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Reorganise src/RegisterPage.cpp

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This commit is contained in:
Callum Brown 2021-07-21 11:55:41 +01:00
parent 1dc20f9164
commit 041d8fb56c
2 changed files with 286 additions and 303 deletions
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462
src/RegisterPage.cpp
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@ -12,6 +12,7 @@
#include <mtx/responses/register.hpp> #include <mtx/responses/register.hpp>
#include <mtx/responses/well-known.hpp> #include <mtx/responses/well-known.hpp>
#include <mtxclient/http/client.hpp>
#include "Config.h" #include "Config.h"
#include "Logging.h" #include "Logging.h"
@ -93,6 +94,7 @@ RegisterPage::RegisterPage(QWidget *parent)
server_input_ = new TextField(); server_input_ = new TextField();
server_input_->setLabel(tr("Homeserver")); server_input_->setLabel(tr("Homeserver"));
server_input_->setRegexp(QRegularExpression("[a-z0-9.-]+"));
server_input_->setToolTip( server_input_->setToolTip(
tr("A server that allows registration. Since matrix is decentralized, you need to first " tr("A server that allows registration. Since matrix is decentralized, you need to first "
"find a server you can register on or host your own.")); "find a server you can register on or host your own."));
@ -145,178 +147,39 @@ RegisterPage::RegisterPage(QWidget *parent)
top_layout_->addLayout(button_layout_); top_layout_->addLayout(button_layout_);
top_layout_->addWidget(error_label_, 0, Qt::AlignHCenter); top_layout_->addWidget(error_label_, 0, Qt::AlignHCenter);
top_layout_->addStretch(1); top_layout_->addStretch(1);
setLayout(top_layout_);
connect(
this,
&RegisterPage::versionErrorCb,
this,
[this](const QString &msg) {
error_server_label_->show();
server_input_->setValid(false);
showError(error_server_label_, msg);
},
Qt::QueuedConnection);
connect(back_button_, SIGNAL(clicked()), this, SLOT(onBackButtonClicked())); connect(back_button_, SIGNAL(clicked()), this, SLOT(onBackButtonClicked()));
connect(register_button_, SIGNAL(clicked()), this, SLOT(onRegisterButtonClicked())); connect(register_button_, SIGNAL(clicked()), this, SLOT(onRegisterButtonClicked()));
connect(username_input_, SIGNAL(returnPressed()), register_button_, SLOT(click())); connect(username_input_, SIGNAL(returnPressed()), register_button_, SLOT(click()));
connect(username_input_, &TextField::editingFinished, this, &RegisterPage::checkFields); connect(username_input_, &TextField::editingFinished, this, &RegisterPage::checkUsername);
connect(password_input_, SIGNAL(returnPressed()), register_button_, SLOT(click())); connect(password_input_, SIGNAL(returnPressed()), register_button_, SLOT(click()));
connect(password_input_, &TextField::editingFinished, this, &RegisterPage::checkFields); connect(password_input_, &TextField::editingFinished, this, &RegisterPage::checkPassword);
connect(password_confirmation_, SIGNAL(returnPressed()), register_button_, SLOT(click())); connect(password_confirmation_, SIGNAL(returnPressed()), register_button_, SLOT(click()));
connect( connect(password_confirmation_,
password_confirmation_, &TextField::editingFinished, this, &RegisterPage::checkFields); &TextField::editingFinished,
this,
&RegisterPage::checkPasswordConfirmation);
connect(server_input_, SIGNAL(returnPressed()), register_button_, SLOT(click())); connect(server_input_, SIGNAL(returnPressed()), register_button_, SLOT(click()));
connect(server_input_, &TextField::editingFinished, this, &RegisterPage::checkFields); connect(server_input_, &TextField::editingFinished, this, &RegisterPage::checkServer);
connect(this, &RegisterPage::registerErrorCb, this, [this](const QString &msg) {
showError(msg);
});
connect(
this,
&RegisterPage::registrationFlow,
this,
[this](const std::string &user,
const std::string &pass,
const mtx::user_interactive::Unauthorized &unauthorized) {
auto completed_stages = unauthorized.completed;
auto flows = unauthorized.flows;
auto session = unauthorized.session.empty() ? http::client()->generate_txn_id()
: unauthorized.session;
nhlog::ui()->info("Completed stages: {}", completed_stages.size());
if (!completed_stages.empty())
flows.erase(std::remove_if(
flows.begin(),
flows.end(),
[completed_stages](auto flow) {
if (completed_stages.size() > flow.stages.size())
return true;
for (size_t f = 0; f < completed_stages.size(); f++)
if (completed_stages[f] != flow.stages[f])
return true;
return false;
}),
flows.end());
if (flows.empty()) {
nhlog::net()->error("No available registration flows!");
emit registerErrorCb(tr("No supported registration flows!"));
return;
}
auto current_stage = flows.front().stages.at(completed_stages.size());
if (current_stage == mtx::user_interactive::auth_types::recaptcha) {
auto captchaDialog =
new dialogs::ReCaptcha(QString::fromStdString(session), this);
connect(captchaDialog,
&dialogs::ReCaptcha::confirmation,
this,
[this, user, pass, session, captchaDialog]() {
captchaDialog->close();
captchaDialog->deleteLater();
emit registerAuth(
user,
pass,
mtx::user_interactive::Auth{
session, mtx::user_interactive::auth::Fallback{}});
});
connect(captchaDialog,
&dialogs::ReCaptcha::cancel,
this,
&RegisterPage::errorOccurred);
QTimer::singleShot(
1000, this, [captchaDialog]() { captchaDialog->show(); });
} else if (current_stage == mtx::user_interactive::auth_types::dummy) {
emit registerAuth(user,
pass,
mtx::user_interactive::Auth{
session, mtx::user_interactive::auth::Dummy{}});
} else {
// use fallback
auto dialog =
new dialogs::FallbackAuth(QString::fromStdString(current_stage),
QString::fromStdString(session),
this);
connect(dialog,
&dialogs::FallbackAuth::confirmation,
this,
[this, user, pass, session, dialog]() {
dialog->close();
dialog->deleteLater();
emit registerAuth(
user,
pass,
mtx::user_interactive::Auth{
session, mtx::user_interactive::auth::Fallback{}});
});
connect(dialog,
&dialogs::FallbackAuth::cancel,
this,
&RegisterPage::errorOccurred);
dialog->show();
}
});
connect( connect(
this, this,
&RegisterPage::registerAuth, &RegisterPage::serverError,
this, this,
[this](const std::string &user, [this](const QString &msg) {
const std::string &pass, server_input_->setValid(false);
const mtx::user_interactive::Auth &auth) { showError(error_server_label_, msg);
http::client()->registration( },
user, Qt::QueuedConnection);
pass,
auth,
[this, user, pass](const mtx::responses::Register &res,
mtx::http::RequestErr err) {
if (!err) {
http::client()->set_user(res.user_id);
http::client()->set_access_token(res.access_token);
http::client()->set_device_id(res.device_id);
emit registerOk(); connect(this, &RegisterPage::wellKnownLookup, this, &RegisterPage::doWellKnownLookup);
return; connect(this, &RegisterPage::versionsCheck, this, &RegisterPage::doVersionsCheck);
} connect(this, &RegisterPage::registration, this, &RegisterPage::doRegistration);
connect(this, &RegisterPage::UIA, this, &RegisterPage::doUIA);
// The server requires registration flows. connect(
if (err->status_code == 401) { this, &RegisterPage::registrationWithAuth, this, &RegisterPage::doRegistrationWithAuth);
if (err->matrix_error.unauthorized.flows.empty()) {
nhlog::net()->warn(
"failed to retrieve registration flows: ({}) "
"{}",
static_cast<int>(err->status_code),
err->matrix_error.error);
emit registerErrorCb(
QString::fromStdString(err->matrix_error.error));
return;
}
emit registrationFlow(
user, pass, err->matrix_error.unauthorized);
return;
}
nhlog::net()->warn("failed to register: status_code ({}), "
"matrix_error: ({}), parser error ({})",
static_cast<int>(err->status_code),
err->matrix_error.error,
err->parse_error);
emit registerErrorCb(QString::fromStdString(err->matrix_error.error));
});
});
setLayout(top_layout_);
} }
void void
@ -345,107 +208,116 @@ RegisterPage::showError(QLabel *label, const QString &msg)
int height = rect.height(); int height = rect.height();
label->setFixedHeight((int)qCeil(width / 200.0) * height); label->setFixedHeight((int)qCeil(width / 200.0) * height);
label->setText(msg); label->setText(msg);
label->show();
} }
bool bool
RegisterPage::checkOneField(QLabel *label, const TextField *t_field, const QString &msg) RegisterPage::checkOneField(QLabel *label, const TextField *t_field, const QString &msg)
{ {
if (t_field->isValid()) { if (t_field->isValid()) {
label->setText("");
label->hide(); label->hide();
return true; return true;
} else { } else {
label->show();
showError(label, msg); showError(label, msg);
return false; return false;
} }
} }
bool bool
RegisterPage::checkFields() RegisterPage::checkUsername()
{ {
error_label_->setText(""); return checkOneField(error_username_label_,
error_username_label_->setText("");
error_password_label_->setText("");
error_password_confirmation_label_->setText("");
error_server_label_->setText("");
error_username_label_->hide();
error_password_label_->hide();
error_password_confirmation_label_->hide();
error_server_label_->hide();
password_confirmation_->setValid(true);
server_input_->setValid(true);
bool all_fields_good = true;
if (username_input_->isModified() &&
!checkOneField(error_username_label_,
username_input_, username_input_,
tr("The username must not be empty, and must contain only the " tr("The username must not be empty, and must contain only the "
"characters a-z, 0-9, ., _, =, -, and /."))) { "characters a-z, 0-9, ., _, =, -, and /."));
all_fields_good = false; }
} else if (password_input_->isModified() &&
!checkOneField(error_password_label_, bool
password_input_, RegisterPage::checkPassword()
tr("Password is not long enough (min 8 chars)"))) { {
all_fields_good = false; return checkOneField(
} else if (password_confirmation_->isModified() && error_password_label_, password_input_, tr("Password is not long enough (min 8 chars)"));
password_input_->text() != password_confirmation_->text()) { }
error_password_confirmation_label_->show();
bool
RegisterPage::checkPasswordConfirmation()
{
if (password_input_->text() == password_confirmation_->text()) {
error_password_confirmation_label_->hide();
password_confirmation_->setValid(true);
return true;
} else {
showError(error_password_confirmation_label_, tr("Passwords don't match")); showError(error_password_confirmation_label_, tr("Passwords don't match"));
password_confirmation_->setValid(false); password_confirmation_->setValid(false);
all_fields_good = false; return false;
} else if (server_input_->isModified() &&
(!server_input_->hasAcceptableInput() || server_input_->text().isEmpty())) {
error_server_label_->show();
showError(error_server_label_, tr("Invalid server name"));
server_input_->setValid(false);
all_fields_good = false;
} }
if (!username_input_->isModified() || !password_input_->isModified() ||
!password_confirmation_->isModified() || !server_input_->isModified()) {
all_fields_good = false;
} }
return all_fields_good;
bool
RegisterPage::checkServer()
{
// This doesn't check that the server is reachable,
// just that the input is not obviously wrong.
return checkOneField(error_server_label_, server_input_, tr("Invalid server name"));
} }
void void
RegisterPage::onRegisterButtonClicked() RegisterPage::onRegisterButtonClicked()
{ {
if (!checkFields()) { if (checkUsername() && checkPassword() && checkPasswordConfirmation() && checkServer()) {
showError(error_label_,
tr("One or more fields have invalid inputs. Please correct those issues "
"and try again."));
return;
} else {
auto username = username_input_->text().toStdString();
auto password = password_input_->text().toStdString();
auto server = server_input_->text().toStdString(); auto server = server_input_->text().toStdString();
http::client()->set_server(server); http::client()->set_server(server);
http::client()->verify_certificates( http::client()->verify_certificates(
!UserSettings::instance()->disableCertificateValidation()); !UserSettings::instance()->disableCertificateValidation());
// This starts a chain of `emit`s which ends up doing the
// registration. Signals are used rather than normal function
// calls so that the dialogs used in UIA work correctly.
//
// The sequence of events looks something like this:
//
// dowellKnownLookup
// v
// doVersionsCheck
// v
// doRegistration
// v
// doUIA <-----------------+
// v | More auth required
// doRegistrationWithAuth -+
// | Success
// v
// registering
emit wellKnownLookup();
emit registering();
}
}
void
RegisterPage::doWellKnownLookup()
{
http::client()->well_known( http::client()->well_known(
[this, username, password](const mtx::responses::WellKnown &res, [this](const mtx::responses::WellKnown &res, mtx::http::RequestErr err) {
mtx::http::RequestErr err) {
if (err) { if (err) {
if (err->status_code == 404) { if (err->status_code == 404) {
nhlog::net()->info("Autodiscovery: No .well-known."); nhlog::net()->info("Autodiscovery: No .well-known.");
checkVersionAndRegister(username, password); // Check that the homeserver can be reached
emit versionsCheck();
return; return;
} }
if (!err->parse_error.empty()) { if (!err->parse_error.empty()) {
emit versionErrorCb(tr( emit serverError(
"Autodiscovery failed. Received malformed response.")); tr("Autodiscovery failed. Received malformed response."));
nhlog::net()->error( nhlog::net()->error(
"Autodiscovery failed. Received malformed response."); "Autodiscovery failed. Received malformed response.");
return; return;
} }
emit versionErrorCb(tr("Autodiscovery failed. Unknown error when " emit serverError(tr("Autodiscovery failed. Unknown error when "
"requesting .well-known.")); "requesting .well-known."));
nhlog::net()->error("Autodiscovery failed. Unknown error when " nhlog::net()->error("Autodiscovery failed. Unknown error when "
"requesting .well-known. {} {}", "requesting .well-known. {} {}",
@ -454,48 +326,76 @@ RegisterPage::onRegisterButtonClicked()
return; return;
} }
nhlog::net()->info("Autodiscovery: Discovered '" + nhlog::net()->info("Autodiscovery: Discovered '" + res.homeserver.base_url + "'");
res.homeserver.base_url + "'");
http::client()->set_server(res.homeserver.base_url); http::client()->set_server(res.homeserver.base_url);
checkVersionAndRegister(username, password); // Check that the homeserver can be reached
emit versionsCheck();
}); });
emit registering();
}
} }
void void
RegisterPage::checkVersionAndRegister(const std::string &username, const std::string &password) RegisterPage::doVersionsCheck()
{ {
// Make a request to /_matrix/client/versions to check the address
// given is a Matrix homeserver.
http::client()->versions( http::client()->versions(
[this, username, password](const mtx::responses::Versions &, mtx::http::RequestErr err) { [this](const mtx::responses::Versions &, mtx::http::RequestErr err) {
if (err) { if (err) {
if (err->status_code == 404) { if (err->status_code == 404) {
emit versionErrorCb(tr("The required endpoints were not found. " emit serverError(
"Possibly not a Matrix server.")); tr("The required endpoints were not found. Possibly "
"not a Matrix server."));
return; return;
} }
if (!err->parse_error.empty()) { if (!err->parse_error.empty()) {
emit versionErrorCb(tr("Received malformed response. Make sure " emit serverError(
"the homeserver domain is valid.")); tr("Received malformed response. Make sure the homeserver "
"domain is valid."));
return; return;
} }
emit versionErrorCb(tr( emit serverError(tr("An unknown error occured. Make sure the "
"An unknown error occured. Make sure the homeserver domain is valid.")); "homeserver domain is valid."));
return; return;
} }
http::client()->registration( // Attempt registration without an `auth` dict
username, emit registration();
password, });
[this, username, password](const mtx::responses::Register &res, }
mtx::http::RequestErr err) {
void
RegisterPage::doRegistration()
{
// These inputs should still be alright, but check just in case
if (checkUsername() && checkPassword() && checkPasswordConfirmation()) {
auto username = username_input_->text().toStdString();
auto password = password_input_->text().toStdString();
http::client()->registration(username, password, registrationCb());
}
}
void
RegisterPage::doRegistrationWithAuth(const mtx::user_interactive::Auth &auth)
{
// These inputs should still be alright, but check just in case
if (checkUsername() && checkPassword() && checkPasswordConfirmation()) {
auto username = username_input_->text().toStdString();
auto password = password_input_->text().toStdString();
http::client()->registration(username, password, auth, registrationCb());
}
}
mtx::http::Callback<mtx::responses::Register>
RegisterPage::registrationCb()
{
// Return a function to be used as the callback when an attempt at
// registration is made.
return [this](const mtx::responses::Register &res, mtx::http::RequestErr err) {
if (!err) { if (!err) {
http::client()->set_user(res.user_id); http::client()->set_user(res.user_id);
http::client()->set_access_token(res.access_token); http::client()->set_access_token(res.access_token);
emit registerOk(); emit registerOk();
return; return;
} }
@ -503,31 +403,101 @@ RegisterPage::checkVersionAndRegister(const std::string &username, const std::st
// The server requires registration flows. // The server requires registration flows.
if (err->status_code == 401) { if (err->status_code == 401) {
if (err->matrix_error.unauthorized.flows.empty()) { if (err->matrix_error.unauthorized.flows.empty()) {
nhlog::net()->warn( nhlog::net()->warn("failed to retrieve registration flows: "
"failed to retrieve registration flows1: ({}) " "status_code({}), matrix_error({}) ",
"{}",
static_cast<int>(err->status_code), static_cast<int>(err->status_code),
err->matrix_error.error); err->matrix_error.error);
emit errorOccurred(); showError(QString::fromStdString(err->matrix_error.error));
emit registerErrorCb(
QString::fromStdString(err->matrix_error.error));
return; return;
} }
emit registrationFlow( // Attempt to complete a UIA stage
username, password, err->matrix_error.unauthorized); emit UIA(err->matrix_error.unauthorized);
return; return;
} }
nhlog::net()->error( nhlog::net()->error("failed to register: status_code ({}), matrix_error({})",
"failed to register: status_code ({}), matrix_error({})",
static_cast<int>(err->status_code), static_cast<int>(err->status_code),
err->matrix_error.error); err->matrix_error.error);
emit registerErrorCb(QString::fromStdString(err->matrix_error.error)); showError(QString::fromStdString(err->matrix_error.error));
emit errorOccurred(); };
}
void
RegisterPage::doUIA(const mtx::user_interactive::Unauthorized &unauthorized)
{
auto completed_stages = unauthorized.completed;
auto flows = unauthorized.flows;
auto session =
unauthorized.session.empty() ? http::client()->generate_txn_id() : unauthorized.session;
nhlog::ui()->info("Completed stages: {}", completed_stages.size());
if (!completed_stages.empty()) {
// Get rid of all flows which don't start with the sequence of
// stages that have already been completed.
flows.erase(
std::remove_if(flows.begin(),
flows.end(),
[completed_stages](auto flow) {
if (completed_stages.size() > flow.stages.size())
return true;
for (size_t f = 0; f < completed_stages.size(); f++)
if (completed_stages[f] != flow.stages[f])
return true;
return false;
}),
flows.end());
}
if (flows.empty()) {
nhlog::ui()->error("No available registration flows!");
showError(tr("No supported registration flows!"));
return;
}
auto current_stage = flows.front().stages.at(completed_stages.size());
if (current_stage == mtx::user_interactive::auth_types::recaptcha) {
auto captchaDialog = new dialogs::ReCaptcha(QString::fromStdString(session), this);
connect(captchaDialog,
&dialogs::ReCaptcha::confirmation,
this,
[this, session, captchaDialog]() {
captchaDialog->close();
captchaDialog->deleteLater();
doRegistrationWithAuth(mtx::user_interactive::Auth{
session, mtx::user_interactive::auth::Fallback{}});
}); });
connect(
captchaDialog, &dialogs::ReCaptcha::cancel, this, &RegisterPage::errorOccurred);
QTimer::singleShot(1000, this, [captchaDialog]() { captchaDialog->show(); });
} else if (current_stage == mtx::user_interactive::auth_types::dummy) {
doRegistrationWithAuth(
mtx::user_interactive::Auth{session, mtx::user_interactive::auth::Dummy{}});
} else {
// use fallback
auto dialog = new dialogs::FallbackAuth(
QString::fromStdString(current_stage), QString::fromStdString(session), this);
connect(
dialog, &dialogs::FallbackAuth::confirmation, this, [this, session, dialog]() {
dialog->close();
dialog->deleteLater();
emit registrationWithAuth(mtx::user_interactive::Auth{
session, mtx::user_interactive::auth::Fallback{}});
}); });
connect(dialog, &dialogs::FallbackAuth::cancel, this, &RegisterPage::errorOccurred);
dialog->show();
}
} }
void void

39
src/RegisterPage.h
View file

@ -10,6 +10,7 @@
#include <memory> #include <memory>
#include <mtx/user_interactive.hpp> #include <mtx/user_interactive.hpp>
#include <mtxclient/http/client.hpp>
class FlatButton; class FlatButton;
class RaisedButton; class RaisedButton;
@ -33,30 +34,40 @@ signals:
void errorOccurred(); void errorOccurred();
//! Used to trigger the corresponding slot outside of the main thread. //! Used to trigger the corresponding slot outside of the main thread.
void versionErrorCb(const QString &err); void serverError(const QString &err);
void wellKnownLookup();
void versionsCheck();
void registration();
void UIA(const mtx::user_interactive::Unauthorized &unauthorized);
void registrationWithAuth(const mtx::user_interactive::Auth &auth);
void registering(); void registering();
void registerOk(); void registerOk();
void registerErrorCb(const QString &msg);
void registrationFlow(const std::string &user,
const std::string &pass,
const mtx::user_interactive::Unauthorized &unauthorized);
void registerAuth(const std::string &user,
const std::string &pass,
const mtx::user_interactive::Auth &auth);
private slots: private slots:
void onBackButtonClicked(); void onBackButtonClicked();
void onRegisterButtonClicked(); void onRegisterButtonClicked();
private:
// function for showing different errors // function for showing different errors
void showError(const QString &msg); void showError(const QString &msg);
private:
bool checkOneField(QLabel *label, const TextField *t_field, const QString &msg);
bool checkFields();
void showError(QLabel *label, const QString &msg); void showError(QLabel *label, const QString &msg);
void checkVersionAndRegister(const std::string &username, const std::string &password);
bool checkOneField(QLabel *label, const TextField *t_field, const QString &msg);
bool checkUsername();
bool checkPassword();
bool checkPasswordConfirmation();
bool checkServer();
void doWellKnownLookup();
void doVersionsCheck();
void doRegistration();
void doUIA(const mtx::user_interactive::Unauthorized &unauthorized);
void doRegistrationWithAuth(const mtx::user_interactive::Auth &auth);
mtx::http::Callback<mtx::responses::Register> registrationCb();
void completeUiaStage(const mtx::user_interactive::Unauthorized &unauthorized);
QVBoxLayout *top_layout_; QVBoxLayout *top_layout_;
QHBoxLayout *back_layout_; QHBoxLayout *back_layout_;
@ -69,6 +80,7 @@ private:
QLabel *error_password_label_; QLabel *error_password_label_;
QLabel *error_password_confirmation_label_; QLabel *error_password_confirmation_label_;
QLabel *error_server_label_; QLabel *error_server_label_;
QLabel *error_registration_token_label_;
FlatButton *back_button_; FlatButton *back_button_;
RaisedButton *register_button_; RaisedButton *register_button_;
@ -81,4 +93,5 @@ private:
TextField *password_input_; TextField *password_input_;
TextField *password_confirmation_; TextField *password_confirmation_;
TextField *server_input_; TextField *server_input_;
TextField *registration_token_input_;
}; };