50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.IO;
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using System.Security.Cryptography;
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namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
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{
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public class FileThumbPrint : IEquatable<FileThumbPrint>
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{
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private FileThumbPrint(string path, DateTime lastWriteTimeUtc, string hash)
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{
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Path = path;
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LastWriteTimeUtc = lastWriteTimeUtc;
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Hash = hash;
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}
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public string Path { get; }
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public DateTime LastWriteTimeUtc { get; }
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public string Hash { get; }
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public static FileThumbPrint Create(string path)
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{
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byte[] hashBytes;
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using (var sha1 = SHA1.Create())
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using (var fileStream = File.OpenRead(path))
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{
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hashBytes = sha1.ComputeHash(fileStream);
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}
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var hash = Convert.ToBase64String(hashBytes);
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var lastWriteTimeUtc = File.GetLastWriteTimeUtc(path);
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return new FileThumbPrint(path, lastWriteTimeUtc, hash);
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}
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public bool Equals(FileThumbPrint other)
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{
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return
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string.Equals(Path, other.Path, StringComparison.Ordinal) &&
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LastWriteTimeUtc == other.LastWriteTimeUtc &&
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string.Equals(Hash, other.Hash, StringComparison.Ordinal);
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}
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public override int GetHashCode() => LastWriteTimeUtc.GetHashCode();
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}
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}
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