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Kick player with invalid chain data for additional security

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The client should disallow players to join servers if they're not logged in, however this just adds a second layer of security in the event that it's somehow bypassed.
This commit is contained in:
RednedEpic 2020-08-12 10:42:02 -05:00
parent e02495ca7f
commit e2a9566926
1 changed files with 4 additions and 0 deletions
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4
connector/src/main/java/org/geysermc/connector/utils/LoginEncryptionUtils.java
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@ -105,6 +105,10 @@ public class LoginEncryptionUtils {
connector.getLogger().debug(String.format("Is player data valid? %s", validChain)); connector.getLogger().debug(String.format("Is player data valid? %s", validChain));
if (!validChain) {
session.disconnect(LanguageUtils.getLocaleStringLog("geyser.auth.login.form.notice.desc"));
return;
}
JWSObject jwt = JWSObject.parse(certChainData.get(certChainData.size() - 1).asText()); JWSObject jwt = JWSObject.parse(certChainData.get(certChainData.size() - 1).asText());
JsonNode payload = JSON_MAPPER.readTree(jwt.getPayload().toBytes()); JsonNode payload = JSON_MAPPER.readTree(jwt.getPayload().toBytes());