fix(rcon): bound alert payloads

This commit is contained in:
simoleo89
2026-06-14 21:40:59 +02:00
parent 11554eae7b
commit aa6dcd1062
4 changed files with 89 additions and 2 deletions
@@ -6,6 +6,9 @@ import com.eu.habbo.messages.ServerMessage;
import com.eu.habbo.messages.outgoing.generic.alerts.GenericAlertComposer;
import com.eu.habbo.messages.outgoing.generic.alerts.StaffAlertWithLinkComposer;
import com.google.gson.Gson;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;
import java.util.Map;
@@ -37,9 +40,13 @@ public class HotelAlert extends RCONMessage<HotelAlert.JSONHotelAlert> {
static class JSONHotelAlert {
@NotBlank(message = "invalid message")
@Size(max = 4096, message = "invalid message")
public String message;
@Size(max = 2048, message = "invalid url")
@Pattern(regexp = "^$|https?://.+", message = "invalid url")
public String url = "";
}
}
@@ -5,6 +5,10 @@ import com.eu.habbo.habbohotel.users.Habbo;
import com.eu.habbo.messages.outgoing.generic.alerts.BubbleAlertComposer;
import com.google.gson.Gson;
import gnu.trove.map.hash.THashMap;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Positive;
import jakarta.validation.constraints.Size;
public class ImageAlertUser extends RCONMessage<ImageAlertUser.JSON> {
public ImageAlertUser() {
@@ -51,27 +55,39 @@ public class ImageAlertUser extends RCONMessage<ImageAlertUser.JSON> {
static class JSON {
@Positive(message = "invalid user")
public int user_id;
@NotBlank(message = "invalid bubble")
@Size(max = 64, message = "invalid bubble")
@Pattern(regexp = "[A-Za-z0-9_.-]+", message = "invalid bubble")
public String bubble_key = "";
@Size(max = 4096, message = "invalid message")
public String message = "";
@Size(max = 2048, message = "invalid url")
@Pattern(regexp = "^$|https?://.+", message = "invalid url")
public String url = "";
@Size(max = 256, message = "invalid url title")
public String url_message = "";
@Size(max = 256, message = "invalid title")
public String title = "";
@Size(max = 32, message = "invalid display")
@Pattern(regexp = "^$|[A-Za-z0-9_.-]+", message = "invalid display")
public String display_type = "";
@Size(max = 2048, message = "invalid image")
public String image = "";
}
}
}
@@ -6,6 +6,9 @@ import com.eu.habbo.messages.ServerMessage;
import com.eu.habbo.messages.outgoing.generic.alerts.BubbleAlertComposer;
import com.google.gson.Gson;
import gnu.trove.map.hash.THashMap;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;
import java.util.Map;
@@ -55,24 +58,35 @@ public class ImageHotelAlert extends RCONMessage<ImageHotelAlert.JSON> {
static class JSON {
@NotBlank(message = "invalid bubble")
@Size(max = 64, message = "invalid bubble")
@Pattern(regexp = "[A-Za-z0-9_.-]+", message = "invalid bubble")
public String bubble_key = "";
@Size(max = 4096, message = "invalid message")
public String message = "";
@Size(max = 2048, message = "invalid url")
@Pattern(regexp = "^$|https?://.+", message = "invalid url")
public String url = "";
@Size(max = 256, message = "invalid url title")
public String url_message = "";
@Size(max = 256, message = "invalid title")
public String title = "";
@Size(max = 32, message = "invalid display")
@Pattern(regexp = "^$|[A-Za-z0-9_.-]+", message = "invalid display")
public String display_type = "";
@Size(max = 2048, message = "invalid image")
public String image = "";
}
}
}
@@ -0,0 +1,50 @@
package com.eu.habbo.messages.rcon;
import org.junit.jupiter.api.Test;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.junit.jupiter.api.Assertions.assertTrue;
class AlertPayloadGuardTest {
@Test
void hotelAlertPayloadIsBoundedAndUrlValidated() throws Exception {
String source = Files.readString(Path.of("src/main/java/com/eu/habbo/messages/rcon/HotelAlert.java"));
assertTrue(source.contains("@NotBlank(message = \"invalid message\")"),
"HotelAlert must reject blank global alerts");
assertTrue(source.contains("@Size(max = 4096"),
"HotelAlert must bound global alert text");
assertTrue(source.contains("@Pattern(regexp = \"^$|https?://.+\""),
"HotelAlert must reject non-http alert links");
}
@Test
void imageHotelAlertPayloadIsBounded() throws Exception {
String source = Files.readString(Path.of("src/main/java/com/eu/habbo/messages/rcon/ImageHotelAlert.java"));
assertTrue(source.contains("@NotBlank(message = \"invalid bubble\")"),
"ImageHotelAlert must require a bubble key");
assertTrue(source.contains("@Pattern(regexp = \"[A-Za-z0-9_.-]+\""),
"ImageHotelAlert bubble keys must be constrained to safe token characters");
assertTrue(source.contains("@Size(max = 2048"),
"ImageHotelAlert URL/image fields must be bounded");
assertTrue(source.contains("@Pattern(regexp = \"^$|https?://.+\""),
"ImageHotelAlert must reject non-http links");
}
@Test
void imageUserAlertPayloadIsBoundedAndTargetsValidUsers() throws Exception {
String source = Files.readString(Path.of("src/main/java/com/eu/habbo/messages/rcon/ImageAlertUser.java"));
assertTrue(source.contains("@Positive(message = \"invalid user\")"),
"ImageAlertUser must reject invalid target users before execution");
assertTrue(source.contains("@NotBlank(message = \"invalid bubble\")"),
"ImageAlertUser must require a bubble key");
assertTrue(source.contains("@Size(max = 4096"),
"ImageAlertUser must bound alert text");
assertTrue(source.contains("@Pattern(regexp = \"^$|https?://.+\""),
"ImageAlertUser must reject non-http links");
}
}