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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace RectorPrefix202308\Symfony\Component\DependencyInjection;
use RectorPrefix202308\Symfony\Component\DependencyInjection\Exception\EnvNotFoundException;
use RectorPrefix202308\Symfony\Component\DependencyInjection\Exception\ParameterCircularReferenceException;
use RectorPrefix202308\Symfony\Component\DependencyInjection\Exception\RuntimeException;
/**
* @author Nicolas Grekas <[email protected]>
*/
class EnvVarProcessor implements EnvVarProcessorInterface
{
/**
* @var \Symfony\Component\DependencyInjection\ContainerInterface
*/
private $container;
/**
* @var \Traversable
*/
private $loaders;
/**
* @var mixed[]
*/
private $loadedVars = [];
/**
* @param EnvVarLoaderInterface[] $loaders
*/
public function __construct(ContainerInterface $container, \Traversable $loaders = null)
{
$this->container = $container;
$this->loaders = $loaders ?? new \ArrayIterator();
}
/**
* {@inheritdoc}
*/
public static function getProvidedTypes() : array
{
return ['base64' => 'string', 'bool' => 'bool', 'not' => 'bool', 'const' => 'bool|int|float|string|array', 'csv' => 'array', 'file' => 'string', 'float' => 'float', 'int' => 'int', 'json' => 'array', 'key' => 'bool|int|float|string|array', 'url' => 'array', 'query_string' => 'array', 'resolve' => 'string', 'default' => 'bool|int|float|string|array', 'string' => 'string', 'trim' => 'string', 'require' => 'bool|int|float|string|array'];
}
/**
* {@inheritdoc}
* @return mixed
*/
public function getEnv(string $prefix, string $name, \Closure $getEnv)
{
$i = \strpos($name, ':');
if ('key' === $prefix) {
if (\false === $i) {
throw new RuntimeException(\sprintf('Invalid env "key:%s": a key specifier should be provided.', $name));
}
$next = \substr($name, $i + 1);
$key = \substr($name, 0, $i);
$array = $getEnv($next);
if (!\is_array($array)) {
throw new RuntimeException(\sprintf('Resolved value of "%s" did not result in an array value.', $next));
}
if (!isset($array[$key]) && !\array_key_exists($key, $array)) {
throw new EnvNotFoundException(\sprintf('Key "%s" not found in %s (resolved from "%s").', $key, \json_encode($array), $next));
}
return $array[$key];
}
if ('default' === $prefix) {
if (\false === $i) {
throw new RuntimeException(\sprintf('Invalid env "default:%s": a fallback parameter should be provided.', $name));
}
$next = \substr($name, $i + 1);
$default = \substr($name, 0, $i);
if ('' !== $default && !$this->container->hasParameter($default)) {
throw new RuntimeException(\sprintf('Invalid env fallback in "default:%s": parameter "%s" not found.', $name, $default));
}
try {
$env = $getEnv($next);
if ('' !== $env && null !== $env) {
return $env;
}
} catch (EnvNotFoundException $exception) {
// no-op
}
return '' === $default ? null : $this->container->getParameter($default);
}
if ('file' === $prefix || 'require' === $prefix) {
if (!\is_scalar($file = $getEnv($name))) {
throw new RuntimeException(\sprintf('Invalid file name: env var "%s" is non-scalar.', $name));
}
if (!\is_file($file)) {
throw new EnvNotFoundException(\sprintf('File "%s" not found (resolved from "%s").', $file, $name));
}
if ('file' === $prefix) {
return \file_get_contents($file);
} else {
return require $file;
}
}
if (\false !== $i || 'string' !== $prefix) {
$env = $getEnv($name);
} elseif (isset($_ENV[$name])) {
$env = $_ENV[$name];
} elseif (isset($_SERVER[$name]) && \strncmp($name, 'HTTP_', \strlen('HTTP_')) !== 0) {
$env = $_SERVER[$name];
} elseif (\false === ($env = \getenv($name)) || null === $env) {
// null is a possible value because of thread safety issues
foreach ($this->loadedVars as $vars) {
if (\false !== ($env = $vars[$name] ?? \false)) {
break;
}
}
if (\false === $env || null === $env) {
$loaders = $this->loaders;
$this->loaders = new \ArrayIterator();
try {
$i = 0;
$ended = \true;
$count = $loaders instanceof \Countable ? $loaders->count() : 0;
foreach ($loaders as $loader) {
if (\count($this->loadedVars) > $i++) {
continue;
}
$this->loadedVars[] = $vars = $loader->loadEnvVars();
if (\false !== ($env = $vars[$name] ?? \false)) {
$ended = \false;
break;
}
}
if ($ended || $count === $i) {
$loaders = $this->loaders;
}
} catch (ParameterCircularReferenceException $exception) {
// skip loaders that need an env var that is not defined
} finally {
$this->loaders = $loaders;
}
}
if (\false === $env || null === $env) {
if (!$this->container->hasParameter("env({$name})")) {
throw new EnvNotFoundException(\sprintf('Environment variable not found: "%s".', $name));
}
$env = $this->container->getParameter("env({$name})");
}
}
if (null === $env) {
if (!isset($this->getProvidedTypes()[$prefix])) {
throw new RuntimeException(\sprintf('Unsupported env var prefix "%s".', $prefix));
}
return null;
}
if (!\is_scalar($env)) {
throw new RuntimeException(\sprintf('Non-scalar env var "%s" cannot be cast to "%s".', $name, $prefix));
}
if ('string' === $prefix) {
return (string) $env;
}
if (\in_array($prefix, ['bool', 'not'], \true)) {
$env = (bool) ((\filter_var($env, \FILTER_VALIDATE_BOOLEAN) ?: \filter_var($env, \FILTER_VALIDATE_INT)) ?: \filter_var($env, \FILTER_VALIDATE_FLOAT));
return 'not' === $prefix ? !$env : $env;
}
if ('int' === $prefix) {
if (\false === ($env = \filter_var($env, \FILTER_VALIDATE_INT) ?: \filter_var($env, \FILTER_VALIDATE_FLOAT))) {
throw new RuntimeException(\sprintf('Non-numeric env var "%s" cannot be cast to int.', $name));
}
return (int) $env;
}
if ('float' === $prefix) {
if (\false === ($env = \filter_var($env, \FILTER_VALIDATE_FLOAT))) {
throw new RuntimeException(\sprintf('Non-numeric env var "%s" cannot be cast to float.', $name));
}
return (float) $env;
}
if ('const' === $prefix) {
if (!\defined($env)) {
throw new RuntimeException(\sprintf('Env var "%s" maps to undefined constant "%s".', $name, $env));
}
return \constant($env);
}
if ('base64' === $prefix) {
return \base64_decode(\strtr($env, '-_', '+/'));
}
if ('json' === $prefix) {
$env = \json_decode($env, \true);
if (\JSON_ERROR_NONE !== \json_last_error()) {
throw new RuntimeException(\sprintf('Invalid JSON in env var "%s": ', $name) . \json_last_error_msg());
}
if (null !== $env && !\is_array($env)) {
throw new RuntimeException(\sprintf('Invalid JSON env var "%s": array or null expected, "%s" given.', $name, \get_debug_type($env)));
}
return $env;
}
if ('url' === $prefix) {
$parsedEnv = \parse_url($env);
if (\false === $parsedEnv) {
throw new RuntimeException(\sprintf('Invalid URL in env var "%s".', $name));
}
if (!isset($parsedEnv['scheme'], $parsedEnv['host'])) {
throw new RuntimeException(\sprintf('Invalid URL env var "%s": schema and host expected, "%s" given.', $name, $env));
}
$parsedEnv += ['port' => null, 'user' => null, 'pass' => null, 'path' => null, 'query' => null, 'fragment' => null];
// remove the '/' separator
$parsedEnv['path'] = '/' === ($parsedEnv['path'] ?? '/') ? '' : \substr($parsedEnv['path'], 1);
return $parsedEnv;
}
if ('query_string' === $prefix) {
$queryString = \parse_url($env, \PHP_URL_QUERY) ?: $env;
\parse_str($queryString, $result);
return $result;
}
if ('resolve' === $prefix) {
return \preg_replace_callback('/%%|%([^%\\s]+)%/', function ($match) use($name, $getEnv) {
if (!isset($match[1])) {
return '%';
}
if (\strncmp($match[1], 'env(', \strlen('env(')) === 0 && \substr_compare($match[1], ')', -\strlen(')')) === 0 && 'env()' !== $match[1]) {
$value = $getEnv(\substr($match[1], 4, -1));
} else {
$value = $this->container->getParameter($match[1]);
}
if (!\is_scalar($value)) {
throw new RuntimeException(\sprintf('Parameter "%s" found when resolving env var "%s" must be scalar, "%s" given.', $match[1], $name, \get_debug_type($value)));
}
return $value;
}, $env);
}
if ('csv' === $prefix) {
return \str_getcsv($env, ',', '"', '');
}
if ('trim' === $prefix) {
return \trim($env);
}
throw new RuntimeException(\sprintf('Unsupported env var prefix "%s" for env name "%s".', $prefix, $name));
}
}