// just an unoptimized example of SHA1 hashing
public static string GetHash(string firstBuildHash)
{
var stringBytes = StringUtils.StringToBytes(firstBuildHash);
var sha1 = new SHA1Wrapper();
var hash = sha1.ComputeHash(stringBytes);
sha1.Clear();
return(StringUtils.HashBytesToHexString(hash));
}
private static List <FileHash> HashSuitableFilesInZipFile(string path, FileFilter[] fileFilters, SHA1Wrapper sha1)
{
ZipFile zf = null;
var fileHashes = new List <FileHash>();
try
{
var fs = File.OpenRead(path);
zf = new ZipFile(fs);
var i = 0f;
foreach (ZipEntry zipEntry in zf)
{
i++;
if (!zipEntry.IsFile)
{
continue;
}
var entryFileName = zipEntry.Name;
var suitableFile = false;
foreach (var fileFilter in fileFilters)
{
if (fileFilter.MatchesPath(entryFileName))
{
suitableFile = true;
break;
}
}
if (!suitableFile)
{
continue;
}
EditorUtility.DisplayProgressBar("ACTk: Generating code hash", "Hashing files...", i / zf.Count);
var zipStream = zf.GetInputStream(zipEntry);
var hash = sha1.ComputeHash(zipStream);
var hashString = StringUtils.HashBytesToHexString(hash);
fileHashes.Add(new FileHash(entryFileName, hashString));
//Debug.Log("Path: " + zipEntry.Name + "\nHash: " + hashString);
zipStream.Close();
}
}
catch (Exception e)
{
Debug.LogError(ACTkConstants.LogPrefix + "Error while calculating code hash: " + e);
return(null);
}
finally
{
if (zf != null)
{
zf.IsStreamOwner = true;
zf.Close();
}
}
return(fileHashes);
}
