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forked from extern/smegmesh
smegmesh/pkg/conn/conn_manager.go
2023-10-05 17:48:54 +01:00

88 lines
2.3 KiB
Go

package conn
import (
"crypto/tls"
"errors"
logging "github.com/tim-beatham/wgmesh/pkg/log"
)
type ConnectionManager interface {
AddConnection(endPoint string) (PeerConnection, error)
GetConnection(endPoint string) (PeerConnection, error)
}
// ConnectionManager manages connections between other peers
// in the control plane.
type JwtConnectionManager struct {
// clientConnections maps an endpoint to a connection
clientConnections map[string]PeerConnection
serverConfig *tls.Config
clientConfig *tls.Config
}
type NewJwtConnectionManagerParams struct {
CertificatePath string
PrivateKey string
SkipCertVerification bool
}
func NewJwtConnectionManager(params *NewJwtConnectionManagerParams) (ConnectionManager, error) {
cert, err := tls.LoadX509KeyPair(params.CertificatePath, params.PrivateKey)
if err != nil {
logging.ErrorLog.Printf("Failed to load key pair: %s\n", err.Error())
logging.ErrorLog.Printf("Certificate Path: %s\n", params.CertificatePath)
logging.ErrorLog.Printf("Private Key Path: %s\n", params.PrivateKey)
return nil, err
}
serverAuth := tls.RequireAndVerifyClientCert
if params.SkipCertVerification {
serverAuth = tls.RequireAnyClientCert
}
serverConfig := &tls.Config{
ClientAuth: serverAuth,
Certificates: []tls.Certificate{cert},
}
clientConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
InsecureSkipVerify: params.SkipCertVerification,
}
connections := make(map[string]PeerConnection)
connMgr := JwtConnectionManager{connections, serverConfig, clientConfig}
return &connMgr, nil
}
func (m *JwtConnectionManager) GetConnection(endpoint string) (PeerConnection, error) {
conn, exists := m.clientConnections[endpoint]
if !exists {
return nil, errors.New("endpoint: " + endpoint + " does not exist")
}
return conn, nil
}
// AddToken: Adds a connection to the list of connections to manage
func (m *JwtConnectionManager) AddConnection(endPoint string) (PeerConnection, error) {
_, exists := m.clientConnections[endPoint]
if exists {
return nil, errors.New("token already exists in the connections")
}
connections, err := NewWgCtrlConnection(m.clientConfig, endPoint)
if err != nil {
return nil, err
}
m.clientConnections[endPoint] = connections
return connections, nil
}