reactiveData/plt/runSandboxedPython.inc.php
2025-06-08 11:54:19 +01:00

51 lines
1.6 KiB
PHP

<?php
/**
* Runs dynamically generated Python code in a sandboxed environment.
*
* @param string $code The Python code to execute.
* @param string &$stdout Captured standard output from the execution.
* @param string &$stderr Captured standard error from the execution.
*
* @return int Exit code of the executed Python script (0 means success).
*/
function runSandboxedPython($code, &$stdout = null, &$stderr = null) {
// Create a temporary file to hold the Python code
$tempFile = tempnam(sys_get_temp_dir(), 'sandboxed_') . '.py';
echo "Creating ".redText("python temp code file")." for sandboxed execution at: $tempFile \n";
// Write the generated Python code to the temporary file
file_put_contents($tempFile, $code);
// Prepare the command for executing the Python code
$command = "/usr/bin/python3 " . escapeshellarg($tempFile);
// Descriptor spec to capture stdout and stderr
$descriptorspec = [
1 => ['pipe', 'w'], // stdout
2 => ['pipe', 'w'], // stderr
];
// Execute the Python code using proc_open
$process = proc_open($command, $descriptorspec, $pipes);
if (!is_resource($process)) {
unlink($tempFile);
throw new Exception('Failed to execute sandboxed Python code.');
}
// Capture stdout and stderr
$stdout = stream_get_contents($pipes[1]);
fclose($pipes[1]);
$stderr = stream_get_contents($pipes[2]);
fclose($pipes[2]);
// Get the exit code
$exitCode = proc_close($process);
// Cleanup temporary file
unlink($tempFile);
return $exitCode;
}