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         PHP_FE(http_auth_basic, NULL)
 106         PHP_FE(http_auth_basic_cb, NULL)
 107 #ifndef ZEND_ENGINE_2
 108         PHP_FE(http_build_query, NULL)
 109 #endif
 110         PHP_FE(ob_etaghandler, NULL)
 111         {NULL, NULL, NULL}
 112 };
 113 /* }}} */
 114
 115 /* {{{ http_module_entry */
 116 zend_module_entry http_module_entry = {
 117 #if ZEND_MODULE_API_NO >= 20010901
 118         STANDARD_MODULE_HEADER,
 119 #endif
 120         "http",
 121         http_functions,
 122         PHP_MINIT(http),
 123         PHP_MSHUTDOWN(http),
 124         PHP_RINIT(http),
 125         PHP_RSHUTDOWN(http),
 126         PHP_MINFO(http),
 127 #if ZEND_MODULE_API_NO >= 20010901
 128         HTTP_PEXT_VERSION,
 129 #endif
 130         STANDARD_MODULE_PROPERTIES
 131 };
 132 /* }}} */
 133
 134 int http_module_number;
 135
 136 /* {{{ http_globals */
 137 static void http_globals_init_once(zend_http_globals *G)
 138 {
 139         memset(G, 0, sizeof(zend_http_globals));
 140 }
 141
 142 static inline void http_globals_init(zend_http_globals *G)
 143 {
 144         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 145         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 146 #ifdef HTTP_HAVE_CURL
 147         zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 148         zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
 149         zend_llist_init(&G->request.copies.contexts, sizeof(http_curl_callback_ctx *), http_request_data_free_context, 0);
 150         zend_llist_init(&G->request.copies.convs, sizeof(http_curl_conv *), http_request_data_free_conv, 0);
 151 #endif
 152 }
 153
 154 static inline void http_globals_free(zend_http_globals *G)
 155 {
 156         STR_SET(G->send.content_type, NULL);
 157         STR_SET(G->send.unquoted_etag, NULL);
 158         zend_hash_destroy(&G->request.methods.custom);
 159 #ifdef HTTP_HAVE_CURL
 160         zend_llist_clean(&G->request.copies.strings);
 161         zend_llist_clean(&G->request.copies.slists);
 162         zend_llist_clean(&G->request.copies.contexts);
 163         zend_llist_clean(&G->request.copies.convs);
 164 #endif
 165 }
 166 /* }}} */
 167
 168 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 169 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 170 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 171 {
 172         if (length && SG(request_info).request_method) {
 173                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 174                         char *header = emalloc(length + sizeof("Allow: "));
 175                         sprintf(header, "Allow: %s", methods);
 176                         http_exit(405, header);
 177                 }
 178         }
 179 }
 180 /* }}} */
 181
 182 /* {{{ PHP_INI */
 183 PHP_INI_MH(http_update_allowed_methods)
 184 {
 185         http_check_allowed_methods(new_value, new_value_length);
 186         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 187 }
 188
 189 PHP_INI_BEGIN()
 190         HTTP_PHP_INI_ENTRY("http.allowed_methods", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 191         HTTP_PHP_INI_ENTRY("http.cache_log", "", PHP_INI_ALL, OnUpdateString, log.cache)
 192         HTTP_PHP_INI_ENTRY("http.redirect_log", "", PHP_INI_ALL, OnUpdateString, log.redirect)
 193         HTTP_PHP_INI_ENTRY("http.allowed_methods_log", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
 194         HTTP_PHP_INI_ENTRY("http.composite_log", "", PHP_INI_ALL, OnUpdateString, log.composite)
 195 #ifdef ZEND_ENGINE_2
 196         HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
 197 #endif
 198         HTTP_PHP_INI_ENTRY("http.etag_mode", "-2", PHP_INI_ALL, OnUpdateLong, etag.mode)
 199 PHP_INI_END()
 200 /* }}} */
 201
 202
 203 /* {{{ PHP_MINIT_FUNCTION */
 204 PHP_MINIT_FUNCTION(http)
 205 {
 206         http_module_number = module_number;
 207
 208         ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL)
 209
 210         REGISTER_INI_ENTRIES();
 211
 212         HTTP_LONG_CONSTANT("HTTP_ETAG_MD5", HTTP_ETAG_MD5);
 213         HTTP_LONG_CONSTANT("HTTP_ETAG_SHA1", HTTP_ETAG_SHA1);
 214         HTTP_LONG_CONSTANT("HTTP_ETAG_MHASH", HTTP_ETAG_MHASH);
 215
 216 #ifdef HTTP_HAVE_CURL
 217         if (CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)) {
 218                 return FAILURE;
 219         }
 220 #endif /* HTTP_HAVE_CURL */
 221
 222 #ifdef ZEND_ENGINE_2
 223         http_util_object_init();
 224         http_message_object_init();
 225         http_response_object_init();
 226 #       ifdef HTTP_HAVE_CURL
 227         http_request_object_init();
 228         http_requestpool_object_init();
 229 #       endif /* HTTP_HAVE_CURL */
 230         http_exception_object_init();
 231 #endif /* ZEND_ENGINE_2 */
 232
 233 #ifdef ZEND_ENGINE_2
 234         zend_hash_init_ex(&http_response_statics, 0, NULL, ZVAL_INTERNAL_PTR_DTOR, 1, 0);
 235         zend_fix_static_properties(http_response_object_ce, &http_response_statics TSRMLS_CC);
 236 #endif
 237         return SUCCESS;
 238 }
 239 /* }}} */
 240
 241 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 242 PHP_MSHUTDOWN_FUNCTION(http)
 243 {
 244         zend_hash_destroy(&http_response_statics);
 245         UNREGISTER_INI_ENTRIES();
 246 #ifdef HTTP_HAVE_CURL
 247         curl_global_cleanup();
 248 #endif
 249         return SUCCESS;
 250 }
 251 /* }}} */
 252
 253 /* {{{ PHP_RINIT_FUNCTION */
 254 PHP_RINIT_FUNCTION(http)
 255 {
 256         char *m;
 257
 258         if (m = INI_STR("http.allowed_methods")) {
 259                 http_check_allowed_methods(m, strlen(m));
 260         }
 261
 262         http_globals_init(HTTP_GLOBALS);
 263         zend_init_static_properties(http_response_object_ce, &http_response_statics TSRMLS_CC);
 264         return SUCCESS;
 265 }
 266 /* }}} */
 267
 268 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 269 PHP_RSHUTDOWN_FUNCTION(http)
 270 {
 271 #ifdef ZEND_ENGINE_2
 272         zend_clean_static_properties(http_response_object_ce TSRMLS_CC);
 273 #endif
 274         http_globals_free(HTTP_GLOBALS);
 275         return SUCCESS;
 276 }
 277 /* }}} */
 278
 279 /* {{{ PHP_MINFO_FUNCTION */
 280 PHP_MINFO_FUNCTION(http)
 281 {
 282 #ifdef ZEND_ENGINE_2
 283 #       define HTTP_FUNC_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 284 #else
 285 #       define HTTP_FUNC_AVAIL(CLASS) "procedural"
 286 #endif
 287
 288 #ifdef HTTP_HAVE_CURL
 289 #       define HTTP_CURL_VERSION curl_version()
 290 #       ifdef ZEND_ENGINE_2
 291 #               define HTTP_CURL_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 292 #       else
 293 #               define HTTP_CURL_AVAIL(CLASS) "procedural"
 294 #       endif
 295 #else
 296 #       define HTTP_CURL_VERSION "libcurl not available"
 297 #       define HTTP_CURL_AVAIL(CLASS) "libcurl not available"
 298 #endif
 299
 300 #include "php_http_request_api.h"
 301
 302         php_info_print_table_start();
 303         {
 304                 char full_version_string[1024] = {0};
 305                 snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 306
 307                 php_info_print_table_row(2, "Extended HTTP support:", "enabled");
 308                 php_info_print_table_row(2, "Extension Version:", full_version_string);
 309         }
 310         php_info_print_table_end();
 311
 312 #ifdef HTTP_HAVE_CURL
 313         php_info_print_table_start();
 314         {
 315                 unsigned i;
 316                 zval **custom_method;
 317                 phpstr *known_request_methods = phpstr_new();
 318                 phpstr *custom_request_methods = phpstr_new();
 319
 320                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 321                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 322                         phpstr_appends(known_request_methods, ", ");
 323                 }
 324                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 325                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 326                         phpstr_appends(custom_request_methods, ", ");
 327                 }
 328
 329                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 330                 phpstr_fix(known_request_methods);
 331                 phpstr_fix(custom_request_methods);
 332
 333                 php_info_print_table_row(2, "Known Request Methods:", PHPSTR_VAL(known_request_methods));
 334                 php_info_print_table_row(2, "Custom Request Methods:",
 335                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 336
 337                 phpstr_free(&known_request_methods);
 338                 phpstr_free(&custom_request_methods);
 339         }
 340         php_info_print_table_end();
 341 #endif
 342
 343         php_info_print_table_start();
 344         {
 345                 php_info_print_table_header(2, "Functionality",            "Availability");
 346                 php_info_print_table_row(2,    "Miscellaneous Utilities:", HTTP_FUNC_AVAIL("HttpUtil, HttpMessage"));
 347                 php_info_print_table_row(2,    "Extended HTTP Responses:", HTTP_FUNC_AVAIL("HttpResponse"));
 348                 php_info_print_table_row(2,    "Extended HTTP Requests:",  HTTP_CURL_AVAIL("HttpRequest, HttpRequestPool"));
 349         }
 350         php_info_print_table_end();
 351
 352         DISPLAY_INI_ENTRIES();
 353 }
 354 /* }}} */
 355
 356 /*
 357  * Local variables:
 358  * tab-width: 4
 359  * c-basic-offset: 4
 360  * End:
 361  * vim600: noet sw=4 ts=4 fdm=marker
 362  * vim<600: noet sw=4 ts=4
 363  */
 364