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Code Issues Projects Releases Wiki Activity

Better support for malformed json packets #528

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This commit is contained in:
Myles 2016-11-14 12:03:22 +00:00
parent fac7eab59e
commit f4eeb94a2e
1 changed files with 20 additions and 3 deletions
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23
common/src/main/java/us/myles/ViaVersion/protocols/base/BaseProtocol.java
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@ -1,6 +1,7 @@
package us.myles.ViaVersion.protocols.base;
import com.google.common.base.Joiner;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import io.netty.channel.ChannelFuture;
@ -44,10 +45,26 @@ public class BaseProtocol extends Protocol {
ProtocolInfo info = wrapper.user().get(ProtocolInfo.class);
String originalStatus = wrapper.get(Type.STRING, 0);
try {
JsonObject json = GsonUtil.getGson().fromJson(originalStatus, JsonObject.class);
JsonObject version = json.get("version").getAsJsonObject();
int protocolVersion = ((Long) version.get("protocol").getAsLong()).intValue();
JsonElement json = GsonUtil.getGson().fromJson(originalStatus, JsonElement.class);
JsonObject version;
int protocolVersion = 0; // Unknown!
if (json.isJsonObject()) {
if (json.getAsJsonObject().has("version")) {
version = json.getAsJsonObject().get("version").getAsJsonObject();
if (version.has("protocol")) {
protocolVersion = ((Long) version.get("protocol").getAsLong()).intValue();
}
} else {
version = new JsonObject();
json.getAsJsonObject().add("version", version);
}
} else {
// Format properly
json = new JsonObject();
version = new JsonObject();
json.getAsJsonObject().add("version", version);
}
if (Via.getConfig().isSendSupportedVersions()) //Send supported versions
version.add("supportedVersions", GsonUtil.getGson().toJsonTree(Via.getAPI().getSupportedVersions()));