98 lines
2.4 KiB
Ucode
98 lines
2.4 KiB
Ucode
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/**
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* WebApplication that provides static content, even though it is called
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* "ImageServer" it also serves other static content like javascript files.
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*
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* Copyright (C) 2011 Tripwire Interactive LLC
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*
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* @author Michiel 'elmuerte' Hendriks
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*/
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class KF2ImageServer extends ImageServer config(WebAdmin);
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/**
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* if true don't try to send gzip files
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*/
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var config bool bNoGzip;
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function string normalizeUri(string uri)
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{
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local array<string> str;
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local int i;
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ParseStringIntoArray(repl(uri, "\\", "/"), str, "/", true);
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for (i = str.length-1; i >= 0; i--)
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{
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if (str[i] == "..")
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{
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i -= 1;
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if (i < 0)
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{
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str.remove(0, 1);
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}
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else {
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str.remove(i, 2);
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}
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}
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}
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JoinArray(str, uri, "/");
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return "/"$uri;
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}
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function Query(WebRequest Request, WebResponse Response)
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{
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local string ext;
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local int idx;
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if (InStr(Request.URI, "..") != INDEX_NONE)
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{
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Request.URI = normalizeUri(Request.URI);
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}
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idx = InStr(Request.URI, ".", true);
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if (idx != INDEX_NONE)
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{
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// get the file extension
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ext = Mid(Request.URI, idx+1);
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// if ?gzip was present, send the gzip file if the browser supports it.
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if (!bNoGzip && Request.GetVariableCount("gzip") > 0)
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{
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if (InStr(","$Request.GetHeader("accept-encoding")$",", ",gzip,") != INDEX_NONE)
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{
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if (Response.FileExists(Path $ Request.URI $ ".gz"))
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{
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response.AddHeader("Content-Encoding: gzip");
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Request.URI = Request.URI$".gz";
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}
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else {
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`warn("Tried to serve non existing gzip file: " $ Path $ Request.URI $ ".gz",,'WebAdmin');
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}
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}
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}
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}
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if( ext ~= "js" )
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{
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Response.SendStandardHeaders("text/javascript", true);
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Response.IncludeBinaryFile( Path $ Request.URI );
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return;
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}
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else if( ext ~= "css" )
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{
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Response.SendStandardHeaders("text/css", true);
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Response.IncludeBinaryFile( Path $ Request.URI );
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return;
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}
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else if( ext ~= "ico" )
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{
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Response.SendStandardHeaders("image/x-icon", true);
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Response.IncludeBinaryFile( Path $ Request.URI );
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return;
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}
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else if( ext ~= "gz" )
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{
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Response.SendStandardHeaders("application/x-gzip", true);
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Response.IncludeBinaryFile( Path $ Request.URI );
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return;
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}
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super.query(Request, Response);
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}
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