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Submodule Atomex.Client.Core
updated
141 files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Text; | ||
|
|
||
| using Serilog; | ||
|
|
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| using Atomex.Common; | ||
| using Atomex.Cryptography; | ||
|
|
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| namespace Atomex.Client.Wpf.Common | ||
| { | ||
| public static class FileCache | ||
| { | ||
| public const int MaxCacheFileSize = 1024 * 1024; // 1 Mb | ||
|
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| public static string DefaultCacheFolder { get; set; } = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "cache"); | ||
|
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| public static byte[] Get(string name, TimeSpan cachePeriod) | ||
| { | ||
| var key = Hex.ToHexString(Sha256.Compute(Encoding.UTF8.GetBytes(name))); | ||
| var fileExtension = "cache"; | ||
| var fileName = $"{key}.{fileExtension}"; | ||
| var filePath = Path.Combine(DefaultCacheFolder, fileName); | ||
|
|
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| try | ||
| { | ||
| if (!Directory.Exists(DefaultCacheFolder)) | ||
| Directory.CreateDirectory(DefaultCacheFolder); | ||
|
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| var fileInfo = new FileInfo(filePath); | ||
|
|
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| if (fileInfo.Length > MaxCacheFileSize) | ||
| return null; | ||
|
|
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| if (cachePeriod != TimeSpan.MaxValue && fileInfo.LastWriteTimeUtc + cachePeriod < DateTime.UtcNow) | ||
| return null; | ||
|
|
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| return File.ReadAllBytes(filePath); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Log.Error(e, "FileCache.Get error."); | ||
| } | ||
|
|
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| return null; | ||
| } | ||
|
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| public static void Set(string name, byte[] data) | ||
| { | ||
| var key = Hex.ToHexString(Sha256.Compute(Encoding.UTF8.GetBytes(name))); | ||
| var fileExtension = "cache"; | ||
| var fileName = $"{key}.{fileExtension}"; | ||
| var filePath = Path.Combine(DefaultCacheFolder, fileName); | ||
|
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| try | ||
| { | ||
| File.WriteAllBytes(filePath, data); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Log.Error(e, "FileCache.Set error."); | ||
| } | ||
| } | ||
| } | ||
| } |
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