ef 資料庫連線字串加密
阿新 • • 發佈:2019-02-01
在實際生產環境中,資料庫連線字串需要加密。
先找到ef讀取連線字串的方法:DB.Context.cs
這是預設讀取字串的方法,其對於配置項為:
<connectionStrings> <add name="ConnectionString" connectionString="metadata=res://*/EFYZ.csdl|res://*/EFYZ.ssdl|res://*/EFYZ.msl;provider=System.Data.SqlClient;provider connection string="data source=資料庫連線地址;initial catalog=資料庫名;persist security info=True;user id=user;Password=password;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" /> </connectionStrings>
在這裡必須讀取解密後發的字串,所以再寫一個方法來獲取解密後的字串EfConstant
using Maticsoft.DBUtility; using System; using System.Collections.Generic; using System.Configuration; using System.Linq; using System.Text; namespace DBUtility { public class EfConstant { /// <summary> /// 獲取連線字串 /// </summary> public static string ConnectionString { get { string _connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; ; string ConStringEncrypt = ConfigurationManager.AppSettings["ConStringEncrypt"]; if (ConStringEncrypt == "true") { _connectionString = DESEncrypt.Decrypt(_connectionString); } return _connectionString; } } } }
然後替換原來的:
public Entities()
: base(EfConstant.ConnectionString)
{
}
加密連線字串的時候要注意,""是雙引號,加密時要將其改為" "才可以,不然會報出data source關鍵字的錯誤!
<connectionStrings> <add name="ConnectionString" connectionString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providerName="System.Data.EntityClient" /> </connectionStrings>