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Native DKIM for POP3

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M66B
2023-02-14 09:36:35 +01:00
parent 5145912f94
commit 7fdd3b9b3e
2 changed files with 14 additions and 8 deletions
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15
app/src/main/java/eu/faircode/email/MessageHelper.java
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@@ -54,6 +54,7 @@ import com.sun.mail.util.BASE64DecoderStream;
import com.sun.mail.util.DecodingException;
import com.sun.mail.util.FolderClosedIOException;
import com.sun.mail.util.MessageRemovedIOException;
import com.sun.mail.util.ReadableMime;
import org.apache.commons.compress.archivers.ArchiveEntry;
import org.apache.commons.compress.archivers.ArchiveException;
@@ -1994,13 +1995,11 @@ public class MessageHelper {
List<String> signers = new ArrayList<>();
try {
// Workaround reformatted headers
Properties props = MessageHelper.getSessionProperties(true);
Session isession = Session.getInstance(props, null);
MimeMessage amessage = new MimeMessage(isession, ((IMAPMessage) imessage).getMimeStream());
// Workaround reformatted headers (Content-Type)
InternetHeaders ih = new InternetHeaders(((ReadableMime) imessage).getMimeStream(), true);
// https://datatracker.ietf.org/doc/html/rfc6376/
String[] headers = amessage.getHeader("DKIM-Signature");
String[] headers = ih.getHeader("DKIM-Signature");
if (headers == null || headers.length < 1)
return signers;
@@ -2065,7 +2064,7 @@ public class MessageHelper {
String[] values = ("DKIM-Signature".equals(key)
? new String[]{header}
: amessage.getHeader(key));
: ih.getHeader(key));
if (values == null || idx > values.length) {
// https://datatracker.ietf.org/doc/html/rfc6376/#section-5.4
Log.i("DKIM missing header=" +
@@ -2086,7 +2085,7 @@ public class MessageHelper {
head.append(key).append(": ").append(value);
else {
// Find original header/name
Enumeration<Header> oheaders = amessage.getAllHeaders();
Enumeration<Header> oheaders = ih.getAllHeaders();
while (oheaders.hasMoreElements()) {
Header oheader = oheaders.nextElement();
if (key.equalsIgnoreCase(oheader.getName()))
@@ -2107,7 +2106,7 @@ public class MessageHelper {
Log.i("DKIM head=" + head.toString().replace("\r\n", "|"));
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Helper.copy(amessage.getRawInputStream(), bos);
Helper.copy(imessage.getRawInputStream(), bos);
String body = bos.toString(); // TODO: charset?
if ("simple".equals(c[c.length > 1 ? 1 : 0])) {
if (TextUtils.isEmpty(body))