X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/8bd001f1282b7a33a71c0565504e160dbe567d5d..a7628a942bf953ef338f9b8911f8174c3740945b:/app/controllers/application_controller.rb diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index 9951d29ae..bc1fd488d 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -3,7 +3,11 @@ class ApplicationController < ActionController::Base protect_from_forgery :with => :exception + rescue_from CanCan::AccessDenied, :with => :deny_access + check_authorization + before_action :fetch_body + around_action :better_errors_allow_inline, :if => proc { Rails.env.development? } attr_accessor :current_user helper_method :current_user @@ -16,16 +20,16 @@ class ApplicationController < ActionController::Base session.delete(:user) session_expires_automatically - redirect_to :controller => "user", :action => "suspended" + redirect_to :controller => "users", :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" + flash[:notice] = t "users.terms.you need to accept or decline" if params[:referer] - redirect_to :controller => "user", :action => "terms", :referer => params[:referer] + redirect_to :controller => "users", :action => "terms", :referer => params[:referer] else - redirect_to :controller => "user", :action => "terms", :referer => request.fullpath + redirect_to :controller => "users", :action => "terms", :referer => request.fullpath end end elsif session[:token] @@ -40,7 +44,7 @@ class ApplicationController < ActionController::Base def require_user unless current_user if request.get? - redirect_to :controller => "user", :action => "login", :referer => request.fullpath + redirect_to :controller => "users", :action => "login", :referer => request.fullpath else head :forbidden end @@ -51,24 +55,6 @@ class ApplicationController < ActionController::Base @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 - # 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. - 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) - set_locale - report_error t("oauth.permissions.missing"), :forbidden - false - end - end - end - ## # require the user to have cookies enabled in their browser def require_cookies @@ -85,54 +71,6 @@ class ApplicationController < ActionController::Base 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) - 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 - - ## - # 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 @@ -187,22 +125,6 @@ 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 current_user.moderator? - render :plain => errormessage, :status => :forbidden - false - end - end - def check_database_readable(need_api = false) if STATUS == :database_offline || (need_api && STATUS == :api_offline) if request.xhr? @@ -282,8 +204,7 @@ class ApplicationController < ActionController::Base # 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? + if 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]}") @@ -295,7 +216,8 @@ class ApplicationController < ActionController::Base end end - def preferred_languages + def preferred_languages(reset = false) + @preferred_languages = nil if reset @preferred_languages ||= if params[:locale] Locale.list(params[:locale]) elsif current_user @@ -307,13 +229,13 @@ class ApplicationController < ActionController::Base helper_method :preferred_languages - def set_locale - if current_user && current_user.languages.empty? && !http_accept_language.user_preferred_languages.empty? + def set_locale(reset = false) + if 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 = Locale.available.preferred(preferred_languages) + I18n.locale = Locale.available.preferred(preferred_languages(reset)) response.headers["Vary"] = "Accept-Language" response.headers["Content-Language"] = I18n.locale.to_s @@ -385,11 +307,11 @@ class ApplicationController < ActionController::Base ## # render a "no such user" page def render_unknown_user(name) - @title = t "user.no_such_user.title" + @title = t "users.no_such_user.title" @not_found_user = name respond_to do |format| - format.html { render :template => "user/no_such_user", :status => :not_found } + format.html { render :template => "users/no_such_user", :status => :not_found } format.all { head :not_found } end end @@ -409,10 +331,12 @@ class ApplicationController < ActionController::Base 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], + :child_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112], + :frame_src => %w[http://127.0.0.1:8111 https://127.0.0.1:8112], + :connect_src => [NOMINATIM_URL, OVERPASS_URL, OSRM_URL, GRAPHHOPPER_URL], :form_action => %w[render.openstreetmap.org], - :script_src => %w[graphhopper.com open.mapquestapi.com], + :style_src => %w['unsafe-inline'], + :script_src => [MAPQUEST_DIRECTIONS_URL], :img_src => %w[developer.mapquest.com] ) @@ -432,7 +356,7 @@ class ApplicationController < ActionController::Base def preferred_editor editor = if params[:editor] params[:editor] - elsif current_user && current_user.preferred_editor + elsif current_user&.preferred_editor current_user.preferred_editor else DEFAULT_EDITOR @@ -453,6 +377,74 @@ class ApplicationController < ActionController::Base end end + def better_errors_allow_inline + yield + rescue StandardError + append_content_security_policy_directives( + :script_src => %w['unsafe-inline'], + :style_src => %w['unsafe-inline'] + ) + + raise + end + + def current_ability + # Use capabilities from the oauth token if it exists and is a valid access token + if Authenticator.new(self, [:token]).allow? + Ability.new(nil).merge(Capability.new(current_token)) + else + Ability.new(current_user) + end + end + + def deny_access(exception) + if @api_deny_access_handling + api_deny_access(exception) + else + web_deny_access(exception) + end + end + + def web_deny_access(_exception) + if current_token + set_locale + report_error t("oauth.permissions.missing"), :forbidden + elsif current_user + set_locale + respond_to do |format| + format.html { redirect_to :controller => "errors", :action => "forbidden" } + format.any { report_error t("application.permission_denied"), :forbidden } + end + elsif request.get? + respond_to do |format| + format.html { redirect_to :controller => "users", :action => "login", :referer => request.fullpath } + format.any { head :forbidden } + end + else + head :forbidden + end + end + + def api_deny_access(_exception) + if current_token + set_locale + report_error t("oauth.permissions.missing"), :forbidden + elsif current_user + head :forbidden + else + realm = "Web Password" + errormessage = "Couldn't authenticate you" + response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" + render :plain => errormessage, :status => :unauthorized + end + end + + attr_accessor :api_access_handling + + def api_deny_access_handler + @api_deny_access_handling = true + end + private # extract authorisation credentials from headers, returns user = nil if none