Adding first cut of Redactions support

[rails.git] / app / controllers / old_node_controller.rb

diff --git a/app/controllers/old_node_controller.rb b/app/controllers/old_node_controller.rb
index 5de39fdb60a1f5ddb45a125b36c4b83e1749518c..e6170fbda0258aad3c3f4b24bbc171693c58ed0f 100644 (file)
--- a/app/controllers/old_node_controller.rb
+++ b/app/controllers/old_node_controller.rb
@@ -1,36 +1,60 @@
 class OldNodeController < ApplicationController
   require 'xml/libxml'
 
-  session :off
+  skip_before_filter :verify_authenticity_token
+  before_filter :authorize, :only => [ :redact ]
+  before_filter :require_allow_write_api, :only => [ :redact ]
   before_filter :check_api_readable
+  before_filter :check_api_writable, :only => [ :redact ]
   after_filter :compress_output
   around_filter :api_call_handle_error, :api_call_timeout
 
   def history
-    node = Node.find(params[:id])
+    # TODO - maybe a bit heavyweight to do this on every
+    # call, perhaps try lazy auth.
+    setup_user_auth
+
+    node = Node.find(params[:id].to_i)
     
     doc = OSM::API.new.get_xml_doc
     
     node.old_nodes.each do |old_node|
-      doc.root << old_node.to_xml_node
+      unless old_node.redacted? and (@user.nil? or not @user.moderator?)
+        doc.root << old_node.to_xml_node
+      end
     end
     
     render :text => doc.to_s, :content_type => "text/xml"
   end
   
   def version
-    old_node = OldNode.find(:first, :conditions => {:id => params[:id], :version => params[:version]} )
-    if old_node.nil?
-      # (RecordNotFound is not raised with find :first...)
+    if old_node = OldNode.where(:node_id => params[:id], :version => params[:version]).first
+      # TODO - maybe a bit heavyweight to do this on every
+      # call, perhaps try lazy auth.
+      setup_user_auth
+      
+      if old_node.redacted? and (@user.nil? or not @user.moderator?)
+        render :nothing => true, :status => :forbidden
+      else
+
+        response.last_modified = old_node.timestamp
+        
+        doc = OSM::API.new.get_xml_doc
+        doc.root << old_node.to_xml_node
+        
+        render :text => doc.to_s, :content_type => "text/xml"
+      end
+    else
       render :nothing => true, :status => :not_found
-      return
     end
-    
-    response.headers['Last-Modified'] = old_node.timestamp.rfc822
-    
-    doc = OSM::API.new.get_xml_doc
-    doc.root << old_node.to_xml_node
+  end
 
-    render :text => doc.to_s, :content_type => "text/xml"
+  def redact
+    if @user && @user.moderator?
+      render :nothing => true
+
+    else
+      render :nothing => true, :status => :forbidden
+    end
   end
 end