/// <summary>
/// 检测请求是否合法
/// 如果signature等于对应白名单中的密钥，则直接返回true，
/// 否则signature的格式必须为JWT格式，其中playload的格式为
/// {
/// "iat":颁发时间,
/// "exp":过期时间,
/// "systemname":系统名称
/// }
/// 签名密钥为对应白名单中的密钥
/// 将判断是否过期、签名中的systemname是否与传入的systemname一致
/// 如果检测IP已打开，则还需要检查IP是否在可信IP中
/// </summary>
/// <param name="operation"></param>
/// <param name="systemName"></param>
/// <param name="signature"></param>
/// <param name="ip"></param>
/// <returns></returns>
public async Task <ValidateResult> Validate(SystemOperation operation, string systemName, string signature, string ip)
{
ValidateResult result = new ValidateResult()
{
Result = true
};
//获取关联的白名单
var whitelist = await GetWhitelist(operation, systemName, 1);
if (whitelist == null)
{
result.Result = false;
result.Description = string.Format(StringLanguageTranslate.Translate(TextCodes.NotFoundWhitelistInSystemOperationWithNameStatus, "在系统操作{0}中找不到系统名称为{1}、状态为{2}的白名单"), operation.Name, systemName, OptionSetMetadataValueHelper.GetLable(_optionSetValueMetadataRepository, $"{typeof(Whitelist).FullName}.Status", 1));
return(result);
}
//判断签名是否等于密钥
if (signature == whitelist.SystemSecret)
{
return(result);
}
//判断JWT是否正确
var jwtValidateResult = _securityService.ValidateJWT(whitelist.SystemSecret, signature);
if (!jwtValidateResult.ValidateResult.Result)
{
return(jwtValidateResult.ValidateResult);
}
//检查系统名称是否正确
if (!jwtValidateResult.Playload.TryGetValue("systemname", out string strSystemName))
{
result.Result = false;
result.Description = string.Format(StringLanguageTranslate.Translate(TextCodes.NotFoundKeyNameInSystemOperation, "在系统操作{0}的验证方法中，JWT的Playload中找不到键为{1}的键值对"), operation.Name, "systemname");
return(result);
}
if (string.IsNullOrEmpty(strSystemName) || strSystemName != systemName)
{
result.Result = false;
result.Description = string.Format(StringLanguageTranslate.Translate(TextCodes.SystemNameNotEqualInSystemOperationValidation, "在系统操作{0}的验证方法中，签名中的系统名称为{1}，传入的系统名称为{2}，两者不相等"), operation.Name, strSystemName, systemName);
return(result);
}
//如果启用了IP检测，则还需要检测IP
if (whitelist.EnableIPValidation)
{
if (!whitelist.TrustIPs.Contains(ip))
{
result.Result = false;
result.Description = string.Format(StringLanguageTranslate.Translate(TextCodes.IPFailInSystemOperationValidation, "在系统操作{0}的验证方法中，白名单系统名称为{1}的合法IP为{2}，访问IP为{3}，两者不匹配"), operation.Name, systemName, whitelist.TrustIPs, ip);
return(result);
}
}
return(result);
}
public async Task RemoveWhitelistRelation(SystemOperation operation, Guid whitelistId)
{
await _systemOperationWhitelistRelationStore.Delete(operation.ID, whitelistId);
}
public async Task Update(SystemOperation operation)
{
await _systemOperationStore.Update(operation);
}
public async Task <Whitelist> GetWhitelist(SystemOperation operation, string systemName, int status)
{
return(await _whitelistStore.QueryBySystemOperationRelation(operation.ID, systemName, status));
}
public async Task <Whitelist> GetWhitelist(SystemOperation operation, Guid whitelistId)
{
return(await _whitelistStore.QueryBySystemOperationRelation(operation.ID, whitelistId));
}
public async Task Delete(SystemOperation operation)
{
await _systemOperationStore.Delete(operation.ID);
}
public async Task AddWhitelistRelation(SystemOperation operation, Guid whitelistId)
{
await _systemOperationWhitelistRelationStore.Add(operation.ID, whitelistId);
}
public async Task Add(SystemOperation operation)
{
await _systemOperationStore.Add(operation);
}