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<?php |
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/** |
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* This file is, guess what, part of WebHelper. |
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* |
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* (c) James <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace JamesRezo\WebHelper\Command; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Input\InputArgument; |
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use JamesRezo\WebHelper\Factory; |
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use JamesRezo\WebHelper\WebServer\WebServerInterface; |
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/** |
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* Detects webservers. |
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*/ |
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class DetectCommand extends BaseCommand |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('detect') |
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->setDescription('Detect webservers on this platform.') |
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->setHelp('The <info>detect</info> command finds webserver binaries in the PATH'. |
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' or in the path passed in argument.') |
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->addArgument('path', InputArgument::IS_ARRAY, 'path list to look into for a binary instead of PATH.') |
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; |
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} |
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/** |
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* Execute the command. |
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* |
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* {@inheritdoc} |
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* |
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* @param InputInterface $input the input interface |
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* @param OutputInterface $output the output interface |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$path = $this->getPath($input); |
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$factory = new Factory(); |
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$files = false; |
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foreach ($factory->getKnownWebServers() as $webservername) { |
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$webserver = $factory->createWebServer($webservername); |
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$file = $this->searchBinary($path, $webserver, $output); |
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$files = $files || (strlen($file) > 0); |
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} |
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if (!$files) { |
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$output->writeln('<error>No Web Server Found.</error>'); |
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1 |
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return 1; |
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} |
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} |
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/** |
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* Finds the first binary available to manage a webserver. |
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* |
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* Validity of a binary is to retrieve a version and and default config file |
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* |
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* @param array $path a list of directories to scan |
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* @param WebServerInterface $webserver the webserver to detect |
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* @param OutputInterface $output the output interface |
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* |
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* @return string the absolute path of the binary if found and valid, empty string elsewhere |
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*/ |
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private function searchBinary(array $path, WebServerInterface $webserver, OutputInterface $output) |
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{ |
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$file = ''; |
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foreach ($webserver->getBinaries() as $binary) { |
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$file = $this->which($binary, $path); |
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if ($file) { |
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$output->writeln('<comment>'.$file.' detected for '.$webserver->getName().'.</comment>'); |
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$settings = $webserver->getSettings($file); |
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$version = $webserver->extractVersion($settings); |
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if (!$version) { |
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$output->writeln('<error>No version found for "'.$file.'".</error>'); |
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$file = ''; |
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continue; |
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} |
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$configFile = $webserver->extractRootConfigurationFile($settings); |
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if (!$configFile) { |
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$output->writeln('<error>No conf. file found for "'.$file.'".</error>'); |
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$file = ''; |
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continue; |
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} |
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if ($output->getVerbosity() >= OutputInterface::VERBOSITY_VERY_VERBOSE) { |
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$output->writeln('<comment>That says:</comment>'); |
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$output->write($settings); |
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} |
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$output->writeln('<info>Detected version:</info>'.$version); |
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$output->writeln('<info>Detected conf. file:</info>'.$configFile); |
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if ($output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE) { |
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$output->writeln( |
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'<comment>You should analyze this with </comment>'. |
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'wh analyze '.$webserver->getName().':'.$version.' '.$configFile |
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); |
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} |
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break; |
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} |
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} |
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return $file; |
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} |
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/** |
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* A `which`-like function. |
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* |
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* Finds the absolute path of a binary in a list of directories |
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* |
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* @param string $binary the binary to find in a list of directories |
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* @param array $paths a list of directories to scan |
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* |
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* @return string the absolute path of the binary if found, empty string elsewhere |
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*/ |
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private function which($binary, array $paths = array()) |
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{ |
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$file = ''; |
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foreach ($paths as $path) { |
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$path = preg_replace('#('.preg_quote(DIRECTORY_SEPARATOR).')*$#', '', $path).DIRECTORY_SEPARATOR; |
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if (is_executable($path.$binary) && !is_dir($path.$binary)) { |
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$file = $path.$binary; |
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} |
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} |
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return $file; |
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} |
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} |
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JamesRezo /
WebHelper
