1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
rails--rails/actionpack/lib/action_controller/url_rewriter.rb

76 lines
2.5 KiB
Ruby

require 'active_support/core_ext/hash/except'
module ActionController
# Rewrites URLs for Base.redirect_to and Base.url_for in the controller.
class UrlRewriter #:nodoc:
RESERVED_OPTIONS = [:anchor, :params, :only_path, :host, :protocol, :port, :trailing_slash, :skip_relative_url_root]
def initialize(request, parameters)
@request, @parameters = request, parameters
end
def rewrite(options = {})
options[:host] ||= @request.host_with_port
options[:protocol] ||= @request.protocol
self.class.rewrite(options, @request.symbolized_path_parameters) do |options|
process_path_options(options)
end
end
def to_str
"#{@request.protocol}, #{@request.host_with_port}, #{@request.path}, #{@parameters[:controller]}, #{@parameters[:action]}, #{@request.parameters.inspect}"
end
alias_method :to_s, :to_str
def self.rewrite(options, path_segments=nil)
rewritten_url = ""
unless options[:only_path]
rewritten_url << (options[:protocol] || "http")
rewritten_url << "://" unless rewritten_url.match("://")
rewritten_url << rewrite_authentication(options)
raise "Missing host to link to! Please provide :host parameter or set default_url_options[:host]" unless options[:host]
rewritten_url << options[:host]
rewritten_url << ":#{options.delete(:port)}" if options.key?(:port)
end
path_options = options.except(*RESERVED_OPTIONS)
path_options = yield(path_options) if block_given?
path = Routing::Routes.generate(path_options, path_segments || {})
rewritten_url << ActionController::Base.relative_url_root.to_s unless options[:skip_relative_url_root]
rewritten_url << (options[:trailing_slash] ? path.sub(/\?|\z/) { "/" + $& } : path)
rewritten_url << "##{Rack::Utils.escape(options[:anchor].to_param.to_s)}" if options[:anchor]
rewritten_url
end
protected
def self.rewrite_authentication(options)
if options[:user] && options[:password]
"#{Rack::Utils.escape(options.delete(:user))}:#{Rack::Utils.escape(options.delete(:password))}@"
else
""
end
end
# Given a Hash of options, generates a route
def process_path_options(options)
options = options.symbolize_keys
options.update(options[:params].symbolize_keys) if options[:params]
if (overwrite = options.delete(:overwrite_params))
options.update(@parameters.symbolize_keys)
options.update(overwrite.symbolize_keys)
end
options
end
end
end