public static NDB.Post[] Unpack(Image container, string key) //this Unpack using Image from RAM, as parameter.
{
try
{
//Console.WriteLine("Start read hidden bytes");
var encrypted = new PngStegoUtil().ReadHiddenBytesFromPng(container); //here can be catch
//Console.WriteLine("readhiddenbytesFromPNG..........");
var decrypted = ByteEncryptionUtil.DecryptSalsa20(encrypted, key); //here can be catch
//Console.WriteLine("decrypted...........");
var nposts = NanoPostPackUtil.Unpack(decrypted); //here can be catch
//Console.WriteLine("nposts...........");
var posts = nposts.Select( //here can be catch
np => new NDB.Post
{
replyto = np.SerializedString().Substring(0, 32),
message = Convert.ToBase64String(Encoding.UTF8.GetBytes(np.SerializedString().Substring(32)))
}).ToArray();
//Console.WriteLine("posts...........");
Validate(posts); //AND HERE reason of for lagging containers
//Console.WriteLine("Validate...........");
return(posts);
}
catch // (Exception e) fix compile warning
{
//Console.WriteLine("Unpack catch"); //here can be catch.
return(new NDB.Post[0]);
}
}
//GET-query to http://127.0.0.1:7346/api/run-nbpack/-u|upload%2FMORE-secrets-inside.png|nano3|upload%2Fposts.json
//or POST-query to http://127.0.0.1:7346/api/run-nbpack/ with four parameters - saving the JSON-file.
//dataURL of PNG is supporting in containerPath.
private static void Unpack(string containerPath, string key, string outputPath)
{
try
{
var encrypted = new PngStegoUtil().ReadHiddenBytesFromPng(containerPath);
var decrypted = ByteEncryptionUtil.DecryptSalsa20(encrypted, key);
var nposts = NanoPostPackUtil.Unpack(decrypted);
var posts = nposts.Select(
np => new NDB.Post
{
replyto = np.SerializedString().Substring(0, 32),
message = Convert.ToBase64String(Encoding.UTF8.GetBytes(np.SerializedString().Substring(32)))
}).ToArray();
Validate(posts);
//from the sources of client 3.1
for (int i = 0; i < posts.Length; i++)
{
posts[i].message = NDB.PostsValidator.FromB64(posts[i].message);
}
var result = JsonConvert.SerializeObject(posts, Formatting.Indented);
File.WriteAllText(outputPath, result);
}
catch
{
var posts = new Posts();
posts.posts = new Post[0];
var result = JsonConvert.SerializeObject(posts);
File.WriteAllText(outputPath, result);
}
return;
}
//GET-query to http://127.0.0.1:7346/api/run-nbpack/-u|upload%2FMORE-secrets-inside.png|nano3
//or POST-query to http://127.0.0.1:7346/api/run-nbpack/ with three two parameters - return JSON.
//dataURL of PNG is supporting in containerPath.
public static NDB.Post[] Unpack(string containerPath, string key) //containerPath - pathway to container, as file
{
try
{
//Console.WriteLine("Start read hidden bytes");
var encrypted = new PngStegoUtil().ReadHiddenBytesFromPng(containerPath);
//Console.WriteLine("readhiddenbytesFromPNG..........");
var decrypted = ByteEncryptionUtil.DecryptSalsa20(encrypted, key); //here is reason of catch for some files
//Console.WriteLine("decrypted...........");
var nposts = NanoPostPackUtil.Unpack(decrypted); //or here
//Console.WriteLine("nposts...........");
var posts = nposts.Select( //or here
np => new NDB.Post
{
replyto = np.SerializedString().Substring(0, 32),
message = Convert.ToBase64String(Encoding.UTF8.GetBytes(np.SerializedString().Substring(32)))
}).ToArray();
//Console.WriteLine("posts...........");
Validate(posts); //in the most cases this not working, then catch
//Console.WriteLine("Validate...........");
return(posts);
}
catch // (Exception e) //fix compile warning
{
Console.WriteLine("Unpack catch: " +
(
(containerPath.IndexOf("data:") != -1 &&
containerPath.IndexOf("base64,") != -1 &&
nbpack.NBPackMain.IsBase64Encoded(containerPath.Split(',')[1])
)
? containerPath.Substring(0, 40) + "..."
: containerPath
)
); //here catch for some files.
return(new NDB.Post[0]);
}
}
