- separated http_check_method() from http_check_allowed_methods()
[m6w6/ext-http] / 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 if (length && SG(request_info).request_method) {
197 if (SUCCESS != http_check_method(SG(request_info).request_method, methods)) {
198 char *header = emalloc(length + sizeof("Allow: "));
199 sprintf(header, "Allow: %s", methods);
200 http_exit(405, header);
201 }
202 }
203 }
204 /* }}} */
205
206 /* {{{ PHP_INI */
207 PHP_INI_MH(http_update_allowed_methods)
208 {
209 http_check_allowed_methods(new_value, new_value_length);
210 return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
211 }
212
213 #define http_update_cache_log OnUpdateString
214
215 PHP_INI_BEGIN()
216 HTTP_INI_ENTRY("http.allowed_methods", HTTP_KNOWN_METHODS, PHP_INI_ALL, allowed_methods)
217 HTTP_INI_ENTRY("http.cache_log", NULL, PHP_INI_ALL, cache_log)
218 PHP_INI_END()
219 /* }}} */
220
221 /* {{{ HTTP_CURL_USE_ZEND_MM */
222 #if defined(HTTP_HAVE_CURL) && defined(HTTP_CURL_USE_ZEND_MM)
223 static void http_curl_free(void *p) { efree(p); }
224 static char *http_curl_strdup(const char *p) { return estrdup(p); }
225 static void *http_curl_malloc(size_t s) { return emalloc(s); }
226 static void *http_curl_realloc(void *p, size_t s) { return erealloc(p, s); }
227 static void *http_curl_calloc(size_t n, size_t s) { return ecalloc(n, s); }
228 #endif /* HTTP_HAVE_CURL && HTTP_CURL_USE_ZEND_MM */
229 /* }}} */
230
231 /* {{{ PHP_MINIT_FUNCTION */
232 PHP_MINIT_FUNCTION(http)
233 {
234 ZEND_INIT_MODULE_GLOBALS(http, http_globals_ctor, NULL);
235 REGISTER_INI_ENTRIES();
236
237 #ifdef HTTP_HAVE_CURL
238 # ifdef HTTP_CURL_USE_ZEND_MM
239 if (CURLE_OK != curl_global_init_mem(CURL_GLOBAL_ALL,
240 http_curl_malloc,
241 http_curl_free,
242 http_curl_realloc,
243 http_curl_strdup,
244 http_curl_calloc)) {
245 return FAILURE;
246 }
247 # endif /* HTTP_CURL_USE_ZEND_MM */
248 #endif /* HTTP_HAVE_CURL */
249
250 #ifdef ZEND_ENGINE_2
251 http_util_object_init(INIT_FUNC_ARGS_PASSTHRU);
252 http_message_object_init(INIT_FUNC_ARGS_PASSTHRU);
253 http_response_object_init(INIT_FUNC_ARGS_PASSTHRU);
254 # ifdef HTTP_HAVE_CURL
255 http_request_object_init(INIT_FUNC_ARGS_PASSTHRU);
256 # endif /* HTTP_HAVE_CURL */
257 http_exception_object_init(INIT_FUNC_ARGS_PASSTHRU);
258 #endif /* ZEND_ENGINE_2 */
259
260 return SUCCESS;
261 }
262 /* }}} */
263
264 /* {{{ PHP_MSHUTDOWN_FUNCTION */
265 PHP_MSHUTDOWN_FUNCTION(http)
266 {
267 UNREGISTER_INI_ENTRIES();
268 #ifdef HTTP_HAVE_CURL
269 curl_global_cleanup();
270 #endif
271 return SUCCESS;
272 }
273 /* }}} */
274
275 /* {{{ PHP_RINIT_FUNCTION */
276 PHP_RINIT_FUNCTION(http)
277 {
278 char *allowed_methods = INI_STR("http.allowed_methods");
279 http_check_allowed_methods(allowed_methods, strlen(allowed_methods));
280 return SUCCESS;
281 }
282 /* }}} */
283
284 /* {{{ PHP_RSHUTDOWN_FUNCTION */
285 PHP_RSHUTDOWN_FUNCTION(http)
286 {
287 http_globals_dtor();
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 ")"
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 ")"
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, HttpMessage"));
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