Make sure DOS newlines in quoted-printable text are normalized to unix...

Make sure DOS newlines in quoted-printable text are normalized to unix newlines before unquoting. closes $166 and #4452


git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5079 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionmailer/CHANGELOG

 *SVN*
 
+* Make sure DOS newlines in quoted-printable text are normalized to unix newlines before unquoting. closes $166 and #4452. [Jamis Buck]
+
 * Fixed that iconv decoding should catch InvalidEncoding #3153 [jon@siliconcircus.com]
 
 * Tighten rescue clauses.  #5985 [james@grayproductions.net]

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

@@ -68,6 +68,7 @@ def unquote_and_convert_to(text, to_charset, from_charset = "iso-8859-1", preser
  
       def unquote_quoted_printable_and_convert_to(text, to, from, preserve_underscores=false)
         text = text.gsub(/_/, " ") unless preserve_underscores
+        text = text.gsub(/\r\n|\r/, "\n") # normalize newlines
         convert_to(text.unpack("M*").first, to, from)
       end
  

actionmailer/test/fixtures/raw_email_quoted_with_0d0a

+Mime-Version: 1.0 (Apple Message framework v730)
+Message-Id: <9169D984-4E0B-45EF-82D4-8F5E53AD7012@example.com>
+From: foo@example.com
+Subject: testing
+Date: Mon, 6 Jun 2005 22:21:22 +0200
+To: blah@example.com
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/plain
+
+A fax has arrived from remote ID ''.=0D=0A-----------------------=
+-------------------------------------=0D=0ATime: 3/9/2006 3:50:52=
+ PM=0D=0AReceived from remote ID: =0D=0AInbound user ID XXXXXXXXXX, r=
+outing code XXXXXXXXX=0D=0AResult: (0/352;0/0) Successful Send=0D=0AP=
+age record: 1 - 1=0D=0AElapsed time: 00:58 on channel 11=0D=0A

actionmailer/test/quoting_test.rb

@@ -19,6 +19,13 @@ def test_quote_multibyte_chars
     assert_equal unquoted, original
   end
 
+  # test an email that has been created using \r\n newlines, instead of
+  # \n newlines.
+  def test_email_quoted_with_0d0a
+    mail = TMail::Mail.parse(IO.read("#{File.dirname(__FILE__)}/fixtures/raw_email_quoted_with_0d0a"))
+    assert_match %r{Elapsed time}, mail.body
+  end
+
   private
 
     # This whole thing *could* be much simpler, but I don't think Tempfile,