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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;
/**
* 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(
__DIR__,
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( __DIR__ );
wp_localize_script(
'jetpack-block-' . sanitize_title_with_dashes( Blocks::get_block_feature( __DIR__ ) ),
'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 (
str_contains( $url, '/document/d/' ) ||
str_contains( $url, '/spreadsheets/d/' ) ||
str_contains( $url, '/presentation/d/' )
) {
if ( function_exists( 'amp_is_request' ) && amp_is_request() ) {
$type = str_contains( $url, '/document/d/' ) ? __( 'Google Docs', 'jetpack' ) : '';
$type = empty( $type ) && str_contains( $url, '/spreadsheets/d/' ) ? __( 'Google Sheets', 'jetpack' ) : $type;
$type = empty( $type ) && str_contains( $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( Blocks::get_block_feature( __DIR__ ), $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";
}