public static List <Decrypted_logline> get_database_logs()
{
try
{
string queryString = "select * from logs";
var command = new Microsoft.Data.SqlClient.SqlCommand(queryString, database_connection);
if (command.Connection.State != System.Data.ConnectionState.Open)
{
command.Connection.Open();
}
command.ExecuteNonQuery();
var reader = command.ExecuteReader();
List <Decrypted_logline> logs = new List <Decrypted_logline>();
while (reader.Read())
{
//DEFINE BYTE LENGTH
//byte[] EncryptedBytes = new byte[1024];
//reader.GetBytes(1, 0, EncryptedBytes, 0, 1024);
byte[] EncryptedBytes = (byte[])reader[2];
//count non-zero end bytes
int nonZeroBytes = 0;
for (int i = EncryptedBytes.Length - 1; i > -1; i--)
{
if (EncryptedBytes[i] == 0x00)
{
nonZeroBytes++;
}
else
{
break;
}
}
var DecryptedBytes = AesInst.CreateDecryptor().TransformFinalBlock(EncryptedBytes, 0, EncryptedBytes.Length - nonZeroBytes);
var DecryptedChars = Encoding.UTF8.GetChars(DecryptedBytes);
var Decrypted_Text = new string(DecryptedChars);
logs.Add(new Decrypted_logline(reader.GetDateTime(3), reader.GetString(1), Decrypted_Text));
}
command.Connection.Close();
return(logs);
}
catch
{
string queryString = "select * from logs";
var command = new Microsoft.Data.SqlClient.SqlCommand(queryString, database_connection);
if (command.Connection.State == System.Data.ConnectionState.Open)
{
command.Connection.Close();
}
return(new List <Decrypted_logline>());
}
}
public bool MarkAsFailed(int id)
{
using (var conn = new Microsoft.Data.SqlClient.SqlConnection(_connectionString))
{
conn.Open();
var cmd = new Microsoft.Data.SqlClient.SqlCommand("update SavedQueryMeta set UsedDate = @lastUsed, Runs = Runs + 1, Fails = Fails + 1 where QueryId = @queryId", conn);
cmd.Parameters.AddWithValue("queryId", id);
cmd.Parameters.AddWithValue("lastUsed", DateTime.Now);
return(cmd.ExecuteNonQuery() == 1);
}
}
private void CorrigirOrdens(long idSuperior)
{
var itens = Filter(item => item.IdSuperior == idSuperior).OrderBy(it => it.Ordem).ToList();
var strBuilder = new StringBuilder();
short ordem = 0;
foreach (var it in itens)
{
ordem++;
if (ordem != it.Ordem)
{
strBuilder.AppendLine($"update ProjetoEstruturaOrganizacional set Ordem = {ordem} where Id = {it.Id};");
}
}
if (strBuilder.Length > 0)
{
Exception excSql = null;
using var connection = new Microsoft.Data.SqlClient.SqlConnection(databaseContext.Database.GetDbConnection().ConnectionString);
connection.Open();
var transaction = connection.BeginTransaction();
using (var command = new Microsoft.Data.SqlClient.SqlCommand(strBuilder.ToString(), connection, transaction))
{
try
{
command.ExecuteNonQuery();
transaction.Commit();
}
catch (Exception exc)
{
excSql = exc;
transaction.Rollback();
}
}
connection.Close();
if (excSql != null)
{
throw excSql;
}
}
}
public static int log_error(DateTime logDateTime, string labnumber, string logtext)
{
try
{
if (logtext.Length >= 256 || labnumber.Length >= 40)
{
throw new Exception("Too long!");
}
var log_in_char = logtext.ToArray();
byte[] log_bytes = Encoding.UTF8.GetBytes(log_in_char);
var encrypted_log = AesInst.CreateEncryptor().TransformFinalBlock(log_bytes, 0, log_bytes.Length);
string encrypted_log_HEX = "0x";
foreach (byte part in encrypted_log)
{
encrypted_log_HEX += part.ToString("X2");
}
string queryString = "insert into logs values(\'" + labnumber + "\', " + encrypted_log_HEX + ", CURRENT_TIMESTAMP)";
Microsoft.Data.SqlClient.SqlCommand command = new Microsoft.Data.SqlClient.SqlCommand(queryString, database_connection);
if (command.Connection.State != System.Data.ConnectionState.Open)
{
command.Connection.Open();
}
command.ExecuteNonQuery();
command.Connection.Close();
return(0);
}
catch
{
return(-1);
}
}
protected override void AfterUpdate(Indicador oldValue, Indicador newValue)
{
if (oldValue.Identificador != newValue.Identificador && oldValue.TipoCalculo == TipoCalculo.NaoCalculado)
{
Exception excSql = null;
string termoPesquisa = $"[{oldValue.Identificador}]";
string novoIdentificador = $"[{newValue.Identificador}]";
using var connection = new Microsoft.Data.SqlClient.SqlConnection(databaseContext.Database.GetDbConnection().ConnectionString);
connection.Open();
var transaction = connection.BeginTransaction();
string sqlUpdate = $"update Indicador set Formula = replace(Formula, '{termoPesquisa}', '{novoIdentificador}') where TipoCalculo <> 1 and Formula like '%{termoPesquisa}%'";
using (var command = new Microsoft.Data.SqlClient.SqlCommand(sqlUpdate, connection, transaction))
{
try
{
command.ExecuteNonQuery();
transaction.Commit();
}
catch (Exception exc)
{
excSql = exc;
transaction.Rollback();
}
}
connection.Close();
if (excSql != null)
{
throw excSql;
}
}
if (oldValue.Corporativo && !newValue.Corporativo)
{
var lista = projetoEstruturaOrganizacionalRepository.Filter(item => item.Tipo == TipoProjetoEstruturaOrganizacional.Corporativo && item.IdIndicador == newValue.Id);
var listaIds = new List <long>();
lista?.ToList()?.ForEach(item => listaIds.Add(item.Id));
projetoEstruturaOrganizacionalRepository.DeleteMany(listaIds);
}
}
public static void GetPrivateKeyFromDB()
{
//getting key
string queryString = "select * from keys where login_id=" + user_id.ToString();
var command_newkey = new Microsoft.Data.SqlClient.SqlCommand(queryString, database_connection);
if (command_newkey.Connection.State != System.Data.ConnectionState.Open)
{
command_newkey.Connection.Open();
}
command_newkey.ExecuteNonQuery();
var reader = command_newkey.ExecuteReader();
byte[] dbprivkey = new byte[48];
byte[] dbiv = new byte[32];
while (reader.Read())
{
reader.GetBytes(1, 0, dbprivkey, 0, 48);
reader.GetBytes(2, 0, dbiv, 0, 32);
}
AesInst = System.Security.Cryptography.Aes.Create();
var privKeysha256 = MathOperations.sha256_byte(userpassword);
var ivmd5 = MathOperations.md5_byte(userpassword);
//enc private key with sha256(pwd) and md5(pwd)
AesInst.Key = privKeysha256;
AesInst.IV = ivmd5;
var SecretKey = AesInst.CreateDecryptor().TransformFinalBlock(dbprivkey, 0, dbprivkey.Length);
var InitVector = AesInst.CreateDecryptor().TransformFinalBlock(dbiv, 0, dbiv.Length);
//apply decrypted key
AesInst.Key = SecretKey;
AesInst.IV = InitVector;
command_newkey.Connection.Close();
}
public void AvancarNivel(long id, long idSuperior)
{
CorrigirOrdens(idSuperior);
var itens = Filter(item => item.IdSuperior == idSuperior).OrderBy(it => it.Ordem).ToList();
if (itens.Last().Id == id)
{
throw new Exception("Item não pode avançar.");
}
short ordem = itens.First(it => it.Id == id).Ordem;
long idAfterElement = itens.First(it => it.Ordem == ordem + 1).Id;
Exception excSql = null;
using var connection = new Microsoft.Data.SqlClient.SqlConnection(databaseContext.Database.GetDbConnection().ConnectionString);
connection.Open();
var transaction = connection.BeginTransaction();
string sql = $"update ProjetoEstruturaOrganizacional set Ordem = {ordem + 1} where Id = {id}; update ProjetoEstruturaOrganizacional set Ordem = {ordem} where Id = {idAfterElement};";
using (var command = new Microsoft.Data.SqlClient.SqlCommand(sql, connection, transaction))
{
try
{
command.ExecuteNonQuery();
transaction.Commit();
}
catch (Exception exc)
{
excSql = exc;
transaction.Rollback();
}
}
connection.Close();
if (excSql != null)
{
throw excSql;
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
if (textBox_prevpwd.Text != MSSQL_logging.userpassword)
{
throw new Exception("Пароль не соответствует текущему");
}
if (textBox_newpwd.TextLength < 14)
{
throw new Exception("Минимальная длина пароля - 14 символов");
}
if (textBox_newpwd.Text != textBox_newPwdCopy.Text)
{
throw new Exception("Новые пароли не совпадают");
}
//checking for bad passwords
bool bad = false;
foreach (var pwd in badpwdlist)
{
if (pwd == textBox_newpwd.Text)
{
bad = true;
break;
}
}
if (bad)
{
throw new Exception("Выбран слабый пароль!");
}
//hashing
string hash = MathOperations.sha256(textBox_newpwd.Text);
//update password ===============
string query = "update logins set hash='" + hash + "' where id=" + MSSQL_logging.user_id.ToString();
var command = new Microsoft.Data.SqlClient.SqlCommand(query, MSSQL_logging.database_connection);
if (command.Connection.State != System.Data.ConnectionState.Open)
{
command.Connection.Open();
}
command.ExecuteNonQuery();
//delete old pwd =============
query = "delete from keys where login_id=" + MSSQL_logging.user_id;
command.CommandText = query;
command.ExecuteNonQuery();
//renew key =================
MSSQL_logging.GetPrivateKeyFromDB();
var aesInst = System.Security.Cryptography.Aes.Create();
var privKeysha256 = MathOperations.sha256_byte(textBox_newpwd.Text);
var ivmd5 = MathOperations.md5_byte(textBox_newpwd.Text);
//enc private key with sha256(pwd) and md5(pwd)
aesInst.Key = privKeysha256;
aesInst.IV = ivmd5;
var Encrypted_SK = aesInst.CreateEncryptor().TransformFinalBlock(MSSQL_logging.AesInst.Key, 0, MSSQL_logging.AesInst.Key.Length);
string Encrypted_SK_String_HEX = "0x";
foreach (byte part in Encrypted_SK)
{
Encrypted_SK_String_HEX += part.ToString("X2");
}
var Encrypted_IV = aesInst.CreateEncryptor().TransformFinalBlock(MSSQL_logging.AesInst.IV, 0, MSSQL_logging.AesInst.IV.Length);
string Encrypted_IV_String_HEX = "0x";
foreach (byte part in Encrypted_IV)
{
Encrypted_IV_String_HEX += part.ToString("X2");
}
query = "insert into keys values (" + MSSQL_logging.user_id.ToString() + ", " + Encrypted_SK_String_HEX + ", " + Encrypted_IV_String_HEX + ")";
command.CommandText = query;
command.ExecuteNonQuery();
command.Connection.Close();
//renew obj=================
MSSQL_logging.userpassword = textBox_newpwd.Text;
MSSQL_logging.GetPrivateKeyFromDB();
MessageBox.Show("Успешно!", "Уведомление", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public ImpotacaoLancamentosDto GerarLancamentos(IEnumerable <ImpotacaoLancamentos> lancamentos)
{
var builderErros = new System.Text.StringBuilder();
var builderStatus = new System.Text.StringBuilder();
var comandos = new List <Tuple <string, decimal, decimal, long?> >();
int numeroLinha = 0;
foreach (var item in lancamentos)
{
numeroLinha++;
var erros = new System.Text.StringBuilder();
var projeto = databaseContext.Projeto.FirstOrDefault(it => it.Id == item.IdProjeto);
if (projeto is null)
{
erros.Append(" O ID de projeto não existe. ");
}
var dataAtual = DateTime.UtcNow.Date;
if (!projeto.Ativo || projeto.DataInicio.Date > dataAtual || projeto.DataTermino < dataAtual)
{
erros.Append(" O projeto deve estar ativo e dentro da vigência atual. ");
}
var indicador = databaseContext.Indicador.FirstOrDefault(it => it.Identificador == item.Identificador);
if (indicador is null)
{
erros.Append(" O identificador não existe. ");
}
if (erros.Length > 1)
{
builderErros.AppendLine($"A linha {numeroLinha} está com problema(s): '{erros.ToString()}'.");
}
else if (builderErros.Length == 0)
{
var lancamento = databaseContext.IndicadorLancamentos.FirstOrDefault(it => it.IdProjeto == item.IdProjeto && it.IdIndicador == indicador.Id && it.Ano == item.Ano && it.Mes == item.Mes);
decimal valorMeta = 0.00m;
decimal valorRealizado = 0.00m;
string status = "Valor da meta e valor do realizado foram zerados porque o tipo de cálculo do indicador está definido como 'Meta e realizado calculados'.";
if (indicador.TipoCalculo == TipoCalculo.NaoCalculado)
{
valorMeta = item.ValorMeta;
valorRealizado = item.ValorRealizado;
status = string.Empty;
}
else if (indicador.TipoCalculo == TipoCalculo.SomenteMeta)
{
valorRealizado = item.ValorRealizado;
status = "Valor da meta foi zerado porque o tipo de cálculo do indicador está definido como 'Meta calculada'.";
}
else if (indicador.TipoCalculo == TipoCalculo.SomenteRealizado)
{
valorMeta = item.ValorMeta;
status = "Valor do realizado foi zerado porque o tipo de cálculo do indicador está definido como 'Realizado calculado'.";
}
if (lancamento is null)
{
comandos.Add(new Tuple <string, decimal, decimal, long?>($"insert into IndicadorLancamento (IdProjeto, IdIndicador, Ano, Mes, ValorMeta, ValorRealizado) values ({item.IdProjeto}, {indicador.Id}, {item.Ano}, {item.Mes}, @p1, @p2);", valorMeta, valorRealizado, null));
builderStatus.Append($"<p style='color:green'>A linha {numeroLinha} foi <b>inserida</b> com sucesso. (<i style='color:orange'>{status}</i>)</p><br/>").Replace("(<i style='color:orange'></i>)", string.Empty);
}
else
{
comandos.Add(new Tuple <string, decimal, decimal, long?>("update IndicadorLancamento set ValorMeta = @p1, ValorRealizado = @p2 where Id = @p3;", valorMeta, valorRealizado, lancamento.Id));
builderStatus.Append($"<p style='color:blue'>A linha {numeroLinha} foi <b>atualizada</b> com sucesso. (<i style='color:orange'>{status}</i>)</p><br/>").Replace("(<i style='color:orange'></i>)", string.Empty);
}
}
}
if (builderErros.Length > 1)
{
return(new ImpotacaoLancamentosDto
{
Sucesso = false,
Mensagem = builderErros.ToString().Replace(Environment.NewLine, "<br/>")
});
}
string erro = null;
using var context = new Microsoft.Data.SqlClient.SqlConnection(databaseContext.Database.GetDbConnection().ConnectionString);
context.Open();
using var transaction = context.BeginTransaction();
foreach (var item in comandos)
{
using var cmd = new Microsoft.Data.SqlClient.SqlCommand(item.Item1, context, transaction);
try
{
cmd.Parameters.AddWithValue("p1", item.Item2);
cmd.Parameters.AddWithValue("p2", item.Item3);
if (item.Item4.HasValue)
{
cmd.Parameters.AddWithValue("p3", item.Item4.Value);
}
cmd.ExecuteNonQuery();
}
catch (Exception exc)
{
erro = exc.Message;
break;
}
}
try
{
if (erro is null)
{
transaction.Commit();
}
else
{
transaction.Rollback();
}
context.Close();
}
catch { }
if (erro != null)
{
return(new ImpotacaoLancamentosDto
{
Sucesso = false,
Mensagem = erro
});
}
return(new ImpotacaoLancamentosDto
{
Sucesso = true,
Mensagem = builderStatus.ToString()
});
}
private void button1_Click(object sender, EventArgs e)
{
try
{
string host = textBox_host.Text;
string port = textBox_port.Text;
//resolving host string
string hostString = "tcp:" + host;
if (port != "Default" && port != "")
{
hostString += ", " + port;
}
string getLoginsLogin = "******";
string getLoginsPassw = "ceb3478&Bc23b2&";
Microsoft.Data.SqlClient.SqlConnectionStringBuilder extractLoginsConnBuilder = new Microsoft.Data.SqlClient.SqlConnectionStringBuilder();
extractLoginsConnBuilder.DataSource = hostString;
extractLoginsConnBuilder.ConnectTimeout = 10;
extractLoginsConnBuilder.UserID = getLoginsLogin;
extractLoginsConnBuilder.Password = getLoginsPassw;
extractLoginsConnBuilder.Authentication = Microsoft.Data.SqlClient.SqlAuthenticationMethod.SqlPassword;
extractLoginsConnBuilder.IntegratedSecurity = false;
extractLoginsConnBuilder.TrustServerCertificate = true;
string queryString = "select * from logins";
StringBuilder errorMessages = new StringBuilder();
int user_id = 0;
using (Microsoft.Data.SqlClient.SqlConnection connection1 = new Microsoft.Data.SqlClient.SqlConnection(extractLoginsConnBuilder.ConnectionString))
{
Microsoft.Data.SqlClient.SqlCommand command1 = new Microsoft.Data.SqlClient.SqlCommand(queryString, connection1);
try
{
command1.Connection.Open();
command1.ExecuteNonQuery();
var reader = command1.ExecuteReader();
if (!reader.HasRows)
{
throw new Exception("Provided login not found or password is incorrect");
}
string login = textBox_login.Text;
string password = textBox_password.Text;
string hash = MathOperations.sha256(password);
bool login_in = false;
while (reader.Read())
{
if (reader.GetString(1) == login && reader.GetString(2) == hash)
{
user_id = reader.GetInt32(0);
login_in = true;
}
}
reader.Close();
command1.Connection.Close();
if (!login_in)
{
throw new Exception("Provided login not found or password is incorrect");
}
}
catch (Microsoft.Data.SqlClient.SqlException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
errorMessages.Append("Index #" + i + "\n" +
"Message: " + ex.Errors[i].Message + "\n" +
"LineNumber: " + ex.Errors[i].LineNumber + "\n" +
"Source: " + ex.Errors[i].Source + "\n" +
"Procedure: " + ex.Errors[i].Procedure + "\n");
}
throw new Exception(errorMessages.ToString());
}
}
string basicLogin = "******";
string basicPassw = "n3i7A7834bo&T21h@tbn";
extractLoginsConnBuilder.UserID = basicLogin;
extractLoginsConnBuilder.Password = basicPassw;
queryString = "select * from keys";
Microsoft.Data.SqlClient.SqlConnection connection = new Microsoft.Data.SqlClient.SqlConnection(extractLoginsConnBuilder.ConnectionString);
Microsoft.Data.SqlClient.SqlCommand command = new Microsoft.Data.SqlClient.SqlCommand(queryString, connection);
try
{
command.Connection.Open();
command.ExecuteNonQuery();
//check if user has key
var reader = command.ExecuteReader();
bool has_key = false;
while (reader.Read())
{
if (reader.GetInt32(0) == user_id)
{
has_key = true;
}
}
reader.Close();
if (!has_key)
{
MessageBox.Show("Ключ не найден. Сейчас будет сгенерирован новый ключ и добавлен в базу данных.", "Внимание", MessageBoxButtons.OK, MessageBoxIcon.Warning);
var aesInst = System.Security.Cryptography.Aes.Create();
var privkey = aesInst.Key;
var iv = aesInst.IV;
var privKeysha256 = MathOperations.sha256_byte(textBox_password.Text);
var ivmd5 = MathOperations.md5_byte(textBox_password.Text);
//enc private key with sha256(pwd) and md5(pwd)
aesInst.Key = privKeysha256;
aesInst.IV = ivmd5;
var Encrypted_SK = aesInst.CreateEncryptor().TransformFinalBlock(privkey, 0, privkey.Length);
string Encrypted_SK_String_HEX = "0x";
foreach (byte part in Encrypted_SK)
{
Encrypted_SK_String_HEX += part.ToString("X2");
}
var Encrypted_IV = aesInst.CreateEncryptor().TransformFinalBlock(iv, 0, iv.Length);
string Encrypted_IV_String_HEX = "0x";
foreach (byte part in Encrypted_IV)
{
Encrypted_IV_String_HEX += part.ToString("X2");
}
queryString = "insert into keys values (" + user_id.ToString() + ", " + Encrypted_SK_String_HEX + ", " + Encrypted_IV_String_HEX + ")";
Microsoft.Data.SqlClient.SqlCommand command_newkey = new Microsoft.Data.SqlClient.SqlCommand(queryString, connection);
//command.Connection.Open();
command_newkey.ExecuteNonQuery();
command_newkey.Connection.Close();
}
//save session data
MSSQL_logging.user_id = user_id;
MSSQL_logging.userpassword = textBox_password.Text;
MSSQL_logging.database_connection = connection;
MSSQL_logging.GetPrivateKeyFromDB();
command.Connection.Close();
//open start panel
this.Hide();
var form_start = new Form_start();
form_start.Closed += (s, args) => this.Close();
form_start.Show();
}
catch (Microsoft.Data.SqlClient.SqlException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
errorMessages.Append("Index #" + i + "\n" +
"Message: " + ex.Errors[i].Message + "\n" +
"LineNumber: " + ex.Errors[i].LineNumber + "\n" +
"Source: " + ex.Errors[i].Source + "\n" +
"Procedure: " + ex.Errors[i].Procedure + "\n");
}
throw new Exception(errorMessages.ToString());
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}