config: add ignorecase rule types

Signed-off-by: pengzhile <[email protected]>

src/main/java/io/zhile/research/ja/netfilter/Launcher.java

@@ -9,7 +9,7 @@ import java.net.URL;
 import java.util.jar.JarFile;
 
 public class Launcher {
-    private static final String VERSION = "v1.1.5";
+    private static final String VERSION = "v1.1.6";
 
     public static void main(String[] args) {
         printUsage();

src/main/java/io/zhile/research/ja/netfilter/commons/ConfigParser.java

@@ -44,11 +44,7 @@ public class ConfigParser {
                             throw new Exception("Empty section name! Line: " + lineNumber);
                         }
 
-                        lastSection = section;
-                        if (null == map.get(lastSection)) {
-                            // do NOT override existing sections
-                            map.put(lastSection, new ArrayList<>());
-                        }
+                        map.computeIfAbsent(lastSection = section, k -> new ArrayList<>());
                         break;
                     case '#':
                     case ';':

src/main/java/io/zhile/research/ja/netfilter/enums/RuleType.java

@@ -4,10 +4,14 @@ import io.zhile.research.ja.netfilter.rulers.*;
 
 public enum RuleType {
     PREFIX(new PrefixRuler()),
+    PREFIX_IC(new PrefixICRuler()),
     SUFFIX(new SuffixRuler()),
+    SUFFIX_IC(new SuffixICRuler()),
     KEYWORD(new KeywordRuler()),
-    REGEXP(new RegExpRuler()),
-    EQUAL(new EqualRuler());
+    KEYWORD_IC(new KeywordICRuler()),
+    EQUAL(new EqualRuler()),
+    EQUAL_IC(new EqualICRuler()),
+    REGEXP(new RegExpRuler());
 
     private final Ruler ruler;
 

src/main/java/io/zhile/research/ja/netfilter/rulers/EqualICRuler.java

@@ -0,0 +1,8 @@
+package io.zhile.research.ja.netfilter.rulers;
+
+public class EqualICRuler implements Ruler {
+    @Override
+    public boolean test(String rule, String content) {
+        return content.equalsIgnoreCase(rule);
+    }
+}

src/main/java/io/zhile/research/ja/netfilter/rulers/KeywordICRuler.java

@@ -0,0 +1,8 @@
+package io.zhile.research.ja.netfilter.rulers;
+
+public class KeywordICRuler implements Ruler {
+    @Override
+    public boolean test(String rule, String content) {
+        return content.toLowerCase().contains(rule.toLowerCase());
+    }
+}

src/main/java/io/zhile/research/ja/netfilter/rulers/PrefixICRuler.java

@@ -0,0 +1,8 @@
+package io.zhile.research.ja.netfilter.rulers;
+
+public class PrefixICRuler implements Ruler {
+    @Override
+    public boolean test(String rule, String content) {
+        return content.toLowerCase().startsWith(rule.toLowerCase());
+    }
+}

src/main/java/io/zhile/research/ja/netfilter/rulers/SuffixICRuler.java

@@ -0,0 +1,8 @@
+package io.zhile.research.ja.netfilter.rulers;
+
+public class SuffixICRuler implements Ruler {
+    @Override
+    public boolean test(String rule, String content) {
+        return content.toLowerCase().endsWith(rule.toLowerCase());
+    }
+}