93 lines
3.2 KiB
PHP
93 lines
3.2 KiB
PHP
<?php
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namespace Spark\Commands;
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use Symfony\Component\Console\Attribute\AsCommand;
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use Spark\Commands\Command;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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#[AsCommand(name:'pipe', description:'Filter or analyze data piped through the command')]
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class PipeCommand extends Command
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{
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public static string $HelpText;
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protected function configure()
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{
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$this->addOption("list-filters", null, InputOption::VALUE_NONE, "List the defined filters");
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$this->addOption("fdin", null, InputOption::VALUE_REQUIRED, "Input fd, for reading from", 0);
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$this->addOption("fdout", null, InputOption::VALUE_REQUIRED, "Output fd, for writing to", 1);
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$this->addOption("fderr", null, InputOption::VALUE_REQUIRED, "Error fd, for progress report and status", 2);
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$this->addArgument("filter", InputArgument::OPTIONAL, "Pipe filter");
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$this->addArgument("args", InputArgument::OPTIONAL|InputArgument::IS_ARRAY, "Arguments to the script");
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$this->registerDefaultFilters();
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$this->setHelp(self::$HelpText);
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}
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private function registerDefaultFilters()
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{
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register_filter("base64encode", "base64_encode");
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register_filter("base64decode", "base64_decode");
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register_filter("passwordhash", function ($in) {
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$trimmed = rtrim($in, "\n\r");
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$hashed = password_hash($trimmed, PASSWORD_BCRYPT);
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return str_replace($trimmed, $hashed, $in);
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});
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$env = $this->getEnvironment();
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if ($input->getOption("list-filters")) {
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$output->writeln(join(" ", get_registered_filters()));
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return Command::SUCCESS;
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}
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$fdin = "php://fd/".$input->getOption("fdin");
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$fdout = "php://fd/".$input->getOption("fdout");
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$fderr = "php://fd/".$input->getOption("fderr");
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$filtername = $input->getArgument("filter");
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if ($filtername) {
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$filter = get_filter($filtername);
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} else {
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$filter = null;
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}
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$fin = fopen($fdin, "rb");
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$fout = fopen($fdout, "wb");
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while (!feof($fin)) {
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$buf = fgets($fin);
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if (is_callable($filter)) $buf = $filter($buf);
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fputs($fout, $buf);
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}
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return Command::SUCCESS;
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}
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}
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PipeCommand::$HelpText = <<<HELP
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The <info>pipe</> command is used to filter data, or to track piping of data.
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\$ <comment>echo "mypassword" | spark pipe hashpassword > hashedpassword.txt</>
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\$ <comment>cat file.sql | spark pipe sqlinfo | mysql</>
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\$ <comment>cat input | spark pipe progress sizefrom=input | somecommand</>
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<options=bold>Registering filters</>
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To register a new filter, use the <info>register_filter</> helper function:
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<comment>register_filter("myfilter", function (\$in) {
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return strtolower(\$in);
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});</>
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The filter will be available like any built-in:
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<comment>\$ cat file | spark pipe myfilter > outfile</>
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HELP;
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