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https://issues.apache.org/jira/browse/MIME4J-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Benoit Tellier closed MIME4J-316.
---------------------------------
Fix Version/s: 0.8.8
Resolution: Fixed
> Parts missing in case of a specific combination of boundaries
> --------------------------------------------------------------
>
> Key: MIME4J-316
> URL: https://issues.apache.org/jira/browse/MIME4J-316
> Project: James Mime4j
> Issue Type: Bug
> Components: parser (core)
> Affects Versions: 0.7.2
> Reporter: Thomas Fricker
> Priority: Major
> Fix For: 0.8.8
>
>
> The problem can be reproduced by parsing a very specific email structure,
> where
> an inner boundary matches the name of another outer boundary followed by a
> "-" character.
> In the following example, the attached pdf file will be ignored by the
> parser.
>
> {code:java}
> Content-Type: multipart/mixed;
> boundary="--boundary.1652331600846930886"
> ----boundary.1652331600846930886
> Content-Type: multipart/alternative;
> boundary="--boundary.1652331600846930886-1"
> ----boundary.1652331600846930886-1
> Content-Type: text/plain; charset=utf-8
> sometext
> ----boundary.1652331600846930886-1
> Content-Type: text/html; charset=utf-8
> <html lang="en">
> <body>
> </body>
> </html>
> ----boundary.1652331600846930886-1--
> ----boundary.1652331600846930886
> Content-Type: application/pdf;
> name="test.pdf"
> Content-Transfer-Encoding: base64
> Content-Disposition: Attachment;
> filename="test.pdf"
> JVBERi0xLj4Kc3RhcnR4cmVmCjUzNjEwCiUlRU9GCgshortened==
> ----boundary.1652331600846930886--
> {code}
> Dumping the EntityState during parsing produces
> {code:java}
> State: T_START_MULTIPART
> State: T_PREAMBLE
> State: T_END_MULTIPART
> State: T_END_BODYPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: text/plain; charset=utf-8
> State: T_END_HEADER
> Body detected, contents = [LineReaderInputStreamAdaptor: [pos: 43][limit:
> 103]....]], header data = [mimeType=text/plain, mediaType=text,
> subType=plain, boundary=null, charset=utf-8]
> State: T_END_BODYPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: text/html; charset=utf-8
> State: T_END_HEADER
> Body detected, contents = [LineReaderInputStreamAdaptor: [pos: 42][limit:
> 313]], header data = [mimeType=text/html, mediaType=text, subType=html,
> boundary=null, charset=utf-8]
> State: T_END_BODYPART
> State: T_EPILOGUE
> State: T_END_MULTIPART
> State: T_END_MESSAGE {code}
> The PDF attachment is missing.
> I proposed following fix : [https://github.com/apache/james-mime4j/pull/71]
> which produces following structure:
> {code:java}
> State: T_START_MULTIPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: multipart/alternative;
> boundary="--boundary.1652331600846930886-1"
> State: T_END_HEADER
> Multipart message detexted, header data = [mimeType=multipart/alternative,
> mediaType=multipart, subType=alternative,
> boundary=--boundary.1652331600846930886-1, charset=null]
> State: T_START_MULTIPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: text/plain; charset=utf-8
> State: T_END_HEADER
> Body detected, contents = [LineReaderInputStreamAdaptor: [pos: 43][limit:
> 103]], header data = [mimeType=text/plain, mediaType=text, subType=plain,
> boundary=null, charset=utf-8]
> State: T_END_BODYPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: text/html; charset=utf-8
> State: T_END_HEADER
> Body detected, contents = [LineReaderInputStreamAdaptor: [pos: 42][limit:
> 313]]], header data = [mimeType=text/html, mediaType=text, subType=html,
> boundary=null, charset=utf-8]
> State: T_END_BODYPART
> State: T_END_MULTIPART
> State: T_END_BODYPART
> State: T_START_BODYPART
> State: T_START_HEADER
> Header field detected: Content-Type: application/pdf;
> name="test.pdf"
> Header field detected: Content-Transfer-Encoding: base64
> Header field detected: Content-Disposition: Attachment;
> filename="test.pdf"
> State: T_END_HEADER
> Body detected, contents = [LineReaderInputStreamAdaptor: [pos: 189][limit:
> 235][JVBERi0xLj4Kc3RhcnR4cmVmCjUzNjEwCiUlRU9GCg==
> ]], header data = [mimeType=application/pdf, mediaType=application,
> subType=pdf, boundary=null, charset=null]
> State: T_END_BODYPART
> State: T_END_MULTIPART
> State: T_END_MESSAGE {code}
> I shortened the output of the body parts.
>
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