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 "php.h"
  31 #include "php_ini.h"
  32 #include "ext/standard/info.h"
  33
  34 #include "SAPI.h"
  35
  36 #include "php_http.h"
  37 #include "php_http_std_defs.h"
  38 #include "php_http_send_api.h"
  39
  40 #ifdef ZEND_ENGINE_2
  41 #       include "php_http_util_object.h"
  42 #       include "php_http_message_object.h"
  43 #       include "php_http_response_object.h"
  44 #       ifdef HTTP_HAVE_CURL
  45 #               include "php_http_request_object.h"
  46 #       endif
  47 #endif
  48
  49 #include "phpstr/phpstr.h"
  50
  51 #ifdef HTTP_HAVE_CURL
  52 #ifdef ZEND_ENGINE_2
  53 static
  54 ZEND_BEGIN_ARG_INFO(http_request_info_ref_3, 0)
  55         ZEND_ARG_PASS_INFO(0)
  56         ZEND_ARG_PASS_INFO(0)
  57         ZEND_ARG_PASS_INFO(1)
  58 ZEND_END_ARG_INFO();
  59
  60 static
  61 ZEND_BEGIN_ARG_INFO(http_request_info_ref_4, 0)
  62         ZEND_ARG_PASS_INFO(0)
  63         ZEND_ARG_PASS_INFO(0)
  64         ZEND_ARG_PASS_INFO(0)
  65         ZEND_ARG_PASS_INFO(1)
  66 ZEND_END_ARG_INFO();
  67 #else
  68 static unsigned char http_request_info_ref_3[] = {3, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  69 static unsigned char http_request_info_ref_4[] = {4, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  70 #endif /* ZEND_ENGINE_2 */
  71 #endif /* HTTP_HAVE_CURL */
  72
  73 ZEND_DECLARE_MODULE_GLOBALS(http)
  74
  75 #ifdef COMPILE_DL_HTTP
  76 ZEND_GET_MODULE(http)
  77 #endif
  78
  79 /* {{{ http_functions[] */
  80 function_entry http_functions[] = {
  81         PHP_FE(http_test, NULL)
  82         PHP_FE(http_date, NULL)
  83         PHP_FE(http_absolute_uri, NULL)
  84         PHP_FE(http_negotiate_language, NULL)
  85         PHP_FE(http_negotiate_charset, NULL)
  86         PHP_FE(http_redirect, 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_split_response, NULL)
 100         PHP_FE(http_parse_headers, NULL)
 101         PHP_FE(http_get_request_headers, NULL)
 102 #ifdef HTTP_HAVE_CURL
 103         PHP_FE(http_get, http_request_info_ref_3)
 104         PHP_FE(http_head, http_request_info_ref_3)
 105         PHP_FE(http_post_data, http_request_info_ref_4)
 106         PHP_FE(http_post_array, http_request_info_ref_4)
 107 #endif
 108         PHP_FE(http_auth_basic, NULL)
 109         PHP_FE(http_auth_basic_cb, NULL)
 110 #ifndef ZEND_ENGINE_2
 111         PHP_FE(http_build_query, NULL)
 112 #endif
 113         PHP_FE(ob_httpetaghandler, NULL)
 114         {NULL, NULL, NULL}
 115 };
 116 /* }}} */
 117
 118 /* {{{ http_module_entry */
 119 zend_module_entry http_module_entry = {
 120 #if ZEND_MODULE_API_NO >= 20010901
 121         STANDARD_MODULE_HEADER,
 122 #endif
 123         "http",
 124         http_functions,
 125         PHP_MINIT(http),
 126         PHP_MSHUTDOWN(http),
 127         PHP_RINIT(http),
 128         PHP_RSHUTDOWN(http),
 129         PHP_MINFO(http),
 130 #if ZEND_MODULE_API_NO >= 20010901
 131         HTTP_PEXT_VERSION,
 132 #endif
 133         STANDARD_MODULE_PROPERTIES
 134 };
 135 /* }}} */
 136
 137
 138 static void free_to_free(void *s)
 139 {
 140         efree(*(char **)s);
 141 }
 142
 143 /* {{{ php_http_init_globals(zend_http_globals *) */
 144 static void php_http_init_globals(zend_http_globals *http_globals)
 145 {
 146         http_globals->etag_started = 0;
 147         http_globals->ctype = NULL;
 148         http_globals->etag  = NULL;
 149         http_globals->lmod  = 0;
 150 #ifdef HTTP_HAVE_CURL
 151         phpstr_init_ex(&http_globals->curlbuf, HTTP_CURLBUF_SIZE, 0);
 152 #       if LIBCURL_VERSION_NUM < 0x070c00
 153         memset(&http_globals->curlerr, 0, sizeof(http_globals->curlerr));
 154 #       endif
 155         zend_llist_init(&http_globals->to_free, sizeof(char *), free_to_free, 0);
 156 #endif
 157         http_globals->allowed_methods = NULL;
 158 }
 159 /* }}} */
 160
 161 /* {{{ static inline STATUS http_check_allowed_methods(char *, int) */
 162 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 163 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 164 {
 165         if (length && SG(request_info).request_method && (!strstr(methods, SG(request_info).request_method))) {
 166                 char *allow_header = emalloc(length + sizeof("Allow: "));
 167                 sprintf(allow_header, "Allow: %s", methods);
 168                 http_send_header(allow_header);
 169                 efree(allow_header);
 170                 http_send_status(405);
 171                 zend_bailout();
 172         }
 173 }
 174 /* }}} */
 175
 176 /* {{{ PHP_INI */
 177 PHP_INI_MH(update_allowed_methods)
 178 {
 179         http_check_allowed_methods(new_value, new_value_length);
 180         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 181 }
 182
 183 PHP_INI_BEGIN()
 184         STD_PHP_INI_ENTRY("http.allowed_methods",
 185                 /* HTTP 1.1 */
 186                 "GET, HEAD, POST, PUT, DELETE, OPTIONS, TRACE, CONNECT, "
 187                 /* WebDAV - RFC 2518 * /
 188                 "PROPFIND, PROPPATCH, MKCOL, COPY, MOVE, LOCK, UNLOCK, "
 189                 /* WebDAV Versioning - RFC 3253 * /
 190                 "VERSION-CONTROL, REPORT, CHECKOUT, CHECKIN, UNCHECKOUT, "
 191                 "MKWORKSPACE, UPDATE, LABEL, MERGE, BASELINE-CONTROL, MKACTIVITY, "
 192                 /* WebDAV Access Control - RFC 3744 * /
 193                 "ACL, "
 194                 /* END */
 195                 ,
 196                 PHP_INI_ALL, update_allowed_methods, allowed_methods, zend_http_globals, http_globals)
 197 PHP_INI_END()
 198 /* }}} */
 199
 200 /* {{{ HTTP_CURL_USE_ZEND_MM */
 201 #if defined(HTTP_HAVE_CURL) && defined(HTTP_CURL_USE_ZEND_MM)
 202 static void http_curl_free(void *p)                                     { efree(p); }
 203 static char *http_curl_strdup(const char *p)            { return estrdup(p); }
 204 static void *http_curl_malloc(size_t s)                         { return emalloc(s); }
 205 static void *http_curl_realloc(void *p, size_t s)       { return erealloc(p, s); }
 206 static void *http_curl_calloc(size_t n, size_t s)       { return ecalloc(n, s); }
 207 #endif /* HTTP_HAVE_CURL && HTTP_CURL_USE_ZEND_MM */
 208 /* }}} */
 209
 210 /* {{{ PHP_MINIT_FUNCTION */
 211 PHP_MINIT_FUNCTION(http)
 212 {
 213         ZEND_INIT_MODULE_GLOBALS(http, php_http_init_globals, NULL);
 214         REGISTER_INI_ENTRIES();
 215
 216 #ifdef HTTP_HAVE_CURL
 217 #       ifdef HTTP_CURL_USE_ZEND_MM
 218         if (CURLE_OK != curl_global_init_mem(CURL_GLOBAL_ALL,
 219                         http_curl_malloc,
 220                         http_curl_free,
 221                         http_curl_realloc,
 222                         http_curl_strdup,
 223                         http_curl_calloc)) {
 224                 return FAILURE;
 225         }
 226 #       endif /* HTTP_CURL_USE_ZEND_MM */
 227 #endif /* HTTP_HAVE_CURL */
 228
 229 #ifdef ZEND_ENGINE_2
 230         http_util_object_init(INIT_FUNC_ARGS_PASSTHRU);
 231         http_message_object_init(INIT_FUNC_ARGS_PASSTHRU);
 232         http_response_object_init(INIT_FUNC_ARGS_PASSTHRU);
 233 #       ifdef HTTP_HAVE_CURL
 234         http_request_object_init(INIT_FUNC_ARGS_PASSTHRU);
 235 #       endif /* HTTP_HAVE_CURL */
 236 #endif /* ZEND_ENGINE_2 */
 237
 238         return SUCCESS;
 239 }
 240 /* }}} */
 241
 242 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 243 PHP_MSHUTDOWN_FUNCTION(http)
 244 {
 245         UNREGISTER_INI_ENTRIES();
 246 #ifdef HTTP_HAVE_CURL
 247         phpstr_dtor(&HTTP_G(curlbuf));
 248         curl_global_cleanup();
 249 #endif
 250         return SUCCESS;
 251 }
 252 /* }}} */
 253
 254 /* {{{ PHP_RINIT_FUNCTION */
 255 PHP_RINIT_FUNCTION(http)
 256 {
 257         char *allowed_methods = INI_STR("http.allowed_methods");
 258         http_check_allowed_methods(allowed_methods, strlen(allowed_methods));
 259         return SUCCESS;
 260 }
 261 /* }}} */
 262
 263 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 264 PHP_RSHUTDOWN_FUNCTION(http)
 265 {
 266         HTTP_G(etag_started) = 0;
 267         HTTP_G(lmod) = 0;
 268
 269         if (HTTP_G(etag)) {
 270                 efree(HTTP_G(etag));
 271                 HTTP_G(etag) = NULL;
 272         }
 273
 274         if (HTTP_G(ctype)) {
 275                 efree(HTTP_G(ctype));
 276                 HTTP_G(ctype) = NULL;
 277         }
 278
 279 #ifdef HTTP_HAVE_CURL
 280 #       if LIBCURL_VERSION_NUM < 0x070c00
 281         memset(&HTTP_G(curlerr), 0, sizeof(HTTP_G(curlerr)));
 282 #       endif
 283         phpstr_dtor(&HTTP_G(curlbuf));
 284 #endif
 285
 286         zval_dtor(&HTTP_G(message_object_tmp_property));
 287
 288         return SUCCESS;
 289 }
 290 /* }}} */
 291
 292 /* {{{ PHP_MINFO_FUNCTION */
 293 PHP_MINFO_FUNCTION(http)
 294 {
 295 #ifdef ZEND_ENGINE_2
 296 #       define HTTP_FUNC_AVAIL(CLASS) "procedural, object oriented (class " CLASS ")"
 297 #else
 298 #       define HTTP_FUNC_AVAIL(CLASS) "procedural"
 299 #endif
 300
 301 #ifdef HTTP_HAVE_CURL
 302 #       define HTTP_CURL_VERSION curl_version()
 303 #       ifdef ZEND_ENGINE_2
 304 #               define HTTP_CURL_AVAIL(CLASS) "procedural, object oriented (class " CLASS ")"
 305 #       else
 306 #               define HTTP_CURL_AVAIL(CLASS) "procedural"
 307 #       endif
 308 #else
 309 #       define HTTP_CURL_VERSION "libcurl not available"
 310 #       define HTTP_CURL_AVAIL(CLASS) "libcurl not available"
 311 #endif
 312
 313         char full_version_string[1024] = {0};
 314         snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 315
 316         php_info_print_table_start();
 317         php_info_print_table_row(2, "Extended HTTP support", "enabled");
 318         php_info_print_table_row(2, "Extension Version:", full_version_string);
 319         php_info_print_table_end();
 320
 321         php_info_print_table_start();
 322         php_info_print_table_header(2, "Functionality",            "Availability");
 323         php_info_print_table_row(2,    "Miscellaneous Utilities:", HTTP_FUNC_AVAIL("HttpUtil"));
 324         php_info_print_table_row(2,    "Extended HTTP Responses:", HTTP_FUNC_AVAIL("HttpResponse"));
 325         php_info_print_table_row(2,    "Extended HTTP Requests:",  HTTP_CURL_AVAIL("HttpRequest"));
 326         php_info_print_table_end();
 327
 328         DISPLAY_INI_ENTRIES();
 329 }
 330 /* }}} */
 331
 332 /*
 333  * Local variables:
 334  * tab-width: 4
 335  * c-basic-offset: 4
 336  * End:
 337  * vim600: noet sw=4 ts=4 fdm=marker
 338  * vim<600: noet sw=4 ts=4
 339  */
 340