wallabag/src/Wallabag/CoreBundle/Command/InstallCommand.php

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<?php
namespace Wallabag\CoreBundle\Command;
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use Craue\ConfigBundle\Entity\Setting;
use FOS\UserBundle\Event\UserEvent;
use FOS\UserBundle\FOSUserEvents;
use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Question\ConfirmationQuestion;
use Symfony\Component\Console\Question\Question;
class InstallCommand extends ContainerAwareCommand
{
/**
* @var InputInterface
*/
protected $defaultInput;
/**
* @var OutputInterface
*/
protected $defaultOutput;
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/**
* @var array
*/
protected $functionExists = [
'curl_exec',
'curl_multi_init',
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];
protected function configure()
{
$this
->setName('wallabag:install')
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->setDescription('wallabag installer.')
->addOption(
'reset',
null,
InputOption::VALUE_NONE,
'Reset current database'
)
;
}
protected function execute(InputInterface $input, OutputInterface $output)
{
$this->defaultInput = $input;
$this->defaultOutput = $output;
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$output->writeln('<info>Installing wallabag...</info>');
$output->writeln('');
$this
->checkRequirements()
->setupDatabase()
->setupAdmin()
->setupConfig()
->runMigrations()
;
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$output->writeln('<info>wallabag has been successfully installed.</info>');
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$output->writeln('<comment>Just execute `php bin/console server:run --env=prod` for using wallabag: http://localhost:8000</comment>');
}
protected function checkRequirements()
{
$this->defaultOutput->writeln('<info><comment>Step 1 of 5.</comment> Checking system requirements.</info>');
$doctrineManager = $this->getContainer()->get('doctrine')->getManager();
$rows = [];
// testing if database driver exists
$fulfilled = true;
$label = '<comment>PDO Driver (%s)</comment>';
$status = '<info>OK!</info>';
$help = '';
if (!extension_loaded($this->getContainer()->getParameter('database_driver'))) {
$fulfilled = false;
$status = '<error>ERROR!</error>';
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$help = 'Database driver "' . $this->getContainer()->getParameter('database_driver') . '" is not installed.';
}
$rows[] = [sprintf($label, $this->getContainer()->getParameter('database_driver')), $status, $help];
// testing if connection to the database can be etablished
$label = '<comment>Database connection</comment>';
$status = '<info>OK!</info>';
$help = '';
try {
$conn = $this->getContainer()->get('doctrine')->getManager()->getConnection();
$conn->connect();
} catch (\Exception $e) {
if (false === strpos($e->getMessage(), 'Unknown database')
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&& false === strpos($e->getMessage(), 'database "' . $this->getContainer()->getParameter('database_name') . '" does not exist')) {
$fulfilled = false;
$status = '<error>ERROR!</error>';
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$help = 'Can\'t connect to the database: ' . $e->getMessage();
}
}
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$rows[] = [$label, $status, $help];
// check MySQL & PostgreSQL version
$label = '<comment>Database version</comment>';
$status = '<info>OK!</info>';
$help = '';
// now check if MySQL isn't too old to handle utf8mb4
if ($conn->isConnected() && 'mysql' === $conn->getDatabasePlatform()->getName()) {
$version = $conn->query('select version()')->fetchColumn();
$minimalVersion = '5.5.4';
if (false === version_compare($version, $minimalVersion, '>')) {
$fulfilled = false;
$status = '<error>ERROR!</error>';
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$help = 'Your MySQL version (' . $version . ') is too old, consider upgrading (' . $minimalVersion . '+).';
}
}
// testing if PostgreSQL > 9.1
if ($conn->isConnected() && 'postgresql' === $conn->getDatabasePlatform()->getName()) {
// return version should be like "PostgreSQL 9.5.4 on x86_64-apple-darwin15.6.0, compiled by Apple LLVM version 8.0.0 (clang-800.0.38), 64-bit"
$version = $doctrineManager->getConnection()->query('SELECT version();')->fetchColumn();
preg_match('/PostgreSQL ([0-9\.]+)/i', $version, $matches);
if (isset($matches[1]) & version_compare($matches[1], '9.2.0', '<')) {
$fulfilled = false;
$status = '<error>ERROR!</error>';
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$help = 'PostgreSQL should be greater than 9.1 (actual version: ' . $matches[1] . ')';
}
}
$rows[] = [$label, $status, $help];
foreach ($this->functionExists as $functionRequired) {
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$label = '<comment>' . $functionRequired . '</comment>';
$status = '<info>OK!</info>';
$help = '';
if (!function_exists($functionRequired)) {
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$fulfilled = false;
$status = '<error>ERROR!</error>';
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$help = 'You need the ' . $functionRequired . ' function activated';
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}
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$rows[] = [$label, $status, $help];
}
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$table = new Table($this->defaultOutput);
$table
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->setHeaders(['Checked', 'Status', 'Recommendation'])
->setRows($rows)
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->render();
if (!$fulfilled) {
throw new \RuntimeException('Some system requirements are not fulfilled. Please check output messages and fix them.');
}
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$this->defaultOutput->writeln('<info>Success! Your system can run wallabag properly.</info>');
$this->defaultOutput->writeln('');
return $this;
}
protected function setupDatabase()
{
$this->defaultOutput->writeln('<info><comment>Step 2 of 5.</comment> Setting up database.</info>');
// user want to reset everything? Don't care about what is already here
if (true === $this->defaultInput->getOption('reset')) {
$this->defaultOutput->writeln('Dropping database, creating database and schema, clearing the cache');
$this
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->runCommand('doctrine:database:drop', ['--force' => true])
->runCommand('doctrine:database:create')
->runCommand('doctrine:schema:create')
->runCommand('cache:clear')
;
$this->defaultOutput->writeln('');
return $this;
}
if (!$this->isDatabasePresent()) {
$this->defaultOutput->writeln('Creating database and schema, clearing the cache');
$this
->runCommand('doctrine:database:create')
->runCommand('doctrine:schema:create')
->runCommand('cache:clear')
;
$this->defaultOutput->writeln('');
return $this;
}
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$questionHelper = $this->getHelper('question');
$question = new ConfirmationQuestion('It appears that your database already exists. Would you like to reset it? (y/N)', false);
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if ($questionHelper->ask($this->defaultInput, $this->defaultOutput, $question)) {
$this->defaultOutput->writeln('Dropping database, creating database and schema');
$this
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->runCommand('doctrine:database:drop', ['--force' => true])
->runCommand('doctrine:database:create')
->runCommand('doctrine:schema:create')
;
} elseif ($this->isSchemaPresent()) {
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$question = new ConfirmationQuestion('Seems like your database contains schema. Do you want to reset it? (y/N)', false);
if ($questionHelper->ask($this->defaultInput, $this->defaultOutput, $question)) {
$this->defaultOutput->writeln('Dropping schema and creating schema');
$this
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->runCommand('doctrine:schema:drop', ['--force' => true])
->runCommand('doctrine:schema:create')
;
}
} else {
$this->defaultOutput->writeln('Creating schema');
$this
->runCommand('doctrine:schema:create')
;
}
$this->defaultOutput->writeln('Clearing the cache');
$this->runCommand('cache:clear');
$this->defaultOutput->writeln('');
return $this;
}
protected function setupAdmin()
{
$this->defaultOutput->writeln('<info><comment>Step 3 of 5.</comment> Administration setup.</info>');
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$questionHelper = $this->getHelperSet()->get('question');
$question = new ConfirmationQuestion('Would you like to create a new admin user (recommended) ? (Y/n)', true);
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if (!$questionHelper->ask($this->defaultInput, $this->defaultOutput, $question)) {
return $this;
}
$em = $this->getContainer()->get('doctrine.orm.entity_manager');
$userManager = $this->getContainer()->get('fos_user.user_manager');
$user = $userManager->createUser();
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$question = new Question('Username (default: wallabag) :', 'wallabag');
$user->setUsername($questionHelper->ask($this->defaultInput, $this->defaultOutput, $question));
$question = new Question('Password (default: wallabag) :', 'wallabag');
$user->setPlainPassword($questionHelper->ask($this->defaultInput, $this->defaultOutput, $question));
$question = new Question('Email:', '');
$user->setEmail($questionHelper->ask($this->defaultInput, $this->defaultOutput, $question));
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$user->setEnabled(true);
$user->addRole('ROLE_SUPER_ADMIN');
$em->persist($user);
// dispatch a created event so the associated config will be created
$event = new UserEvent($user);
$this->getContainer()->get('event_dispatcher')->dispatch(FOSUserEvents::USER_CREATED, $event);
$this->defaultOutput->writeln('');
return $this;
}
protected function setupConfig()
{
$this->defaultOutput->writeln('<info><comment>Step 4 of 5.</comment> Config setup.</info>');
$em = $this->getContainer()->get('doctrine.orm.entity_manager');
// cleanup before insert new stuff
$em->createQuery('DELETE FROM CraueConfigBundle:Setting')->execute();
foreach ($this->getContainer()->getParameter('wallabag_core.default_internal_settings') as $setting) {
$newSetting = new Setting();
$newSetting->setName($setting['name']);
$newSetting->setValue($setting['value']);
$newSetting->setSection($setting['section']);
$em->persist($newSetting);
}
$em->flush();
$this->defaultOutput->writeln('');
return $this;
}
protected function runMigrations()
{
$this->defaultOutput->writeln('<info><comment>Step 5 of 5.</comment> Run migrations.</info>');
$this
->runCommand('doctrine:migrations:migrate', ['--no-interaction' => true]);
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return $this;
}
/**
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* Run a command.
*
* @param string $command
* @param array $parameters Parameters to this command (usually 'force' => true)
*/
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protected function runCommand($command, $parameters = [])
{
$parameters = array_merge(
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['command' => $command],
$parameters,
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[
'--no-debug' => true,
'--env' => $this->defaultInput->getOption('env') ?: 'dev',
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]
);
if ($this->defaultInput->getOption('no-interaction')) {
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$parameters = array_merge($parameters, ['--no-interaction' => true]);
}
$this->getApplication()->setAutoExit(false);
$output = new BufferedOutput();
$exitCode = $this->getApplication()->run(new ArrayInput($parameters), $output);
// PDO does not always close the connection after Doctrine commands.
// See https://github.com/symfony/symfony/issues/11750.
$this->getContainer()->get('doctrine')->getManager()->getConnection()->close();
if (0 !== $exitCode) {
$this->getApplication()->setAutoExit(true);
throw new \RuntimeException(
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'The command "' . $command . "\" generates some errors: \n\n"
. $output->fetch());
}
return $this;
}
/**
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* Check if the database already exists.
*
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* @return bool
*/
private function isDatabasePresent()
{
$connection = $this->getContainer()->get('doctrine')->getManager()->getConnection();
$databaseName = $connection->getDatabase();
try {
$schemaManager = $connection->getSchemaManager();
} catch (\Exception $exception) {
// mysql & sqlite
if (false !== strpos($exception->getMessage(), sprintf("Unknown database '%s'", $databaseName))) {
return false;
}
// pgsql
if (false !== strpos($exception->getMessage(), sprintf('database "%s" does not exist', $databaseName))) {
return false;
}
throw $exception;
}
// custom verification for sqlite, since `getListDatabasesSQL` doesn't work for sqlite
if ('sqlite' === $schemaManager->getDatabasePlatform()->getName()) {
$params = $this->getContainer()->get('doctrine.dbal.default_connection')->getParams();
if (isset($params['path']) && file_exists($params['path'])) {
return true;
}
return false;
}
try {
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return in_array($databaseName, $schemaManager->listDatabases(), true);
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} catch (\Doctrine\DBAL\Exception\DriverException $e) {
// it means we weren't able to get database list, assume the database doesn't exist
return false;
}
}
/**
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* Check if the schema is already created.
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* If we found at least oen table, it means the schema exists.
*
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* @return bool
*/
private function isSchemaPresent()
{
$schemaManager = $this->getContainer()->get('doctrine')->getManager()->getConnection()->getSchemaManager();
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return count($schemaManager->listTableNames()) > 0 ? true : false;
}
}