Remove ldap dep

modules/ldap/bind.go

@@ -0,0 +1,55 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ldap
+
+import (
+	"errors"
+
+	"github.com/gogits/gogs/modules/asn1-ber"
+)
+
+func (l *Conn) Bind(username, password string) error {
+	messageID := l.nextMessageID()
+
+	packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "LDAP Request")
+	packet.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, messageID, "MessageID"))
+	bindRequest := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationBindRequest, nil, "Bind Request")
+	bindRequest.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, 3, "Version"))
+	bindRequest.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, username, "User Name"))
+	bindRequest.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, password, "Password"))
+	packet.AppendChild(bindRequest)
+
+	if l.Debug {
+		ber.PrintPacket(packet)
+	}
+
+	channel, err := l.sendMessage(packet)
+	if err != nil {
+		return err
+	}
+	if channel == nil {
+		return NewError(ErrorNetwork, errors.New("ldap: could not send message"))
+	}
+	defer l.finishMessage(messageID)
+
+	packet = <-channel
+	if packet == nil {
+		return NewError(ErrorNetwork, errors.New("ldap: could not retrieve response"))
+	}
+
+	if l.Debug {
+		if err := addLDAPDescriptions(packet); err != nil {
+			return err
+		}
+		ber.PrintPacket(packet)
+	}
+
+	resultCode, resultDescription := getLDAPResultCode(packet)
+	if resultCode != 0 {
+		return NewError(resultCode, errors.New(resultDescription))
+	}
+
+	return nil
+}