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Code Issues 103 Projects Releases Wiki Activity

Make geyser connectiontest command more foolproof (#3951)

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Co-authored-by: Camotoy <20743703+Camotoy@users.noreply.github.com>
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chris 2023-09-06 05:16:44 +02:00 committed by GitHub
parent bf81fc1139
commit 0d5cb51d5f
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3 changed files with 107 additions and 24 deletions
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122
core/src/main/java/org/geysermc/geyser/command/defaults/ConnectionTestCommand.java
View file

@ -26,8 +26,8 @@
package org.geysermc.geyser.command.defaults;
import com.fasterxml.jackson.databind.JsonNode;
import org.geysermc.geyser.api.util.PlatformType;
import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.api.util.PlatformType;
import org.geysermc.geyser.command.GeyserCommand;
import org.geysermc.geyser.command.GeyserCommandSource;
import org.geysermc.geyser.session.GeyserSession;
@ -36,11 +36,20 @@ import org.geysermc.geyser.util.LoopbackUtil;
import org.geysermc.geyser.util.WebUtils;
import org.jetbrains.annotations.Nullable;
import java.util.Random;
import java.util.concurrent.CompletableFuture;
public class ConnectionTestCommand extends GeyserCommand {
/*
* The MOTD is temporarily changed during the connection test.
* This allows us to check if we are pinging the correct Geyser instance
*/
public static String CONNECTION_TEST_MOTD = null;
private final GeyserImpl geyser;
private final Random random = new Random();
public ConnectionTestCommand(GeyserImpl geyser, String name, String description, String permission) {
super(name, description, permission);
this.geyser = geyser;
@ -55,23 +64,61 @@ public class ConnectionTestCommand extends GeyserCommand {
}
if (args.length == 0) {
sender.sendMessage("Provide the Bedrock server IP you are trying to connect with. Example: `test.geysermc.org:19132`");
sender.sendMessage("Provide the server IP and port you are trying to test Bedrock connections for. Example: `test.geysermc.org:19132`");
return;
}
// Replace "<" and ">" symbols if they are present to avoid the common issue of people including them
String[] fullAddress = args[0].replace("<", "").replace(">", "").split(":", 2);
// Still allow people to not supply a port and fallback to 19132
String[] fullAddress = args[0].split(":", 2);
int port;
if (fullAddress.length == 2) {
port = Integer.parseInt(fullAddress[1]);
try {
port = Integer.parseInt(fullAddress[1]);
} catch (NumberFormatException e) {
// can occur if e.g. "/geyser connectiontest <ip>:<port> is ran
sender.sendMessage("Not a valid port! Specify a valid numeric port.");
return;
}
} else {
port = 19132;
}
String ip = fullAddress[0];
// Issue: people commonly checking placeholders
if (ip.equals("ip")) {
sender.sendMessage(ip + " is not a valid IP, and instead a placeholder. Please specify the IP to check.");
return;
}
// Issue: checking 0.0.0.0 won't work
if (ip.equals("0.0.0.0")) {
sender.sendMessage("Please specify the IP that you would connect with. 0.0.0.0 in the config tells Geyser to the listen on the server's IPv4.");
return;
}
// Issue: people testing local ip
if (ip.equals("localhost") || ip.startsWith("127.") || ip.startsWith("10.") || ip.startsWith("192.168.")) {
sender.sendMessage("This tool checks if connections from other networks are possible, so you cannot check a local IP.");
return;
}
// Issue: do the ports not line up?
if (port != geyser.getConfig().getBedrock().port()) {
sender.sendMessage("The port you supplied (" + port + ") does not match the port supplied in Geyser's configuration ("
+ geyser.getConfig().getBedrock().port() + "). You can change it under `bedrock` `port`.");
if (fullAddress.length == 2) {
sender.sendMessage("The port you are testing with (" + port + ") is not the same as you set in your Geyser configuration ("
+ geyser.getConfig().getBedrock().port() + ")");
sender.sendMessage("Re-run the command with the port in the config, or change the `bedrock` `port` in the config.");
if (geyser.getConfig().getBedrock().isCloneRemotePort()) {
sender.sendMessage("You have `clone-remote-port` enabled. This option ignores the `bedrock` `port` in the config, and uses the Java server port instead.");
}
} else {
sender.sendMessage("You did not specify the port to check (add it with \":<port>\"), " +
"and the default port 19132 does not match the port in your Geyser configuration ("
+ geyser.getConfig().getBedrock().port() + ")!");
sender.sendMessage("Re-run the command with that port, or change the port in the config under `bedrock` `port`.");
}
}
// Issue: is the `bedrock` `address` in the config different?
@ -79,7 +126,7 @@ public class ConnectionTestCommand extends GeyserCommand {
sender.sendMessage("The address specified in `bedrock` `address` is not \"0.0.0.0\" - this may cause issues unless this is deliberate and intentional.");
}
// Issue: did someone turn on enable-proxy-protocol and they didn't mean it?
// Issue: did someone turn on enable-proxy-protocol, and they didn't mean it?
if (geyser.getConfig().getBedrock().isEnableProxyProtocol()) {
sender.sendMessage("You have the `enable-proxy-protocol` setting enabled. " +
"Unless you're deliberately using additional software that REQUIRES this setting, you may not need it enabled.");
@ -88,7 +135,6 @@ public class ConnectionTestCommand extends GeyserCommand {
CompletableFuture.runAsync(() -> {
try {
// Issue: SRV record?
String ip = fullAddress[0];
String[] record = WebUtils.findSrvRecord(geyser, ip);
if (record != null && !ip.equals(record[3]) && !record[2].equals(String.valueOf(port))) {
sender.sendMessage("Bedrock Edition does not support SRV records. Try connecting to your server using the address " + record[3] + " and the port " + record[2]
@ -102,20 +148,50 @@ public class ConnectionTestCommand extends GeyserCommand {
"See here for steps on how to resolve: " + "https://wiki.geysermc.org/geyser/fixing-unable-to-connect-to-world/#using-geyser-on-the-same-computer");
}
// mcsrvstatus will likely be replaced in the future with our own service where we can also test
// around the OVH workaround without worrying about caching
JsonNode output = WebUtils.getJson("https://api.mcsrvstat.us/bedrock/2/" + args[0]);
// Generate some random, unique bits that another server wouldn't provide
byte[] randomBytes = new byte[2];
this.random.nextBytes(randomBytes);
StringBuilder randomStr = new StringBuilder();
for (byte b : randomBytes) {
randomStr.append(Integer.toHexString(b));
}
String connectionTestMotd = "Geyser Connection Test " + randomStr;
CONNECTION_TEST_MOTD = connectionTestMotd;
long cacheTime = output.get("debug").get("cachetime").asLong();
String when;
if (cacheTime == 0) {
when = "now";
} else {
when = ((System.currentTimeMillis() / 1000L) - cacheTime) + " seconds ago";
sender.sendMessage("Testing server connection now. Please wait...");
JsonNode output;
try {
output = WebUtils.getJson("https://checker.geysermc.org/ping?hostname=" + ip + "&port=" + port);
} finally {
CONNECTION_TEST_MOTD = null;
}
if (output.get("online").asBoolean()) {
sender.sendMessage("Your server is likely online as of " + when + "!");
JsonNode cache = output.get("cache");
String when;
if (cache.get("fromCache").asBoolean()) {
when = cache.get("secondsSince").asInt() + " seconds ago";
} else {
when = "now";
}
if (output.get("success").asBoolean()) {
JsonNode ping = output.get("ping");
JsonNode pong = ping.get("pong");
String remoteMotd = pong.get("motd").asText();
if (!connectionTestMotd.equals(remoteMotd)) {
sender.sendMessage("The MOTD did not match when we pinged the server (we got '" + remoteMotd + "'). " +
"Did you supply the correct IP and port of your server?");
sendLinks(sender);
return;
}
if (ping.get("tcpFirst").asBoolean()) {
sender.sendMessage("Your server hardware likely has some sort of firewall preventing people from joining easily. See https://geysermc.link/ovh-firewall for more information.");
sendLinks(sender);
return;
}
sender.sendMessage("Your server is likely online and working as of " + when + "!");
sendLinks(sender);
return;
}
@ -123,16 +199,16 @@ public class ConnectionTestCommand extends GeyserCommand {
sender.sendMessage("Your server is likely unreachable from outside the network as of " + when + ".");
sendLinks(sender);
} catch (Exception e) {
sender.sendMessage("Error while trying to check your connection!");
sender.sendMessage("An error occurred while trying to check your connection! Check the console for more information.");
geyser.getLogger().error("Error while trying to check your connection!", e);
}
});
}
private void sendLinks(GeyserCommandSource sender) {
sender.sendMessage("If you still have issues, check to see if your hosting provider has a specific setup: " +
"https://wiki.geysermc.org/geyser/supported-hosting-providers/" + ", see this page: "
+ "https://wiki.geysermc.org/geyser/fixing-unable-to-connect-to-world/" + ", or contact us on our Discord: " + "https://discord.gg/geysermc");
sender.sendMessage("If you still face issues, check the setup guide for instructions: " +
"https://wiki.geysermc.org/geyser/setup/");
sender.sendMessage("If that does not work, see " + "https://wiki.geysermc.org/geyser/fixing-unable-to-connect-to-world/" + ", or contact us on Discord: " + "https://discord.gg/geysermc");
}
@Override

7
core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java
View file

@ -47,6 +47,7 @@ import org.cloudburstmc.netty.channel.raknet.config.RakChannelOption;
import org.cloudburstmc.netty.handler.codec.raknet.server.RakServerOfflineHandler;
import org.cloudburstmc.protocol.bedrock.BedrockPong;
import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.command.defaults.ConnectionTestCommand;
import org.geysermc.geyser.configuration.GeyserConfiguration;
import org.geysermc.geyser.event.type.GeyserBedrockPingEventImpl;
import org.geysermc.geyser.network.CIDRMatcher;
@ -254,6 +255,12 @@ public final class GeyserServer {
pong.subMotd(GeyserImpl.NAME);
}
if (ConnectionTestCommand.CONNECTION_TEST_MOTD != null) {
// Force-override as we are testing the connection and want to verify we are connecting to the right server through the MOTD
pong.motd(ConnectionTestCommand.CONNECTION_TEST_MOTD);
pong.subMotd(GeyserImpl.NAME);
}
// The ping will not appear if the MOTD + sub-MOTD is of a certain length.
// We don't know why, though
byte[] motdArray = pong.motd().getBytes(StandardCharsets.UTF_8);

2
core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockActionTranslator.java
View file

@ -285,7 +285,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
entity.setOnGround(false); // Increase block break time while jumping
break;
case MISSED_SWING:
// TODO Re-evaluate after pre-1.20.10 is supported?
// TODO Re-evaluate after pre-1.20.10 is no longer supported?
if (session.getArmAnimationTicks() == -1) {
session.sendDownstreamPacket(new ServerboundSwingPacket(Hand.MAIN_HAND));
session.activateArmAnimationTicking();