/*
- +----------------------------------------------------------------------+
- | PECL :: http |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 of the PHP license, that |
- | is bundled with this package in the file LICENSE, and is available |
- | through the world-wide-web at http://www.php.net/license/3_0.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Copyright (c) 2004-2005 Michael Wallner <mike@php.net> |
- +----------------------------------------------------------------------+
+ +--------------------------------------------------------------------+
+ | PECL :: http |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted provided that the conditions mentioned |
+ | in the accompanying LICENSE file are met. |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2004-2005, Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
*/
/* $Id$ */
#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);
+PHP_MINIT_FUNCTION(http_cache)
+{
+ HTTP_LONG_CONSTANT("HTTP_ETAG_MD5", HTTP_ETAG_MD5);
+ HTTP_LONG_CONSTANT("HTTP_ETAG_SHA1", HTTP_ETAG_SHA1);
+ HTTP_LONG_CONSTANT("HTTP_ETAG_CRC32", HTTP_ETAG_CRC32);
+
+#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);
+ }
+ }
+ }
+#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};
- size_t ssb_len;
void *ctx = http_etag_init();
- switch (data_mode)
- {
- case SEND_DATA:
- http_etag_update(ctx, data_ptr, data_len);
- break;
-
- case SEND_RSRC:
- {
- if (php_stream_stat((php_stream *) data_ptr, &ssb)) {
- efree(ctx);
- return NULL;
- }
- 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);
+ if (data_mode == SEND_DATA) {
+ http_etag_update(ctx, data_ptr, data_len);
+ } else {
+ STATUS ss = FAILURE;
+ php_stream_statbuf ssb;
+
+ if (data_mode == SEND_RSRC) {
+ ss = php_stream_stat((php_stream *) data_ptr, &ssb);
+ } else {
+ ss = php_stream_stat_path((char *) data_ptr, &ssb);
}
- break;
-
- default:
- {
- if (php_stream_stat_path((char *) data_ptr, &ssb)) {
- efree(ctx);
- return NULL;
- }
- ssb_len = snprintf(ssb_buf, 127, "%ld=%ld=%ld", ssb.sb.st_mtime, ssb.sb.st_ino, ssb.sb.st_size);
+
+ if (SUCCESS != ss) {
+ http_etag_free(&ctx);
+ return NULL;
+ } else {
+ size_t ssb_len;
+ char ssb_buf[128] = {0};
+
+ ssb_len = snprintf(ssb_buf, 127, "%ld=%ld=%ld", (long) ssb.sb.st_mtime,
+ (long) ssb.sb.st_ino,
+ (long) ssb.sb.st_size);
http_etag_update(ctx, ssb_buf, ssb_len);
}
- break;
}
-
- return http_etag_finish(ctx);
+
+ return http_etag_finish(&ctx);
}
/* }}} */
return 1;
}
- quoted_etag = (char *) emalloc(strlen(etag) + 3);
- sprintf(quoted_etag, "\"%s\"", etag);
-
+ spprintf("ed_etag, 0, "\"%s\"", etag);
if (!strchr(Z_STRVAL_P(zetag), ',')) {
result = !strcmp(Z_STRVAL_P(zetag), quoted_etag);
} else {
result = (NULL != strstr(Z_STRVAL_P(zetag), quoted_etag));
}
efree(quoted_etag);
+
return result;
}
/* }}} */
}
return SUCCESS;
}
+
+ /* start ob_etaghandler */
+ return http_start_ob_etaghandler();
+}
+/* }}} */
- /* if no etag is given and we didn't already start ob_etaghandler -- start it */
- if (HTTP_G(etag).started) {
- return SUCCESS;
+PHP_HTTP_API STATUS _http_start_ob_etaghandler(TSRMLS_D)
+{
+ /* already running? */
+ if (php_ob_handler_used("ob_etaghandler" TSRMLS_CC)) {
+ http_error(HE_WARNING, HTTP_E_RUNTIME, "ob_etaghandler can only be used once");
+ return FAILURE;
}
+
+ HTTP_G(etag).started = 1;
+ return php_start_ob_buffer_named("ob_etaghandler", HTTP_G(send).buffer_size, 1 TSRMLS_CC);
+}
- if (HTTP_G(etag).started = (SUCCESS == php_start_ob_buffer_named("ob_etaghandler", HTTP_SENDBUF_SIZE, 1 TSRMLS_CC))) {
- return SUCCESS;
- } else {
- return FAILURE;
+PHP_HTTP_API zend_bool _http_interrupt_ob_etaghandler(TSRMLS_D)
+{
+ if (HTTP_G(etag).started) {
+ HTTP_G(etag).started = 0;
+ http_etag_free(&HTTP_G(etag).ctx);
+ return 1;
}
+ return 0;
}
-/* }}} */
/* {{{ void http_ob_etaghandler(char *, uint, char **, uint *, int) */
-PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len,
+void _http_ob_etaghandler(char *output, uint output_len,
char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
{
- char etag[41] = { 0 };
- unsigned char digest[20];
-
- 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;
+ /* passthru */
+ *handled_output_len = output_len;
+ *handled_output = estrndup(output, output_len);
+
+ /* are we supposed to run? */
+ if (HTTP_G(etag).started) {
+ /* initialize the etag context */
+ if (mode & PHP_OUTPUT_HANDLER_START) {
+ HTTP_G(etag).ctx = http_etag_init();
}
- HTTP_G(etag).started = 1;
- HTTP_G(etag).ctx = http_etag_init();
- }
-
- http_etag_update(HTTP_G(etag).ctx, output, output_len);
-
- if (mode & PHP_OUTPUT_HANDLER_END) {
- char *etag = http_etag_finish(HTTP_G(etag).ctx);
- /* just do that if desired */
- if (HTTP_G(etag).started) {
+ /* update */
+ http_etag_update(HTTP_G(etag).ctx, output, output_len);
+
+ /* finish */
+ if (mode & PHP_OUTPUT_HANDLER_END) {
char *sent_header = NULL;
+ char *etag = http_etag_finish(&HTTP_G(etag).ctx);
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)) {
- efree(etag);
- http_exit_ex(304, sent_header, NULL, 0);
- } else {
- STR_FREE(sent_header);
+ http_exit_ex(304, sent_header, etag, 0);
}
+
+ STR_FREE(sent_header);
+ STR_FREE(etag);
}
- efree(etag);
}
-
- *handled_output_len = output_len;
- *handled_output = estrndup(output, output_len);
}
/* }}} */