#1104 Whitelist sensitive commands also when used with "authme:" prefix

src/main/java/fr/xephi/authme/output/LogFilterHelper.java

@@ -3,6 +3,10 @@ package fr.xephi.authme.output;
 import com.google.common.annotations.VisibleForTesting;
 import fr.xephi.authme.util.StringUtils;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Service class for the log filters.
  */
@@ -11,11 +15,10 @@ final class LogFilterHelper {
     private static final String ISSUED_COMMAND_TEXT = "issued server command:";
 
     @VisibleForTesting
-    static final String[] COMMANDS_TO_SKIP = {
+    static final List<String> COMMANDS_TO_SKIP = withAndWithoutAuthMePrefix(
         "/login ", "/l ", "/log ", "/register ", "/reg ", "/unregister ", "/unreg ",
         "/changepassword ", "/cp ", "/changepass ", "/authme register ",  "/authme reg ", "/authme r ",
-        "/authme changepassword ", "/authme password ", "/authme changepass ", "/authme cp "
-    };
+        "/authme changepassword ", "/authme password ", "/authme changepass ", "/authme cp ");
 
     private LogFilterHelper() {
         // Util class
@@ -35,4 +38,13 @@ final class LogFilterHelper {
         String lowerMessage = message.toLowerCase();
         return lowerMessage.contains(ISSUED_COMMAND_TEXT) && StringUtils.containsAny(lowerMessage, COMMANDS_TO_SKIP);
     }
+
+    private static List<String> withAndWithoutAuthMePrefix(String... commands) {
+        List<String> commandList = new ArrayList<>(commands.length * 2);
+        for (String command : commands) {
+            commandList.add(command);
+            commandList.add(command.substring(0, 1) + "authme:" + command.substring(1));
+        }
+        return Collections.unmodifiableList(commandList);
+    }
 }

src/main/java/fr/xephi/authme/util/StringUtils.java

@@ -42,7 +42,7 @@ public final class StringUtils {
      *
      * @return True if the string contains at least one of the items
      */
-    public static boolean containsAny(String str, String... pieces) {
+    public static boolean containsAny(String str, Iterable<String> pieces) {
         if (str == null) {
             return false;
         }

src/test/java/fr/xephi/authme/output/LogFilterHelperTest.java

@@ -1,6 +1,6 @@
 package fr.xephi.authme.output;
 
-import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
 import fr.xephi.authme.command.CommandDescription;
 import fr.xephi.authme.command.CommandInitializer;
 import org.junit.Test;
@@ -38,7 +38,7 @@ public class LogFilterHelperTest {
             .toArray(String[]::new);
 
         // when / then
-        assertThat(Arrays.asList(LogFilterHelper.COMMANDS_TO_SKIP), containsInAnyOrder(expectedEntries));
+        assertThat(LogFilterHelper.COMMANDS_TO_SKIP, containsInAnyOrder(expectedEntries));
 
     }
 
@@ -59,21 +59,30 @@ public class LogFilterHelperTest {
 
     /**
      * Returns all "command syntaxes" from which the given command can be reached.
-     * For example, the result might be a List containing "/authme changepassword", "/authme changepass"
-     * and "/authme cp".
+     * For example, the result might be a List containing "/authme changepassword", "/authme changepass",
+     * "/authme cp", "/authme:authme changepassword" etc.
      *
      * @param command the command to build syntaxes for
      * @return command syntaxes
      */
     private static List<String> buildCommandSyntaxes(CommandDescription command) {
-        // assumes that parent can only have one label -> if this fails in the future, we need to revise this method
-        Preconditions.checkArgument(command.getParent() == null || command.getParent().getLabels().size() == 1);
+        List<String> prefixes = getCommandPrefixes(command);
 
-        String prefix = command.getParent() == null
-            ? "/"
-            : "/" + command.getParent().getLabels().get(0) + " ";
-        return command.getLabels().stream()
-            .map(label -> prefix + label)
+        return command.getLabels()
+            .stream()
+            .map(label -> Lists.transform(prefixes, p -> p + label))
+            .flatMap(List::stream)
+            .collect(Collectors.toList());
+    }
+
+    private static List<String> getCommandPrefixes(CommandDescription command) {
+        if (command.getParent() == null) {
+            return Arrays.asList("/", "/authme:");
+        }
+        return command.getParent().getLabels()
+            .stream()
+            .map(label -> new String[]{"/" + label + " ", "/authme:" + label + " "})
+            .flatMap(Arrays::stream)
             .collect(Collectors.toList());
     }
 }

src/test/java/fr/xephi/authme/util/StringUtilsTest.java

@@ -5,6 +5,7 @@ import org.junit.Test;
 
 import java.net.MalformedURLException;
 
+import static java.util.Arrays.asList;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.greaterThan;
 import static org.junit.Assert.assertFalse;
@@ -23,7 +24,7 @@ public class StringUtilsTest {
         String piece = "test";
 
         // when
-        boolean result = StringUtils.containsAny(text, "some", "words", "that", "do not", "exist", piece);
+        boolean result = StringUtils.containsAny(text, asList("some", "words", "that", "do not", "exist", piece));
 
         // then
         assertThat(result, equalTo(true));
@@ -35,7 +36,7 @@ public class StringUtilsTest {
         String text = "This is a test string";
 
         // when
-        boolean result = StringUtils.containsAny(text, "some", "other", "words", null);
+        boolean result = StringUtils.containsAny(text, asList("some", "other", "words", null));
 
         // then
         assertThat(result, equalTo(false));
@@ -44,7 +45,7 @@ public class StringUtilsTest {
     @Test
     public void shouldReturnFalseForNullString() {
         // given/when
-        boolean result = StringUtils.containsAny(null, "some", "words", "to", "check");
+        boolean result = StringUtils.containsAny(null, asList("some", "words", "to", "check"));
 
         // then
         assertThat(result, equalTo(false));