OP#792 initial commit after fork

internal/config/identity/ldap/legacy.go

@@ -0,0 +1,67 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// 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, either version 3 of the License, or
+// (at your option) any later version.
+//
+// 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 <http://www.gnu.org/licenses/>.
+
+package ldap
+
+import (
+	"github.com/minio/minio/internal/config"
+)
+
+// LegacyConfig contains AD/LDAP server connectivity information from old config
+// V33.
+type LegacyConfig struct {
+	Enabled bool `json:"enabled"`
+
+	// E.g. "ldap.minio.io:636"
+	ServerAddr string `json:"serverAddr"`
+
+	// User DN search parameters
+	UserDNSearchBaseDistName  string   `json:"userDNSearchBaseDN"`
+	UserDNSearchBaseDistNames []string `json:"-"` // Generated field
+	UserDNSearchFilter        string   `json:"userDNSearchFilter"`
+
+	// Group search parameters
+	GroupSearchBaseDistName  string   `json:"groupSearchBaseDN"`
+	GroupSearchBaseDistNames []string `json:"-"` // Generated field
+	GroupSearchFilter        string   `json:"groupSearchFilter"`
+
+	// Lookup bind LDAP service account
+	LookupBindDN       string `json:"lookupBindDN"`
+	LookupBindPassword string `json:"lookupBindPassword"`
+}
+
+// SetIdentityLDAP - One time migration code needed, for migrating from older config to new for LDAPConfig.
+func SetIdentityLDAP(s config.Config, ldapArgs LegacyConfig) {
+	if !ldapArgs.Enabled {
+		// ldap not enabled no need to preserve it in new settings.
+		return
+	}
+	s[config.IdentityLDAPSubSys][config.Default] = config.KVS{
+		config.KV{
+			Key:   ServerAddr,
+			Value: ldapArgs.ServerAddr,
+		},
+		config.KV{
+			Key:   GroupSearchFilter,
+			Value: ldapArgs.GroupSearchFilter,
+		},
+		config.KV{
+			Key:   GroupSearchBaseDN,
+			Value: ldapArgs.GroupSearchBaseDistName,
+		},
+	}
+}