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								vendor/symfony/process/Pipes/AbstractPipes.php
									
									
									
									
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							| @@ -0,0 +1,178 @@ | ||||
| <?php | ||||
|  | ||||
| /* | ||||
|  * This file is part of the Symfony package. | ||||
|  * | ||||
|  * (c) Fabien Potencier <fabien@symfony.com> | ||||
|  * | ||||
|  * For the full copyright and license information, please view the LICENSE | ||||
|  * file that was distributed with this source code. | ||||
|  */ | ||||
|  | ||||
| namespace Symfony\Component\Process\Pipes; | ||||
|  | ||||
| use Symfony\Component\Process\Exception\InvalidArgumentException; | ||||
|  | ||||
| /** | ||||
|  * @author Romain Neutron <imprec@gmail.com> | ||||
|  * | ||||
|  * @internal | ||||
|  */ | ||||
| abstract class AbstractPipes implements PipesInterface | ||||
| { | ||||
|     public $pipes = []; | ||||
|  | ||||
|     private $inputBuffer = ''; | ||||
|     private $input; | ||||
|     private $blocked = true; | ||||
|     private $lastError; | ||||
|  | ||||
|     /** | ||||
|      * @param resource|string|int|float|bool|\Iterator|null $input | ||||
|      */ | ||||
|     public function __construct($input) | ||||
|     { | ||||
|         if (\is_resource($input) || $input instanceof \Iterator) { | ||||
|             $this->input = $input; | ||||
|         } elseif (\is_string($input)) { | ||||
|             $this->inputBuffer = $input; | ||||
|         } else { | ||||
|             $this->inputBuffer = (string) $input; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function close() | ||||
|     { | ||||
|         foreach ($this->pipes as $pipe) { | ||||
|             fclose($pipe); | ||||
|         } | ||||
|         $this->pipes = []; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Returns true if a system call has been interrupted. | ||||
|      * | ||||
|      * @return bool | ||||
|      */ | ||||
|     protected function hasSystemCallBeenInterrupted() | ||||
|     { | ||||
|         $lastError = $this->lastError; | ||||
|         $this->lastError = null; | ||||
|  | ||||
|         // stream_select returns false when the `select` system call is interrupted by an incoming signal | ||||
|         return null !== $lastError && false !== stripos($lastError, 'interrupted system call'); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Unblocks streams. | ||||
|      */ | ||||
|     protected function unblock() | ||||
|     { | ||||
|         if (!$this->blocked) { | ||||
|             return; | ||||
|         } | ||||
|  | ||||
|         foreach ($this->pipes as $pipe) { | ||||
|             stream_set_blocking($pipe, 0); | ||||
|         } | ||||
|         if (\is_resource($this->input)) { | ||||
|             stream_set_blocking($this->input, 0); | ||||
|         } | ||||
|  | ||||
|         $this->blocked = false; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Writes input to stdin. | ||||
|      * | ||||
|      * @throws InvalidArgumentException When an input iterator yields a non supported value | ||||
|      */ | ||||
|     protected function write() | ||||
|     { | ||||
|         if (!isset($this->pipes[0])) { | ||||
|             return; | ||||
|         } | ||||
|         $input = $this->input; | ||||
|  | ||||
|         if ($input instanceof \Iterator) { | ||||
|             if (!$input->valid()) { | ||||
|                 $input = null; | ||||
|             } elseif (\is_resource($input = $input->current())) { | ||||
|                 stream_set_blocking($input, 0); | ||||
|             } elseif (!isset($this->inputBuffer[0])) { | ||||
|                 if (!\is_string($input)) { | ||||
|                     if (!is_scalar($input)) { | ||||
|                         throw new InvalidArgumentException(sprintf('%s yielded a value of type "%s", but only scalars and stream resources are supported', \get_class($this->input), \gettype($input))); | ||||
|                     } | ||||
|                     $input = (string) $input; | ||||
|                 } | ||||
|                 $this->inputBuffer = $input; | ||||
|                 $this->input->next(); | ||||
|                 $input = null; | ||||
|             } else { | ||||
|                 $input = null; | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         $r = $e = []; | ||||
|         $w = [$this->pipes[0]]; | ||||
|  | ||||
|         // let's have a look if something changed in streams | ||||
|         if (false === @stream_select($r, $w, $e, 0, 0)) { | ||||
|             return; | ||||
|         } | ||||
|  | ||||
|         foreach ($w as $stdin) { | ||||
|             if (isset($this->inputBuffer[0])) { | ||||
|                 $written = fwrite($stdin, $this->inputBuffer); | ||||
|                 $this->inputBuffer = substr($this->inputBuffer, $written); | ||||
|                 if (isset($this->inputBuffer[0])) { | ||||
|                     return [$this->pipes[0]]; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             if ($input) { | ||||
|                 for (;;) { | ||||
|                     $data = fread($input, self::CHUNK_SIZE); | ||||
|                     if (!isset($data[0])) { | ||||
|                         break; | ||||
|                     } | ||||
|                     $written = fwrite($stdin, $data); | ||||
|                     $data = substr($data, $written); | ||||
|                     if (isset($data[0])) { | ||||
|                         $this->inputBuffer = $data; | ||||
|  | ||||
|                         return [$this->pipes[0]]; | ||||
|                     } | ||||
|                 } | ||||
|                 if (feof($input)) { | ||||
|                     if ($this->input instanceof \Iterator) { | ||||
|                         $this->input->next(); | ||||
|                     } else { | ||||
|                         $this->input = null; | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         // no input to read on resource, buffer is empty | ||||
|         if (!isset($this->inputBuffer[0]) && !($this->input instanceof \Iterator ? $this->input->valid() : $this->input)) { | ||||
|             $this->input = null; | ||||
|             fclose($this->pipes[0]); | ||||
|             unset($this->pipes[0]); | ||||
|         } elseif (!$w) { | ||||
|             return [$this->pipes[0]]; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * @internal | ||||
|      */ | ||||
|     public function handleError($type, $msg) | ||||
|     { | ||||
|         $this->lastError = $msg; | ||||
|     } | ||||
| } | ||||
							
								
								
									
										67
									
								
								vendor/symfony/process/Pipes/PipesInterface.php
									
									
									
									
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								vendor/symfony/process/Pipes/PipesInterface.php
									
									
									
									
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							| @@ -0,0 +1,67 @@ | ||||
| <?php | ||||
|  | ||||
| /* | ||||
|  * This file is part of the Symfony package. | ||||
|  * | ||||
|  * (c) Fabien Potencier <fabien@symfony.com> | ||||
|  * | ||||
|  * For the full copyright and license information, please view the LICENSE | ||||
|  * file that was distributed with this source code. | ||||
|  */ | ||||
|  | ||||
| namespace Symfony\Component\Process\Pipes; | ||||
|  | ||||
| /** | ||||
|  * PipesInterface manages descriptors and pipes for the use of proc_open. | ||||
|  * | ||||
|  * @author Romain Neutron <imprec@gmail.com> | ||||
|  * | ||||
|  * @internal | ||||
|  */ | ||||
| interface PipesInterface | ||||
| { | ||||
|     const CHUNK_SIZE = 16384; | ||||
|  | ||||
|     /** | ||||
|      * Returns an array of descriptors for the use of proc_open. | ||||
|      * | ||||
|      * @return array | ||||
|      */ | ||||
|     public function getDescriptors(); | ||||
|  | ||||
|     /** | ||||
|      * Returns an array of filenames indexed by their related stream in case these pipes use temporary files. | ||||
|      * | ||||
|      * @return string[] | ||||
|      */ | ||||
|     public function getFiles(); | ||||
|  | ||||
|     /** | ||||
|      * Reads data in file handles and pipes. | ||||
|      * | ||||
|      * @param bool $blocking Whether to use blocking calls or not | ||||
|      * @param bool $close    Whether to close pipes if they've reached EOF | ||||
|      * | ||||
|      * @return string[] An array of read data indexed by their fd | ||||
|      */ | ||||
|     public function readAndWrite($blocking, $close = false); | ||||
|  | ||||
|     /** | ||||
|      * Returns if the current state has open file handles or pipes. | ||||
|      * | ||||
|      * @return bool | ||||
|      */ | ||||
|     public function areOpen(); | ||||
|  | ||||
|     /** | ||||
|      * Returns if pipes are able to read output. | ||||
|      * | ||||
|      * @return bool | ||||
|      */ | ||||
|     public function haveReadSupport(); | ||||
|  | ||||
|     /** | ||||
|      * Closes file handles and pipes. | ||||
|      */ | ||||
|     public function close(); | ||||
| } | ||||
							
								
								
									
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								vendor/symfony/process/Pipes/UnixPipes.php
									
									
									
									
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							| @@ -0,0 +1,153 @@ | ||||
| <?php | ||||
|  | ||||
| /* | ||||
|  * This file is part of the Symfony package. | ||||
|  * | ||||
|  * (c) Fabien Potencier <fabien@symfony.com> | ||||
|  * | ||||
|  * For the full copyright and license information, please view the LICENSE | ||||
|  * file that was distributed with this source code. | ||||
|  */ | ||||
|  | ||||
| namespace Symfony\Component\Process\Pipes; | ||||
|  | ||||
| use Symfony\Component\Process\Process; | ||||
|  | ||||
| /** | ||||
|  * UnixPipes implementation uses unix pipes as handles. | ||||
|  * | ||||
|  * @author Romain Neutron <imprec@gmail.com> | ||||
|  * | ||||
|  * @internal | ||||
|  */ | ||||
| class UnixPipes extends AbstractPipes | ||||
| { | ||||
|     private $ttyMode; | ||||
|     private $ptyMode; | ||||
|     private $haveReadSupport; | ||||
|  | ||||
|     public function __construct(?bool $ttyMode, bool $ptyMode, $input, bool $haveReadSupport) | ||||
|     { | ||||
|         $this->ttyMode = $ttyMode; | ||||
|         $this->ptyMode = $ptyMode; | ||||
|         $this->haveReadSupport = $haveReadSupport; | ||||
|  | ||||
|         parent::__construct($input); | ||||
|     } | ||||
|  | ||||
|     public function __destruct() | ||||
|     { | ||||
|         $this->close(); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function getDescriptors() | ||||
|     { | ||||
|         if (!$this->haveReadSupport) { | ||||
|             $nullstream = fopen('/dev/null', 'c'); | ||||
|  | ||||
|             return [ | ||||
|                 ['pipe', 'r'], | ||||
|                 $nullstream, | ||||
|                 $nullstream, | ||||
|             ]; | ||||
|         } | ||||
|  | ||||
|         if ($this->ttyMode) { | ||||
|             return [ | ||||
|                 ['file', '/dev/tty', 'r'], | ||||
|                 ['file', '/dev/tty', 'w'], | ||||
|                 ['file', '/dev/tty', 'w'], | ||||
|             ]; | ||||
|         } | ||||
|  | ||||
|         if ($this->ptyMode && Process::isPtySupported()) { | ||||
|             return [ | ||||
|                 ['pty'], | ||||
|                 ['pty'], | ||||
|                 ['pty'], | ||||
|             ]; | ||||
|         } | ||||
|  | ||||
|         return [ | ||||
|             ['pipe', 'r'], | ||||
|             ['pipe', 'w'], // stdout | ||||
|             ['pipe', 'w'], // stderr | ||||
|         ]; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function getFiles() | ||||
|     { | ||||
|         return []; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function readAndWrite($blocking, $close = false) | ||||
|     { | ||||
|         $this->unblock(); | ||||
|         $w = $this->write(); | ||||
|  | ||||
|         $read = $e = []; | ||||
|         $r = $this->pipes; | ||||
|         unset($r[0]); | ||||
|  | ||||
|         // let's have a look if something changed in streams | ||||
|         set_error_handler([$this, 'handleError']); | ||||
|         if (($r || $w) && false === stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1E6 : 0)) { | ||||
|             restore_error_handler(); | ||||
|             // if a system call has been interrupted, forget about it, let's try again | ||||
|             // otherwise, an error occurred, let's reset pipes | ||||
|             if (!$this->hasSystemCallBeenInterrupted()) { | ||||
|                 $this->pipes = []; | ||||
|             } | ||||
|  | ||||
|             return $read; | ||||
|         } | ||||
|         restore_error_handler(); | ||||
|  | ||||
|         foreach ($r as $pipe) { | ||||
|             // prior PHP 5.4 the array passed to stream_select is modified and | ||||
|             // lose key association, we have to find back the key | ||||
|             $read[$type = array_search($pipe, $this->pipes, true)] = ''; | ||||
|  | ||||
|             do { | ||||
|                 $data = fread($pipe, self::CHUNK_SIZE); | ||||
|                 $read[$type] .= $data; | ||||
|             } while (isset($data[0]) && ($close || isset($data[self::CHUNK_SIZE - 1]))); | ||||
|  | ||||
|             if (!isset($read[$type][0])) { | ||||
|                 unset($read[$type]); | ||||
|             } | ||||
|  | ||||
|             if ($close && feof($pipe)) { | ||||
|                 fclose($pipe); | ||||
|                 unset($this->pipes[$type]); | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $read; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function haveReadSupport() | ||||
|     { | ||||
|         return $this->haveReadSupport; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function areOpen() | ||||
|     { | ||||
|         return (bool) $this->pipes; | ||||
|     } | ||||
| } | ||||
							
								
								
									
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								vendor/symfony/process/Pipes/WindowsPipes.php
									
									
									
									
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							| @@ -0,0 +1,191 @@ | ||||
| <?php | ||||
|  | ||||
| /* | ||||
|  * This file is part of the Symfony package. | ||||
|  * | ||||
|  * (c) Fabien Potencier <fabien@symfony.com> | ||||
|  * | ||||
|  * For the full copyright and license information, please view the LICENSE | ||||
|  * file that was distributed with this source code. | ||||
|  */ | ||||
|  | ||||
| namespace Symfony\Component\Process\Pipes; | ||||
|  | ||||
| use Symfony\Component\Process\Exception\RuntimeException; | ||||
| use Symfony\Component\Process\Process; | ||||
|  | ||||
| /** | ||||
|  * WindowsPipes implementation uses temporary files as handles. | ||||
|  * | ||||
|  * @see https://bugs.php.net/bug.php?id=51800 | ||||
|  * @see https://bugs.php.net/bug.php?id=65650 | ||||
|  * | ||||
|  * @author Romain Neutron <imprec@gmail.com> | ||||
|  * | ||||
|  * @internal | ||||
|  */ | ||||
| class WindowsPipes extends AbstractPipes | ||||
| { | ||||
|     private $files = []; | ||||
|     private $fileHandles = []; | ||||
|     private $lockHandles = []; | ||||
|     private $readBytes = [ | ||||
|         Process::STDOUT => 0, | ||||
|         Process::STDERR => 0, | ||||
|     ]; | ||||
|     private $haveReadSupport; | ||||
|  | ||||
|     public function __construct($input, bool $haveReadSupport) | ||||
|     { | ||||
|         $this->haveReadSupport = $haveReadSupport; | ||||
|  | ||||
|         if ($this->haveReadSupport) { | ||||
|             // Fix for PHP bug #51800: reading from STDOUT pipe hangs forever on Windows if the output is too big. | ||||
|             // Workaround for this problem is to use temporary files instead of pipes on Windows platform. | ||||
|             // | ||||
|             // @see https://bugs.php.net/bug.php?id=51800 | ||||
|             $pipes = [ | ||||
|                 Process::STDOUT => Process::OUT, | ||||
|                 Process::STDERR => Process::ERR, | ||||
|             ]; | ||||
|             $tmpDir = sys_get_temp_dir(); | ||||
|             $lastError = 'unknown reason'; | ||||
|             set_error_handler(function ($type, $msg) use (&$lastError) { $lastError = $msg; }); | ||||
|             for ($i = 0;; ++$i) { | ||||
|                 foreach ($pipes as $pipe => $name) { | ||||
|                     $file = sprintf('%s\\sf_proc_%02X.%s', $tmpDir, $i, $name); | ||||
|  | ||||
|                     if (!$h = fopen($file.'.lock', 'w')) { | ||||
|                         restore_error_handler(); | ||||
|                         throw new RuntimeException(sprintf('A temporary file could not be opened to write the process output: %s', $lastError)); | ||||
|                     } | ||||
|                     if (!flock($h, LOCK_EX | LOCK_NB)) { | ||||
|                         continue 2; | ||||
|                     } | ||||
|                     if (isset($this->lockHandles[$pipe])) { | ||||
|                         flock($this->lockHandles[$pipe], LOCK_UN); | ||||
|                         fclose($this->lockHandles[$pipe]); | ||||
|                     } | ||||
|                     $this->lockHandles[$pipe] = $h; | ||||
|  | ||||
|                     if (!fclose(fopen($file, 'w')) || !$h = fopen($file, 'r')) { | ||||
|                         flock($this->lockHandles[$pipe], LOCK_UN); | ||||
|                         fclose($this->lockHandles[$pipe]); | ||||
|                         unset($this->lockHandles[$pipe]); | ||||
|                         continue 2; | ||||
|                     } | ||||
|                     $this->fileHandles[$pipe] = $h; | ||||
|                     $this->files[$pipe] = $file; | ||||
|                 } | ||||
|                 break; | ||||
|             } | ||||
|             restore_error_handler(); | ||||
|         } | ||||
|  | ||||
|         parent::__construct($input); | ||||
|     } | ||||
|  | ||||
|     public function __destruct() | ||||
|     { | ||||
|         $this->close(); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function getDescriptors() | ||||
|     { | ||||
|         if (!$this->haveReadSupport) { | ||||
|             $nullstream = fopen('NUL', 'c'); | ||||
|  | ||||
|             return [ | ||||
|                 ['pipe', 'r'], | ||||
|                 $nullstream, | ||||
|                 $nullstream, | ||||
|             ]; | ||||
|         } | ||||
|  | ||||
|         // We're not using pipe on Windows platform as it hangs (https://bugs.php.net/bug.php?id=51800) | ||||
|         // We're not using file handles as it can produce corrupted output https://bugs.php.net/bug.php?id=65650 | ||||
|         // So we redirect output within the commandline and pass the nul device to the process | ||||
|         return [ | ||||
|             ['pipe', 'r'], | ||||
|             ['file', 'NUL', 'w'], | ||||
|             ['file', 'NUL', 'w'], | ||||
|         ]; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function getFiles() | ||||
|     { | ||||
|         return $this->files; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function readAndWrite($blocking, $close = false) | ||||
|     { | ||||
|         $this->unblock(); | ||||
|         $w = $this->write(); | ||||
|         $read = $r = $e = []; | ||||
|  | ||||
|         if ($blocking) { | ||||
|             if ($w) { | ||||
|                 @stream_select($r, $w, $e, 0, Process::TIMEOUT_PRECISION * 1E6); | ||||
|             } elseif ($this->fileHandles) { | ||||
|                 usleep(Process::TIMEOUT_PRECISION * 1E6); | ||||
|             } | ||||
|         } | ||||
|         foreach ($this->fileHandles as $type => $fileHandle) { | ||||
|             $data = stream_get_contents($fileHandle, -1, $this->readBytes[$type]); | ||||
|  | ||||
|             if (isset($data[0])) { | ||||
|                 $this->readBytes[$type] += \strlen($data); | ||||
|                 $read[$type] = $data; | ||||
|             } | ||||
|             if ($close) { | ||||
|                 ftruncate($fileHandle, 0); | ||||
|                 fclose($fileHandle); | ||||
|                 flock($this->lockHandles[$type], LOCK_UN); | ||||
|                 fclose($this->lockHandles[$type]); | ||||
|                 unset($this->fileHandles[$type], $this->lockHandles[$type]); | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $read; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function haveReadSupport() | ||||
|     { | ||||
|         return $this->haveReadSupport; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function areOpen() | ||||
|     { | ||||
|         return $this->pipes && $this->fileHandles; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     public function close() | ||||
|     { | ||||
|         parent::close(); | ||||
|         foreach ($this->fileHandles as $type => $handle) { | ||||
|             ftruncate($handle, 0); | ||||
|             fclose($handle); | ||||
|             flock($this->lockHandles[$type], LOCK_UN); | ||||
|             fclose($this->lockHandles[$type]); | ||||
|         } | ||||
|         $this->fileHandles = $this->lockHandles = []; | ||||
|     } | ||||
| } | ||||
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