93 lines
2.1 KiB
Go
93 lines
2.1 KiB
Go
package server
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import (
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"crypto/ecdsa"
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"crypto/tls"
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"fmt"
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"net"
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)
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type PairingServer struct {
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Server
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pk *ecdsa.PrivateKey
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mode Mode
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PayloadManager PayloadManager
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}
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type Config struct {
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// Connection fields
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PK *ecdsa.PrivateKey
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Cert *tls.Certificate
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Hostname string
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Mode Mode
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// Payload management fields
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*PairingPayloadManagerConfig
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}
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// NewPairingServer returns a *PairingServer init from the given *Config
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func NewPairingServer(config *Config) (*PairingServer, error) {
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pm, err := NewPairingPayloadManager(config.PK, config.PairingPayloadManagerConfig)
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if err != nil {
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return nil, err
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}
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return &PairingServer{Server: NewServer(
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config.Cert,
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config.Hostname,
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),
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pk: config.PK,
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mode: config.Mode,
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PayloadManager: pm}, nil
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}
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// MakeConnectionParams generates a *ConnectionParams based on the Server's current state
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func (s *PairingServer) MakeConnectionParams() (*ConnectionParams, error) {
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switch {
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case s.cert == nil:
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return nil, fmt.Errorf("server has no cert set")
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case s.cert.Leaf == nil:
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return nil, fmt.Errorf("server cert has no Leaf set")
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case s.cert.Leaf.NotBefore.IsZero():
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return nil, fmt.Errorf("server cert Leaf has a zero value NotBefore")
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}
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netIP := net.ParseIP(s.hostname)
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if netIP == nil {
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return nil, fmt.Errorf("invalid ip address given '%s'", s.hostname)
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}
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netIP4 := netIP.To4()
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if netIP4 != nil {
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netIP = netIP4
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}
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if s.port == 0 {
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return nil, fmt.Errorf("port is 0, listener is not yet set")
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}
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return NewConnectionParams(netIP, s.port, s.pk, s.cert.Leaf.NotBefore, s.mode), nil
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}
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func (s *PairingServer) StartPairing() error {
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switch s.mode {
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case Receiving:
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return s.startReceivingAccountData()
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case Sending:
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return s.startSendingAccountData()
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default:
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return fmt.Errorf("invalid server mode '%d'", s.mode)
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}
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}
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func (s *PairingServer) startReceivingAccountData() error {
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s.SetHandlers(HandlerPatternMap{pairingReceive: handlePairingReceive(s)})
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return s.Start()
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}
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func (s *PairingServer) startSendingAccountData() error {
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s.SetHandlers(HandlerPatternMap{pairingSend: handlePairingSend(s)})
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return s.Start()
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}
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