3df61e352d
Based on
http://lists.w3.org/Archives/Public/www-math/2007May/0044.html
I've altered the Content-Type header sent to IE+MathPlayer. Rationale is
explained in
http://lists.w3.org/Archives/Public/www-math/2007May/0045.html
233 lines
6.9 KiB
Ruby
233 lines
6.9 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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# require 'dnsbl_check'
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protect_forms_from_spam
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before_filter :dnsbl_check, :connect_to_model, :check_authorization, :setup_url_generator, :set_content_type_header, :set_robots_metatag
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after_filter :remember_location, :teardown_url_generator
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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 check_authorization
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if in_a_web? and authorization_needed? and not authorized?
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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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@author = cookies['author'] || 'AnonymousCoward'
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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(:status => 404, :text => "Unknown web '#{@web_name}'")
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return false
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end
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end
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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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'.tex' => 'text/plain',
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'.zip' => 'application/zip'
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} unless defined? FILE_TYPES
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DISPOSITION = {
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'application/octet-stream' => 'attachment',
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'image/gif' => 'inline',
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'image/jpeg' => 'inline',
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'application/pdf' => 'inline',
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'image/png' => 'inline',
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'text/plain' => 'inline',
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'application/zip' => 'attachment'
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} unless defined? DISPOSITION
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def determine_file_options_for(file_name, original_options = {})
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original_options[:type] ||= (FILE_TYPES[File.extname(file_name)] or 'application/octet-stream')
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original_options[:disposition] ||= (DISPOSITION[original_options[:type]] or 'attachment')
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original_options[:stream] ||= false
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original_options
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end
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def send_file(file, options = {})
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determine_file_options_for(file, options)
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super(file, options)
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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[CGI.escape(@web_name)] = 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 or 'HomePage')
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end
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def remember_location
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if request.method == :get and
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response.headers['Status'] == '200 OK' and not
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%w(locked save back file pic import).include?(action_name)
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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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def rescue_action_in_public(exception)
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render :status => 500, :text => <<-EOL
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<html xmlns="http://www.w3.org/1999/xhtml"><body>
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<h2>Internal Error</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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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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public
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def set_content_type_header
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if %w(atom_with_content atom_with_headlines).include?(action_name)
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response.headers['Content-Type'] = 'application/atom+xml; charset=UTF-8'
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elsif %w(tex).include?(action_name)
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response.headers['Content-Type'] = 'text/plain; charset=UTF-8'
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elsif request.env['HTTP_USER_AGENT'] =~ /Validator/ or request.env.include?('HTTP_ACCEPT') &&
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Mime::Type.parse(request.env["HTTP_ACCEPT"]).include?(Mime::XHTML) &&
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!(request.env['HTTP_USER_AGENT'] =~ /Safari/ and %w(s5).include?(action_name))
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response.headers['Content-Type'] = 'application/xhtml+xml; charset=UTF-8'
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elsif request.env['HTTP_USER_AGENT'] =~ /MathPlayer/
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response.headers['Content-Type'] = 'application/xhtml+xml'
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else
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response.headers['Content-Type'] = 'text/html; charset=UTF-8'
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end
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end
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protected
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def set_robots_metatag
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if controller_name == 'wiki' and %w(show published).include? action_name
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@robots_metatag_value = 'index,follow'
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else
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@robots_metatag_value = 'noindex,nofollow'
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end
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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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private
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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 authorization_needed?
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not %w( login authenticate published atom_with_headlines atom_with_content).include?(action_name)
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end
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def authorized?
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@web.nil? or
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@web.password.nil? or
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cookies[CGI.escape(@web_name)] == @web.password or
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password_check(params['password']) or
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(@web.published? and action_name == 's5')
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end
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end
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module Mime
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# Fix HTML
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#HTML = Type.new "text/html", :html, %w( application/xhtml+xml )
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HTML = Type.new "text/html", :html
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# Add XHTML
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XHTML = Type.new "application/xhtml+xml", :xhtml
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# Fix xhtml and html lookups
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LOOKUP["text/html"] = HTML
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LOOKUP["application/xhtml+xml"] = XHTML
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end
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module Instiki
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module VERSION #:nodoc:
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MAJOR = 0
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MINOR = 12
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TINY = 0
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SUFFIX = '(MML+)'
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PRERELEASE = 'pre' # false
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if PRERELEASE
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STRING = [MAJOR, MINOR].join('.') + PRERELEASE + SUFFIX
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else
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STRING = [MAJOR, MINOR, TINY].join('.') + SUFFIX
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end
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end
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end
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