diff options
Diffstat (limited to 'lib/crypto/session.h')
-rw-r--r-- | lib/crypto/session.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/lib/crypto/session.h b/lib/crypto/session.h deleted file mode 100644 index 24702564..00000000 --- a/lib/crypto/session.h +++ /dev/null @@ -1,77 +0,0 @@ -// SPDX-FileCopyrightText: 2021 Alexey Andreyev <aa13q@ya.ru> -// -// SPDX-License-Identifier: LGPL-2.1-or-later - -#pragma once - -#ifdef Quotient_E2EE_ENABLED - -#include <QDebug> -#include <olm/olm.h> -#include "crypto/e2ee.h" -#include "crypto/message.h" -#include "crypto/errors.h" -#include "crypto/qolmaccount.h" - -namespace Quotient { - -class QOlmAccount; -class QOlmSession; - - -//! Either an outbound or inbound session for secure communication. -class QOlmSession -{ -public: - ~QOlmSession(); - //! Creates an inbound session for sending/receiving messages from a received 'prekey' message. - static std::variant<std::unique_ptr<QOlmSession>, OlmError> createInboundSession(QOlmAccount *account, const Message &preKeyMessage); - static std::variant<std::unique_ptr<QOlmSession>, OlmError> createInboundSessionFrom(QOlmAccount *account, const QString &theirIdentityKey, const Message &preKeyMessage); - static std::variant<std::unique_ptr<QOlmSession>, OlmError> createOutboundSession(QOlmAccount *account, const QString &theirIdentityKey, const QString &theirOneTimeKey); - //! Serialises an `QOlmSession` to encrypted Base64. - std::variant<QByteArray, OlmError> pickle(const PicklingMode &mode); - //! Deserialises from encrypted Base64 that was previously obtained by pickling a `QOlmSession`. - static std::variant<std::unique_ptr<QOlmSession>, OlmError> unpickle(const QByteArray &pickled, const PicklingMode &mode); - //! Encrypts a plaintext message using the session. - Message encrypt(const QString &plaintext); - - //! Decrypts a message using this session. Decoding is lossy, meaing if - //! the decrypted plaintext contains invalid UTF-8 symbols, they will - //! be returned as `U+FFFD` (�). - std::variant<QString, OlmError> decrypt(const Message &message) const; - - //! Get a base64-encoded identifier for this session. - QByteArray sessionId() const; - - //! The type of the next message that will be returned from encryption. - Message::Type encryptMessageType(); - - //! Checker for any received messages for this session. - bool hasReceivedMessage() const; - - //! Checks if the 'prekey' message is for this in-bound session. - std::variant<bool, OlmError> matchesInboundSession(Message &preKeyMessage); - - friend bool operator<(const QOlmSession& lhs, const QOlmSession& rhs) - { - return lhs.sessionId() < rhs.sessionId(); - } - - friend bool operator<(const std::unique_ptr<QOlmSession> &lhs, const std::unique_ptr<QOlmSession> &rhs) { - return *lhs < *rhs; - } - - QOlmSession(OlmSession* session); -private: - //! Helper function for creating new sessions and handling errors. - static OlmSession* create(); - static std::variant<std::unique_ptr<QOlmSession>, OlmError> createInbound(QOlmAccount *account, const Message& preKeyMessage, bool from = false, const QString& theirIdentityKey = ""); - OlmSession* m_session; -}; - - -//using QOlmSessionPtr = std::unique_ptr<QOlmSession>; - -} //namespace Quotient - -#endif // Quotient_E2EE_ENABLED |