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google-docs-embed
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google-docs-embed.php
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<?php /** * GSuite Block. * * @since 11.3 * * @package automattic/jetpack */ namespace Automattic\Jetpack\Extensions\GoogleDocsEmbed; use Automattic\Jetpack\Blocks; use Jetpack_Gutenberg; const FEATURE_NAME = 'google-docs-embed'; /** * Registers the blocks for use in Gutenberg * This is done via an action so that we can disable * registration if we need to. */ function register_blocks() { Blocks::jetpack_register_block( 'jetpack/' . FEATURE_NAME, array( 'render_callback' => __NAMESPACE__ . '\render_callback', ) ); } add_action( 'init', __NAMESPACE__ . '\register_blocks' ); /** * The block rendering callback. * * @param array $attributes attributes. * @return string */ function render_callback( $attributes ) { Jetpack_Gutenberg::load_assets_as_required( FEATURE_NAME ); wp_localize_script( 'jetpack-block-' . sanitize_title_with_dashes( FEATURE_NAME ), 'Jetpack_Google_Docs', array( 'error_msg' => __( 'This document is private. To view the document, login to a Google account that the document has been shared with and then refresh this page.', 'jetpack' ), ) ); $url = empty( $attributes['url'] ) ? '' : map_gsuite_url( $attributes['url'] ); $aspect_ratio = empty( $attributes['aspectRatio'] ) ? '' : $attributes['aspectRatio']; switch ( $attributes['variation'] ) { case 'google-docs': default: $pattern = '/^http[s]?:\/\/((?:www\.)?docs\.google\.com(?:.*)?(?:document)\/[a-z0-9\/\?=_\-\.\,&%$#\@\!\+]*)\/preview/i'; break; case 'google-sheets': $pattern = '/^http[s]?:\/\/((?:www\.)?docs\.google\.com(?:.*)?(?:spreadsheets)\/[a-z0-9\/\?=_\-\.\,&%$#\@\!\+]*)\/preview/i'; break; case 'google-slides': $pattern = '/^http[s]?:\/\/((?:www\.)?docs\.google\.com(?:.*)?(?:presentation)\/[a-z0-9\/\?=_\-\.\,&%$#\@\!\+]*)\/preview/i'; break; } if ( empty( $attributes['url'] ) ) { return ''; } if ( $pattern && ! preg_match( $pattern, $url ) ) { return ''; } // Add loader for Google Document/Spreadsheets/Presentation blocks. $iframe_markup = '<iframe src="' . esc_url( $url ) . '" allowFullScreen frameborder="0" title="' . esc_html__( 'Google Document Embed', 'jetpack' ) . '" height="450"></iframe>'; $loading_markup = ''; $amp_markup = ''; if ( false !== strpos( $url, '/document/d/' ) || false !== strpos( $url, '/spreadsheets/d/' ) || false !== strpos( $url, '/presentation/d/' ) ) { if ( function_exists( 'amp_is_request' ) && amp_is_request() ) { $type = false !== strpos( $url, '/document/d/' ) ? __( 'Google Docs', 'jetpack' ) : ''; $type = empty( $type ) && false !== strpos( $url, '/spreadsheets/d/' ) ? __( 'Google Sheets', 'jetpack' ) : $type; $type = empty( $type ) && false !== strpos( $url, '/presentation/d/' ) ? __( 'Google Slides', 'jetpack' ) : $type; $iframe_markup = ''; $amp_markup_message = sprintf( /* translators: Placeholder is a google product, eg. Google Docs, Google Sheets, or Google Slides. */ __( 'Tap to open embedded document in %s.', 'jetpack' ), esc_html( $type ) ); $amp_markup = sprintf( '<p class="wp-block-jetpack-google-docs-embed__error-msg"><a target="_blank" rel="noopener noreferrer" href="%s">%s</a></p>', esc_url( $url ), $amp_markup_message ); } else { $loading_markup = '<div class="loader is-active"><span>' . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>'; } } $block_classes = Blocks::classes( FEATURE_NAME, $attributes, array( $aspect_ratio ) ); $html = '<figure class="' . esc_attr( $block_classes ) . '">' . '<div class="wp-block-jetpack-google-docs-embed__wrapper">' . $loading_markup . $amp_markup . $iframe_markup . '</div>' . '</figure>'; return $html; } /** * Convert GSuite URL to a preview URL. * * @param string $url The URL of the published Doc/Spreadsheet/Presentation. * * @return string */ function map_gsuite_url( $url ) { // Default regex for all the URLs. $gsuite_regex = '/^(http|https):\/\/(docs\.google.com)\/(spreadsheets|document|presentation)\/d\/([A-Za-z0-9_-]+).*?$/i'; /** * Check if the URL is valid. * * If not, return the original URL as is. */ preg_match( $gsuite_regex, $url, $matches ); if ( empty( $matches ) || empty( $matches[1] ) || empty( $matches[2] ) || empty( $matches[3] ) || empty( $matches[4] ) ) { return $url; } return "{$matches[1]}://$matches[2]/$matches[3]/d/$matches[4]/preview"; }