From 0f6fd7584b11d1f098f5b945c30651d1b078c1de Mon Sep 17 00:00:00 2001
From: Toshi MARUYAMA <marutosijp2@yahoo.co.jp>
Date: Wed, 30 Aug 2017 15:46:45 +0000
Subject: [PATCH] fix file name corruption when export a wiki page with
 non-ASCII title in MS browsers (#26599)

Contributed by Go MAEDA.

git-svn-id: http://svn.redmine.org/redmine/trunk@16957 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/controllers/wiki_controller.rb      |  6 +++---
 test/functional/wiki_controller_test.rb | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/app/controllers/wiki_controller.rb b/app/controllers/wiki_controller.rb
index 25e59adb0..b43b933cd 100644
--- a/app/controllers/wiki_controller.rb
+++ b/app/controllers/wiki_controller.rb
@@ -100,14 +100,14 @@ class WikiController < ApplicationController
 
     if User.current.allowed_to?(:export_wiki_pages, @project)
       if params[:format] == 'pdf'
-        send_file_headers! :type => 'application/pdf', :filename => "#{@page.title}.pdf"
+        send_file_headers! :type => 'application/pdf', :filename => filename_for_content_disposition("#{@page.title}.pdf")
         return
       elsif params[:format] == 'html'
         export = render_to_string :action => 'export', :layout => false
-        send_data(export, :type => 'text/html', :filename => "#{@page.title}.html")
+        send_data(export, :type => 'text/html', :filename => filename_for_content_disposition("#{@page.title}.html"))
         return
       elsif params[:format] == 'txt'
-        send_data(@content.text, :type => 'text/plain', :filename => "#{@page.title}.txt")
+        send_data(@content.text, :type => 'text/plain', :filename => filename_for_content_disposition("#{@page.title}.txt"))
         return
       end
     end
diff --git a/test/functional/wiki_controller_test.rb b/test/functional/wiki_controller_test.rb
index 314d46385..193efb0b7 100644
--- a/test/functional/wiki_controller_test.rb
+++ b/test/functional/wiki_controller_test.rb
@@ -1,3 +1,5 @@
+# encoding: utf-8
+#
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
@@ -1087,6 +1089,26 @@ class WikiControllerTest < Redmine::ControllerTest
     assert_include 'h1. CookBook documentation v2', @response.body
   end
 
+  def test_show_filename_should_be_uri_encoded_for_ms_browsers
+    @request.session[:user_id] = 2
+    title = 'Этика_менеджмента'
+    %w|pdf html txt|.each do |format|
+      # Non-MS browsers
+      @request.user_agent = ""
+      get :show, :params => {:project_id => 1, :id => title, :format => format}
+      assert_response :success
+      assert_equal "attachment; filename=\"#{title}.#{format}\"",
+                    @response.headers['Content-Disposition']
+      # Microsoft's browsers: filename should be URI encoded
+      @request.user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063'
+      get :show, :params => {:project_id => 1, :id => title, :format => format}
+      assert_response :success
+      filename = URI.encode("#{title}.#{format}")
+      assert_equal "attachment; filename=\"#{filename}\"",
+                    @response.headers['Content-Disposition']
+    end
+  end
+
   def test_edit_unprotected_page
     # Non members can edit unprotected wiki pages
     @request.session[:user_id] = 4
-- 
2.39.5