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