef ZEND_ENGINE_2
 286 #               define HTTP_CURL_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 287 #       else
 288 #               define HTTP_CURL_AVAIL(CLASS) "procedural"
 289 #       endif
 290 #else
 291 #       define HTTP_CURL_VERSION "libcurl not available"
 292 #       define HTTP_CURL_AVAIL(CLASS) "libcurl not available"
 293 #endif
 294
 295 #include "php_http_request_api.h"
 296
 297         php_info_print_table_start();
 298         {
 299                 char full_version_string[1024] = {0};
 300                 snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 301
 302                 php_info_print_table_row(2, "Extended HTTP support:", "enabled");
 303                 php_info_print_table_row(2, "Extension Version:", full_version_string);
 304         }
 305         php_info_print_table_end();
 306
 307 #ifdef HTTP_HAVE_CURL
 308         php_info_print_table_start();
 309         {
 310                 unsigned i;
 311                 zval **custom_method;
 312                 phpstr *known_request_methods = phpstr_new();
 313                 phpstr *custom_request_methods = phpstr_new();
 314
 315                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 316                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 317                         phpstr_appends(known_request_methods, ", ");
 318                 }
 319                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 320                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 321                         phpstr_appends(custom_request_methods, ", ");
 322                 }
 323
 324                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 325                 phpstr_fix(known_request_methods);
 326                 phpstr_fix(custom_request_methods);
 327
 328                 php_info_print_table_row(2, "Known Request Methods:", PHPSTR_VAL(known_request_methods));
 329                 php_info_print_table_row(2, "Custom Request Methods:",
 330                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 331
 332                 phpstr_free(&known_request_methods);
 333                 phpstr_free(&custom_request_methods);
 334         }
 335         php_info_print_table_end();
 336 #endif
 337
 338         php_info_print_table_start();
 339         {
 340                 php_info_print_table_header(2, "Functionality",            "Availability");
 341                 php_info_print_table_row(2,    "Miscellaneous Utilities:", HTTP_FUNC_AVAIL("HttpUtil, HttpMessage"));
 342                 php_info_print_table_row(2,    "Extended HTTP Responses:", HTTP_FUNC_AVAIL("HttpResponse"));
 343                 php_info_print_table_row(2,    "Extended HTTP Requests:",  HTTP_CURL_AVAIL("HttpRequest, HttpRequestPool"));
 344         }
 345         php_info_print_table_end();
 346
 347         DISPLAY_INI_ENTRIES();
 348 }
 349 /* }}} */
 350
 351 /*
 352  * Local variables:
 353  * tab-width: 4
 354  * c-basic-offset: 4
 355  * End:
 356  * vim600: noet sw=4 ts=4 fdm=marker
 357  * vim<600: noet sw=4 ts=4
 358  */
 359