ProtectDebugInfo: allow wiping of TLVList items.

.gitignore

@@ -1,5 +1,7 @@
 *.swp
 .DS_Store
+modules/*/bin
+.vscode/
 # IDEA Ignores
 *.iml
 *.ipr

modules/txn/src/main/java/org/jpos/transaction/ProtectDebugInfo.java

@@ -23,6 +23,7 @@
 import org.jpos.iso.ISOException;
 import org.jpos.iso.ISOMsg;
 import org.jpos.iso.ISOUtil;
+import org.jpos.tlv.TLVList;
 import org.jpos.util.FSDMsg;
 import org.jpos.util.ProtectedLogListener;
 
@@ -41,6 +42,7 @@
  *        <property name="protect-entry" value="REQUEST" />
  *        <property name="protect-entry" value="RESPONSE" />
  *        <property name="protect-entry" value="PAN" />
+ *        <property name="protect-entry" value="REQUEST_ICC_DATA" />
  *
  *        <property name="wipe-entry" value="EXPDATE" />
  *   
@@ -49,6 +51,11 @@
  *        <property name="protect-ISOMsg" value="45" />
  *        <property name="wipe-ISOMsg" value="52" />
  *        <property name="wipe-ISOMsg" value="55" />
+ * 
+ *        <property name="wipe-TLVList" value="0x56" />
+ *        <property name="wipe-TLVList" value="0x57" />
+ *        <property name="wipe-TLVList" value="0x5a" />
+ *        <property name="wipe-TLVList" value="0x5f20" />
  *
  *        <property name="protect-FSDMsg" value="account-number" />
  *        <property name="protect-FSDMsg" value="track2-data" />
@@ -62,6 +69,7 @@ public class ProtectDebugInfo extends TxnSupport implements AbortParticipant {
      private String[] protectFSD;
      private String[] protectISO;
      private String[] wipeISO;
+     private String[] wipeTLV;
 
      public int prepare (long id, Serializable o) {
          return PREPARED | READONLY;
@@ -105,6 +113,13 @@ private void protect (Context ctx) {
                  if (p != null){
                      ctx.put(s, protect (p));    
                  }
+             }
+             if (o instanceof TLVList) {
+                 TLVList tlv = ctx.get(s);
+                 if (tlv != null) {
+                     for (String t: wipeTLV)
+                        wipeTag(tlv, t);
+                 }
              }  
          }
      }
@@ -131,6 +146,19 @@ private void wipeField (ISOMsg m, String f) {
         }
     }
 
+    static void wipeTag(TLVList tlv, String tag) {
+        if (tlv == null)
+            return;
+        try {
+            int tagName = Integer.decode(tag);
+            if (tlv.hasTag(tagName)) {
+                tlv.deleteByTag(tagName);
+                tlv.append(tagName, ProtectedLogListener.BINARY_WIPED);
+            }                
+        }
+        catch (Throwable ignored) { }        
+    }
+
     private void protectField (FSDMsg m, String f) {
          if (f != null) {
              String s = m.get (f);
@@ -153,9 +181,8 @@ public void setConfiguration (Configuration cfg)
          this.protectedEntrys = cfg.getAll("protect-entry");
          this.wipedEntrys = cfg.getAll("wipe-entry");
          this.protectFSD = cfg.getAll("protect-FSDMsg");
-
          this.protectISO = cfg.getAll("protect-ISOMsg");
          this.wipeISO = cfg.getAll("wipe-ISOMsg");
+         this.wipeTLV = cfg.getAll("wipe-TLVList");
      }
-
  }

modules/txn/src/test/java/org/jpos/transaction/ProtectDebugInfoTest.java

@@ -0,0 +1,36 @@
+package org.jpos.transaction;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+
+import org.jpos.core.ConfigurationException;
+import org.jpos.core.SimpleConfiguration;
+import org.jpos.tlv.TLVList;
+import org.junit.jupiter.api.Test;
+
+public final class ProtectDebugInfoTest {
+
+    @Test
+    void test_wipe_tag() throws ConfigurationException {
+
+        TLVList tlv = new TLVList();
+        tlv.append(0x54, "AABBCCDDEEFF");
+        tlv.append(0x55, "BBDDFFEEDDAA");
+
+        SimpleConfiguration cfg = new SimpleConfiguration();
+        cfg.put("protect-entry", "TEST_ENTRY");
+        cfg.put("wipe-TLVList", "0x54");
+
+        ProtectDebugInfo participant = new ProtectDebugInfo();
+        participant.setConfiguration(cfg);
+
+        Context ctx = new Context();
+        ctx.put("TEST_ENTRY", tlv);
+
+        participant.commit(0, ctx);
+
+        ctx.dump(System.out, " ");
+        assertNotEquals("AABBCCDDEEFF", tlv.getString(0x54));
+        assertEquals("BBDDFFEEDDAA", tlv.getString(0x55));
+    }
+}