@Override
protected boolean executeBasic(MailAdapter mail, Arguments args, SieveContext ctx)
throws SieveException {
if (!(mail instanceof ZimbraMailAdapter)) {
return false;
}
ZimbraMailAdapter adapter = (ZimbraMailAdapter) mail;
for (String name : adapter.getHeaderNames()) {
name = name.toUpperCase(); // compare in all upper-case
if (HEADERS.contains(name)) { // test common bulk headers
return true;
} else if (LIST_UNSUBSCRIBE.equals(name)) { // test List-Unsubscribe
// Check "to me" to avoid conflicting with legitimate mailing list messages
List<InternetAddress> addrs = new ArrayList<InternetAddress>();
for (String to : mail.getHeader("To")) {
addrs.addAll(InternetAddress.parseHeader(to));
}
try {
Set<String> me = AccountUtil.getEmailAddresses(adapter.getMailbox().getAccount());
for (InternetAddress addr : addrs) {
if (me.contains(addr.getAddress().toLowerCase())) {
return true;
}
}
} catch (ServiceException e) {
ZimbraLog.filter.error("Failed to lookup my addresses", e);
}
} else if (PRECEDENCE.equals(name)) { // test "Precedence: bulk"
for (String precedence : adapter.getHeader(PRECEDENCE)) {
if ("bulk".equalsIgnoreCase(precedence)) {
boolean zimbraOOONotif = false;
for (String autoSubmitted : mail.getHeader(AUTO_SUBMITTED)) {
if (ZIMBRA_OOO_AUTO_REPLY.equals(autoSubmitted)) {
zimbraOOONotif = true;
break;
}
}
if (!zimbraOOONotif) {
return true;
}
}
}
} else if (name.contains("CAMPAIGN")) { // test *CAMPAIGN*
return true;
} else if (name.equals(X_PROOFPOINT_SPAM_DETAILS)) { // test Proofpoint bulkscore > 50
for (String value : adapter.getHeader(X_PROOFPOINT_SPAM_DETAILS)) {
for (String field : Splitter.on(' ').split(value)) {
if (field.startsWith("bulkscore=")) {
String[] pair = field.split("=", 2);
try {
if (pair.length == 2 && Integer.parseInt(pair[1]) >= 50) {
return true;
}
} catch (NumberFormatException ignore) {
}
break;
}
}
}
}
}
return false;
}
