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[WIP] Add Caching for users

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This commit is contained in:
CH Chethan Reddy 2020-06-28 21:01:34 +05:30
parent ffa61095b8
commit 6fae36abc4
8 changed files with 282 additions and 59 deletions
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18
resources/qml/TimelineView.qml
View file

@ -21,6 +21,7 @@ Page {
property real highlightHue: colors.highlight.hslHue
property real highlightSat: colors.highlight.hslSaturation
property real highlightLight: colors.highlight.hslLightness
property variant userProfile
palette: colors
@ -238,6 +239,11 @@ Page {
}
}
Component{
id: userProfileComponent
UserProfile{}
}
section {
property: "section"
}
@ -274,8 +280,6 @@ Page {
}
}
property variant userProfile
Row {
height: userName.height
spacing: 8
@ -290,9 +294,7 @@ Page {
MouseArea {
anchors.fill: parent
onClicked: {
if(userProfile) userProfile.destroy()
var component = Qt.createComponent("UserProfile.qml");
userProfile = component.createObject(timelineRoot,{user_data : modelData});
userProfile = userProfileComponent.createObject(timelineRoot,{user_data: modelData,avatarUrl:chat.model.avatarUrl(modelData.userId)});
userProfile.show();
}
cursorShape: Qt.PointingHandCursor
@ -310,10 +312,8 @@ Page {
anchors.fill: parent
Layout.alignment: Qt.AlignHCenter
onClicked: {
if(userProfile) userProfile.destroy()
var component = Qt.createComponent("UserProfile.qml")
userProfile = component.createObject(timelineRoot,{user_data : modelData})
userProfile.show()
userProfile = userProfileComponent.createObject(timelineRoot,{user_data: modelData,avatarUrl:chat.model.avatarUrl(modelData.userId)});
userProfile.show();
}
cursorShape: Qt.PointingHandCursor
propagateComposedEvents: true

11
resources/qml/UserProfile.qml
View file

@ -9,6 +9,7 @@ import "./device-verification"
ApplicationWindow{
property var user_data
property var avatarUrl
property var colors: currentActivePalette
id:userProfileDialog
@ -52,11 +53,11 @@ ApplicationWindow{
Avatar{
id: userProfileAvatar
url:chat.model.avatarUrl(user_data.userId).replace("mxc://", "image://MxcImage/")
url: avatarUrl.replace("mxc://", "image://MxcImage/")
height: 130
width: 130
displayName: modelData.userName
userid: modelData.userId
displayName: user_data.userName
userid: user_data.userId
Layout.alignment: Qt.AlignHCenter
Layout.margins : {
top: 10
@ -68,7 +69,7 @@ ApplicationWindow{
text: user_data.userName
fontSizeMode: Text.HorizontalFit
font.pixelSize: 20
color:TimelineManager.userColor(modelData.userId, colors.window)
color:TimelineManager.userColor(user_data.userId, colors.window)
font.bold: true
Layout.alignment: Qt.AlignHCenter
}
@ -207,7 +208,7 @@ ApplicationWindow{
Layout.margins : {
right : 10
bottom : 10
bottom: 5
}
palette {

138
src/Cache.cpp
View file

@ -2882,6 +2882,115 @@ Cache::statusMessage(const std::string &user_id)
return status_msg;
}
void
to_json(json &j, const UserCache &info)
{
j["user_id"] = info.user_id;
j["is_user_verified"] = info.is_user_verified;
j["cross_verified"] = info.cross_verified;
j["keys"] = info.keys;
}
void
from_json(const json &j, UserCache &info)
{
info.user_id = j.at("user_id");
info.is_user_verified = j.at("is_user_verified");
info.cross_verified = j.at("cross_verified").get<std::vector<std::string>>();
info.keys = j.at("keys").get<mtx::responses::QueryKeys>();
}
UserCache
Cache::getUserCache(const std::string &user_id)
{
lmdb::val verifiedVal;
auto txn = lmdb::txn::begin(env_);
auto db = getUserCacheDb(txn);
auto res = lmdb::dbi_get(txn, db, lmdb::val(user_id), verifiedVal);
UserCache verified_state;
if (res) {
verified_state = json::parse(std::string(verifiedVal.data(), verifiedVal.size()));
}
txn.commit();
return verified_state;
}
//! be careful when using make sure is_user_verified is not changed
int
Cache::setUserCache(const std::string &user_id, const UserCache &body)
{
auto txn = lmdb::txn::begin(env_);
auto db = getUserCacheDb(txn);
auto res = lmdb::dbi_put(txn, db, lmdb::val(user_id), lmdb::val(json(body).dump()));
txn.commit();
return res;
}
int
Cache::deleteUserCache(const std::string &user_id)
{
auto txn = lmdb::txn::begin(env_);
auto db = getUserCacheDb(txn);
auto res = lmdb::dbi_del(txn, db, lmdb::val(user_id), nullptr);
txn.commit();
return res;
}
void
to_json(json &j, const DeviceVerifiedCache &info)
{
j["user_id"] = info.user_id;
j["device_verified"] = info.device_verified;
}
void
from_json(const json &j, DeviceVerifiedCache &info)
{
info.user_id = j.at("user_id");
info.device_verified = j.at("device_verified").get<std::vector<std::string>>();
}
DeviceVerifiedCache
Cache::getVerifiedCache(const std::string &user_id)
{
lmdb::val verifiedVal;
auto txn = lmdb::txn::begin(env_);
auto db = getDeviceVerifiedDb(txn);
auto res = lmdb::dbi_get(txn, db, lmdb::val(user_id), verifiedVal);
DeviceVerifiedCache verified_state;
if (res) {
verified_state = json::parse(std::string(verifiedVal.data(), verifiedVal.size()));
}
txn.commit();
return verified_state;
}
int
Cache::setVerifiedCache(const std::string &user_id, const DeviceVerifiedCache &body)
{
auto txn = lmdb::txn::begin(env_);
auto db = getDeviceVerifiedDb(txn);
auto res = lmdb::dbi_put(txn, db, lmdb::val(user_id), lmdb::val(json(body).dump()));
txn.commit();
return res;
}
void
to_json(json &j, const RoomInfo &info)
{
@ -3063,6 +3172,35 @@ statusMessage(const std::string &user_id)
{
return instance_->statusMessage(user_id);
}
UserCache
getUserCache(const std::string &user_id)
{
return instance_->getUserCache(user_id);
}
int
setUserCache(const std::string &user_id, const UserCache &body)
{
return instance_->setUserCache(user_id, body);
}
int
deleteUserCache(const std::string &user_id)
{
return instance_->deleteUserCache(user_id);
}
DeviceVerifiedCache
getVerifiedCache(const std::string &user_id)
{
return instance_->getVerifiedCache(user_id);
}
int
setVerifiedCache(const std::string &user_id, const DeviceVerifiedCache &body)
{
return instance_->setVerifiedCache(user_id, body);
}
//! Load saved data for the display names & avatars.
void

17
src/Cache.h
View file

@ -60,6 +60,23 @@ presenceState(const std::string &user_id);
std::string
statusMessage(const std::string &user_id);
//! user Cache
UserCache
getUserCache(const std::string &user_id);
int
setUserCache(const std::string &user_id, const UserCache &body);
int
deleteUserCache(const std::string &user_id);
//! verified Cache
DeviceVerifiedCache
getVerifiedCache(const std::string &user_id);
int
setVerifiedCache(const std::string &user_id, const DeviceVerifiedCache &body);
//! Load saved data for the display names & avatars.
void
populateMembers();

30
src/CacheCryptoStructs.h
View file

@ -65,3 +65,33 @@ struct OlmSessionStorage
std::mutex group_outbound_mtx;
std::mutex group_inbound_mtx;
};
struct UserCache
{
//! user_id of the user
std::string user_id;
//! this stores if the user is verified (with cross-signing)
bool is_user_verified = false;
//! list of verified device_ids with cross-signing
std::vector<std::string> cross_verified;
//! map of public key key_ids and their public_key
mtx::responses::QueryKeys keys;
};
void
to_json(nlohmann::json &j, const UserCache &info);
void
from_json(const nlohmann::json &j, UserCache &info);
struct DeviceVerifiedCache
{
//! user_id of the user
std::string user_id;
//! list of verified device_ids with device-verification
std::vector<std::string> device_verified;
};
void
to_json(nlohmann::json &j, const DeviceVerifiedCache &info);
void
from_json(const nlohmann::json &j, DeviceVerifiedCache &info);

19
src/Cache_p.h
View file

@ -54,6 +54,15 @@ public:
mtx::presence::PresenceState presenceState(const std::string &user_id);
std::string statusMessage(const std::string &user_id);
// user cache stores user keys
UserCache getUserCache(const std::string &user_id);
int setUserCache(const std::string &user_id, const UserCache &body);
int deleteUserCache(const std::string &user_id);
// device verified cache
DeviceVerifiedCache getVerifiedCache(const std::string &user_id);
int setVerifiedCache(const std::string &user_id, const DeviceVerifiedCache &body);
static void removeDisplayName(const QString &room_id, const QString &user_id);
static void removeAvatarUrl(const QString &room_id, const QString &user_id);
@ -510,6 +519,16 @@ private:
return lmdb::dbi::open(txn, "presence", MDB_CREATE);
}
lmdb::dbi getUserCacheDb(lmdb::txn &txn)
{
return lmdb::dbi::open(txn, std::string("user_cache").c_str(), MDB_CREATE);
}
lmdb::dbi getDeviceVerifiedDb(lmdb::txn &txn)
{
return lmdb::dbi::open(txn, std::string("verified").c_str(), MDB_CREATE);
}
//! Retrieves or creates the database that stores the open OLM sessions between our device
//! and the given curve25519 key which represents another device.
//!

104
src/ui/UserProfile.cpp
View file

@ -1,9 +1,12 @@
#include "UserProfile.h"
#include "Cache.h"
#include "ChatPage.h"
#include "Logging.h"
#include "Utils.h"
#include "mtx/responses/crypto.hpp"
#include <iostream> // only for debugging
UserProfile::UserProfile(QObject *parent)
: QObject(parent)
{}
@ -31,55 +34,66 @@ UserProfile::setUserId(const QString &user_id)
}
}
void
UserProfile::callback_fn(const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err,
std::string user_id)
{
if (err) {
nhlog::net()->warn("failed to query device keys: {},{}",
err->matrix_error.errcode,
static_cast<int>(err->status_code));
return;
}
if (res.device_keys.empty() || (res.device_keys.find(user_id) == res.device_keys.end())) {
nhlog::net()->warn("no devices retrieved {}", user_id);
return;
}
auto devices = res.device_keys.at(user_id);
QVector<DeviceInfo> deviceInfo;
for (const auto &d : devices) {
auto device = d.second;
// TODO: Verify signatures and ignore those that don't pass.
DeviceInfo newdevice(
QString::fromStdString(d.first),
QString::fromStdString(device.unsigned_info.device_display_name));
QString::fromStdString(device.unsigned_info.device_display_name);
deviceInfo.append(std::move(newdevice));
}
std::sort(
deviceInfo.begin(), deviceInfo.end(), [](const DeviceInfo &a, const DeviceInfo &b) {
return a.device_id > b.device_id;
});
this->deviceList = std::move(deviceInfo);
emit UserProfile::deviceListUpdated();
}
void
UserProfile::fetchDeviceList(const QString &userID)
{
auto localUser = utils::localUser();
mtx::requests::QueryKeys req;
mtx::responses::QueryKeys res;
req.device_keys[userID.toStdString()] = {};
auto localUser = utils::localUser();
auto user_cache = cache::getUserCache(userID.toStdString());
http::client()->query_keys(
req,
[user_id = userID.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,
static_cast<int>(err->status_code));
return;
}
if (res.device_keys.empty() ||
(res.device_keys.find(user_id) == res.device_keys.end())) {
nhlog::net()->warn("no devices retrieved {}", user_id);
return;
}
auto devices = res.device_keys.at(user_id);
QVector<DeviceInfo> deviceInfo;
for (const auto &d : devices) {
auto device = d.second;
// TODO: Verify signatures and ignore those that don't pass.
DeviceInfo newdevice(
QString::fromStdString(d.first),
QString::fromStdString(device.unsigned_info.device_display_name));
QString::fromStdString(device.unsigned_info.device_display_name);
deviceInfo.append(std::move(newdevice));
}
std::sort(deviceInfo.begin(),
deviceInfo.end(),
[](const DeviceInfo &a, const DeviceInfo &b) {
return a.device_id > b.device_id;
});
this->deviceList = std::move(deviceInfo);
emit UserProfile::deviceListUpdated();
});
if (user_cache.user_id == userID.toStdString()) {
mtx::http::ClientError error;
this->callback_fn(user_cache.keys, std::move(error), 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

4
src/ui/UserProfile.h
View file

@ -47,4 +47,8 @@ signals:
private:
QVector<DeviceInfo> deviceList;
QString userId;
void callback_fn(const mtx::responses::QueryKeys &res,
mtx::http::RequestErr err,
std::string user_id);
};