mirror of
https://github.com/osm-search/Nominatim.git
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93 lines
2.3 KiB
PHP
93 lines
2.3 KiB
PHP
<?php
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/**
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* This file is part of Nominatim. (https://nominatim.org)
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*
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* Copyright (C) 2022 by the Nominatim developer community.
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* For a full list of authors see the git log.
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*/
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namespace Nominatim;
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class Shell
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{
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public function __construct($sBaseCmd, ...$aParams)
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{
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if (!$sBaseCmd) {
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throw new \Exception('Command missing in new() call');
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}
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$this->baseCmd = $sBaseCmd;
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$this->aParams = array();
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$this->aEnv = null; // null = use the same environment as the current PHP process
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$this->stdoutString = null;
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foreach ($aParams as $sParam) {
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$this->addParams($sParam);
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}
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}
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public function addParams(...$aParams)
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{
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foreach ($aParams as $sParam) {
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if (isset($sParam) && $sParam !== null && $sParam !== '') {
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array_push($this->aParams, $sParam);
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}
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}
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return $this;
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}
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public function addEnvPair($sKey, $sVal)
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{
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if (isset($sKey) && $sKey && isset($sVal)) {
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if (!isset($this->aEnv)) {
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$this->aEnv = $_ENV;
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}
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$this->aEnv = array_merge($this->aEnv, array($sKey => $sVal), $_ENV);
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}
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return $this;
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}
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public function escapedCmd()
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{
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$aEscaped = array_map(function ($sParam) {
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return $this->escapeParam($sParam);
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}, array_merge(array($this->baseCmd), $this->aParams));
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return join(' ', $aEscaped);
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}
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public function run($bExitOnFail = false)
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{
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$sCmd = $this->escapedCmd();
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// $aEnv does not need escaping, proc_open seems to handle it fine
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$aFDs = array(
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0 => array('pipe', 'r'),
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1 => STDOUT,
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2 => STDERR
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);
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$aPipes = null;
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$hProc = @proc_open($sCmd, $aFDs, $aPipes, null, $this->aEnv);
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if (!is_resource($hProc)) {
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throw new \Exception('Unable to run command: ' . $sCmd);
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}
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fclose($aPipes[0]); // no stdin
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$iStat = proc_close($hProc);
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if ($iStat != 0 && $bExitOnFail) {
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exit($iStat);
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}
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return $iStat;
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}
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private function escapeParam($sParam)
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{
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return (preg_match('/^-*\w+$/', $sParam)) ? $sParam : escapeshellarg($sParam);
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}
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}
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