move SFTPGo package to the internal folder

SFTPGo is a daemon and command line tool, not a library.

The public API are provided by the SDK

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

internal/logger/hclog.go

@@ -0,0 +1,91 @@
+// Copyright (C) 2019-2022  Nicola Murino
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package logger
+
+import (
+	"io"
+	"log"
+
+	"github.com/hashicorp/go-hclog"
+	"github.com/rs/zerolog"
+)
+
+// HCLogAdapter is an adapter for hclog.Logger
+type HCLogAdapter struct {
+	hclog.Logger
+}
+
+// Log emits a message and key/value pairs at a provided log level
+func (l *HCLogAdapter) Log(level hclog.Level, msg string, args ...any) {
+	var ev *zerolog.Event
+	switch level {
+	case hclog.Info:
+		ev = logger.Info()
+	case hclog.Warn:
+		ev = logger.Warn()
+	case hclog.Error:
+		ev = logger.Error()
+	default:
+		ev = logger.Debug()
+	}
+	ev.Timestamp().Str("sender", l.Name())
+	addKeysAndValues(ev, args...)
+	ev.Msg(msg)
+}
+
+// Trace emits a message and key/value pairs at the TRACE level
+func (l *HCLogAdapter) Trace(msg string, args ...any) {
+	l.Log(hclog.Debug, msg, args...)
+}
+
+// Debug emits a message and key/value pairs at the DEBUG level
+func (l *HCLogAdapter) Debug(msg string, args ...any) {
+	l.Log(hclog.Debug, msg, args...)
+}
+
+// Info emits a message and key/value pairs at the INFO level
+func (l *HCLogAdapter) Info(msg string, args ...any) {
+	l.Log(hclog.Info, msg, args...)
+}
+
+// Warn emits a message and key/value pairs at the WARN level
+func (l *HCLogAdapter) Warn(msg string, args ...any) {
+	l.Log(hclog.Warn, msg, args...)
+}
+
+// Error emits a message and key/value pairs at the ERROR level
+func (l *HCLogAdapter) Error(msg string, args ...any) {
+	l.Log(hclog.Error, msg, args...)
+}
+
+// With creates a sub-logger
+func (l *HCLogAdapter) With(args ...any) hclog.Logger {
+	return &HCLogAdapter{Logger: l.Logger.With(args...)}
+}
+
+// Named creates a logger that will prepend the name string on the front of all messages
+func (l *HCLogAdapter) Named(name string) hclog.Logger {
+	return &HCLogAdapter{Logger: l.Logger.Named(name)}
+}
+
+// StandardLogger returns a value that conforms to the stdlib log.Logger interface
+func (l *HCLogAdapter) StandardLogger(opts *hclog.StandardLoggerOptions) *log.Logger {
+	return log.New(&StdLoggerWrapper{Sender: l.Name()}, "", 0)
+}
+
+// StandardWriter returns a value that conforms to io.Writer, which can be passed into log.SetOutput()
+func (l *HCLogAdapter) StandardWriter(opts *hclog.StandardLoggerOptions) io.Writer {
+	return &StdLoggerWrapper{Sender: l.Name()}
+}