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<?php |
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namespace Startwind\Inventorio\Remote; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\RequestOptions; |
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use Startwind\Inventorio\Util\CommandUtil; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Process\Process; |
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class RemoteConnect |
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{ |
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private const URL_HAS_COMMAND = '/inventorio/command/queued/{serverId}'; |
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private const URL_POP_COMMAND = '/inventorio/command/pop/{serverId}'; |
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private const URL_SEND_OUTPUT = '/inventorio/command/result/{commandId}'; |
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private string $inventorioServer; |
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private string $serverId; |
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private array $commands; |
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private string $secret; |
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public function __construct(string $inventorioServer, string $serverId, array $commands, string $secret) |
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{ |
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$this->inventorioServer = $inventorioServer; |
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$this->serverId = $serverId; |
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$this->commands = $commands; |
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$this->secret = $secret; |
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} |
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public function run($remoteEnabled, $smartCareEnabled): string |
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{ |
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$client = new Client(); |
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$popUrl = str_replace('{serverId}', $this->serverId, self::URL_POP_COMMAND); |
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$hasUrl = str_replace('{serverId}', $this->serverId, self::URL_HAS_COMMAND); |
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$response = $client->get($this->inventorioServer . $hasUrl); |
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$result = json_decode($response->getBody(), true); |
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if ($result['data']['hasQueued']) { |
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$commandResponse = $client->get($this->inventorioServer . $popUrl); |
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$commandResult = json_decode($commandResponse->getBody(), true); |
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$identifier = $commandResult['data']['command']['id']; |
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$type = $commandResult['data']['command']['type']; |
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if ($type === 'smartCare' && !$smartCareEnabled) { |
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$commandOutput = [ |
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"output" => '', |
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'error' => 'SmartCare is not activated on this server', |
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'actualCommand' => '<unknown>', |
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'exitCode' => Command::FAILURE |
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]; |
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} elseif ($type === 'remote' && !$remoteEnabled) { |
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$commandOutput = [ |
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"output" => '', |
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'error' => 'Remote commands are not enabled on this server', |
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'actualCommand' => '<unknown>', |
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'exitCode' => Command::FAILURE |
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]; |
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} else { |
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if ($type === 'remote') { |
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$commandId = $commandResult['data']['command']['command']; |
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$expectedProof = md5($commandId . $this->secret); |
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$cloudProof = $commandResult['data']['command']['proof']; |
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if ($expectedProof !== $cloudProof) { |
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$cloudCommand = $commandResult['data']['command']['storedCommand']['command']; |
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$commandOutput = $this->runCommand($commandId, $cloudCommand); |
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} else { |
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$commandOutput = [ |
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"output" => '', |
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'error' => 'The authenticity of the job could not be verified.', |
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'actualCommand' => '<unknown>', |
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'exitCode' => Command::FAILURE |
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]; |
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} |
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} else { |
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$commandOutput = $this->runSmartCareCommand($commandResult['data']); |
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} |
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} |
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$sendUrl = str_replace('{commandId}', $identifier, self::URL_SEND_OUTPUT); |
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$client->post($this->inventorioServer . $sendUrl, [ |
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RequestOptions::JSON => ['output' => $commandOutput] |
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]); |
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return 'Command: ' . $commandOutput['actualCommand']; |
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} |
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return ""; |
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} |
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private function runSmartCareCommand(array $commandObject): array |
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{ |
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$command = $commandObject['command']['command']; |
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$expectedProof = md5($command . $this->secret); |
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$cloudProof = $commandObject['command']['proof']; |
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if ($expectedProof !== $cloudProof) { |
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return [ |
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"output" => '', |
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'error' => 'The authenticity of the job could not be verified.', |
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'actualCommand' => '<unknown>', |
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'exitCode' => Command::FAILURE |
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]; |
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} |
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$actualCommands = CommandUtil::splitCommands($command); |
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$output = []; |
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$error = ''; |
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$exitCode = Command::SUCCESS; |
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foreach ($actualCommands as $actualCommand) { |
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$process = $this->runActualCommand($actualCommand); |
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$output[] = $process->getOutput(); |
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if ($process->getExitCode() !== Command::SUCCESS) { |
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$error = $process->getErrorOutput(); |
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$exitCode = $process->getExitCode(); |
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break; |
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} |
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} |
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return [ |
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"output" => implode("\n", $output), |
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"error" => $error, |
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'actualCommand' => $command, |
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'splitCommands' => $actualCommands, |
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'exitCode' => $exitCode |
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]; |
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} |
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private function runCommand(string $command, string $cloudCommand): array |
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{ |
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if (!array_key_exists($command, $this->commands)) { |
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return [ |
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"output" => '', |
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"error" => "No command with identifier '" . $command . "' found.", |
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'actualCommand' => '<unknown>', |
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'exitCode' => Command::FAILURE |
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]; |
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} |
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$actualCommand = $this->commands[$command]; |
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if ($cloudCommand === $actualCommand['command']) { |
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$process = $this->runActualCommand($actualCommand['command']); |
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return [ |
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'output' => $process->getOutput(), |
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'error' => $process->getErrorOutput(), |
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'actualCommand' => $actualCommand['command'], |
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'exitCode' => $process->getExitCode() |
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]; |
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} else { |
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return [ |
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'output' => '', |
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'error' => 'The command that should be run is not the same as the one that was triggered. Looks like somebody tried to hack your system.', |
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'actualCommand' => $actualCommand['command'], |
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'exitCode' => Command::FAILURE |
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]; |
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} |
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} |
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private function runActualCommand(string $command): Process |
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{ |
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$shellCommandLine = "timeout --kill-after=5s 1m " . $command; |
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$process = Process::fromShellCommandline($shellCommandLine); |
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$process->run(); |
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return $process; |
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} |
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} |
startwind /
inventorio-command-line
