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BayernMessenger
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Code Issues 4 Pull Requests Releases Wiki Activity

Cleanup

This commit is contained in:
Benoit Marty 2019-07-05 16:11:54 +02:00
parent f3fab0dc08
commit 03050c3f25
1 changed files with 19 additions and 16 deletions
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35
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/algorithms/megolm/MXMegolmDecryption.kt
View File

@ -68,17 +68,20 @@ internal class MXMegolmDecryption(private val credentials: Credentials,
}

private fun decryptEvent(event: Event, timeline: String, requestKeysOnFail: Boolean): Try<MXEventDecryptionResult> {
val encryptedEventContent = event.content.toModel<EncryptedEventContent>()
?: return Try.Failure(MXCryptoError.Base(MXCryptoError.ErrorType.MISSING_FIELDS, MXCryptoError.MISSING_FIELDS_REASON))

if (TextUtils.isEmpty(encryptedEventContent.senderKey)
|| TextUtils.isEmpty(encryptedEventContent.sessionId)
|| TextUtils.isEmpty(encryptedEventContent.ciphertext)) {
if (event.roomId.isNullOrBlank()) {
return Try.Failure(MXCryptoError.Base(MXCryptoError.ErrorType.MISSING_FIELDS, MXCryptoError.MISSING_FIELDS_REASON))
}

// TODO Why AS says this code is unreachable?
return olmDevice.decryptGroupMessage(encryptedEventContent.ciphertext!!, event.roomId!!, timeline, encryptedEventContent.sessionId!!, encryptedEventContent.senderKey!!)
val encryptedEventContent = event.content.toModel<EncryptedEventContent>()
?: return Try.Failure(MXCryptoError.Base(MXCryptoError.ErrorType.MISSING_FIELDS, MXCryptoError.MISSING_FIELDS_REASON))

if (encryptedEventContent.senderKey.isNullOrBlank()
|| encryptedEventContent.sessionId.isNullOrBlank()
|| encryptedEventContent.ciphertext.isNullOrBlank()) {
return Try.Failure(MXCryptoError.Base(MXCryptoError.ErrorType.MISSING_FIELDS, MXCryptoError.MISSING_FIELDS_REASON))
}

return olmDevice.decryptGroupMessage(encryptedEventContent.ciphertext, event.roomId, timeline, encryptedEventContent.sessionId, encryptedEventContent.senderKey)
.fold(
{ throwable ->
if (throwable is MXCryptoError.OlmError) {
@ -93,7 +96,7 @@ internal class MXMegolmDecryption(private val credentials: Credentials,
val reason = String.format(MXCryptoError.OLM_REASON, throwable.olmException.message)
val detailedReason = String.format(MXCryptoError.DETAILED_OLM_REASON, encryptedEventContent.ciphertext, reason)

return Try.Failure(MXCryptoError.Base(
Try.Failure(MXCryptoError.Base(
MXCryptoError.ErrorType.OLM,
reason,
detailedReason))
@ -107,17 +110,17 @@ internal class MXMegolmDecryption(private val credentials: Credentials,
}
}

return Try.Failure(throwable)
Try.Failure(throwable)
},
{ decryptionResult ->
{ olmDecryptionResult ->
// the decryption succeeds
return if (decryptionResult.payload != null) {
if (olmDecryptionResult.payload != null) {
Try.just(
MXEventDecryptionResult(
clearEvent = decryptionResult.payload,
senderCurve25519Key = decryptionResult.senderKey,
claimedEd25519Key = decryptionResult.keysClaimed?.get("ed25519"),
forwardingCurve25519KeyChain = decryptionResult.forwardingCurve25519KeyChain ?: emptyList()
clearEvent = olmDecryptionResult.payload,
senderCurve25519Key = olmDecryptionResult.senderKey,
claimedEd25519Key = olmDecryptionResult.keysClaimed?.get("ed25519"),
forwardingCurve25519KeyChain = olmDecryptionResult.forwardingCurve25519KeyChain ?: emptyList()
)
)
} else {