/// <summary>
/// Reads the information from the given .ab file
/// </summary>
/// <param name="path">The path of the .ab file</param>
/// <param name="password">The password to use</param>
/// <returns>The BackupFileInfo instance</returns>
public static BackupFileInfo FromFile(string path, string password = "******")
{
BackupFileInfo result = new BackupFileInfo();
Java.Update();
string output = Java.RunJarWithOutput(ResourceManager.abePath, new string[] { "-debug", "info", "\"" + path + "\"", password });
result.magic = output.Between("Magic: ", "\r\n");
result.algorithm = output.Between("Algorithm: ", "\r\n");
result.compressed = (output.Between("Compressed: ", "\r\n").Contains("1") ? true : false);
result.version = (output.Between("Version: ", "\r\n").Contains("1") ? BackupFileVersion.Version1 : BackupFileVersion.Version2);
BackupFileEncryptedInformation ei = new BackupFileEncryptedInformation();
if (!output.Contains("Exception") && output.Contains("IV: "))
{
ei.iV = output.Between("IV: ", "\r\n");
ei.keyBytes = output.Between("key bytes: ", "\r\n");
ei.keyFormat = output.Between("Key format: ", "\r\n");
ei.mK = output.Between("MK: ", "\r\n");
ei.mKAsString = output.Between("MK as string: ", "\r\n");
ei.mKChecksum = output.Between("MK checksum: ", "\r\n");
ei.saltBytes = output.Between("salt bytes: ", "\r\n");
}
result.encrytedInformation = ei;
return(result);
}
/// <summary>
/// When this returns true the system is able to deal with crypted backup files. If not you have to download the files from http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html and put them in the lib/security folder of all your Java SE 7 or 8 installations
/// </summary>
public static bool SystemIsAbleToDealWithEncryptedFiles()
{
Java.Update();
string output = Java.RunJarWithOutput(ResourceManager.abePath, new string[0]);
return(output.Contains("Strong AES encryption allowed"));
}
/// <summary>
/// Packs the .ab file from the given .tar file
/// </summary>
/// <param name="sourceTarFile">The tar file to pack</param>
/// <param name="targetAbFile">The target ab file</param>
/// <param name="version">The version of the .ab file. Use <see cref="BackupFileVersion.Version2"/> for Android 4.4.3 or higher</param>
/// <param name="password">The password used</param>
/// <returns>True if the process was successful</returns>
public static bool PackFromTarFile(string sourceTarFile, string targetAbFile, BackupFileVersion version = BackupFileVersion.Version1, string password = "")
{
try
{
Java.Update();
string output = Java.RunJarWithOutput(ResourceManager.abePath, new string[] { "-debug", version == BackupFileVersion.Version1 ? "pack" : "pack-kk", "\"" + sourceTarFile + "\"", "\"" + targetAbFile + "\"", password });
return(output.Contains("bytes written to") && System.IO.File.Exists(targetAbFile) && new FileInfo(targetAbFile).Length > 0);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Extracts the file to the specified tar file
/// </summary>
/// <param name="targetPath">The path of the tar file</param>
/// <returns>If the process was successful</returns>
public bool ExtractToTarFile(string targetPath)
{
try
{
Java.Update();
string output = Java.RunJarWithOutput(ResourceManager.abePath, new string[] { "-debug", "unpack", "\"" + mFilePath + "\"", "\"" + targetPath + "\"", mPassword });
return(output.Contains("bytes written to") && System.IO.File.Exists(targetPath) && new FileInfo(targetPath).Length > 0);
}
catch (Exception)
{
return(false);
}
}
