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修复大部分播放和下载不断重连的问题 加密保存cookie和修改为枚举方式判断登陆状态 增加第三方库相关说明
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Security.Cryptography; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace Auxiliary | ||
| { | ||
| public static class Encryption | ||
| { | ||
| #region AES 加密解密 | ||
|
|
||
| /// <summary> | ||
| /// AES加密 | ||
| /// </summary> | ||
| /// <param name="source">待加密字段</param> | ||
| /// <param name="keyVal">密钥值</param> | ||
| /// <param name="ivVal">加密辅助向量</param> | ||
| /// <returns></returns> | ||
| public static string AesStr(this string source, string keyVal, string ivVal) | ||
| { | ||
| var encoding = Encoding.UTF8; | ||
| byte[] btKey = keyVal.FormatByte(encoding); | ||
| byte[] btIv = ivVal.FormatByte(encoding); | ||
| byte[] byteArray = encoding.GetBytes(source); | ||
| string encrypt; | ||
| Rijndael aes = Rijndael.Create(); | ||
| using (MemoryStream mStream = new MemoryStream()) | ||
| { | ||
| using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(btKey, btIv), CryptoStreamMode.Write)) | ||
| { | ||
| cStream.Write(byteArray, 0, byteArray.Length); | ||
| cStream.FlushFinalBlock(); | ||
| encrypt = Convert.ToBase64String(mStream.ToArray()); | ||
| } | ||
| } | ||
| aes.Clear(); | ||
| return encrypt; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// AES解密 | ||
| /// </summary> | ||
| /// <param name="source">待加密字段</param> | ||
| /// <param name="keyVal">密钥值</param> | ||
| /// <param name="ivVal">加密辅助向量</param> | ||
| /// <returns></returns> | ||
| public static string UnAesStr(this string source, string keyVal, string ivVal) | ||
| { | ||
| var encoding = Encoding.UTF8; | ||
| byte[] btKey = keyVal.FormatByte(encoding); | ||
| byte[] btIv = ivVal.FormatByte(encoding); | ||
| byte[] byteArray = Convert.FromBase64String(source); | ||
| string decrypt; | ||
| Rijndael aes = Rijndael.Create(); | ||
| using (MemoryStream mStream = new MemoryStream()) | ||
| { | ||
| using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(btKey, btIv), CryptoStreamMode.Write)) | ||
| { | ||
| cStream.Write(byteArray, 0, byteArray.Length); | ||
| cStream.FlushFinalBlock(); | ||
| decrypt = encoding.GetString(mStream.ToArray()); | ||
| } | ||
| } | ||
| aes.Clear(); | ||
| return decrypt; | ||
| } | ||
| #endregion | ||
| #region BASE64 加密解密 | ||
|
|
||
| /// <summary> | ||
| /// BASE64 加密 | ||
| /// </summary> | ||
| /// <param name="source">待加密字段</param> | ||
| /// <returns></returns> | ||
| public static string Base64(this string source) | ||
| { | ||
| var btArray = Encoding.UTF8.GetBytes(source); | ||
| return Convert.ToBase64String(btArray, 0, btArray.Length); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// BASE64 解密 | ||
| /// </summary> | ||
| /// <param name="source">待解密字段</param> | ||
| /// <returns></returns> | ||
| public static string UnBase64(this string source) | ||
| { | ||
| var btArray = Convert.FromBase64String(source); | ||
| return Encoding.UTF8.GetString(btArray); | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region 内部方法 | ||
|
|
||
| /// <summary> | ||
| /// 转成数组 | ||
| /// </summary> | ||
| private static byte[] Str2Bytes(this string source) | ||
| { | ||
| source = source.Replace(" ", ""); | ||
| byte[] buffer = new byte[source.Length / 2]; | ||
| for (int i = 0; i < source.Length; i += 2) buffer[i / 2] = Convert.ToByte(source.Substring(i, 2), 16); | ||
| return buffer; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// 转换成字符串 | ||
| /// </summary> | ||
| private static string Bytes2Str(this IEnumerable<byte> source, string formatStr = "{0:X2}") | ||
| { | ||
| StringBuilder pwd = new StringBuilder(); | ||
| foreach (byte btStr in source) { pwd.AppendFormat(formatStr, btStr); } | ||
| return pwd.ToString(); | ||
| } | ||
|
|
||
| private static byte[] FormatByte(this string strVal, Encoding encoding) | ||
| { | ||
| return encoding.GetBytes(strVal.Base64().Substring(0, 16).ToUpper()); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// HashAlgorithm 加密统一方法 | ||
| /// </summary> | ||
| private static string HashAlgorithmBase(HashAlgorithm hashAlgorithmObj, string source, Encoding encoding) | ||
| { | ||
| byte[] btStr = encoding.GetBytes(source); | ||
| byte[] hashStr = hashAlgorithmObj.ComputeHash(btStr); | ||
| return hashStr.Bytes2Str(); | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
| } |
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