public static Task <DeserializeResult> TrySimpleDeserialize(string jsonString)
{
return(Task.Run <DeserializeResult>(async() =>
{
jsonString = jsonString.Trim();
int firstBrace = jsonString.IndexOfAny(new char[] { '{', '[' });
if (firstBrace >= 0)
{
foreach (string str in new string[] { jsonString, CSEscape.Unescape(jsonString) })
{
Dictionary <string, object> dictionary = TryStrictDeserialize(str);
if (dictionary != null)
{
return new DeserializeResult(dictionary);
}
}
}
if (firstBrace != 0)
{
DeserializeResult wrappedResult = await TrySimpleDeserialize("{" + jsonString + "}");
if (wrappedResult != null)
{
return wrappedResult;
}
}
return null;
}));
}
public static Task <DeserializeResult> TryDeserialize(string jsonString)
{
return(Task.Run <DeserializeResult>(async() =>
{
jsonString = jsonString.Trim();
DeserializeResult result = await TrySimpleDeserialize(jsonString);
if (result.IsSuccessful())
{
return result;
}
if (jsonString.StartsWith("\"") && jsonString.EndsWith("\""))
{
string quoteEscaped = jsonString.Substring(1, jsonString.Length - 2).Replace("\"\"", "\"");
result = await TrySimpleDeserialize(quoteEscaped);
if (result.IsSuccessful())
{
return result;
}
}
int firstBrace = jsonString.IndexOfAny(new char[] { '{' });
if (firstBrace >= 0)
{
foreach (string str in new string[] { jsonString, CSEscape.Unescape(jsonString) })
{
Dictionary <string, object> dictionary = TryStrictDeserialize(str);
if (dictionary != null)
{
return new DeserializeResult(dictionary);
}
result = TryTrimmedDeserialize(str, "{", "}", "{0}");
if (result.IsSuccessful())
{
return result;
}
}
}
if (firstBrace != 0)
{
DeserializeResult wrappedResult = await TryDeserialize("{" + jsonString + "}");
if (wrappedResult.IsSuccessful())
{
return wrappedResult;
}
}
return null;
}));
}
public static Task <DeserializeResult> TryAgressiveDeserialize(string jsonString, bool tryDecompress = true)
{
return(Task.Run <DeserializeResult>(async() =>
{
jsonString = jsonString.Trim();
DeserializeResult result = await TrySimpleDeserialize(jsonString);
if (result.IsSuccessful())
{
return result;
}
// Xpert has a habit of injecting weird things like "1 in the middle of a string.
// For example: me.CompilerServices.TaskAwaiter"1.GetResult()\\r\\n at
string adjustedJsonString = jsonString;
for (int ii = 0; ii < adjustedJsonString.Length - 3; ii++)
{
if ((adjustedJsonString[ii] != ' ') &&
(adjustedJsonString[ii + 1] == '\"') &&
(adjustedJsonString[ii + 2] >= '0' && adjustedJsonString[ii + 2] <= '9'))
{
adjustedJsonString = adjustedJsonString.Remove(ii + 1, 2);
}
}
result = await TrySimpleDeserialize(adjustedJsonString);
if (result.IsSuccessful())
{
return result;
}
result = await TryDeserialize(jsonString);
if (result.IsSuccessful())
{
return result;
}
if (tryDecompress)
{
try
{
bool decodableJsonEntity =
jsonString.StartsWith("0x4465666C6174654A736F6E456E74697479", StringComparison.InvariantCultureIgnoreCase) || // StringToHex("DeflateJsonEntity")
jsonString.StartsWith("RGVmbGF0ZUpzb25FbnRpdHk", StringComparison.InvariantCultureIgnoreCase) || // Base64("DeflateJsonEntity")
jsonString.StartsWith("0x4A736F6E456E74697479", StringComparison.InvariantCultureIgnoreCase) || // StringToHex("JsonEntity")
jsonString.StartsWith("SnNvbkVudGl0eQ", StringComparison.InvariantCultureIgnoreCase); // Base64("JsonEntity")
if (decodableJsonEntity)
{
byte[] data;
if (jsonString.StartsWith("0x", StringComparison.InvariantCultureIgnoreCase))
{
data = StringHelper.HexStringToByteArray(jsonString);
}
else
{
data = Convert.FromBase64String(jsonString);
}
using (MemoryStream memoryStream = new MemoryStream(data))
{
string serializationProtocol = StreamHelper.ReadUTF8Line(memoryStream);
if (serializationProtocol == "DeflateJsonEntity")
{
using (DeflateStream deflateStream = new DeflateStream(memoryStream, CompressionMode.Decompress))
{
using (StreamReader streamReader = new StreamReader(deflateStream))
{
return await TryAgressiveDeserialize(await streamReader.ReadToEndAsync(), tryDecompress: false);
}
}
}
else if (serializationProtocol == "JsonEntity")
{
using (StreamReader streamReader = new StreamReader(memoryStream))
{
return await TryAgressiveDeserialize(await streamReader.ReadToEndAsync(), tryDecompress: false);
}
}
}
}
}
catch (Exception)
{ // oops, must not have been decompressable, ignore
}
}
return result;
}));
}
