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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System;
using System.Linq;
using System.Text.RegularExpressions;
namespace CsvHelper.Configuration.Attributes
{
/// <summary>
/// Gets the characters that are used for injection attacks.
/// </summary>
public class InjectionCharactersAttribute : Attribute, IClassMapper
{
/// <summary>
/// Gets the characters that are used for injection attacks.
/// Default is '=', '@', '+', '-', '\t', '\r'.
/// </summary>
public char[] InjectionCharacters { get; private set; }
/// <summary>
/// Gets the characters that are used for injection attacks.
/// </summary>
/// <param name="injectionCharacters"></param>
public InjectionCharactersAttribute(string injectionCharacters)
{
InjectionCharacters = Regex.Split(injectionCharacters, @"\s+").Select(s => s[0]).ToArray();
}
/// <inheritdoc />
public void ApplyTo(CsvConfiguration configuration)
{
configuration.InjectionCharacters = InjectionCharacters;
}
}
}
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