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Cache Fix

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This commit is contained in:
CH Chethan Reddy 2020-08-24 13:56:50 +05:30
parent 8a4bd37fea
commit 1d299951b6
6 changed files with 185 additions and 91 deletions
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42
src/Cache.cpp
View file

@ -111,6 +111,24 @@ Cache::Cache(const QString &userId, QObject *parent)
, localUserId_{userId}
{
setup();
connect(this,
&Cache::updateUserCacheFlag,
this,
[this](const std::string &user_id) {
std::optional<UserCache> cache_ = getUserCache(user_id);
if (cache_.has_value()) {
cache_.value().isUpdated = false;
setUserCache(user_id, cache_.value());
} else {
setUserCache(user_id, UserCache{});
}
},
Qt::QueuedConnection);
connect(this,
&Cache::deleteLeftUsers,
this,
[this](const std::string &user_id) { deleteUserCache(user_id); },
Qt::QueuedConnection);
}
void
@ -1011,7 +1029,7 @@ Cache::saveState(const mtx::responses::Sync &res)
savePresence(txn, res.presence);
// updateUserCache(res.device_lists);
updateUserCache(res.device_lists);
removeLeftRooms(txn, res.rooms.leave);
@ -2890,12 +2908,14 @@ void
to_json(json &j, const UserCache &info)
{
j["keys"] = info.keys;
j["isUpdated"] = info.isUpdated;
}
void
from_json(const json &j, UserCache &info)
{
info.keys = j.at("keys").get<mtx::responses::QueryKeys>();
info.isUpdated = j.at("isUpdated").get<bool>();
}
std::optional<UserCache>
@ -2935,26 +2955,12 @@ Cache::setUserCache(const std::string &user_id, const UserCache &body)
void
Cache::updateUserCache(const mtx::responses::DeviceLists body)
{
for (auto user_id : body.changed) {
mtx::requests::QueryKeys req;
req.device_keys[user_id] = {};
http::client()->query_keys(
req,
[user_id, this](const mtx::responses::QueryKeys res, mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to query device keys: {},{}",
err->matrix_error.errcode,
static_cast<int>(err->status_code));
return;
}
setUserCache(user_id, UserCache{std::move(res)});
});
for (std::string user_id : body.changed) {
emit updateUserCacheFlag(user_id);
}
for (std::string user_id : body.left) {
deleteUserCache(user_id);
emit deleteLeftUsers(user_id);
}
}

5
src/CacheCryptoStructs.h
View file

@ -71,9 +71,12 @@ struct UserCache
{
//! map of public key key_ids and their public_key
mtx::responses::QueryKeys keys;
//! if the current cache is updated or not
bool isUpdated = false;
UserCache(mtx::responses::QueryKeys res)
UserCache(mtx::responses::QueryKeys res, bool isUpdated_ = false)
: keys(res)
, isUpdated(isUpdated_)
{}
UserCache() {}
};

2
src/Cache_p.h
View file

@ -269,6 +269,8 @@ signals:
void newReadReceipts(const QString &room_id, const std::vector<QString> &event_ids);
void roomReadStatus(const std::map<QString, bool> &status);
void removeNotification(const QString &room_id, const QString &event_id);
void updateUserCacheFlag(const std::string &user_id);
void deleteLeftUsers(const std::string &user_id);
private:
//! Save an invited room.

35
src/ChatPage.cpp
View file

@ -52,6 +52,8 @@
#include "blurhash.hpp"
#include <iostream> // only for debugging
// TODO: Needs to be updated with an actual secret.
static const std::string STORAGE_SECRET_KEY("secret");
@ -1446,3 +1448,36 @@ ChatPage::initiateLogout()
emit showOverlayProgressBar();
}
void
ChatPage::query_keys(
const mtx::requests::QueryKeys &req,
std::function<void(const mtx::responses::QueryKeys &, mtx::http::RequestErr)> cb)
{
std::string user_id = req.device_keys.begin()->first;
auto cache_ = cache::getUserCache(user_id);
if (cache_.has_value()) {
if (cache_.value().isUpdated) {
cb(cache_.value().keys, {});
} else {
http::client()->query_keys(
req,
[cb, user_id](const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to query device keys: {},{}",
err->matrix_error.errcode,
static_cast<int>(err->status_code));
return;
}
std::cout << "Over here " << user_id << std::endl;
cache::setUserCache(std::move(user_id),
std::move(UserCache{res, true}));
cb(res, err);
});
}
} else {
http::client()->query_keys(req, cb);
}
}

3
src/ChatPage.h
View file

@ -89,6 +89,9 @@ public:
//! Show the room/group list (if it was visible).
void showSideBars();
void initiateLogout();
void query_keys(
const mtx::requests::QueryKeys &req,
std::function<void(const mtx::responses::QueryKeys &, mtx::http::RequestErr)> cb);
void focusMessageInput();
QString status() const;

95
src/ui/UserProfile.cpp
View file

@ -85,10 +85,16 @@ UserProfile::getUserStatus()
}
void
UserProfile::callback_fn(const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err,
std::string user_id)
UserProfile::fetchDeviceList(const QString &userID)
{
auto localUser = utils::localUser();
mtx::requests::QueryKeys req;
req.device_keys[userID.toStdString()] = {};
ChatPage::instance()->query_keys(
req,
[user_id = userID.toStdString(), local_user_id = localUser.toStdString(), this](
const mtx::responses::QueryKeys &res, mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to query device keys: {},{}",
err->matrix_error.errcode,
@ -96,7 +102,8 @@ UserProfile::callback_fn(const mtx::responses::QueryKeys &res,
return;
}
if (res.device_keys.empty() || (res.device_keys.find(user_id) == res.device_keys.end())) {
if (res.device_keys.empty() ||
(res.device_keys.find(user_id) == res.device_keys.end())) {
nhlog::net()->warn("no devices retrieved {}", user_id);
return;
}
@ -132,32 +139,70 @@ UserProfile::callback_fn(const mtx::responses::QueryKeys &res,
verified});
}
std::sort(
deviceInfo.begin(), deviceInfo.end(), [](const DeviceInfo &a, const DeviceInfo &b) {
// Finding if the User is Verified or not based on the Signatures
mtx::requests::QueryKeys req;
req.device_keys[local_user_id] = {};
ChatPage::instance()->query_keys(
req,
[&local_user_id, &user_id, other_res = res, this](
const mtx::responses::QueryKeys &res, mtx::http::RequestErr err) {
using namespace mtx;
if (err) {
nhlog::net()->warn("failed to query device keys: {},{}",
err->matrix_error.errcode,
static_cast<int>(err->status_code));
return;
}
std::optional<crypto::CrossSigningKeys> lmk, lsk, luk, mk, sk, uk;
if (res.master_keys.find(local_user_id) != res.master_keys.end())
lmk = res.master_keys.at(local_user_id);
if (res.user_signing_keys.find(local_user_id) !=
res.user_signing_keys.end())
luk = res.user_signing_keys.at(local_user_id);
if (res.self_signing_keys.find(local_user_id) !=
res.self_signing_keys.end())
lsk = res.self_signing_keys.at(local_user_id);
if (other_res.master_keys.find(user_id) != other_res.master_keys.end())
mk = other_res.master_keys.at(user_id);
if (other_res.user_signing_keys.find(user_id) !=
other_res.user_signing_keys.end())
uk = other_res.user_signing_keys.at(user_id);
if (other_res.self_signing_keys.find(user_id) !=
other_res.self_signing_keys.end())
sk = other_res.self_signing_keys.at(user_id);
// First checking if the user is verified
if (lmk.has_value() && luk.has_value()) {
bool is_user_verified = false;
for (auto sign_key : lmk.value().keys) {
if (!luk.value().signatures.empty()) {
for (auto signature :
luk.value().signatures.at(local_user_id)) {
is_user_verified =
is_user_verified ||
(olm::client()->ed25519_verify_sig(
sign_key.second,
json(luk.value()),
signature.second));
}
}
}
std::cout << (isUserVerified ? "Yes" : "No") << std::endl;
}
});
std::sort(deviceInfo.begin(),
deviceInfo.end(),
[](const DeviceInfo &a, const DeviceInfo &b) {
return a.device_id > b.device_id;
});
this->deviceList_.queueReset(std::move(deviceInfo));
}
void
UserProfile::fetchDeviceList(const QString &userID)
{
auto localUser = utils::localUser();
auto user_cache = cache::getUserCache(userID.toStdString());
if (user_cache.has_value()) {
this->callback_fn(user_cache->keys, {}, userID.toStdString());
} else {
mtx::requests::QueryKeys req;
req.device_keys[userID.toStdString()] = {};
http::client()->query_keys(
req,
[user_id = userID.toStdString(), this](const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err) {
this->callback_fn(res, err, user_id);
});
}
}
void