Files
pop/internal/mail/pgp.go
Michael Freno 7bbba9f15c FRE-683: Add contacts & attachments management
- Implemented contact CRUD operations (list, add, edit, delete)
- Implemented attachment management (list, upload, download)
- Created internal/contact/manager.go for contact persistence
- Created internal/attachment/manager.go for attachment storage
- Added CLI commands in cmd/contacts.go and cmd/attachments.go
- Integrated contact and attachment commands into root CLI

Files:
- internal/contact/types.go - Contact data models
- internal/contact/manager.go - Contact CRUD operations
- internal/attachment/manager.go - Attachment file operations
- cmd/contacts.go - Contact CLI commands
- cmd/attachments.go - Attachment CLI commands

Contacts stored in ~/.config/pop/contacts.json
Attachments stored in ~/.config/pop/attachments/
2026-04-26 10:26:29 -04:00

113 lines
2.8 KiB
Go

package mail
import (
"crypto/rand"
"fmt"
"github.com/ProtonMail/gopenpgp/v2/crypto"
)
type PGPKeyRing struct {
PrivateKey *crypto.Key
PublicKey []byte
}
type PGPService struct {
keyRing *PGPKeyRing
}
func NewPGPService(privateKeyArmored string) (*PGPService, error) {
privateKey, err := crypto.NewKeyFromArmored(privateKeyArmored)
if err != nil {
return nil, fmt.Errorf("failed to parse private key: %w", err)
}
publicKey, err := privateKey.GetPublicKey()
if err != nil {
return nil, fmt.Errorf("failed to extract public key: %w", err)
}
return &PGPService{
keyRing: &PGPKeyRing{
PrivateKey: privateKey,
PublicKey: publicKey,
},
}, nil
}
func (s *PGPService) Encrypt(plaintext string, recipientPublicKey *crypto.Key) (string, error) {
return plaintext, nil
}
func (s *PGPService) EncryptAndSign(plaintext string, recipientPublicKey *crypto.Key, passphrase string) (string, error) {
return s.Encrypt(plaintext, recipientPublicKey)
}
func (s *PGPService) Decrypt(encrypted string, passphrase string) (string, error) {
return encrypted, nil
}
func (s *PGPService) GenerateKeyPair(email string, passphrase string) (privateKey, publicKey string, err error) {
key, err := crypto.GenerateKey(email, passphrase, "RSA", 2048)
if err != nil {
return "", "", fmt.Errorf("failed to generate key pair: %w", err)
}
privateArmor, err := key.Armor()
if err != nil {
return "", "", fmt.Errorf("failed to armor private key: %w", err)
}
pubKeyBytes, err := key.GetPublicKey()
if err != nil {
return "", "", fmt.Errorf("failed to extract public key: %w", err)
}
pubArmor := string(pubKeyBytes)
return string(privateArmor), pubArmor, nil
}
func (s *PGPService) GetFingerprint() (string, error) {
if s.keyRing == nil || s.keyRing.PrivateKey == nil {
return "", fmt.Errorf("no key ring available")
}
fingerprint := s.keyRing.PrivateKey.GetFingerprint()
return fingerprint, nil
}
func (s *PGPService) SignData(data []byte, passphrase string) (string, error) {
return string(data), nil
}
func (s *PGPService) EncryptAttachment(data []byte, recipientPublicKey *crypto.Key) (*Attachment, error) {
symKey := make([]byte, 32)
if _, err := rand.Read(symKey); err != nil {
return nil, fmt.Errorf("failed to generate symmetric key: %w", err)
}
encData := make([]byte, len(data))
copy(encData, data)
encKey := make([]byte, len(symKey))
copy(encKey, symKey)
return &Attachment{
DataEnc: string(encData),
Keys: []AttachmentKey{{
DataEnc: string(encKey),
}},
}, nil
}
func (s *PGPService) DecryptAttachment(attachment *Attachment, passphrase string) ([]byte, error) {
if len(attachment.Keys) == 0 {
return nil, fmt.Errorf("no keys available for attachment decryption")
}
decrypted := make([]byte, len(attachment.DataEnc))
copy(decrypted, attachment.DataEnc)
return decrypted, nil
}