Move getters to file excluded from android build (#88)

crypto/attachment.go

@@ -109,7 +109,7 @@ func (keyRing *KeyRing) EncryptAttachment(message *PlainMessage, filename string
 		len(message.GetBinary()),
 		filename,
 		message.IsBinary(),
-		message.GetTime(),
+		message.Time,
 		-1,
 	)
 	if err != nil {

crypto/keyring_message.go

@@ -5,7 +5,6 @@ import (
 	"crypto"
 	"io"
 	"io/ioutil"
-	"time"
 
 	"golang.org/x/crypto/openpgp"
 	"golang.org/x/crypto/openpgp/packet"
@@ -86,8 +85,8 @@ func asymmetricEncrypt(plainMessage *PlainMessage, publicKey, privateKey *KeyRin
 
 	hints := &openpgp.FileHints{
 		IsBinary: plainMessage.IsBinary(),
-		FileName: plainMessage.GetFilename(),
-		ModTime:  time.Unix(int64(plainMessage.GetTime()), 0),
+		FileName: plainMessage.Filename,
+		ModTime:  plainMessage.getFormattedTime(),
 	}
 
 	if plainMessage.IsBinary() {

crypto/message.go

@@ -10,6 +10,7 @@ import (
 	"regexp"
 	"runtime"
 	"strings"
+	"time"
 
 	"github.com/ProtonMail/gopenpgp/v2/armor"
 	"github.com/ProtonMail/gopenpgp/v2/constants"
@@ -220,14 +221,9 @@ func (msg *PlainMessage) IsBinary() bool {
 	return !msg.TextType
 }
 
-// GetFilename returns the file name of the message as a string.
-func (msg *PlainMessage) GetFilename() string {
-	return msg.Filename
-}
-
-// GetTime returns the modification time of a file (if provided in the ciphertext).
-func (msg *PlainMessage) GetTime() uint32 {
-	return msg.Time
+// getFormattedTime returns the message (latest modification) Time as time.Time.
+func (msg *PlainMessage) getFormattedTime() time.Time {
+	return time.Unix(int64(msg.Time), 0)
 }
 
 // GetBinary returns the unarmored binary content of the message as a []byte.

crypto/message_getters.go

@@ -0,0 +1,13 @@
+// +build !android
+
+package crypto
+
+// GetFilename returns the file name of the message as a string.
+func (msg *PlainMessage) GetFilename() string {
+	return msg.Filename
+}
+
+// GetTime returns the modification time of a file (if provided in the ciphertext).
+func (msg *PlainMessage) GetTime() uint32 {
+	return msg.Time
+}

crypto/password.go

@@ -3,12 +3,10 @@ package crypto
 import (
 	"bytes"
 	"io"
-	"time"
-
-	"golang.org/x/crypto/openpgp"
-	"golang.org/x/crypto/openpgp/packet"
 
 	"github.com/pkg/errors"
+	"golang.org/x/crypto/openpgp"
+	"golang.org/x/crypto/openpgp/packet"
 )
 
 // EncryptMessageWithPassword encrypts a PlainMessage to PGPMessage with a
@@ -115,8 +113,8 @@ func passwordEncrypt(message *PlainMessage, password []byte) ([]byte, error) {
 
 	hints := &openpgp.FileHints{
 		IsBinary: message.IsBinary(),
-		FileName: message.GetFilename(),
-		ModTime:  time.Unix(int64(message.GetTime()), 0),
+		FileName: message.Filename,
+		ModTime:  message.getFormattedTime(),
 	}
 
 	encryptWriter, err := openpgp.SymmetricallyEncrypt(&outBuf, password, hints, config)

crypto/sessionkey.go

@@ -142,8 +142,8 @@ func (sk *SessionKey) Encrypt(message *PlainMessage) ([]byte, error) {
 	encryptWriter, err = packet.SerializeLiteral(
 		encryptWriter,
 		message.IsBinary(),
-		message.GetFilename(),
-		message.GetTime(),
+		message.Filename,
+		message.Time,
 	)
 
 	if err != nil {