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<?php |
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|
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/* |
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* This file is part of Twig. |
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* |
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* (c) Fabien Potencier |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ElementorDeps\Twig\Extension; |
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|
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use ElementorDeps\Twig\Environment; |
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use ElementorDeps\Twig\FileExtensionEscapingStrategy; |
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use ElementorDeps\Twig\Node\Expression\ConstantExpression; |
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use ElementorDeps\Twig\Node\Expression\Filter\RawFilter; |
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use ElementorDeps\Twig\Node\Node; |
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use ElementorDeps\Twig\NodeVisitor\EscaperNodeVisitor; |
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use ElementorDeps\Twig\Runtime\EscaperRuntime; |
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use ElementorDeps\Twig\TokenParser\AutoEscapeTokenParser; |
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use ElementorDeps\Twig\TwigFilter; |
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final class EscaperExtension extends AbstractExtension |
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{ |
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private $environment; |
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private $escapers = []; |
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private $escaper; |
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private $defaultStrategy; |
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/** |
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* @param string|false|callable $defaultStrategy An escaping strategy |
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* |
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* @see setDefaultStrategy() |
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*/ |
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public function __construct($defaultStrategy = 'html') |
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{ |
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$this->setDefaultStrategy($defaultStrategy); |
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} |
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public function getTokenParsers() : array |
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{ |
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return [new AutoEscapeTokenParser()]; |
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} |
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public function getNodeVisitors() : array |
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{ |
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return [new EscaperNodeVisitor()]; |
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} |
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public function getFilters() : array |
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{ |
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return [new TwigFilter('escape', [EscaperRuntime::class, 'escape'], ['is_safe_callback' => [self::class, 'escapeFilterIsSafe']]), new TwigFilter('e', [EscaperRuntime::class, 'escape'], ['is_safe_callback' => [self::class, 'escapeFilterIsSafe']]), new TwigFilter('raw', null, ['is_safe' => ['all'], 'node_class' => RawFilter::class])]; |
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} |
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/** |
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* @deprecated since Twig 3.10 |
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*/ |
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public function setEnvironment(Environment $environment, bool $triggerDeprecation = \true) : void |
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{ |
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if ($triggerDeprecation) { |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated and not needed if you are using methods from "Twig\\Runtime\\EscaperRuntime".', __METHOD__); |
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} |
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$this->environment = $environment; |
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$this->escaper = $environment->getRuntime(EscaperRuntime::class); |
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} |
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/** |
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* @deprecated since Twig 3.10 |
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*/ |
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public function setEscaperRuntime(EscaperRuntime $escaper) |
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{ |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated and not needed if you are using methods from "Twig\\Runtime\\EscaperRuntime".', __METHOD__); |
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$this->escaper = $escaper; |
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} |
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/** |
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* Sets the default strategy to use when not defined by the user. |
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* |
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* The strategy can be a valid PHP callback that takes the template |
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* name as an argument and returns the strategy to use. |
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* |
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* @param string|false|callable(string $templateName): string $defaultStrategy An escaping strategy |
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*/ |
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public function setDefaultStrategy($defaultStrategy) : void |
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{ |
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if ('name' === $defaultStrategy) { |
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$defaultStrategy = [FileExtensionEscapingStrategy::class, 'guess']; |
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} |
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$this->defaultStrategy = $defaultStrategy; |
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} |
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/** |
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* Gets the default strategy to use when not defined by the user. |
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* |
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* @param string $name The template name |
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* |
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* @return string|false The default strategy to use for the template |
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*/ |
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public function getDefaultStrategy(string $name) |
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{ |
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// disable string callables to avoid calling a function named html or js, |
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// or any other upcoming escaping strategy |
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if (!\is_string($this->defaultStrategy) && \false !== $this->defaultStrategy) { |
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return \call_user_func($this->defaultStrategy, $name); |
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} |
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return $this->defaultStrategy; |
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} |
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/** |
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* Defines a new escaper to be used via the escape filter. |
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* |
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* @param string $strategy The strategy name that should be used as a strategy in the escape call |
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* @param callable(Environment, string, string): string $callable A valid PHP callable |
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* |
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* @deprecated since Twig 3.10 |
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*/ |
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public function setEscaper($strategy, callable $callable) |
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{ |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated, use the "Twig\\Runtime\\EscaperRuntime::setEscaper()" method instead (be warned that Environment is not passed anymore to the callable).', __METHOD__); |
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if (!isset($this->environment)) { |
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throw new \LogicException(\sprintf('You must call "setEnvironment()" before calling "%s()".', __METHOD__)); |
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} |
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$this->escapers[$strategy] = $callable; |
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$callable = function ($string, $charset) use($callable) { |
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return $callable($this->environment, $string, $charset); |
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}; |
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$this->escaper->setEscaper($strategy, $callable); |
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} |
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/** |
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* Gets all defined escapers. |
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* |
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* @return array<string, callable(Environment, string, string): string> An array of escapers |
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* |
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* @deprecated since Twig 3.10 |
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*/ |
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public function getEscapers() |
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{ |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated, use the "Twig\\Runtime\\EscaperRuntime::getEscaper()" method instead.', __METHOD__); |
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return $this->escapers; |
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} |
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/** |
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* @deprecated since Twig 3.10 |
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*/ |
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public function setSafeClasses(array $safeClasses = []) |
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{ |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated, use the "Twig\\Runtime\\EscaperRuntime::setSafeClasses()" method instead.', __METHOD__); |
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if (!isset($this->escaper)) { |
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throw new \LogicException(\sprintf('You must call "setEnvironment()" before calling "%s()".', __METHOD__)); |
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} |
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$this->escaper->setSafeClasses($safeClasses); |
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} |
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/** |
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* @deprecated since Twig 3.10 |
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*/ |
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public function addSafeClass(string $class, array $strategies) |
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{ |
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trigger_deprecation('twig/twig', '3.10', 'The "%s()" method is deprecated, use the "Twig\\Runtime\\EscaperRuntime::addSafeClass()" method instead.', __METHOD__); |
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if (!isset($this->escaper)) { |
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throw new \LogicException(\sprintf('You must call "setEnvironment()" before calling "%s()".', __METHOD__)); |
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} |
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$this->escaper->addSafeClass($class, $strategies); |
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} |
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/** |
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* @internal |
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*/ |
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public static function escapeFilterIsSafe(Node $filterArgs) |
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{ |
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foreach ($filterArgs as $arg) { |
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if ($arg instanceof ConstantExpression) { |
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return [$arg->getAttribute('value')]; |
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} |
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return []; |
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} |
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return ['html']; |
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} |
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} |
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|