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fix: verify cache file against manifest FileCRC/FileSize instead of self-recorded .info values

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何冠峰
2026-06-02 16:09:20 +08:00
parent 93a9167100
commit 9d5f1b3aa4
1 changed files with 3 additions and 1 deletions
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4
Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
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@@ -469,7 +469,9 @@ namespace YooAsset
if (_records.TryGetValue(bundle.BundleGUID, out RecordFileElement element) == false)
return EFileVerifyResult.CacheNotFound;
EFileVerifyResult result = FileVerifyHelper.FileVerify(element.DataFilePath, element.DataFileSize, element.DataFileCRC, EFileVerifyLevel.High);
// 注意：使用清单里的权威校验值（与下载/解压时的校验基准一致），而不是缓存记录里来源于本地 .info 文件的自描述值，
// 否则数据文件与 .info 文件被一并篡改时仍会校验通过。
EFileVerifyResult result = FileVerifyHelper.FileVerify(element.DataFilePath, bundle.FileSize, bundle.FileCRC, EFileVerifyLevel.High);
return result;
}
public bool WriteCacheBundleFile(PackageBundle bundle, string copyPath)