/// <summary>
/// Remove the file association for .sql files from this application.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: file-association-removed
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] A message indicating the status of the operation.
/// </remarks>
private void RemoveFileAssociation(object[] args)
{
var replyMsgName = "file-association-removed";
try
{
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\{Constants.App.ProgId}", null, null);
Utils.SetRegistryKey(@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.sql\OpenWithProgids", Constants.App.ProgId, null);
// Restore previous association if any
var previousAssoc = AppSettings.Get <string>(Constants.Settings.PreviousFileAssociation)?.Trim() ?? "";
Utils.SetRegistryKey(@"HKEY_CURRENT_USER\Software\Classes\.sql", "", previousAssoc);
Native.NativeMethods.SHChangeNotify(Native.HChangeNotifyEventID.SHCNE_ASSOCCHANGED, Native.SHChangeNotifyFlags.SHCNF_FLUSH, IntPtr.Zero, IntPtr.Zero);
// Save this off so we can restore it later (if needed)
if (!string.IsNullOrWhiteSpace(previousAssoc))
{
AppSettings.Set(Constants.Settings.PreviousFileAssociation, "");
AppSettings.Save();
}
OsEvent.Emit(replyMsgName, null, "File association removed.");
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, e.Message);
}
}
/// <summary>
/// Get the logger settings for the UI. This is used to sync the configurations for the settings dialog.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: log-settings
/// Event params:
/// [0] Always null
/// [1] The log settings
/// </remarks>
internal void GetSettings(object[] args)
{
var replyMsgName = "settings";
OsEvent.Emit(replyMsgName, null, new
{
appId = _app.Id,
singleInstance = AppContext.SingleInstance,
isMainForm = _app.IsMainForm,
isStartup = _app.IsStartup,
logging = new
{
logToDevConsole = _app.LogToDevConsole,
logLevel = _app.Logger.Level.ToString()
},
sqlLogging = new
{
enabled = AppContext.SqlLogger.Enabled,
directory = AppContext.SqlLogger.Directory,
retention = AppContext.SqlLogger.Retention
},
scriptLibrary = AppSettings.GetOrDefault(Constants.Settings.ScriptLibraryDirectory, Path.GetFullPath(Path.Combine(AppContext.DataDirectory, Constants.Defaults.ScriptLibraryDirectory))),
addOnJs = AppSettings.GetOrDefault(Constants.Settings.AddOnJs, ""),
addOnCss = AppSettings.GetOrDefault(Constants.Settings.AddOnCss, "")
});
}
/// <summary>
/// Adds a Windows context menu (for all files) for this application.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: context-menu-added
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] A message indicating the status of the operation.
/// </remarks>
private void AddContextMenu(object[] args)
{
var replyMsgName = "context-menu-added";
try
{
// Use CodeBase instead of Location property because location property may not be the pyhsical path
// in some cases (ie: shadow copy)
var exePath = Assembly.GetExecutingAssembly().CodeBase
.Replace("file:///", "")
.Replace("/", @"\");
// Note: Using HKEY_CURRENT_USER because HKEY_LOCAL_MACHINE requires admin permissions
// Set context menu text
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\*\shell\{Constants.App.ProgId}", "", $@"Open with {Constants.App.Name}");
// Set context menu icon
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\*\shell\{Constants.App.ProgId}", "Icon", $@"""{exePath}"",0");
// Set context menu command
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\*\shell\{Constants.App.ProgId}\command", "", $@"""{exePath}"" ""%1""");
OsEvent.Emit(replyMsgName, null, "Context menu added.");
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, e.Message);
}
}
/// <summary>
/// Sends a message to the client telling it to open the specified file.
/// </summary>
/// <param name="path">The file path to open.</param>
internal void InitiateOpenFile(string path)
{
if (!string.IsNullOrWhiteSpace(path))
{
var emitMsgName = "open-file";
var name = Path.GetFileName(path);
OsEvent.Emit(emitMsgName, name, path);
}
}
/// <summary>
/// List files and directories within a given path.
/// </summary>
/// <param name="args">Expects:
/// [0] The path to the directory to list.
/// </param>
/// <remarks>
/// Emits event: directory listed
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] An array of file objects.
/// </remarks>
private void ListDirectory(object[] args)
{
var replyMsgName = "directory-listed";
var entries = new List <FsFile>();
try
{
if (args != null && args.Length > 0)
{
string path;
if (!string.IsNullOrWhiteSpace(path = args[0] as string))
{
path = Path.GetFullPath(path);
if (!Directory.Exists(path))
{
throw new DirectoryNotFoundException();
}
foreach (var dir in Directory.EnumerateDirectories(path, "*", SearchOption.AllDirectories))
{
entries.Add(new FsFile
{
Name = Path.GetFileName(dir),
Path = dir,
Type = "directory"
});
}
foreach (var file in Directory.EnumerateFiles(path, "*.sql", SearchOption.AllDirectories))
{
var info = new FileInfo(file);
entries.Add(new FsFile
{
Name = info.Name,
Path = info.FullName,
Type = Utils.GetMimeType(info.Extension),
Size = info.Length,
LastModified = (long)Utils.ConvertToUnixTimestamp(info.LastWriteTime)
});
}
OsEvent.Emit(replyMsgName, null, entries);
return;
}
}
OsEvent.Emit(replyMsgName, new ArgumentNullException("path"));
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e);
}
}
/// <summary>
/// Remove the Windows context menu (for all files) for this application.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: context-menu-removed
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] A message indicating the status of the operation.
/// </remarks>
private void RemoveContextMenu(object[] args)
{
var replyMsgName = "context-menu-removed";
try
{
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\*\shell\{Constants.App.ProgId}", null, null);
OsEvent.Emit(replyMsgName, null, "File association removed.");
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, e.Message);
}
}
/// <summary>
/// Sets the file association for .sql files to this application.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: file-association-set
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] A message indicating the status of the operation.
/// </remarks>
private void SetFileAssociation(object[] args)
{
var replyMsgName = "file-association-set";
try
{
// Use CodeBase instead of Location property because location property may not be the pyhsical path
// in some cases (ie: shadow copy)
var exePath = Assembly.GetExecutingAssembly().CodeBase
.Replace("file:///", "")
.Replace("/", @"\");
// Note: Using HKEY_CURRENT_USER because HKEY_LOCAL_MACHINE requires admin permissions
// Set the file association icon
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\{Constants.App.ProgId}\DefaultIcon", "", $@"""{exePath}"",0");
// Set the open cmdline
Utils.SetRegistryKey($@"HKEY_CURRENT_USER\Software\Classes\{Constants.App.ProgId}\shell\open\command", "", $@"""{exePath}"" ""%1""");
// Set extension to program id
var existingAssoc = Utils.SetRegistryKey(@"HKEY_CURRENT_USER\Software\Classes\.sql", "", Constants.App.ProgId) as string;
// In windows 8+, windows doesn't allow programmatic setting of file associations. This is done via a secret hash at
// HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.sql\UserChoice
// Although we can set the ProdId, we cannot calculate the hash.
// So instead of jumping through hoops, we will add an entry to the OpenWWith options
Utils.SetRegistryKey(@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.sql\OpenWithProgids", Constants.App.ProgId, "");
if (existingAssoc != Constants.App.ProgId)
{
Native.NativeMethods.SHChangeNotify(Native.HChangeNotifyEventID.SHCNE_ASSOCCHANGED, Native.SHChangeNotifyFlags.SHCNF_FLUSH, IntPtr.Zero, IntPtr.Zero);
// Save this off so we can restore it later (if needed)
if (!string.IsNullOrWhiteSpace(existingAssoc))
{
AppSettings.Set(Constants.Settings.PreviousFileAssociation, existingAssoc);
AppSettings.Save();
}
}
OsEvent.Emit(replyMsgName, null, "File association set.");
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, e.Message);
}
}
/// <summary>
/// Get the windows file Explorer window.
/// </summary>
/// <param name="args">Expects:
/// [0] The path to the directory or file to start in.
/// </param>
/// <remarks>
/// Emits event: explorer-opened
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The parsed path.
/// </remarks>
private void OpenExplorer(object[] args)
{
var replyMsgName = "explorer-opened";
var path = "";
var explorerArgs = "";
try
{
if (args != null && args.Length > 0)
{
if (!string.IsNullOrWhiteSpace(path = args[0] as string))
{
path = Path.GetFullPath(path);
// If file, then select the file within the directory
if (File.Exists(path))
{
explorerArgs = "/select,\"{0}\"";
}
else if (Directory.Exists(path))
{
explorerArgs = "\"{0}\"";
}
// Maybe it's a file that's been deleted, in that case just try to open the directory
else if (!string.IsNullOrWhiteSpace(Path.GetExtension(path)))
{
path = Path.GetDirectoryName(path);
if (Directory.Exists(path))
{
explorerArgs = "\"{0}\"";
}
}
}
}
_ = Process.Start("explorer.exe", string.Format(CultureInfo.InvariantCulture, explorerArgs, path));
OsEvent.Emit(replyMsgName, null, path);
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, path);
}
}
/// <summary>
/// Get version numbers of the app and dependencies.
/// </summary>
/// <param name="args">Ignored</param>
/// <remarks>
/// Emits event: versions
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] <see cref="Versions"/>
/// </remarks>
private void GetVersions(object[] args)
{
var replyMsgName = "versions";
var versions = new Versions();
try
{
var appVersion = Assembly.GetExecutingAssembly().GetName().Version;
versions.App = $"{appVersion.Major}.{appVersion.Minor}.{appVersion.Build}";
versions.Cef = _browser.ProductVersion;
OsEvent.Emit(replyMsgName, null, versions);
}
catch (Exception e)
{
_app.Logger.Warn(e.ToString());
OsEvent.Emit(replyMsgName, e, versions);
}
}
/// <summary>
/// Set the settings configured in the UI to the native logger.
/// </summary>
/// <param name="args">Expects:
/// [0] An object of logger settings
/// </param>
/// <remarks>
/// Emits event: log-settings-saved
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// </remarks>
private void SetSettings(object[] args)
{
var replyMsgName = "settings-saved";
if (args == null && args.Length != 1)
{
OsEvent.Emit(replyMsgName, new ArgumentNullException("logSettings"));
return;
}
var settings = args[0] as dynamic;
if (settings != null)
{
AppContext.SingleInstance = (settings.singleInstance as bool?).GetValueOrDefault(AppContext.SingleInstance);
if (settings.logging != null)
{
_app.LogToDevConsole = settings.logging.logToDevConsole;
if (Enum.TryParse <LogLevel>(settings.logging.logLevel, true, out LogLevel logLevel))
{
_app.Logger.Level = logLevel;
}
}
if (settings.sqlLogging != null)
{
AppContext.SqlLogger.Enabled = settings.sqlLogging.enabled == true;
AppContext.SqlLogger.Retention = settings.sqlLogging.retention;
AppContext.SqlLogger.Directory = settings.sqlLogging.directory;
}
AppSettings.Set(Constants.Settings.ScriptLibraryDirectory, settings.scriptLibrary as string ?? "");
AppSettings.Set(Constants.Settings.AddOnJs, settings.addOnJs as string ?? "");
AppSettings.Set(Constants.Settings.AddOnCss, settings.addOnCss as string ?? "");
OsEvent.Emit(replyMsgName);
AppSettings.Save(_app);
}
}
/// <summary>
/// Parses the connection string.
/// </summary>
/// <param name="args">Expects:
/// [0] - A connection string.</param>
/// <remarks>
/// Emits event: connection-string-parsed
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The parsed connection string
/// [2] The connection string builder instance.
/// </remarks>
private void ParseConnectionString(object[] args)
{
var replyMsgName = "connection-string-parsed";
if (args == null || args.Length != 1 || string.IsNullOrWhiteSpace(args[0] as string))
{
OsEvent.Emit(replyMsgName, new ArgumentNullException("connectionString"));
return;
}
var connStr = args[0] as string;
try
{
var builder = new SqlConnectionStringBuilder(connStr);
OsEvent.Emit(replyMsgName, null, builder.ConnectionString, builder);
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e);
}
}
/// <summary>
/// Encrypts the password.
/// </summary>
/// <param name="args">Expects:
/// [0] The password to encrypt.
/// </param>
/// <remarks>
/// Emits event: password-encrypted
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The encrypted password.
/// </remarks>
private void EncryptPassword(object[] args)
{
var replyMsgName = "password-encrypted";
if (args == null | args.Length != 1 || string.IsNullOrWhiteSpace(args[0] as string))
{
OsEvent.Emit(replyMsgName, new ArgumentNullException("password"));
return;
}
var pass = args[0] as string;
try
{
// If we can decrypt then the arg is already encrypted
// Then just return the arg
Crypto.Decrypt(pass);
OsEvent.Emit(replyMsgName, null, pass);
return;
}
catch (Exception e)
{
// Do Nothing
_app.Logger.Error(e.ToString());
}
try
{
// Assume not encrypted
var cipher = Crypto.Encrypt(pass);
OsEvent.Emit(replyMsgName, null, cipher);
}
catch (Exception e)
{
// Do nothing
_app.Logger.Error(e.ToString());
OsEvent.Emit(replyMsgName, e);
}
}
/// <summary>
/// Initializes a new instance of App
/// </summary>
/// <param name="app"></param>
/// <param name="browser"></param>
internal AppHandlers(App app, ChromiumWebBrowser browser)
{
_app = app ?? throw new ArgumentNullException(nameof(app));
_browser = browser ?? throw new ArgumentNullException(nameof(browser));
OsEvent = new OsEvent(_browser);
UiEvent = new UiEvent(_app, _browser);
// Register event handlers
UiEvent.On("parse-connection-string", ParseConnectionString);
UiEvent.On("encrypt-password", EncryptPassword);
UiEvent.On("fetch-connection-dbs", GetDatabases);
UiEvent.On("execute-sql", ExecuteSql);
UiEvent.On("parse-sql", ParseSql);
UiEvent.On("get-versions", GetVersions);
UiEvent.On("get-settings", GetSettings);
UiEvent.On("set-settings", SetSettings);
UiEvent.On("open-explorer", OpenExplorer);
UiEvent.On("list-directory", ListDirectory);
UiEvent.On("client-initialized", ClientInitialized);
UiEvent.On("set-file-association", SetFileAssociation);
UiEvent.On("remove-file-association", RemoveFileAssociation);
UiEvent.On("add-context-menu", AddContextMenu);
UiEvent.On("remove-context-menu", RemoveContextMenu);
}
/// <summary>
/// Executes each sql batch and emits the results.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="db">The database list.</param>
/// <param name="batches">A list of sql batches</param>
/// <param name="id">The entire batch id</param>
/// <returns>A task representing the asynchronous operation.</returns>
/// <remarks>
/// Emits event: sql-exe-db-begin
/// Emits event: sql-exe-db-complete
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] The database name
/// [3] The number of batches
///
/// Emits event: sql-exe-db-batch-begin
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] The database name.
/// [3] The number of batches.
///
/// Emits event: sql-exe-db-batch-connecting
/// Emits event: sql-exe-db-batch-executing
/// Emits event: sql-exe-db-batch-complete
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] The database name.
/// [3] The batch number.
///
/// Emits event: sql-exe-db-batch-result
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] The database name.
/// [3] The batch number.
/// [4] The resultset.
/// </remarks>
internal async Task ExecuteSqlBatches(string connectionString, string db, IEnumerable <string> batches, string id, dynamic opts = null)
{
OsEvent.Emit("sql-exe-db-begin", null, id, db);
_app.Logger.Debug($"Begin batches for {db}");
batches = batches.Where(b => !string.IsNullOrWhiteSpace(b));
var stopWatch = new Stopwatch();
var batchCt = batches.Count();
var batchNum = 0;
OsEvent.Emit("sql-exe-db-batch-begin", null, id, db, batchNum);
try
{
using (var conn = new SqlConnection(connectionString))
{
OsEvent.Emit("sql-exe-db-batch-connecting", null, id, db, batchNum);
_app.Logger.Debug($"Connecting to {connectionString}");
await conn.OpenAsync().ConfigureAwait(false);
using (var cmd = conn.CreateCommand())
{
cmd.CommandType = CommandType.Text;
if (opts != null)
{
if (opts.timeout as int? >= 0)
{
cmd.CommandTimeout = opts.timeout;
}
}
foreach (var batch in batches)
{
#pragma warning disable CA2100 // Review SQL queries for security vulnerabilities
cmd.CommandText = batch;
#pragma warning restore CA2100 // Review SQL queries for security vulnerabilities
OsEvent.Emit("sql-exe-db-batch-executing", null, id, db, batchNum);
_app.Logger.Debug($"Executing to {connectionString}");
try
{
stopWatch.Reset();
stopWatch.Start();
using (var reader = await cmd.ExecuteReaderAsync().ConfigureAwait(false))
{
stopWatch.Stop();
do
{
OsEvent.Emit("sql-exe-db-batch-result", null, id, db, batchNum, ConvertToResultset(reader), reader.RecordsAffected, stopWatch.ElapsedMilliseconds);
} while (reader.NextResult());
}
}
catch (Exception e)
{
stopWatch.Stop();
OsEvent.Emit("sql-exe-db-batch-result", e, id, db, batchNum, null, null, stopWatch.ElapsedMilliseconds);
_app.Logger.Error(e.ToString());
}
OsEvent.Emit("sql-exec-db-batch-complete", null, id, db, batchNum);
_app.Logger.Debug($"Completed batch {id} for {db}");
batchNum++;
}
}
}
OsEvent.Emit("sql-exe-db-complete", null, id, db, batchCt);
_app.Logger.Debug($"Completed batches {id} for {db}");
}
catch (Exception e)
{
OsEvent.Emit("sql-exe-db-complete", e, id, db, batchCt);
_app.Logger.Debug($"Completed batches {id} for {db}");
}
}
/// <summary>
/// Get a list of databases using the given connection string.
/// </summary>
/// <param name="args">Expects:
/// [0] The connection string.
/// </param>
/// <remarks>
/// Emits event: connection-dbs-fetched
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] An array of databases.
/// </remarks>
private void GetDatabases(object[] args)
{
var replyMsgName = "connection-dbs-fetched";
var connStr = args.Length > 0 ? args[0] as string : "";
var connId = args.Length > 1 ? args[1] as string : "";
if (string.IsNullOrWhiteSpace(connStr))
{
OsEvent.Emit(replyMsgName, new ArgumentNullException("connectionString"), connId);
return;
}
try
{
var sql = "SELECT * FROM sys.databases";
var builder = new SqlConnectionStringBuilder(connStr);
var targetDatabase = builder.InitialCatalog;
builder.InitialCatalog = "master";
if (!string.IsNullOrWhiteSpace(builder.Password) && Crypto.TryDecrypt(builder.Password, out var pass))
{
builder.Password = pass;
}
try
{
// Try connecting to master first
using (var conn = new SqlConnection(builder.ToString()))
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
using (var reader = cmd.ExecuteReader())
{
OsEvent.Emit(replyMsgName, null, ConvertToExpando(reader), connId);
}
}
}
}
catch (Exception)
{
if (!string.IsNullOrWhiteSpace(targetDatabase) && !targetDatabase.Equals("master", StringComparison.OrdinalIgnoreCase))
{
// If a different database was specified then try connecting to that single database
builder.InitialCatalog = targetDatabase;
using (var conn = new SqlConnection(builder.ToString()))
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
using (var reader = cmd.ExecuteReader())
{
OsEvent.Emit(replyMsgName, null, ConvertToExpando(reader), connId);
}
}
}
}
else
{
throw;
}
}
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, connId);
}
}
/// <summary>
/// Execute the sql commands(s)
/// </summary>
/// <param name="args">Expects:
/// [0] The connection string
/// [1] The list of databases
/// [2] The sql to execute
/// [3] A batch id.
/// </param>
/// <remarks>
/// Emits event: sql-exe-complete
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
///
/// Emits event: sql-exe-begin
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] The number of databases.
/// </remarks>
private async void ExecuteSql(object[] args)
{
var replyMsgName = "sql-exe-complete";
if (args == null || args.Length < 4)
{
OsEvent.Emit(replyMsgName, new ArgumentException("Invalid arguments"));
return;
}
var connStr = args[0] as string;
var dbs = (args[1] as List <object>).OfType <string>();
var sql = args[2] as string;
var id = args[3] as string;
dynamic opts = null;
if (args.Length == 5)
{
opts = args[4] as dynamic;
}
try
{
var dbCt = dbs.Count();
if (!string.IsNullOrWhiteSpace(connStr) &&
dbCt > 0 &&
!string.IsNullOrWhiteSpace(sql) &&
!string.IsNullOrWhiteSpace(id))
{
OsEvent.Emit("sql-exe-begin", null, id, dbCt);
var batches = GetSqlBatches(sql);
var builder = new SqlConnectionStringBuilder(connStr);
if (!string.IsNullOrWhiteSpace(builder.Password) && Crypto.TryDecrypt(builder.Password, out var pass))
{
builder.Password = pass;
}
AppContext.SqlLogger.Log(new Dictionary <string, object> {
{ SqlLogger.CONN_STR_KEY, builder.ToString() },
{ SqlLogger.DATABASES_KEY, dbs }
}, sql);
var tasks = new List <Task>();
foreach (var db in dbs)
{
if (!string.IsNullOrWhiteSpace(db))
{
builder.InitialCatalog = db;
tasks.Add(ExecuteSqlBatches(builder.ToString(), db, batches, id, opts));
}
}
await Task.WhenAll(tasks).ConfigureAwait(false);
}
OsEvent.Emit(replyMsgName, null, id);
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, id);
}
}
/// <summary>
/// Parse the sql.
/// </summary>
/// <param name="args">Expects:
/// [0] The connection string
/// [1] The sql to execute
/// [2] A batch id.
/// </param>
/// <remarks>
/// Emits event: sql-parse-complete
/// Event params:
/// [0] <see cref="Exception"/> if any.
/// [1] The sql execute batch id
/// [2] A list of parse errors if any.
/// </remarks>
private async void ParseSql(object[] args)
{
var replyMsgName = "sql-parse-complete";
if (args == null || args.Length != 3)
{
OsEvent.Emit(replyMsgName, new ArgumentException("Invalid arguments"));
return;
}
var connStr = args[0] as string;
var sql = args[1] as string;
var id = args[2] as string;
try
{
var errors = new List <SqlError>();
var handler = new SqlInfoMessageEventHandler((object sender, SqlInfoMessageEventArgs evt) =>
{
//ensure that all errors are caught
var errs = new SqlError[evt.Errors.Count];
evt.Errors.CopyTo(errs, 0);
errors.AddRange(errs);
});
if (!string.IsNullOrWhiteSpace(connStr) &&
!string.IsNullOrWhiteSpace(sql) &&
!string.IsNullOrWhiteSpace(id))
{
OsEvent.Emit("sql-parse-begin", null, id);
var batches = GetSqlBatches(sql);
var builder = new SqlConnectionStringBuilder(connStr);
if (string.IsNullOrWhiteSpace(builder.InitialCatalog))
{
builder.InitialCatalog = "master";
}
if (!string.IsNullOrWhiteSpace(builder.Password) && Crypto.TryDecrypt(builder.Password, out var pass))
{
builder.Password = pass;
}
connStr = builder.ToString();
using (var conn = new SqlConnection(connStr))
{
try
{
conn.FireInfoMessageEventOnUserErrors = true;
conn.InfoMessage += handler;
OsEvent.Emit("sql-parse-connecting", null, id);
_app.Logger.Debug($"Connecting to {connStr}");
await conn.OpenAsync().ConfigureAwait(false);
using (var cmd = conn.CreateCommand())
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = "SET PARSEONLY ON";
await cmd.ExecuteNonQueryAsync().ConfigureAwait(false);
OsEvent.Emit("sql-parse-parsing", null, id);
foreach (var batch in batches)
{
if (!string.IsNullOrWhiteSpace(batch))
{
#pragma warning disable CA2100 // Review SQL queries for security vulnerabilities
cmd.CommandText = batch;
#pragma warning restore CA2100 // Review SQL queries for security vulnerabilities
var result = await cmd.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
cmd.CommandText = "SET PARSEONLY OFF";
await cmd.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
finally
{
conn.FireInfoMessageEventOnUserErrors = false;
conn.InfoMessage -= handler;
}
}
}
OsEvent.Emit(replyMsgName, null, id, errors);
}
catch (Exception e)
{
OsEvent.Emit(replyMsgName, e, id, null);
}
}
