X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/41e45bad51c90dd4e131068ba1cfc1dd1184155f..6a4092bc1678bd6bf4cd96243466e69c3e3995bb:/app/controllers/application_controller.rb?ds=sidebyside diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index fec202ca5..227e5198f 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -1,70 +1,58 @@ class ApplicationController < ActionController::Base include SessionPersistence - protect_from_forgery + protect_from_forgery :with => :exception - before_filter :fetch_body + 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 def authorize_web if session[:user] - @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first + self.current_user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first - if @user.status == "suspended" + if current_user.status == "suspended" 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 !@user.terms_seen and flash[:skip_terms].nil? - flash[:notice] = t 'user.terms.you need to accept or decline' + # 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 "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] - if @user = User.authenticate(:token => session[:token]) - session[:user] = @user.id - end + 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}") + rescue StandardError => ex + logger.info("Exception authorizing user: #{ex}") reset_session - @user = nil + self.current_user = nil end def require_user - unless @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 - render :text => "", :status => :forbidden + head :forbidden end end end def require_oauth - @oauth = @user.access_token(OAUTH_KEY) if @user and 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) - report_error "OAuth token doesn't have that capability.", :forbidden - return false - end - end + @oauth = current_user.access_token(OAUTH_KEY) if current_user && defined? OAUTH_KEY end ## @@ -73,147 +61,102 @@ class ApplicationController < ActionController::Base if request.cookies["_osm_session"].to_s == "" if params[:cookie_test].nil? session[:cookie_test] = true - redirect_to params.merge(:cookie_test => "true") - return false + 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 - # 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 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) - 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 @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 + # 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 not Authenticator.new(self, [:token]).allow? + 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 # have we identified the user? - if @user + if current_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 + 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 and not @user.terms_seen and flash[:skip_terms].nil? + if !current_user.terms_seen && flash[:skip_terms].nil? set_locale - report_error t('application.setup_user_auth.need_to_see_terms'), :forbidden + 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") - # make the @user object from any auth sources we have + def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you") + # make the current_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 - return false - 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 + response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" + render :plain => errormessage, :status => :unauthorized return false - end - end + 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 api_status == :offline report_error "Database offline for maintenance", :service_unavailable - return false + false end end def check_api_writable unless api_status == :online report_error "Database offline for maintenance", :service_unavailable - return false + false end end @@ -222,7 +165,7 @@ class ApplicationController < ActionController::Base :offline elsif STATUS == :database_readonly :readonly - else + else :online end end @@ -236,107 +179,86 @@ class ApplicationController < ActionController::Base status = :readonly end end - return status + status end def gpx_status status = database_status - if status == :online - status = :offline if STATUS == :gpx_offline - end - return status + status = :offline if status == :online && STATUS == :gpx_offline + status end def require_public_data - unless @user.data_public? + unless current_user.data_public? report_error "You must make your edits public to upload new data", :forbidden - return false + 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 + # TODO: some sort of escaping of problem characters in the message + response.headers["Error"] = message - if request.headers['X-Error-Format'] and - request.headers['X-Error-Format'].downcase == "xml" + 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]}") result.root << (XML::Node.new("message") << message) - render :text => result.to_s, :content_type => "text/xml" + render :xml => result.to_s else - render :text => message, :status => status, :content_type => "text/plain" + render :plain => message, :status => status end end - - def set_locale - response.header['Vary'] = 'Accept-Language' - if @user && !@user.languages.empty? - http_accept_language.user_preferred_languages = @user.languages - response.header['Vary'] = '*' - end - - 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 + def preferred_languages(reset = false) + @preferred_languages = nil if reset + @preferred_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 - 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 ] + helper_method :preferred_languages - while pl.match(/^(.*)-[^-]+$/) - pls.push($1) if locales.include?($1) or locales.include?($1.to_sym) - pl = $1 - end - - pls - end.flatten + 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 - http_accept_language.compatible_language_from(locales) || I18n.default_locale - end + I18n.locale = Locale.available.preferred(preferred_languages(reset)) - helper_method :select_locale + 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 :text => "", :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 AbstractController::ActionNotFound => 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 ## @@ -344,13 +266,13 @@ 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 - OSM::Timer.timeout(API_TIMEOUT) do + OSM::Timer.timeout(API_TIMEOUT, Timeout::Error) do yield end rescue Timeout::Error @@ -360,17 +282,14 @@ class ApplicationController < ActionController::Base ## # wrap a web page in a timeout def web_timeout - OSM::Timer.timeout(WEB_TIMEOUT) do + OSM::Timer.timeout(WEB_TIMEOUT, Timeout::Error) do yield end rescue ActionView::Template::Error => ex - ex = ex.original_exception + ex = ex.cause - if ex.is_a?(ActiveRecord::StatementInvalid) and ex.message =~ /execution expired/ - ex = Timeout::Error.new - end - - if ex.is_a?(Timeout::Error) + if ex.is_a?(Timeout::Error) || + (ex.is_a?(ActiveRecord::StatementInvalid) && ex.message =~ /execution expired/) render :action => "timeout" else raise @@ -380,28 +299,20 @@ class ApplicationController < ActionController::Base end ## - # is the requestor logged in? - def logged_in? - !@user.nil? - end - - ## - # 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 + # ensure that there is a "user" instance variable + def lookup_user + render_unknown_user params[:display_name] unless @user = User.active.find_by(:display_name => params[:display_name]) end ## # 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.all { render :text => "", :status => :not_found } + format.html { render :template => "users/no_such_user", :status => :not_found } + format.all { head :not_found } end end @@ -418,54 +329,136 @@ class ApplicationController < ActionController::Base request.body.rewind end - def preferred_editor - editor = if params[:editor] - params[:editor] - elsif @user and @user.preferred_editor - @user.preferred_editor - else - DEFAULT_EDITOR - end + def map_layout + append_content_security_policy_directives( + :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, FOSSGIS_OSRM_URL, GRAPHHOPPER_URL], + :form_action => %w[render.openstreetmap.org], + :style_src => %w['unsafe-inline'] + ) - if request.env['HTTP_USER_AGENT'] =~ /MSIE/ and editor == 'id' - editor = 'potlatch2' + 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&.preferred_editor + current_user.preferred_editor + else + DEFAULT_EDITOR + end + editor end helper_method :preferred_editor -private + 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 - # 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 - # only basic authentication supported - if authdata and authdata[0] == 'Basic' - user, pass = Base64.decode64(authdata[1]).split(':',2) - end - return [user, pass] - end + def better_errors_allow_inline + yield + rescue StandardError + append_content_security_policy_directives( + :script_src => %w['unsafe-inline'], + :style_src => %w['unsafe-inline'] + ) - # used by oauth plugin to get the current user - def current_user - @user + raise end - # used by oauth plugin to set the current user - def current_user=(user) - @user=user + 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 - # override to stop oauth plugin sending errors - def invalid_oauth_response + 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 + 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 + 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