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'mysqli',
'php-curl' => 'curl',
'php-mbstring' => 'mbstring',
'php-gd' => 'gd',
];
foreach ($extensions as $name => $ext) {
$loaded = extension_loaded($ext);
$phpExtensions[] = [
'name' => "$name installed",
'passed' => $loaded,
'value' => $loaded ? 'Installed' : 'Not Installed',
];
}
// Section: PHP Configuration
$phpConfig = [];
// Check if shell_exec is enabled
$disabled_functions = explode(',', ini_get('disable_functions'));
$disabled_functions = array_map('trim', $disabled_functions);
$shell_exec_enabled = !in_array('shell_exec', $disabled_functions);
$phpConfig[] = [
'name' => 'shell_exec is enabled',
'passed' => $shell_exec_enabled,
'value' => $shell_exec_enabled ? 'Enabled' : 'Disabled',
];
// Check upload_max_filesize and post_max_size >= 500M
function return_bytes($val) {
$val = trim($val);
$unit = strtolower(substr($val, -1));
$num = (float)$val;
switch ($unit) {
case 'g':
$num *= 1024;
case 'm':
$num *= 1024;
case 'k':
$num *= 1024;
}
return $num;
}
$required_bytes = 500 * 1024 * 1024; // 500M in bytes
$upload_max_filesize = ini_get('upload_max_filesize');
$post_max_size = ini_get('post_max_size');
$upload_passed = return_bytes($upload_max_filesize) >= $required_bytes;
$post_passed = return_bytes($post_max_size) >= $required_bytes;
$phpConfig[] = [
'name' => 'upload_max_filesize >= 500M',
'passed' => $upload_passed,
'value' => $upload_max_filesize,
];
$phpConfig[] = [
'name' => 'post_max_size >= 500M',
'passed' => $post_passed,
'value' => $post_max_size,
];
// Check PHP version >= 8.2.0
$php_version = PHP_VERSION;
$php_passed = version_compare($php_version, '8.2.0', '>=');
$phpConfig[] = [
'name' => 'PHP version >= 8.2.0',
'passed' => $php_passed,
'value' => $php_version,
];
// Section: Shell Commands
$shellCommands = [];
if ($shell_exec_enabled) {
$commands = ['git'];
foreach ($commands as $command) {
$which = trim(shell_exec("which $command 2>/dev/null"));
$exists = !empty($which);
$shellCommands[] = [
'name' => "Command '$command' available",
'passed' => $exists,
'value' => $exists ? $which : 'Not Found',
];
}
} else {
// If shell_exec is disabled, mark commands as unavailable
foreach (['git'] as $command) {
$shellCommands[] = [
'name' => "Command '$command' available",
'passed' => false,
'value' => 'shell_exec Disabled',
];
}
}
// Section: SSL Checks
$sslChecks = [];
// Check if accessing via HTTPS
$https = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || $_SERVER['SERVER_PORT'] == 443;
$sslChecks[] = [
'name' => 'Accessing via HTTPS',
'passed' => $https,
'value' => $https ? 'Yes' : 'No',
];
// SSL Certificate Validity Check
if ($https) {
$streamContext = stream_context_create(["ssl" => ["capture_peer_cert" => true]]);
$socket = @stream_socket_client("ssl://{$_SERVER['HTTP_HOST']}:443", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $streamContext);
if ($socket) {
$params = stream_context_get_params($socket);
$cert = $params['options']['ssl']['peer_certificate'];
$certInfo = openssl_x509_parse($cert);
$validFrom = $certInfo['validFrom_time_t'];
$validTo = $certInfo['validTo_time_t'];
$currentTime = time();
$certValid = ($currentTime >= $validFrom && $currentTime <= $validTo);
$sslChecks[] = [
'name' => 'SSL Certificate is valid',
'passed' => $certValid,
'value' => $certValid ? 'Valid' : 'Invalid or Expired',
];
} else {
$sslChecks[] = [
'name' => 'SSL Certificate is valid',
'passed' => false,
'value' => 'Unable to retrieve certificate',
];
}
} else {
$sslChecks[] = [
'name' => 'SSL Certificate is valid',
'passed' => false,
'value' => 'Not using HTTPS',
];
}
// Section: Domain Checks
$domainChecks = [];
// Check if the site has a valid FQDN
$fqdn = $_SERVER['HTTP_HOST'];
$isValidFqdn = (bool) filter_var('http://' . $fqdn, FILTER_VALIDATE_URL) && preg_match('/^[a-z0-9.-]+\.[a-z]{2,}$/i', $fqdn);
$domainChecks[] = [
'name' => 'Site has a valid FQDN',
'passed' => $isValidFqdn,
'value' => $fqdn,
];
// Section: File Permissions
$filePermissions = [];
// Check if web user has write access to webroot directory
$webroot = $_SERVER['DOCUMENT_ROOT'];
$writable = is_writable($webroot);
$filePermissions[] = [
'name' => 'Web user has write access to webroot directory',
'passed' => $writable,
'value' => $webroot,
];
?>
PHP Extensions
PHP Configuration
Shell Commands
SSL Checks
Domain Checks
File Permissions
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