empathicqubit/Signal-Android
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Resolve multiple times when generating static IPs.

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An attempt to make the list somewhat more stable.
This commit is contained in:
Greyson Parrelli 2022-03-17 12:06:55 -04:00 • committed by Cody Henthorne
parent 570b39f82e
commit a0ebb891de
2 changed files with 20 additions and 5 deletions
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6
app/static-ips.gradle
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@ -1,7 +1,7 @@
ext.service_ips='new String[]{"13.248.212.111","76.223.92.165"}'
ext.storage_ips='new String[]{"142.250.188.51"}'
ext.cdn_ips='new String[]{"99.84.42.84","99.84.42.34","99.84.42.27","99.84.42.88"}'
ext.cdn2_ips='new String[]{"104.18.29.74","104.18.28.74"}'
ext.storage_ips='new String[]{"142.250.176.211"}'
ext.cdn_ips='new String[]{"65.8.198.118","65.8.198.39","65.8.198.46","65.8.198.54"}'
ext.cdn2_ips='new String[]{"104.18.28.74","104.18.29.74"}'
ext.cds_ips='new String[]{"20.62.208.25"}'
ext.kbs_ips='new String[]{"20.85.156.233"}'
ext.sfu_ips='new String[]{"52.6.24.145","54.152.177.76"}'

19
buildSrc/src/main/java/org/signal/StaticIpResolver.java
View file

@ -11,6 +11,10 @@ import org.xbill.DNS.Type;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
public final class StaticIpResolver {
@ -29,7 +33,18 @@ public final class StaticIpResolver {
return builder.append("}").toString();
}
private static String[] resolve(String hostName) {
private static String[] resolve(String hostname) {
Set<String> ips = new HashSet<>();
// Run several resolves to mitigate DNS round robin
for (int i = 0; i < 10; i++) {
ips.addAll(resolveOnce(hostname));
}
return ips.stream().sorted().toArray(String[]::new);
}
private static List<String> resolveOnce(String hostName) {
try {
Resolver resolver = new SimpleResolver("1.1.1.1");
Lookup lookup = doLookup(hostName);
@ -44,7 +59,7 @@ public final class StaticIpResolver {
.map(r -> (ARecord) r)
.map(ARecord::getAddress)
.map(InetAddress::getHostAddress)
.toArray(String[]::new);
.collect(Collectors.toList());
} else {
throw new IllegalStateException("Failed to resolve host! " + hostName);
}