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Check signature of both DKIM and ARC headers

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M66B
2024-02-15 11:24:01 +01:00
parent a43d63b491
commit 08af779cef
1 changed files with 14 additions and 5 deletions
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19
app/src/main/java/eu/faircode/email/MessageHelper.java
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@@ -2238,8 +2238,17 @@ public class MessageHelper {
}
// https://datatracker.ietf.org/doc/html/rfc6376/
String[] headers = amessage.getHeader(DKIM_SIGNATURE);
if (headers == null || headers.length < 1)
List<String> headers = new ArrayList<>();
String[] dkim_headers = amessage.getHeader(DKIM_SIGNATURE);
if (dkim_headers != null && dkim_headers.length > 0)
headers.addAll(Arrays.asList(dkim_headers));
String[] arc_headers = amessage.getHeader(ARC_MESSAGE_SIGNATURE);
if (arc_headers != null && arc_headers.length > 0)
headers.addAll(Arrays.asList(arc_headers));
if (headers.size() == 0)
return signers;
for (String header : headers) {
@@ -2275,9 +2284,9 @@ public class MessageHelper {
else
throw new IllegalArgumentException(n);
headers = amessage.getHeader(n);
if (headers != null) {
for (String header : headers) {
String[] aheaders = amessage.getHeader(n);
if (aheaders != null) {
for (String header : aheaders) {
Map<String, String> kv = getKeyValues(MimeUtility.unfold(header));
Integer i = Helper.parseInt(kv.get("i"));
if (i == null || map.containsKey(i)) {