安全类
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//*********************************************************************
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//
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// TTSecurity Class
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//
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// The TimeTrackerSecurity class encapsulates two helper methods that enable
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// developers to easily check the role status of the current browser client.
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//
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//*********************************************************************
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public class TTSecurity
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{
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//*********************************************************************
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//
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// TTSecurity.IsInRole() Method
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//
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// The IsInRole method enables developers to easily check the role
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// status of the current browser client.
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//
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//*********************************************************************
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public static bool IsInRole(String role)
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{
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return HttpContext.Current.User.IsInRole(role);
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}
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//*********************************************************************
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//
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// TTSecurity.Encrypt() Method
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//
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// The Encrypt method encrypts a clean string into hashed string
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//
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//*********************************************************************
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public static string Encrypt(string cleanString)
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{
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Byte[] clearBytes = new UnicodeEncoding().GetBytes(cleanString);
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Byte[] hashedBytes = ((HashAlgorithm) CryptoConfig.CreateFromName("MD5")).ComputeHash(clearBytes);
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return BitConverter.ToString(hashedBytes);
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}
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public static int GetUserID()
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{
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return ((CustomPrincipal)HttpContext.Current.User).UserID;
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}
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public static string GetUserRole()
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{
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return ((CustomPrincipal)HttpContext.Current.User).UserRole;
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}
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public static string GetName()
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{
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return ((CustomPrincipal)HttpContext.Current.User).Name;
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}
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//*********************************************************************
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//
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// <summary>
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// Validates the input text using a Regular Expression and replaces any input expression
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// characters with empty string.Removes any characters not in [a-zA-Z0-9_].
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// <summary>
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// <remarks>
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// For a good reference on Regular Expressions, please see
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// - http://regexlib.com
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// - http://py-howto.sourceforge.net/regex/regex.html
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// </remarks>
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// <param name="inputText">The text to validate.</param>
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// <returns>Sanitized string</returns>
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//
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//*********************************************************************
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public static string CleanStringRegex(string inputText)
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{
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RegexOptions options = RegexOptions.IgnoreCase;
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return ReplaceRegex(inputText,@"[^\\.!?""',\-\w\s@]",options);
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}
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//*********************************************************************
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//
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// <summary>
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// Removes designated characters from an input string input text using a Regular Expression.
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// </summary>
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// <remarks>
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// For a good reference on Regular Expressions, please see
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// - http://regexlib.com
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// - http://py-howto.sourceforge.net/regex/regex.html
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// </remarks>
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// <param name="inputText">The text to clean.</param>
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// <param name="regularExpression">The regular expression</param>
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// <returns>Sanitized string.</returns>
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//
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//*********************************************************************
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private static string ReplaceRegex(string inputText, string regularExpression, RegexOptions options)
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{
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Regex regex = new Regex(regularExpression,options);
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return regex.Replace(inputText,"");
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}
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}
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