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- Fixed cache's handling of HTTP headers (passed all 9 unit tests)

4.3.x
Kjartan Mannes 2003-09-29 13:41:22 +00:00
parent 0c3cc7b487
commit 46e43ebed1
1 changed files with 7 additions and 6 deletions
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13
includes/common.inc
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@ -1173,17 +1173,18 @@ function drupal_page_header() {
$etag = '"'. md5($date) .'"';
// Check http headers:
$modified_since = isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) ? $_SERVER["HTTP_IF_MODIFIED_SINCE"] == $date : false;
$none_match = isset($_SERVER["HTTP_IF_NONE_MATCH"]) ? $_SERVER["HTTP_IF_NONE_MATCH"] == $etag : false;
$modified_since = isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) ? $_SERVER["HTTP_IF_MODIFIED_SINCE"] == $date : NULL
$none_match = isset($_SERVER["HTTP_IF_NONE_MATCH"]) ? $_SERVER["HTTP_IF_NONE_MATCH"] == $etag : NULL;
// Send appropriate response:
//header("Last-Modified: $date");
header("ETag: $etag");
if ($modified_since && $none_match) {
// The type checking here is very important, be careful when changing entries.
if (($modified_since !== NULL || $none_match !== NULL) && $modified_since !== false && $none_match !== false) {
header("HTTP/1.0 304 Not Modified");
exit();
}
// Send appropriate response:
header("Last-Modified: $date");
header("ETag: $etag");
print $cache->data;
/*