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Code Issues Releases Wiki Activity

Report: merge references of original message for threading

This commit is contained in:
M66B 2020-01-14 13:13:33 +01:00
parent a587e1e50a
commit e134122169
1 changed files with 29 additions and 0 deletions
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29
app/src/main/java/eu/faircode/email/MessageHelper.java
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@ -641,6 +641,35 @@ public class MessageHelper {
String[] getReferences() throws MessagingException {
String refs = imessage.getHeader("References", null);
try {
// Merge references of original message for threading
if (imessage.isMimeType("multipart/report")) {
ContentType ct = new ContentType(imessage.getContentType());
if ("delivery-status".equalsIgnoreCase(ct.getParameter("report-type"))) {
MessageParts parts = new MessageParts();
getMessageParts(imessage, parts, null);
for (AttachmentPart apart : parts.attachments)
if ("message/rfc822".equalsIgnoreCase(apart.attachment.type)) {
Properties props = MessageHelper.getSessionProperties();
Session isession = Session.getInstance(props, null);
MimeMessage amessage = new MimeMessage(isession, apart.part.getInputStream());
String arefs = amessage.getHeader("References", null);
if (arefs != null) {
Log.i("rfc822 refs=" + arefs);
if (refs == null)
refs = arefs;
else
refs += " " + arefs;
}
break;
}
}
}
} catch (Throwable ex) {
Log.w(ex);
}
return (refs == null ? new String[0] : MimeUtility.unfold(refs).split("\\s+"));
}