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moved squirrel bundle signature to a static byte[]

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changed the two references to it to match.
This commit is contained in:
Bryan Aldrich
2024-10-14 15:42:38 -04:00
committed by Caelan
parent 9729329836
commit a2ac957ed2
1 changed files with 11 additions and 14 deletions
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25
src/vpk/Velopack.Packaging.Windows/SetupBundle.cs
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@@ -5,16 +5,16 @@ namespace Velopack.Packaging.Windows;
public static class SetupBundle
{
public static bool IsBundle(string setupPath, out long bundleOffset, out long bundleLength)
{
byte[] bundleSignature = {
private readonly static byte[] SquirrelBundleSignature = [
// 64 bytes represent the bundle signature: SHA-256 for "squirrel bundle"
0x94, 0xf0, 0xb1, 0x7b, 0x68, 0x93, 0xe0, 0x29,
0x37, 0xeb, 0x34, 0xef, 0x53, 0xaa, 0xe7, 0xd4,
0x2b, 0x54, 0xf5, 0x70, 0x7e, 0xf5, 0xd6, 0xf5,
0x78, 0x54, 0x98, 0x3e, 0x5e, 0x94, 0xed, 0x7d
};
];
public static bool IsBundle(string setupPath, out long bundleOffset, out long bundleLength)
{
long offset = 0;
long length = 0;
@@ -23,7 +23,7 @@ public static class SetupBundle
using var memoryMappedFile = MemoryMappedFile.CreateFromFile(setupPath, FileMode.Open, null, 0, MemoryMappedFileAccess.Read);
using MemoryMappedViewAccessor accessor = memoryMappedFile.CreateViewAccessor(0, 0, MemoryMappedFileAccess.Read);
int position = SearchInFile(accessor, bundleSignature);
int position = SearchInFile(accessor, SquirrelBundleSignature);
if (position == -1) {
throw new Exception("PlaceHolderNotFoundInAppHostException");
}
@@ -56,17 +56,14 @@ public static class SetupBundle
setupStream?.Dispose();
}
byte[] placeholder = {
// 8 bytes represent the package offset
byte[] placeholder = [
// 8 bytes represent the package offset
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// 8 bytes represent the package length
// 8 bytes represent the package length
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// 64 bytes represent the bundle signature: SHA-256 for "squirrel bundle"
0x94, 0xf0, 0xb1, 0x7b, 0x68, 0x93, 0xe0, 0x29,
0x37, 0xeb, 0x34, 0xef, 0x53, 0xaa, 0xe7, 0xd4,
0x2b, 0x54, 0xf5, 0x70, 0x7e, 0xf5, 0xd6, 0xf5,
0x78, 0x54, 0x98, 0x3e, 0x5e, 0x94, 0xed, 0x7d
};
.. SquirrelBundleSignature
];
var data = new byte[16];
Array.Copy(BitConverter.GetBytes(bundleOffset), data, 8);