Diplomarbeit-Absolventenverein/oqtane.framework
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Compute file server etag with MD5 and always include ModifiedOn

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This commit is contained in:
David Montesinos
2025-04-21 11:14:24 +02:00
parent 4d572d8173
commit 1b00fa74bc
2 changed files with 13 additions and 5 deletions
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10
Oqtane.Server/Pages/Files.cshtml.cs
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@ -137,15 +137,15 @@ namespace Oqtane.Pages
string downloadName = file.Name;
string filepath = _files.GetFilePath(file);
var etagInput = $"{file.ModifiedOn.Ticks}:{file.Size}";
if (Request.QueryString.HasValue)
{
etag = Utilities.GenerateSimpleHash(Request.QueryString.Value);
}
else
{
etag = Convert.ToString(file.ModifiedOn.Ticks ^ file.Size, 16);
etagInput += $":{Request.QueryString.Value}";
}
etag = Utilities.GenerateHashMD5(etagInput);
var header = "";
if (HttpContext.Request.Headers.TryGetValue(HeaderNames.IfNoneMatch, out var ifNoneMatch))
{

8
Oqtane.Shared/Shared/Utilities.cs
View File

@ -5,6 +5,7 @@ using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using File = Oqtane.Models.File;
@ -619,6 +620,13 @@ namespace Oqtane.Shared
}
}
public static string GenerateHashMD5(string input)
{
var bytes = Encoding.UTF8.GetBytes(input);
var hashBytes = MD5.HashData(bytes);
return Convert.ToHexString(hashBytes);
}
[Obsolete("ContentUrl(Alias alias, int fileId) is deprecated. Use FileUrl(Alias alias, int fileId) instead.", false)]
public static string ContentUrl(Alias alias, int fileId)
{