From 17f1a62504f90390563e347ed33b5bfbcaf5e920 Mon Sep 17 00:00:00 2001
From: HoneyryderChuck <cardoso_tiago@hotmail.com>
Date: Wed, 8 May 2024 18:06:04 +0100
Subject: [PATCH] Revert "Fixing ASN1Data encoding and decoding"

This reverts commit 2721c73e07b501cc8c4c5bc9dbb31f1d6dea6b7a.
---
 src/main/java/org/jruby/ext/openssl/ASN1.java | 62 +++++--------------
 1 file changed, 15 insertions(+), 47 deletions(-)

diff --git a/src/main/java/org/jruby/ext/openssl/ASN1.java b/src/main/java/org/jruby/ext/openssl/ASN1.java
index 1adefd64..2444d9e9 100644
--- a/src/main/java/org/jruby/ext/openssl/ASN1.java
+++ b/src/main/java/org/jruby/ext/openssl/ASN1.java
@@ -934,7 +934,7 @@ private static RubyString name(final ThreadContext context, IRubyObject value,
     } // ObjectId
 
     static IRubyObject decodeObject(final ThreadContext context,
-        final RubyModule ASN1, final ASN1Encodable obj)
+        final RubyModule ASN1, final org.bouncycastle.asn1.ASN1Encodable obj)
         throws IOException, IllegalArgumentException {
         final Ruby runtime = context.runtime;
 
@@ -1046,34 +1046,20 @@ else if ( obj instanceof ASN1GraphicString ) {
 
         if (obj instanceof ASN1TaggedObject) {
             final ASN1TaggedObject taggedObj = (ASN1TaggedObject) obj;
-            // IRubyObject val = decodeObject(context, ASN1, taggedObj.getBaseObject());
-            IRubyObject tag = runtime.newFixnum( taggedObj.getTagNo() );
-            IRubyObject tag_class;
-            switch(taggedObj.getTagClass()) {
-                case BERTags.PRIVATE:
-                  tag_class = runtime.newSymbol("PRIVATE");
-                  break;
-                case BERTags.APPLICATION:
-                  tag_class = runtime.newSymbol("APPLICATION");
-                  break;
-                case BERTags.CONTEXT_SPECIFIC:
-                  tag_class = runtime.newSymbol("CONTEXT_SPECIFIC");
-                  break;
-                default:
-                  tag_class = runtime.newSymbol("UNIVERSAL");
-                  break;
-            }
-
-            final ASN1Encodable taggedBaseObj = taggedObj.getBaseObject();
-
-            // TODO: how to infer that this tagged object is constructed
-            if (taggedBaseObj instanceof ASN1Sequence) {
-                final ASN1Sequence sequence = (ASN1Sequence) taggedBaseObj;
+            if (taggedObj.getTagClass() == BERTags.APPLICATION) {
+                IRubyObject tag = runtime.newFixnum( taggedObj.getTagNo() );
+                IRubyObject tag_class = runtime.newSymbol("APPLICATION");
+                final ASN1Sequence sequence = (ASN1Sequence) taggedObj.getBaseUniversal(false, SEQUENCE);
+                @SuppressWarnings("unchecked")
                 final RubyArray valArr = decodeObjects(context, ASN1, sequence.getObjects());
                 return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { valArr, tag, tag_class }, Block.NULL_BLOCK);
+            } else {
+                IRubyObject val = decodeObject(context, ASN1, taggedObj.getBaseObject());
+                IRubyObject tag = runtime.newFixnum( taggedObj.getTagNo() );
+                IRubyObject tag_class = runtime.newSymbol("CONTEXT_SPECIFIC");
+                final RubyArray valArr = runtime.newArray(val);
+                return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { valArr, tag, tag_class }, Block.NULL_BLOCK);
             }
-
-            return ASN1.getClass("ASN1Data").newInstance(context, new IRubyObject[] { decodeObject(context, ASN1, taggedBaseObj).callMethod(context, "value"), tag, tag_class }, Block.NULL_BLOCK);
         }
 
         if ( obj instanceof ASN1Sequence ) {
@@ -1381,23 +1367,8 @@ ASN1Encodable toASN1(final ThreadContext context) {
 
         final ASN1TaggedObject toASN1TaggedObject(final ThreadContext context) {
             final int tag = getTag(context);
-            final RubyModule ASN1 = _ASN1(context.runtime);
-
-            IRubyObject value = callMethod(context, "value");
-            final IRubyObject tagClass = callMethod(context, "tag_class");
-            int berTag;
-            String tagClassName = tagClass.toString();
-
-            if (tagClassName.equals("PRIVATE")) {
-                berTag = BERTags.PRIVATE;
-            } else if (tagClassName.equals("APPLICATION")) {
-                berTag = BERTags.APPLICATION;
-            } else if (tagClassName.equals("CONTEXT_SPECIFIC")) {
-                berTag = BERTags.CONTEXT_SPECIFIC;
-            } else {
-                berTag = BERTags.UNIVERSAL;
-            }
 
+            final IRubyObject value = callMethod(context, "value");
             if (value instanceof RubyArray) {
                 final RubyArray arr = (RubyArray) value;
                 assert ! arr.isEmpty();
@@ -1408,16 +1379,13 @@ final ASN1TaggedObject toASN1TaggedObject(final ThreadContext context) {
                     if ( data == null ) break;
                     vec.add( data );
                 }
-
-                // TODO: it's not possible to generate a constructed tagged object, bc raises exception
-                // berTag = berTag | BERTags.CONSTRUCTED;
-                return new DERTaggedObject(isExplicitTagging(), berTag, tag, new DERSequence(vec));
+                return new DERTaggedObject(isExplicitTagging(), tag, new DERSequence(vec));
             }
 
             if (!(value instanceof ASN1Data)) {
                 throw new UnsupportedOperationException("toASN1 " + inspect() + " value: " + value.inspect() + " (" + value.getMetaClass() + ")");
             }
-            return new DERTaggedObject(isExplicitTagging(), berTag, tag, ((ASN1Data) value).toASN1(context));
+            return new DERTaggedObject(isExplicitTagging(), tag, ((ASN1Data) value).toASN1(context));
         }
 
         @JRubyMethod