Merge branch 'develop' into wdtk

1 files changed, 62 insertions, 0 deletions

diff --git a/lib/mail_handler/backends/tmail_backend.rb b/lib/mail_handler/backends/tmail_backend.rb
new file mode 100644
index 000000000..87aba73d7
--- /dev/null
+++ b/lib/mail_handler/backends/tmail_backend.rb
@@ -0,0 +1,62 @@
+module MailHandler
+    module Backends
+        module TmailBackend
+
+            def backend()
+                'TMail'
+            end
+
+            # Turn raw data into a structured TMail::Mail object
+            # Documentation at http://i.loveruby.net/en/projects/tmail/doc/
+            def mail_from_raw_email(data, decode=true)
+                # Hack round bug in TMail's MIME decoding.
+                # Report of TMail bug:
+                # http://rubyforge.org/tracker/index.php?func=detail&aid=21810&group_id=4512&atid=17370
+                copy_of_raw_data = data.gsub(/; boundary=\s+"/im,'; boundary="')
+                mail = TMail::Mail.parse(copy_of_raw_data)
+                mail.base64_decode if decode
+                mail
+            end
+
+            # Extracts all attachments from the given TNEF file as a TMail::Mail object
+            def mail_from_tnef(content)
+                main = TMail::Mail.new
+                main.set_content_type 'multipart', 'mixed', { 'boundary' => TMail.new_boundary }
+                tnef_attachments(content).each do |attachment|
+                    tmail_attachment = TMail::Mail.new
+                    tmail_attachment['content-location'] = attachment[:filename]
+                    tmail_attachment.body = attachment[:content]
+                    main.parts << tmail_attachment
+                end
+                main
+            end
+
+            # Return a copy of the file name for the mail part
+            def get_part_file_name(mail_part)
+                part_file_name = TMail::Mail.get_part_file_name(mail_part)
+                if part_file_name.nil?
+                    return nil
+                end
+                part_file_name = part_file_name.dup
+                return part_file_name
+            end
+
+            def address_from_name_and_email(name, email)
+                if !MySociety::Validate.is_valid_email(email)
+                    raise "invalid email " + email + " passed to address_from_name_and_email"
+                end
+                if name.nil?
+                    return TMail::Address.parse(email).to_s
+                end
+                # Botch an always quoted RFC address, then parse it
+                name = name.gsub(/(["\\])/, "\\\\\\1")
+                TMail::Address.parse('"' + name + '" <' + email + '>').to_s
+            end
+
+            def address_from_string(string)
+                TMail::Address.parse(string).address
+            end
+
+        end
+    end
+end
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