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
)));
84 PHP_MD5Init(ctx
= emalloc(sizeof(PHP_MD5_CTX
)));
89 if ((mode
< 0) || ((ulong
)mode
> mhash_count()) || (!(ctx
= mhash_init(mode
)))) {
90 http_error_ex(HE_ERROR
, HTTP_E_RUNTIME
, "Invalid ETag mode: %ld", mode
);
99 #define http_etag_finish(c) _http_etag_finish((c) TSRMLS_CC)
100 static inline char *_http_etag_finish(void *ctx TSRMLS_DC
)
103 unsigned char digest
[20];
104 long mode
= INI_INT("http.etag_mode");
109 PHP_SHA1Final(digest
, ctx
);
110 etag
= http_etag_digest(digest
, 20);
115 #ifndef HAVE_LIBMHASH
118 PHP_MD5Final(digest
, ctx
);
119 etag
= http_etag_digest(digest
, 16);
126 unsigned char *mhash_digest
= mhash_end_m(ctx
, http_etag_alloc_mhash_digest
);
127 etag
= http_etag_digest(mhash_digest
, mhash_get_block_size(mode
));
137 #define http_etag_update(c, d, l) _http_etag_update((c), (d), (l) TSRMLS_CC)
138 static inline void _http_etag_update(void *ctx
, const char *data_ptr
, size_t data_len TSRMLS_DC
)
140 switch (INI_INT("http.etag_mode"))
143 PHP_SHA1Update(ctx
, data_ptr
, data_len
);
147 #ifndef HAVE_LIBMHASH
150 PHP_MD5Update(ctx
, data_ptr
, data_len
);
155 mhash(ctx
, data_ptr
, data_len
);
161 #define http_etag(p, l, m) _http_etag((p), (l), (m) TSRMLS_CC)
162 PHP_HTTP_API
char *_http_etag(const void *data_ptr
, size_t data_len
, http_send_mode data_mode TSRMLS_DC
);
164 #define http_last_modified(p, m) _http_last_modified((p), (m) TSRMLS_CC)
165 PHP_HTTP_API
time_t _http_last_modified(const void *data_ptr
, http_send_mode data_mode TSRMLS_DC
);
167 #define http_match_last_modified(entry, modified) _http_match_last_modified_ex((entry), (modified), 1 TSRMLS_CC)
168 #define http_match_last_modified_ex(entry, modified, ep) _http_match_last_modified_ex((entry), (modified), (ep) TSRMLS_CC)
169 PHP_HTTP_API zend_bool
_http_match_last_modified_ex(const char *entry
, time_t t
, zend_bool enforce_presence TSRMLS_DC
);
171 #define http_match_etag(entry, etag) _http_match_etag_ex((entry), (etag), 1 TSRMLS_CC)
172 #define http_match_etag_ex(entry, etag, ep) _http_match_etag_ex((entry), (etag), (ep) TSRMLS_CC)
173 PHP_HTTP_API zend_bool
_http_match_etag_ex(const char *entry
, const char *etag
, zend_bool enforce_presence TSRMLS_DC
);
175 #define http_cache_last_modified(l, s, cc, ccl) _http_cache_last_modified((l), (s), (cc), (ccl) TSRMLS_CC)
176 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
);
178 #define http_cache_etag(e, el, cc, ccl) _http_cache_etag((e), (el), (cc), (ccl) TSRMLS_CC)
179 PHP_HTTP_API STATUS
_http_cache_etag(const char *etag
, size_t etag_len
, const char *cache_control
, size_t cc_len TSRMLS_DC
);
181 #define http_ob_etaghandler(o, l, ho, hl, m) _http_ob_etaghandler((o), (l), (ho), (hl), (m) TSRMLS_CC)
182 PHP_HTTP_API
void _http_ob_etaghandler(char *output
, uint output_len
, char **handled_output
, uint
*handled_output_len
, int mode TSRMLS_DC
);
191 * vim600: noet sw=4 ts=4 fdm=marker
192 * vim<600: noet sw=4 ts=4