248 lines
6.6 KiB
PHP
248 lines
6.6 KiB
PHP
<?php
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namespace BtwInstaller;
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class BlueTwilightInstaller
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{
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private $baseDirectory;
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private $composerSignature;
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public function __construct()
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{
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$this->baseDirectory = dirname(__DIR__);
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chdir($this->baseDirectory);
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putenv('HOME=' . $this->baseDirectory);
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// Display errors so installer never gets a WSOD!
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ini_set('display_errors', true);
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}
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public function run()
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{
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if (strtoupper($_SERVER['REQUEST_METHOD']) == 'POST')
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{
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// Handle post
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$this->runInstall();
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exit();
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}
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?>
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<html>
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<head>
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<title>Blue Twilight Setup</title>
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</head>
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<body>
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<h1>Blue Twilight Setup</h1>
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<p>We need to download a few things - namely <a href="http://getcomposer.org" target="_blank">Composer</a> and related packages - before we can kick off the Blue Twilight installer.</p>
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<p>We can do this for you - simply click the button below.</p>
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<p style="font-weight: bold; color: #ff0000;">This can take a few minutes so please be patient!</p>
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<form method="post">
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<button type="submit" onclick="this.disabled = true;">Install Composer and dependencies for me</button>
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</form>
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<hr/>
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<h2>Got Composer?</h2>
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<p>If you already have Composer installed, however, you may want to use that instead. Just run the below commands on your server, changing the path to Composer as appropriate:</p>
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<p><em>Please note: "composer.phar" may actually be "composer" on your system.</em></p>
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<pre>cd <?php echo $this->baseDirectory; ?><br/>/path/to/composer.phar install</pre>
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</body>
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</html>
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<?php
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}
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private function runInstall()
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{
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?>
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<h1>Installing Blue Twilight Setup Files</h1>
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<ul>
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<?php
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$steps = [
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['Checking PHP modules', 'checkPhpModules'],
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['Fetching Composer signature', 'fetchComposerSignature'],
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['Installing Composer', 'installComposer'],
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['Installing dependencies using Composer', 'runComposer'],
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['Generating application key', 'generateAppKey']
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];
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$successful = true;
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foreach ($steps as $step)
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{
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echo sprintf("<li>%s...</li>%s", $step[0], PHP_EOL);
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$result = call_user_func([$this, $step[1]]);
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if (!$result)
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{
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$successful = false;
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break;
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}
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}
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if ($successful)
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{
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header('Location: install/check');
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exit();
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}
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?>
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</ul>
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<?php
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}
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private function checkPhpModules()
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{
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$requiredModules = [
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'simplexml',
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'curl',
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'mbstring',
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'dom'
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];
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$invalidModules = [];
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foreach ($requiredModules as $module)
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{
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if (!extension_loaded($module))
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{
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$invalidModules[] = $module;
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}
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}
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if (count($invalidModules) > 0)
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{
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$this->echoError(sprintf('The following PHP modules are missing and need to be installed to continue: %s', join(', ', $invalidModules)));
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return false;
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}
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return true;
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}
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private function echoError($message)
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{
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echo sprintf("<span style=\"color: #ff0000;\">%s.</span>%s", $message, PHP_EOL);
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}
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private function echoOK($message = '')
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{
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echo "<span style=\"color: #008800;\">OK";
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if (strlen($message) > 0)
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{
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echo sprintf('... %s', $message);
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}
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echo '</span>' . PHP_EOL;
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}
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private function fetchComposerSignature()
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{
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$signatureUrl = 'https://composer.github.io/installer.sig';
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$this->composerSignature = trim(file_get_contents($signatureUrl));
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if (strlen($this->composerSignature) == 0)
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{
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$this->echoError(sprintf("Failed downloading the Composer signature from %s", $signatureUrl));
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return false;
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}
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else
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{
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$this->echoOK($this->composerSignature);
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}
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return true;
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}
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private function generateAppKey()
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{
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if (!file_exists('.env') && file_exists('.env.example'))
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{
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copy('.env.example', '.env');
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}
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ob_start();
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system('touch .env', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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ob_start();
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system('php artisan key:generate', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Failed to generate application key');
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return false;
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}
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$this->echoOK();
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return true;
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}
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private function installComposer()
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{
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$rc = -1;
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ob_start();
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system('php -r "copy(\'https://getcomposer.org/installer\', \'composer-setup.php\');"', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Failed to fetch Composer');
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return false;
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}
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ob_start();
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system(sprintf('php -r "if (hash_file(\'SHA384\', \'composer-setup.php\') === \'%s\') { echo \'Installer verified\'; } else { echo \'Installer corrupt\'; unlink(\'composer-setup.php\'); } echo PHP_EOL;"', $this->composerSignature), $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Composer verification failed');
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return false;
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}
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ob_start();
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system('php composer-setup.php', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Failed to install Composer');
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return false;
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}
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ob_start();
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system('php -r "unlink(\'composer-setup.php\');"', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Failed to remove Composer setup file');
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return false;
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}
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$this->echoOK();
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return true;
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}
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private function runComposer()
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{
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ob_start();
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system('php composer.phar install', $rc);
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$result = ob_get_clean();
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echo nl2br($result);
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if ($rc != 0)
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{
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$this->echoError('Installing Composer packages failed');
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return false;
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}
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$this->echoOK();
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return true;
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}
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}
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$installer = new BlueTwilightInstaller();
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$installer->run();
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