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This commit is contained in:
KingRainbow44
2023-04-18 17:17:55 -04:00
parent 75f163f704
commit ee298235c2
44 changed files with 598 additions and 424 deletions
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204
src/main/java/emu/grasscutter/server/http/dispatch/RegionHandler.java
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@@ -1,13 +1,15 @@
package emu.grasscutter.server.http.dispatch;
import static emu.grasscutter.config.Configuration.*;
import com.google.protobuf.ByteString;
import emu.grasscutter.GameConstants;
import emu.grasscutter.Grasscutter;
import emu.grasscutter.Grasscutter.ServerRunMode;
import emu.grasscutter.net.proto.QueryRegionListHttpRspOuterClass.QueryRegionListHttpRsp;
import emu.grasscutter.net.proto.QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp;
import emu.grasscutter.net.proto.RegionSimpleInfoOuterClass.RegionSimpleInfo;
import emu.grasscutter.net.proto.QueryRegionListHttpRspOuterClass.QueryRegionListHttpRsp;
import emu.grasscutter.net.proto.RegionInfoOuterClass.RegionInfo;
import emu.grasscutter.net.proto.RegionSimpleInfoOuterClass.RegionSimpleInfo;
import emu.grasscutter.net.proto.RetcodeOuterClass.Retcode;
import emu.grasscutter.net.proto.StopServerInfoOuterClass.StopServerInfo;
import emu.grasscutter.server.event.dispatch.QueryAllRegionsEvent;
@@ -18,23 +20,13 @@ import emu.grasscutter.utils.Crypto;
import emu.grasscutter.utils.Utils;
import io.javalin.Javalin;
import io.javalin.http.Context;
import java.time.Instant;
import javax.crypto.Cipher;
import java.io.ByteArrayOutputStream;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.security.Signature;
import java.util.regex.Pattern;
import org.slf4j.Logger;
import static emu.grasscutter.config.Configuration.*;
import static emu.grasscutter.utils.Language.translate;
/**
* Handles requests related to region queries.
*/
/** Handles requests related to region queries. */
public final class RegionHandler implements Router {
private static final Map<String, RegionData> regions = new ConcurrentHashMap<>();
private static String regionListResponse;
@@ -48,13 +40,15 @@ public final class RegionHandler implements Router {
}
}
/**
* Configures region data according to configuration.
*/
/** Configures region data according to configuration. */
private void initialize() {
String dispatchDomain = "http" + (HTTP_ENCRYPTION.useInRouting ? "s" : "") + "://"
+ lr(HTTP_INFO.accessAddress, HTTP_INFO.bindAddress) + ":"
+ lr(HTTP_INFO.accessPort, HTTP_INFO.bindPort);
String dispatchDomain =
"http"
+ (HTTP_ENCRYPTION.useInRouting ? "s" : "")
+ "://"
+ lr(HTTP_INFO.accessAddress, HTTP_INFO.bindAddress)
+ ":"
+ lr(HTTP_INFO.accessPort, HTTP_INFO.bindPort);
// Create regions.
List<RegionSimpleInfo> servers = new ArrayList<>();
@@ -62,61 +56,84 @@ public final class RegionHandler implements Router {
var configuredRegions = new ArrayList<>(List.of(DISPATCH_INFO.regions));
if (SERVER.runMode != ServerRunMode.HYBRID && configuredRegions.size() == 0) {
Grasscutter.getLogger().error("[Dispatch] There are no game servers available. Exiting due to unplayable state.");
Grasscutter.getLogger()
.error(
"[Dispatch] There are no game servers available. Exiting due to unplayable state.");
System.exit(1);
} else if (configuredRegions.size() == 0)
configuredRegions.add(new Region("os_usa", DISPATCH_INFO.defaultName,
lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress),
lr(GAME_INFO.accessPort, GAME_INFO.bindPort)));
configuredRegions.add(
new Region(
"os_usa",
DISPATCH_INFO.defaultName,
lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress),
lr(GAME_INFO.accessPort, GAME_INFO.bindPort)));
configuredRegions.forEach(region -> {
if (usedNames.contains(region.Name)) {
Grasscutter.getLogger().error("Region name already in use.");
return;
}
configuredRegions.forEach(
region -> {
if (usedNames.contains(region.Name)) {
Grasscutter.getLogger().error("Region name already in use.");
return;
}
// Create a region identifier.
var identifier = RegionSimpleInfo.newBuilder()
.setName(region.Name).setTitle(region.Title).setType("DEV_PUBLIC")
.setDispatchUrl(dispatchDomain + "/query_cur_region/" + region.Name)
.build();
usedNames.add(region.Name); servers.add(identifier);
// Create a region identifier.
var identifier =
RegionSimpleInfo.newBuilder()
.setName(region.Name)
.setTitle(region.Title)
.setType("DEV_PUBLIC")
.setDispatchUrl(dispatchDomain + "/query_cur_region/" + region.Name)
.build();
usedNames.add(region.Name);
servers.add(identifier);
// Create a region info object.
var regionInfo = RegionInfo.newBuilder()
.setGateserverIp(region.Ip).setGateserverPort(region.Port)
.setSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.build();
// Create an updated region query.
var updatedQuery = QueryCurrRegionHttpRsp.newBuilder().setRegionInfo(regionInfo).build();
regions.put(region.Name, new RegionData(updatedQuery, Utils.base64Encode(updatedQuery.toByteString().toByteArray())));
});
// Create a region info object.
var regionInfo =
RegionInfo.newBuilder()
.setGateserverIp(region.Ip)
.setGateserverPort(region.Port)
.setSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.build();
// Create an updated region query.
var updatedQuery = QueryCurrRegionHttpRsp.newBuilder().setRegionInfo(regionInfo).build();
regions.put(
region.Name,
new RegionData(
updatedQuery, Utils.base64Encode(updatedQuery.toByteString().toByteArray())));
});
// Create a config object.
byte[] customConfig = "{\"sdkenv\":\"2\",\"checkdevice\":\"false\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}".getBytes();
byte[] customConfig =
"{\"sdkenv\":\"2\",\"checkdevice\":\"false\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}"
.getBytes();
Crypto.xor(customConfig, Crypto.DISPATCH_KEY); // XOR the config with the key.
// Create an updated region list.
QueryRegionListHttpRsp updatedRegionList = QueryRegionListHttpRsp.newBuilder()
.addAllRegionList(servers)
.setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.setClientCustomConfigEncrypted(ByteString.copyFrom(customConfig))
.setEnableLoginPc(true).build();
QueryRegionListHttpRsp updatedRegionList =
QueryRegionListHttpRsp.newBuilder()
.addAllRegionList(servers)
.setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.setClientCustomConfigEncrypted(ByteString.copyFrom(customConfig))
.setEnableLoginPc(true)
.build();
// Set the region list response.
regionListResponse = Utils.base64Encode(updatedRegionList.toByteString().toByteArray());
// CN
// Create a config object.
byte[] customConfigcn = "{\"sdkenv\":\"0\",\"checkdevice\":\"true\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}".getBytes();
byte[] customConfigcn =
"{\"sdkenv\":\"0\",\"checkdevice\":\"true\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}"
.getBytes();
Crypto.xor(customConfigcn, Crypto.DISPATCH_KEY); // XOR the config with the key.
// Create an updated region list.
QueryRegionListHttpRsp updatedRegionListcn = QueryRegionListHttpRsp.newBuilder()
.addAllRegionList(servers)
.setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.setClientCustomConfigEncrypted(ByteString.copyFrom(customConfigcn))
.setEnableLoginPc(true).build();
QueryRegionListHttpRsp updatedRegionListcn =
QueryRegionListHttpRsp.newBuilder()
.addAllRegionList(servers)
.setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
.setClientCustomConfigEncrypted(ByteString.copyFrom(customConfigcn))
.setEnableLoginPc(true)
.build();
// Set the region list response.
regionListResponsecn = Utils.base64Encode(updatedRegionListcn.toByteString().toByteArray());
@@ -143,7 +160,8 @@ public final class RegionHandler implements Router {
String platformName = ctx.queryParam("platform");
// Determine the region list to use based on the version and platform.
if ("CNRELiOS".equals(versionCode) || "CNRELWin".equals(versionCode)
if ("CNRELiOS".equals(versionCode)
|| "CNRELWin".equals(versionCode)
|| "CNRELAndroid".equals(versionCode)) {
// Use the CN region list.
QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponsecn);
@@ -152,7 +170,8 @@ public final class RegionHandler implements Router {
// Respond with the event result.
ctx.result(event.getRegionList());
} else if ("OSRELiOS".equals(versionCode) || "OSRELWin".equals(versionCode)
} else if ("OSRELiOS".equals(versionCode)
|| "OSRELWin".equals(versionCode)
|| "OSRELAndroid".equals(versionCode)) {
// Use the OS region list.
QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
@@ -187,7 +206,8 @@ public final class RegionHandler implements Router {
ctx.result(event.getRegionList());
}
// Log the request to the console.
Grasscutter.getLogger().info(String.format("[Dispatch] Client %s request: query_region_list", ctx.ip()));
Grasscutter.getLogger()
.info(String.format("[Dispatch] Client %s request: query_region_list", ctx.ip()));
}
/**
@@ -202,39 +222,53 @@ public final class RegionHandler implements Router {
// Get region data.
String regionData = "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw==";
if (ctx.queryParamMap().values().size() > 0) {
if (region != null)
regionData = region.getBase64();
if (region != null) regionData = region.getBase64();
}
String clientVersion = versionName.replaceAll(Pattern.compile("[a-zA-Z]").pattern(), "");
String[] versionCode = clientVersion.split("\\.");
int versionMajor = Integer.parseInt(versionCode[0]);
int versionMinor = Integer.parseInt(versionCode[1]);
int versionFix = Integer.parseInt(versionCode[2]);
int versionFix = Integer.parseInt(versionCode[2]);
if (versionMajor >= 3 || (versionMajor == 2 && versionMinor == 7 && versionFix >= 50) || (versionMajor == 2 && versionMinor == 8)) {
if (versionMajor >= 3
|| (versionMajor == 2 && versionMinor == 7 && versionFix >= 50)
|| (versionMajor == 2 && versionMinor == 8)) {
try {
QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData); event.call();
QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData);
event.call();
String key_id = ctx.queryParam("key_id");
if (!clientVersion.equals(GameConstants.VERSION)) { // Reject clients when there is a version mismatch
if (!clientVersion.equals(
GameConstants.VERSION)) { // Reject clients when there is a version mismatch
boolean updateClient = GameConstants.VERSION.compareTo(clientVersion) > 0;
QueryCurrRegionHttpRsp rsp = QueryCurrRegionHttpRsp.newBuilder()
.setRetcode(Retcode.RET_STOP_SERVER_VALUE)
.setMsg("Connection Failed!")
.setRegionInfo(RegionInfo.newBuilder())
.setStopServer(StopServerInfo.newBuilder()
.setUrl("https://discord.gg/grasscutters")
.setStopBeginTime((int) Instant.now().getEpochSecond())
.setStopEndTime((int) Instant.now().getEpochSecond()*2)
.setContentMsg(updateClient ? "\nVersion mismatch outdated client! \n\nServer version: %s\nClient version: %s".formatted(GameConstants.VERSION, clientVersion) : "\nVersion mismatch outdated server! \n\nServer version: %s\nClient version: %s".formatted(GameConstants.VERSION, clientVersion))
.build())
.buildPartial();
QueryCurrRegionHttpRsp rsp =
QueryCurrRegionHttpRsp.newBuilder()
.setRetcode(Retcode.RET_STOP_SERVER_VALUE)
.setMsg("Connection Failed!")
.setRegionInfo(RegionInfo.newBuilder())
.setStopServer(
StopServerInfo.newBuilder()
.setUrl("https://discord.gg/grasscutters")
.setStopBeginTime((int) Instant.now().getEpochSecond())
.setStopEndTime((int) Instant.now().getEpochSecond() * 2)
.setContentMsg(
updateClient
? "\nVersion mismatch outdated client! \n\nServer version: %s\nClient version: %s"
.formatted(GameConstants.VERSION, clientVersion)
: "\nVersion mismatch outdated server! \n\nServer version: %s\nClient version: %s"
.formatted(GameConstants.VERSION, clientVersion))
.build())
.buildPartial();
Grasscutter.getLogger().info(String.format("Connection denied for %s due to %s", ctx.ip(), updateClient ? "outdated client!" : "outdated server!"));
Grasscutter.getLogger()
.info(
String.format(
"Connection denied for %s due to %s",
ctx.ip(), updateClient ? "outdated client!" : "outdated server!"));
ctx.json(Crypto.encryptAndSignRegionData(rsp.toByteArray(), key_id));
return;
@@ -251,28 +285,25 @@ public final class RegionHandler implements Router {
return;
}
var regionInfo = Utils.base64Decode(event.getRegionInfo());
ctx.json(Crypto.encryptAndSignRegionData(regionInfo, key_id));
}
catch (Exception e) {
} catch (Exception e) {
Grasscutter.getLogger().error("An error occurred while handling query_cur_region.", e);
}
}
else {
} else {
// Invoke event.
QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData); event.call();
QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData);
event.call();
// Respond with event result.
ctx.result(event.getRegionInfo());
}
// Log to console.
Grasscutter.getLogger().info(String.format("Client %s request: query_cur_region/%s", ctx.ip(), regionName));
Grasscutter.getLogger()
.info(String.format("Client %s request: query_cur_region/%s", ctx.ip(), regionName));
}
/**
* Region data container.
*/
/** Region data container. */
public static class RegionData {
private final QueryCurrRegionHttpRsp regionQuery;
private final String base64;
@@ -293,6 +324,7 @@ public final class RegionHandler implements Router {
/**
* Gets the current region query.
*
* @return A {@link QueryCurrRegionHttpRsp} object.
*/
public static QueryCurrRegionHttpRsp getCurrentRegion() {