Module: Tonysserver

Defined in:
lib/tonysserver.rb,
lib/tonysserver/version.rb

Constant Summary collapse

WEB_ROOT =

Files will be served from this directory

'./public'
CONTENT_TYPE_MAPPING =

Map extensions to their content type

{
  'html' => 'text/html',
  'txt' => 'text/plain',
  'png' => 'image/png',
  'jpg' => 'image/jpeg'
}
DEFAULT_CONTENT_TYPE =

Treat as binary data if content type cannot be found

'application/octet-stream'
VERSION = 
"0.0.3"

Instance Method Summary collapse

Instance Method Details

#content_type(path) ⇒ Object

This helper function parses the extension of the requested file and then looks up its content type.



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# File 'lib/tonysserver.rb', line 24

def content_type(path)
  ext = File.extname(path).split(".").last
  CONTENT_TYPE_MAPPING.fetch(ext, DEFAULT_CONTENT_TYPE)
end

#requested_file(request_line) ⇒ Object

This helper function parses the Request-Line and generates a path to a file on the server.



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# File 'lib/tonysserver.rb', line 32

def requested_file(request_line)
  request_uri  = request_line.split(" ")[1]
  path         = URI.unescape(URI(request_uri).path)

  clean = []

  # Split the path into components
  parts = path.split("/")

  parts.each do |part|
    # skip any empty or current directory (".") path components
    next if part.empty? || part == '.'
    # If the path component goes up one directory level (".."),
    # remove the last clean component.
    # Otherwise, add the component to the Array of clean components
    part == '..' ? clean.pop : clean << part
  end

  # return the web root joined to the clean path
  File.join(WEB_ROOT, *clean)
end