fix: get string length for .NET Framework dump

src/Heartbeat.Runtime/Analyzers/LongStringAnalyzer.cs

@@ -62,7 +62,7 @@ public IReadOnlyCollection<LongStringInfo> GetStrings(ObjectGCStatus? status, in
         foreach (var stringClrObject in GetLongestStrings(count, status))
         {
             string value = stringClrObject.AsString(truncateLength ?? 4096)!;
-            var length = stringClrObject.ReadField<int>("_stringLength");
+            var length = stringClrObject.ReadField<int>(Context.GetStringLengthFieldName());
             var size = new Size(stringClrObject.Size);
             result.Add(new LongStringInfo(new(stringClrObject.Address), size, length, value));
         }

src/Heartbeat.Runtime/Analyzers/StringDuplicateAnalyzer.cs

@@ -64,7 +64,7 @@ from clrObject in Context.EnumerateStrings(ObjectGcStatus, Generation)
             }
             else
             {
-                var fullLength = stringInstance.ReadField<int>("_stringLength");
+                var fullLength = stringInstance.ReadField<int>(Context.GetStringLengthFieldName());
                 stringCount[stringValue] = new StringDuplicateInfo(1, fullLength);
             }
         }

src/Heartbeat.Runtime/RuntimeContext.cs

@@ -1,4 +1,3 @@
-
 using Heartbeat.Runtime.Domain;
 using Heartbeat.Runtime.Extensions;
 using Heartbeat.Runtime.Models;
@@ -45,6 +44,13 @@ public string GetAutoPropertyFieldName(string propertyName)
         throw new NotImplementedException();
     }
 
+    public string GetStringLengthFieldName()
+    {
+        return IsCoreRuntime
+            ? "_stringLength"
+            : "m_stringLength";
+    }
+
     public IEnumerable<ulong> EnumerateObjectAddressesByTypeName(string typeName, ObjectGCStatus? status)
     {
         var clrType = Heap.GetTypeByName(typeName);
@@ -74,7 +80,7 @@ where obj.IsValid
     }
 
     public IEnumerable<ClrObject> EnumerateObjectsByTypeName(
-        string typeName, 
+        string typeName,
         ObjectGCStatus? status,
         Generation? generation = null)
     {
@@ -114,7 +120,7 @@ from clrObject in Heap.EnumerateObjects()
             where type != null && !type.IsFree && type.Name == "System.Threading.Thread"
             let managedThreadId = type.GetFieldByName("m_ManagedThreadId")!.Read<int>(clrObject, true)
             let threadName = type.GetFieldByName("m_Name")!.ReadString(clrObject, false)
-            select new {managedThreadId, threadName};
+            select new { managedThreadId, threadName };
 
 //            // <{0}>k__BackingField
 //            var threadQuery = from address in heap.EnumerateObjectAddresses()
@@ -195,7 +201,7 @@ public ulong GetWeakRefValue(ClrObject weakRefObject)
         var intPtrValueField = intPtrType.GetFieldByName(valueField);
 
         var handleAddr = weakRefHandleField.Read<long>(weakRefObject.Address, true);
-        var value = intPtrValueField.Read<ulong>((ulong) handleAddr, true);
+        var value = intPtrValueField.Read<ulong>((ulong)handleAddr, true);
 
         return value;
     }

src/Heartbeat/ClientApp/src/pages/clrObject/ClrObject.tsx

@@ -24,7 +24,9 @@ import Box from "@mui/material/Box";
 // TODO add Dictionary, Queue, Stack and other collections view to a new tab
 // TODO add ConcurrentDictionary view to a new tab (dcd, dumpconcurrentdictionary <address>    Displays concurrent dictionary content.)
 // TODO add ConcurrentQueue view to a new tab (dcq, dumpconcurrentqueue <address>         Displays concurrent queue content.)
-// TODO add JWT decode tab (https://github.com/panva/jose) (System.IdentityModel.Tokens.Jwt)
+// TODO add base64 decode tab (base64 string -> utf8 string) | devenv dump - https://localhost:44443/#/clr-object/0000021d1b6452b8/show
+// TODO add gzip string decode tab | devenv dump - https://localhost:44443/#/clr-object/0000021d1b6f6f80/show
+// TODO add certificate decode tab
 // TODO find other debugger visualizers
 
 export const ClrObject = () => {
@@ -92,6 +94,7 @@ export const ClrObject = () => {
             {title: 'Size', value: toSizeString(objectResult.size || 0)},
             {title: 'Generation', value: objectResult.generation},
             // TODO add Live / Dead
+            // TODO add ValueType / reference type
             {title: 'MethodTable', value: renderMethodTableLink(objectResult.methodTable)},
             {title: 'Type', value: objectResult.typeName},
             {title: 'Module', value: objectResult.moduleName},

src/Heartbeat/Endpoints/RouteHandlers.cs

@@ -101,7 +101,7 @@ public static IEnumerable<StringInfo> GetStrings(
     {
         var query = from obj in context.EnumerateStrings(gcStatus, generation)
             let str = obj.AsString()
-            let length = obj.ReadField<int>("_stringLength")
+            let length = obj.ReadField<int>(context.GetStringLengthFieldName())
             select new StringInfo(obj.Address, length, obj.Size, str);
 
         // TODO limit output qty

src/Heartbeat/Helpers/JwtParser.cs

@@ -96,10 +96,8 @@ internal static class JwtParser
         ["vp"] = "Verifiable Presentation as specified in the W3C Recommendation",
         ["sph"] = "SIP Priority header field",
         ["ace_profile"] = "The ACE profile a token is supposed to be used with.",
-        ["cnonce"] =
-            "\"client-nonce\". A nonce previously provided to the AS by the RS via the client. Used to verify token freshness when the RS cannot synchronize its clock with the AS.",
-        ["exi"] =
-            "\"Expires in\". Lifetime of the token in seconds from the time the RS first sees it. Used to implement a weaker from of token expiration for devices that cannot synchronize their internal clocks.",
+        ["cnonce"] = "\"client-nonce\". A nonce previously provided to the AS by the RS via the client. Used to verify token freshness when the RS cannot synchronize its clock with the AS.",
+        ["exi"] = "\"Expires in\". Lifetime of the token in seconds from the time the RS first sees it. Used to implement a weaker from of token expiration for devices that cannot synchronize their internal clocks.",
         ["roles"] = "Roles",
         ["groups"] = "Groups",
         ["entitlements"] = "Entitlements",
@@ -133,23 +131,17 @@ internal static class JwtParser
         ["cdnistt"] = "CDNI Signed Token Transport Method for Signed Token Renewal",
         ["cdnistd"] = "CDNI Signed Token Depth",
         ["sig_val_claims"] = "Signature Validation Token",
-        ["authorization_details"] =
-            "The claim authorization_details contains a JSON array of JSON objects representing the rights of the access token. Each JSON object contains the data to specify the authorization requirements for a certain type of resource.",
-        ["verified_claims"] =
-            "This container Claim is composed of the verification evidence related to a certain verification process and the corresponding Claims about the End-User which were verified in this process.",
+        ["authorization_details"] = "The claim authorization_details contains a JSON array of JSON objects representing the rights of the access token. Each JSON object contains the data to specify the authorization requirements for a certain type of resource.",
+        ["verified_claims"] = "This container Claim is composed of the verification evidence related to a certain verification process and the corresponding Claims about the End-User which were verified in this process.",
         ["place_of_birth"] = "A structured Claim representing the End-User's place of birth.",
         ["nationalities"] = "String array representing the End-User's nationalities.",
-        ["birth_family_name"] =
-            "Family name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the family name(s) later in life for any reason. Note that in some cultures, people can have multiple family names or no family name; all can be present, with the names being separated by space characters.",
-        ["birth_given_name"] =
-            "Given name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the given name later in life for any reason. Note that in some cultures, people can have multiple given names; all can be present, with the names being separated by space characters.",
-        ["birth_middle_name"] =
-            "Middle name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the middle name later in life for any reason. Note that in some cultures, people can have multiple middle names; all can be present, with the names being separated by space characters. Also note that in some cultures, middle names are not used.",
+        ["birth_family_name"] = "Family name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the family name(s) later in life for any reason. Note that in some cultures, people can have multiple family names or no family name; all can be present, with the names being separated by space characters.",
+        ["birth_given_name"] = "Given name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the given name later in life for any reason. Note that in some cultures, people can have multiple given names; all can be present, with the names being separated by space characters.",
+        ["birth_middle_name"] = "Middle name(s) someone has when they were born, or at least from the time they were a child. This term can be used by a person who changes the middle name later in life for any reason. Note that in some cultures, people can have multiple middle names; all can be present, with the names being separated by space characters. Also note that in some cultures, middle names are not used.",
         ["salutation"] = "End-User's salutation, e.g., \"Mr.\"",
         ["title"] = "End-User's title, e.g., \"Dr.\"",
         ["msisdn"] = "End-User's mobile phone number formatted according to ITU-T recommendation [E.164]",
-        ["also_known_as"] =
-            "Stage name, religious name or any other type of alias/pseudonym with which a person is known in a specific context besides its legal name. This must be part of the applicable legislation and thus the trust framework (e.g., be an attribute on the identity card).",
+        ["also_known_as"] = "Stage name, religious name or any other type of alias/pseudonym with which a person is known in a specific context besides its legal name. This must be part of the applicable legislation and thus the trust framework (e.g., be an attribute on the identity card).",
         ["htm"] = "The HTTP method of the request",
         ["htu"] = "The HTTP URI of the request (without query and fragment parts)",
         ["ath"] = "The base64url-encoded SHA-256 hash of the ASCII encoding of the associated access token's value",
@@ -161,10 +153,8 @@ internal static class JwtParser
         ["msgi"] = "Message Integrity Information",
         ["_claim_names"] = "JSON object whose member names are the Claim Names for the Aggregated and Distributed Claims",
         ["_claim_sources"] = "JSON object whose member names are referenced by the member values of the _claim_names member",
-        ["rdap_allowed_purposes"] =
-            "This claim describes the set of RDAP query purposes that are available to an identity that is presented for access to a protected RDAP resource.",
-        ["rdap_dnt_allowed"] =
-            "This claim contains a JSON boolean literal that describes a \"do not track\" request for server-side tracking, logging, or recording of an identity that is presented for access to a protected RDAP resource.",
+        ["rdap_allowed_purposes"] = "This claim describes the set of RDAP query purposes that are available to an identity that is presented for access to a protected RDAP resource.",
+        ["rdap_dnt_allowed"] = "This claim contains a JSON boolean literal that describes a \"do not track\" request for server-side tracking, logging, or recording of an identity that is presented for access to a protected RDAP resource.",
     }.ToFrozenDictionary();
 
     public static JwtInfo ToJwtInfo(string str)
@@ -183,18 +173,28 @@ public static JwtInfo ToJwtInfo(string str)
         var headerValues = header
             .Select(kvp => new JwtValue(kvp.Key, kvp.Value, _headerKeyDescription.GetValueOrDefault(kvp.Key)))
             .ToArray();
-
+        
         var payloadValues = payload
             .Select(kvp => new JwtValue(
                 kvp.Key,
-                _numericDateClaimKeys.Contains(kvp.Key)
-                    ? $"{kvp.Value} ({DateTimeOffset.FromUnixTimeSeconds((long)(decimal)kvp.Value):R})"
-                    : kvp.Value.ToString()!,
+                GetPayloadValue(kvp),
                 _payloadKeyDescription.GetValueOrDefault(kvp.Key)))
             .ToArray();
         var result = new JwtInfo(headerValues, payloadValues);
         return result;
     }
+
+    private static string GetPayloadValue(KeyValuePair<string, object> kvp)
+    {
+        if (kvp.Value is List<object> list)
+        {
+            return $"[{string.Join(',', list)}]";
+        }
+
+        return _numericDateClaimKeys.Contains(kvp.Key)
+            ? $"{kvp.Value} ({DateTimeOffset.FromUnixTimeSeconds((long)(decimal)kvp.Value):R})"
+            : kvp.Value.ToString()!;
+    }
 }
 
 [JsonSerializable(typeof(JWT.Builder.JwtHeader))]