2 +----------------------------------------------------------------------+
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 +----------------------------------------------------------------------+
18 #ifndef PHP_HTTP_CACHE_API_H
19 #define PHP_HTTP_CACHE_API_H
23 #include "ext/standard/md5.h"
24 #include "ext/standard/sha1.h"
26 #include "php_http_std_defs.h"
28 #include "php_http_api.h"
29 #include "php_http_send_api.h"
35 ZEND_EXTERN_MODULE_GLOBALS(http
);
44 static void *http_etag_alloc_mhash_digest(size_t size
)
50 #define http_etag_digest(d, l) _http_etag_digest((d), (l) TSRMLS_CC)
51 static inline char *_http_etag_digest(const unsigned char *digest
, int len TSRMLS_DC
)
54 char *hex
= emalloc(len
* 2 + 1);
58 look at apache's make_etag */
59 for (i
= 0; i
< len
; ++i
) {
60 sprintf(ptr
, "%02x", digest
[i
]);
68 #define http_etag_init() _http_etag_init(TSRMLS_C)
69 static inline void *_http_etag_init(TSRMLS_D
)
72 long mode
= INI_INT("http.etag_mode");
77 PHP_SHA1Init(ctx
= emalloc(sizeof(PHP_SHA1_CTX
)));
82 PHP_MD5Init(ctx
= emalloc(sizeof(PHP_MD5_CTX
)));
88 if ((mode
>= 0) && (mode
<= mhash_count())) {
89 ctx
= mhash_init(mode
);
91 if ((!ctx
) || (ctx
== MHASH_FAILED
))
94 HTTP_G(etag
).mode
= HTTP_ETAG_MD5
;
104 #define http_etag_finish(c) _http_etag_finish((c) TSRMLS_CC)
105 static inline char *_http_etag_finish(void *ctx TSRMLS_DC
)
108 unsigned char digest
[20];
109 long mode
= INI_INT("http.etag_mode");
114 PHP_SHA1Final(digest
, ctx
);
115 etag
= http_etag_digest(digest
, 20);
120 PHP_MD5Final(digest
, ctx
);
121 etag
= http_etag_digest(digest
, 16);
128 unsigned char *mhash_digest
= mhash_end_m(ctx
, http_etag_alloc_mhash_digest
);
129 etag
= http_etag_digest(mhash_digest
, mhash_get_block_size(mode
));
139 #define http_etag_update(c, d, l) _http_etag_update((c), (d), (l) TSRMLS_CC)
140 static inline void _http_etag_update(void *ctx
, const char *data_ptr
, size_t data_len TSRMLS_DC
)
142 switch (INI_INT("http.etag_mode"))
145 PHP_SHA1Update(ctx
, data_ptr
, data_len
);
149 PHP_MD5Update(ctx
, data_ptr
, data_len
);
154 mhash(ctx
, data_ptr
, data_len
);
160 #define http_etag(p, l, m) _http_etag((p), (l), (m) TSRMLS_CC)
161 PHP_HTTP_API
char *_http_etag(const void *data_ptr
, size_t data_len
, http_send_mode data_mode TSRMLS_DC
);
163 #define http_last_modified(p, m) _http_last_modified((p), (m) TSRMLS_CC)
164 PHP_HTTP_API
time_t _http_last_modified(const void *data_ptr
, http_send_mode data_mode TSRMLS_DC
);
166 #define http_match_last_modified(entry, modified) _http_match_last_modified_ex((entry), (modified), 1 TSRMLS_CC)
167 #define http_match_last_modified_ex(entry, modified, ep) _http_match_last_modified_ex((entry), (modified), (ep) TSRMLS_CC)
168 PHP_HTTP_API zend_bool
_http_match_last_modified_ex(const char *entry
, time_t t
, zend_bool enforce_presence TSRMLS_DC
);
170 #define http_match_etag(entry, etag) _http_match_etag_ex((entry), (etag), 1 TSRMLS_CC)
171 #define http_match_etag_ex(entry, etag, ep) _http_match_etag_ex((entry), (etag), (ep) TSRMLS_CC)
172 PHP_HTTP_API zend_bool
_http_match_etag_ex(const char *entry
, const char *etag
, zend_bool enforce_presence TSRMLS_DC
);
174 #define http_cache_last_modified(l, s, cc, ccl) _http_cache_last_modified((l), (s), (cc), (ccl) TSRMLS_CC)
175 PHP_HTTP_API STATUS
_http_cache_last_modified(time_t last_modified
, time_t send_modified
, const char *cache_control
, size_t cc_len TSRMLS_DC
);
177 #define http_cache_etag(e, el, cc, ccl) _http_cache_etag((e), (el), (cc), (ccl) TSRMLS_CC)
178 PHP_HTTP_API STATUS
_http_cache_etag(const char *etag
, size_t etag_len
, const char *cache_control
, size_t cc_len TSRMLS_DC
);
180 #define http_ob_etaghandler(o, l, ho, hl, m) _http_ob_etaghandler((o), (l), (ho), (hl), (m) TSRMLS_CC)
181 PHP_HTTP_API
void _http_ob_etaghandler(char *output
, uint output_len
, char **handled_output
, uint
*handled_output_len
, int mode TSRMLS_DC
);
190 * vim600: noet sw=4 ts=4 fdm=marker
191 * vim<600: noet sw=4 ts=4