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nheko/src/LoginPage.cpp

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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QDesktopServices>
#include <QFontMetrics>
#include <QLabel>
#include <QPainter>
#include <QStyleOption>
#include <QtMath>
#include <mtx/identifiers.hpp>
#include <mtx/requests.hpp>
#include <mtx/responses/login.hpp>
#include "Config.h"
#include "Logging.h"
#include "LoginPage.h"
#include "MatrixClient.h"
#include "SSOHandler.h"
#include "ui/FlatButton.h"
#include "ui/LoadingIndicator.h"
#include "ui/OverlayModal.h"
#include "ui/RaisedButton.h"
#include "ui/TextField.h"
Q_DECLARE_METATYPE(LoginPage::LoginMethod)
using namespace mtx::identifiers;
LoginPage::LoginPage(QWidget *parent)
: QWidget(parent)
, inferredServerAddress_()
{
qRegisterMetaType<LoginPage::LoginMethod>("LoginPage::LoginMethod");
top_layout_ = new QVBoxLayout();
top_bar_layout_ = new QHBoxLayout();
top_bar_layout_->setSpacing(0);
top_bar_layout_->setMargin(0);
back_button_ = new FlatButton(this);
back_button_->setMinimumSize(QSize(30, 30));
top_bar_layout_->addWidget(back_button_, 0, Qt::AlignLeft | Qt::AlignVCenter);
top_bar_layout_->addStretch(1);
QIcon icon;
icon.addFile(":/icons/icons/ui/angle-pointing-to-left.png");
back_button_->setIcon(icon);
back_button_->setIconSize(QSize(32, 32));
QIcon logo;
logo.addFile(":/logos/login.png");
logo_ = new QLabel(this);
logo_->setPixmap(logo.pixmap(128));
logo_layout_ = new QHBoxLayout();
logo_layout_->setContentsMargins(0, 0, 0, 20);
logo_layout_->addWidget(logo_, 0, Qt::AlignHCenter);
form_wrapper_ = new QHBoxLayout();
form_widget_ = new QWidget();
form_widget_->setMinimumSize(QSize(350, 200));
form_layout_ = new QVBoxLayout();
form_layout_->setSpacing(20);
form_layout_->setContentsMargins(0, 0, 0, 30);
form_widget_->setLayout(form_layout_);
form_wrapper_->addStretch(1);
form_wrapper_->addWidget(form_widget_);
form_wrapper_->addStretch(1);
matrixid_input_ = new TextField(this);
matrixid_input_->setLabel(tr("Matrix ID"));
matrixid_input_->setRegexp(QRegularExpression("@.+?:.{3,}"));
matrixid_input_->setPlaceholderText(tr("e.g @joe:matrix.org"));
matrixid_input_->setToolTip(
tr("Your login name. A mxid should start with @ followed by the user id. After the user "
"id you need to include your server name after a :.\nYou can also put your homeserver "
"address there, if your server doesn't support .well-known lookup.\nExample: "
"@user:server.my\nIf Nheko fails to discover your homeserver, it will show you a "
"field to enter the server manually."));
spinner_ = new LoadingIndicator(this);
spinner_->setFixedHeight(40);
spinner_->setFixedWidth(40);
spinner_->hide();
errorIcon_ = new QLabel(this);
errorIcon_->setPixmap(QPixmap(":/icons/icons/error.png"));
errorIcon_->hide();
matrixidLayout_ = new QHBoxLayout();
matrixidLayout_->addWidget(matrixid_input_, 0, Qt::AlignVCenter);
QFont font;
error_matrixid_label_ = new QLabel(this);
error_matrixid_label_->setFont(font);
error_matrixid_label_->setWordWrap(true);
password_input_ = new TextField(this);
password_input_->setLabel(tr("Password"));
password_input_->setEchoMode(QLineEdit::Password);
password_input_->setToolTip(tr("Your password."));
deviceName_ = new TextField(this);
deviceName_->setLabel(tr("Device name"));
deviceName_->setToolTip(
tr("A name for this device, which will be shown to others, when verifying your devices. "
"If none is provided a default is used."));
serverInput_ = new TextField(this);
serverInput_->setLabel(tr("Homeserver address"));
serverInput_->setPlaceholderText(tr("server.my:8787"));
serverInput_->setToolTip(tr("The address that can be used to contact you homeservers "
"client API.\nExample: https://server.my:8787"));
serverInput_->hide();
serverLayout_ = new QHBoxLayout();
serverLayout_->addWidget(serverInput_, 0, Qt::AlignVCenter);
form_layout_->addLayout(matrixidLayout_);
form_layout_->addWidget(error_matrixid_label_, 0, Qt::AlignHCenter);
form_layout_->addWidget(password_input_);
form_layout_->addWidget(deviceName_, Qt::AlignHCenter);
form_layout_->addLayout(serverLayout_);
error_matrixid_label_->hide();
button_layout_ = new QHBoxLayout();
button_layout_->setSpacing(0);
button_layout_->setContentsMargins(0, 0, 0, 30);
login_button_ = new RaisedButton(tr("LOGIN"), this);
login_button_->setMinimumSize(350, 65);
login_button_->setFontSize(20);
login_button_->setCornerRadius(3);
button_layout_->addStretch(1);
button_layout_->addWidget(login_button_);
button_layout_->addStretch(1);
error_label_ = new QLabel(this);
error_label_->setFont(font);
error_label_->setWordWrap(true);
top_layout_->addLayout(top_bar_layout_);
top_layout_->addStretch(1);
top_layout_->addLayout(logo_layout_);
top_layout_->addLayout(form_wrapper_);
top_layout_->addStretch(1);
top_layout_->addLayout(button_layout_);
top_layout_->addWidget(error_label_, 0, Qt::AlignHCenter);
top_layout_->addStretch(1);
setLayout(top_layout_);
connect(this, &LoginPage::versionOkCb, this, &LoginPage::versionOk, Qt::QueuedConnection);
connect(
this, &LoginPage::versionErrorCb, this, &LoginPage::versionError, Qt::QueuedConnection);
connect(back_button_, SIGNAL(clicked()), this, SLOT(onBackButtonClicked()));
connect(login_button_, SIGNAL(clicked()), this, SLOT(onLoginButtonClicked()));
connect(matrixid_input_, SIGNAL(returnPressed()), login_button_, SLOT(click()));
connect(password_input_, SIGNAL(returnPressed()), login_button_, SLOT(click()));
connect(deviceName_, SIGNAL(returnPressed()), login_button_, SLOT(click()));
connect(serverInput_, SIGNAL(returnPressed()), login_button_, SLOT(click()));
connect(matrixid_input_, SIGNAL(editingFinished()), this, SLOT(onMatrixIdEntered()));
connect(serverInput_, SIGNAL(editingFinished()), this, SLOT(onServerAddressEntered()));
}
void
LoginPage::showError(const QString &msg)
{
auto rect = QFontMetrics(font()).boundingRect(msg);
int width = rect.width();
int height = rect.height();
error_label_->setFixedHeight((int)qCeil(width / 200.0) * height);
error_label_->setText(msg);
}
void
LoginPage::showError(QLabel *label, const QString &msg)
{
auto rect = QFontMetrics(font()).boundingRect(msg);
int width = rect.width();
int height = rect.height();
label->setFixedHeight((int)qCeil(width / 200.0) * height);
label->setText(msg);
}
void
LoginPage::onMatrixIdEntered()
{
error_label_->setText("");
User user;
if (!matrixid_input_->isValid()) {
error_matrixid_label_->show();
showError(error_matrixid_label_,
tr("You have entered an invalid Matrix ID e.g @joe:matrix.org"));
return;
} else {
error_matrixid_label_->setText("");
error_matrixid_label_->hide();
}
try {
user = parse<User>(matrixid_input_->text().toStdString());
} catch (const std::exception &) {
showError(error_matrixid_label_,
tr("You have entered an invalid Matrix ID e.g @joe:matrix.org"));
return;
}
QString homeServer = QString::fromStdString(user.hostname());
if (homeServer != inferredServerAddress_) {
serverInput_->hide();
serverLayout_->removeWidget(errorIcon_);
errorIcon_->hide();
if (serverInput_->isVisible()) {
matrixidLayout_->removeWidget(spinner_);
serverLayout_->addWidget(spinner_, 0, Qt::AlignVCenter | Qt::AlignRight);
spinner_->start();
} else {
serverLayout_->removeWidget(spinner_);
matrixidLayout_->addWidget(spinner_, 0, Qt::AlignVCenter | Qt::AlignRight);
spinner_->start();
}
inferredServerAddress_ = homeServer;
serverInput_->setText(homeServer);
http::client()->set_server(user.hostname());
http::client()->well_known([this](const mtx::responses::WellKnown &res,
mtx::http::RequestErr err) {
if (err) {
using namespace boost::beast::http;
if (err->status_code == status::not_found) {
nhlog::net()->info("Autodiscovery: No .well-known.");
checkHomeserverVersion();
return;
}
if (!err->parse_error.empty()) {
emit versionErrorCb(
tr("Autodiscovery failed. Received malformed response."));
nhlog::net()->error(
"Autodiscovery failed. Received malformed response.");
return;
}
emit versionErrorCb(tr("Autodiscovery failed. Unknown error when "
"requesting .well-known."));
nhlog::net()->error("Autodiscovery failed. Unknown error when "
"requesting .well-known. {}",
err->error_code.message());
return;
}
nhlog::net()->info("Autodiscovery: Discovered '" + res.homeserver.base_url +
"'");
http::client()->set_server(res.homeserver.base_url);
checkHomeserverVersion();
});
}
}
void
LoginPage::checkHomeserverVersion()
{
http::client()->versions(
[this](const mtx::responses::Versions &, mtx::http::RequestErr err) {
if (err) {
using namespace boost::beast::http;
if (err->status_code == status::not_found) {
emit versionErrorCb(tr("The required endpoints were not found. "
"Possibly not a Matrix server."));
return;
}
if (!err->parse_error.empty()) {
emit versionErrorCb(tr("Received malformed response. Make sure "
"the homeserver domain is valid."));
return;
}
emit versionErrorCb(tr(
"An unknown error occured. Make sure the homeserver domain is valid."));
return;
}
http::client()->get_login(
[this](mtx::responses::LoginFlows flows, mtx::http::RequestErr err) {
if (err || flows.flows.empty())
emit versionOkCb(LoginMethod::Password);
LoginMethod loginMethod_ = LoginMethod::Password;
for (const auto &flow : flows.flows) {
if (flow.type == mtx::user_interactive::auth_types::sso) {
loginMethod_ = LoginMethod::SSO;
break;
}
}
emit versionOkCb(loginMethod_);
});
});
}
void
LoginPage::onServerAddressEntered()
{
error_label_->setText("");
http::client()->set_server(serverInput_->text().toStdString());
checkHomeserverVersion();
serverLayout_->removeWidget(errorIcon_);
errorIcon_->hide();
serverLayout_->addWidget(spinner_, 0, Qt::AlignVCenter | Qt::AlignRight);
spinner_->start();
}
void
LoginPage::versionError(const QString &error)
{
showError(error_label_, error);
serverInput_->show();
spinner_->stop();
serverLayout_->removeWidget(spinner_);
serverLayout_->addWidget(errorIcon_, 0, Qt::AlignVCenter | Qt::AlignRight);
errorIcon_->show();
matrixidLayout_->removeWidget(spinner_);
}
void
LoginPage::versionOk(LoginMethod loginMethod_)
{
this->loginMethod = loginMethod_;
serverLayout_->removeWidget(spinner_);
matrixidLayout_->removeWidget(spinner_);
spinner_->stop();
if (loginMethod == LoginMethod::SSO) {
password_input_->hide();
login_button_->setText(tr("SSO LOGIN"));
} else {
password_input_->show();
login_button_->setText(tr("LOGIN"));
}
if (serverInput_->isVisible())
serverInput_->hide();
}
void
LoginPage::onLoginButtonClicked()
{
error_label_->setText("");
User user;
if (!matrixid_input_->isValid()) {
error_matrixid_label_->show();
showError(error_matrixid_label_,
tr("You have entered an invalid Matrix ID e.g @joe:matrix.org"));
return;
} else {
error_matrixid_label_->setText("");
error_matrixid_label_->hide();
}
try {
user = parse<User>(matrixid_input_->text().toStdString());
} catch (const std::exception &) {
showError(error_matrixid_label_,
tr("You have entered an invalid Matrix ID e.g @joe:matrix.org"));
return;
}
if (loginMethod == LoginMethod::Password) {
if (password_input_->text().isEmpty())
return showError(error_label_, tr("Empty password"));
http::client()->login(
user.localpart(),
password_input_->text().toStdString(),
deviceName_->text().trimmed().isEmpty() ? initialDeviceName()
: deviceName_->text().toStdString(),
[this](const mtx::responses::Login &res, mtx::http::RequestErr err) {
if (err) {
showError(error_label_,
QString::fromStdString(err->matrix_error.error));
emit errorOccurred();
return;
}
if (res.well_known) {
http::client()->set_server(res.well_known->homeserver.base_url);
nhlog::net()->info("Login requested to user server: " +
res.well_known->homeserver.base_url);
}
emit loginOk(res);
});
} else {
auto sso = new SSOHandler();
connect(sso, &SSOHandler::ssoSuccess, this, [this, sso](std::string token) {
mtx::requests::Login req{};
req.token = token;
req.type = mtx::user_interactive::auth_types::token;
req.device_id = deviceName_->text().trimmed().isEmpty()
? initialDeviceName()
: deviceName_->text().toStdString();
http::client()->login(
req, [this](const mtx::responses::Login &res, mtx::http::RequestErr err) {
if (err) {
showError(
error_label_,
QString::fromStdString(err->matrix_error.error));
emit errorOccurred();
return;
}
if (res.well_known) {
http::client()->set_server(
res.well_known->homeserver.base_url);
nhlog::net()->info("Login requested to user server: " +
res.well_known->homeserver.base_url);
}
emit loginOk(res);
});
sso->deleteLater();
});
connect(sso, &SSOHandler::ssoFailed, this, [this, sso]() {
showError(error_label_, tr("SSO login failed"));
emit errorOccurred();
sso->deleteLater();
});
QDesktopServices::openUrl(
QString::fromStdString(http::client()->login_sso_redirect(sso->url())));
}
emit loggingIn();
}
void
LoginPage::reset()
{
matrixid_input_->clear();
password_input_->clear();
password_input_->show();
serverInput_->clear();
spinner_->stop();
errorIcon_->hide();
serverLayout_->removeWidget(spinner_);
serverLayout_->removeWidget(errorIcon_);
matrixidLayout_->removeWidget(spinner_);
inferredServerAddress_.clear();
}
void
LoginPage::onBackButtonClicked()
{
emit backButtonClicked();
}
void
LoginPage::paintEvent(QPaintEvent *)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}
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