# The filters added to this controller will be run for all controllers in the application.
# Likewise will all the methods added be available for all controllers.
class ApplicationController < ActionController::Base
# require 'dnsbl_check'
protect_forms_from_spam
before_filter :dnsbl_check, :connect_to_model, :check_authorization, :setup_url_generator, :set_content_type_header, :set_robots_metatag
after_filter :remember_location, :teardown_url_generator
# For injecting a different wiki model implementation. Intended for use in tests
def self.wiki=(the_wiki)
# a global variable is used here because Rails reloads controller and model classes in the
# development environment; therefore, storing it as a class variable does not work
# class variable is, anyway, not much different from a global variable
#$instiki_wiki_service = the_wiki
logger.debug("Wiki service: #{the_wiki.to_s}")
end
def self.wiki
Wiki.new
end
protected
def check_authorization
if in_a_web? and authorization_needed? and not authorized?
redirect_to :controller => 'wiki', :action => 'login', :web => @web_name
return false
end
end
def connect_to_model
@action_name = params['action'] || 'index'
@web_name = params['web']
@wiki = wiki
@author = cookies['author'] || 'AnonymousCoward'
if @web_name
@web = @wiki.webs[@web_name]
if @web.nil?
render(:status => 404, :text => "Unknown web '#{@web_name}'", :layout => 'error')
return false
end
end
end
FILE_TYPES = {
'.exe' => 'application/octet-stream',
'.gif' => 'image/gif',
'.jpg' => 'image/jpeg',
'.pdf' => 'application/pdf',
'.png' => 'image/png',
'.txt' => 'text/plain',
'.tex' => 'text/plain',
'.zip' => 'application/zip'
} unless defined? FILE_TYPES
DISPOSITION = {
'application/octet-stream' => 'attachment',
'image/gif' => 'inline',
'image/jpeg' => 'inline',
'application/pdf' => 'inline',
'image/png' => 'inline',
'text/plain' => 'inline',
'application/zip' => 'attachment'
} unless defined? DISPOSITION
def determine_file_options_for(file_name, original_options = {})
original_options[:type] ||= (FILE_TYPES[File.extname(file_name)] or 'application/octet-stream')
original_options[:disposition] ||= (DISPOSITION[original_options[:type]] or 'attachment')
original_options[:stream] ||= false
original_options
end
def send_file(file, options = {})
determine_file_options_for(file, options)
super(file, options)
end
def password_check(password)
if password == @web.password
cookies[CGI.escape(@web_name)] = password
true
else
false
end
end
def password_error(password)
if password.nil? or password.empty?
'Please enter the password.'
else
'You entered a wrong password. Please enter the right one.'
end
end
def redirect_home(web = @web_name)
if web
redirect_to_page('HomePage', web)
else
redirect_to_url '/'
end
end
def redirect_to_page(page_name = @page_name, web = @web_name)
redirect_to :web => web, :controller => 'wiki', :action => 'show',
:id => (page_name or 'HomePage')
end
def remember_location
if request.method == :get and
response.headers['Status'] == '200 OK' and not
%w(locked save back file pic import).include?(action_name)
session[:return_to] = request.request_uri
logger.debug "Session ##{session.object_id}: remembered URL '#{session[:return_to]}'"
end
end
def rescue_action_in_public(exception)
if exception.instance_of?(CGI::Session::CookieStore::TamperedWithCookie)
render :text => 'Stale session. Please reload the page.', :status =>500, :layout => 'error'
else
render :status => 500, :text => <<-EOL
Internal Error
An application error occurred while processing your request.
EOL
end
end
def return_to_last_remembered
# Forget the redirect location
redirect_target, session[:return_to] = session[:return_to], nil
tried_home, session[:tried_home] = session[:tried_home], false
# then try to redirect to it
if redirect_target.nil?
if tried_home
raise 'Application could not render the index page'
else
logger.debug("Session ##{session.object_id}: no remembered redirect location, trying home")
redirect_home
end
else
logger.debug("Session ##{session.object_id}: " +
"redirect to the last remembered URL #{redirect_target}")
redirect_to_url(redirect_target)
end
end
public
def set_content_type_header
if %w(atom_with_content atom_with_headlines).include?(action_name)
response.headers['type'] = 'application/atom+xml; charset=UTF-8'
elsif %w(tex).include?(action_name)
response.headers['type'] = 'text/plain; charset=UTF-8'
elsif request.env['HTTP_USER_AGENT'] =~ /Validator/ or request.env.include?('HTTP_ACCEPT') &&
Mime::Type.parse(request.env["HTTP_ACCEPT"]).include?(Mime::XHTML)
response.headers['type'] = 'application/xhtml+xml; charset=UTF-8'
elsif request.env['HTTP_USER_AGENT'] =~ /MathPlayer/
response.headers['type'] = 'application/xhtml+xml'
else
response.headers['type'] = 'text/html; charset=UTF-8'
end
end
protected
def set_robots_metatag
if controller_name == 'wiki' and %w(show published).include? action_name
@robots_metatag_value = 'index,follow'
else
@robots_metatag_value = 'noindex,nofollow'
end
end
def setup_url_generator
PageRenderer.setup_url_generator(UrlGenerator.new(self))
end
def teardown_url_generator
PageRenderer.teardown_url_generator
end
def wiki
self.class.wiki
end
private
def in_a_web?
not @web_name.nil?
end
def authorization_needed?
not %w( login authenticate published atom_with_headlines atom_with_content).include?(action_name)
end
def authorized?
@web.nil? or
@web.password.nil? or
cookies[CGI.escape(@web_name)] == @web.password or
password_check(params['password']) or
(@web.published? and action_name == 's5')
end
end
module Mime
# Fix HTML
#HTML = Type.new "text/html", :html, %w( application/xhtml+xml )
self.class.const_set("HTML", Type.new("text/html", :html) )
# Add XHTML
XHTML = Type.new "application/xhtml+xml", :xhtml
# Fix xhtml and html lookups
LOOKUP["text/html"] = HTML
LOOKUP["application/xhtml+xml"] = XHTML
end
module Instiki
module VERSION #:nodoc:
MAJOR = 0
MINOR = 14
TINY = 0
SUFFIX = '(MML+)'
PRERELEASE = 'pre' # false
if PRERELEASE
STRING = [MAJOR, MINOR].join('.') + PRERELEASE + SUFFIX
else
STRING = [MAJOR, MINOR, TINY].join('.') + SUFFIX
end
end
end