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don't use posh for IPs and set a 5s timeout

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This commit is contained in:
Daniel Gultsch 2016-12-06 12:23:40 +01:00
parent cbc9c1fb20
commit b879fb3753
1 changed files with 21 additions and 1 deletions
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22
libs/MemorizingTrustManager/src/de/duenndns/ssl/MemorizingTrustManager.java
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@ -68,6 +68,7 @@ import java.util.Collection;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.regex.Pattern;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
@ -87,6 +88,14 @@ import javax.net.ssl.X509TrustManager;
* opening sockets!
*/
public class MemorizingTrustManager {
private static final Pattern PATTERN_IPV4 = Pattern.compile("\\A(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_HEX4DECCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?) ::((?:[0-9A-Fa-f]{1,4}:)*)(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_6HEX4DEC = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}:){6,6})(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_HEXCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)\\z");
private static final Pattern PATTERN_IPV6 = Pattern.compile("\\A(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}\\z");
final static String DECISION_INTENT = "de.duenndns.ssl.DECISION";
final static String DECISION_INTENT_ID = DECISION_INTENT + ".decisionId";
final static String DECISION_INTENT_CERT = DECISION_INTENT + ".cert";
@ -421,7 +430,7 @@ public class MemorizingTrustManager {
else
defaultTrustManager.checkClientTrusted(chain, authType);
} catch (CertificateException e) {
if (domain != null && isServer) {
if (domain != null && isServer && !isIp(domain)) {
String hash = getBase64Hash(chain[0],"SHA-256");
List<String> fingerprints = getPoshFingerprints(domain);
if (hash != null && fingerprints.contains(hash)) {
@ -453,6 +462,8 @@ public class MemorizingTrustManager {
List<String> results = new ArrayList<>();
URL url = new URL("https://"+domain+"/.well-known/posh/xmpp-client.json");
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
connection.setConnectTimeout(5000);
connection.setReadTimeout(5000);
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String inputLine;
StringBuilder builder = new StringBuilder();
@ -542,6 +553,15 @@ public class MemorizingTrustManager {
}
}
private static boolean isIp(final String server) {
return server != null && (
PATTERN_IPV4.matcher(server).matches()
|| PATTERN_IPV6.matcher(server).matches()
|| PATTERN_IPV6_6HEX4DEC.matcher(server).matches()
|| PATTERN_IPV6_HEX4DECCOMPRESSED.matcher(server).matches()
|| PATTERN_IPV6_HEXCOMPRESSED.matcher(server).matches());
}
private static String getBase64Hash(X509Certificate certificate, String digest) throws CertificateEncodingException {
MessageDigest md;
try {