Merged rails-3.2 branch.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9528 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 65 insertions, 0 deletions

diff --git a/lib/vendor/tmail-1.2.7/tmail/attachments.rb b/lib/vendor/tmail-1.2.7/tmail/attachments.rb
new file mode 100644
index 000000000..19ce1aa8a
--- /dev/null
+++ b/lib/vendor/tmail-1.2.7/tmail/attachments.rb
@@ -0,0 +1,65 @@
+=begin rdoc
+
+= Attachment handling file
+
+=end
+
+require 'kconv'
+require 'stringio'
+
+module TMail
+  class Attachment < StringIO
+    attr_accessor :original_filename, :content_type
+    alias quoted_filename original_filename
+  end
+
+  class Mail
+    def has_attachments?
+      attachment?(self) || multipart? && parts.any? { |part| attachment?(part) }
+    end
+
+    # Returns true if this part's content main type is text, else returns false.
+    # By main type is meant "text/plain" is text.  "text/html" is text
+    def text_content_type?
+      self.header['content-type'] && (self.header['content-type'].main_type == 'text')
+    end
+  
+    def inline_attachment?(part)
+      part['content-id'] || (part['content-disposition'] && part['content-disposition'].disposition == 'inline' && !part.text_content_type?)
+    end
+  
+    def attachment?(part)
+      part.disposition_is_attachment? || (!part.content_type.nil? && !part.text_content_type?) unless part.multipart?
+    end
+  
+    def attachments
+      if multipart?
+        parts.collect { |part| attachment(part) }.flatten.compact
+      elsif attachment?(self)
+        [attachment(self)]
+      end
+    end
+  
+    private
+  
+    def attachment(part)
+      if part.multipart?
+        part.attachments
+      elsif attachment?(part)
+        content   = part.body # unquoted automatically by TMail#body
+        file_name = (part['content-location'] && part['content-location'].body) ||
+                    part.sub_header('content-type', 'name') ||
+                    part.sub_header('content-disposition', 'filename') ||
+                    'noname'
+
+        return if content.blank?
+
+        attachment = TMail::Attachment.new(content)
+        attachment.original_filename = file_name.strip unless file_name.blank?
+        attachment.content_type = part.content_type
+        attachment
+      end
+    end
+
+  end
+end