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https://issues.apache.org/jira/browse/MIME4J-41?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antony Bowesman updated MIME4J-41:
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Attachment: MessageTest.java
Test case showing the unquoted digit boundary string
> Content-Type parameter values that contain only digits are ignored
> ------------------------------------------------------------------
>
> Key: MIME4J-41
> URL: https://issues.apache.org/jira/browse/MIME4J-41
> Project: Mime4j
> Issue Type: Bug
> Affects Versions: 0.3, 0.4
> Environment: Any
> Reporter: Antony Bowesman
> Fix For: 0.3, 0.4
>
> Attachments: MessageTest.java
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Parameter values in the Content-Type message header are ignored if they only
> contain digits. This is a particular problem if a message contains an
> unquoted boundary string that contains only digits, it is not recognised as a
> valid boundary string and therefore the a Multipart object is created that
> fails the Message.isMultipart() test.
> Attached test case shows the problem
> The ContentTypeParser.jj source for value parsing is
> String value() :
> {Token t;}
> {
> ( t=<ATOKEN>
> | t=<QUOTEDSTRING>
> )
> { return t.image; }
> }
> however, if a value contains only digits, it is parsed as <DIGITS>, so will
> not be assigned.
> Sensible solution seems to be to change the value() implementation in JavaCC
> source to include digit. Patch details
> --- ContentTypeParser.jj 2007-05-25 02:04:09.000000000 +1000
> +++ ContentTypeParserFix.jj 2008-03-19 08:44:14.109375000 +1100
> @@ -122,6 +122,7 @@
> {Token t;}
> {
> ( t=<ATOKEN>
> +| t=<DIGITS>
> | t=<QUOTEDSTRING>
> )
> { return t.image; }
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