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https://issues.apache.org/jira/browse/EMAIL-130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13770551#comment-13770551
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Thomas Neidhart edited comment on EMAIL-130 at 9/18/13 8:06 AM:
----------------------------------------------------------------
Are you sure you use the official javamail release?
was (Author: tn):
Are you sure you use the offical javamail release?
> Problem parsing EMail-Attachmentfilename (ISO-8859-15)
> ------------------------------------------------------
>
> Key: EMAIL-130
> URL: https://issues.apache.org/jira/browse/EMAIL-130
> Project: Commons Email
> Issue Type: Bug
> Affects Versions: 1.3.1
> Environment: Thunderbird/17.0.5
> Reporter: Olaf K.
> Priority: Critical
> Attachments: Zählerstandsmitteilung_06_13.pdf.eml,
> Zählerstandsmitteilung_06_13 pdf.msg
>
>
> I use common-email-1.3.1 to parse emails from a imap-server.
> After parsing an email with an pdf-attachment I received the following
> attachment-filename:
> ISO-8859-15''%5A%E4%68%6C%65%72%73%74%61%6E%64%73%6D%69%74%74
> But the filename should be “Zählerstandsmitteilung_06_13.pdf”.
> I discovered the sourcecode and change the method
> MimeMessageParser.getDataSourceName() as follows:
> {code}
> protected String getDataSourceName(Part part, DataSource dataSource)
> throws MessagingException, UnsupportedEncodingException {
> String result = dataSource.getName();
> if (result == null || result.length() == 0) {
> result = part.getFileName();
> }
> if (result != null && result.length() > 0) {
> result = MimeUtility.decodeText(result);
> } else {
> result = null;
> }
> // NEW-Start
> // result could be =
> ISO-8859-15''%5A%E4%68%6C%65%72%73%74%61%6E%64%73%6D%69%74%74
> if (result.indexOf("%") != -1) {
> String rawContentType = part.getContentType();
> // extract the name from contenttype:
> application/pdf;\n\rname="=?ISO-8859-15?Q?Z=E4hlerstandsmitteilung=5F06=5F13=2Epdf?="
> int nameIndex = rawContentType.indexOf("name=\"");
> if (nameIndex != -1) {
> rawContentType =
> rawContentType.substring(nameIndex);
> rawContentType =
> rawContentType.substring(rawContentType.indexOf('"') + 1,
> rawContentType.lastIndexOf('"'));
> // ISO-Decoding
> if (rawContentType.startsWith("=?") ||
> rawContentType.endsWith("?=")) {
> result =
> MimeUtility.decodeText(rawContentType);
> }
> }
> }
> // NEW-END
> return result;
> }
> {code}
> Tested with ISO-8859-15 encoded emails.
> You could reproduce this behavior with the following steps.
> - Create an PDF with the filename "Zählerstandsmitteilung_06_13.pdf"
> - Create an EMail with Tunderbird.
> - Set EMail-Format RawText and encoding to ISO-8859-15
> I attached such an email to this issue (msg-Outlook and eml-Thunderbird).
> part.getFilename return:
> ISO-8859-15''%5A%E4%68%6C%65%72%73%74%61%6E%64%73%6D%69%74%74
> It should: =?iso-8859-1?Q?Z=E4hlerstandsmitteilung=5F06=5F13.pdf?=
> With this kind of filename MimeUtility.decodeText(result); fix the encoding.
>
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