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class ApplicationController < ActionController::Base
protect_from_forgery
before_filter :set_locale
before_filter :go_to_setup_if_new_installation
before_filter :home_breadcrumb
helper_method :current_user
helper_method :guess_local_ip_address
helper_method :guess_local_host
helper_method :'have_https?'
helper_method :random_pin
#TODO Add check_authorization. See
# https://github.com/ryanb/cancan
# https://github.com/ryanb/cancan/wiki/Ensure-Authorization
# and Gemeinschaft 4
# Generate a new name for an Object
#
def generate_a_new_name(parent, child = nil)
if child
i = parent.send(child.class.name.underscore.pluralize).count
loop do
i += 1
if I18n.t("#{child.class.name.underscore.pluralize}.new_name_scaffold").include?('translation missing')
@guess_a_new_name = I18n.t(child.class.name.underscore.pluralize + '.name') + " #{i}"
else
@guess_a_new_name = I18n.t("#{child.class.name.underscore.pluralize}.new_name_scaffold", :counter => i.to_s)
end
break unless parent.send(child.class.name.underscore.pluralize).where(:name => "#{@guess_a_new_name}").count > 0
end
else
i = parent.class.count
loop do
i += 1
if I18n.t("#{parent.class.name.underscore.pluralize}.new_name_scaffold").include?('translation missing')
@guess_a_new_name = I18n.t(parent.class.name.underscore.pluralize + '.name') + " #{i}"
else
@guess_a_new_name = I18n.t("#{parent.class.name.underscore.pluralize}.new_name_scaffold", :counter => i.to_s)
end
break unless parent.class.where(:name => "#{@guess_a_new_name}").count > 0
end
end
return @guess_a_new_name
end
# Generate a new random PIN
#
def random_pin
if GsParameter.get('MINIMUM_PIN_LENGTH') > 0
(1..GsParameter.get('MINIMUM_PIN_LENGTH')).map{|i| (0 .. 9).to_a.sample}.join
end
end
# return the IP address (preferred) or hostname at which the
# current request arrived
def server_host
return (
request.env['SERVER_ADDR'] ||
request.env['SERVER_NAME'] ||
request.env['HTTP_HOST']
)
end
def have_https?
return Connectivity::port_open?( server_host(), 443 )
end
def guess_local_ip_address
ret = nil
begin
ipsocket_addr_info = UDPSocket.open {|s| s.connect("255.255.255.254", 1); s.addr(false) }
ret = ipsocket_addr_info.last if ipsocket_addr_info
rescue
end
return ret
end
def guess_local_host
ret = guess_local_ip_address()
if ! ret
begin
if request
ret = request.env['SERVER_NAME']
end
rescue
end
end
if ret && [
'',
'localhost',
'127.0.0.1',
'0.0.0.0',
].include?(ret)
ret = nil
end
return ret
end
rescue_from CanCan::AccessDenied do |exception|
if current_user
redirect_to root_url, :alert => 'Access denied! Please ask your admin to grant you the necessary rights.'
else
if Tenant.count == 0 && User.count == 0
# This is a brand new system. We need to run a setup first.
redirect_to wizards_new_initial_setup_path
else
# You need to login first.
redirect_to log_in_path, :alert => 'Access denied! You need to login first.'
end
end
end
private
def current_user
if session[:user_id] && User.where(:id => session[:user_id]).any?
return User.where(:id => session[:user_id]).first
else
session[:user_id] = nil
return nil
end
end
def go_to_setup_if_new_installation
if Rails.env != 'test'
if GemeinschaftSetup.all.count == 0
redirect_to new_gemeinschaft_setup_path
end
end
end
def home_breadcrumb
if current_user
if current_user && Tenant.find(current_user.current_tenant_id)
add_breadcrumb( current_user.current_tenant, tenant_path(current_user.current_tenant) )
else
add_breadcrumb I18n.t('pages.controller.index.name'), :root_path
end
end
end
def set_locale
if current_user && Language.find(current_user.language_id)
I18n.locale = current_user.language.code.downcase
else
logger.debug "* Accept-Language: #{request.env['HTTP_ACCEPT_LANGUAGE']}"
I18n.locale = request.compatible_language_from(Language.all.map{|x| x.code})
end
logger.debug "* Locale set to '#{I18n.locale}'"
end
end
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