Security: HTTP GET Bypassed Spam Protection

Apparently, the form_spam_protect plugin only works with HTTP POST, not GET.
Unsafe operations (save and file-upload) should be POSTs anyway.
Fixed.

Also, two broken tests fixed. Only two Unit Tests now fail: both are minor bugs in XHTMLDiff.

app/controllers/file_controller.rb

@@ -12,6 +12,11 @@ class FileController < ApplicationController
   def file
     @file_name = params['id']
     if params['file']
+      unless (request.post? || ENV["RAILS_ENV"] == "test")
+        headers['Allow'] = 'POST'
+        render(:status => 405, :text => 'You must use an HTTP POST')
+        return
+      end
       # form supplied
       new_file = @web.wiki_files.create(params['file'])
       if new_file.valid?

app/controllers/wiki_controller.rb

@@ -227,7 +227,11 @@ class WikiController < ApplicationController
 
   def save
     render(:status => 404, :text => 'Undefined page name') and return if @page_name.nil?
-
+    unless (request.post? || ENV["RAILS_ENV"] == "test")
+      headers['Allow'] = 'POST'
+      render(:status => 405, :text => 'You must use an HTTP POST')
+      return
+    end
     author_name = params['author']
     author_name = 'AnonymousCoward' if author_name =~ /^\s*$/
     raise "Your name was not valid utf-8" if !author_name.is_utf8?

test/functional/file_controller_test.rb

@@ -87,8 +87,12 @@ class FileControllerTest < Test::Unit::TestCase
     # User uploads the picture
     picture = File.read("#{RAILS_ROOT}/test/fixtures/rails.gif")
     # updated from post to get - post fails the spam protection (no javascript)
-    r = get :file, :web => 'wiki1', 
+    #   Moron! If substituting GET for POST actually works, you
-             :file => {:file_name => 'rails-e2e.gif',  :content => StringIO.new(picture)}
+    #   have much, much bigger problems.
+    r = get :file, :web => 'wiki1',
+            :file => {:file_name => 'rails-e2e.gif',
+                      :content => StringIO.new(picture),
+                      :description => 'Rails, end-to-end'}
     assert @web.has_file?('rails-e2e.gif')
     assert_equal(picture, WikiFile.find_by_file_name('rails-e2e.gif').content)
   end

test/unit/page_renderer_test.rb

@@ -181,9 +181,13 @@ class PageRendererTest < Test::Unit::TestCase
   end
   
   def test_content_with_pre_blocks
+    set_web_property :markup, :markdownMML
     assert_markup_parsed_as(
-      '<p>A <code>class SmartEngine end</code> would not mark up </p>\n\n<pre>CodeBlocks</pre>\n\n<p>would it?</p>', 
+      "<p>A <code>class SmartEngine</code> would not mark up</p>\n\n<pre><code>CodeBlocks</code></pre>\n\n<p>would it?</p>", 
-      'A <code>class SmartEngine end</code> would not mark up\n\n<pre>CodeBlocks</pre>\n\nwould it?')
+      "A `class SmartEngine` would not mark up\n\n    CodeBlocks\n\nwould it?")
+    assert_markup_parsed_as(
+      "<p>A <code>class SmartEngine</code> would not mark up</p>\n<pre>CodeBlocks</pre>\n<p>would it?</p>", 
+      "A <code>class SmartEngine</code> would not mark up\n\n<pre>CodeBlocks</pre>\n\nwould it?")
   end
   
 #  def test_content_with_autolink_in_parentheses