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 99e0b5675497a09224044bedfd6433c4b4200f26..e6170fbda0258aad3c3f4b24bbc171693c58ed0f 100644 (file)
--- a/app/controllers/old_node_controller.rb
+++ b/app/controllers/old_node_controller.rb
@@ -1,22 +1,60 @@
 class OldNodeController < ApplicationController
+  require 'xml/libxml'
 
-  def history
-    response.headers["Content-Type"] = 'application/xml'
-    node = Node.find(params[:id])
-
-    unless node
-      render :nothing => true, :staus => 404
-      return
-    end
+  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
 
-    doc = get_xml_doc
+  def history
+    # 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
+    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
 
-    render :text => doc.to_s
+        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
+    end
   end
 
+  def redact
+    if @user && @user.moderator?
+      render :nothing => true
 
+    else
+      render :nothing => true, :status => :forbidden
+    end
+  end
 end