379 lines
13 KiB
PHP
379 lines
13 KiB
PHP
|
<?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\DependencyInjection;
|
||
|
|
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\EnvNotFoundException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\ParameterCircularReferenceException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
|
||
|
|
use Symfony\Contracts\Service\ResetInterface;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
||
|
|
*/
|
||
|
|
class EnvVarProcessor implements EnvVarProcessorInterface, ResetInterface
|
||
|
|
{
|
||
|
|
private ContainerInterface $container;
|
||
|
|
/** @var \Traversable<EnvVarLoaderInterface> */
|
||
|
|
private \Traversable $loaders;
|
||
|
|
/** @var \Traversable<EnvVarLoaderInterface> */
|
||
|
|
private \Traversable $originalLoaders;
|
||
|
|
private array $loadedVars = [];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param \Traversable<EnvVarLoaderInterface>|null $loaders
|
||
|
|
*/
|
||
|
|
public function __construct(ContainerInterface $container, ?\Traversable $loaders = null)
|
||
|
|
{
|
||
|
|
$this->container = $container;
|
||
|
|
$this->originalLoaders = $this->loaders = $loaders ?? new \ArrayIterator();
|
||
|
|
}
|
||
|
|
|
||
|
|
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',
|
||
|
|
'enum' => \BackedEnum::class,
|
||
|
|
'shuffle' => 'array',
|
||
|
|
'defined' => 'bool',
|
||
|
|
'urlencode' => 'string',
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
|
||
|
|
{
|
||
|
|
$i = strpos($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 ('enum' === $prefix) {
|
||
|
|
if (false === $i) {
|
||
|
|
throw new RuntimeException(sprintf('Invalid env "enum:%s": a "%s" class-string should be provided.', $name, \BackedEnum::class));
|
||
|
|
}
|
||
|
|
|
||
|
|
$next = substr($name, $i + 1);
|
||
|
|
$backedEnumClassName = substr($name, 0, $i);
|
||
|
|
$backedEnumValue = $getEnv($next);
|
||
|
|
|
||
|
|
if (!\is_string($backedEnumValue) && !\is_int($backedEnumValue)) {
|
||
|
|
throw new RuntimeException(sprintf('Resolved value of "%s" did not result in a string or int value.', $next));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!is_subclass_of($backedEnumClassName, \BackedEnum::class)) {
|
||
|
|
throw new RuntimeException(sprintf('"%s" is not a "%s".', $backedEnumClassName, \BackedEnum::class));
|
||
|
|
}
|
||
|
|
|
||
|
|
return $backedEnumClassName::tryFrom($backedEnumValue) ?? throw new RuntimeException(sprintf('Enum value "%s" is not backed by "%s".', $backedEnumValue, $backedEnumClassName));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('defined' === $prefix) {
|
||
|
|
try {
|
||
|
|
return '' !== ($getEnv($name) ?? '');
|
||
|
|
} catch (EnvNotFoundException) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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) {
|
||
|
|
// 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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$returnNull = false;
|
||
|
|
if ('' === $prefix) {
|
||
|
|
if ('' === $name) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
$returnNull = true;
|
||
|
|
$prefix = 'string';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false !== $i || 'string' !== $prefix) {
|
||
|
|
$env = $getEnv($name);
|
||
|
|
} elseif ('' === ($env = $_ENV[$name] ?? (str_starts_with($name, 'HTTP_') ? null : ($_SERVER[$name] ?? null)))
|
||
|
|
|| (false !== $env && false === $env ??= getenv($name) ?? false) // null is a possible value because of thread safety issues
|
||
|
|
) {
|
||
|
|
foreach ($this->loadedVars as $i => $vars) {
|
||
|
|
if (false === $env = $vars[$name] ?? $env) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ($env instanceof \Stringable) {
|
||
|
|
$this->loadedVars[$i][$name] = $env = (string) $env;
|
||
|
|
}
|
||
|
|
if ('' !== ($env ?? '')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false === $env || '' === $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] ?? $env) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ($env instanceof \Stringable) {
|
||
|
|
$this->loadedVars[array_key_last($this->loadedVars)][$name] = $env = (string) $env;
|
||
|
|
}
|
||
|
|
if ('' !== ($env ?? '')) {
|
||
|
|
$ended = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($ended || $count === $i) {
|
||
|
|
$loaders = $this->loaders;
|
||
|
|
}
|
||
|
|
} catch (ParameterCircularReferenceException) {
|
||
|
|
// skip loaders that need an env var that is not defined
|
||
|
|
} finally {
|
||
|
|
$this->loaders = $loaders;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false === $env) {
|
||
|
|
if (!$this->container->hasParameter("env($name)")) {
|
||
|
|
throw new EnvNotFoundException(sprintf('Environment variable not found: "%s".', $name));
|
||
|
|
}
|
||
|
|
|
||
|
|
$env = $this->container->getParameter("env($name)");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $env) {
|
||
|
|
if ($returnNull) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($this->getProvidedTypes()[$prefix])) {
|
||
|
|
throw new RuntimeException(sprintf('Unsupported env var prefix "%s".', $prefix));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!\in_array($prefix, ['string', 'bool', 'not', 'int', 'float'], true)) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('shuffle' === $prefix) {
|
||
|
|
\is_array($env) ? shuffle($env) : throw new RuntimeException(sprintf('Env var "%s" cannot be shuffled, expected array, got "%s".', $name, get_debug_type($env)));
|
||
|
|
|
||
|
|
return $env;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $env && !\is_scalar($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_BOOL) ?: filter_var($env, \FILTER_VALIDATE_INT) ?: filter_var($env, \FILTER_VALIDATE_FLOAT));
|
||
|
|
|
||
|
|
return 'not' === $prefix xor $env;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('int' === $prefix) {
|
||
|
|
if (null !== $env && 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 (null !== $env && 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) {
|
||
|
|
$params = parse_url($env);
|
||
|
|
|
||
|
|
if (false === $params) {
|
||
|
|
throw new RuntimeException(sprintf('Invalid URL in env var "%s".', $name));
|
||
|
|
}
|
||
|
|
if (!isset($params['scheme'], $params['host'])) {
|
||
|
|
throw new RuntimeException(sprintf('Invalid URL env var "%s": schema and host expected, "%s" given.', $name, $env));
|
||
|
|
}
|
||
|
|
$params += [
|
||
|
|
'port' => null,
|
||
|
|
'user' => null,
|
||
|
|
'pass' => null,
|
||
|
|
'path' => null,
|
||
|
|
'query' => null,
|
||
|
|
'fragment' => null,
|
||
|
|
];
|
||
|
|
|
||
|
|
$params['user'] = null !== $params['user'] ? rawurldecode($params['user']) : null;
|
||
|
|
$params['pass'] = null !== $params['pass'] ? rawurldecode($params['pass']) : null;
|
||
|
|
|
||
|
|
// remove the '/' separator
|
||
|
|
$params['path'] = '/' === ($params['path'] ?? '/') ? '' : substr($params['path'], 1);
|
||
|
|
|
||
|
|
return $params;
|
||
|
|
}
|
||
|
|
|
||
|
|
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 (str_starts_with($match[1], 'env(') && str_ends_with($match[1], ')') && '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 '' === $env ? [] : str_getcsv($env, ',', '"', '');
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('trim' === $prefix) {
|
||
|
|
return trim($env);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('urlencode' === $prefix) {
|
||
|
|
return rawurlencode($env);
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new RuntimeException(sprintf('Unsupported env var prefix "%s" for env name "%s".', $prefix, $name));
|
||
|
|
}
|
||
|
|
|
||
|
|
public function reset(): void
|
||
|
|
{
|
||
|
|
$this->loadedVars = [];
|
||
|
|
$this->loaders = $this->originalLoaders;
|
||
|
|
}
|
||
|
|
}
|