private static EncryptParseItem ParseEncryptItem(string body, string rootNode, int indexOfRootNode)
{
var signDataStartIndex = indexOfRootNode + rootNode.Length + 2;
var indexOfSign = body.IndexOf($"\"{AlipayConstants.SIGN}\"", StringComparison.Ordinal);
var signDataEndIndex = indexOfSign - 1;
if (signDataEndIndex < 0)
{
signDataEndIndex = body.Length - 1;
}
var length = signDataEndIndex - signDataStartIndex;
var encyptContent = body.Substring(signDataStartIndex + 1, length - 2);
var item = new EncryptParseItem
{
encryptContent = encyptContent,
startIndex = signDataStartIndex,
endIndex = signDataEndIndex
};
return(item);
}
/// <summary>
/// 解析加密节点
/// </summary>
/// <param name="request"></param>
/// <param name="body"></param>
private static EncryptParseItem ParseEncryptData(IAlipayRequest <T> request, string body)
{
var rootNode = request.GetApiName().Replace(".", "_") + AlipayConstants.RESPONSE_SUFFIX;
var errorRootNode = AlipayConstants.ERROR_RESPONSE;
var indexOfRootNode = body.IndexOf(rootNode, StringComparison.Ordinal);
var indexOfErrorRoot = body.IndexOf(errorRootNode, StringComparison.Ordinal);
EncryptParseItem result = null;
if (indexOfRootNode > 0)
{
result = ParseEncryptItem(body, rootNode, indexOfRootNode);
}
else if (indexOfErrorRoot > 0)
{
result = ParseEncryptItem(body, errorRootNode, indexOfErrorRoot);
}
return(result);
}
