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verify-before-installing

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This commit is contained in:
Timothy Baldridge 2020-05-14 05:28:29 -06:00
parent ff6743b468
commit 8fe3d0d0b5
1 changed files with 8 additions and 3 deletions
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11
Wabbajack.Lib/AInstaller.cs
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@ -198,10 +198,15 @@ namespace Wabbajack.Lib
await using var patchStream = new MemoryStream();
Status($"Patching {toPatch.To.FileName}");
// Read in the patch data
Status($"Verifying unpatched file {toPatch.To.FileName}");
var toFile = OutputFolder.Combine(toPatch.To);
var hash = await toFile.FileHashAsync();
if (hash != toPatch.FromHash)
throw new InvalidDataException($"Invalid Hash for {toPatch.To} before patching");
byte[] patchData = await LoadBytesFromPath(toPatch.PatchID);
var toFile = OutputFolder.Combine(toPatch.To);
var oldData = new MemoryStream(await toFile.ReadAllBytesAsync());
// Remove the file we're about to patch
@ -214,8 +219,8 @@ namespace Wabbajack.Lib
}
Status($"Verifying Patch {toPatch.To.FileName}");
var resultSha = await toFile.FileHashAsync();
if (resultSha != toPatch.Hash)
hash = await toFile.FileHashAsync();
if (hash != toPatch.Hash)
throw new InvalidDataException($"Invalid Hash for {toPatch.To} after patching");
});
}