Class: Web::NarfHandler

Inherits:
WEBrick::HTTPServlet::AbstractServlet
  • Object
show all
Defined in:
lib/web/sapi/webrick.rb

Instance Method Summary collapse

Constructor Details

#initialize(server, name) ⇒ NarfHandler

Returns a new instance of NarfHandler.



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# File 'lib/web/sapi/webrick.rb', line 28

def initialize(server, name)
  super
  @script_filename = name
  @tempdir = server[:TempDir]
end

Instance Method Details

#do_GET(req, res) ⇒ Object Also known as: do_POST 



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# File 'lib/web/sapi/webrick.rb', line 34

def do_GET(req, res)
  header, body = nil, nil
  
  cgi_out = Tempfile.new("webrick.cgiout.", @tempdir)
  cgi_err = Tempfile.new("webrick.cgierr.", @tempdir)
  
  old_stderr = $stderr
  
  begin
    $stderr    = cgi_err
    
    meta = req.meta_vars
    meta["SCRIPT_FILENAME"] = @script_filename
    meta["PATH"] = @config[:CGIPathEnv]
    
    Web::process( :cgd => Web::CGD::Webrick.new(:out => cgi_out,
                                              :in  => StringIO.new( req.body || '' ),
                                              :env => meta ) ) {
      load( @script_filename, true )
    }
    
  ensure
    Web::close
    
    cgi_out.rewind
    body = cgi_out.read
    cgi_out.close(true)
    
    if errmsg = cgi_err.read
      if errmsg.size > 0
        @logger.error("NarfHandler: #{@script_filename}:\n" + errmsg)
      end
    end 
    cgi_err.close(true)
    
    $stderr = old_stderr
  end
  
  begin
    header = Web::header
    
    if /^(\d+)/ =~ header['Status'].last
      res.status = $1.to_i
      header.delete('Status')
    end
    header.each{|key, val|
      res[key] = val.join(", ") }
  rescue => ex
    raise HTTPStatus::InternalServerError, ex.message
  end
  
  res.body = body
  
end