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