X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/a50ad1c895f2d7ed3dfa4d40f3748ae6fb801256..a7628a942bf953ef338f9b8911f8174c3740945b:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 690bdf5ca..bc1fd488d 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -4,6 +4,7 @@ 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? }
@@ -24,7 +25,7 @@ class ApplicationController < ActionController::Base
       # 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 => "users", :action => "terms", :referer => params[:referer]
         else
@@ -54,24 +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
@@ -88,54 +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
@@ -190,22 +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?
@@ -414,9 +333,10 @@ class ApplicationController < ActionController::Base
     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 => %w[nominatim.openstreetmap.org overpass-api.de router.project-osrm.org graphhopper.com],
+      :connect_src => [NOMINATIM_URL, OVERPASS_URL, OSRM_URL, GRAPHHOPPER_URL],
       :form_action => %w[render.openstreetmap.org],
-      :script_src => %w[open.mapquestapi.com],
+      :style_src => %w['unsafe-inline'],
+      :script_src => [MAPQUEST_DIRECTIONS_URL],
       :img_src => %w[developer.mapquest.com]
     )
 
@@ -469,27 +389,62 @@ class ApplicationController < ActionController::Base
   end
 
   def current_ability
-    Ability.new(current_user).merge(granted_capability)
+    # 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 granted_capability
-    Capability.new(current_user, current_token)
+  def deny_access(exception)
+    if @api_deny_access_handling
+      api_deny_access(exception)
+    else
+      web_deny_access(exception)
+    end
   end
 
-  def deny_access(_exception)
+  def web_deny_access(_exception)
     if current_token
       set_locale
       report_error t("oauth.permissions.missing"), :forbidden
     elsif current_user
       set_locale
-      report_error t("application.permission_denied"), :forbidden
+      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?
-      redirect_to :controller => "users", :action => "login", :referer => request.fullpath
+      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