305 lines
10 KiB
PHP
305 lines
10 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;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
||
|
|
*/
|
||
|
|
class EnvVarProcessor implements EnvVarProcessorInterface
|
||
|
|
{
|
||
|
|
private $container;
|
||
|
|
private $loaders;
|
||
|
|
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()
|
||
|
|
{
|
||
|
|
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}
|
||
|
|
*/
|
||
|
|
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 $e) {
|
||
|
|
// 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]) && !str_starts_with($name, 'HTTP_')) {
|
||
|
|
$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 $e) {
|
||
|
|
// 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 (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' === $prefix) {
|
||
|
|
return str_getcsv($env, ',', '"', \PHP_VERSION_ID >= 70400 ? '' : '\\');
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('trim' === $prefix) {
|
||
|
|
return trim($env);
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new RuntimeException(sprintf('Unsupported env var prefix "%s" for env name "%s".', $prefix, $name));
|
||
|
|
}
|
||
|
|
}
|