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Ignore CUI connections with more than 3 failed attempts.

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This commit is contained in:
Matthew Miller 2018-02-28 10:59:00 +10:00
parent df1a1d5183
commit 52263ac3b7
1 changed files with 10 additions and 1 deletions
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11
worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java
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@ -65,6 +65,7 @@ public class LocalSession {
// Non-session related fields
private transient LocalConfiguration config;
private transient final AtomicBoolean dirty = new AtomicBoolean();
private transient int failedCuiAttempts = 0;
// Session related
private transient RegionSelector selector = new CuboidRegionSelector();
@ -772,14 +773,22 @@ public class LocalSession {
*/
public void handleCUIInitializationMessage(String text) {
checkNotNull(text);
if (this.failedCuiAttempts > 3) {
return;
}
String[] split = text.split("\\|");
String[] split = text.split("\\|", 2);
if (split.length > 1 && split[0].equalsIgnoreCase("v")) { // enough fields and right message
if (split[1].length() > 4) {
this.failedCuiAttempts ++;
return;
}
setCUISupport(true);
try {
setCUIVersion(Integer.parseInt(split[1]));
} catch (NumberFormatException e) {
WorldEdit.logger.warning("Error while reading CUI init message: " + e.getMessage());
this.failedCuiAttempts ++;
}
}
}