# Likewise, all the methods added will be available for all controllers.
class ApplicationController < ActionController::Base
- if OSM_STATUS == :database_readonly or OSM_STATUS == :database_offline
+ if STATUS == :database_readonly or STATUS == :database_offline
session :off
end
def authorize_web
if session[:user]
- @user = User.find(session[:user], :conditions => {:visible => true})
+ @user = User.find(session[:user], :conditions => {:status => ["active", "confirmed", "suspended"]})
+
+ if @user.status == "suspended"
+ session[:user] = nil
+ session_expires_automatically
+
+ redirect_to :controller => "user", :action => "suspended"
+ end
elsif session[:token]
@user = User.authenticate(:token => session[:token])
session[:user] = @user.id
redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri unless @user
end
+ ##
+ # requires the user to be logged in by the token or HTTP methods, or have an
+ # OAuth token with the right capability. this method is a bit of a pain to call
+ # directly, since it's cumbersome to call filters with arguments in rails. to
+ # make it easier to read and write the code, there are some utility methods
+ # below.
+ def require_capability(cap)
+ # when the current token is nil, it means the user logged in with a different
+ # method, otherwise an OAuth token was used, which has to be checked.
+ unless current_token.nil?
+ unless current_token.read_attribute(cap)
+ render :text => "OAuth token doesn't have that capability.", :status => :forbidden
+ return false
+ end
+ end
+ end
+
+ ##
+ # require the user to have cookies enabled in their browser
+ def require_cookies
+ if request.cookies["_osm_session"].to_s == ""
+ if params[:cookie_test].nil?
+ redirect_to params.merge(:cookie_test => "true")
+ return false
+ else
+ flash.now[:warning] = t 'application.require_cookies.cookies_needed'
+ end
+ end
+ end
+
+ # Utility methods to make the controller filter methods easier to read and write.
+ def require_allow_read_prefs
+ require_capability(:allow_read_prefs)
+ end
+ def require_allow_write_prefs
+ require_capability(:allow_write_prefs)
+ end
+ def require_allow_write_diary
+ require_capability(:allow_write_diary)
+ end
+ def require_allow_write_api
+ require_capability(:allow_write_api)
+ end
+ def require_allow_read_gpx
+ require_capability(:allow_read_gpx)
+ end
+ def require_allow_write_gpx
+ require_capability(:allow_write_gpx)
+ end
+
##
# sets up the @user object for use by other methods. this is mostly called
# from the authorize method, but can be called elsewhere if authorisation
# is optional.
def setup_user_auth
- username, passwd = get_auth_data # parse from headers
- # authenticate per-scheme
- if username.nil?
- @user = nil # no authentication provided - perhaps first connect (client should retry after 401)
- elsif username == 'token'
- @user = User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
+ # try and setup using OAuth
+ if oauthenticate
+ @user = current_token.user
else
- @user = User.authenticate(:username => username, :password => passwd) # basic auth
+ username, passwd = get_auth_data # parse from headers
+ # authenticate per-scheme
+ if username.nil?
+ @user = nil # no authentication provided - perhaps first connect (client should retry after 401)
+ elsif username == 'token'
+ @user = User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
+ else
+ @user = User.authenticate(:username => username, :password => passwd) # basic auth
+ end
+ end
+
+ # check if the user has been banned
+ unless @user.nil? or @user.active_blocks.empty?
+ # NOTE: need slightly more helpful message than this.
+ render :text => t('application.setup_user_auth.blocked'), :status => :forbidden
end
end
end
def check_database_readable(need_api = false)
- if OSM_STATUS == :database_offline or (need_api and OSM_STATUS == :api_offline)
+ if STATUS == :database_offline or (need_api and STATUS == :api_offline)
redirect_to :controller => 'site', :action => 'offline'
end
end
def check_database_writable(need_api = false)
- if OSM_STATUS == :database_offline or OSM_STATUS == :database_readonly or
- (need_api and (OSM_STATUS == :api_offline or OSM_STATUS == :api_readonly))
+ if STATUS == :database_offline or STATUS == :database_readonly or
+ (need_api and (STATUS == :api_offline or STATUS == :api_readonly))
redirect_to :controller => 'site', :action => 'offline'
end
end
def check_api_readable
- if OSM_STATUS == :database_offline or OSM_STATUS == :api_offline
+ if STATUS == :database_offline or STATUS == :api_offline
response.headers['Error'] = "Database offline for maintenance"
render :nothing => true, :status => :service_unavailable
return false
end
def check_api_writable
- if OSM_STATUS == :database_offline or OSM_STATUS == :database_readonly or
- OSM_STATUS == :api_offline or OSM_STATUS == :api_readonly
+ if STATUS == :database_offline or STATUS == :database_readonly or
+ STATUS == :api_offline or STATUS == :api_readonly
response.headers['Error'] = "Database offline for maintenance"
render :nothing => true, :status => :service_unavailable
return false
end
def set_locale
+ response.header['Vary'] = 'Accept-Language'
+
if @user
if !@user.languages.empty?
request.user_preferred_languages = @user.languages
+ response.header['Vary'] = '*'
elsif !request.user_preferred_languages.empty?
@user.languages = request.user_preferred_languages
@user.save
end
end
- I18n.locale = request.preferred_language_from(I18n.available_locales) ||
- request.compatible_language_from(I18n.available_locales)
- logger.info("Select #{I18n.locale} matching #{request.user_preferred_languages.join(',')} against #{I18n.available_locales.join(',')}")
+ I18n.locale = request.compatible_language_from(I18n.available_locales)
+
response.headers['Content-Language'] = I18n.locale.to_s
end
report_error message, :bad_request
rescue OSM::APIError => ex
report_error ex.message, ex.status
+ rescue ActionController::UnknownAction => ex
+ raise
rescue Exception => ex
+ logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
+ ex.backtrace.each { |l| logger.info(l) }
report_error "#{ex.class}: #{ex.message}", :internal_server_error
end
end
raise OSM::APIBadMethodError.new(method) unless ok
end
+ ##
+ # wrap an api call in a timeout
def api_call_timeout
- Timeout::timeout(APP_CONFIG['api_timeout'], OSM::APITimeoutError) do
+ SystemTimer.timeout_after(API_TIMEOUT) do
yield
end
+ rescue Timeout::Error
+ raise OSM::APITimeoutError
+ end
+
+ ##
+ # wrap a web page in a timeout
+ def web_timeout
+ SystemTimer.timeout_after(WEB_TIMEOUT) do
+ yield
+ end
+ rescue ActionView::TemplateError => ex
+ if ex.original_exception.is_a?(Timeout::Error)
+ render :action => "timeout"
+ else
+ raise
+ end
+ rescue Timeout::Error
+ render :action => "timeout"
+ end
+
+ ##
+ # extend caches_action to include the parameters, locale and logged in
+ # status in all cache keys
+ def self.caches_action(*actions)
+ options = actions.extract_options!
+ cache_path = options[:cache_path] || Hash.new
+
+ options[:unless] = case options[:unless]
+ when NilClass then Array.new
+ when Array then options[:unless]
+ else unlessp = [ options[:unless] ]
+ end
+
+ options[:unless].push(Proc.new do |controller|
+ controller.params.include?(:page)
+ end)
+
+ options[:cache_path] = Proc.new do |controller|
+ cache_path.merge(controller.params).merge(:locale => I18n.locale)
+ end
+
+ actions.push(options)
+
+ super *actions
+ end
+
+ ##
+ # extend expire_action to expire all variants
+ def expire_action(options = {})
+ I18n.available_locales.each do |locale|
+ super options.merge(:locale => locale)
+ end
+ end
+
+ ##
+ # is the requestor logged in?
+ def logged_in?
+ !@user.nil?
end
private
+
# extract authorisation credentials from headers, returns user = nil if none
def get_auth_data
if request.env.has_key? 'X-HTTP_AUTHORIZATION' # where mod_rewrite might have put it
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