Benoit Tellier created JAMES-3178:
-------------------------------------
Summary: AutomaticSentMail detector should bypass javax.mail
parsing
Key: JAMES-3178
URL: https://issues.apache.org/jira/browse/JAMES-3178
Project: James Server
Issue Type: Improvement
Components: Mailet Contributions
Reporter: Benoit Tellier
We rely on `mime4j` for mail content parsing, we should bypass the implicit
parsing and sanitizing performed in `MimeMessage::getInputStream`.
As the JavaX.mail javadoc says:
{code:java}
Return a decoded input stream for this Message's "content".
{code}
To do so, we can use MimeMessageInputStream in james-server-core, wich also
implies relocating `AutomaticallySentMailDetectorImpl`.
Note that javax parsing is less robust than mime4j one, leading to the
following exception:
{code:java}
javax.mail.MessagingException: Can not read content
at
org.apache.mailet.base.AutomaticallySentMailDetectorImpl.isMdnSentAutomatically(AutomaticallySentMailDetectorImpl.java:107)
at
org.apache.mailet.base.AutomaticallySentMailDetectorImpl.isAutomaticallySent(AutomaticallySentMailDetectorImpl.java:54)
at
org.apache.james.jmap.mailet.VacationMailet.service(VacationMailet.java:72)
at
org.apache.james.mailetcontainer.impl.camel.CamelProcessor.process(CamelProcessor.java:77)
[...]
Caused by: java.io.IOException: Unknown encoding: 8bitMIME-version
at
javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:116)
at javax.activation.DataHandler.getInputStream(DataHandler.java:238)
at javax.mail.internet.MimeMessage.getInputStream(MimeMessage.java:1395)
at
org.apache.james.server.core.MimeMessageCopyOnWriteProxy.getInputStream(MimeMessageCopyOnWriteProxy.java:265)
at
org.apache.mailet.base.AutomaticallySentMailDetectorImpl.isMdnSentAutomatically(AutomaticallySentMailDetectorImpl.java:103)
... 92 common frames omitted
Caused by: javax.mail.MessagingException: Unknown encoding: 8bitMIME-version
at javax.mail.internet.MimeUtility.decode(MimeUtility.java:405)
at
javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:109)
{code}
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