143 lines
4.7 KiB
Ruby
143 lines
4.7 KiB
Ruby
module ActionController
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class Base < Http
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abstract!
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include AbstractController::Callbacks
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include AbstractController::Helpers
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include AbstractController::Logger
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include ActionController::HideActions
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include ActionController::UrlFor
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include ActionController::Redirector
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include ActionController::Renderer
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include ActionController::Layouts
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include ActionController::ConditionalGet
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# Legacy modules
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include SessionManagement
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include ActionDispatch::StatusCodes
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# Rails 2.x compatibility
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include ActionController::Rails2Compatibility
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# TODO: Extract into its own module
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# This should be moved together with other normalizing behavior
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module ImplicitRender
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def process_action(method_name)
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ret = super
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render if response_body.nil?
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ret
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end
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def _implicit_render
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render
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end
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def method_for_action(action_name)
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super || begin
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if view_paths.find_by_parts?(action_name.to_s, {:formats => formats, :locales => [I18n.locale]}, controller_path)
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"_implicit_render"
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end
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end
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end
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end
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include ImplicitRender
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include ActionController::Rescue
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def self.inherited(klass)
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::ActionController::Base.subclasses << klass.to_s
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super
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end
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def self.subclasses
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@subclasses ||= []
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end
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def self.app_loaded!
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@subclasses.each do |subclass|
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subclass.constantize._write_layout_method
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end
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end
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def render_to_body(action = nil, options = {})
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if action.is_a?(Hash)
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options, action = action, nil
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elsif action.is_a?(String) || action.is_a?(Symbol)
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key = case action = action.to_s
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when %r{^/} then :file
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when %r{/} then :template
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else :action
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end
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options.merge! key => action
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elsif action
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options.merge! :partial => action
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end
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if options.key?(:action) && options[:action].to_s.index("/")
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options[:template] = options.delete(:action)
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end
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# options = {:template => options.to_s} if options.is_a?(String) || options.is_a?(Symbol)
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super(options) || " "
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end
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# Redirects the browser to the target specified in +options+. This parameter can take one of three forms:
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#
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# * <tt>Hash</tt> - The URL will be generated by calling url_for with the +options+.
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# * <tt>Record</tt> - The URL will be generated by calling url_for with the +options+, which will reference a named URL for that record.
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# * <tt>String</tt> starting with <tt>protocol://</tt> (like <tt>http://</tt>) - Is passed straight through as the target for redirection.
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# * <tt>String</tt> not containing a protocol - The current protocol and host is prepended to the string.
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# * <tt>:back</tt> - Back to the page that issued the request. Useful for forms that are triggered from multiple places.
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# Short-hand for <tt>redirect_to(request.env["HTTP_REFERER"])</tt>
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#
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# Examples:
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# redirect_to :action => "show", :id => 5
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# redirect_to post
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# redirect_to "http://www.rubyonrails.org"
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# redirect_to "/images/screenshot.jpg"
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# redirect_to articles_url
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# redirect_to :back
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#
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# The redirection happens as a "302 Moved" header unless otherwise specified.
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#
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# Examples:
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# redirect_to post_url(@post), :status=>:found
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# redirect_to :action=>'atom', :status=>:moved_permanently
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# redirect_to post_url(@post), :status=>301
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# redirect_to :action=>'atom', :status=>302
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#
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# When using <tt>redirect_to :back</tt>, if there is no referrer,
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# RedirectBackError will be raised. You may specify some fallback
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# behavior for this case by rescuing RedirectBackError.
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def redirect_to(options = {}, response_status = {}) #:doc:
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raise ActionControllerError.new("Cannot redirect to nil!") if options.nil?
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status = if options.is_a?(Hash) && options.key?(:status)
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interpret_status(options.delete(:status))
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elsif response_status.key?(:status)
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interpret_status(response_status[:status])
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else
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302
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end
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url = case options
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# The scheme name consist of a letter followed by any combination of
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# letters, digits, and the plus ("+"), period ("."), or hyphen ("-")
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# characters; and is terminated by a colon (":").
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when %r{^\w[\w\d+.-]*:.*}
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options
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when String
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request.protocol + request.host_with_port + options
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when :back
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raise RedirectBackError unless refer = request.headers["Referer"]
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refer
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else
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url_for(options)
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end
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super(url, status)
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end
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end
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end |