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
  72 static
  73 ZEND_BEGIN_ARG_INFO(http_request_info_ref_5, 0)
  74         ZEND_ARG_PASS_INFO(0)
  75         ZEND_ARG_PASS_INFO(0)
  76         ZEND_ARG_PASS_INFO(0)
  77         ZEND_ARG_PASS_INFO(0)
  78         ZEND_ARG_PASS_INFO(1)
  79 ZEND_END_ARG_INFO();
  80 #else
  81 static unsigned char http_request_info_ref_3[] = {3, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  82 static unsigned char http_request_info_ref_4[] = {4, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  83 static unsigned char http_request_info_ref_5[] = {5, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
  84 #endif /* ZEND_ENGINE_2 */
  85 #endif /* HTTP_HAVE_CURL */
  86
  87 ZEND_DECLARE_MODULE_GLOBALS(http)
  88
  89 #ifdef COMPILE_DL_HTTP
  90 ZEND_GET_MODULE(http)
  91 #endif
  92
  93 /* {{{ http_functions[] */
  94 function_entry http_functions[] = {
  95         PHP_FE(http_test, NULL)
  96         PHP_FE(http_date, NULL)
  97         PHP_FE(http_absolute_uri, NULL)
  98         PHP_FE(http_negotiate_language, NULL)
  99         PHP_FE(http_negotiate_charset, NULL)
 100         PHP_FE(http_redirect, NULL)
 101         PHP_FE(http_throttle, NULL)
 102         PHP_FE(http_send_status, NULL)
 103         PHP_FE(http_send_last_modified, NULL)
 104         PHP_FE(http_send_content_type, NULL)
 105         PHP_FE(http_send_content_disposition, NULL)
 106         PHP_FE(http_match_modified, NULL)
 107         PHP_FE(http_match_etag, NULL)
 108         PHP_FE(http_cache_last_modified, NULL)
 109         PHP_FE(http_cache_etag, NULL)
 110         PHP_FE(http_send_data, NULL)
 111         PHP_FE(http_send_file, NULL)
 112         PHP_FE(http_send_stream, NULL)
 113         PHP_FE(http_chunked_decode, NULL)
 114         PHP_FE(http_split_response, NULL)
 115         PHP_FE(http_parse_headers, NULL)
 116         PHP_FE(http_get_request_headers, NULL)
 117 #ifdef HTTP_HAVE_CURL
 118         PHP_FE(http_get, http_request_info_ref_3)
 119         PHP_FE(http_head, http_request_info_ref_3)
 120         PHP_FE(http_post_data, http_request_info_ref_4)
 121         PHP_FE(http_post_fields, http_request_info_ref_5)
 122         PHP_FE(http_put_file, http_request_info_ref_4)
 123         PHP_FE(http_put_stream, http_request_info_ref_4)
 124         PHP_FE(http_request_method_register, NULL)
 125         PHP_FE(http_request_method_unregister, NULL)
 126         PHP_FE(http_request_method_exists, NULL)
 127         PHP_FE(http_request_method_name, NULL)
 128 #endif
 129         PHP_FE(http_auth_basic, NULL)
 130         PHP_FE(http_auth_basic_cb, NULL)
 131 #ifndef ZEND_ENGINE_2
 132         PHP_FE(http_build_query, NULL)
 133 #endif
 134         PHP_FE(ob_etaghandler, NULL)
 135         {NULL, NULL, NULL}
 136 };
 137 /* }}} */
 138
 139 /* {{{ http_module_entry */
 140 zend_module_entry http_module_entry = {
 141 #if ZEND_MODULE_API_NO >= 20010901
 142         STANDARD_MODULE_HEADER,
 143 #endif
 144         "http",
 145         http_functions,
 146         PHP_MINIT(http),
 147         PHP_MSHUTDOWN(http),
 148         PHP_RINIT(http),
 149         PHP_RSHUTDOWN(http),
 150         PHP_MINFO(http),
 151 #if ZEND_MODULE_API_NO >= 20010901
 152         HTTP_PEXT_VERSION,
 153 #endif
 154         STANDARD_MODULE_PROPERTIES
 155 };
 156 /* }}} */
 157
 158 int http_module_number;
 159
 160 #ifdef HTTP_HAVE_CURL
 161 #       ifdef HTTP_CURL_USE_ZEND_MM
 162 static void http_curl_free(void *p)                                     { efree(p); }
 163 static char *http_curl_strdup(const char *p)            { return estrdup(p); }
 164 static void *http_curl_malloc(size_t s)                         { return emalloc(s); }
 165 static void *http_curl_realloc(void *p, size_t s)       { return erealloc(p, s); }
 166 static void *http_curl_calloc(size_t n, size_t s)       { return ecalloc(n, s); }
 167 #       endif /* HTTP_CURL_USE_ZEND_MM */
 168 static void http_curl_freestr(void *s)                          { efree(*(char **)s); }
 169 #endif /* HTTP_HAVE_CURL */
 170
 171 /* {{{ http_globals */
 172 static inline void http_globals_init(zend_http_globals *G)
 173 {
 174         memset(G, 0, sizeof(zend_http_globals));
 175         G->send.buffer_size = HTTP_SENDBUF_SIZE;
 176         zend_hash_init(&G->request.methods.custom, 0, NULL, ZVAL_PTR_DTOR, 0);
 177 #ifdef HTTP_HAVE_CURL
 178         zend_llist_init(&G->request.curl.copies, sizeof(char *), http_curl_freestr, 0);
 179 #endif
 180 }
 181 static inline void http_globals_free(zend_http_globals *G)
 182 {
 183         STR_FREE(G->send.content_type);
 184         STR_FREE(G->send.unquoted_etag);
 185         zend_hash_destroy(&G->request.methods.custom);
 186 }
 187 /* }}} */
 188
 189 /* {{{ static inline void http_check_allowed_methods(char *, int) */
 190 #define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
 191 static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
 192 {
 193         if (length && SG(request_info).request_method) {
 194                 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
 195                         char *header = emalloc(length + sizeof("Allow: "));
 196                         sprintf(header, "Allow: %s", methods);
 197                         http_exit(405, header);
 198                 }
 199         }
 200 }
 201 /* }}} */
 202
 203 /* {{{ PHP_INI */
 204 PHP_INI_MH(http_update_allowed_methods)
 205 {
 206         http_check_allowed_methods(new_value, new_value_length);
 207         return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 208 }
 209
 210 PHP_INI_BEGIN()
 211         HTTP_PHP_INI_ENTRY("http.allowed_methods", NULL, PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
 212         HTTP_PHP_INI_ENTRY("http.cache_log", NULL, PHP_INI_ALL, OnUpdateString, log.cache)
 213 PHP_INI_END()
 214 /* }}} */
 215
 216
 217 /* {{{ PHP_MINIT_FUNCTION */
 218 PHP_MINIT_FUNCTION(http)
 219 {
 220         http_module_number = module_number;
 221
 222         ZEND_INIT_MODULE_GLOBALS(http, NULL, NULL);
 223         REGISTER_INI_ENTRIES();
 224
 225 #ifdef HTTP_HAVE_CURL
 226 #       ifdef HTTP_CURL_USE_ZEND_MM
 227         if (CURLE_OK != curl_global_init_mem(CURL_GLOBAL_ALL,
 228                         http_curl_malloc,
 229                         http_curl_free,
 230                         http_curl_realloc,
 231                         http_curl_strdup,
 232                         http_curl_calloc)) {
 233                 return FAILURE;
 234         }
 235 #       endif /* HTTP_CURL_USE_ZEND_MM */
 236 #endif /* HTTP_HAVE_CURL */
 237
 238 #ifdef ZEND_ENGINE_2
 239         http_util_object_init();
 240         http_message_object_init();
 241         http_response_object_init();
 242 #       ifdef HTTP_HAVE_CURL
 243         http_request_object_init();
 244 #       endif /* HTTP_HAVE_CURL */
 245         http_exception_object_init();
 246 #endif /* ZEND_ENGINE_2 */
 247
 248         return SUCCESS;
 249 }
 250 /* }}} */
 251
 252 /* {{{ PHP_MSHUTDOWN_FUNCTION */
 253 PHP_MSHUTDOWN_FUNCTION(http)
 254 {
 255         UNREGISTER_INI_ENTRIES();
 256 #ifdef HTTP_HAVE_CURL
 257         curl_global_cleanup();
 258 #endif
 259         return SUCCESS;
 260 }
 261 /* }}} */
 262
 263 /* {{{ PHP_RINIT_FUNCTION */
 264 PHP_RINIT_FUNCTION(http)
 265 {
 266         char *m;
 267
 268         if (m = INI_STR("http.allowed_methods")) {
 269                 http_check_allowed_methods(m, strlen(m));
 270         }
 271
 272         http_globals_init(HTTP_GLOBALS);
 273         return SUCCESS;
 274 }
 275 /* }}} */
 276
 277 /* {{{ PHP_RSHUTDOWN_FUNCTION */
 278 PHP_RSHUTDOWN_FUNCTION(http)
 279 {
 280         http_globals_free(HTTP_GLOBALS);
 281         return SUCCESS;
 282 }
 283 /* }}} */
 284
 285 /* {{{ PHP_MINFO_FUNCTION */
 286 PHP_MINFO_FUNCTION(http)
 287 {
 288 #ifdef ZEND_ENGINE_2
 289 #       define HTTP_FUNC_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 290 #else
 291 #       define HTTP_FUNC_AVAIL(CLASS) "procedural"
 292 #endif
 293
 294 #ifdef HTTP_HAVE_CURL
 295 #       define HTTP_CURL_VERSION curl_version()
 296 #       ifdef ZEND_ENGINE_2
 297 #               define HTTP_CURL_AVAIL(CLASS) "procedural, object oriented (" CLASS ")"
 298 #       else
 299 #               define HTTP_CURL_AVAIL(CLASS) "procedural"
 300 #       endif
 301 #else
 302 #       define HTTP_CURL_VERSION "libcurl not available"
 303 #       define HTTP_CURL_AVAIL(CLASS) "libcurl not available"
 304 #endif
 305
 306 #include "php_http_request_api.h"
 307
 308         php_info_print_table_start();
 309         {
 310                 char full_version_string[1024] = {0};
 311                 snprintf(full_version_string, 1023, "%s (%s)", HTTP_PEXT_VERSION, HTTP_CURL_VERSION);
 312
 313                 php_info_print_table_row(2, "Extended HTTP support:", "enabled");
 314                 php_info_print_table_row(2, "Extension Version:", full_version_string);
 315         }
 316         php_info_print_table_end();
 317
 318         php_info_print_table_start();
 319         {
 320                 unsigned i;
 321                 zval **custom_method;
 322                 phpstr *known_request_methods = phpstr_new();
 323                 phpstr *custom_request_methods = phpstr_new();
 324
 325                 for (i = HTTP_NO_REQUEST_METHOD+1; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 326                         phpstr_appendl(known_request_methods, http_request_method_name(i));
 327                         phpstr_appends(known_request_methods, ", ");
 328                 }
 329                 FOREACH_HASH_VAL(&HTTP_G(request).methods.custom, custom_method) {
 330                         phpstr_append(custom_request_methods, Z_STRVAL_PP(custom_method), Z_STRLEN_PP(custom_method));
 331                         phpstr_appends(custom_request_methods, ", ");
 332                 }
 333
 334                 phpstr_append(known_request_methods, PHPSTR_VAL(custom_request_methods), PHPSTR_LEN(custom_request_methods));
 335                 phpstr_fix(known_request_methods);
 336                 phpstr_fix(custom_request_methods);
 337
 338                 php_info_print_table_row(2, "Known Request Methods:", PHPSTR_VAL(known_request_methods));
 339                 php_info_print_table_row(2, "Custom Request Methods:",
 340                         PHPSTR_LEN(custom_request_methods) ? PHPSTR_VAL(custom_request_methods) : "none registered");
 341
 342                 phpstr_free(known_request_methods);
 343                 phpstr_free(custom_request_methods);
 344         }
 345         php_info_print_table_end();
 346
 347         php_info_print_table_start();
 348         {
 349                 php_info_print_table_header(2, "Functionality",            "Availability");
 350                 php_info_print_table_row(2,    "Miscellaneous Utilities:", HTTP_FUNC_AVAIL("HttpUtil, HttpMessage"));
 351                 php_info_print_table_row(2,    "Extended HTTP Responses:", HTTP_FUNC_AVAIL("HttpResponse"));
 352                 php_info_print_table_row(2,    "Extended HTTP Requests:",  HTTP_CURL_AVAIL("HttpRequest"));
 353         }
 354         php_info_print_table_end();
 355
 356         DISPLAY_INI_ENTRIES();
 357 }
 358 /* }}} */
 359
 360 /*
 361  * Local variables:
 362  * tab-width: 4
 363  * c-basic-offset: 4
 364  * End:
 365  * vim600: noet sw=4 ts=4 fdm=marker
 366  * vim<600: noet sw=4 ts=4
 367  */
 368