public async Task <ApiResult> GetMobileValidationCode(GetMobileValidationCodeInput input)
{
var returnResult = new ApiResult();
var getResult = await _mobileUserService.GetMobileValidationCodeAsync(input, ModelState);
if (!getResult)
{
returnResult.Code = 400;
returnResult.Message = $"获取手机验证码失败: {ModelState.FirstErrorMessage()}";
}
else
{
returnResult.Code = 200;
returnResult.Message = "获取手机验证码成功";
};
return(returnResult);
}
public async Task <bool> GetMobileValidationCodeAsync(GetMobileValidationCodeInput getMobileValidationCodeInput, ModelStateDictionary modelState)
{
if (getMobileValidationCodeInput.Type == MobileValidationCodeType.Register)
{
if (await _manager.IsExistsMobileAsync(getMobileValidationCodeInput.Mobile))
{
modelState.AddModelError("Mobile", "手机号码已经被使用");
return(false);
}
}
else if (getMobileValidationCodeInput.Type == MobileValidationCodeType.Login || getMobileValidationCodeInput.Type == MobileValidationCodeType.ChangeMobile)
{
if (!await _manager.IsExistsMobileAsync(getMobileValidationCodeInput.Mobile))
{
modelState.AddModelError("Mobile", "手机号码尚未注册");
return(false);
}
}
string validationCode = null;
var cacheKey = MobileValidationCodeCacheKeyFormat.FormatWith(getMobileValidationCodeInput.Mobile);
var mobileValidationCode = await _cache.GetJsonAsync <MobileValidationCode>(cacheKey);
var now = DateTime.Now;
if (mobileValidationCode != null)
{
if (now - mobileValidationCode.CreationTime < TimeSpan.FromSeconds(_mobileValidationCodeSettings.RequestInterval))
{
modelState.AddModelError("Mobile", "请求过于频繁，请稍后再试");
return(false);
}
if (!mobileValidationCode.ValidationCode.IsNullOrWhiteSpace() &&
mobileValidationCode.Type == getMobileValidationCodeInput.Type /* 验证码用途未发生更改 */ &&
mobileValidationCode.ExpirationDate <= now /* 验证码没到期 */ &&
mobileValidationCode.VerifyTimes < mobileValidationCode.MaxVerifyTimes /* 验证码在合理使用次数内 */)
{
// 继续沿用之前的验证码
validationCode = mobileValidationCode.ValidationCode;
}
}
if (validationCode == null)
{
validationCode = GenerateMobileValidationCode(_mobileValidationCodeSettings.CodeLength);
mobileValidationCode = new MobileValidationCode
{
Mobile = getMobileValidationCodeInput.Mobile,
Type = getMobileValidationCodeInput.Type,
ValidationCode = validationCode,
ExpirationDate = now.AddSeconds(_mobileValidationCodeSettings.Expiration),
MaxVerifyTimes = _mobileValidationCodeSettings.MaxVerifyTimes,
VerifyTimes = 0,
FinishVerifyDate = null,
CreationTime = now,
};
await _cache.SetJsonAsync(cacheKey, mobileValidationCode, new DistributedCacheEntryOptions
{
SlidingExpiration = TimeSpan.FromSeconds(_mobileValidationCodeSettings.Expiration)
});
}
var sms = "{\"code\":\"" + validationCode + "\",\"time\":\"" + (_mobileValidationCodeSettings.Expiration / 60) + "\"}";
return(await _smsSender.SendAsync(getMobileValidationCodeInput.Mobile, sms));
}