def response
path = File.file?(@a[0]) ? @a[0] : nil
xpath = @a[1]
if path.nil? || File.directory?(path)
@status = 404
return []
end
if File.exist?(path)
mtime = File.mtime(path)
@headers << Riddl::Header.new("Last-Modified",mtime.httpdate)
@headers << Riddl::Header.new("Cache-Control","max-age=15552000, public")
@headers << Riddl::Header.new("ETag",Digest::MD5.hexdigest(mtime.httpdate))
htime = @env["HTTP_IF_MODIFIED_SINCE"].nil? ? Time.at(0) : Time.parse(@env["HTTP_IF_MODIFIED_SINCE"])
if htime == mtime
@headers << Riddl::Header.new("Connection","close")
@status = 304
return []
else
if xpath
res = XML::Smart.open(path).find(xpath)
return Riddl::Parameter::Complex.new('file','text/xml',res.any? ? res.first.dump : '<empty/>')
else
return Riddl::Parameter::Complex.new('file','text/xml',File.open(path,'r'))
end
end
end
@status = 404
end