DO NOT REPLY [Bug 18028] New: - Redirect mailet mishandles message.getContent()

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=18028

Redirect mailet mishandles message.getContent()

           Summary: Redirect mailet mishandles message.getContent()
           Product: James
           Version: 2.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Mailet API
        AssignedTo: james-dev@jakarta.apache.org
        ReportedBy: cmeans@intfar.com


If Redirect handles a message where the content type is multipart, then the 
message itself is not redirected only something like: 

javax.mail.internet.MimeMultipart@caf6c1

gets sent as the message body.

(Comments from Noel): Redirect calls message.getContent().toString().  The 
problem is that the getContent() method returns a String if the content is
"text/plain", an InputStream if it there is no DataHandler, and a Multipart
object if the content is a multipart type.

This bug can be reproduced by configuring the mailet with <inline> all 
</inline> parameter, and then sending a message in HTML that would trigger the 
mailet:

          <mailet match="RecipientIs=bad@domain.tld"
                  class="Redirect">
            <recipients> postmaster@domain.tld </recipients>
            <inline> all </inline>
            <replyto> postmaster </replyto>
            <static> true </static>
            <passThrough> false </passThrough>
          </mailet>

Though I've only tested this on WinNT v4.0 SP6a, JDK 1.4.1_01, and James 
2.1.2a2, given the Redirect code is the same on all platforms, it is expected 
to have the same problem on all platforms and environments.

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