class ApplicationController < ActionController::Base
include SessionPersistence
- protect_from_forgery
+ protect_from_forgery :with => :exception
+
+ rescue_from CanCan::AccessDenied, :with => :deny_access
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 && flash[:skip_terms].nil?
- flash[:notice] = t "user.terms.you need to accept or decline"
+ 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 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 && defined? OAUTH_KEY
+ @oauth = current_user.access_token(OAUTH_KEY) if current_user && defined? OAUTH_KEY
end
##
# 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
+ set_locale
+ report_error t("oauth.permissions.missing"), :forbidden
false
end
end
if request.cookies["_osm_session"].to_s == ""
if params[:cookie_test].nil?
session[:cookie_test] = true
- redirect_to Hash[params].merge(:cookie_test => "true")
+ redirect_to params.to_unsafe_h.merge(:cookie_test => "true")
false
else
flash.now[:warning] = t "application.require_cookies.cookies_needed"
def require_allow_write_api
require_capability(:allow_write_api)
- if REQUIRE_TERMS_AGREED && @user.terms_agreed.nil?
+ 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
# 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?
+ unless current_user.moderator?
if request.get?
flash[:error] = t("application.require_moderator.not_a_moderator")
redirect_to :action => "index"
else
- render :text => "", :status => :forbidden
+ head :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
unless Authenticator.new(self, [:token]).allow?
username, passwd = get_auth_data # parse from headers
# authenticate per-scheme
- @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
+ 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
- user_block = @user.blocks.active.take
- unless user_block.nil?
+ 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
+ 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
# 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 && !@user.terms_seen && flash[:skip_terms].nil?
+ 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
def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")
- # make the @user object from any auth sources we have
+ # 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
+ render :plain => errormessage, :status => :unauthorized
return false
end
end
# 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
+ unless current_user.moderator?
+ render :plain => errormessage, :status => :forbidden
false
end
end
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
false
end
# 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]}")
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 preferred_languages
- @languages ||= if params[:locale]
- Locale.list(params[:locale])
- elsif @user
- @user.preferred_languages
- else
- Locale.list(http_accept_language.user_preferred_languages)
- end
+ 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
helper_method :preferred_languages
- def set_locale
- if @user && @user.languages.empty? && !http_accept_language.user_preferred_languages.empty?
- @user.languages = http_accept_language.user_preferred_languages
- @user.save
+ 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
def api_call_handle_error
yield
rescue ActiveRecord::RecordNotFound => ex
- render :text => "", :status => :not_found
+ head :not_found
rescue LibXML::XML::Error, ArgumentError => ex
report_error ex.message, :bad_request
rescue ActiveRecord::RecordInvalid => ex
# 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
##
yield
end
rescue ActionView::Template::Error => ex
- ex = ex.original_exception
+ ex = ex.cause
- if ex.is_a?(ActiveRecord::StatementInvalid) && ex.message =~ /execution expired/
+ if ex.is_a?(Timeout::Error) ||
+ (ex.is_a?(ActiveRecord::StatementInvalid) && ex.message =~ /execution expired/)
render :action => "timeout"
else
raise
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
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, OSRM_URL, GRAPHHOPPER_URL],
+ :form_action => %w[render.openstreetmap.org],
+ :script_src => [MAPQUEST_DIRECTIONS_URL],
+ :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 @user && @user.preferred_editor
- @user.preferred_editor
+ elsif current_user&.preferred_editor
+ current_user.preferred_editor
else
DEFAULT_EDITOR
end
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
+ # Add in capabilities from the oauth token if it exists and is a valid access token
+ if Authenticator.new(self, [:token]).allow?
+ Ability.new(current_user).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
authdata = request.env["HTTP_AUTHORIZATION"].to_s.split
end
# only basic authentication supported
- if authdata && authdata[0] == "Basic"
- user, pass = Base64.decode64(authdata[1]).split(":", 2)
- end
+ user, pass = Base64.decode64(authdata[1]).split(":", 2) if authdata && authdata[0] == "Basic"
[user, pass]
end
- # used by oauth plugin to get the current user
- def current_user
- @user
- end
-
- # used by oauth plugin to set the current user
- def current_user=(user)
- @user = user
- end
-
# override to stop oauth plugin sending errors
def invalid_oauth_response; end
end