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✨✨ CLI Command cleanup ✨✨

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This PR cleans up the `Command` classes in the CLI, introducing a
`DatabaseCommand` class for the commands operating on a database,
and a `getCommandLineParser` command to centralize the arguments
parsing and validation.

The opening of the database based on the CLI arguments and options
is now centralized in `DatabaseCommand.execute`, making it easy to
add new database opening features (like YubiKey support for the CLI).

Also a couple of bugs fixed:
  * `Create` was still using `stdout` for some error messages.
  * `Diceware` and `Generate` were not validating that the word count was an integer.
  * `Diceware` was also using `stdout` for some error messages.
This commit is contained in:
louib 2019-06-01 17:53:40 -04:00 • committed by Jonathan White
parent 3cf171cbf5
commit 04360ed552
31 changed files with 591 additions and 637 deletions
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112
src/cli/Add.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
* Copyright (C) 2019 KeePassXC Team <team@keepassxc.org>
*
* 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
@ -20,8 +20,6 @@
#include "Add.h"
#include <QCommandLineParser>
#include "cli/TextStream.h"
#include "cli/Utils.h"
#include "core/Database.h"
@ -29,106 +27,84 @@
#include "core/Group.h"
#include "core/PasswordGenerator.h"
const QCommandLineOption Add::UsernameOption = QCommandLineOption(QStringList() << "u"
<< "username",
QObject::tr("Username for the entry."),
QObject::tr("username"));
const QCommandLineOption Add::UrlOption =
QCommandLineOption(QStringList() << "url", QObject::tr("URL for the entry."), QObject::tr("URL"));
const QCommandLineOption Add::PasswordPromptOption =
QCommandLineOption(QStringList() << "p"
<< "password-prompt",
QObject::tr("Prompt for the entry's password."));
const QCommandLineOption Add::GenerateOption = QCommandLineOption(QStringList() << "g"
<< "generate",
QObject::tr("Generate a password for the entry."));
const QCommandLineOption Add::PasswordLengthOption =
QCommandLineOption(QStringList() << "l"
<< "password-length",
QObject::tr("Length for the generated password."),
QObject::tr("length"));
Add::Add()
{
name = QString("add");
description = QObject::tr("Add a new entry to a database.");
options.append(Add::UsernameOption);
options.append(Add::UrlOption);
options.append(Add::PasswordPromptOption);
options.append(Add::GenerateOption);
options.append(Add::PasswordLengthOption);
positionalArguments.append({QString("entry"), QObject::tr("Path of the entry to add."), QString("")});
}
Add::~Add()
{
}
int Add::execute(const QStringList& arguments)
int Add::executeWithDatabase(QSharedPointer<Database> database, QSharedPointer<QCommandLineParser> parser)
{
TextStream inputTextStream(Utils::STDIN, QIODevice::ReadOnly);
TextStream outputTextStream(Utils::STDOUT, QIODevice::WriteOnly);
TextStream errorTextStream(Utils::STDERR, QIODevice::WriteOnly);
QCommandLineParser parser;
parser.setApplicationDescription(description);
parser.addPositionalArgument("database", QObject::tr("Path of the database."));
parser.addOption(Command::QuietOption);
parser.addOption(Command::KeyFileOption);
parser.addOption(Command::NoPasswordOption);
QCommandLineOption username(QStringList() << "u"
<< "username",
QObject::tr("Username for the entry."),
QObject::tr("username"));
parser.addOption(username);
QCommandLineOption url(QStringList() << "url", QObject::tr("URL for the entry."), QObject::tr("URL"));
parser.addOption(url);
QCommandLineOption prompt(QStringList() << "p"
<< "password-prompt",
QObject::tr("Prompt for the entry's password."));
parser.addOption(prompt);
QCommandLineOption generate(QStringList() << "g"
<< "generate",
QObject::tr("Generate a password for the entry."));
parser.addOption(generate);
QCommandLineOption length(QStringList() << "l"
<< "password-length",
QObject::tr("Length for the generated password."),
QObject::tr("length"));
parser.addOption(length);
parser.addPositionalArgument("entry", QObject::tr("Path of the entry to add."));
parser.addHelpOption();
parser.process(arguments);
const QStringList args = parser.positionalArguments();
if (args.size() != 2) {
errorTextStream << parser.helpText().replace("[options]", "add [options]");
return EXIT_FAILURE;
}
const QStringList args = parser->positionalArguments();
const QString& databasePath = args.at(0);
const QString& entryPath = args.at(1);
auto db = Utils::unlockDatabase(databasePath,
!parser.isSet(Command::NoPasswordOption),
parser.value(Command::KeyFileOption),
parser.isSet(Command::QuietOption) ? Utils::DEVNULL : Utils::STDOUT,
Utils::STDERR);
if (!db) {
return EXIT_FAILURE;
}
// Validating the password length here, before we actually create
// the entry.
QString passwordLength = parser.value(length);
QString passwordLength = parser->value(Add::PasswordLengthOption);
if (!passwordLength.isEmpty() && !passwordLength.toInt()) {
errorTextStream << QObject::tr("Invalid value for password length %1.").arg(passwordLength) << endl;
return EXIT_FAILURE;
}
Entry* entry = db->rootGroup()->addEntryWithPath(entryPath);
Entry* entry = database->rootGroup()->addEntryWithPath(entryPath);
if (!entry) {
errorTextStream << QObject::tr("Could not create entry with path %1.").arg(entryPath) << endl;
return EXIT_FAILURE;
}
if (!parser.value("username").isEmpty()) {
entry->setUsername(parser.value("username"));
if (!parser->value(Add::UsernameOption).isEmpty()) {
entry->setUsername(parser->value(Add::UsernameOption));
}
if (!parser.value("url").isEmpty()) {
entry->setUrl(parser.value("url"));
if (!parser->value(Add::UrlOption).isEmpty()) {
entry->setUrl(parser->value(Add::UrlOption));
}
if (parser.isSet(prompt)) {
if (!parser.isSet(Command::QuietOption)) {
if (parser->isSet(Add::PasswordPromptOption)) {
if (!parser->isSet(Command::QuietOption)) {
outputTextStream << QObject::tr("Enter password for new entry: ") << flush;
}
QString password = Utils::getPassword(parser.isSet(Command::QuietOption) ? Utils::DEVNULL : Utils::STDOUT);
QString password = Utils::getPassword(parser->isSet(Command::QuietOption) ? Utils::DEVNULL : Utils::STDOUT);
entry->setPassword(password);
} else if (parser.isSet(generate)) {
} else if (parser->isSet(Add::GenerateOption)) {
PasswordGenerator passwordGenerator;
if (passwordLength.isEmpty()) {
@ -144,12 +120,12 @@ int Add::execute(const QStringList& arguments)
}
QString errorMessage;
if (!db->save(databasePath, &errorMessage, true, false)) {
if (!database->save(databasePath, &errorMessage, true, false)) {
errorTextStream << QObject::tr("Writing the database failed %1.").arg(errorMessage) << endl;
return EXIT_FAILURE;
}
if (!parser.isSet(Command::QuietOption)) {
if (!parser->isSet(Command::QuietOption)) {
outputTextStream << QObject::tr("Successfully added entry %1.").arg(entry->title()) << endl;
}
return EXIT_SUCCESS;