msb-public
/
FairEmail
mirror of https://github.com/M66B/FairEmail.git
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Code Issues Projects Releases Wiki Activity

DMARC: simplification

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pull/214/head
M66B 10 months ago
parent 89a4d3ea6d
commit 9c09ce442f
1 changed files with 20 additions and 35 deletions
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55
app/src/main/java/eu/faircode/email/ActivityDmarc.java
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@ -500,17 +500,12 @@ public class ActivityDmarc extends ActivityBase {
if (ip.startsWith("ip4:") || ip.startsWith("ip6:")) {
String[] net = ip.substring(4).split("/");
Integer prefix = (net.length > 1 ? Helper.parseInt(net[1]) : null);
if (prefix == null) {
if (text.equals(net[0])) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + p.first;
break;
}
} else {
if (ConnectionHelper.inSubnet(text, net[0], prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + p.first + "/" + prefix;
}
if (prefix == null
? text.equals(net[0])
: ConnectionHelper.inSubnet(text, net[0], prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + p.first;
break;
}
} else if ("a".equals(ip) || ip.startsWith("a:")) {
String domain = (ip.startsWith("a:") ? ip.substring(2) : p.first);
@ -526,18 +521,13 @@ public class ActivityDmarc extends ActivityBase {
} catch (UnknownHostException ignored) {
}
for (DnsHelper.DnsRecord a : as)
if (prefix == null) {
if (text.equals(a.response)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + domain;
break;
}
} else {
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
break;
}
if (prefix == null
? text.equals(a.response)
: ConnectionHelper.inSubnet(text, a.response, prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip +
" in " + domain + (prefix == null ? "" : "/" + prefix);
break;
}
} else if ("mx".equals(ip) || ip.startsWith("mx:")) {
try {
@ -556,18 +546,13 @@ public class ActivityDmarc extends ActivityBase {
} catch (UnknownHostException ignored) {
}
for (DnsHelper.DnsRecord a : as) {
if (prefix == null) {
if (text.equals(a.response)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + domain;
break;
}
} else {
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
break;
}
if (prefix == null
? text.equals(a.response)
: ConnectionHelper.inSubnet(text, a.response, prefix)) {
valid = allow;
because = (allow ? '+' : '-') + ip +
" in " + domain + (prefix == null ? "" : "/" + prefix);
break;
}
}
if (valid != null)

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