meowlib/client/peer.go

package client

import (
	"fmt"
	"time"

	"forge.redroom.link/yves/meowlib"
)

type Peer struct {
	Name string `json:"name,omitempty"`
	//	Conversation        []InternalMessage `json:"conversation,omitempty"`
	// My own keys for that peer
	Me           meowlib.KeyPair `json:"me,omitempty"`
	EncryptionKp meowlib.KeyPair `json:"conversation_kp,omitempty"`
	LookupKp     meowlib.KeyPair `json:"lookup_kp,omitempty"`
	// Peer keys and infos
	Contact meowlib.ContactCard `json:"contact,omitempty"`
	// Internal management attributes
	Visible             bool      `json:"visible,omitempty"`
	VisiblePassword     string    `json:"visible_password,omitempty"`
	PasswordType        string    `json:"password_type,omitempty"`
	Blocked             bool      `json:"blocked,omitempty"`
	MessageNotification string    `json:"message_notification,omitempty"`
	OnionMode           bool      `json:"onion_mode,omitempty"`
	LastMessage         time.Time `json:"last_message,omitempty"`
}

type PeerList []Peer

type Group struct {
	Name    string `json:"name,omitempty"`
	Members []Peer `json:"members,omitempty"`
}

func (pl *PeerList) GetFromPublicKey(publickey string) *Peer {
	for _, peer := range *pl {
		if peer.Contact.ContactPublicKey == publickey {
			return &peer
		}
	}
	return nil
}

func (pl *PeerList) GetFromName(name string) *Peer {
	for _, peer := range *pl {
		if peer.Contact.Name == name {
			return &peer
		}
	}
	return nil
}

// AsymEncryptMessage prepares a message to send to a specific peer contact
func (p *Peer) AsymEncryptMessage(Message []byte) (LookupPublicKey string, EncryptedMessage []byte, Signature []byte, Servers []*meowlib.Server, err error) {
	EncryptedMessage, Signature, err = meowlib.EncryptAndSign(p.Contact.EncryptionPublicKey, p.Me.Private, Message)
	if err != nil {
		fmt.Println(err.Error())
		return "", nil, nil, nil, err
	}

	return p.LookupKp.Public, EncryptedMessage, Signature, p.Contact.PullServers, err
}

// AsymDecryptMessage reads a message from a specific peer contact
func (p *Peer) AsymDecryptMessage(Message []byte, Signature []byte) (DecryptedMessage []byte, err error) {
	DecryptedMessage, err = meowlib.DecryptAndCheck(p.Me.Private, p.Contact.ContactPublicKey, Message, Signature)
	if err != nil {
		fmt.Println(err.Error())
		return nil, err
	}
	return DecryptedMessage, err
}