Fix #484

lib/gollum/frontend/app.rb

@@ -90,7 +90,9 @@ module Precious
       redirect File.join(settings.wiki_options[:base_path].to_s, 'Home')
     end
 
+    # Removes all slashes from the start of string.
     def clean_url url
+      return url if url.nil?
       url.gsub('%2F','/').gsub(/^\/+/,'')
     end
 
@@ -146,7 +148,7 @@ module Precious
     end
 
     post '/edit/*' do
-      path      = sanitize_empty_params(params[:path])
+      path      = '/' + clean_url(sanitize_empty_params(params[:path])).to_s
       page_name = CGI.unescape(params[:page])
       wiki      = wiki_new
       page      = wiki.paged(page_name, path, exact = true)

test/test_app.rb

@@ -50,6 +50,14 @@ context "Frontend" do
     assert_not_equal page_1.version.sha, page_2.version.sha
   end
 
+  test "edit page with slash" do
+    page_1 = @wiki.page('A')
+    post "/edit/A", :content => 'abc', :page => 'A', :path => '/////',
+      :format => page_1.format, :message => 'def'
+    follow_redirect!
+    assert last_response.ok?
+  end
+
   test "edits page header footer and sidebar" do
     commits = @wiki.repo.commits('master').size
     page_1  = @wiki.page('A')