1 class ApplicationController < ActionController::Base
4 include SessionPersistence
6 protect_from_forgery :with => :exception
8 add_flash_types :warning, :error
10 rescue_from CanCan::AccessDenied, :with => :deny_access
13 rescue_from RailsParam::InvalidParameterError, :with => :invalid_parameter
15 after_action :close_body
17 attr_accessor :current_user, :oauth_token
19 helper_method :current_user
20 helper_method :oauth_token
22 def self.allow_thirdparty_images(**options)
23 content_security_policy(**options) do |policy|
24 policy.img_src("*", :data)
28 def self.allow_social_login(**options)
29 content_security_policy(options) do |policy|
30 policy.form_action(*policy.form_action, "accounts.google.com", "*.facebook.com", "login.microsoftonline.com", "github.com", "meta.wikimedia.org")
34 def self.allow_all_form_action(**options)
35 content_security_policy(options) do |policy|
36 policy.form_action(nil)
42 def authorize_web(skip_terms: false)
44 self.current_user = User.find_by(:id => session[:user], :status => %w[active confirmed suspended])
46 if session[:fingerprint] &&
47 session[:fingerprint] != current_user.fingerprint
49 self.current_user = nil
50 elsif current_user.status == "suspended"
52 session_expires_automatically
54 redirect_to :controller => "users", :action => "suspended"
56 # don't allow access to any auth-requiring part of the site unless
57 # the new CTs have been seen (and accept/decline chosen).
58 elsif !current_user.terms_seen && !skip_terms
59 flash[:notice] = t "accounts.terms.show.you need to accept or decline"
61 redirect_to account_terms_path(:referer => params[:referer])
63 redirect_to account_terms_path(:referer => request.fullpath)
68 session[:fingerprint] = current_user.fingerprint if current_user && session[:fingerprint].nil?
69 rescue StandardError => e
70 logger.info("Exception authorizing user: #{e}")
72 self.current_user = nil
78 redirect_to login_path(:referer => request.fullpath)
86 @oauth_token = current_user.oauth_token(Settings.oauth_application) if current_user && Settings.key?(:oauth_application)
90 # require the user to have cookies enabled in their browser
92 if request.cookies["_osm_session"].to_s == ""
93 if params[:cookie_test].nil?
94 session[:cookie_test] = true
95 redirect_to params.to_unsafe_h.merge(:only_path => true, :cookie_test => "true")
98 flash.now[:warning] = t "application.require_cookies.cookies_needed"
101 session.delete(:cookie_test)
105 def check_database_readable(need_api: false)
106 if Settings.status == "database_offline" || (need_api && Settings.status == "api_offline")
108 report_error "Database offline for maintenance", :service_unavailable
110 redirect_to :controller => "site", :action => "offline"
115 def check_database_writable(need_api: false)
116 if Settings.status == "database_offline" || Settings.status == "database_readonly" ||
117 (need_api && %w[api_offline api_readonly].include?(Settings.status))
119 report_error "Database offline for maintenance", :service_unavailable
121 redirect_to :controller => "site", :action => "offline"
126 def check_api_readable
127 report_error "Database offline for maintenance", :service_unavailable if api_status == "offline"
130 def check_api_writable
131 report_error "Database offline for maintenance", :service_unavailable unless api_status == "online"
136 when "database_offline"
138 when "database_readonly"
146 status = database_status
147 if status == "online"
158 def require_public_data
159 report_error "You must make your edits public to upload new data", :forbidden unless current_user.data_public?
162 # Report and error to the user
163 # (If anyone ever fixes Rails so it can set a http status "reason phrase",
164 # rather than only a status code and having the web engine make up a
165 # phrase from that, we can also put the error message into the status
166 # message. For now, rails won't let us)
167 def report_error(message, status = :bad_request)
168 # TODO: some sort of escaping of problem characters in the message
169 response.headers["Error"] = message
171 if request.headers["X-Error-Format"]&.casecmp?("xml")
172 result = OSM::API.new.xml_doc
173 result.root.name = "osmError"
174 result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}")
175 result.root << (XML::Node.new("message") << message)
177 render :xml => result.to_s
179 render :plain => message, :status => status
183 def preferred_languages
184 @preferred_languages ||= if params[:locale]
185 Locale.list(params[:locale])
187 current_user.preferred_languages
188 elsif request.cookies["_osm_locale"]
189 Locale.list(request.cookies["_osm_locale"])
191 Locale.list(http_accept_language.user_preferred_languages)
195 helper_method :preferred_languages
198 if current_user&.languages&.empty? && !http_accept_language.user_preferred_languages.empty?
199 current_user.languages = http_accept_language.user_preferred_languages
203 I18n.locale = Locale.available.preferred(preferred_languages)
205 response.headers["Vary"] = "Accept-Language"
206 response.headers["Content-Language"] = I18n.locale.to_s
210 # wrap a web page in a timeout
212 raise Timeout::Error if Settings.web_timeout.negative?
214 Timeout.timeout(Settings.web_timeout, &)
215 rescue ActionView::Template::Error => e
218 if e.is_a?(Timeout::Error) ||
219 (e.is_a?(ActiveRecord::StatementInvalid) && e.message.include?("execution expired"))
224 rescue Timeout::Error
228 def respond_to_timeout
229 ActiveRecord::Base.connection.raw_connection.cancel
230 render :action => "timeout", :status => :gateway_timeout
234 # Unfortunately if a PUT or POST request that has a body fails to
235 # read it then Apache will sometimes fail to return the response it
236 # is given to the client properly, instead erroring:
238 # https://issues.apache.org/bugzilla/show_bug.cgi?id=44782
240 # To work round this we call close on the body here, which is added
241 # as a filter, to let Apache know we are done with it.
247 policy = request.content_security_policy.clone
249 policy.connect_src(*policy.connect_src, "http://127.0.0.1:8111", Settings.nominatim_url, Settings.overpass_url, Settings.fossgis_osrm_url, Settings.graphhopper_url, Settings.fossgis_valhalla_url)
250 policy.form_action(*policy.form_action, "render.openstreetmap.org")
251 policy.style_src(*policy.style_src, :unsafe_inline)
253 request.content_security_policy = policy
255 flash.now[:warning] = { :partial => "layouts/offline_flash" } unless api_status == "online"
257 request.xhr? ? "xhr" : "map"
263 elsif current_user&.preferred_editor
264 current_user.preferred_editor
266 Settings.default_editor
270 def preferred_color_scheme(subject)
272 current_user.preferences.find_by(:k => "#{subject}.color_scheme")&.v || "auto"
278 helper_method :preferred_editor, :preferred_color_scheme
281 if Settings.key?(:totp_key)
282 cookies["_osm_totp_token"] = {
283 :value => ROTP::TOTP.new(Settings.totp_key, :interval => 3600).now,
284 :domain => "openstreetmap.org",
285 :expires => 1.hour.from_now
291 Ability.new(current_user)
294 def deny_access(_exception)
297 respond_to do |format|
298 format.html { redirect_to :controller => "/errors", :action => "forbidden" }
299 format.any { report_error t("application.permission_denied"), :forbidden }
302 respond_to do |format|
303 format.html { redirect_to login_path(:referer => request.fullpath) }
304 format.any { head :forbidden }
311 def invalid_parameter(_exception)
313 respond_to do |format|
314 format.html { redirect_to :controller => "/errors", :action => "bad_request" }
315 format.any { head :bad_request }
322 # clean any referer parameter
323 def safe_referer(referer)
325 referer = URI.parse(referer)
327 if %w[http https].include?(referer.scheme)
331 elsif referer.scheme || referer.host || referer.port
335 referer = nil if referer&.path&.first != "/"
336 rescue URI::InvalidURIError