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UWP ImageFileCache and Package References

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ClemensFischer 2024-08-14 17:27:14 +02:00
parent be48c45e91
commit 0d242e556c
21 changed files with 301 additions and 33 deletions
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14
MapControl/Shared/ImageFileCache.cs
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@ -8,11 +8,11 @@ using Microsoft.Extensions.Options;
using System;
using System.Diagnostics;
using System.IO;
using Path = System.IO.Path;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Path = System.IO.Path;
namespace MapControl.Caching
{
@ -269,11 +269,13 @@ namespace MapControl.Caching
try
{
var hasExpired = false;
var buffer = new byte[16];
using (var stream = file.OpenRead())
{
stream.Seek(-16, SeekOrigin.End);
var buffer = new byte[16];
hasExpired = stream.Read(buffer, 0, 16) == 16
&& GetExpirationTicks(buffer, out long expiration)
&& expiration <= DateTimeOffset.UtcNow.Ticks;
@ -377,10 +379,11 @@ namespace MapControl.Caching
private static Task WriteAsync(Stream stream, byte[] bytes) => stream.WriteAsync(bytes, 0, bytes.Length);
static partial void SetAccessControl(string path);
#if !UWP && !AVALONIA
static partial void SetAccessControl(string path)
private static void SetAccessControl(string path)
{
#if AVALONIA
if (!OperatingSystem.IsWindows()) return;
#endif
var fileInfo = new FileInfo(path);
var fileSecurity = fileInfo.GetAccessControl();
var fullControlRule = new System.Security.AccessControl.FileSystemAccessRule(
@ -392,6 +395,5 @@ namespace MapControl.Caching
fileSecurity.AddAccessRule(fullControlRule);
fileInfo.SetAccessControl(fileSecurity);
}
#endif
}
}