1 class ApplicationController < ActionController::Base
2 include SessionPersistence
4 protect_from_forgery :with => :exception
6 add_flash_types :warning, :error
8 rescue_from CanCan::AccessDenied, :with => :deny_access
11 before_action :fetch_body
12 around_action :better_errors_allow_inline, :if => proc { Rails.env.development? }
14 attr_accessor :current_user
16 helper_method :current_user
17 helper_method :preferred_langauges
23 self.current_user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
25 if current_user.status == "suspended"
27 session_expires_automatically
29 redirect_to :controller => "users", :action => "suspended"
31 # don't allow access to any auth-requiring part of the site unless
32 # the new CTs have been seen (and accept/decline chosen).
33 elsif !current_user.terms_seen && flash[:skip_terms].nil?
34 flash[:notice] = t "users.terms.you need to accept or decline"
36 redirect_to :controller => "users", :action => "terms", :referer => params[:referer]
38 redirect_to :controller => "users", :action => "terms", :referer => request.fullpath
42 session[:user] = current_user.id if self.current_user = User.authenticate(:token => session[:token])
44 rescue StandardError => e
45 logger.info("Exception authorizing user: #{e}")
47 self.current_user = nil
53 redirect_to :controller => "users", :action => "login", :referer => request.fullpath
61 @oauth = current_user.access_token(Settings.oauth_key) if current_user && Settings.key?(:oauth_key)
65 # require the user to have cookies enabled in their browser
67 if request.cookies["_osm_session"].to_s == ""
68 if params[:cookie_test].nil?
69 session[:cookie_test] = true
70 redirect_to params.to_unsafe_h.merge(:only_path => true, :cookie_test => "true")
73 flash.now[:warning] = t "application.require_cookies.cookies_needed"
76 session.delete(:cookie_test)
80 def check_database_readable(need_api = false)
81 if Settings.status == "database_offline" || (need_api && Settings.status == "api_offline")
83 report_error "Database offline for maintenance", :service_unavailable
85 redirect_to :controller => "site", :action => "offline"
90 def check_database_writable(need_api = false)
91 if Settings.status == "database_offline" || Settings.status == "database_readonly" ||
92 (need_api && (Settings.status == "api_offline" || Settings.status == "api_readonly"))
94 report_error "Database offline for maintenance", :service_unavailable
96 redirect_to :controller => "site", :action => "offline"
101 def check_api_readable
102 if api_status == "offline"
103 report_error "Database offline for maintenance", :service_unavailable
108 def check_api_writable
109 unless api_status == "online"
110 report_error "Database offline for maintenance", :service_unavailable
116 if Settings.status == "database_offline"
118 elsif Settings.status == "database_readonly"
126 status = database_status
127 if status == "online"
128 if Settings.status == "api_offline"
130 elsif Settings.status == "api_readonly"
137 def require_public_data
138 unless current_user.data_public?
139 report_error "You must make your edits public to upload new data", :forbidden
144 # Report and error to the user
145 # (If anyone ever fixes Rails so it can set a http status "reason phrase",
146 # rather than only a status code and having the web engine make up a
147 # phrase from that, we can also put the error message into the status
148 # message. For now, rails won't let us)
149 def report_error(message, status = :bad_request)
150 # TODO: some sort of escaping of problem characters in the message
151 response.headers["Error"] = message
153 if request.headers["X-Error-Format"]&.casecmp("xml")&.zero?
154 result = OSM::API.new.get_xml_doc
155 result.root.name = "osmError"
156 result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}")
157 result.root << (XML::Node.new("message") << message)
159 render :xml => result.to_s
161 render :plain => message, :status => status
165 def preferred_languages(reset = false)
166 @preferred_languages = nil if reset
167 @preferred_languages ||= if params[:locale]
168 Locale.list(params[:locale])
170 current_user.preferred_languages
172 Locale.list(http_accept_language.user_preferred_languages)
176 helper_method :preferred_languages
178 def set_locale(reset = false)
179 if current_user&.languages&.empty? && !http_accept_language.user_preferred_languages.empty?
180 current_user.languages = http_accept_language.user_preferred_languages
184 I18n.locale = Locale.available.preferred(preferred_languages(reset))
186 response.headers["Vary"] = "Accept-Language"
187 response.headers["Content-Language"] = I18n.locale.to_s
190 def api_call_handle_error
192 rescue ActionController::UnknownFormat
194 rescue ActiveRecord::RecordNotFound => e
196 rescue LibXML::XML::Error, ArgumentError => e
197 report_error e.message, :bad_request
198 rescue ActiveRecord::RecordInvalid => e
199 message = "#{e.record.class} #{e.record.id}: "
200 e.record.errors.each { |attr, msg| message << "#{attr}: #{msg} (#{e.record[attr].inspect})" }
201 report_error message, :bad_request
202 rescue OSM::APIError => e
203 report_error e.message, e.status
204 rescue AbstractController::ActionNotFound => e
206 rescue StandardError => e
207 logger.info("API threw unexpected #{e.class} exception: #{e.message}")
208 e.backtrace.each { |l| logger.info(l) }
209 report_error "#{e.class}: #{e.message}", :internal_server_error
213 # asserts that the request method is the +method+ given as a parameter
214 # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get.
215 def assert_method(method)
216 ok = request.send((method.to_s.downcase + "?").to_sym)
217 raise OSM::APIBadMethodError, method unless ok
221 # wrap an api call in a timeout
223 OSM::Timer.timeout(Settings.api_timeout, Timeout::Error) do
226 rescue Timeout::Error
227 raise OSM::APITimeoutError
231 # wrap a web page in a timeout
233 OSM::Timer.timeout(Settings.web_timeout, Timeout::Error) do
236 rescue ActionView::Template::Error => e
239 if e.is_a?(Timeout::Error) ||
240 (e.is_a?(ActiveRecord::StatementInvalid) && e.message.include?("execution expired"))
241 render :action => "timeout"
245 rescue Timeout::Error
246 render :action => "timeout"
250 # ensure that there is a "user" instance variable
252 render_unknown_user params[:display_name] unless @user = User.active.find_by(:display_name => params[:display_name])
256 # render a "no such user" page
257 def render_unknown_user(name)
258 @title = t "users.no_such_user.title"
259 @not_found_user = name
261 respond_to do |format|
262 format.html { render :template => "users/no_such_user", :status => :not_found }
263 format.all { head :not_found }
268 # Unfortunately if a PUT or POST request that has a body fails to
269 # read it then Apache will sometimes fail to return the response it
270 # is given to the client properly, instead erroring:
272 # https://issues.apache.org/bugzilla/show_bug.cgi?id=44782
274 # To work round this we call rewind on the body here, which is added
275 # as a filter, to force it to be fetched from Apache into a file.
281 append_content_security_policy_directives(
282 :child_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112],
283 :frame_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112],
284 :connect_src => [Settings.nominatim_url, Settings.overpass_url, Settings.fossgis_osrm_url, Settings.graphhopper_url],
285 :form_action => %w[render.openstreetmap.org],
286 :style_src => %w['unsafe-inline']
289 if Settings.status == "database_offline" || Settings.status == "api_offline"
290 flash.now[:warning] = t("layouts.osm_offline")
291 elsif Settings.status == "database_readonly" || Settings.status == "api_readonly"
292 flash.now[:warning] = t("layouts.osm_read_only")
295 request.xhr? ? "xhr" : "map"
298 def allow_thirdparty_images
299 append_content_security_policy_directives(:img_src => %w[*])
303 editor = if params[:editor]
305 elsif current_user&.preferred_editor
306 current_user.preferred_editor
308 Settings.default_editor
314 helper_method :preferred_editor
317 if Settings.key?(:totp_key)
318 cookies["_osm_totp_token"] = {
319 :value => ROTP::TOTP.new(Settings.totp_key, :interval => 3600).now,
320 :domain => "openstreetmap.org",
321 :expires => 1.hour.from_now
326 def better_errors_allow_inline
329 append_content_security_policy_directives(
330 :script_src => %w['unsafe-inline'],
331 :style_src => %w['unsafe-inline']
338 Ability.new(current_user)
341 def deny_access(_exception)
344 report_error t("oauth.permissions.missing"), :forbidden
347 respond_to do |format|
348 format.html { redirect_to :controller => "errors", :action => "forbidden" }
349 format.any { report_error t("application.permission_denied"), :forbidden }
352 respond_to do |format|
353 format.html { redirect_to :controller => "users", :action => "login", :referer => request.fullpath }
354 format.any { head :forbidden }
361 # extract authorisation credentials from headers, returns user = nil if none
363 if request.env.key? "X-HTTP_AUTHORIZATION" # where mod_rewrite might have put it
364 authdata = request.env["X-HTTP_AUTHORIZATION"].to_s.split
365 elsif request.env.key? "REDIRECT_X_HTTP_AUTHORIZATION" # mod_fcgi
366 authdata = request.env["REDIRECT_X_HTTP_AUTHORIZATION"].to_s.split
367 elsif request.env.key? "HTTP_AUTHORIZATION" # regular location
368 authdata = request.env["HTTP_AUTHORIZATION"].to_s.split
370 # only basic authentication supported
371 user, pass = Base64.decode64(authdata[1]).split(":", 2) if authdata && authdata[0] == "Basic"
375 # override to stop oauth plugin sending errors
376 def invalid_oauth_response; end
378 # clean any referer parameter
379 def safe_referer(referer)
380 referer = URI.parse(referer)
382 if referer.scheme == "http" || referer.scheme == "https"
386 elsif referer.scheme || referer.host || referer.port