X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/cd3fc33171daf8ae2d2a0cc3ff4261c021da3f85..14ac1babc2517320a2c90fa9b4ac36a5a6e68018:/app/controllers/application_controller.rb diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index 9af28de6f..90a967276 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -1,32 +1,53 @@ -# 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 - end + protect_from_forgery + + before_filter :fetch_body def authorize_web if session[:user] - @user = User.find(session[:user], :conditions => {:status => ["active", "confirmed", "suspended"]}) + @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first - if @user.status == "suspended" - session[:user] = nil + if @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 + unless @user + if request.get? + redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath + else + render :text => "", :status => :forbidden + end + end + end + + def require_oauth + @oauth = @user.access_token(OAUTH_KEY) if @user and defined? OAUTH_KEY end ## @@ -40,7 +61,7 @@ class ApplicationController < ActionController::Base # 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 + report_error "OAuth token doesn't have that capability.", :forbidden return false end end @@ -51,11 +72,14 @@ class ApplicationController < ActionController::Base def require_cookies if request.cookies["_osm_session"].to_s == "" if params[:cookie_test].nil? - redirect_to params.merge(:cookie_test => "true") + session[:cookie_test] = true + redirect_to Hash[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 @@ -71,6 +95,11 @@ 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) @@ -78,6 +107,23 @@ class ApplicationController < ActionController::Base def require_allow_write_gpx require_capability(:allow_write_gpx) end + def require_allow_write_notes + require_capability(:allow_write_notes) + end + + ## + # require that the user is a moderator, or fill out a helpful error message + # and return them to the index for the controller this is wrapped from. + def require_moderator + unless @user.moderator? + if request.get? + flash[:error] = t('application.require_moderator.not_a_moderator') + redirect_to :action => 'index' + else + render :text => "", :status => :forbidden + end + end + end ## # sets up the @user object for use by other methods. this is mostly called @@ -85,9 +131,7 @@ 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? @@ -99,10 +143,21 @@ class ApplicationController < ActionController::Base 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 + # have we identified the user? + if @user + # check if the user has been banned + if @user.blocks.active.exists? + # 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 @@ -119,40 +174,82 @@ class ApplicationController < ActionController::Base end end + ## + # to be used as a before_filter *after* authorize. this checks that + # the user is a moderator and, if not, returns a forbidden error. + # + # NOTE: this isn't a very good way of doing it - it duplicates logic + # from require_moderator - but what we really need to do is a fairly + # drastic refactoring based on :format and respond_to? but not a + # good idea to do that in this branch. + def authorize_moderator(errormessage="Access restricted to moderators") + # check user is a moderator + unless @user.moderator? + render :text => errormessage, :status => :forbidden + return false + 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 - response.headers['Error'] = "Database offline for maintenance" - render :nothing => true, :status => :service_unavailable + if api_status == :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 + unless api_status == :online + report_error "Database offline for maintenance", :service_unavailable return false end end + def database_status + if STATUS == :database_offline + :offline + elsif STATUS == :database_readonly + :readonly + else + :online + end + end + + def api_status + status = database_status + if status == :online + if STATUS == :api_offline + status = :offline + elsif STATUS == :api_readonly + status = :readonly + end + end + return status + end + + def gpx_status + status = database_status + if status == :online + status = :offline if STATUS == :gpx_offline + end + return status + 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 @@ -165,32 +262,66 @@ 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, :content_type => "text/plain" + 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 + if @user && !@user.languages.empty? + http_accept_language.user_preferred_languages = @user.languages + response.header['Vary'] = '*' end - I18n.locale = request.compatible_language_from(I18n.available_locales) + I18n.locale = select_locale + + if @user && @user.languages.empty? && !http_accept_language.user_preferred_languages.empty? + @user.languages = http_accept_language.user_preferred_languages + @user.save + end response.headers['Content-Language'] = I18n.locale.to_s end + def select_locale(locales = I18n.available_locales) + if params[:locale] + http_accept_language.user_preferred_languages = [ params[:locale] ] + end + + if http_accept_language.compatible_language_from(locales).nil? + http_accept_language.user_preferred_languages = http_accept_language.user_preferred_languages.collect do |pl| + pls = [ pl ] + + while pl.match(/^(.*)-[^-]+$/) + pls.push($1) if locales.include?($1) or locales.include?($1.to_sym) + pl = $1 + end + + pls + end.flatten + end + + http_accept_language.compatible_language_from(locales) || I18n.default_locale + end + + helper_method :select_locale + def api_call_handle_error begin yield rescue ActiveRecord::RecordNotFound => ex - render :nothing => true, :status => :not_found + render :text => "", :status => :not_found rescue LibXML::XML::Error, ArgumentError => ex report_error ex.message, :bad_request rescue ActiveRecord::RecordInvalid => ex @@ -199,7 +330,7 @@ class ApplicationController < ActionController::Base report_error message, :bad_request rescue OSM::APIError => ex report_error ex.message, ex.status - rescue ActionController::UnknownAction => ex + rescue AbstractController::ActionNotFound => ex raise rescue Exception => ex logger.info("API threw unexpected #{ex.class} exception: #{ex.message}") @@ -219,7 +350,7 @@ class ApplicationController < ActionController::Base ## # wrap an api call in a timeout def api_call_timeout - SystemTimer.timeout_after(APP_CONFIG['api_timeout']) do + OSM::Timer.timeout(API_TIMEOUT) do yield end rescue Timeout::Error @@ -229,11 +360,17 @@ class ApplicationController < ActionController::Base ## # wrap a web page in a timeout def web_timeout - SystemTimer.timeout_after(APP_CONFIG['web_timeout']) do + OSM::Timer.timeout(WEB_TIMEOUT) do yield end - rescue ActionView::TemplateError => ex - if ex.original_exception.is_a?(Timeout::Error) + rescue ActionView::Template::Error => ex + ex = ex.original_exception + + if ex.is_a?(ActiveRecord::StatementInvalid) and ex.message =~ /execution expired/ + ex = Timeout::Error.new + end + + if ex.is_a?(Timeout::Error) render :action => "timeout" else raise @@ -243,34 +380,66 @@ class ApplicationController < ActionController::Base 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[:cache_path] = Proc.new do |controller| - cache_path.merge(controller.params).merge(:locale => I18n.locale) - end - - actions.push(options) + # is the requestor logged in? + def logged_in? + !@user.nil? + end - super *actions + ## + # ensure that there is a "this_user" instance variable + def lookup_this_user + unless @this_user = User.active.find_by_display_name(params[:display_name]) + render_unknown_user params[:display_name] + end end ## - # extend expire_action to expire all variants - def expire_action(options = {}) - path = ActionCachePath.path_for(self, options, false).gsub('?', '.').gsub(':', '.') - expire_fragment(Regexp.new(Regexp.escape(path) + "\\..*")) + # render a "no such user" page + def render_unknown_user(name) + @title = t "user.no_such_user.title" + @not_found_user = name + + respond_to do |format| + format.html { render :template => "user/no_such_user", :status => :not_found } + format.all { render :text => "", :status => :not_found } + end end ## - # is the requestor logged in? - def logged_in? - !@user.nil? + # Unfortunately if a PUT or POST request that has a body fails to + # read it then Apache will sometimes fail to return the response it + # is given to the client properly, instead erroring: + # + # https://issues.apache.org/bugzilla/show_bug.cgi?id=44782 + # + # To work round this we call rewind on the body here, which is added + # as a filter, to force it to be fetched from Apache into a file. + def fetch_body + request.body.rewind + end + + def map_layout + request.xhr? ? 'xhr' : 'map' + end + + def preferred_editor + editor = if params[:editor] + params[:editor] + elsif @user and @user.preferred_editor + @user.preferred_editor + else + DEFAULT_EDITOR + end + + if request.env['HTTP_USER_AGENT'] =~ /MSIE|Trident/ and editor == 'id' + editor = 'potlatch2' + end + + editor end + helper_method :preferred_editor + private # extract authorisation credentials from headers, returns user = nil if none @@ -289,4 +458,18 @@ 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