- fix property access
[m6w6/ext-http] / http_cache_api.c
index 56ca0f61a3f045587d6e455347fa2570e435a6ca..c7196c1891acb0018cadadce19e1cde8bcedff5f 100644 (file)
@@ -24,6 +24,7 @@
 #include "php_streams.h"
 #include "php_output.h"
 #include "ext/standard/md5.h"
+#include "ext/standard/sha1.h"
 
 #include "php_http.h"
 #include "php_http_std_defs.h"
 #include "php_http_send_api.h"
 #include "php_http_date_api.h"
 
+#ifdef HTTP_HAVE_MHASH
+#      include <mhash.h>
+#endif
+
 ZEND_EXTERN_MODULE_GLOBALS(http);
 
-/* {{{ STATUS http_cache_exit(char *, zend_bool) */
-STATUS _http_cache_exit_ex(char *cache_token, zend_bool etag, zend_bool free_token TSRMLS_DC)
+STATUS _http_cache_global_init(INIT_FUNC_ARGS)
 {
-       if (HTTP_G(log).cache && strlen(HTTP_G(log).cache)) {
-               php_stream *log = php_stream_open_wrapper(HTTP_G(log).cache, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL);
-
-               if (log) {
-                       time_t now;
-                       struct tm nowtm;
-                       char datetime[128];
-
-                       time(&now);
-                       strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
-                       php_stream_printf(log TSRMLS_CC, "%s [%s] %32s %s\n", datetime, etag ? "ETAG":"LMOD", cache_token, SG(request_info).request_uri);
-                       php_stream_close(log);
+       HTTP_LONG_CONSTANT("HTTP_ETAG_MD5", HTTP_ETAG_MD5);
+       HTTP_LONG_CONSTANT("HTTP_ETAG_SHA1", HTTP_ETAG_SHA1);
+
+#ifdef HTTP_HAVE_MHASH
+       {
+               int l, i, c = mhash_count();
+               
+               for (i = 0; i < c; ++i) {
+                       char const_name[256] = {0};
+                       const char *hash_name = mhash_get_hash_name_static(i);
+                       
+                       if (hash_name) {
+                               l = snprintf(const_name, 255, "HTTP_ETAG_MHASH_%s", hash_name);
+                               zend_register_long_constant(const_name, l + 1, i, CONST_CS|CONST_PERSISTENT, module_number TSRMLS_CC);
+                       }
                }
        }
-       if (free_token && cache_token) {
-               efree(cache_token);
-       }
-       return http_exit_ex(304, NULL, 0);
+#endif
+
+       return SUCCESS;
 }
-/* }}} */
 
 /* {{{ char *http_etag(void *, size_t, http_send_mode) */
 PHP_HTTP_API char *_http_etag(const void *data_ptr, size_t data_len, http_send_mode data_mode TSRMLS_DC)
 {
        php_stream_statbuf ssb;
        char ssb_buf[128] = {0};
-       unsigned char digest[16];
-       PHP_MD5_CTX ctx;
-       char *new_etag = ecalloc(1, 33);
-
-       PHP_MD5Init(&ctx);
-
+       size_t ssb_len;
+       void *ctx = http_etag_init();
+       
        switch (data_mode)
        {
                case SEND_DATA:
-                       PHP_MD5Update(&ctx, data_ptr, data_len);
+                       http_etag_update(ctx, data_ptr, data_len);
                break;
 
                case SEND_RSRC:
                {
                        if (php_stream_stat((php_stream *) data_ptr, &ssb)) {
-                               efree(new_etag);
+                               efree(ctx);
                                return NULL;
                        }
-
-                       snprintf(ssb_buf, 127, "%ld=%ld=%ld", ssb.sb.st_mtime, ssb.sb.st_ino, ssb.sb.st_size);
-                       PHP_MD5Update(&ctx, ssb_buf, strlen(ssb_buf));
+                       ssb_len = snprintf(ssb_buf, 127, "%ld=%ld=%ld", ssb.sb.st_mtime, ssb.sb.st_ino, ssb.sb.st_size);
+                       http_etag_update(ctx, ssb_buf, ssb_len);
                }
                break;
 
                default:
                {
-                       if (php_stream_stat_path(Z_STRVAL_P((zval *) data_ptr), &ssb)) {
-                               efree(new_etag);
+                       if (php_stream_stat_path((char *) data_ptr, &ssb)) {
+                               efree(ctx);
                                return NULL;
                        }
-
-                       snprintf(ssb_buf, 127, "%ld=%ld=%ld", ssb.sb.st_mtime, ssb.sb.st_ino, ssb.sb.st_size);
-                       PHP_MD5Update(&ctx, ssb_buf, strlen(ssb_buf));
+                       ssb_len = snprintf(ssb_buf, 127, "%ld=%ld=%ld", ssb.sb.st_mtime, ssb.sb.st_ino, ssb.sb.st_size);
+                       http_etag_update(ctx, ssb_buf, ssb_len);
                }
                break;
        }
 
-       PHP_MD5Final(digest, &ctx);
-       make_digest(new_etag, digest);
-
-       return new_etag;
+       return http_etag_finish(ctx);
 }
 /* }}} */
 
@@ -116,7 +113,7 @@ PHP_HTTP_API time_t _http_last_modified(const void *data_ptr, http_send_mode dat
        {
                case SEND_DATA: return time(NULL);
                case SEND_RSRC: return php_stream_stat((php_stream *) data_ptr, &ssb) ? 0 : ssb.sb.st_mtime;
-               default:                return php_stream_stat_path(Z_STRVAL_P((zval *) data_ptr), &ssb) ? 0 : ssb.sb.st_mtime;
+               default:                return php_stream_stat_path((char *) data_ptr, &ssb) ? 0 : ssb.sb.st_mtime;
        }
 }
 /* }}} */
@@ -170,16 +167,20 @@ PHP_HTTP_API zend_bool _http_match_etag_ex(const char *entry, const char *etag,
 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)
 {
+       char *sent_header = NULL;
+       
        if (cc_len && (SUCCESS != http_send_cache_control(cache_control, cc_len))) {
                return FAILURE;
        }
 
-       if (SUCCESS != http_send_last_modified(send_modified)) {
+       if (SUCCESS != http_send_last_modified_ex(send_modified, &sent_header)) {
                return FAILURE;
        }
 
        if (http_match_last_modified("HTTP_IF_MODIFIED_SINCE", last_modified)) {
-               return http_cache_exit(http_date(last_modified), 0);
+               http_exit_ex(304, sent_header, NULL, 0);
+       } else {
+               STR_FREE(sent_header);
        }
 
        return SUCCESS;
@@ -190,18 +191,22 @@ PHP_HTTP_API STATUS _http_cache_last_modified(time_t last_modified,
 PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len,
        const char *cache_control, size_t cc_len TSRMLS_DC)
 {
+       char *sent_header = NULL;
+       
        if (cc_len && (SUCCESS != http_send_cache_control(cache_control, cc_len))) {
                return FAILURE;
        }
 
        if (etag_len) {
-               if (SUCCESS != http_send_etag(etag, etag_len)) {
+               if (SUCCESS != http_send_etag_ex(etag, etag_len, &sent_header)) {
                        return FAILURE;
                }
-               if (!http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
-                       return SUCCESS;
+               if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
+                       http_exit_ex(304, sent_header, NULL, 0);
+               } else {
+                       STR_FREE(sent_header);
                }
-               return http_cache_exit_ex((char *)etag, 1, 0);
+               return SUCCESS;
        }
 
        /* if no etag is given and we didn't already start ob_etaghandler -- start it */
@@ -221,29 +226,35 @@ PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len,
 PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len,
        char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
 {
-       char etag[33] = { 0 };
-       unsigned char digest[16];
-
        if (mode & PHP_OUTPUT_HANDLER_START) {
+               if (HTTP_G(etag).started) {
+                       http_error(HE_WARNING, HTTP_E_RUNTIME, "ob_etaghandler can only be used once");
+                       return;
+               }
                HTTP_G(etag).started = 1;
-               PHP_MD5Init(&HTTP_G(etag).md5ctx);
+               HTTP_G(etag).ctx = http_etag_init();
        }
 
-       PHP_MD5Update(&HTTP_G(etag).md5ctx, output, output_len);
+       http_etag_update(HTTP_G(etag).ctx, output, output_len);
 
        if (mode & PHP_OUTPUT_HANDLER_END) {
-               PHP_MD5Final(digest, &HTTP_G(etag).md5ctx);
-
+               char *etag = http_etag_finish(HTTP_G(etag).ctx);
+               
                /* just do that if desired */
                if (HTTP_G(etag).started) {
-                       make_digest(etag, digest);
-                       http_send_header("Cache-Control: " HTTP_DEFAULT_CACHECONTROL);
-                       http_send_etag(etag, 32);
-
+                       char *sent_header = NULL;
+                       
+                       http_send_cache_control(HTTP_DEFAULT_CACHECONTROL, lenof(HTTP_DEFAULT_CACHECONTROL));
+                       http_send_etag_ex(etag, strlen(etag), &sent_header);
+                       
                        if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
-                               http_cache_exit_ex(etag, 1, 0);
+                               efree(etag);
+                               http_exit_ex(304, sent_header, NULL, 0);
+                       } else {
+                               STR_FREE(sent_header);
                        }
                }
+               efree(etag);
        }
 
        *handled_output_len = output_len;