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
  23 #ifdef HTTP_HAVE_CURL
  24 #       ifdef PHP_WIN32
  25 #               include <winsock2.h>
  26 #       endif
  27 #       include <curl/curl.h>
  28 #endif
  29
  30 #include <ctype.h>
  31
  32 #include "php.h"
  33 #include "php_ini.h"
  34 #include "ext/standard/info.h"
  35
  36 #include "SAPI.h"
  37
  38 #include "php_http.h"
  39 #include "php_http_std_defs.h"
  40 #include "php_http_api.h"
  41 #include "php_http_send_api.h"
  42
  43 #ifdef ZEND_ENGINE_2
  44 #       include "php_http_util_object.h"
  45 #       include "php_http_message_object.h"
  46 #       include "php_http_response_object.h"
  47 #       ifdef HTTP_HAVE_CURL
  48 #               include "php_http_request_object.h"
  49 #       endif
  50 #       include "php_http_exception_object.h"
  51 #endif
  52
  53 #include "phpstr/phpstr.h"
  54
  55 #ifdef HTTP_HAVE_CURL
  56 #ifdef ZEND_ENGINE_2
  57 static
  58 ZEND_BEGIN_ARG_INFO(http_request_info_ref_3, 0)
  59         ZEND_ARG_PASS_INFO(0)
  60         ZEND_ARG_PASS_INFO(0)
  61         ZEND_ARG_PASS_INFO(1)
  62 ZEND_END_ARG_INFO();
  63
  64 static
  65 ZEND_BEGIN_ARG_INFO(http_request_info_ref_4, 0)
  66         ZEND_ARG_PASS_INFO(0)
  67         ZEND_ARG_PASS_INFO(0)
  68         ZEND_ARG_PASS_INFO(0)
  69         ZEND_ARG_PASS_INFO(1)
  70 ZEND_END_ARG_INFO();
  71 #else
  72 static unsigned char http_request_info_ref_3[] = {3, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  73 static unsigned char http_request_info_ref_4[] = {4, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  74 #endif /* ZEND_ENGINE_2 */
  75 #endif /* HTTP_HAVE_CURL */
  76
  77 ZEND_DECLARE_MODULE_GLOBALS(http)
  78
  79 #ifdef COMPILE_DL_HTTP
  80 ZEND_GET_MODULE(http)
  81 #endif
  82
  83 /* {{{ http_functions[] */
  84 function_entry http_functions[] = {
  85         PHP_FE(http_test, NULL)
  86         PHP_FE(http_date, NULL)
  87         PHP_FE(http_absolute_uri, NULL)
  88         PHP_FE(http_negotiate_language, NULL)
  89         PHP_FE(http_negotiate_charset, NULL)
  90         PHP_FE(http_redirect, NULL)
  91         PHP_FE(http_send_status, NULL)
  92         PHP_FE(http_send_last_modified, NULL)
  93         PHP_FE(http_send_content_type, NULL)
  94         PHP_FE(http_send_content_disposition, NULL)
  95         PHP_FE(http_match_modified, NULL)
  96         PHP_FE(http_match_etag, NULL)
  97         PHP_FE(http_cache_last_modified, NULL)
  98         PHP_FE(http_cache_etag, NULL)
  99         PHP_FE(http_send_data, NULL)
 100         PHP_FE(http_send_file, NULL)
 101         PHP_FE(http_send_stream, NULL)
 102         PHP_FE(http_chunked_decode, NULL)
 103         PHP_FE(http_split_response, NULL)
 104         PHP_FE(http_parse_headers, NULL)
 105         PHP_FE(http_get_request_headers, NULL)
 106 #ifdef HTTP_HAVE_CURL
 107         PHP_FE(http_get, http_request_info_ref_3)
 108         PHP_FE(http_head, http_request_info_ref_3)
 109         PHP_FE(http_post_data, http_request_info_ref_4)
 110         PHP_FE(http_post_array, http_request_info_ref_4)
 111 #endif
 112         PHP_FE(http_auth_basic, NULL)
 113         PHP_FE(http_auth_basic_cb, NULL)
 114 #ifndef ZEND_ENGINE_2
 115         PHP_FE(http_build_query, NULL)
 116 #endif
 117         PHP_FE(ob_etaghandler, NULL)
 118         {NULL, NULL, NULL}
 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
 142 static void free_to_free(void *s)
 143 {
 144         efree(*(char **)s);
 145 }
 146
 147 /* {{{ void http_globals_ctor(zend_http_globals *) */
 148 #define http_globals_ctor _http_globals_ctor
 149 static inline void _http_globals_ctor(zend_http_globals *http_globals)
 150 {
 151         http_globals->etag_started = 0;
 152         http_globals->ctype = NULL;
 153         http_globals->etag  = NULL;
 154         http_globals->lmod  = 0;
 155 #ifdef HTTP_HAVE_CURL
 156 #       if LIBCURL_VERSION_NUM < 0x070c00
 157         memset(&http_globals->curlerr, 0, sizeof(http_globals->curlerr));
 158 #       endif
 159         zend_llist_init(&http_globals->to_free, sizeof(char *), free_to_free, 0);
 160 #endif
 161         http_globals->allowed_methods = NULL;
 162         http_globals->cache_log = NULL;
 163 }
 164 /* }}} */
 165
 166 /* {{{ void http_globals_dtor() */
 167 #define http_globals_dtor() _http_globals_dtor(TSRMLS_C)
 168 static inline void _http_globals_dtor(TSRMLS_D)
 169 {
 170         HTTP_G(etag_started) = 0;
 171         HTTP_G(lmod) = 0;
 172
 173         if (HTTP_G(etag)) {
 174                 efree(HTTP_G(etag));
 175                 HTTP_G(etag) = NULL;
 176         }
 177
 178         if (HTTP_G(ctype)) {
 179                 efree(HTTP_G(ctype));
 180                 HTTP_G(ctype) = NULL;
 181         }
 182
 183 #ifdef HTTP_HAVE_CURL
 184 #       if LIBCURL_VERSION_NUM < 0x070c00
 185         memset(&HTTP_G(curlerr), 0, sizeof(HTTP_G(curlerr)));
 186 #       endif
 187 #endif
 188
 189 }
 190 /* }}} */
 191
 192 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 193 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 194 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 195 {
 196         char *found, *header;
 197
 198         if (!length || !SG(request_info).request_method) {
 199                 return;
 200         }
 201
 202         if (    (found = strstr(methods, SG(request_info).request_method)) &&
 203                         (found == SG(request_info).request_method || !isalpha(found[-1])) &&
 204                         (!isalpha(found[strlen(SG(request_info).request_method) + 1]))) {
 205                 return;
 206         }
 207
 208         header = emalloc(length + sizeof("Allow: "));
 209         sprintf(header, "Allow: %s", methods);
 210         http_exit(405, header);
 211 }
 212 /* }}} */
 213
 214 /* {{{ PHP_INI */
 215 PHP_INI_MH(http_update_allowed_methods)
 216 {
 217         http_check_allowed_methods(new_value, new_value_length);
 218         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 219 }
 220
 221 #define http_update_cache_log OnUpdateString
 222
 223 PHP_INI_BEGIN()
 224         HTTP_INI_ENTRY("http.allowed_methods", HTTP_KNOWN_METHODS, PHP_INI_ALL, allowed_methods)
 225         HTTP_INI_ENTRY("http.cache_log", NULL, PHP_INI_ALL, cache_log)
 226 PHP_INI_END()
 227 /* }}} */
 228
 229 /* {{{ HTTP_CURL_USE_ZEND_MM */
 230 #if defined(HTTP_HAVE_CURL) && defined(HTTP_CURL_USE_ZEND_MM)
 231 static void http_curl_free(void *p)                                     { efree(p); }
 232 static char *http_curl_strdup(const char *p)            { return estrdup(p); }
 233 static void *http_curl_malloc(size_t s)                         { return emalloc(s); }
 234 static void *http_curl_realloc(void *p, size_t s)       { return erealloc(p, s); }
 235 static void *http_curl_calloc(size_t n, size_t s)       { return ecalloc(n, s); }
 236 #endif /* HTTP_HAVE_CURL && HTTP_CURL_USE_ZEND_MM */
 237 /* }}} */
 238
 239 /* {{{ PHP_MINIT_FUNCTION */
 240 PHP_MINIT_FUNCTION(http)
 241 {
 242         ZEND_INIT_MODULE_GLOBALS(http, http_globals_ctor, NULL);
 243         REGISTER_INI_ENTRIES();
 244
 245 #ifdef HTTP_HAVE_CURL
 246 #       ifdef HTTP_CURL_USE_ZEND_MM
 247         if (CURLE_OK != curl_global_init_mem(CURL_GLOBAL_ALL,
 248                         http_curl_malloc,
 249                         http_curl_free,
 250                         http_curl_realloc,
 251                         http_curl_strdup,
 252                         http_curl_calloc)) {
 253                 return FAILURE;
 254         }
 255 #       endif /* HTTP_CURL_USE_ZEND_MM */
 256 #endif /* HTTP_HAVE_CURL */
 257
 258 #ifdef ZEND_ENGINE_2
 259         http_util_object_init(INIT_FUNC_ARGS_PASSTHRU);
 260         http_message_object_init(INIT_FUNC_ARGS_PASSTHRU);
 261         http_response_object_init(INIT_FUNC_ARGS_PASSTHRU);
 262 #       ifdef HTTP_HAVE_CURL
 263         http_request_object_init(INIT_FUNC_ARGS_PASSTHRU);
 264 #       endif /* HTTP_HAVE_CURL */
 265         http_exception_object_init(INIT_FUNC_ARGS_PASSTHRU);
 266 #endif /* ZEND_ENGINE_2 */
 267
 268         return SUCCESS;
 269 }
 270 /* }}} */
 271
 272 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 273 PHP_MSHUTDOWN_FUNCTION(http)
 274 {
 275         UNREGISTER_INI_ENTRIES();
 276 #ifdef HTTP_HAVE_CURL
 277         curl_global_cleanup();
 278 #endif
 279         return SUCCESS;
 280 }
 281 /* }}} */
 282
 283 /* {{{ PHP_RINIT_FUNCTION */
 284 PHP_RINIT_FUNCTION(http)
 285 {
 286         char *allowed_methods = INI_STR("http.allowed_methods");
 287         http_check_allowed_methods(allowed_methods, strlen(allowed_methods));
 288         return SUCCESS;
 289 }
 290 /* }}} */
 291
 292 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 293 PHP_RSHUTDOWN_FUNCTION(http)
 294 {
 295         http_globals_dtor();
 296         return SUCCESS;
 297 }
 298 /* }}} */
 299
 300 /* {{{ PHP_MINFO_FUNCTION */
 301 PHP_MINFO_FUNCTION(http)
 302 {
 303 #ifdef ZEND_ENGINE_2
 304 #       define HTTP_FUNC_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 305 #else
 306 #       define HTTP_FUNC_AVAIL(CLASS) "procedural"
 307 #endif
 308
 309 #ifdef HTTP_HAVE_CURL
 310 #       define HTTP_CURL_VERSION curl_version()
 311 #       ifdef ZEND_ENGINE_2
 312 #               define HTTP_CURL_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 313 #       else
 314 #               define HTTP_CURL_AVAIL(CLASS) "procedural"
 315 #       endif
 316 #else
 317 #       define HTTP_CURL_VERSION "libcurl not available"
 318 #       define HTTP_CURL_AVAIL(CLASS) "libcurl not available"
 319 #endif
 320
 321         char full_version_string[1024] = {0};
 322         snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 323
 324         php_info_print_table_start();
 325         php_info_print_table_row(2, "Extended HTTP support", "enabled");
 326         php_info_print_table_row(2, "Extension Version:", full_version_string);
 327         php_info_print_table_end();
 328
 329         php_info_print_table_start();
 330         php_info_print_table_header(2, "Functionality",            "Availability");
 331         php_info_print_table_row(2,    "Miscellaneous Utilities:", HTTP_FUNC_AVAIL("HttpUtil, HttpMessage"));
 332         php_info_print_table_row(2,    "Extended HTTP Responses:", HTTP_FUNC_AVAIL("HttpResponse"));
 333         php_info_print_table_row(2,    "Extended HTTP Requests:",  HTTP_CURL_AVAIL("HttpRequest"));
 334         php_info_print_table_end();
 335
 336         DISPLAY_INI_ENTRIES();
 337 }
 338 /* }}} */
 339
 340 /*
 341  * Local variables:
 342  * tab-width: 4
 343  * c-basic-offset: 4
 344  * End:
 345  * vim600: noet sw=4 ts=4 fdm=marker
 346  * vim<600: noet sw=4 ts=4
 347  */
 348