#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);
+ 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);
- 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);
+#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);
-
- switch (data_mode)
- {
- case SEND_DATA:
- PHP_MD5Update(&ctx, data_ptr, data_len);
- break;
-
- case SEND_RSRC:
- {
- if (php_stream_stat((php_stream *) data_ptr, &ssb)) {
- efree(new_etag);
- 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));
+ void *ctx = http_etag_init();
+
+ 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(Z_STRVAL_P((zval *) data_ptr), &ssb)) {
- efree(new_etag);
- 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));
+
+ 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;
}
-
- PHP_MD5Final(digest, &ctx);
- make_digest(new_etag, digest);
-
- return new_etag;
+
+ return http_etag_finish(&ctx);
}
/* }}} */
{
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;
}
}
/* }}} */
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;
}
/* }}} */
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;
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);
- }
-
- /* if no etag is given and we didn't already start ob_etaghandler -- start it */
- if (HTTP_G(etag).started) {
return SUCCESS;
}
+
+ /* start ob_etaghandler */
+ return http_start_ob_etaghandler();
+}
+/* }}} */
- if (HTTP_G(etag).started = (SUCCESS == php_start_ob_buffer_named("ob_etaghandler", HTTP_SENDBUF_SIZE, 1 TSRMLS_CC))) {
- return SUCCESS;
- } else {
+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);
}
-/* }}} */
-/* {{{ void http_ob_etaghandler(char *, uint, char **, uint *, int) */
-PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len,
- char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
+PHP_HTTP_API zend_bool _http_interrupt_ob_etaghandler(TSRMLS_D)
{
- char etag[33] = { 0 };
- unsigned char digest[16];
-
- if (mode & PHP_OUTPUT_HANDLER_START) {
- HTTP_G(etag).started = 1;
- PHP_MD5Init(&HTTP_G(etag).md5ctx);
+ if (HTTP_G(etag).started) {
+ HTTP_G(etag).started = 0;
+ http_etag_free(&HTTP_G(etag).ctx);
+ return 1;
}
+ return 0;
+}
- PHP_MD5Update(&HTTP_G(etag).md5ctx, output, output_len);
-
- if (mode & PHP_OUTPUT_HANDLER_END) {
- PHP_MD5Final(digest, &HTTP_G(etag).md5ctx);
-
- /* just do that if desired */
- if (HTTP_G(etag).started) {
- make_digest(etag, digest);
+/* {{{ void http_ob_etaghandler(char *, uint, char **, uint *, int) */
+void _http_ob_etaghandler(char *output, uint output_len,
+ char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
+{
+ /* 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();
+ }
+
+ /* 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(etag, 32);
-
+ 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);
+ http_exit_ex(304, sent_header, etag, 0);
}
+
+ STR_FREE(sent_header);
+ STR_FREE(etag);
}
}
-
- *handled_output_len = output_len;
- *handled_output = estrndup(output, output_len);
}
/* }}} */
projects / m6w6 / ext-http / blobdiff