fix: mask password in DB URL when driver open fails

Prevent database passwords from appearing in error messages when driver.Open(url) fails by masking the URL. This ensures that sensitive credentials are not accidentally exposed in logs or error reports.

Author: hirosi1900day

database/driver.go

@@ -7,6 +7,7 @@ package database
 import (
 	"fmt"
 	"io"
+	"net/url"
 	"sync"
 
 	iurl "github.com/golang-migrate/migrate/v4/internal/url"
@@ -95,7 +96,12 @@ func Open(url string) (Driver, error) {
 		return nil, fmt.Errorf("database driver: unknown driver %v (forgotten import?)", scheme)
 	}
 
-	return d.Open(url)
+	if driverInstance, err := d.Open(url); err != nil {
+		maskedURL := maskPasswordInURL(url)
+		return nil, fmt.Errorf("failed to open driver for url %s: %w", maskedURL, err)
+	} else {
+		return driverInstance, nil
+	}
 }
 
 // Register globally registers a driver.
@@ -121,3 +127,26 @@ func List() []string {
 	}
 	return names
 }
+
+func maskPasswordInURL(rawURL string) string {
+	u, err := url.Parse(rawURL)
+	if err != nil || u.User == nil {
+		return rawURL
+	}
+
+	username := u.User.Username()
+	masked := rawURL
+	if _, hasPassword := u.User.Password(); hasPassword {
+
+		u.User = url.UserPassword(username, "******")
+		masked = u.Scheme + "://" + username + ":******@" + u.Host + u.Path
+		if u.RawQuery != "" {
+			masked += "?" + u.RawQuery
+		}
+		if u.Fragment != "" {
+			masked += "#" + u.Fragment
+		}
+	}
+
+	return masked
+}