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Added Outlook message parser

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M66B
2021-09-14 09:05:11 +02:00
parent 137e6859df
commit 3288c3d0cd
4 changed files with 126 additions and 0 deletions
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111
app/src/main/java/eu/faircode/email/MessageHelper.java
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@@ -45,6 +45,10 @@ import com.sun.mail.util.MessageRemovedIOException;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.simplejavamail.outlookmessageparser.OutlookMessageParser;
import org.simplejavamail.outlookmessageparser.model.OutlookAttachment;
import org.simplejavamail.outlookmessageparser.model.OutlookFileAttachment;
import org.simplejavamail.outlookmessageparser.model.OutlookMessage;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
@@ -2298,6 +2302,9 @@ public class MessageHelper {
if (Helper.isTnef(local.type, local.name))
decodeTNEF(context, local);
if ("msg".equalsIgnoreCase(Helper.getExtension(local.name)))
decodeOutlook(context, local);
}
void downloadAttachment(Context context, int index, EntityAttachment local) throws MessagingException, IOException {
@@ -2535,6 +2542,110 @@ public class MessageHelper {
}
}
private void decodeOutlook(Context context, EntityAttachment local) {
try {
DB db = DB.getInstance(context);
int subsequence = 0;
// https://poi.apache.org/components/hmef/index.html
File file = local.getFile(context);
OutlookMessage msg = new OutlookMessageParser().parseMsg(file);
String headers = msg.getHeaders();
if (!TextUtils.isEmpty(headers)) {
EntityAttachment attachment = new EntityAttachment();
attachment.message = local.message;
attachment.sequence = local.sequence;
attachment.subsequence = ++subsequence;
attachment.name = "headers.txt";
attachment.type = "text/rfc822-headers";
attachment.disposition = Part.ATTACHMENT;
attachment.id = db.attachment().insertAttachment(attachment);
Helper.writeText(attachment.getFile(context), headers);
db.attachment().setDownloaded(attachment.id, (long) headers.length());
}
String html = msg.getBodyHTML();
if (!TextUtils.isEmpty(html)) {
EntityAttachment attachment = new EntityAttachment();
attachment.message = local.message;
attachment.sequence = local.sequence;
attachment.subsequence = ++subsequence;
attachment.name = "body.html";
attachment.type = "text/html";
attachment.disposition = Part.ATTACHMENT;
attachment.id = db.attachment().insertAttachment(attachment);
File a = attachment.getFile(context);
Helper.writeText(a, html);
db.attachment().setDownloaded(attachment.id, a.length());
}
if (TextUtils.isEmpty(html)) {
String text = msg.getBodyText();
if (!TextUtils.isEmpty(text)) {
EntityAttachment attachment = new EntityAttachment();
attachment.message = local.message;
attachment.sequence = local.sequence;
attachment.subsequence = ++subsequence;
attachment.name = "body.txt";
attachment.type = "text/plain";
attachment.disposition = Part.ATTACHMENT;
attachment.id = db.attachment().insertAttachment(attachment);
File a = attachment.getFile(context);
Helper.writeText(a, text);
db.attachment().setDownloaded(attachment.id, a.length());
}
}
String rtf = msg.getBodyRTF();
if (!TextUtils.isEmpty(rtf)) {
EntityAttachment attachment = new EntityAttachment();
attachment.message = local.message;
attachment.sequence = local.sequence;
attachment.subsequence = ++subsequence;
attachment.name = "body.rtf";
attachment.type = "application/rtf";
attachment.disposition = Part.ATTACHMENT;
attachment.id = db.attachment().insertAttachment(attachment);
File a = attachment.getFile(context);
Helper.writeText(a, rtf);
db.attachment().setDownloaded(attachment.id, a.length());
}
List<OutlookAttachment> attachments = msg.getOutlookAttachments();
for (OutlookAttachment oa : attachments)
if (oa instanceof OutlookFileAttachment) {
OutlookFileAttachment ofa = (OutlookFileAttachment) oa;
EntityAttachment attachment = new EntityAttachment();
attachment.message = local.message;
attachment.sequence = local.sequence;
attachment.subsequence = ++subsequence;
attachment.name = ofa.getFilename();
attachment.type = ofa.getMimeTag();
attachment.disposition = Part.ATTACHMENT;
attachment.id = db.attachment().insertAttachment(attachment);
if (TextUtils.isEmpty(attachment.type))
attachment.type = Helper.guessMimeType(attachment.name);
byte[] data = ofa.getData();
try (OutputStream os = new FileOutputStream(attachment.getFile(context))) {
os.write(data);
}
db.attachment().setDownloaded(attachment.id, (long) data.length);
}
} catch (Throwable ex) {
Log.w(ex);
}
}
String getWarnings(String existing) {
if (existing != null)
warnings.add(0, existing);