139 lines
5.0 KiB
PHP
139 lines
5.0 KiB
PHP
<?php
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namespace NoccyLabs\Hotfix\Command;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Question\ConfirmationQuestion;
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use Symfony\Component\Console\Question\ChoiceQuestion;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use NoccyLabs\Hotfix\Hotfix\Loader;
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use NoccyLabs\Hotfix\Hotfix\Hotfix;
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use NoccyLabs\Hotfix\System\Facts;
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use NoccyLabs\Hotfix\Runner\RunnerFactory;
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use NoccyLabs\Hotfix\Hotfix\HotfixLoader;
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class ApplyCommand extends Command
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{
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protected function configure()
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{
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$this->setName("apply");
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$this->setDescription("Apply a hotfix from a file or the Internet");
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$this->addOption("insecure", "I", InputOption::VALUE_NONE, "Disable signature checks. Don't use unless you know what you are doing!");
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$this->addOption("preview", "p", InputOption::VALUE_NONE, "Only preview the hotfix script, don't apply anything");
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$this->addArgument("hotfix", InputArgument::OPTIONAL, "The identifier or filename of the hotfix");
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$this->output = $output;
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$fix = $input->getArgument("hotfix");
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if (!$fix) {
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$output->writeln("No hotfix specified.");
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return;
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}
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//$loader = new Loader();
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$output->writeln("Reading hotfix <comment>{$fix}</comment>...");
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try {
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$hotfix = HotfixLoader::load($fix);
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//$hotfix = $loader->load($fix, $insecure);
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} catch (\Exception $e) {
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$output->writeln("<error>Error: ".$e->getMessage()."</error>");
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return;
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}
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$output->writeln("");
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$header = $hotfix->getHeader();
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$output->writeln(" Hotfix: <fg=yellow;options=bold>".$header->getName()."</fg=yellow;options=bold>");
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$output->writeln(" Author: <comment>".$header->getAuthor()."</comment>");
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$info = explode("\n",wordwrap(trim($header->getInfo()), 60));
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$info = "<comment>".join("</comment>\n <comment>", $info)."</comment>";
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$output->writeln(" Info: ".$info);
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$output->writeln("");
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if (!$this->checkSignature($hotfix, $output)) {
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if (!$input->getOption('insecure')) {
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$output->writeln("<error>Hotfix can not be authenticated. Aborting!</error>");
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return;
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}
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}
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if (!$this->checkRequirements($hotfix, $output)) {
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$output->writeln("<error>Error: This hotfix it not compatible with the current distribution</>");
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return;
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}
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$output->writeln("");
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if ($input->getOption("preview")) {
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$output->writeln("This is the script that will be executed:");
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$body = $hotfix->getBody();
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$body = "<fg=cyan> ".join("\n ", explode("\n",$body))."</fg=cyan>";
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$output->writeln($body);
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return;
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}
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$helper = $this->getHelper("question");
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$question = new ConfirmationQuestion("Do you want to apply this hotfix? [y/N] ", false);
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if (!$helper->ask($input, $output, $question)) {
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return;
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}
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$output->writeln("\n<info>Applying hotfix...</info>\n");
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try {
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$hotfix->apply();
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} catch (\Exception $e) {
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$output->writeln("\n<error>Error: ".$e->getMessage()."</error>");
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}
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$output->writeln("\n<info>Hotfix applied successfully</info>");
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}
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private function checkSignature(Hotfix $hotfix, OutputInterface $output)
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{
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$signature = $hotfix->getSignature();
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if ($signature->isValid()) {
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$keyid = $signature->getKeyId();
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$signer = $signature->getSigner();
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$output->writeln("Hotfix has good signature from <fg=green;options=bold>{$signer}</fg=green;options=bold> (keyid <info>{$keyid}</info>)");
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} else {
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$error = $signature->getError();
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$output->writeln("<fg=red;options=bold>Warning: {$error}</fg=red;options=bold>");
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}
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}
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private function checkRequirements(Hotfix $hotfix, OutputInterface $output)
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{
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$requires = $hotfix->getHeader()->getRequirements();
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if (count($requires)>0) {
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$engine = new ExpressionLanguage();
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$facts = Facts::getSystemFacts()->getFacts();
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while (true) {
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$expr = array_shift($requires);
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$ret = $engine->evaluate($expr, $facts);
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if ($ret) {
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//$output->writeln("<fg=green;options=bold>Hotfix is compatible with the current distribution</>");
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break;
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}
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if (count($requires)==0) {
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return false;
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}
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}
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}
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return true;
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}
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}
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