/// <summary>
/// 生成签名
/// </summary>
/// <param name="coll"></param>
/// <param name="secrect"></param>
/// <param name="setting"></param>
/// <returns></returns>
public static string BuildSign(NameValueCollection coll, string secrect, BuildSettingModel setting)
{
SortedDictionary <string, string> inputPara = new SortedDictionary <string, string>();
foreach (string s in coll.AllKeys)
{
if (!inputPara.ContainsKey(s))
{
inputPara.Add(s, coll[s]);
}
}
return(BuildSign(inputPara, secrect, setting));
}
/// <summary>
/// 生成带签名的参数串
/// </summary>
/// <param name="inputPara"></param>
/// <param name="secrect">Secrect</param>
/// <returns></returns>
public static string BuildSignStr(Dictionary <string, string> inputPara, string secrect)
{
SortedDictionary <string, string> sortedInputPara = Convert(inputPara);
BuildSettingModel setting = new BuildSettingModel()
{
JoinFormat = PreSignStrJoinFormatOptions.UrlParameter,
EcryptType = EncryptTypeOptions.MD5_UTF8_32,
SaltPosition = SaltAppendPositionOptions.Suffix
};
//获取待签名字符串
string preSignStr = GetPreSignStr(sortedInputPara, setting, secrect);
//生成sign
return(GetPreSignStr(sortedInputPara, setting) + "&sign=" + GetSign(preSignStr, setting));
}
/// <summary>
/// 生成签名
/// </summary>
/// <param name="inputPara">字典</param>
/// <param name="salt">秘钥</param>
/// <param name="setting">生成的设置</param>
/// <returns></returns>
public static string BuildSign(SortedDictionary <string, string> inputPara, string salt, BuildSettingModel setting)
{
if (setting == null)
{
setting = new BuildSettingModel()
{
JoinFormat = PreSignStrJoinFormatOptions.UrlParameter,
EcryptType = EncryptTypeOptions.MD5_32,
SaltPosition = SaltAppendPositionOptions.Suffix
};
}
//获取待签名字符串
string preSignStr = GetPreSignStr(inputPara, setting, salt);
//LogHelper.Write("加密的字符串->:" + preSignStr);
//生成sign
return(GetSign(preSignStr, setting));
}
/// <summary>
/// 获取返回时的签名验证结果（用xxx=xxx&aaa=bbb连接，salt加在尾部，32位md5）
/// </summary>
/// <param name="inputPara"></param>
/// <param name="sign"></param>
/// <param name="salt"></param>
/// <param name="setting"></param>
/// <returns></returns>
public static bool VerifySign(SortedDictionary <string, string> inputPara, string sign, string salt, BuildSettingModel setting)
{
if (setting == null)
{
setting = new BuildSettingModel()
{
JoinFormat = PreSignStrJoinFormatOptions.UrlParameter,
EcryptType = EncryptTypeOptions.MD5_32,
SaltPosition = SaltAppendPositionOptions.Suffix
};
}
//获取待签名字符串
string preSignStr = GetPreSignStr(inputPara, setting, salt);
string localSign = GetSign(preSignStr, setting);
if (localSign.Equals(sign, StringComparison.CurrentCultureIgnoreCase))
{
return(true);
}
return(false);
}
private static string GetSign(string preSignStr, BuildSettingModel setting)
{
string sign = "";
switch (setting.EcryptType)
{
case EncryptTypeOptions.MD5_16:
sign = EncryptHelper.MD5_8(preSignStr);
break;
case EncryptTypeOptions.MD5_32:
sign = EncryptHelper.MD5(preSignStr);
break;
case EncryptTypeOptions.MD5_UTF8_32:
sign = EncryptHelper.MD5_8(preSignStr);
break;
default:
sign = EncryptHelper.MD5(preSignStr);
break;
}
return(sign);
}
private static string GetPreSignStr(SortedDictionary <string, string> inputPara, BuildSettingModel setting, string salt)
{
//过滤空值、sign与sign_type参数
Dictionary <string, string> sPara = FilterPara(inputPara);
//根据连接方式设置
string preSignStr = "";
switch (setting.JoinFormat)
{
case PreSignStrJoinFormatOptions.None:
preSignStr = CreateSeamlessString(sPara);
break;
case PreSignStrJoinFormatOptions.UrlParameter:
preSignStr = CreateLinkString(sPara);
break;
default:
preSignStr = CreateLinkString(sPara);
break;
}
//秘钥位置
switch (setting.SaltPosition)
{
case SaltAppendPositionOptions.Prefix:
preSignStr = salt + preSignStr;
break;
case SaltAppendPositionOptions.Suffix:
preSignStr = preSignStr + salt;
break;
case SaltAppendPositionOptions.ALL:
preSignStr = salt + preSignStr + salt;
break;
default:
preSignStr = preSignStr + salt;
break;
}
return(preSignStr);
}
/// <summary>
/// 生成签名
/// </summary>
/// <param name="inputPara">字典</param>
/// <param name="salt">秘钥</param>
/// <param name="setting">生成的设置</param>
/// <returns></returns>
public static string BuildSign(Dictionary <string, string> inputPara, string salt, BuildSettingModel setting)
{
SortedDictionary <string, string> sortedInputPara = Convert(inputPara);
return(BuildSign(sortedInputPara, salt, setting));
}
private static string GetPreSignStr(SortedDictionary <string, string> inputPara, BuildSettingModel setting)
{
//过滤空值、sign与sign_type参数
Dictionary <string, string> sPara = FilterPara(inputPara);
//根据连接方式设置
string preSignStr = "";
switch (setting.JoinFormat)
{
case PreSignStrJoinFormatOptions.None:
preSignStr = CreateSeamlessString(sPara);
break;
case PreSignStrJoinFormatOptions.UrlParameter:
preSignStr = CreateLinkString(sPara);
break;
default:
preSignStr = CreateLinkString(sPara);
break;
}
return(preSignStr);
}
