X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/dd7ef37ec023646120358a0a6a7959a392b79f1c..673b58f96f3acfd0281c62a2a7f080825b6fb28b:/app/controllers/application_controller.rb diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index 6c32b74b2..a24df48e0 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -1,37 +1,59 @@ -# 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 STATUS == :database_readonly or STATUS == :database_offline - session :off - end + protect_from_forgery :with => :exception + + before_action :fetch_body + + attr_accessor :current_user + helper_method :current_user def authorize_web if session[:user] - @user = User.find(session[:user], :conditions => {:status => ["active", "confirmed", "suspended"]}) + self.current_user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first - if @user.status == "suspended" - session[:user] = nil + if current_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 !current_user.terms_seen && 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 + session[:user] = current_user.id if self.current_user = User.authenticate(:token => session[:token]) end - rescue Exception => ex - logger.info("Exception authorizing user: #{ex.to_s}") - @user = nil + rescue StandardError => ex + logger.info("Exception authorizing user: #{ex}") + reset_session + self.current_user = nil end def require_user - redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri unless @user + unless current_user + if request.get? + redirect_to :controller => "user", :action => "login", :referer => request.fullpath + else + head :forbidden + end + end + end + + def require_oauth + @oauth = current_user.access_token(OAUTH_KEY) if current_user && defined? OAUTH_KEY 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 + # 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. @@ -40,8 +62,9 @@ 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 - return false + set_locale + report_error t("oauth.permissions.missing"), :forbidden + false end end end @@ -51,11 +74,14 @@ 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") - return false + session[:cookie_test] = true + redirect_to params.to_unsafe_h.merge(:cookie_test => "true") + false else - flash.now[:warning] = t 'application.require_cookies.cookies_needed' + flash.now[:warning] = t "application.require_cookies.cookies_needed" end + else + session.delete(:cookie_test) end end @@ -63,149 +89,254 @@ class ApplicationController < ActionController::Base 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) + + if REQUIRE_TERMS_AGREED && current_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) end + def require_allow_write_gpx require_capability(:allow_write_gpx) end + def require_allow_write_notes + require_capability(:allow_write_notes) + end + ## - # sets up the @user object for use by other methods. this is mostly called + # 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 current_user.moderator? + if request.get? + flash[:error] = t("application.require_moderator.not_a_moderator") + redirect_to :action => "index" + else + head :forbidden + end + end + end + + ## + # sets up the current_user 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 # try and setup using OAuth - if oauthenticate - @user = current_token.user - else + unless Authenticator.new(self, [:token]).allow? 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 + self.current_user = if username.nil? + nil # no authentication provided - perhaps first connect (client should retry after 401) + elsif username == "token" + User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth + else + 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 + # have we identified the user? + if current_user + # check if the user has been banned + user_block = current_user.blocks.active.take + unless user_block.nil? + set_locale + if user_block.zero_hour? + report_error t("application.setup_user_auth.blocked_zero_hour"), :forbidden + else + report_error t("application.setup_user_auth.blocked"), :forbidden + end + 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 && !current_user.terms_seen && 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") + def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you") # make the @user object from any auth sources we have setup_user_auth # handle authenticate pass/fail - unless @user + unless current_user # no auth, the user does not exist or the password was wrong - response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" - render :text => errormessage, :status => :unauthorized + response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" + render :plain => errormessage, :status => :unauthorized return false - end - end + 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 current_user.moderator? + render :plain => errormessage, :status => :forbidden + false + end + end def check_database_readable(need_api = false) - if STATUS == :database_offline or (need_api and STATUS == :api_offline) - redirect_to :controller => 'site', :action => 'offline' + if STATUS == :database_offline || (need_api && STATUS == :api_offline) + if request.xhr? + report_error "Database offline for maintenance", :service_unavailable + else + redirect_to :controller => "site", :action => "offline" + end end end def check_database_writable(need_api = false) - 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' + if STATUS == :database_offline || STATUS == :database_readonly || + (need_api && (STATUS == :api_offline || STATUS == :api_readonly)) + if request.xhr? + report_error "Database offline for maintenance", :service_unavailable + else + redirect_to :controller => "site", :action => "offline" + end end end def check_api_readable - if STATUS == :database_offline or STATUS == :api_offline - response.headers['Error'] = "Database offline for maintenance" - render :nothing => true, :status => :service_unavailable - return false + if api_status == :offline + report_error "Database offline for maintenance", :service_unavailable + false end end def check_api_writable - 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 + unless api_status == :online + report_error "Database offline for maintenance", :service_unavailable + 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 + status + end + + def gpx_status + status = database_status + status = :offline if status == :online && STATUS == :gpx_offline + 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 - return false + unless current_user.data_public? + report_error "You must make your edits public to upload new data", :forbidden + false end end # Report and error to the user # (If anyone ever fixes Rails so it can set a http status "reason phrase", - # rather than only a status code and having the web engine make up a + # rather than only a status code and having the web engine make up a # phrase from that, we can also put the error message into the status # message. For now, rails won't let us) 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 + # TODO: some sort of escaping of problem characters in the message + response.headers["Error"] = message + + if request.headers["X-Error-Format"] && + request.headers["X-Error-Format"].casecmp("xml").zero? + 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 :xml => result.to_s + else + render :plain => message, :status => status + end end - + + def preferred_languages + @languages ||= if params[:locale] + Locale.list(params[:locale]) + elsif current_user + current_user.preferred_languages + else + Locale.list(http_accept_language.user_preferred_languages) + end + end + + helper_method :preferred_languages + 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 current_user && current_user.languages.empty? && !http_accept_language.user_preferred_languages.empty? + current_user.languages = http_accept_language.user_preferred_languages + current_user.save end - I18n.locale = request.compatible_language_from(I18n.available_locales) + I18n.locale = Locale.available.preferred(preferred_languages) - response.headers['Content-Language'] = I18n.locale.to_s + response.headers["Vary"] = "Accept-Language" + response.headers["Content-Language"] = I18n.locale.to_s end def api_call_handle_error - begin - yield - rescue ActiveRecord::RecordNotFound => ex - render :nothing => true, :status => :not_found - rescue LibXML::XML::Error, ArgumentError => ex - report_error ex.message, :bad_request - rescue ActiveRecord::RecordInvalid => ex - message = "#{ex.record.class} #{ex.record.id}: " - ex.record.errors.each { |attr,msg| message << "#{attr}: #{msg} (#{ex.record[attr].inspect})" } - 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 + yield + rescue ActiveRecord::RecordNotFound => ex + head :not_found + rescue LibXML::XML::Error, ArgumentError => ex + report_error ex.message, :bad_request + rescue ActiveRecord::RecordInvalid => ex + message = "#{ex.record.class} #{ex.record.id}: " + ex.record.errors.each { |attr, msg| message << "#{attr}: #{msg} (#{ex.record[attr].inspect})" } + report_error message, :bad_request + rescue OSM::APIError => ex + report_error ex.message, ex.status + rescue AbstractController::ActionNotFound => ex + raise + rescue StandardError => 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 ## @@ -213,13 +344,13 @@ class ApplicationController < ActionController::Base # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get. def assert_method(method) ok = request.send((method.to_s.downcase + "?").to_sym) - raise OSM::APIBadMethodError.new(method) unless ok + raise OSM::APIBadMethodError, method unless ok end ## # wrap an api call in a timeout def api_call_timeout - SystemTimer.timeout_after(API_TIMEOUT) do + OSM::Timer.timeout(API_TIMEOUT, Timeout::Error) do yield end rescue Timeout::Error @@ -229,11 +360,14 @@ class ApplicationController < ActionController::Base ## # wrap a web page in a timeout def web_timeout - SystemTimer.timeout_after(WEB_TIMEOUT) do + OSM::Timer.timeout(WEB_TIMEOUT, Timeout::Error) do yield end - rescue ActionView::TemplateError => ex - if ex.original_exception.is_a?(Timeout::Error) + rescue ActionView::Template::Error => ex + ex = ex.cause + + if ex.is_a?(Timeout::Error) || + (ex.is_a?(ActiveRecord::StatementInvalid) && ex.message =~ /execution expired/) render :action => "timeout" else raise @@ -243,61 +377,98 @@ 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[: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 + # ensure that there is a "this_user" instance variable + def lookup_this_user + render_unknown_user params[:display_name] unless @this_user = User.active.find_by(:display_name => params[:display_name]) end ## - # extend expire_action to expire all variants - def expire_action(options = {}) - I18n.available_locales.each do |locale| - super options.merge(:locale => locale) + # 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 { head :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 -private + def map_layout + append_content_security_policy_directives( + :child_src => %w[127.0.0.1:8111], + :connect_src => %w[nominatim.openstreetmap.org overpass-api.de router.project-osrm.org], + :form_action => %w[render.openstreetmap.org], + :script_src => %w[graphhopper.com open.mapquestapi.com], + :img_src => %w[developer.mapquest.com] + ) + + if STATUS == :database_offline || STATUS == :api_offline + flash.now[:warning] = t("layouts.osm_offline") + elsif STATUS == :database_readonly || STATUS == :api_readonly + flash.now[:warning] = t("layouts.osm_read_only") + end + + request.xhr? ? "xhr" : "map" + end + + def allow_thirdparty_images + append_content_security_policy_directives(:img_src => %w[*]) + end + + def preferred_editor + editor = if params[:editor] + params[:editor] + elsif current_user && current_user.preferred_editor + current_user.preferred_editor + else + DEFAULT_EDITOR + end + + editor + end + + helper_method :preferred_editor + + def update_totp + if defined?(TOTP_KEY) + cookies["_osm_totp_token"] = { + :value => ROTP::TOTP.new(TOTP_KEY, :interval => 3600).now, + :domain => "openstreetmap.org", + :expires => 1.hour.from_now + } + end + 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 - authdata = request.env['X-HTTP_AUTHORIZATION'].to_s.split - elsif request.env.has_key? 'REDIRECT_X_HTTP_AUTHORIZATION' # mod_fcgi - authdata = request.env['REDIRECT_X_HTTP_AUTHORIZATION'].to_s.split - elsif request.env.has_key? 'HTTP_AUTHORIZATION' # regular location - authdata = request.env['HTTP_AUTHORIZATION'].to_s.split - end + def get_auth_data + if request.env.key? "X-HTTP_AUTHORIZATION" # where mod_rewrite might have put it + authdata = request.env["X-HTTP_AUTHORIZATION"].to_s.split + elsif request.env.key? "REDIRECT_X_HTTP_AUTHORIZATION" # mod_fcgi + authdata = request.env["REDIRECT_X_HTTP_AUTHORIZATION"].to_s.split + elsif request.env.key? "HTTP_AUTHORIZATION" # regular location + authdata = request.env["HTTP_AUTHORIZATION"].to_s.split + end # only basic authentication supported - if authdata and authdata[0] == 'Basic' - user, pass = Base64.decode64(authdata[1]).split(':',2) - end - return [user, pass] - end + user, pass = Base64.decode64(authdata[1]).split(":", 2) if authdata && authdata[0] == "Basic" + [user, pass] + end + # override to stop oauth plugin sending errors + def invalid_oauth_response; end end