X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/e657cff464b6db8384b56236ad9491223a22b1e2..02542c96f27787a17da677bd9fc0e3ef8bceeaf6:/app/controllers/application_controller.rb diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index 110682947..6caed0594 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -1,25 +1,57 @@ -# Filters added to this controller will be run for all controllers in the application. -# Likewise, all the methods added will be available for all controllers. class ApplicationController < ActionController::Base + include SessionPersistence - if OSM_STATUS == :database_readonly or OSM_STATUS == :database_offline - session :off + protect_from_forgery + + if STATUS == :database_readonly or STATUS == :database_offline + after_filter :clear_session + wrap_parameters false + + def clear_session + session.clear + end + + def self.cache_sweeper(*sweepers) + end end def authorize_web if session[:user] - @user = User.find(session[:user], :conditions => {:visible => true}) + @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first + + if @user.display_name != cookies["_osm_username"] + logger.info "Session user '#{@user.display_name}' does not match cookie user '#{cookies['_osm_username']}'" + reset_session + @user = nil + elsif @user.status == "suspended" + session.delete(:user) + session_expires_automatically + + redirect_to :controller => "user", :action => "suspended" + + # don't allow access to any auth-requiring part of the site unless + # the new CTs have been seen (and accept/decline chosen). + elsif !@user.terms_seen and flash[:skip_terms].nil? + flash[:notice] = t 'user.terms.you need to accept or decline' + if params[:referer] + redirect_to :controller => "user", :action => "terms", :referer => params[:referer] + else + redirect_to :controller => "user", :action => "terms", :referer => request.fullpath + end + end elsif session[:token] - @user = User.authenticate(:token => session[:token]) - session[:user] = @user.id + if @user = User.authenticate(:token => session[:token]) + session[:user] = @user.id + end end rescue Exception => ex logger.info("Exception authorizing user: #{ex.to_s}") + reset_session @user = nil end def require_user - redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri unless @user + redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath unless @user end ## @@ -31,14 +63,30 @@ class ApplicationController < ActionController::Base 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 + unless current_token.nil? + unless current_token.read_attribute(cap) + report_error "OAuth token doesn't have that capability.", :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? + session[:cookie_test] = true + redirect_to params.merge(:cookie_test => "true") + return false + else + flash.now[:warning] = t 'application.require_cookies.cookies_needed' + end + else + session.delete(:cookie_test) + 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) @@ -51,6 +99,11 @@ class ApplicationController < ActionController::Base end def require_allow_write_api require_capability(:allow_write_api) + + if REQUIRE_TERMS_AGREED and @user.terms_agreed.nil? + report_error "You must accept the contributor terms before you can edit.", :forbidden + return false + end end def require_allow_read_gpx require_capability(:allow_read_gpx) @@ -65,9 +118,7 @@ class ApplicationController < ActionController::Base # is optional. def setup_user_auth # try and setup using OAuth - if oauthenticate - @user = @current_token.user - else + if not Authenticator.new(self, [:token]).allow? username, passwd = get_auth_data # parse from headers # authenticate per-scheme if username.nil? @@ -78,6 +129,23 @@ class ApplicationController < ActionController::Base @user = User.authenticate(:username => username, :password => passwd) # basic auth end end + + # have we identified the user? + if @user + # check if the user has been banned + if not @user.active_blocks.empty? + # NOTE: need slightly more helpful message than this. + report_error t('application.setup_user_auth.blocked'), :forbidden + end + + # if the user hasn't seen the contributor terms then don't + # allow editing - they have to go to the web site and see + # (but can decline) the CTs to continue. + if REQUIRE_TERMS_SEEN and not @user.terms_seen and flash[:skip_terms].nil? + set_locale + report_error t('application.setup_user_auth.need_to_see_terms'), :forbidden + end + end end def authorize(realm='Web Password', errormessage="Couldn't authenticate you") @@ -94,39 +162,36 @@ class ApplicationController < ActionController::Base 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 - response.headers['Error'] = "Database offline for maintenance" - render :nothing => true, :status => :service_unavailable + if STATUS == :database_offline or STATUS == :api_offline + report_error "Database offline for maintenance", :service_unavailable return false end 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 - response.headers['Error'] = "Database offline for maintenance" - render :nothing => true, :status => :service_unavailable + if STATUS == :database_offline or STATUS == :database_readonly or + STATUS == :api_offline or STATUS == :api_readonly + report_error "Database offline for maintenance", :service_unavailable return false end end def require_public_data unless @user.data_public? - response.headers['Error'] = "You must make your edits public to upload new data" - render :nothing => true, :status => :forbidden + report_error "You must make your edits public to upload new data", :forbidden return false end end @@ -139,20 +204,52 @@ class ApplicationController < ActionController::Base def report_error(message, status = :bad_request) # Todo: some sort of escaping of problem characters in the message response.headers['Error'] = message - render :text => message, :status => status + + if request.headers['X-Error-Format'] and + request.headers['X-Error-Format'].downcase == "xml" + result = OSM::API.new.get_xml_doc + result.root.name = "osmError" + result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}") + result.root << (XML::Node.new("message") << message) + + render :text => result.to_s, :content_type => "text/xml" + else + render :text => message, :status => status + end 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.compatible_language_from(I18n.available_locales) + if request.compatible_language_from(I18n.available_locales).nil? + request.user_preferred_languages = request.user_preferred_languages.collect do |pl| + pls = [ pl ] + + while pl.match(/^(.*)-[^-]+$/) + pls.push($1) if I18n.available_locales.include?($1.to_sym) + pl = $1 + end + + pls + end.flatten + + if @user and not request.compatible_language_from(I18n.available_locales).nil? + @user.languages = request.user_preferred_languages + @user.save + end + end + + I18n.locale = request.compatible_language_from(I18n.available_locales) || I18n.default_locale response.headers['Content-Language'] = I18n.locale.to_s end @@ -170,7 +267,11 @@ class ApplicationController < ActionController::Base report_error message, :bad_request rescue OSM::APIError => ex report_error ex.message, ex.status + rescue AbstractController::ActionNotFound => 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 @@ -183,13 +284,80 @@ class ApplicationController < ActionController::Base 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 + OSM::Timer.timeout(API_TIMEOUT) do yield end + rescue Timeout::Error + raise OSM::APITimeoutError + end + + ## + # wrap a web page in a timeout + def web_timeout + OSM::Timer.timeout(WEB_TIMEOUT) do + yield + end + rescue ActionView::Template::Error => ex + ex = ex.original_exception + + if ex.is_a?(ActiveRecord::StatementInvalid) and ex.message =~ /^Timeout::Error/ + ex = Timeout::Error.new + end + + if ex.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(:host => SERVER_URL, :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(:host => SERVER_URL, :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 @@ -206,4 +374,18 @@ private return [user, pass] end + # used by oauth plugin to get the current user + def current_user + @user + end + + # used by oauth plugin to set the current user + def current_user=(user) + @user=user + end + + # override to stop oauth plugin sending errors + def invalid_oauth_response + end + end