X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/777b19c775ec0146664be9604ae6ae87d82bdb78..0ff89c31e4f8a0c3fc31772c4cf914c4fd7f5656:/app/controllers/site_controller.rb

diff --git a/app/controllers/site_controller.rb b/app/controllers/site_controller.rb
index 5d35b9979..00b3e78da 100644
--- a/app/controllers/site_controller.rb
+++ b/app/controllers/site_controller.rb
@@ -6,19 +6,18 @@ class SiteController < ApplicationController
   before_action :set_locale
   before_action :redirect_browse_params, :only => :index
   before_action :redirect_map_params, :only => [:index, :edit, :export]
-  before_action :require_user, :only => [:welcome]
   before_action :require_oauth, :only => [:index]
   before_action :update_totp, :only => [:index]
 
+  authorize_resource :class => false
+
   def index
-    unless STATUS == :database_readonly || STATUS == :database_offline
-      session[:location] ||= OSM.ip_location(request.env["REMOTE_ADDR"])
-    end
+    session[:location] ||= OSM.ip_location(request.env["REMOTE_ADDR"]) unless Settings.status == "database_readonly" || Settings.status == "database_offline"
   end
 
   def permalink
     lon, lat, zoom = ShortLink.decode(params[:code])
-    new_params = params.except(:code, :lon, :lat, :zoom, :layers, :node, :way, :relation, :changeset)
+    new_params = params.except(:host, :controller, :action, :code, :lon, :lat, :zoom, :layers, :node, :way, :relation, :changeset)
 
     if new_params.key? :m
       new_params.delete :m
@@ -26,31 +25,24 @@ class SiteController < ApplicationController
       new_params[:mlon] = lon
     end
 
-    if params.key? :node
-      new_params[:controller] = "browse"
-      new_params[:action] = "node"
-      new_params[:id] = params[:node]
-    elsif params.key? :way
-      new_params[:controller] = "browse"
-      new_params[:action] = "way"
-      new_params[:id] = params[:way]
-    elsif params.key? :relation
-      new_params[:controller] = "browse"
-      new_params[:action] = "relation"
-      new_params[:id] = params[:relation]
-    elsif params.key? :changeset
-      new_params[:controller] = "browse"
-      new_params[:action] = "changeset"
-      new_params[:id] = params[:changeset]
-    else
-      new_params[:controller] = "site"
-      new_params[:action] = "index"
-    end
-
     new_params[:anchor] = "map=#{zoom}/#{lat}/#{lon}"
     new_params[:anchor] += "&layers=#{params[:layers]}" if params.key? :layers
 
-    redirect_to Hash[new_params]
+    options = new_params.to_unsafe_h.to_options
+
+    path = if params.key? :node
+             node_path(params[:node], options)
+           elsif params.key? :way
+             way_path(params[:way], options)
+           elsif params.key? :relation
+             relation_path(params[:relation], options)
+           elsif params.key? :changeset
+             changeset_path(params[:changeset], options)
+           else
+             root_url(options)
+           end
+
+    redirect_to path
   end
 
   def key
@@ -69,26 +61,36 @@ class SiteController < ApplicationController
       require_user
     end
 
-    if params[:node]
-      bbox = Node.find(params[:node]).bbox.to_unscaled
-      @lat = bbox.centre_lat
-      @lon = bbox.centre_lon
-      @zoom = 18
-    elsif params[:way]
-      bbox = Way.find(params[:way]).bbox.to_unscaled
-      @lat = bbox.centre_lat
-      @lon = bbox.centre_lon
-      @zoom = 17
-    elsif params[:note]
-      note = Note.find(params[:note])
-      @lat = note.lat
-      @lon = note.lon
-      @zoom = 17
-    elsif params[:gpx]
-      trace = Trace.visible_to(@user).find(params[:gpx])
-      @lat = trace.latitude
-      @lon = trace.longitude
-      @zoom = 16
+    if %w[id].include?(editor)
+      append_content_security_policy_directives(
+        :frame_src => %w[blob:]
+      )
+    end
+
+    begin
+      if params[:node]
+        bbox = Node.visible.find(params[:node]).bbox.to_unscaled
+        @lat = bbox.centre_lat
+        @lon = bbox.centre_lon
+        @zoom = 18
+      elsif params[:way]
+        bbox = Way.visible.find(params[:way]).bbox.to_unscaled
+        @lat = bbox.centre_lat
+        @lon = bbox.centre_lon
+        @zoom = 17
+      elsif params[:note]
+        note = Note.visible.find(params[:note])
+        @lat = note.lat
+        @lon = note.lon
+        @zoom = 17
+      elsif params[:gpx] && current_user
+        trace = Trace.visible_to(current_user).find(params[:gpx])
+        @lat = trace.latitude
+        @lon = trace.longitude
+        @zoom = 16
+      end
+    rescue ActiveRecord::RecordNotFound
+      # don't try and derive a location from a missing/deleted object
     end
   end
 
@@ -100,18 +102,27 @@ class SiteController < ApplicationController
 
   def help; end
 
-  def about; end
+  def about
+    @locale = params[:about_locale] || I18n.locale
+  end
 
   def export; end
 
   def offline; end
 
   def preview
-    render :text => RichText.new(params[:format], params[:text]).to_html
+    render :html => RichText.new(params[:type], params[:text]).to_html
   end
 
   def id
-    render "id", :layout => false
+    append_content_security_policy_directives(
+      :connect_src => %w[*],
+      :img_src => %w[* blob:],
+      :script_src => %w[dev.virtualearth.net 'unsafe-eval'],
+      :style_src => %w['unsafe-inline']
+    )
+
+    render :layout => false
   end
 
   private
@@ -133,9 +144,7 @@ class SiteController < ApplicationController
   def redirect_map_params
     anchor = []
 
-    if params[:lat] && params[:lon]
-      anchor << "map=#{params.delete(:zoom) || 5}/#{params.delete(:lat)}/#{params.delete(:lon)}"
-    end
+    anchor << "map=#{params.delete(:zoom) || 5}/#{params.delete(:lat)}/#{params.delete(:lon)}" if params[:lat] && params[:lon]
 
     if params[:layers]
       anchor << "layers=#{params.delete(:layers)}"
@@ -143,8 +152,6 @@ class SiteController < ApplicationController
       anchor << "layers=N"
     end
 
-    if anchor.present?
-      redirect_to Hash[params].merge(:anchor => anchor.join("&"))
-    end
+    redirect_to params.to_unsafe_h.merge(:only_path => true, :anchor => anchor.join("&")) if anchor.present?
   end
 end