X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_cache_api.c;h=5eca48a6650576054b7b8a844e1da6a89b8c7bf2;hp=52d76ea079eceb8a00c55a420a8949631b5ad337;hb=2e1cd7f9942bb07d7c3a2efb79090215fc1406d6;hpb=0d925a2820b9d75b8e32c451fd400863e51e22fe

diff --git a/http_cache_api.c b/http_cache_api.c
index 52d76ea..5eca48a 100644
--- a/http_cache_api.c
+++ b/http_cache_api.c
@@ -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"
@@ -32,54 +33,75 @@
 #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_global_init(INIT_FUNC_ARGS)
+{
+	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};
-	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((char *) 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;
 	}
 
-	PHP_MD5Final(digest, &ctx);
-	make_digest(new_etag, digest);
-
-	return new_etag;
+	return http_etag_finish(ctx);
 }
 /* }}} */
 
@@ -193,7 +215,7 @@ PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len,
 		return SUCCESS;
 	}
 
-	if (HTTP_G(etag).started = (SUCCESS == php_start_ob_buffer_named("ob_etaghandler", HTTP_SENDBUF_SIZE, 1 TSRMLS_CC))) {
+	if (HTTP_G(etag).started = (SUCCESS == php_start_ob_buffer_named("ob_etaghandler", HTTP_G(send).buffer_size, 1 TSRMLS_CC))) {
 		return SUCCESS;
 	} else {
 		return FAILURE;
@@ -205,33 +227,35 @@ 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) {
 			char *sent_header = NULL;
 			
-			make_digest(etag, digest);
 			http_send_cache_control(HTTP_DEFAULT_CACHECONTROL, lenof(HTTP_DEFAULT_CACHECONTROL));
-			http_send_etag_ex(etag, 32, &sent_header);
-
+			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);
 			}
 		}
+		efree(etag);
 	}
 
 	*handled_output_len = output_len;