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<?php |
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|
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namespace Elementor\Modules\AtomicWidgets\TemplateRenderer; |
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|
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use ElementorDeps\Twig\Error\LoaderError; |
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use ElementorDeps\Twig\Loader\LoaderInterface; |
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use ElementorDeps\Twig\Source; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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class Single_File_Loader implements LoaderInterface { |
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private $templates = []; |
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|
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private $validity_cache = []; |
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|
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public function getSourceContext( string $name ): Source { |
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$path = $this->get_template_path( $name ); |
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|
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return new Source( |
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// This is safe to use because we're validating the file path inside `get_template_path`. |
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// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents |
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file_get_contents( $path ), |
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$name, |
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$path |
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); |
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} |
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|
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public function getCacheKey( string $name ): string { |
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return $this->get_template_path( $name ); |
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} |
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|
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public function isFresh( string $name, int $time ): bool { |
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$path = $this->get_template_path( $name ); |
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|
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return filemtime( $path ) < $time; |
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} |
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|
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public function exists( string $name ) { |
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$path = $this->templates[ $name ] ?? null; |
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|
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return $this->is_valid_file( $path ); |
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} |
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|
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public function is_registered( string $name ): bool { |
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return isset( $this->templates[ $name ] ); |
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} |
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|
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public function register( string $name, string $path ): self { |
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if ( ! $this->is_valid_file( $path ) ) { |
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throw new LoaderError( esc_html( "Invalid template '{$name}': {$path}" ) ); |
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} |
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|
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$this->templates[ $name ] = $path; |
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|
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return $this; |
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} |
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|
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private function get_template_path( string $name ): string { |
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$path = $this->templates[ $name ] ?? null; |
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|
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if ( ! $this->is_valid_file( $path ) ) { |
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throw new LoaderError( esc_html( "Invalid template '{$name}': {$path}" ) ); |
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} |
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|
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return $path; |
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} |
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|
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private function is_valid_file( $path ): bool { |
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if ( ! $path ) { |
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return false; |
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} |
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|
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if ( isset( $this->validity_cache[ $path ] ) ) { |
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return $this->validity_cache[ $path ]; |
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} |
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|
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// Ref: https://github.com/twigphp/Twig/blob/8432946eeeca009d75fc7fc568f3c3f4650f5a0f/src/Loader/FilesystemLoader.php#L260 |
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if ( str_contains( $path, "\0" ) ) { |
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throw new LoaderError( 'A template name cannot contain NULL bytes.' ); |
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} |
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|
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$is_valid = is_file( $path ) && is_readable( $path ); |
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|
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$this->validity_cache[ $path ] = $is_valid; |
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|
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return $is_valid; |
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} |
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} |
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|
