Add If-Modified-Since header support.

mape · Apr 6, 2012 · 574f897 · 574f897
1 parent 64c34d9
commit 574f897
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/lib/assetmanager.js b/lib/assetmanager.js
@@ -396,8 +396,14 @@ module.exports = function assetManager (assets) {
 					headers['Content-Encoding'] = response.encoding
 				}
 
-				res.writeHead(200, headers);
-				res.end(response.contentBuffer);
+				if (req.headers['if-modified-since'] &&
+					Date.parse(req.headers['if-modified-since']) >= Date.parse(response.modified)) {
+					res.writeHead(304, headers);
+					res.end();
+				} else {
+					res.writeHead(200, headers);
+					res.end(response.contentBuffer);
+				}
 			}
 			return;
 		}