diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/vendor/rack-1.0/rack/urlmap.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.0/rack/urlmap.rb | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/urlmap.rb b/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/urlmap.rb new file mode 100644 index 0000000000..0ff32df181 --- /dev/null +++ b/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/urlmap.rb @@ -0,0 +1,55 @@ +module Rack + # Rack::URLMap takes a hash mapping urls or paths to apps, and + # dispatches accordingly. Support for HTTP/1.1 host names exists if + # the URLs start with <tt>http://</tt> or <tt>https://</tt>. + # + # URLMap modifies the SCRIPT_NAME and PATH_INFO such that the part + # relevant for dispatch is in the SCRIPT_NAME, and the rest in the + # PATH_INFO. This should be taken care of when you need to + # reconstruct the URL in order to create links. + # + # URLMap dispatches in such a way that the longest paths are tried + # first, since they are most specific. + + class URLMap + def initialize(map = {}) + remap(map) + end + + def remap(map) + @mapping = map.map { |location, app| + if location =~ %r{\Ahttps?://(.*?)(/.*)} + host, location = $1, $2 + else + host = nil + end + + unless location[0] == ?/ + raise ArgumentError, "paths need to start with /" + end + location = location.chomp('/') + + [host, location, app] + }.sort_by { |(h, l, a)| [-l.size, h.to_s.size] } # Longest path first + end + + def call(env) + path = env["PATH_INFO"].to_s.squeeze("/") + script_name = env['SCRIPT_NAME'] + hHost, sName, sPort = env.values_at('HTTP_HOST','SERVER_NAME','SERVER_PORT') + @mapping.each { |host, location, app| + next unless (hHost == host || sName == host \ + || (host.nil? && (hHost == sName || hHost == sName+':'+sPort))) + next unless location == path[0, location.size] + next unless path[location.size] == nil || path[location.size] == ?/ + + return app.call( + env.merge( + 'SCRIPT_NAME' => (script_name + location), + 'PATH_INFO' => path[location.size..-1])) + } + [404, {"Content-Type" => "text/plain"}, ["Not Found: #{path}"]] + end + end +end + |