diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing/redirection.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/redirection.rb | 165 |
1 files changed, 97 insertions, 68 deletions
diff --git a/actionpack/lib/action_dispatch/routing/redirection.rb b/actionpack/lib/action_dispatch/routing/redirection.rb index 804991ad5f..b3823bb496 100644 --- a/actionpack/lib/action_dispatch/routing/redirection.rb +++ b/actionpack/lib/action_dispatch/routing/redirection.rb @@ -1,7 +1,90 @@ require 'action_dispatch/http/request' +require 'active_support/core_ext/uri' +require 'active_support/core_ext/array/extract_options' +require 'rack/utils' module ActionDispatch module Routing + class Redirect # :nodoc: + attr_reader :status, :block + + def initialize(status, block) + @status = status + @block = block + end + + def call(env) + req = Request.new(env) + + uri = URI.parse(path(req.symbolized_path_parameters, req)) + uri.scheme ||= req.scheme + uri.host ||= req.host + uri.port ||= req.port unless req.standard_port? + + body = %(<html><body>You are being <a href="#{ERB::Util.h(uri.to_s)}">redirected</a>.</body></html>) + + headers = { + 'Location' => uri.to_s, + 'Content-Type' => 'text/html', + 'Content-Length' => body.length.to_s + } + + [ status, headers, [body] ] + end + + def path(params, request) + block.call params, request + end + + def inspect + "redirect(#{status})" + end + end + + class PathRedirect < Redirect + def path(params, request) + (params.empty? || !block.match(/%\{\w*\}/)) ? block : (block % escape(params)) + end + + def inspect + "redirect(#{status}, #{block})" + end + + private + def escape(params) + Hash[params.map{ |k,v| [k, Rack::Utils.escape(v)] }] + end + end + + class OptionRedirect < Redirect # :nodoc: + alias :options :block + + def path(params, request) + url_options = { + :protocol => request.protocol, + :host => request.host, + :port => request.optional_port, + :path => request.path, + :params => request.query_parameters + }.merge options + + if !params.empty? && url_options[:path].match(/%\{\w*\}/) + url_options[:path] = (url_options[:path] % escape_path(params)) + end + + ActionDispatch::Http::URL.url_for url_options + end + + def inspect + "redirect(#{status}, #{options.map{ |k,v| "#{k}: #{v}" }.join(', ')})" + end + + private + def escape_path(params) + Hash[params.map{ |k,v| [k, URI.parser.escape(v)] }] + end + end + module Redirection # Redirect any path to another path: @@ -19,10 +102,13 @@ module ActionDispatch # params, depending of how many arguments your block accepts. A string is required as a # return value. # - # match 'jokes/:number', :to => redirect do |params, request| - # path = (params[:number].to_i.even? ? "/wheres-the-beef" : "/i-love-lamp") + # match 'jokes/:number', :to => redirect { |params, request| + # path = (params[:number].to_i.even? ? "wheres-the-beef" : "i-love-lamp") # "http://#{request.host_with_port}/#{path}" - # end + # } + # + # Note that the +do end+ syntax for the redirect block wouldn't work, as Ruby would pass + # the block to +match+ instead of +redirect+. Use <tt>{ ... }</tt> instead. # # The options version of redirect allows you to supply only the parts of the url which need # to change, it also supports interpolation of the path similar to the first example. @@ -37,74 +123,17 @@ module ActionDispatch # match 'accounts/:name' => redirect(SubdomainRedirector.new('api')) # def redirect(*args, &block) - options = args.last.is_a?(Hash) ? args.pop : {} + options = args.extract_options! status = options.delete(:status) || 301 + path = args.shift - path = args.shift - - path_proc = if path.is_a?(String) - proc { |params| (params.empty? || !path.match(/%\{\w*\}/)) ? path : (path % params) } - elsif options.any? - options_proc(options) - elsif path.respond_to?(:call) - proc { |params, request| path.call(params, request) } - elsif block - block - else - raise ArgumentError, "redirection argument not supported" - end + return OptionRedirect.new(status, options) if options.any? + return PathRedirect.new(status, path) if String === path - redirection_proc(status, path_proc) + block = path if path.respond_to? :call + raise ArgumentError, "redirection argument not supported" unless block + Redirect.new status, block end - - private - - def options_proc(options) - proc do |params, request| - path = if options[:path].nil? - request.path - elsif params.empty? || !options[:path].match(/%\{\w*\}/) - options.delete(:path) - else - (options.delete(:path) % params) - end - - default_options = { - :protocol => request.protocol, - :host => request.host, - :port => request.optional_port, - :path => path, - :params => request.query_parameters - } - - ActionDispatch::Http::URL.url_for(options.reverse_merge(default_options)) - end - end - - def redirection_proc(status, path_proc) - lambda do |env| - req = Request.new(env) - - params = [req.symbolized_path_parameters] - params << req if path_proc.arity > 1 - - uri = URI.parse(path_proc.call(*params)) - uri.scheme ||= req.scheme - uri.host ||= req.host - uri.port ||= req.port unless req.standard_port? - - body = %(<html><body>You are being <a href="#{ERB::Util.h(uri.to_s)}">redirected</a>.</body></html>) - - headers = { - 'Location' => uri.to_s, - 'Content-Type' => 'text/html', - 'Content-Length' => body.length.to_s - } - - [ status, headers, [body] ] - end - end - end end -end
\ No newline at end of file +end |