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604cdcec8a
Otherwise after a restart the old account will be loaded and we won't be able to decrypt messages from devices using the new one-time keys. Also new one-time key upload requests will fail due to conflicts with the existing keys with the same keyid.
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
#pragma once
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#include <boost/optional.hpp>
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#include <memory>
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#include <mtx.hpp>
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#include <mtxclient/crypto/client.hpp>
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constexpr auto OLM_ALGO = "m.olm.v1.curve25519-aes-sha2";
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namespace olm {
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struct OlmCipherContent
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{
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std::string body;
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uint8_t type;
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};
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inline void
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from_json(const nlohmann::json &obj, OlmCipherContent &msg)
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{
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msg.body = obj.at("body");
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msg.type = obj.at("type");
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}
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struct OlmMessage
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{
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std::string sender_key;
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std::string sender;
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using RecipientKey = std::string;
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std::map<RecipientKey, OlmCipherContent> ciphertext;
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};
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inline void
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from_json(const nlohmann::json &obj, OlmMessage &msg)
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{
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if (obj.at("type") != "m.room.encrypted")
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throw std::invalid_argument("invalid type for olm message");
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if (obj.at("content").at("algorithm") != OLM_ALGO)
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throw std::invalid_argument("invalid algorithm for olm message");
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msg.sender = obj.at("sender");
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msg.sender_key = obj.at("content").at("sender_key");
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msg.ciphertext =
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obj.at("content").at("ciphertext").get<std::map<std::string, OlmCipherContent>>();
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}
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mtx::crypto::OlmClient *
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client();
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void
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handle_to_device_messages(const std::vector<nlohmann::json> &msgs);
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boost::optional<json>
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try_olm_decryption(const std::string &sender_key, const OlmCipherContent &content);
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void
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handle_olm_message(const OlmMessage &msg);
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//! Establish a new inbound megolm session with the decrypted payload from olm.
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void
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create_inbound_megolm_session(const std::string &sender,
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const std::string &sender_key,
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const nlohmann::json &payload);
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void
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handle_pre_key_olm_message(const std::string &sender,
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const std::string &sender_key,
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const OlmCipherContent &content);
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mtx::events::msg::Encrypted
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encrypt_group_message(const std::string &room_id,
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const std::string &device_id,
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const std::string &body);
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void
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mark_keys_as_published();
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} // namespace olm
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