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Clarify that shadowbanned strings should be provided in lower-case. 

And also make that check essentially be case-insentive as well as case-sensitive (check them both).
This commit is contained in:
Andy Janata 2018-03-26 09:58:00 -07:00
parent 6e6bf612dc
commit ace019d7d9
2 changed files with 7 additions and 2 deletions
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6
src/main/java/net/socialgamer/cah/util/ChatFilter.java
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@ -26,6 +26,7 @@ package net.socialgamer.cah.util;
import java.util.Collections; import java.util.Collections;
import java.util.LinkedList; import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.Locale;
import java.util.Map; import java.util.Map;
import java.util.Properties; import java.util.Properties;
import java.util.Set; import java.util.Set;
@ -152,9 +153,12 @@ public class ChatFilter {
} }
} }
final String messageLower = message.toLowerCase(Locale.ENGLISH);
// TODO keep track of how much someone does this and perma-shadowban them... // TODO keep track of how much someone does this and perma-shadowban them...
for (final String banned : getShadowbanCharacters()) { for (final String banned : getShadowbanCharacters()) {
if (message.contains(banned)) { // assume that the banned strings are already lowercase
// check both ways in case it decides lowercase of some unicode is not what we want though
if (message.contains(banned) || messageLower.contains(banned)) {
LOG.info(String.format( LOG.info(String.format(
"Dropping message '%s' from user %s (%s); contains banned string %s.", message, "Dropping message '%s' from user %s (%s); contains banned string %s.", message,
user.getNickname(), user.getHostname(), banned)); user.getNickname(), user.getHostname(), banned));

3
src/main/java/net/socialgamer/cah/util/ShadowBannedStringProvider.java
View File

@ -28,7 +28,8 @@ import java.util.Set;
public interface ShadowBannedStringProvider { public interface ShadowBannedStringProvider {
/** /**
* A message that contains any string in this set should be silently dropped: not forwarded to any * A message that contains any string in this set should be silently dropped: not forwarded to any
* other user nor inform the originating user that the message was dropped. * other user nor inform the originating user that the message was dropped. These should all be in
* lower-case unless the case matters for what they look like.
*/ */
Set<String> getShadowBannedStrings(); Set<String> getShadowBannedStrings();
} }