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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin\Services

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/**

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* Represents the file size service.

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class WPSEO_File_Size_Service {

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/**

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* Retrieves an indexable.

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* @param WP_REST_Request $request The request object.

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* @return WP_REST_Response The response.

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public function get( WP_REST_Request $request ) {

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try {

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$file_url = $this->get_file_url( $request );

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return new WP_REST_Response(

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[

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'type' => 'success',

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'size_in_bytes' => $this->get_file_size( $file_url ),

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200

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);

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}

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catch ( WPSEO_File_Size_Exception $exception ) {

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return new WP_REST_Response(

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[

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'type' => 'failure',

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'response' => $exception->getMessage(),

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404

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);

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}

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}

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/**

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* Retrieves the file url.

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* @param WP_REST_Request $request The request to retrieve file url from.

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* @return string The file url.

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* @throws WPSEO_File_Size_Exception The file is hosted externally.

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protected function get_file_url( WP_REST_Request $request ) {

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$file_url = rawurldecode( $request->get_param( 'url' ) );

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if ( ! $this->is_externally_hosted( $file_url ) ) {

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return $file_url;

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}

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throw WPSEO_File_Size_Exception::externally_hosted( $file_url );

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}

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/**

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* Checks if the file is hosted externally.

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* @param string $file_url The file url.

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* @return bool True if it is hosted externally.

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protected function is_externally_hosted( $file_url ) {

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return wp_parse_url( home_url(), PHP_URL_HOST ) !== wp_parse_url( $file_url, PHP_URL_HOST );

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}

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/**

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* Returns the file size.

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* @param string $file_url The file url to get the size for.

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* @return int The file size.

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* @throws WPSEO_File_Size_Exception Retrieval of file size went wrong for unknown reasons.

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protected function get_file_size( $file_url ) {

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$file_config = wp_upload_dir();

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$file_url = str_replace( $file_config['baseurl'], '', $file_url );

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$file_size = $this->calculate_file_size( $file_url );

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if ( ! $file_size ) {

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throw WPSEO_File_Size_Exception::unknown_error( $file_url );

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}

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return $file_size;

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}

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/**

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* Calculates the file size using the Utils class.

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* @param string $file_url The file to retrieve the size for.

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* @return int|bool The file size or False if it could not be retrieved.

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protected function calculate_file_size( $file_url ) {

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return WPSEO_Image_Utils::get_file_size(

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[

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'path' => $file_url,

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]

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);

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}

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}

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