Class: Rack::HostRedirect

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

Instance Method Summary collapse

Constructor Details

#initialize(app, host_mapping = nil, &block) ⇒ HostRedirect

Returns a new instance of HostRedirect.



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# File 'lib/rack/host_redirect.rb', line 5

def initialize(app, host_mapping = nil, &block)
  @app = app
  @host_mapping = downcase_keys(host_mapping) if host_mapping
  @block = block
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/host_redirect.rb', line 11

def call(env)
  request = Rack::Request.new(env)
  host = request.host.downcase # downcase for case-insensitive matching

  updated_host = (@host_mapping && @host_mapping[host]) || (@block && @block.call(host, env))

  if updated_host && updated_host.downcase != host
    location = replace_host(request.url, updated_host)
    [301, {'Location' => location}, []]
  else
    @app.call(env)
  end
end