Class: Hx::Rack::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/hx/rack/application.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input, options) ⇒ Application

Returns a new instance of Application.



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# File 'lib/hx/rack/application.rb', line 37

def initialize(input, options)
  @input = input
  @index_names = Array(options[:index_names] || ['index.html'])
end

Class Method Details

.load_file(config_path) ⇒ Object 



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# File 'lib/hx/rack/application.rb', line 32

def self.load_file(config_path)
  site = Hx::Site.load_file(config_path)
  new(site, site.options)
end

Instance Method Details

#_call(env) ⇒ Object 



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# File 'lib/hx/rack/application.rb', line 46

def _call(env)
  request_method = env["REQUEST_METHOD"]

  if request_method != "GET" and request_method != "HEAD"
    return [405, {'Content-Type' => 'text/plain',
                  'Allow' => "GET, HEAD"},
            ["405 Method Not Allowed"]]
  end

  path = CGI.unescape(env['PATH_INFO'])
  path = '/' if path.empty?
  entry = nil

  has_trailing_slash = (path[-1..-1] == '/')

  # for non-slash-terminated paths, try the path directly
  unless has_trailing_slash
    begin
      effective_path = path[1..-1]
      entry = @input.get_entry(effective_path)
    rescue NoSuchEntryError
    end
  end

  # no entry? maybe it's a directory; look for an index entry
  unless entry
    path =~ %r(^/(.*?)/?$)
    prefix = $1
    prefix = "#{prefix}/" unless prefix.empty?
    for index_name in @index_names
      begin
        effective_path = "#{prefix}#{index_name}"
        entry = @input.get_entry(effective_path)
        break
      rescue NoSuchEntryError
      end
    end

    # directory exists, but missing trailing slash?
    if entry and not has_trailing_slash
      return [301, {'Content-Type' => 'text/plain',
                    'Location' => "#{env['SCRIPT_NAME']}#{path}/"},
              ["301 Moved Permanently"]]
    end
  end

  if entry
    content_type = entry['content_type'] 
    unless content_type
      effective_path =~ /(\.[^.]+)$/
      content_type = ::Rack::Mime.mime_type($1 || '')
    end
    if request_method != "HEAD"
      content = [entry['content'].to_s]
    else
      content = []
    end
    [200, {'Content-Type' => content_type}, content]
  else
    message = "#{env['SCRIPT_NAME']}#{path} not found"
    [404, {'Content-Type' => "text/plain"}, [message]]
  end
end

#call(env) ⇒ Object 



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# File 'lib/hx/rack/application.rb', line 42

def call(env)
  Hx.cache_scope { _call(env) }
end