<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Tweet shortcode.

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* Params map to key value pairs, and all but tweet are optional:

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* tweet = id or permalink url* (Required)

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* align = none|left|right|center

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* width = number in pixels example: width="300"

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* lang = en|fr|de|ko|etc... language country code.

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* hide_thread = true | false **

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* hide_media = true | false **

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*

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* Basic:

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* [tweet https://twitter.com/jack/statuses/20 width="350"]

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*

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* More parameters and another tweet syntax admitted:

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* [tweet tweet="https://twitter.com/jack/statuses/20" align="left" width="350" align="center" lang="es"]

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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add_shortcode( 'tweet', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode' ) );

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/**

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* Tweet Shortcode class.

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*/

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class Jetpack_Tweet {

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/**

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* Array of arguments about a tweet.

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*

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* @var array

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*/

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public static $provider_args;

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/**

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* Parse shortcode arguments and render its output.

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return string

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*/

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public static function jetpack_tweet_shortcode( $atts ) {

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global $wp_embed;

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$default_atts = array(

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'tweet' => '',

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'align' => 'none',

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'width' => '',

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'lang' => 'en',

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'hide_thread' => 'false',

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'hide_media' => 'false',

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);

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$attr = shortcode_atts( $default_atts, $atts );

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self::$provider_args = $attr;

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/*

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* figure out the tweet id for the requested tweet

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* supporting both omitted attributes and tweet="tweet_id"

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* and supporting both an id and a URL

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*/

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if ( empty( $attr['tweet'] ) && ! empty( $atts[0] ) ) {

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$attr['tweet'] = $atts[0];

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}

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if ( ctype_digit( $attr['tweet'] ) ) {

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$id = 'https://twitter.com/jetpack/status/' . $attr['tweet'];

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$tweet_id = (int) $attr['tweet'];

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} else {

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preg_match( '/^http(s|):\/\/twitter\.com(\/\#\!\/|\/)([a-zA-Z0-9_]{1,20})\/status(es)*\/(\d+)$/', $attr['tweet'], $urlbits );

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if ( isset( $urlbits[5] ) && (int) $urlbits[5] ) {

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$id = 'https://twitter.com/' . $urlbits[3] . '/status/' . (int) $urlbits[5];

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$tweet_id = (int) $urlbits[5];

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} else {

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return '<!-- Invalid tweet id -->';

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}

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}

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// Add shortcode arguments to provider URL.

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add_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10, 3 );

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/*

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* In Jetpack, we use $wp_embed->shortcode() to return the tweet output.

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* @see https://github.com/Automattic/jetpack/pull/11173

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*/

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$output = $wp_embed->shortcode( $atts, $id );

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// Clean up filter.

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remove_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10 );

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/** This action is documented in modules/widgets/social-media-icons.php */

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do_action( 'jetpack_bump_stats_extras', 'embeds', 'tweet' );

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if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {

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$width = ! empty( $attr['width'] ) ? $attr['width'] : 600;

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$height = 480;

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$output = sprintf(

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'<amp-twitter data-tweetid="%1$s" layout="responsive" width="%2$d" height="%3$d"></amp-twitter>',

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esc_attr( $tweet_id ),

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absint( $width ),

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absint( $height )

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);

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} else {

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// Add Twitter widgets.js script to the footer.

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add_action( 'wp_footer', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode_script' ) );

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}

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return $output;

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}

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/**

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* Adds parameters to URL used to fetch the tweet.

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*

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* @since 4.5.0

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*

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* @param string $provider URL of provider that supplies the tweet we're requesting.

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* @param string $url URL of tweet to embed.

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* @param array $args Parameters supplied to shortcode and passed to wp_oembed_get.

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*

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* @return string

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*/

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public static function jetpack_tweet_url_extra_args( $provider, $url, $args = array() ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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foreach ( self::$provider_args as $key => $value ) {

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switch ( $key ) {

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case 'align':

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case 'lang':

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case 'hide_thread':

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case 'hide_media':

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$provider = add_query_arg( $key, $value, $provider );

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break;

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}

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}

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// Disable script since we're enqueing it in our own way in the footer.

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$provider = add_query_arg( 'omit_script', 'true', $provider );

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// Twitter doesn't support maxheight so don't send it.

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$provider = remove_query_arg( 'maxheight', $provider );

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/**

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* Filter the Twitter Partner ID.

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*

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* @module shortcodes

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*

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* @since 4.6.0

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*

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* @param string $partner_id Twitter partner ID.

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*/

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$partner = apply_filters( 'jetpack_twitter_partner_id', 'jetpack' );

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// Add Twitter partner ID to track embeds from Jetpack.

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if ( ! empty( $partner ) ) {

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$provider = add_query_arg( 'partner', $partner, $provider );

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}

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return $provider;

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}

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/**

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* Enqueue front end assets.

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*

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* @since 4.5.0

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*/

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public static function jetpack_tweet_shortcode_script() {

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if ( ! wp_script_is( 'twitter-widgets', 'registered' ) ) {

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wp_register_script( 'twitter-widgets', 'https://platform.twitter.com/widgets.js', array(), JETPACK__VERSION, true );

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wp_print_scripts( 'twitter-widgets' );

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}

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}

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} // class end

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