123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154 |
- <?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\ParameterBag;
- use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
- use Symfony\Component\DependencyInjection\Exception\RuntimeException;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- */
- class EnvPlaceholderParameterBag extends ParameterBag
- {
- private $envPlaceholderUniquePrefix;
- private $envPlaceholders = [];
- private $unusedEnvPlaceholders = [];
- private $providedTypes = [];
- private static $counter = 0;
- /**
- * {@inheritdoc}
- */
- public function get(string $name)
- {
- if (0 === strpos($name, 'env(') && ')' === substr($name, -1) && 'env()' !== $name) {
- $env = substr($name, 4, -1);
- if (isset($this->envPlaceholders[$env])) {
- foreach ($this->envPlaceholders[$env] as $placeholder) {
- return $placeholder; // return first result
- }
- }
- if (isset($this->unusedEnvPlaceholders[$env])) {
- foreach ($this->unusedEnvPlaceholders[$env] as $placeholder) {
- return $placeholder; // return first result
- }
- }
- if (!preg_match('/^(?:[-.\w]*+:)*+\w++$/', $env)) {
- throw new InvalidArgumentException(sprintf('Invalid %s name: only "word" characters are allowed.', $name));
- }
- if ($this->has($name) && null !== ($defaultValue = parent::get($name)) && !\is_string($defaultValue)) {
- throw new RuntimeException(sprintf('The default value of an env() parameter must be a string or null, but "%s" given to "%s".', get_debug_type($defaultValue), $name));
- }
- $uniqueName = md5($name.'_'.self::$counter++);
- $placeholder = sprintf('%s_%s_%s', $this->getEnvPlaceholderUniquePrefix(), strtr($env, ':-.', '___'), $uniqueName);
- $this->envPlaceholders[$env][$placeholder] = $placeholder;
- return $placeholder;
- }
- return parent::get($name);
- }
- /**
- * Gets the common env placeholder prefix for env vars created by this bag.
- */
- public function getEnvPlaceholderUniquePrefix(): string
- {
- if (null === $this->envPlaceholderUniquePrefix) {
- $reproducibleEntropy = unserialize(serialize($this->parameters));
- array_walk_recursive($reproducibleEntropy, function (&$v) { $v = null; });
- $this->envPlaceholderUniquePrefix = 'env_'.substr(md5(serialize($reproducibleEntropy)), -16);
- }
- return $this->envPlaceholderUniquePrefix;
- }
- /**
- * Returns the map of env vars used in the resolved parameter values to their placeholders.
- *
- * @return string[][] A map of env var names to their placeholders
- */
- public function getEnvPlaceholders()
- {
- return $this->envPlaceholders;
- }
- public function getUnusedEnvPlaceholders(): array
- {
- return $this->unusedEnvPlaceholders;
- }
- public function clearUnusedEnvPlaceholders()
- {
- $this->unusedEnvPlaceholders = [];
- }
- /**
- * Merges the env placeholders of another EnvPlaceholderParameterBag.
- */
- public function mergeEnvPlaceholders(self $bag)
- {
- if ($newPlaceholders = $bag->getEnvPlaceholders()) {
- $this->envPlaceholders += $newPlaceholders;
- foreach ($newPlaceholders as $env => $placeholders) {
- $this->envPlaceholders[$env] += $placeholders;
- }
- }
- if ($newUnusedPlaceholders = $bag->getUnusedEnvPlaceholders()) {
- $this->unusedEnvPlaceholders += $newUnusedPlaceholders;
- foreach ($newUnusedPlaceholders as $env => $placeholders) {
- $this->unusedEnvPlaceholders[$env] += $placeholders;
- }
- }
- }
- /**
- * Maps env prefixes to their corresponding PHP types.
- */
- public function setProvidedTypes(array $providedTypes)
- {
- $this->providedTypes = $providedTypes;
- }
- /**
- * Gets the PHP types corresponding to env() parameter prefixes.
- *
- * @return string[][]
- */
- public function getProvidedTypes()
- {
- return $this->providedTypes;
- }
- /**
- * {@inheritdoc}
- */
- public function resolve()
- {
- if ($this->resolved) {
- return;
- }
- parent::resolve();
- foreach ($this->envPlaceholders as $env => $placeholders) {
- if ($this->has($name = "env($env)") && null !== ($default = $this->parameters[$name]) && !\is_string($default)) {
- throw new RuntimeException(sprintf('The default value of env parameter "%s" must be a string or null, "%s" given.', $env, get_debug_type($default)));
- }
- }
- }
- }
|