instiki/app/controllers/application.rb

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2005-01-15 21:26:54 +01:00
require 'url_rewriting_hack'
# 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
# implements Instiki's legacy URLs
require 'url_rewriting_hack'
before_filter :set_utf8_http_header, :connect_to_model
after_filter :remember_location
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# 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
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def self.wiki
$instiki_wiki_service
end
protected
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def authorized?
@web.nil? ||
@web.password.nil? ||
cookies['web_address'] == @web.password ||
password_check(@params['password'])
end
def check_authorization
if in_a_web? and
not authorized? and
not %w( login authenticate published ).include?(@action_name)
redirect_to :action => 'login'
return false
end
end
def connect_to_model
@action_name = @params['action'] || 'index'
@web_name = @params['web']
@wiki = wiki
@web = @wiki.webs[@web_name] unless @web_name.nil?
@page_name = @file_name = @params['id']
@page = @wiki.read_page(@web_name, @page_name) unless @page_name.nil?
@author = cookies['author'] || 'AnonymousCoward'
check_authorization
end
FILE_TYPES = {
'.exe' => 'application/octet-stream',
'.gif' => 'image/gif',
'.jpg' => 'image/jpeg',
'.pdf' => 'application/pdf',
'.png' => 'image/png',
'.txt' => 'text/plain',
'.zip' => 'application/zip'
}
def send_file(file, options = {})
options[:type] ||= (FILE_TYPES[File.extname(file)] || 'application/octet-stream')
super(file, options)
end
def in_a_web?
not @web_name.nil?
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end
@@REMEMBER_NOT = ['locked', 'save', 'back', 'file']
def remember_location
if @response.headers['Status'] == '200 OK'
unless @@REMEMBER_NOT.include? action_name or @request.method != :get
@session[:return_to] = url_for
logger.debug("Session ##{session.object_id}: remembered URL '#{@session[:return_to]}'")
end
end
end
def return_to_last_remembered
# Forget the redirect location
redirect_target, @session[:return_to] = @session[:return_to], nil
# then try to redirect to it
if redirect_target.nil?
logger.debug("Session ##{session.object_id}: no remembered redirect location, trying /")
redirect_to_url '/'
else
logger.debug("Session ##{session.object_id}: " +
"redirect to the last remembered URL #{redirect_target}")
redirect_to_url(redirect_target)
end
end
def set_utf8_http_header
@response.headers['Content-Type'] = 'text/html; charset=UTF-8'
end
def wiki
$instiki_wiki_service
end
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end