cambios denuncias

This commit is contained in:
2026-05-06 13:48:23 +02:00
parent 1d1211d372
commit 8553dfe90c
76 changed files with 1355 additions and 484 deletions

View File

@@ -1,27 +1,37 @@
using System.Reflection;
using System.Security.Cryptography;
using System.Text;
using GestionaDenunciasAN.Models;
using GestionaDenunciasAN.Services;
using ApiDenuncias.Helpers;
using GestionaDenuncias.Shared.Models;
using ApiDenuncias.Services;
using Microsoft.AspNetCore.DataProtection;
namespace ApiDenuncias.Services;
public sealed class EncryptedDenunciaStore : IDenunciaStore
{
private const string ProtectedStringPrefix = "enc:v1:";
private static readonly byte[] ProtectedBytesPrefix = Encoding.ASCII.GetBytes("enc:v1:");
private const string DataProtectionStringPrefix = "enc:v1:";
private const string KeyVaultStringPrefix = "enc:v2:";
private static readonly byte[] DataProtectionBytesPrefix = Encoding.ASCII.GetBytes("enc:v1:");
private static readonly byte[] KeyVaultBytesPrefix = Encoding.ASCII.GetBytes("enc:v2:");
private const int AesGcmNonceSize = 12;
private const int AesGcmTagSize = 16;
private static readonly PropertyInfo[] ComplaintProperties = typeof(DenunciasGestiona)
.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(property => property.CanRead && property.CanWrite)
.ToArray();
private readonly MySqlDenunciaStore _inner;
private readonly IEncryptionKeyProvider _encryptionKeyProvider;
private readonly IDataProtector _protector;
public EncryptedDenunciaStore(MySqlDenunciaStore inner, IDataProtectionProvider dataProtectionProvider)
public EncryptedDenunciaStore(
MySqlDenunciaStore inner,
IEncryptionKeyProvider encryptionKeyProvider,
IDataProtectionProvider dataProtectionProvider)
{
_inner = inner;
_encryptionKeyProvider = encryptionKeyProvider;
_protector = dataProtectionProvider.CreateProtector("ApiDenuncias.DatabaseSensitiveData.v1");
}
@@ -29,31 +39,47 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
=> _inner.EnsureSchemaAsync(cancellationToken);
public async Task<List<DenunciasGestiona>> GetAllDenunciasAsync(CancellationToken cancellationToken = default)
=> (await _inner.GetAllDenunciasAsync(cancellationToken))
.Select(UnprotectComplaint)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
return (await _inner.GetAllDenunciasAsync(cancellationToken))
.Select(denuncia => UnprotectComplaint(denuncia, key))
.ToList();
}
public async Task<List<FicherosDenuncias>> GetAllFicherosAsync(CancellationToken cancellationToken = default)
=> (await _inner.GetAllFicherosAsync(cancellationToken))
.Select(UnprotectAttachment)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
return (await _inner.GetAllFicherosAsync(cancellationToken))
.Select(fichero => UnprotectAttachment(fichero, key))
.ToList();
}
public async Task<List<FicherosDenuncias>> GetFicherosByDenunciaAsync(int denunciaId, CancellationToken cancellationToken = default)
=> (await _inner.GetFicherosByDenunciaAsync(denunciaId, cancellationToken))
.Select(UnprotectAttachment)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
return (await _inner.GetFicherosByDenunciaAsync(denunciaId, cancellationToken))
.Select(fichero => UnprotectAttachment(fichero, key))
.ToList();
}
public async Task<DenunciasGestiona?> GetDenunciaByIdAsync(int denunciaId, CancellationToken cancellationToken = default)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
var denuncia = await _inner.GetDenunciaByIdAsync(denunciaId, cancellationToken);
return denuncia is null ? null : UnprotectComplaint(denuncia);
return denuncia is null ? null : UnprotectComplaint(denuncia, key);
}
public Task UpsertDenunciaAsync(DenunciasGestiona denuncia, CancellationToken cancellationToken = default)
=> _inner.UpsertDenunciaAsync(ProtectComplaint(denuncia), cancellationToken);
public async Task UpsertDenunciaAsync(DenunciasGestiona denuncia, CancellationToken cancellationToken = default)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
await _inner.UpsertDenunciaAsync(ProtectComplaint(denuncia, key), cancellationToken);
}
public Task UpsertFicherosAsync(IEnumerable<FicherosDenuncias> ficheros, CancellationToken cancellationToken = default)
=> _inner.UpsertFicherosAsync(ficheros.Select(ProtectAttachment).ToArray(), cancellationToken);
public async Task UpsertFicherosAsync(IEnumerable<FicherosDenuncias> ficheros, CancellationToken cancellationToken = default)
{
var key = await _encryptionKeyProvider.GetKeyAsync(cancellationToken);
await _inner.UpsertFicherosAsync(ficheros.Select(fichero => ProtectAttachment(fichero, key)).ToArray(), cancellationToken);
}
public Task MarkFicherosAsUploadedAsync(
int denunciaId,
@@ -62,11 +88,106 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
CancellationToken cancellationToken = default)
=> _inner.MarkFicherosAsUploadedAsync(denunciaId, fileNames, uploadedAtUtc, cancellationToken);
private DenunciasGestiona ProtectComplaint(DenunciasGestiona source)
=> TransformComplaint(source, ProtectString);
private DenunciasGestiona ProtectComplaint(DenunciasGestiona source, byte[] key)
=> TransformComplaint(ToPersistentComplaint(source), value => ProtectString(value, key));
private DenunciasGestiona UnprotectComplaint(DenunciasGestiona source)
=> TransformComplaint(source, UnprotectString);
private DenunciasGestiona UnprotectComplaint(DenunciasGestiona source, byte[] key)
{
var decrypted = TransformComplaint(source, value => UnprotectString(value, key));
return RebuildComplaintFromPayload(decrypted);
}
private static DenunciasGestiona ToPersistentComplaint(DenunciasGestiona source)
{
return new DenunciasGestiona
{
// Permanentes tecnicos y de trazabilidad.
Id_RegistroDenuncia = source.Id_RegistroDenuncia,
Id_Denuncia = source.Id_Denuncia,
Fecha = source.Fecha,
Expediente_Gestiona = source.Expediente_Gestiona,
CodigoExpedienteGestiona = source.CodigoExpedienteGestiona,
Id_Persona_Gestiona = source.Id_Persona_Gestiona,
Etiqueta = source.Etiqueta,
Estado = source.Estado,
Confidencial = source.Confidencial,
EsActualizacion = source.EsActualizacion,
ProcedureId = source.ProcedureId,
GroupId = source.GroupId,
NombreDenuncia = source.NombreDenuncia,
EstadoDenuncia = source.EstadoDenuncia,
ArchivoElegido = source.ArchivoElegido,
FechaSubidaAGestiona = source.FechaSubidaAGestiona,
EnGestiona = source.EnGestiona,
EnRechazada = source.EnRechazada,
// Payload temporal cifrado. Los campos funcionales se derivan de aqui al leer.
CamposFormularioJson = source.CamposFormularioJson,
TextoOriginalReport = source.TextoOriginalReport
};
}
private static DenunciasGestiona RebuildComplaintFromPayload(DenunciasGestiona stored)
{
var rebuilt = TryParseStoredReport(stored) ?? new DenunciasGestiona();
if (rebuilt.Id_Denuncia == 0)
{
rebuilt.Id_Denuncia = stored.Id_Denuncia;
}
if (rebuilt.Fecha == DateTime.MinValue)
{
rebuilt.Fecha = stored.Fecha;
}
if (string.IsNullOrWhiteSpace(rebuilt.CamposFormularioJson))
{
rebuilt.CamposFormularioJson = stored.CamposFormularioJson;
}
rebuilt.TextoOriginalReport = stored.TextoOriginalReport;
ApplyPersistentTechnicalFields(rebuilt, stored);
return rebuilt;
}
private static DenunciasGestiona? TryParseStoredReport(DenunciasGestiona stored)
{
if (string.IsNullOrWhiteSpace(stored.TextoOriginalReport))
{
return null;
}
try
{
return ReportParser.ParseReport(stored.TextoOriginalReport);
}
catch
{
return null;
}
}
private static void ApplyPersistentTechnicalFields(DenunciasGestiona target, DenunciasGestiona stored)
{
target.Id_RegistroDenuncia = stored.Id_RegistroDenuncia;
target.Id_Denuncia = stored.Id_Denuncia == 0 ? target.Id_Denuncia : stored.Id_Denuncia;
target.Expediente_Gestiona = stored.Expediente_Gestiona;
target.CodigoExpedienteGestiona = stored.CodigoExpedienteGestiona;
target.Id_Persona_Gestiona = stored.Id_Persona_Gestiona;
target.Etiqueta = stored.Etiqueta;
target.Estado = stored.Estado;
target.Confidencial = stored.Confidencial || target.Confidencial;
target.EsActualizacion = stored.EsActualizacion;
target.ProcedureId = stored.ProcedureId;
target.GroupId = stored.GroupId;
target.NombreDenuncia = stored.NombreDenuncia;
target.EstadoDenuncia = stored.EstadoDenuncia;
target.ArchivoElegido = stored.ArchivoElegido;
target.FechaSubidaAGestiona = stored.FechaSubidaAGestiona;
target.EnGestiona = stored.EnGestiona;
target.EnRechazada = stored.EnRechazada;
}
private static DenunciasGestiona TransformComplaint(DenunciasGestiona source, Func<string, string> transformString)
{
@@ -88,7 +209,7 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
return target;
}
private FicherosDenuncias ProtectAttachment(FicherosDenuncias source)
private FicherosDenuncias ProtectAttachment(FicherosDenuncias source, byte[] key)
{
var content = source.Fichero ?? [];
var hash = string.IsNullOrWhiteSpace(source.ContentSha256)
@@ -99,56 +220,77 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
{
Id_Fichero = source.Id_Fichero,
Id_Tipo = source.Id_Tipo,
Descripcion = ProtectString(source.Descripcion ?? string.Empty),
Descripcion = ProtectString(source.Descripcion ?? string.Empty, key),
Fecha = source.Fecha,
Observaciones = ProtectString(source.Observaciones ?? string.Empty),
Observaciones = ProtectString(source.Observaciones ?? string.Empty, key),
Id_Denuncia = source.Id_Denuncia,
NombreFichero = source.NombreFichero,
Fichero = ProtectBytes(content),
Fichero = ProtectBytes(content, key),
Subido = source.Subido,
FechaSubida = source.FechaSubida,
ContentSha256 = hash
};
}
private FicherosDenuncias UnprotectAttachment(FicherosDenuncias source)
private FicherosDenuncias UnprotectAttachment(FicherosDenuncias source, byte[] key)
{
return new FicherosDenuncias
{
Id_Fichero = source.Id_Fichero,
Id_Tipo = source.Id_Tipo,
Descripcion = UnprotectString(source.Descripcion ?? string.Empty),
Descripcion = UnprotectString(source.Descripcion ?? string.Empty, key),
Fecha = source.Fecha,
Observaciones = UnprotectString(source.Observaciones ?? string.Empty),
Observaciones = UnprotectString(source.Observaciones ?? string.Empty, key),
Id_Denuncia = source.Id_Denuncia,
NombreFichero = source.NombreFichero,
Fichero = UnprotectBytes(source.Fichero ?? []),
Fichero = UnprotectBytes(source.Fichero ?? [], key),
Subido = source.Subido,
FechaSubida = source.FechaSubida,
ContentSha256 = source.ContentSha256
};
}
private string ProtectString(string value)
private string ProtectString(string value, byte[] key)
{
if (string.IsNullOrWhiteSpace(value) || value.StartsWith(ProtectedStringPrefix, StringComparison.Ordinal))
if (string.IsNullOrWhiteSpace(value) ||
value.StartsWith(KeyVaultStringPrefix, StringComparison.Ordinal) ||
value.StartsWith(DataProtectionStringPrefix, StringComparison.Ordinal))
{
return value;
}
return ProtectedStringPrefix + _protector.Protect(value);
var encrypted = EncryptBytes(Encoding.UTF8.GetBytes(value), key);
return KeyVaultStringPrefix + Convert.ToBase64String(encrypted);
}
private string UnprotectString(string value)
private string UnprotectString(string value, byte[] key)
{
if (string.IsNullOrWhiteSpace(value) || !value.StartsWith(ProtectedStringPrefix, StringComparison.Ordinal))
if (string.IsNullOrWhiteSpace(value))
{
return value;
}
if (value.StartsWith(KeyVaultStringPrefix, StringComparison.Ordinal))
{
try
{
var encrypted = Convert.FromBase64String(value[KeyVaultStringPrefix.Length..]);
return Encoding.UTF8.GetString(DecryptBytes(encrypted, key));
}
catch
{
return value;
}
}
if (!value.StartsWith(DataProtectionStringPrefix, StringComparison.Ordinal))
{
return value;
}
try
{
return _protector.Unprotect(value[ProtectedStringPrefix.Length..]);
return _protector.Unprotect(value[DataProtectionStringPrefix.Length..]);
}
catch
{
@@ -156,28 +298,48 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
}
}
private byte[] ProtectBytes(byte[] value)
private byte[] ProtectBytes(byte[] value, byte[] key)
{
if (value.Length == 0 || StartsWith(value, ProtectedBytesPrefix))
if (value.Length == 0 ||
StartsWith(value, KeyVaultBytesPrefix) ||
StartsWith(value, DataProtectionBytesPrefix))
{
return value;
}
var protectedBytes = _protector.Protect(value);
var base64Bytes = Encoding.ASCII.GetBytes(Convert.ToBase64String(protectedBytes));
return [.. ProtectedBytesPrefix, .. base64Bytes];
var encrypted = EncryptBytes(value, key);
var base64Bytes = Encoding.ASCII.GetBytes(Convert.ToBase64String(encrypted));
return [.. KeyVaultBytesPrefix, .. base64Bytes];
}
private byte[] UnprotectBytes(byte[] value)
private byte[] UnprotectBytes(byte[] value, byte[] key)
{
if (value.Length == 0 || !StartsWith(value, ProtectedBytesPrefix))
if (value.Length == 0)
{
return value;
}
if (StartsWith(value, KeyVaultBytesPrefix))
{
try
{
var base64 = Encoding.ASCII.GetString(value, KeyVaultBytesPrefix.Length, value.Length - KeyVaultBytesPrefix.Length);
return DecryptBytes(Convert.FromBase64String(base64), key);
}
catch
{
return value;
}
}
if (!StartsWith(value, DataProtectionBytesPrefix))
{
return value;
}
try
{
var base64 = Encoding.ASCII.GetString(value, ProtectedBytesPrefix.Length, value.Length - ProtectedBytesPrefix.Length);
var base64 = Encoding.ASCII.GetString(value, DataProtectionBytesPrefix.Length, value.Length - DataProtectionBytesPrefix.Length);
return _protector.Unprotect(Convert.FromBase64String(base64));
}
catch
@@ -186,6 +348,36 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore
}
}
private static byte[] EncryptBytes(byte[] plainBytes, byte[] key)
{
var nonce = RandomNumberGenerator.GetBytes(AesGcmNonceSize);
var cipherBytes = new byte[plainBytes.Length];
var tag = new byte[AesGcmTagSize];
using var aes = new AesGcm(key, AesGcmTagSize);
aes.Encrypt(nonce, plainBytes, cipherBytes, tag);
return [.. nonce, .. tag, .. cipherBytes];
}
private static byte[] DecryptBytes(byte[] encryptedBytes, byte[] key)
{
if (encryptedBytes.Length < AesGcmNonceSize + AesGcmTagSize)
{
throw new CryptographicException("Payload cifrado invalido.");
}
var nonce = encryptedBytes.AsSpan(0, AesGcmNonceSize);
var tag = encryptedBytes.AsSpan(AesGcmNonceSize, AesGcmTagSize);
var cipherBytes = encryptedBytes.AsSpan(AesGcmNonceSize + AesGcmTagSize);
var plainBytes = new byte[cipherBytes.Length];
using var aes = new AesGcm(key, AesGcmTagSize);
aes.Decrypt(nonce, cipherBytes, tag, plainBytes);
return plainBytes;
}
private static bool StartsWith(byte[] value, byte[] prefix)
{
if (value.Length < prefix.Length)