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fetcher git: Use hashed password to encrypt files

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This commit is contained in:
Hylke Bons 2015-01-02 20:20:58 +01:00
parent 4757b86ddb
commit 3776dedd8c
1 changed files with 30 additions and 13 deletions
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43
SparkleLib/Git/SparkleFetcherGit.cs
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@ -34,6 +34,7 @@ namespace SparkleLib.Git {
private Regex progress_regex = new Regex (@"([0-9]+)%", RegexOptions.Compiled);
private Regex speed_regex = new Regex (@"([0-9\.]+) ([KM])iB/s", RegexOptions.Compiled);
private bool crypto_password_is_hashed = true;
private string crypto_salt {
get {
@ -259,7 +260,11 @@ namespace SparkleLib.Git {
// Store the password
string password_file_path = new string [] { TargetFolder, ".git", "info", "encryption_password" }.Combine ();
File.WriteAllText (password_file_path, password);
if (this.crypto_password_is_hashed)
File.WriteAllText (password_file_path, password.SHA256 (this.crypto_salt));
else
File.WriteAllText (password_file_path, password);
}
@ -279,28 +284,40 @@ namespace SparkleLib.Git {
Process process = new Process ();
process.EnableRaisingEvents = true;
process.StartInfo.FileName = "openssl";
process.StartInfo.WorkingDirectory = TargetFolder;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.FileName = "openssl";
process.StartInfo.Arguments = "enc -d -aes-256-cbc -base64 -pass pass:\"" + password + "\"" +
" -in \"" + password_check_file_path + "\"";
string [] possible_passwords = new string [] {
password.SHA256 (this.crypto_salt),
password
};
SparkleLogger.LogInfo ("Cmd | " + System.IO.Path.GetFileName (process.StartInfo.WorkingDirectory),
System.IO.Path.GetFileName (process.StartInfo.FileName) + " " + process.StartInfo.Arguments);
int i = 0;
foreach (string possible_password in possible_passwords) {
process.StartInfo.Arguments = "enc -d -aes-256-cbc -base64 -pass pass:\"" + possible_password + "\"" +
" -in \"" + password_check_file_path + "\"";
process.Start ();
process.WaitForExit ();
SparkleLogger.LogInfo ("Cmd | " + System.IO.Path.GetFileName (process.StartInfo.WorkingDirectory),
System.IO.Path.GetFileName (process.StartInfo.FileName) + " " + process.StartInfo.Arguments);
if (process.ExitCode == 0) {
File.Delete (password_check_file_path);
return true;
process.Start ();
process.WaitForExit ();
} else {
return false;
if (process.ExitCode == 0) {
if (i > 0)
crypto_password_is_hashed = false;
File.Delete (password_check_file_path);
return true;
}
i++;
}
return false;
}