}
public function show() {
+ $config = $this->context->getConfig();
+
+ if (
+ $config->get( 'DebugToolbar' ) == false && // don't let this get stuck on pages
+ $this->page->checkTouched() // page exists and is not a redirect
+ ) {
+ // Include any redirect in the last-modified calculation
+ $redirFromTitle = $this->page->getRedirectedFrom();
+ if ( !$redirFromTitle ) {
+ $touched = $this->page->getTouched();
+ } elseif ( $config->get( 'MaxRedirects' ) <= 1 ) {
+ $touched = max( $this->page->getTouched(), $redirFromTitle->getTouched() );
+ } else {
+ // Don't bother following the chain and getting the max mtime
+ $touched = null;
+ }
+
+ // If a page was purged on HTTP GET, relect that timestamp to avoid sending 304s
+ $touched = max( $touched, $this->page->getLastPurgeTimestamp() );
+
+ // Send HTTP 304 if the IMS matches or otherwise set expiry/last-modified headers
+ if ( $touched && $this->getOutput()->checkLastModified( $touched ) ) {
+ wfDebug( __METHOD__ . ": done 304\n" );
+ return;
+ }
+ }
+
$this->page->view();
}
-
}