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# Copyright (C) 2007, 2008, 2009, 2010 Heiko Bernloehr (FreeIT.de).
#
# This file is part of ECS.
#
# ECS is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# ECS is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with ECS. If not, see <http://www.gnu.org/licenses/>.
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
class ApplicationController < ActionController::Base
require 'exceptions'
require 'pp'
require 'json/add/rails'
#rescue_from Exception, :with => :rescue_body_500
rescue_from Ecs::InvalidMessageException, :with => :rescue_body_400
rescue_from Ecs::MissingReceiverHeaderException, :with => :rescue_body_400
rescue_from Ecs::AuthenticationException, :with => :rescue_body_401
rescue_from Ecs::AuthorizationException, :with => :rescue_body_403
rescue_from Ecs::InvalidRessourceUriException, :with => :rescue_body_404
rescue_from ActiveRecord::RecordNotFound, :with => :rescue_body_404
rescue_from ActionController::RoutingError , :with => :rescue_body_404
rescue_from Ecs::NoReceiverOfMessageException, :with => :rescue_body_404
rescue_from Ecs::OuttimedAuthsException, :with => :rescue_body_409
rescue_from ActiveRecord::StaleObjectError, :with => :rescue_body_409
rescue_from ActiveRecord::StatementInvalid, :with => :rescue_body_415
rescue_from Ecs::InvalidMimetypeException, :with => :rescue_body_415
#helper :all # include all helpers, all the time
protect_from_forgery # See ActionController::RequestForgeryProtection for details
# session :on
# Scrub sensitive parameters from your log
# filter_parameter_logging :password
#
def initialize
super
#@ar_model_name = nil
#@ar_model = nil
@list = nil
@record = nil
@app_namespace = nil
@ressource_name = nil
@ressource_path = nil
@body = ""
@participant = nil
@memberships = nil
@cookie = nil
@outdated_auth_token = nil
end
protected
def authentication
logger.info "X-EcsAuthId: #{request.headers['X-EcsAuthId']}" unless request.headers['X-EcsAuthId'].blank?
if ECS_CONFIG["participants"]["allow_anonymous"]
# new anonymous participant
if request.headers["X-EcsAuthId"].blank? and request.headers["Cookie"].blank?
@participant, @cookie = Participant.generate_anonymous_participant
return @participant
end
# anonymous participants
if !(@cookie = cookies[:ecs_anonymous]).blank?
if (identity = Identity.find_by_name(@cookie)).blank?
raise Ecs::AuthenticationException, "No valid identity found for cookie: #{@cookie}"
elsif (participant = identity.participant).blank?
raise Ecs::AuthenticationException, "Cookie: #{@cookie}\" is not assigned any participant"
else
return @participant = participant
end
end
end
# authenticated participants
if (auth_id = request.headers["X-EcsAuthId"]).blank?
raise Ecs::AuthenticationException, "No \"X-EcsAuthId\" http header"
elsif (identity = Identity.find_by_name(auth_id)).blank?
raise Ecs::AuthenticationException, "No \"X-EcsAuthId: #{auth_id}\" identity found"
elsif (participant = identity.participant).blank?
raise Ecs::AuthenticationException, "\"X-EcsAuthId: #{auth_id}\" is not assigned any participant"
else
return @participant = participant
end
end
# set the cookie header
def add_cookie_header
cookies[:ecs_anonymous] = \
{
:value => @cookie,
:path => "/",
:expires => Participant::TTL.seconds.from_now
} unless @cookie.blank?
end
def touch_participant_ttl
Participant.touch_ttl(@participant) if @participant.anonymous
end
# error pages
def rescue_body_401
@http_error= $!
logger.error $!.to_s
render :text => "#{$!.to_s}\n", :layout => false, :status => 401
end
def rescue_body_500
@http_error= $!
logger.error $!.to_s
render :text => "#{$!.to_s}\n", :layout => false, :status => 500
end
def rescue_body_400
@http_error= $!
logger.error $!.to_s
render :text => "#{$!.to_s}\n" , :layout => false, :status => 400
end
def rescue_body_403
@http_error= $!
logger.error $!.to_s
render :text => "#{$!.to_s}\n" , :layout => false, :status => 403
end
def rescue_body_404
@http_error= $!
logger.error $!.to_s
if $!.to_s.blank?
render :text => "The server does not know the ressource\nor the message queue in question is empty.\n" , :layout => false, :status => 404
else
render :text => "#{$!.to_s}\n" , :layout => false, :status => 404
end
end
def rescue_body_409
@http_error= $!
logger.error $!.to_s
render :text => "#{$!.to_s}\n" , :layout => false, :status => 409
end
def rescue_body_415(controller_binding)
@http_error= $!
logger.error $!.to_s
if $!.to_s.blank?
render :text => "The format of the client data is not supported by the server.\nIf your format is right please doublecheck the encoding !\nIt has to be UTF8 !\n", :layout => false, :status => 415
else
render :text => "#{$!.to_s}\n" , :layout => false, :status => 415
end
end
end
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