authelia/internal/authentication/ldap_connection_factory.go

83 lines
2.4 KiB
Go

package authentication
import (
"crypto/tls"
"github.com/go-ldap/ldap/v3"
)
// ********************* CONNECTION *********************.
// LDAPConnection interface representing a connection to the ldap.
type LDAPConnection interface {
Bind(username, password string) error
Close()
Search(searchRequest *ldap.SearchRequest) (*ldap.SearchResult, error)
Modify(modifyRequest *ldap.ModifyRequest) error
}
// LDAPConnectionImpl the production implementation of an ldap connection.
type LDAPConnectionImpl struct {
conn *ldap.Conn
}
// NewLDAPConnectionImpl create a new ldap connection.
func NewLDAPConnectionImpl(conn *ldap.Conn) *LDAPConnectionImpl {
return &LDAPConnectionImpl{conn}
}
// Bind binds ldap connection to a username/password.
func (lc *LDAPConnectionImpl) Bind(username, password string) error {
return lc.conn.Bind(username, password)
}
// Close closes a ldap connection.
func (lc *LDAPConnectionImpl) Close() {
lc.conn.Close()
}
// Search searches a ldap server.
func (lc *LDAPConnectionImpl) Search(searchRequest *ldap.SearchRequest) (*ldap.SearchResult, error) {
return lc.conn.Search(searchRequest)
}
// Modify modifies an ldap object.
func (lc *LDAPConnectionImpl) Modify(modifyRequest *ldap.ModifyRequest) error {
return lc.conn.Modify(modifyRequest)
}
// ********************* FACTORY ***********************.
// LDAPConnectionFactory an interface of factory of ldap connections.
type LDAPConnectionFactory interface {
DialTLS(network, addr string, config *tls.Config) (LDAPConnection, error)
Dial(network, addr string) (LDAPConnection, error)
}
// LDAPConnectionFactoryImpl the production implementation of an ldap connection factory.
type LDAPConnectionFactoryImpl struct{}
// NewLDAPConnectionFactoryImpl create a concrete ldap connection factory.
func NewLDAPConnectionFactoryImpl() *LDAPConnectionFactoryImpl {
return &LDAPConnectionFactoryImpl{}
}
// DialTLS contact ldap server over TLS.
func (lcf *LDAPConnectionFactoryImpl) DialTLS(network, addr string, config *tls.Config) (LDAPConnection, error) {
conn, err := ldap.DialTLS(network, addr, config)
if err != nil {
return nil, err
}
return NewLDAPConnectionImpl(conn), nil
}
// Dial contact ldap server over raw tcp.
func (lcf *LDAPConnectionFactoryImpl) Dial(network, addr string) (LDAPConnection, error) {
conn, err := ldap.Dial(network, addr)
if err != nil {
return nil, err
}
return NewLDAPConnectionImpl(conn), nil
}