Add runtime check for minimum PCRE version for banned scripts

omines · Jun 18, 2024 · 9432026 · 9432026
1 parent d36f5ca
commit 9432026
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/Validator/Constraints/BannedScripts.php b/src/Validator/Constraints/BannedScripts.php
@@ -18,6 +18,8 @@
 #[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
 class BannedScripts extends AntiSpamConstraint
 {
+    public const MINIMUM_PCRE_VERSION = '10.40';
+
     /** @var Script[] */
     public array $scripts;
 
@@ -44,6 +46,10 @@ public function __construct(
     public function getCharacterClass(): string
     {
         if (!isset($this->characterClass)) {
+            /* @phpstan-ignore-next-line @infection-ignore-all impossible to test this check, and phpstan thinks it's a constant check */
+            if (version_compare(self::MINIMUM_PCRE_VERSION, PCRE_VERSION) > 0) {
+                throw new \LogicException(sprintf('PHP is using PCRE version %s but requires at least version %s to detect banned scripts. Update your PHP installation and/or operating system.', PCRE_VERSION, self::MINIMUM_PCRE_VERSION)); // @codeCoverageIgnore
+            }
             $this->characterClass = sprintf('[%s]', implode('', array_map(fn (Script $script) => sprintf('\\p{%s}', $script->value), $this->scripts)));
         }