Added implementation

pkg/logger/logger.go

@@ -0,0 +1,49 @@
+package logger
+
+import (
+	"log"
+	"os"
+	"strings"
+)
+
+var (
+	Info  *log.Logger
+	Warn  *log.Logger
+	Error *log.Logger
+)
+
+func init() {
+	Info = log.New(os.Stdout, "INFO: ", log.Ldate|log.Ltime|log.Lshortfile)
+	Warn = log.New(os.Stdout, "WARN: ", log.Ldate|log.Ltime|log.Lshortfile)
+	Error = log.New(os.Stderr, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)
+}
+
+// Sanitize removes sensitive data from log messages
+// This prevents accidental logging of secrets, tokens, or API keys
+func Sanitize(msg string) string {
+	// List of sensitive keywords to redact
+	sensitive := []string{"token", "key", "password", "secret", "apikey", "bearer"}
+
+	lower := strings.ToLower(msg)
+	for _, keyword := range sensitive {
+		if strings.Contains(lower, keyword) {
+			return "[REDACTED - Contains sensitive data]"
+		}
+	}
+	return msg
+}
+
+// InfoSafe logs an info message after sanitizing it
+func InfoSafe(format string, v ...interface{}) {
+	Info.Printf(Sanitize(format), v...)
+}
+
+// WarnSafe logs a warning message after sanitizing it
+func WarnSafe(format string, v ...interface{}) {
+	Warn.Printf(Sanitize(format), v...)
+}
+
+// ErrorSafe logs an error message after sanitizing it
+func ErrorSafe(format string, v ...interface{}) {
+	Error.Printf(Sanitize(format), v...)
+}