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Handle possible corrupt partial download.

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This commit is contained in:
Michael Bucari-Tovo 2021-07-12 23:27:58 -06:00
parent 2a2faf6f7b
commit 732695c019
1 changed files with 22 additions and 9 deletions
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31
AaxDecrypter/AaxcDownloadConverter.cs
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@ -136,18 +136,23 @@ namespace AaxDecrypter
if (File.Exists(jsonDownloadState))
{
nfsPersister = new NetworkFileStreamPersister(jsonDownloadState);
//If More thaan ~1 hour has elapsed since getting the download url, it will expire.
//The new url will be to the same file.
nfsPersister.NetworkFileStream.SetUriForSameFile(new Uri(downloadLicense.DownloadUrl));
try
{
nfsPersister = new NetworkFileStreamPersister(jsonDownloadState);
//If More thaan ~1 hour has elapsed since getting the download url, it will expire.
//The new url will be to the same file.
nfsPersister.NetworkFileStream.SetUriForSameFile(new Uri(downloadLicense.DownloadUrl));
}
catch
{
FileExt.SafeDelete(jsonDownloadState);
FileExt.SafeDelete(tempFile);
nfsPersister = NewNetworkFilePersister();
}
}
else
{
var headers = new System.Net.WebHeaderCollection();
headers.Add("User-Agent", downloadLicense.UserAgent);
NetworkFileStream networkFileStream = new NetworkFileStream(tempFile, new Uri(downloadLicense.DownloadUrl), 0, headers);
nfsPersister = new NetworkFileStreamPersister(networkFileStream, jsonDownloadState);
nfsPersister = NewNetworkFilePersister();
}
nfsPersister.NetworkFileStream.BeginDownloading();
@ -159,6 +164,14 @@ namespace AaxDecrypter
return !isCanceled;
}
private NetworkFileStreamPersister NewNetworkFilePersister()
{
var headers = new System.Net.WebHeaderCollection();
headers.Add("User-Agent", downloadLicense.UserAgent);
NetworkFileStream networkFileStream = new NetworkFileStream(tempFile, new Uri(downloadLicense.DownloadUrl), 0, headers);
return new NetworkFileStreamPersister(networkFileStream, jsonDownloadState);
}
public bool Step3_DownloadAndCombine()
{