/// <inheritdoc />
public virtual void SaveAsset(byte[] data, string name, bool backup)
{
string filePath = EnginePathToFilePath(name);
filePath = filePath.Replace(_folderFs.ToLower(), _folderFs);
if (!File.Exists(filePath))
{
// If new - add to the internal manifest.
InternalManifest.TryAdd(FilePathToEnginePath(filePath, FolderInPath), filePath);
}
else if (backup)
{
// Backup old - if any.
File.Copy(filePath, filePath + ".backup", true);
}
// Create missing directories.
string directoryName = Path.GetDirectoryName(filePath);
if (!string.IsNullOrEmpty(directoryName))
{
Directory.CreateDirectory(directoryName);
}
FileStream stream = File.Open(filePath, FileMode.Create);
stream.Write(data, 0, data.Length);
stream.Dispose();
}
/// <inheritdoc />
public override byte[] GetAsset(string enginePath)
{
// Convert to embedded path.
bool found = InternalManifest.TryGetValue(enginePath, out string embeddedPath);
// Check if found.
if (!found)
{
return(new byte[0]);
}
byte[] data;
// Read the asset from the embedded file.
using (Stream stream = Assembly.GetManifestResourceStream(embeddedPath))
{
// Not found.
if (stream == null)
{
Engine.Log.Error($"Couldn't read asset [{enginePath}] with embedded path [{embeddedPath}].", MessageSource.AssetLoader);
return(new byte[0]);
}
// Read from stream.
data = new byte[stream.Length];
stream.Read(data, 0, (int)stream.Length);
}
return(data);
}
public void Test_Encrypt_Ballot_Simple_Succeeds()
{
// Configure the election context
var keypair = ElGamalKeyPair.FromSecret(Constants.TWO_MOD_Q);
var description = new Manifest(manifest_json);
var manifest = new InternalManifest(description);
var context = new CiphertextElectionContext(
1UL, 1UL, keypair.PublicKey, Constants.TWO_MOD_Q, manifest.ManifestHash);
var device = new EncryptionDevice(12345UL, 23456UL, 34567UL, "Location");
var mediator = new EncryptionMediator(manifest, context, device);
var ballot = new PlaintextBallot(plaintext_json);
// Act
var ciphertext = mediator.Encrypt(ballot);
// Assert
// a property
Assert.That(ciphertext.ObjectId == ballot.ObjectId);
// json serialization
var json = ciphertext.Json;
var fromJson = new CiphertextBallot(json);
Assert.That(ciphertext.ObjectId == fromJson.ObjectId);
// binary serialization
var bson = ciphertext.Bson;
var fromBson = CiphertextBallot.FromBson(bson);
Assert.That(ciphertext.ObjectId == fromBson.ObjectId);
// submitted ballot
var submitted = SubmittedBallot.From(ciphertext, BallotBoxState.cast);
Assert.That(ciphertext.ObjectId == submitted.ObjectId);
}
public void Test_Can_Deserlialze_Internal_Election_Description()
{
string data = "{\"ballot_styles\":[{\"geopolitical_unit_ids\":[\"geopolitical-unit-1\"],\"image_uri\":\"some-uri\",\"object_id\":\"some-ballot-style-id\",\"party_ids\":[\"party-1\"]}],\"contests\":[{\"ballot_placeholders\":[{\"candidate_id\":\"candidate-4-id\",\"object_id\":\"contest-1-placeholder-selection-4-id\",\"sequence_order\":4}],\"ballot_selections\":[{\"candidate_id\":\"candidate-1-id\",\"object_id\":\"contest-1-selection-1-id\",\"sequence_order\":1},{\"candidate_id\":\"candidate-2-id\",\"object_id\":\"contest-1-selection-2-id\",\"sequence_order\":2},{\"candidate_id\":\"candidate-3-id\",\"object_id\":\"contest-1-selection-3-id\",\"sequence_order\":3}],\"ballot_subtitle\":{\"text\":[{\"language\":\"en\",\"value\":\"some-title-string\"},{\"language\":\"es\",\"value\":\"some-title-string-es\"}]},\"ballot_title\":{\"text\":[{\"language\":\"en\",\"value\":\"some-title-string\"},{\"language\":\"es\",\"value\":\"some-title-string-es\"}]},\"electoral_district_id\":\"geopolitical-unit-1\",\"name\":\"contest-1-name\",\"number_elected\":2,\"object_id\":\"contest-1-id\",\"sequence_order\":1,\"vote_variation\":\"n_of_m\",\"votes_allowed\":2},{\"ballot_placeholders\":[{\"candidate_id\":\"candidate-3-id\",\"object_id\":\"contest-2-placeholder-selection-3-id\",\"sequence_order\":3}],\"ballot_selections\":[{\"candidate_id\":\"candidate-1-id\",\"object_id\":\"contest-2-selection-1-id\",\"sequence_order\":1},{\"candidate_id\":\"candidate-2-id\",\"object_id\":\"contest-2-selection-2-id\",\"sequence_order\":2}],\"ballot_subtitle\":{\"text\":[{\"language\":\"en\",\"value\":\"some-title-string\"},{\"language\":\"es\",\"value\":\"some-title-string-es\"}]},\"ballot_title\":{\"text\":[{\"language\":\"en\",\"value\":\"some-title-string\"},{\"language\":\"es\",\"value\":\"some-title-string-es\"}]},\"electoral_district_id\":\"geopolitical-unit-1\",\"name\":\"contest-2-name\",\"number_elected\":2,\"object_id\":\"contest-2-id\",\"sequence_order\":2,\"vote_variation\":\"n_of_m\",\"votes_allowed\":2}],\"manifest_hash\":\"02\",\"geopolitical_units\":[{\"contact_information\":{\"address_line\":[\"some-street\",\"some-city\",\"some-whatever\"],\"name\":\"gp-unit-contact-info\"},\"name\":\"district-1-id\",\"object_id\":\"geopolitical-unit-1\",\"type\":\"city\"}]}";
var result = new InternalManifest(data);
// Assert
Assert.That(result.ManifestHash.ToHex() == "02");
}
/// <inheritdoc />
/// <summary>
/// The folder relative to the executable where file assets will be loaded from.
/// </summary>
/// <param name="folder">The folder to load assets from.</param>
public FileAssetSource(string folder)
{
Folder = folder;
// Check if folder exists.
if (!Directory.Exists(Folder))
{
Directory.CreateDirectory(Folder);
}
// Populate internal manifest.
string[] files = Directory.GetFiles(Folder, "*", SearchOption.AllDirectories);
files.AsParallel().ForAll(x => InternalManifest.TryAdd(FilePathToCrossPlatform(x), x));
}
/// <inheritdoc />
public override DateTime GetAssetModified(string enginePath)
{
// Convert to file path.
bool found = InternalManifest.TryGetValue(enginePath, out string filePath);
// Check if found.
if (!found)
{
return(base.GetAssetModified(enginePath));
}
// The API actually allows for a file to be modified before it was created. lol
DateTime lastWrite = File.GetLastWriteTimeUtc(filePath);
DateTime creationTime = File.GetCreationTimeUtc(filePath);
int later = DateTime.Compare(lastWrite, creationTime);
return(later > 0 ? lastWrite : creationTime);
}
/// <summary>
/// Create a new source which loads assets embedded into the assembly.
/// </summary>
/// <param name="assembly">The assembly to load assets from.</param>
/// <param name="folder">The root embedded folder.</param>
public EmbeddedAssetSource(Assembly assembly, string folder)
{
Folder = folder.Replace("/", "$").Replace("\\", "$").Replace("$", ".");
Assembly = assembly;
string assemblyFullName = assembly.FullName;
Name = assemblyFullName.Substring(0, assemblyFullName.IndexOf(",", StringComparison.Ordinal));
// Populate internal manifest.
Assembly.GetManifestResourceNames().AsParallel().ForAll(x =>
{
string enginePath = EmbeddedPathToEnginePath(x);
if (enginePath != null)
{
InternalManifest.TryAdd(enginePath, x);
}
});
}
/// <inheritdoc />
public override byte[] GetAsset(string enginePath)
{
// Convert to file path.
bool found = InternalManifest.TryGetValue(enginePath, out string filePath);
// Check if found.
if (!found)
{
return(new byte[0]);
}
// Check if exists.
if (File.Exists(filePath))
{
return(File.ReadAllBytes(filePath));
}
Engine.Log.Error($"Couldn't read asset {enginePath} with file path {filePath}.", MessageSource.AssetLoader);
return(new byte[0]);
}
public void Test_Compact_Encrypt_Ballot_Simple_Succeeds()
{
var keypair = ElGamalKeyPair.FromSecret(Constants.TWO_MOD_Q);
var description = new Manifest(jsonManifest);
var manifest = new InternalManifest(description);
var context = new CiphertextElectionContext(1UL, 1UL, keypair.PublicKey, Constants.TWO_MOD_Q, manifest.ManifestHash);
var device = new EncryptionDevice(12345UL, 23456UL, 34567UL, "Location");
var mediator = new EncryptionMediator(manifest, context, device);
var ballot = new PlaintextBallot(plaintext);
// Act
var compact = mediator.CompactEncrypt(ballot);
// Assert
Assert.That(compact.ObjectId == ballot.ObjectId);
var msgpack = compact.ToMsgPack();
var fromMsgpack = new CompactCiphertextBallot(msgpack);
Assert.That(compact.ObjectId == fromMsgpack.ObjectId);
}
protected void PopulateInternalManifest()
{
InternalManifest.Clear();
string[] files = Directory.GetFiles(Folder, "*", SearchOption.AllDirectories);
files.AsParallel().ForAll(x => InternalManifest.TryAdd(FilePathToEnginePath(x), x));
}
