Correctly normalize newlines in outgoing emails before encoding the body [John Long]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1732 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionmailer/lib/action_mailer/base.rb

@@ -1,6 +1,7 @@
 require 'action_mailer/adv_attr_accessor'
 require 'action_mailer/part'
 require 'action_mailer/part_container'
+require 'action_mailer/utils'
 require 'tmail/net'
 
 module ActionMailer #:nodoc:
@@ -293,11 +294,11 @@ module ActionMailer #:nodoc:
 
         if @parts.empty?
           m.set_content_type content_type, nil, { "charset" => charset }
-          m.body = body
+          m.body = Utils.normalize_new_lines(body)
         else
           if String === body
             part = TMail::Mail.new
-            part.body = body
+            part.body = Utils.normalize_new_lines(body)
             part.set_content_type content_type, nil, { "charset" => charset }
             part.set_content_disposition "inline"
             m.parts << part

actionmailer/lib/action_mailer/part.rb

@@ -1,5 +1,6 @@
 require 'action_mailer/adv_attr_accessor'
 require 'action_mailer/part_container'
+require 'action_mailer/utils'
 
 module ActionMailer
   class Part #:nodoc:
@@ -29,7 +30,7 @@ module ActionMailer
           when "base64" then
             part.body = TMail::Base64.folding_encode(body)
           when "quoted-printable"
-            part.body = [body].pack("M*")
+            part.body = [Utils.normalize_new_lines(body)].pack("M*")
           else
             part.body = body
         end

actionmailer/lib/action_mailer/utils.rb

@@ -0,0 +1,8 @@
+module ActionMailer
+  module Utils #:nodoc:
+    def normalize_new_lines(text)
+      text.to_s.gsub(/\r\n?/, "\n")
+    end
+    module_function :normalize_new_lines
+  end
+end

actionmailer/lib/action_mailer/vendor/tmail/mail.rb

@@ -335,13 +335,9 @@ module TMail
       }
     end
 
-    def normalize_line_endings(text)
-      text.to_s.gsub(/\r\n?/, "\n")
-    end
-
     def body=( str )
       parse_body
-      @body_port.wopen {|f| f.write normalize_line_endings(str) }
+      @body_port.wopen {|f| f.write str }
       str
     end
 

actionmailer/test/mail_service_test.rb

@@ -146,6 +146,15 @@ class TestMailer < ActionMailer::Base
                  "line #5\n\nline#6\r\n\r\nline #7"
   end
 
+  def various_newlines_multipart(recipient)
+    recipients   recipient
+    subject      "various newlines multipart"
+    from         "test@example.com"
+    content_type "multipart/alternative"
+    part :content_type => "text/plain", :body => "line #1\nline #2\rline #3\r\nline #4\r\r"
+    part :content_type => "text/html", :body => "<p>line #1</p>\n<p>line #2</p>\r<p>line #3</p>\r\n<p>line #4</p>\r\r"
+  end
+
   def nested_multipart(recipient)
     recipients   recipient
     subject      "nested multipart"
@@ -597,6 +606,12 @@ EOF
                  "line #5\n\nline#6\n\nline #7", mail.body)
   end
 
+  def test_various_newlines_multipart
+    mail = TestMailer.create_various_newlines_multipart(@recipient)
+    assert_equal "line #1\nline #2\nline #3\nline #4\n\n", mail.parts[0].body
+    assert_equal "<p>line #1</p>\n<p>line #2</p>\n<p>line #3</p>\n<p>line #4</p>\n\n", mail.parts[1].body
+  end
+  
   def test_headers_removed_on_smtp_delivery
     ActionMailer::Base.delivery_method = :smtp
     TestMailer.deliver_cc_bcc(@recipient)