168 lines
4.7 KiB
Ruby
168 lines
4.7 KiB
Ruby
# The filters added to this controller will be run for all controllers in the application.
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# Likewise will all the methods added be available for all controllers.
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class ApplicationController < ActionController::Base
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before_filter :set_utf8_http_header, :connect_to_model, :setup_url_generator
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after_filter :remember_location, :teardown_url_generator
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observer :page_observer
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# For injecting a different wiki model implementation. Intended for use in tests
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def self.wiki=(the_wiki)
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# a global variable is used here because Rails reloads controller and model classes in the
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# development environment; therefore, storing it as a class variable does not work
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# class variable is, anyway, not much different from a global variable
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#$instiki_wiki_service = the_wiki
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logger.debug("Wiki service: #{the_wiki.to_s}")
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end
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def self.wiki
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Wiki.new
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end
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protected
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def authorized?
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@web.nil? ||
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@web.password.nil? ||
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cookies['web_address'] == @web.password ||
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password_check(@params['password'])
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end
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def check_authorization
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if in_a_web? and needs_authorization?(@action_name) and not authorized? and
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redirect_to :controller => 'wiki', :action => 'login', :web => @web_name
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return false
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end
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end
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def connect_to_model
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@action_name = @params['action'] || 'index'
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@web_name = @params['web']
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@wiki = wiki
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if @web_name
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@web = @wiki.webs[@web_name]
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if @web.nil?
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render_text "Unknown web '#{@web_name}'", '404 Not Found'
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return false
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end
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end
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@page_name = @file_name = @params['id']
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@page = @wiki.read_page(@web_name, @page_name) unless @page_name.nil?
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@author = cookies['author'] || 'AnonymousCoward'
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check_authorization
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end
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FILE_TYPES = {
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'.exe' => 'application/octet-stream',
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'.gif' => 'image/gif',
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'.jpg' => 'image/jpeg',
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'.pdf' => 'application/pdf',
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'.png' => 'image/png',
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'.txt' => 'text/plain',
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'.zip' => 'application/zip'
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} unless defined? FILE_TYPES
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def send_file(file, options = {})
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options[:type] ||= (FILE_TYPES[File.extname(file)] || 'application/octet-stream')
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options[:stream] = false
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super(file, options)
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end
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def in_a_web?
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not @web_name.nil?
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end
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def password_check(password)
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if password == @web.password
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cookies['web_address'] = password
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true
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else
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false
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end
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end
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def password_error(password)
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if password.nil? or password.empty?
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'Please enter the password.'
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else
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'You entered a wrong password. Please enter the right one.'
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end
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end
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def redirect_home(web = @web_name)
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if web
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redirect_to_page('HomePage', web)
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else
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redirect_to_url '/'
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end
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end
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def redirect_to_page(page_name = @page_name, web = @web_name)
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redirect_to :web => web, :controller => 'wiki', :action => 'show',
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:id => (page_name || 'HomePage')
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end
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@@REMEMBER_NOT = ['locked', 'save', 'back', 'file', 'pic', 'import']
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def remember_location
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if @response.headers['Status'] == '200 OK'
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unless @@REMEMBER_NOT.include? action_name or @request.method != :get
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@session[:return_to] = @request.request_uri
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logger.debug("Session ##{session.object_id}: remembered URL '#{@session[:return_to]}'")
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end
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end
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end
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def rescue_action_in_public(exception)
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message = <<-EOL
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<html><body>
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<h2>Internal Error 500</h2>
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<p>An application error occurred while processing your request.</p>
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<!-- \n#{exception}\n#{exception.backtrace.join("\n")}\n -->
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</body></html>
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EOL
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render_text message, 'Internal Error 500'
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end
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def return_to_last_remembered
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# Forget the redirect location
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redirect_target, @session[:return_to] = @session[:return_to], nil
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tried_home, @session[:tried_home] = @session[:tried_home], false
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# then try to redirect to it
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if redirect_target.nil?
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if tried_home
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raise 'Application could not render the index page'
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else
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logger.debug("Session ##{session.object_id}: no remembered redirect location, trying home")
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redirect_home
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end
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else
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logger.debug("Session ##{session.object_id}: " +
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"redirect to the last remembered URL #{redirect_target}")
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redirect_to_url(redirect_target)
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end
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end
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def set_utf8_http_header
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@response.headers['Content-Type'] = 'text/html; charset=UTF-8'
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end
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def setup_url_generator
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PageRenderer.setup_url_generator(UrlGenerator.new(self))
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end
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def teardown_url_generator
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PageRenderer.teardown_url_generator
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end
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def wiki
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self.class.wiki
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end
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def needs_authorization?(action)
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not %w( login authenticate published rss_with_content rss_with_headlines ).include?(action)
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end
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end
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