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Don't try to send megolm session keys to devices with no one-time keys

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This commit is contained in:
Konstantinos Sideris 2018-06-15 16:45:39 +03:00
parent b758cc4487
commit 24e0285210
2 changed files with 96 additions and 79 deletions
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21
include/timeline/TimelineView.h
View file

@ -33,6 +33,19 @@
#include "ScrollBar.h"
#include "TimelineItem.h"
class StateKeeper
{
public:
StateKeeper(std::function<void()> &&fn)
: fn_(std::move(fn))
{}
~StateKeeper() { fn_(); }
private:
std::function<void()> fn_;
};
class FloatingButton;
struct DescInfo;
@ -181,6 +194,14 @@ private:
TimelineEvent parseEncryptedEvent(
const mtx::events::EncryptedEvent<mtx::events::msg::Encrypted> &e);
void handleClaimedKeys(std::shared_ptr<StateKeeper> keeper,
const std::string &room_key,
const DevicePublicKeys &pks,
const std::string &user_id,
const std::string &device_id,
const mtx::responses::ClaimKeys &res,
mtx::http::RequestErr err);
//! Callback for all message sending.
void sendRoomMessageHandler(const std::string &txn_id,
const mtx::responses::EventId &res,

154
src/timeline/TimelineView.cc
View file

@ -34,19 +34,6 @@
#include "timeline/widgets/ImageItem.h"
#include "timeline/widgets/VideoItem.h"
class StateKeeper
{
public:
StateKeeper(std::function<void()> &&fn)
: fn_(std::move(fn))
{}
~StateKeeper() { fn_(); }
private:
std::function<void()> fn_;
};
using TimelineEvent = mtx::events::collections::TimelineEvents;
DateSeparator::DateSeparator(QDateTime datetime, QWidget *parent)
@ -1254,8 +1241,8 @@ TimelineView::prepareEncryptedMessage(const PendingMessage &msg)
http::v2::client()->query_keys(
req,
[keeper = std::move(keeper), megolm_payload](const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err) {
[keeper = std::move(keeper), megolm_payload, this](
const mtx::responses::QueryKeys &res, mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to query device keys: {} {}",
err->matrix_error.error,
@ -1300,70 +1287,15 @@ TimelineView::prepareEncryptedMessage(const PendingMessage &msg)
http::v2::client()->claim_keys(
dev.second.user_id,
{dev.second.device_id},
[keeper,
room_key,
pks,
user_id = dev.second.user_id,
device_id = dev.second.device_id](
const mtx::responses::ClaimKeys &res,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn(
"claim keys error: {}",
err->matrix_error.error);
return;
}
nhlog::net()->info("claimed keys for {} - {}",
user_id,
device_id);
auto retrieved_devices =
res.one_time_keys.at(user_id);
for (const auto &rd : retrieved_devices) {
nhlog::net()->info("{} : \n {}",
rd.first,
rd.second.dump(2));
// TODO: Verify signatures
auto otk = rd.second.begin()->at("key");
auto id_key = pks.curve25519;
auto s = olm::client()
->create_outbound_session(
id_key, otk);
auto device_msg =
olm::client()
->create_olm_encrypted_content(
s.get(),
room_key,
pks.curve25519);
// TODO: Handle exception
cache::client()->saveOlmSession(
id_key, std::move(s));
json body{
{"messages",
{{user_id,
{{device_id, device_msg}}}}}};
http::v2::client()->send_to_device(
"m.room.encrypted",
body,
[keeper](mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn(
"failed to send "
"send_to_device "
"message: {}",
err->matrix_error
.error);
}
});
}
});
std::bind(&TimelineView::handleClaimedKeys,
this,
keeper,
room_key,
pks,
dev.second.user_id,
dev.second.device_id,
std::placeholders::_1,
std::placeholders::_2));
}
}
});
@ -1374,3 +1306,67 @@ TimelineView::prepareEncryptedMessage(const PendingMessage &msg)
return;
}
}
void
TimelineView::handleClaimedKeys(std::shared_ptr<StateKeeper> keeper,
const std::string &room_key,
const DevicePublicKeys &pks,
const std::string &user_id,
const std::string &device_id,
const mtx::responses::ClaimKeys &res,
mtx::http::RequestErr err)
{
if (err) {
nhlog::net()->warn("claim keys error: {}", err->matrix_error.error);
return;
}
nhlog::net()->info("claimed keys for {} - {}", user_id, device_id);
if (res.one_time_keys.size() == 0) {
nhlog::net()->info("no one-time keys found for device_id: {}", device_id);
return;
}
if (res.one_time_keys.find(user_id) == res.one_time_keys.end()) {
nhlog::net()->info(
"no one-time keys found in device_id {} for the user {}", device_id, user_id);
return;
}
auto retrieved_devices = res.one_time_keys.at(user_id);
for (const auto &rd : retrieved_devices) {
nhlog::net()->info("{} : \n {}", rd.first, rd.second.dump(2));
// TODO: Verify signatures
auto otk = rd.second.begin()->at("key");
auto id_key = pks.curve25519;
auto s = olm::client()->create_outbound_session(id_key, otk);
auto device_msg =
olm::client()->create_olm_encrypted_content(s.get(), room_key, pks.curve25519);
try {
cache::client()->saveOlmSession(id_key, std::move(s));
} catch (const lmdb::error &e) {
nhlog::db()->critical("failed to save outbound olm session: {}", e.what());
} catch (const mtx::crypto::olm_exception &e) {
nhlog::crypto()->critical("failed to pickle outbound olm session: {}",
e.what());
}
json body{{"messages", {{user_id, {{device_id, device_msg}}}}}};
http::v2::client()->send_to_device(
"m.room.encrypted", body, [keeper](mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to send "
"send_to_device "
"message: {}",
err->matrix_error.error);
}
});
}
}