fix self provisioning feature (#272)

internal/domain/interface.go

@@ -72,6 +72,17 @@ type Interface struct {
 	PeerDefPostDown string // default action that is executed after the device is down
 }
 
+// PublicInfo returns a copy of the interface with only the public information.
+// Sensible information like keys are not included.
+func (i *Interface) PublicInfo() Interface {
+	return Interface{
+		Identifier:  i.Identifier,
+		DisplayName: i.DisplayName,
+		Type:        i.Type,
+		Disabled:    i.Disabled,
+	}
+}
+
 // Validate performs checks to ensure that the interface is valid.
 func (i *Interface) Validate() error {
 	// validate peer default endpoint, add port if needed

internal/domain/peer.go

@@ -127,6 +127,19 @@ func (p *Peer) GenerateDisplayName(prefix string) {
 	p.DisplayName = fmt.Sprintf("%sPeer %s", prefix, internal.TruncateString(string(p.Identifier), 8))
 }
 
+// OverwriteUserEditableFields overwrites the user editable fields of the peer with the values from the userPeer
+func (p *Peer) OverwriteUserEditableFields(userPeer *Peer) {
+	p.DisplayName = userPeer.DisplayName
+	p.Interface.PublicKey = userPeer.Interface.PublicKey
+	p.Interface.PrivateKey = userPeer.Interface.PrivateKey
+	p.Interface.Mtu = userPeer.Interface.Mtu
+	p.PersistentKeepalive = userPeer.PersistentKeepalive
+	p.ExpiresAt = userPeer.ExpiresAt
+	p.Disabled = userPeer.Disabled
+	p.DisabledReason = userPeer.DisabledReason
+	p.PresharedKey = userPeer.PresharedKey
+}
+
 type PeerInterfaceConfig struct {
 	KeyPair // private/public Key of the peer