Handling compressions

system/PageCache.js

@@ -5,11 +5,20 @@ const cl = global.botanLoader;
 
 const Cookie = cl.load( "botanss.net.components.Cookie" );
 
+const STORE_RAW = 0;
+const STORE_GZ = 1;
+const STORE_DEFLATE = 2;
+
 class PageCache
 {
 	constructor()
 	{
-		this.cache = {};
+		this.cache = [];
+
+		this.cache[ STORE_RAW ] = {};
+		this.cache[ STORE_GZ ] = {};
+		this.cache[ STORE_DEFLATE ] = {};
+
 		this.excepts = {};
 
 		setInterval( () => {
@@ -49,7 +58,10 @@ class PageCache
 		if( res.headers[ "Location" ] )
 			c.headers[ "Location" ] = res.headers[ "Location" ];
 
-		this.cache[ key ] = c;
+		if( res.headers[ "Content-Encoding" ] )
+			c.headers[ "Content-Encoding" ] = res.headers[ "Content-Encoding" ];
+
+		this.cache[ this.__encRes( res ) ][ key ] = c;
 		Dragonfly.Debug( "StoreCache: \"" + key + "\", expire " + new Date( expires ) );
 	}
 
@@ -70,7 +82,9 @@ class PageCache
 		if( cookie.get( "sid" ) in this.excepts ) return false;
 
 		var url = req.url;
-		if( url in this.cache )
+		var store = this.cache[ this.__encReq( req ) ];
+
+		if( url in store )
 		{
 			Dragonfly.Info(
 				"[C] "
@@ -80,7 +94,7 @@ class PageCache
 				, Dragonfly.Visibility.VISIBLE
 			);
 
-			var c = this.cache[ url ];
+			var c = store[ url ];
 			res.writeHead( c.statusCode, c.headers );
 			res.end( c.data );
 
@@ -89,6 +103,20 @@ class PageCache
 
 		return false;
 	}
+
+	__encRes( res )
+	{
+		return { "deflate": STORE_DEFLATE, "gzip": STORE_GZ }[ res.headers[ "Content-Encoding" ] ] || STORE_RAW;
+	}
+
+	__encReq( req )
+	{
+		var enc = req.headers[ "accept-encoding" ] || "";
+		if( ~enc.indexOf( "deflate" ) ) return STORE_DEFLATE;
+		else if( ~enc.indexOf( "gzip" ) ) return STORE_GZ;
+		return STORE_RAW;
+	}
+
 }
 
 module.exports = PageCache;