Plumbing for asking for passwords from QML
This change introduces a model to signal the UI what password "scenario" is applicable and provides the necessary plumbing to expose it QML.master
parent
4d966c3926
commit
f16eba4505
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@ -40,6 +40,11 @@ namespace app
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return new model::SimpleAccountListModel(storage(), this);
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}
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model::PasswordRequest * Keysmith::passwordRequest(void)
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{
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return new model::PasswordRequest(storage()->secret(), this);
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}
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accounts::AccountStorage * Keysmith::storage(void)
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{
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if (!m_storage) {
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@ -7,6 +7,7 @@
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#include "../account/account.h"
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#include "../model/accounts.h"
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#include "../model/password.h"
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#include <QObject>
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@ -20,6 +21,7 @@ namespace app
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virtual ~Keysmith();
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Q_INVOKABLE void copyToClipboard(const QString &text);
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Q_INVOKABLE model::SimpleAccountListModel * accountListModel(void);
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Q_INVOKABLE model::PasswordRequest * passwordRequest(void);
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private:
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accounts::AccountStorage * storage(void);
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private:
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@ -32,6 +32,7 @@ Q_DECL_EXPORT int main(int argc, char *argv[])
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engine.rootContext()->setContextObject(new KLocalizedContext(&engine));
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qmlRegisterUncreatableType<model::SimpleAccountListModel>("Keysmith.Models", 1, 0, "AccountListModel", "Use the Keysmith singleton to obtain an AccountListModel");
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qmlRegisterUncreatableType<model::PasswordRequest>("Keysmith.Models", 1, 0, "PasswordRequestModel", "Use the Keysmith singleton to obtain an PasswordRequestModel");
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qmlRegisterUncreatableType<model::AccountView>("Keysmith.Models", 1, 0, "Account", "Use an AccountListModel from the Keysmith singleton to obtain an Account");
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qmlRegisterType<model::AccountNameValidator>("Keysmith.Validators", 1, 0, "AccountNameValidator");
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qmlRegisterType<validators::Base32Validator>("Keysmith.Validators", 1, 0, "Base32SecretValidator");
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@ -5,6 +5,7 @@
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set(model_SRCS
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accounts.cpp
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password.cpp
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)
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add_library(model_lib STATIC ${model_SRCS})
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@ -0,0 +1,117 @@
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/*
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* SPDX-License-Identifier: GPL-3.0-or-later
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* SPDX-FileCopyrightText: 2020 Johan Ouwerkerk <jm.ouwerkerk@gmail.com>
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*/
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#include "password.h"
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#include "../secrets/secrets.h"
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#include "../logging_p.h"
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KEYSMITH_LOGGER(logger, ".model.password")
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namespace model
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{
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PasswordRequest::PasswordRequest(accounts::AccountSecret *secret, QObject *parent) :
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QObject(parent), m_secret(secret), m_previous(false), m_haveKey(false), m_havePassword(false)
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{
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QObject::connect(m_secret, &accounts::AccountSecret::existingPasswordNeeded, this, &PasswordRequest::setPreviouslyDefined);
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QObject::connect(m_secret, &accounts::AccountSecret::passwordAvailable, this, &PasswordRequest::setPasswordAvailable);
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QObject::connect(m_secret, &accounts::AccountSecret::keyAvailable, this, &PasswordRequest::setKeyAvailable);
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m_previous = secret->isExistingPasswordRequested();
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m_haveKey = secret->isKeyAvailable();
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m_havePassword = secret->isPasswordAvailable();
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}
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bool PasswordRequest::previouslyDefined(void) const
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{
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return m_previous;
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}
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bool PasswordRequest::keyAvailable(void) const
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{
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return m_haveKey;
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}
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bool PasswordRequest::passwordProvided(void) const
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{
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return m_havePassword;
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}
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bool PasswordRequest::provideBothPasswords(QString password, QString other)
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{
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if (password != other || password.isEmpty()) {
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qCDebug(logger) << "Not applying new password(s): passwords must match and must not be empty";
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return false;
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}
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if (m_previous) {
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qCDebug(logger) << "Ignoring new password(s): function should not be used to unlock existing account secrets";
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return false;
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}
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std::optional<secrets::KeyDerivationParameters> params = secrets::KeyDerivationParameters::create();
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if (!params) {
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qCDebug(logger) << "Unable apply new password(s): failed to create default key derivation parameters";
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return false;
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}
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if (m_secret->answerNewPassword(password, *params)) {
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other.fill(QLatin1Char('*'), -1);
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return true;
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}
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qCDebug(logger) << "Failed to apply new password(s)";
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return false;
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}
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bool PasswordRequest::providePassword(QString password)
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{
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if (password.isEmpty()) {
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qCDebug(logger) << "Not applying password: passwords must not be empty";
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return false;
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}
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if (!m_previous) {
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qCDebug(logger) << "Ignoring password: function should not be used to set up new account secrets";
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return false;
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}
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if (m_secret->answerExistingPassword(password)) {
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password.fill(QLatin1Char('*'), -1);
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return true;
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}
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qCDebug(logger) << "Failed to apply password for existing account secrets";
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return false;
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}
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void PasswordRequest::setKeyAvailable(void)
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{
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if (!m_haveKey) {
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m_haveKey = true;
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Q_EMIT derivedKey();
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} else {
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qCDebug(logger) << "Ignored signal: already marked key as available";
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}
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}
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void PasswordRequest::setPasswordAvailable(void)
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{
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if (!m_havePassword) {
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m_havePassword = true;
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Q_EMIT passwordAccepted();
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} else {
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qCDebug(logger) << "Ignored signal: already marked password as available";
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}
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}
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void PasswordRequest::setPreviouslyDefined(void)
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{
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if (!m_previous) {
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m_previous = true;
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Q_EMIT passwordExists();
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} else {
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qCDebug(logger) << "Ignored signal: already marked password for existing secrets";
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}
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}
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}
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@ -0,0 +1,43 @@
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/*
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* SPDX-License-Identifier: GPL-3.0-or-later
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* SPDX-FileCopyrightText: 2020 Johan Ouwerkerk <jm.ouwerkerk@gmail.com>
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*/
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#ifndef MODEL_PASSWORD_H
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#define MODEL_PASSWORD_H
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#include "../account/keys.h"
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namespace model
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{
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class PasswordRequest: public QObject
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{
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Q_OBJECT
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Q_PROPERTY(bool previouslyDefined READ previouslyDefined NOTIFY passwordExists)
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Q_PROPERTY(bool keyAvailable READ keyAvailable NOTIFY derivedKey)
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Q_PROPERTY(bool passwordProvided READ passwordProvided NOTIFY passwordAccepted)
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public:
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explicit PasswordRequest(accounts::AccountSecret *secret, QObject *parent = nullptr);
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bool previouslyDefined(void) const;
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bool keyAvailable(void) const;
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bool passwordProvided(void) const;
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public:
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Q_INVOKABLE bool providePassword(QString password);
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Q_INVOKABLE bool provideBothPasswords(QString password, QString other);
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Q_SIGNALS:
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void passwordExists(void) const;
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void passwordAccepted(void) const;
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void derivedKey(void) const;
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private Q_SLOTS:
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void setKeyAvailable(void);
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void setPasswordAvailable(void);
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void setPreviouslyDefined(void);
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private:
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accounts::AccountSecret * m_secret;
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private:
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bool m_previous;
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bool m_haveKey;
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bool m_havePassword;
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};
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}
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#endif
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