Justin McCartney created MIME4J-236:
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Summary: Valid email with MIME part encoded as quoted printable is
flagged as invalid
Key: MIME4J-236
URL: https://issues.apache.org/jira/browse/MIME4J-236
Project: James Mime4j
Issue Type: Bug
Components: parser (core)
Affects Versions: 0.7.2
Reporter: Justin McCartney
I was using Mime4j to validate some emails supplied through an API to one of
our internal systems. Strict parsing was set to true.
Here is the behaviour of Mime4j that is I feel incorrect in
QuotedPrintableInputStream.
A text file used as an inline attachment:
Content-Type: text/plain; charset=Cp1252
Content-Transfer-Encoding: quoted-printable
The second line below causes an error. For clarity's sake I have added the the
new line characters as CR and LF.
<?xml version=3D"1.0" standalone=3D"no"?>CRLF
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/=CRLF
SVG/1.1/DTD/svg11.dtd" >CRLF
The stack trace of the error:
Caused by: java.io.IOException: Found LF without CR
at
org.apache.james.mime4j.codec.QuotedPrintableInputStream.read0(QuotedPrintableInputStream.java:194)
at
org.apache.james.mime4j.codec.QuotedPrintableInputStream.read(QuotedPrintableInputStream.java:306)
at java.io.InputStream.read(InputStream.java:101)
at
org.apache.james.mime4j.message.BasicBodyFactory.bufferContent(BasicBodyFactory.java:53)
at
org.apache.james.mime4j.message.BasicBodyFactory.textBody(BasicBodyFactory.java:43)
at org.apache.james.mime4j.message.EntityBuilder.body(EntityBuilder.java:151)
at
org.apache.james.mime4j.parser.MimeStreamParser.parse(MimeStreamParser.java:133)
at
org.apache.james.mime4j.message.DefaultMessageBuilder.parseMessage(DefaultMessageBuilder.java:311)
I believe that second line in my example is correct. It was created by Sun's
com.sun.mail.util.QPEncoderStream.
The equals indicates a soft line break and the following CRLF is the valid new
line marker for the mail message.
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