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package ldap
import (
"log"
ber "github.com/go-asn1-ber/asn1-ber"
)
// Attribute represents an LDAP attribute
type Attribute struct {
// Type is the name of the LDAP attribute
Type string
// Vals are the LDAP attribute values
Vals []string
}
func (a *Attribute) encode() *ber.Packet {
seq := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Attribute")
seq.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, a.Type, "Type"))
set := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSet, nil, "AttributeValue")
for _, value := range a.Vals {
set.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, value, "Vals"))
}
seq.AppendChild(set)
return seq
}
// AddRequest represents an LDAP AddRequest operation
type AddRequest struct {
// DN identifies the entry being added
DN string
// Attributes list the attributes of the new entry
Attributes []Attribute
// Controls hold optional controls to send with the request
Controls []Control
}
func (req *AddRequest) appendTo(envelope *ber.Packet) error {
pkt := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationAddRequest, nil, "Add Request")
pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.DN, "DN"))
attributes := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Attributes")
for _, attribute := range req.Attributes {
attributes.AppendChild(attribute.encode())
}
pkt.AppendChild(attributes)
envelope.AppendChild(pkt)
if len(req.Controls) > 0 {
envelope.AppendChild(encodeControls(req.Controls))
}
return nil
}
// Attribute adds an attribute with the given type and values
func (req *AddRequest) Attribute(attrType string, attrVals []string) {
req.Attributes = append(req.Attributes, Attribute{Type: attrType, Vals: attrVals})
}
// NewAddRequest returns an AddRequest for the given DN, with no attributes
func NewAddRequest(dn string, controls []Control) *AddRequest {
return &AddRequest{
DN: dn,
Controls: controls,
}
}
// Add performs the given AddRequest
func (l *Conn) Add(addRequest *AddRequest) error {
msgCtx, err := l.doRequest(addRequest)
if err != nil {
return err
}
defer l.finishMessage(msgCtx)
packet, err := l.readPacket(msgCtx)
if err != nil {
return err
}
if packet.Children[1].Tag == ApplicationAddResponse {
err := GetLDAPError(packet)
if err != nil {
return err
}
} else {
log.Printf("Unexpected Response: %d", packet.Children[1].Tag)
}
return nil
}
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