all: sync with master; upd chlog

internal/confmigrate/v5.go

@@ -0,0 +1,47 @@
+package confmigrate
+
+import (
+	"fmt"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+// migrateTo5 performs the following changes:
+//
+//	# BEFORE:
+//	'schema_version': 4
+//	'auth_name': …
+//	'auth_pass': …
+//	# …
+//
+//	# AFTER:
+//	'schema_version': 5
+//	'users':
+//	- 'name': …
+//	  'password': <hashed>
+//	# …
+func migrateTo5(diskConf yobj) (err error) {
+	diskConf["schema_version"] = 5
+
+	user := yobj{}
+
+	if err = moveVal[string](diskConf, user, "auth_name", "name"); err != nil {
+		return err
+	}
+
+	pass, ok, err := fieldVal[string](diskConf, "auth_pass")
+	if !ok {
+		return err
+	}
+	delete(diskConf, "auth_pass")
+
+	hash, err := bcrypt.GenerateFromPassword([]byte(pass), bcrypt.DefaultCost)
+	if err != nil {
+		return fmt.Errorf("generating password hash: %w", err)
+	}
+
+	user["password"] = string(hash)
+	diskConf["users"] = yarr{user}
+
+	return nil
+}