tdesktop/Telegram/SourceFiles/boxes/passcodebox.cpp

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop 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.

It 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.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "lang.h"

#include "passcodebox.h"
#include "confirmbox.h"
#include "window.h"

#include "localstorage.h"

PasscodeBox::PasscodeBox(bool turningOff) : _replacedBy(0), _turningOff(turningOff), _cloudPwd(false),
_setRequest(0), _hasRecovery(false), _skipEmailWarning(false), _aboutHeight(0),
_about(st::boxWideWidth - st::addContactPadding.left() - st::addContactPadding.right()),
_saveButton(this, lang(_turningOff ? lng_passcode_remove_button : lng_settings_save), st::btnSelectDone),
_cancelButton(this, lang(lng_cancel), st::btnSelectCancel),
_oldPasscode(this, st::inpAddContact, lang(lng_passcode_enter_old)),
_newPasscode(this, st::inpAddContact, lang(cHasPasscode() ? lng_passcode_enter_new : lng_passcode_enter_first)),
_reenterPasscode(this, st::inpAddContact, lang(lng_passcode_confirm_new)),
_passwordHint(this, st::inpAddContact, lang(lng_cloud_password_hint)),
_recoverEmail(this, st::inpAddContact, lang(lng_cloud_password_email)),
_recover(this, lang(lng_signin_recover)) {
	init();
	prepare();
}

PasscodeBox::PasscodeBox(const QByteArray &newSalt, const QByteArray &curSalt, bool hasRecovery, const QString &hint, bool turningOff) : _replacedBy(0), _turningOff(turningOff), _cloudPwd(true),
_setRequest(0), _newSalt(newSalt), _curSalt(curSalt), _hasRecovery(hasRecovery), _skipEmailWarning(false), _hint(hint), _aboutHeight(0),
_about(st::boxWideWidth - st::addContactPadding.left() - st::addContactPadding.right()),
_saveButton(this, lang(_turningOff ? lng_passcode_remove_button : lng_settings_save), st::btnSelectDone),
_cancelButton(this, lang(lng_cancel), st::btnSelectCancel),
_oldPasscode(this, st::inpAddContact, lang(lng_cloud_password_enter_old)),
_newPasscode(this, st::inpAddContact, lang(curSalt.isEmpty() ? lng_cloud_password_enter_first : lng_cloud_password_enter_new)),
_reenterPasscode(this, st::inpAddContact, lang(lng_cloud_password_confirm_new)),
_passwordHint(this, st::inpAddContact, lang(lng_cloud_password_hint)),
_recoverEmail(this, st::inpAddContact, lang(lng_cloud_password_email)),
_recover(this, lang(lng_signin_recover)) {
	init();
	prepare();
}

void PasscodeBox::init() {
	_about.setRichText(st::usernameFont, lang(_cloudPwd ? lng_cloud_password_about : lng_passcode_about));
	if (!_hint.isEmpty()) _hintText.setText(st::usernameFont, lng_signin_hint(lt_password_hint, _hint));
	_aboutHeight = _about.countHeight(st::boxWideWidth - st::addContactPadding.left() - st::addContactPadding.right());
	_oldPasscode.setEchoMode(QLineEdit::Password);
	_newPasscode.setEchoMode(QLineEdit::Password);
	_reenterPasscode.setEchoMode(QLineEdit::Password);
	if (_turningOff) {
		_oldPasscode.show();
		_boxTitle = lang(_cloudPwd ? lng_cloud_password_remove : lng_passcode_remove);
		setMaxHeight(st::old_boxTitleHeight + st::addContactPadding.top() + 1 * _oldPasscode.height() + st::usernameSkip + _aboutHeight + (_hasRecovery ? ((st::usernameSkip + _recover.height()) / 2) : 0) + st::addContactPadding.bottom() + _saveButton.height());
	} else {
		bool has = _cloudPwd ? (!_curSalt.isEmpty()) : cHasPasscode();
		if (has) {
			_oldPasscode.show();
			_boxTitle = lang(_cloudPwd ? lng_cloud_password_change : lng_passcode_change);
			setMaxHeight(st::old_boxTitleHeight + st::addContactPadding.top() + 3 * _oldPasscode.height() + st::usernameSkip * 2 + 1 * st::addContactDelta + (_cloudPwd ? _passwordHint.height() + st::addContactDelta : 0) + _aboutHeight + (_hasRecovery ? ((st::usernameSkip + _recover.height()) / 2) : 0) + st::addContactPadding.bottom() + _saveButton.height());
		} else {
			_oldPasscode.hide();
			_boxTitle = lang(_cloudPwd ? lng_cloud_password_create : lng_passcode_create);
			setMaxHeight(st::old_boxTitleHeight + st::addContactPadding.top() + 2 * _oldPasscode.height() + st::usernameSkip + 1 * st::addContactDelta + (_cloudPwd ? _passwordHint.height() + st::addContactDelta : 0) + _aboutHeight + (_cloudPwd ? st::addContactDelta + _recoverEmail.height() + st::usernameSkip : st::addContactPadding.bottom()) + _saveButton.height());
		}
	}

	connect(&_saveButton, SIGNAL(clicked()), this, SLOT(onSave()));
	connect(&_cancelButton, SIGNAL(clicked()), this, SLOT(onClose()));

	connect(&_oldPasscode, SIGNAL(changed()), this, SLOT(onOldChanged()));
	connect(&_newPasscode, SIGNAL(changed()), this, SLOT(onNewChanged()));
	connect(&_reenterPasscode, SIGNAL(changed()), this, SLOT(onNewChanged()));
	connect(&_recoverEmail, SIGNAL(changed()), this, SLOT(onEmailChanged()));

	connect(&_recover, SIGNAL(clicked()), this, SLOT(onRecoverByEmail()));
}

void PasscodeBox::hideAll() {
	_oldPasscode.hide();
	_newPasscode.hide();
	_reenterPasscode.hide();
	_passwordHint.hide();
	_recoverEmail.hide();
	_recover.hide();
	_saveButton.hide();
	_cancelButton.hide();
}

void PasscodeBox::showAll() {
	bool has = _cloudPwd ? (!_curSalt.isEmpty()) : cHasPasscode();
	if (_turningOff) {
		_oldPasscode.show();
		if (_cloudPwd && _hasRecovery) {
			_recover.show();
		} else {
			_recover.hide();
		}
		_passwordHint.hide();
		_newPasscode.hide();
		_reenterPasscode.hide();
	} else {
		if (has) {
			_oldPasscode.show();
			if (_cloudPwd && _hasRecovery) {
				_recover.show();
			} else {
				_recover.hide();
			}
		} else {
			_oldPasscode.hide();
			_recover.hide();
		}
		_newPasscode.show();
		_reenterPasscode.show();
		if (_cloudPwd) {
			_passwordHint.show();
		} else {
			_passwordHint.hide();
		}
		if (_cloudPwd && _curSalt.isEmpty()) {
			_recoverEmail.show();
		} else {
			_recoverEmail.hide();
		}
	}
	_saveButton.show();
	_cancelButton.show();
}

void PasscodeBox::keyPressEvent(QKeyEvent *e) {
	bool has = _cloudPwd ? (!_curSalt.isEmpty()) : cHasPasscode();
	if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
		if (_oldPasscode.hasFocus()) {
			if (_turningOff) {
				onSave();
			} else {
				_newPasscode.setFocus();
			}
		} else if (_newPasscode.hasFocus()) {
			_reenterPasscode.setFocus();
		} else if (_reenterPasscode.hasFocus()) {
			if (has && _oldPasscode.text().isEmpty()) {
				_oldPasscode.setFocus();
				_oldPasscode.notaBene();
			} else if (_newPasscode.text().isEmpty()) {
				_newPasscode.setFocus();
				_newPasscode.notaBene();
			} else if (_reenterPasscode.text().isEmpty()) {
				_reenterPasscode.notaBene();
			} else if (!_passwordHint.isHidden()) {
				_passwordHint.setFocus();
			} else {
				onSave();
			}
		} else if (_passwordHint.hasFocus()) {
			if (_recoverEmail.isHidden()) {
				onSave();
			} else {
				_recoverEmail.setFocus();
			}
		} else if (_recoverEmail.hasFocus()) {
			onSave();
		}
	} else {
		AbstractBox::keyPressEvent(e);
	}
}

void PasscodeBox::paintEvent(QPaintEvent *e) {
	Painter p(this);
	if (paint(p)) return;

	paintTitle(p, _boxTitle, true);

	// paint shadow
	p.fillRect(0, height() - st::btnSelectCancel.height - st::scrollDef.bottomsh, width(), st::scrollDef.bottomsh, st::scrollDef.shColor->b);

	int32 w = width() - st::addContactPadding.left() - st::addContactPadding.right();
	int32 abouty = (_passwordHint.isHidden() ? (_reenterPasscode.isHidden() ? _oldPasscode : _reenterPasscode).y() + st::usernameSkip : _passwordHint.y() + st::addContactDelta) + _oldPasscode.height();
	p.setPen(st::usernameColor->p);
	_about.draw(p, st::addContactPadding.left(), abouty, w);

	if (!_hint.isEmpty() && _oldError.isEmpty()) {
		p.setPen(st::black->p);
		_hintText.drawElided(p, st::addContactPadding.left(), _oldPasscode.y() + _oldPasscode.height() + ((st::usernameSkip - st::usernameFont->height) / 2), w, 1, style::al_top);
	}

	if (!_oldError.isEmpty()) {
		p.setPen(st::setErrColor->p);
		p.drawText(QRect(0, _oldPasscode.y() + _oldPasscode.height(), width(), st::usernameSkip), _oldError, style::al_center);
	}

	if (!_newError.isEmpty()) {
		p.setPen(st::setErrColor->p);
		p.drawText(QRect(0, _reenterPasscode.y() + _reenterPasscode.height(), width(), st::usernameSkip), _newError, style::al_center);
	}

	if (!_emailError.isEmpty()) {
		p.setPen(st::setErrColor->p);
		p.drawText(QRect(0, _recoverEmail.y() + _recoverEmail.height(), width(), st::usernameSkip), _emailError, style::al_center);
	}

	// paint button sep
	p.fillRect(st::btnSelectCancel.width, size().height() - st::btnSelectCancel.height, st::lineWidth, st::btnSelectCancel.height, st::btnSelectSep->b);
}

void PasscodeBox::resizeEvent(QResizeEvent *e) {
	bool has = _cloudPwd ? (!_curSalt.isEmpty()) : cHasPasscode();
	_oldPasscode.setGeometry(st::addContactPadding.left(), st::old_boxTitleHeight + st::addContactPadding.top(), width() - st::addContactPadding.left() - st::addContactPadding.right(), _oldPasscode.height());
	_newPasscode.setGeometry(st::addContactPadding.left(), _oldPasscode.y() + ((_turningOff || has) ? (_oldPasscode.height() + st::usernameSkip) : 0), _oldPasscode.width(), _oldPasscode.height());
	_reenterPasscode.setGeometry(st::addContactPadding.left(), _newPasscode.y() + _newPasscode.height() + st::addContactDelta, _newPasscode.width(), _newPasscode.height());
	_passwordHint.setGeometry(st::addContactPadding.left(), _reenterPasscode.y() + _reenterPasscode.height() + st::usernameSkip, _reenterPasscode.width(), _reenterPasscode.height());

	_recoverEmail.setGeometry(st::addContactPadding.left(), _passwordHint.y() + _passwordHint.height() + st::addContactDelta + _aboutHeight + st::addContactDelta, _passwordHint.width(), _passwordHint.height());

	if (!_recover.isHidden()) {
		if (_turningOff) {
			_recover.move((width() - _recover.width()) / 2, _oldPasscode.y() + _oldPasscode.height() + st::usernameSkip + _aboutHeight + ((st::usernameSkip - _recover.height()) / 2));
		} else {
			_recover.move((width() - _recover.width()) / 2, _passwordHint.y() + _passwordHint.height() + st::addContactDelta + _aboutHeight + ((st::usernameSkip - _recover.height()) / 2));
		}
	}

	int32 buttonTop = height() - _cancelButton.height();
	_cancelButton.move(0, buttonTop);
	_saveButton.move(width() - _saveButton.width(), buttonTop);
}

void PasscodeBox::showDone() {
	if (_skipEmailWarning && !_recoverEmail.isHidden()) {
		_recoverEmail.setFocus();
	} else if (_oldPasscode.isHidden()) {
		_newPasscode.setFocus();
	} else {
		_oldPasscode.setFocus();
	}
	_skipEmailWarning = false;
}

void PasscodeBox::setPasswordDone(const MTPBool &result) {
	_setRequest = 0;
	emit reloadPassword();
	ConfirmBox *box = new InformBox(lang(_reenterPasscode.isHidden() ? lng_cloud_password_removed : (_oldPasscode.isHidden() ? lng_cloud_password_was_set : lng_cloud_password_updated)));
	App::wnd()->showLayer(box);
}

bool PasscodeBox::setPasswordFail(const RPCError &error) {
	if (isHidden() && _replacedBy && !_replacedBy->isHidden()) _replacedBy->onClose();
	_setRequest = 0;
	QString err = error.type();
	if (err == "PASSWORD_HASH_INVALID") {
		if (_oldPasscode.isHidden()) {
			emit reloadPassword();
			onClose();
		} else {
			onBadOldPasscode();
		}
	} else if (err == "NEW_PASSWORD_BAD") {
		_newPasscode.setFocus();
		_newPasscode.notaBene();
		_newError = lang(lng_cloud_password_bad);
		update();
	} else if (err == "NEW_SALT_INVALID") {
		emit reloadPassword();
		onClose();
	} else if (err == "EMAIL_INVALID") {
		_emailError = lang(lng_cloud_password_bad_email);
		_recoverEmail.setFocus();
		_recoverEmail.notaBene();
		update();
	} else if (err == "EMAIL_UNCONFIRMED") {
		App::wnd()->showLayer(new InformBox(lang(lng_cloud_password_almost)));
		emit reloadPassword();
	} else if (error.type().startsWith(qsl("FLOOD_WAIT_"))) {
		if (_oldPasscode.isHidden()) return false;

		_oldPasscode.selectAll();
		_oldPasscode.setFocus();
		_oldPasscode.notaBene();
		_oldError = lang(lng_flood_error);
	}
	return true;
}

void PasscodeBox::onSave(bool force) {
	if (_setRequest) return;

	QString old = _oldPasscode.text(), pwd = _newPasscode.text(), conf = _reenterPasscode.text();
	bool has = _cloudPwd ? (!_curSalt.isEmpty()) : cHasPasscode();
	if (!_cloudPwd && (_turningOff || has)) {
		if (!passcodeCanTry()) {
			_oldError = lang(lng_flood_error);
			_oldPasscode.setFocus();
			_oldPasscode.notaBene();
			update();
			return;
		}

		if (Local::checkPasscode(old.toUtf8())) {
			cSetPasscodeBadTries(0);
			if (_turningOff) pwd = conf = QString();
		} else {
			cSetPasscodeBadTries(cPasscodeBadTries() + 1);
			cSetPasscodeLastTry(getms(true));
			onBadOldPasscode();
			return;
		}
	}
	if (!_turningOff && pwd.isEmpty()) {
		_newPasscode.setFocus();
		_newPasscode.notaBene();
		if (isHidden() && _replacedBy && !_replacedBy->isHidden()) _replacedBy->onClose();
		return;
	}
	if (pwd != conf) {
		_reenterPasscode.setFocus();
		_reenterPasscode.notaBene();
		if (!conf.isEmpty()) {
			_newError = lang(_cloudPwd ? lng_cloud_password_differ : lng_passcode_differ);
			update();
		}
		if (isHidden() && _replacedBy && !_replacedBy->isHidden()) _replacedBy->onClose();
	} else if (!_turningOff && has && old == pwd) {
		_newPasscode.setFocus();
		_newPasscode.notaBene();
		_newError = lang(_cloudPwd ? lng_cloud_password_is_same : lng_passcode_is_same);
		update();
		if (isHidden() && _replacedBy && !_replacedBy->isHidden()) _replacedBy->onClose();
	} else if (_cloudPwd) {
		QString hint = _passwordHint.text(), email = _recoverEmail.text().trimmed();
		if (_cloudPwd && pwd == hint && !_passwordHint.isHidden() && !_newPasscode.isHidden()) {
			_newPasscode.setFocus();
			_newPasscode.notaBene();
			_newError = lang(lng_cloud_password_bad);
			update();
			if (isHidden() && _replacedBy && !_replacedBy->isHidden()) _replacedBy->onClose();
			return;
		}
		if (!_recoverEmail.isHidden() && email.isEmpty() && !force) {
			_skipEmailWarning = true;
			_replacedBy = new ConfirmBox(lang(lng_cloud_password_about_recover), lang(lng_cloud_password_skip_email), st::attentionBoxButton);
			connect(_replacedBy, SIGNAL(confirmed()), this, SLOT(onForceNoMail()));
			connect(_replacedBy, SIGNAL(destroyed(QObject*)), this, SLOT(onBoxDestroyed(QObject*)));
			App::wnd()->replaceLayer(_replacedBy);
		} else {
			QByteArray newPasswordData = pwd.isEmpty() ? QByteArray() : (_newSalt + pwd.toUtf8() + _newSalt);
			QByteArray newPasswordHash = pwd.isEmpty() ? QByteArray() : QByteArray(32, Qt::Uninitialized);
			if (pwd.isEmpty()) {
				hint = QString();
				email = QString();
			} else {
				hashSha256(newPasswordData.constData(), newPasswordData.size(), newPasswordHash.data());
			}
			QByteArray oldPasswordData = _oldPasscode.isHidden() ? QByteArray() : (_curSalt + old.toUtf8() + _curSalt);
			QByteArray oldPasswordHash = _oldPasscode.isHidden() ? QByteArray() : QByteArray(32, Qt::Uninitialized);
			if (!_oldPasscode.isHidden()) {
				hashSha256(oldPasswordData.constData(), oldPasswordData.size(), oldPasswordHash.data());
			}
			int32 flags = MTPDaccount_passwordInputSettings::flag_new_salt | MTPDaccount_passwordInputSettings::flag_new_password_hash | MTPDaccount_passwordInputSettings::flag_hint;
			if (_oldPasscode.isHidden() || _newPasscode.isHidden()) {
				flags |= MTPDaccount_passwordInputSettings::flag_email;
			}
			MTPaccount_PasswordInputSettings settings(MTP_account_passwordInputSettings(MTP_int(flags), MTP_string(_newSalt), MTP_string(newPasswordHash), MTP_string(hint), MTP_string(email)));
			_setRequest = MTP::send(MTPaccount_UpdatePasswordSettings(MTP_string(oldPasswordHash), settings), rpcDone(&PasscodeBox::setPasswordDone), rpcFail(&PasscodeBox::setPasswordFail));
		}
	} else {
		cSetPasscodeBadTries(0);
		Local::setPasscode(pwd.toUtf8());
		App::wnd()->checkAutoLock();
		App::wnd()->getTitle()->showUpdateBtn();
		emit closed();
	}
}

void PasscodeBox::onBadOldPasscode() {
	_oldPasscode.selectAll();
	_oldPasscode.setFocus();
	_oldPasscode.notaBene();
	_oldError = lang(_cloudPwd ? lng_cloud_password_wrong : lng_passcode_wrong);
	update();
}

void PasscodeBox::onOldChanged() {
	if (!_oldError.isEmpty()) {
		_oldError = QString();
		update();
	}
}

void PasscodeBox::onNewChanged() {
	if (!_newError.isEmpty()) {
		_newError = QString();
		update();
	}
}

void PasscodeBox::onEmailChanged() {
	if (!_emailError.isEmpty()) {
		_emailError = QString();
		update();
	}
}

void PasscodeBox::onForceNoMail() {
	onSave(true);
}

void PasscodeBox::onBoxDestroyed(QObject *obj) {
	if (obj == _replacedBy) {
		_replacedBy = 0;
	}
}

void PasscodeBox::onRecoverByEmail() {
	if (_pattern.isEmpty()) {
		_pattern = "-";
		MTP::send(MTPauth_RequestPasswordRecovery(), rpcDone(&PasscodeBox::recoverStarted), rpcFail(&PasscodeBox::recoverStartFail));
	} else {
		recover();
	}
}

void PasscodeBox::onRecoverExpired() {
	_pattern = QString();
}

void PasscodeBox::recover() {
	if (_pattern == "-") return;

	_replacedBy = new RecoverBox(_pattern);
	connect(_replacedBy, SIGNAL(reloadPassword()), this, SIGNAL(reloadPassword()));
	connect(_replacedBy, SIGNAL(recoveryExpired()), this, SLOT(onRecoverExpired()));
	connect(_replacedBy, SIGNAL(destroyed(QObject*)), this, SLOT(onBoxDestroyed(QObject*)));
	App::wnd()->replaceLayer(_replacedBy);
}

void PasscodeBox::recoverStarted(const MTPauth_PasswordRecovery &result) {
	_pattern = qs(result.c_auth_passwordRecovery().vemail_pattern);
	recover();
}

bool PasscodeBox::recoverStartFail(const RPCError &error) {
	if (error.type().startsWith(qsl("FLOOD_WAIT_"))) return false;

	_pattern = QString();
	onClose();
	return true;
}

RecoverBox::RecoverBox(const QString &pattern) :
_submitRequest(0), _pattern(st::usernameFont->elided(lng_signin_recover_hint(lt_recover_email, pattern), st::boxWideWidth - st::addContactPadding.left() - st::addContactPadding.right())),
_saveButton(this, lang(lng_passcode_submit), st::btnSelectDone),
_cancelButton(this, lang(lng_cancel), st::btnSelectCancel),
_recoverCode(this, st::inpAddContact, lang(lng_signin_code)) {
	setMaxHeight(st::old_boxTitleHeight + st::addContactPadding.top() + st::usernameSkip + _recoverCode.height() + st::usernameSkip + st::addContactPadding.bottom() + _saveButton.height());

	connect(&_saveButton, SIGNAL(clicked()), this, SLOT(onSubmit()));
	connect(&_cancelButton, SIGNAL(clicked()), this, SLOT(onClose()));

	connect(&_recoverCode, SIGNAL(changed()), this, SLOT(onCodeChanged()));

	prepare();
}

void RecoverBox::hideAll() {
	_recoverCode.hide();
	_saveButton.hide();
	_cancelButton.hide();
}

void RecoverBox::showAll() {
	_recoverCode.show();
	_saveButton.show();
	_cancelButton.show();
}

void RecoverBox::keyPressEvent(QKeyEvent *e) {
	if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
		if (_recoverCode.text().isEmpty()) {
			_recoverCode.setFocus();
			_recoverCode.notaBene();
		} else {
			onSubmit();
		}
	} else {
		AbstractBox::keyPressEvent(e);
	}
}

void RecoverBox::paintEvent(QPaintEvent *e) {
	Painter p(this);
	if (paint(p)) return;

	paintTitle(p, lang(lng_signin_recover), true);

	// paint shadow
	p.fillRect(0, height() - st::btnSelectCancel.height - st::scrollDef.bottomsh, width(), st::scrollDef.bottomsh, st::scrollDef.shColor->b);

	p.setFont(st::usernameFont->f);
	int32 w = width() - st::addContactPadding.left() - st::addContactPadding.right();
	p.drawText(QRect(st::addContactPadding.left(), _recoverCode.y() - st::usernameSkip - st::addContactPadding.top(), w, st::addContactPadding.top() + st::usernameSkip), _pattern, style::al_center);

	if (!_error.isEmpty()) {
		p.setPen(st::setErrColor->p);
		p.drawText(QRect(0, _recoverCode.y() + _recoverCode.height(), width(), st::usernameSkip), _error, style::al_center);
	}

	// paint button sep
	p.fillRect(st::btnSelectCancel.width, size().height() - st::btnSelectCancel.height, st::lineWidth, st::btnSelectCancel.height, st::btnSelectSep->b);
}

void RecoverBox::resizeEvent(QResizeEvent *e) {
	_recoverCode.setGeometry(st::addContactPadding.left(), st::old_boxTitleHeight + st::addContactPadding.top() + st::usernameSkip, width() - st::addContactPadding.left() - st::addContactPadding.right(), _recoverCode.height());

	int32 buttonTop = height() - _cancelButton.height();
	_cancelButton.move(0, buttonTop);
	_saveButton.move(width() - _saveButton.width(), buttonTop);
}

void RecoverBox::showDone() {
	_recoverCode.setFocus();
}

void RecoverBox::onSubmit() {
	if (_submitRequest) return;

	QString code = _recoverCode.text().trimmed();
	if (code.isEmpty()) {
		_recoverCode.notaBene();
		return;
	}

	_submitRequest = MTP::send(MTPauth_RecoverPassword(MTP_string(code)), rpcDone(&RecoverBox::codeSubmitDone, true), rpcFail(&RecoverBox::codeSubmitFail));
}

void RecoverBox::onCodeChanged() {
	_error = QString();
	update();
}

void RecoverBox::codeSubmitDone(bool recover, const MTPauth_Authorization &result) {
	_submitRequest = 0;

	emit reloadPassword();
	App::wnd()->showLayer(new InformBox(lang(lng_cloud_password_removed)));
}

bool RecoverBox::codeSubmitFail(const RPCError &error) {
	_submitRequest = 0;

	const QString &err = error.type();
	if (err == "PASSWORD_EMPTY") {
		emit reloadPassword();
		App::wnd()->showLayer(new InformBox(lang(lng_cloud_password_removed)));
		return true;
	} else if (err == "PASSWORD_RECOVERY_NA") {
		onClose();
		return true;
	} else if (err == "PASSWORD_RECOVERY_EXPIRED") {
		emit recoveryExpired();
		onClose();
		return true;
	} else if (err == "CODE_INVALID") {
		_error = lang(lng_signin_wrong_code);
		update();
		_recoverCode.notaBene();
		return true;
	} else if (error.type().startsWith(qsl("FLOOD_WAIT_"))) {
		_error = lang(lng_flood_error);
		update();
		_recoverCode.notaBene();
		return true;
	}
	if (cDebug()) { // internal server error
		_error =  err + ": " + error.description();
	} else {
		_error = lang(lng_server_error);
	}
	update();
	_recoverCode.setFocus();
	return false;
}