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ðŸ“„ admin-sharing-rtl.css(9.23 KB)
ðŸ“„ admin-sharing-rtl.min.css(7.63 KB)
ðŸ“„ admin-sharing.css(8.69 KB)
ðŸ“„ admin-sharing.js(14.61 KB)
ðŸ“„ admin-sharing.min.css(7.61 KB)
ðŸ“„ amp-sharing.css(1.86 KB)
ðŸ“ images
ðŸ“„ recaptcha.php(6.33 KB)
ðŸ“ services
ðŸ“„ sharedaddy.php(6.68 KB)
ðŸ“„ sharing-service.php(34.33 KB)
ðŸ“„ sharing-sources.php(88.93 KB)
ðŸ“„ sharing.css(20.03 KB)
ðŸ“„ sharing.js(17.78 KB)
ðŸ“„ sharing.php(30.72 KB)

Editing: sharing-sources.php

<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
 * Define all sharing sources.
 *
 * phpcs:disable Generic.Files.OneObjectStructurePerFile.MultipleFound
 */

use Automattic\Jetpack\Device_Detection\User_Agent_Info;

/**
 * Base class for sharing sources.
 * See individual sharing classes below for the implementation of this class.
 */
abstract class Sharing_Source {
	/**
	 * Button style (icon, icon-text, text, or official).
	 *
	 * @var string
	 */
	public $button_style;

/**
	 * Does the service have an official version.
	 *
	 * @var bool
	 */
	public $smart;

/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname;

/**
	 * Should the sharing link open in a new tab.
	 *
	 * @var bool
	 */
	protected $open_link_in_new;

/**
	 * Sharing unique ID.
	 *
	 * @var int
	 */
	protected $id;

/**
	 * Constructor.
	 *
	 * @param int   $id       Sharing source ID.
	 * @param array $settings Sharing settings.
	 */
	public function __construct( $id, array $settings ) {
		$this->id = $id;
		/**
		 * Filter the way sharing links open.
		 *
		 * By default, sharing links open in a new window.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.4.0
		 *
		 * @param bool true Should Sharing links open in a new window. Default to true.
		 */
		$this->open_link_in_new = apply_filters( 'jetpack_open_sharing_in_new_window', true );

if ( isset( $settings['button_style'] ) ) {
			$this->button_style = $settings['button_style'];
		}

if ( isset( $settings['smart'] ) ) {
			$this->smart = $settings['smart'];
		}
	}

/**
	 * Is a service deprecated.
	 *
	 * @return bool
	 */
	public function is_deprecated() {
		return false;
	}

/**
	 * Get the protocol to use for a sharing service, based on the site settings.
	 *
	 * @return string
	 */
	public function http() {
		return is_ssl() ? 'https' : 'http';
	}

/**
	 * Get unique sharing ID.
	 *
	 * @return int
	 */
	public function get_id() {
		return $this->id;
	}

/**
	 * Get unique sharing ID. Similar to get_id().
	 *
	 * @return int
	 */
	public function get_class() {
		return $this->id;
	}

/**
	 * Get a post's permalink to use for sharing.
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return string
	 */
	public function get_share_url( $post_id ) {
		/**
		 * Filter the sharing permalink.
		 *
		 * @module sharedaddy
		 *
		 * @since 1.2.0
		 *
		 * @param string get_permalink( $post_id ) Post Permalink.
		 * @param int $post_id Post ID.
		 * @param int $this->id Sharing ID.
		 */
		return apply_filters( 'sharing_permalink', get_permalink( $post_id ), $post_id, $this->id );
	}

/**
	 * Get a post's title to use for sharing.
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return string
	 */
	public function get_share_title( $post_id ) {
		$post = get_post( $post_id );
		/**
		 * Filter the sharing title.
		 *
		 * @module sharedaddy
		 *
		 * @since 2.8.0
		 *
		 * @param string $post->post_title Post Title.
		 * @param int $post_id Post ID.
		 * @param int $this->id Sharing ID.
		 */
		$title = apply_filters( 'sharing_title', $post->post_title, $post_id, $this->id );

return html_entity_decode( wp_kses( $title, '' ), ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
	}

/**
	 * Get a comma-separated list of the post's tags to use for sharing.
	 * Prepends a '#' to each tag.
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return string
	 */
	public function get_share_tags( $post_id ) {
		$tags = get_the_tags( $post_id );
		if ( ! $tags ) {
			return '';
		}

$tags = array_map(
			function ( $tag ) {
				// Camel case the tag name and remove spaces as well as apostrophes.
				$tag = preg_replace( '/\s+|\'/', '', ucwords( $tag->name ) );

// Return with a '#' prepended.
				return '#' . $tag;
			},
			$tags
		);

/**
		 * Allow customizing how the list of tags is displayed.
		 *
		 * @module sharedaddy
		 * @since 11.9
		 *
		 * @param string $tags     Comma-separated list of tags.
		 * @param int    $post_id  Post ID.
		 * @param int    $this->id Sharing ID.
		 */
		$tag_list = (string) apply_filters( 'jetpack_sharing_tag_list', implode( ', ', $tags ), $post_id, $this->id );

return html_entity_decode( wp_kses( $tag_list, '' ), ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
	}

/**
	 * Does this sharing source have a custom style.
	 *
	 * @return bool
	 */
	public function has_custom_button_style() {
		return false;
	}

/**
	 * Get the HTML markup to display a sharing link.
	 *
	 * @param string      $url             Post URL to share.
	 * @param string      $text            Sharing display text.
	 * @param string      $accessible_name Accessible name for the link.
	 * @param string      $query           Additional query arguments to add to the link. They should be in 'foo=bar&baz=1' format.
	 * @param bool|string $id              Sharing ID to include in the data-shared attribute.
	 * @param array       $data_attributes The keys are used as additional attribute names with 'data-' prefix.
	 *                                     The values are used as the attribute values.
	 *
	 * @return string The HTML for the link.
	 */
	public function get_link( $url, $text, $accessible_name = '', $query = '', $id = false, $data_attributes = array() ) {
		$args    = func_get_args();
		$klasses = array( 'share-' . $this->get_class(), 'sd-button' );

if ( 'icon' === $this->button_style || 'icon-text' === $this->button_style ) {
			$klasses[] = 'share-icon';
		}

if ( 'icon' === $this->button_style ) {
			$klasses[] = 'no-text';
		}

if ( true === $this->open_link_in_new ) {
			$accessible_name .= __( ' (Opens in new window)', 'jetpack' );
		}

/**
		 * Filter the sharing display ID.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.4.0
		 *
		 * @param string|false $id Sharing ID.
		 * @param object $this Sharing service properties.
		 * @param array $args Array of sharing service options.
		 */
		$id = apply_filters( 'jetpack_sharing_display_id', $id, $this, $args );
		/**
		 * Filter the sharing display link.
		 *
		 * @module sharedaddy
		 *
		 * @since 2.8.0
		 *
		 * @param string $url Post URL.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$url = apply_filters( 'sharing_display_link', $url, $this, $id, $args ); // backwards compatibility
		/**
		 * Filter the sharing display link.
		 *
		 * @module sharedaddy
		 *
		 * @since 2.8.0
		 *
		 * @param string $url Post URL.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$url = apply_filters( 'jetpack_sharing_display_link', $url, $this, $id, $args );
		/**
		 * Filter the sharing display query.
		 *
		 * @module sharedaddy
		 *
		 * @since 2.8.0
		 *
		 * @param string $query Sharing service URL parameter.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$query = apply_filters( 'jetpack_sharing_display_query', $query, $this, $id, $args );

if ( ! empty( $query ) ) {
			if ( false === stripos( $url, '?' ) ) {
				$url .= '?' . $query;
			} else {
				$url .= '&amp;' . $query;
			}
		}

// @phan-suppress-next-line PhanSuspiciousValueComparison
		if ( 'text' === $this->button_style ) {
			$klasses[] = 'no-icon';
		}

/**
		 * Filter the sharing display classes.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.4.0
		 *
		 * @param array $klasses Sharing service classes.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$klasses = apply_filters( 'jetpack_sharing_display_classes', $klasses, $this, $id, $args );
		/**
		 * Filter the sharing display title.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.4.0
		 * @deprecated 14.6 Use jetpack_sharing_accessible_name instead.
		 *
		 * @param string $title Sharing service title.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$accessible_name = apply_filters_deprecated( 'jetpack_sharing_display_title', array( $accessible_name, $this, $id, $args ), '14.6', 'jetpack_sharing_accessible_name' );

/**
		 * Filter the sharing accessible name.
		 *
		 * @module sharedaddy
		 *
		 * @since 14.6
		 *
		 * @param string $accessible_name Sharing service accessible name.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$accessible_name = apply_filters( 'jetpack_sharing_accessible_name', $accessible_name, $this, $id, $args );
		/**
		 * Filter the sharing display text.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.4.0
		 *
		 * @param string $text Sharing service text.
		 * @param object $this Sharing service properties.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$text = apply_filters( 'jetpack_sharing_display_text', $text, $this, $id, $args );

/**
		 * Filter the sharing data attributes.
		 *
		 * @module sharedaddy
		 *
		 * @since 11.0
		 *
		 * @param array $data_attributes Attributes supplied from the sharing source.
		 *                               Note that 'data-' will be prepended to all keys.
		 * @param Sharing_Source $this Sharing source instance.
		 * @param string|false $id Sharing ID.
		 * @param array $args Array of sharing service options.
		 */
		$data_attributes = apply_filters( 'jetpack_sharing_data_attributes', (array) $data_attributes, $this, $id, $args );

$id_attr                 = $id ? esc_attr( $id ) : '';
		$encoded_data_attributes = '';
		if ( ! empty( $data_attributes ) ) {
			// Check for aria-labelledby first, and separate this out.
			if ( isset( $data_attributes['aria-labelledby'] ) ) {
				$id_attr = $data_attributes['aria-labelledby'];
				unset( $data_attributes['aria-labelledby'] );
			}

$encoded_data_attributes = implode(
				' ',
				array_map(
					/** Filter for formatting attributes */
					function ( $data_key, $data_value ) {
						return sprintf(
							'data-%s="%s"',
							esc_attr( str_replace( array( ' ', '"' ), '', $data_key ) ),
							esc_attr( $data_value )
						);
					},
					array_keys( $data_attributes ),
					array_values( $data_attributes )
				)
			);
		}

$rel_attr    = ( true === $this->open_link_in_new ) ? 'noopener noreferrer' : '';
		$target_attr = ( true === $this->open_link_in_new ) ? 'target="_blank"' : '';

$classes = implode( ' ', $klasses );

return sprintf(
			'<a rel="nofollow %s"
				data-shared="%s"
				class="%s"
				href="%s"
				%s
				aria-labelledby="%s"
				%s>
				<span id="%s" hidden>%s</span>
				<span>%s</span>
			</a>',
			$rel_attr,
			$id_attr,
			esc_attr( $classes ),
			esc_url( $url ),
			$target_attr,
			$id_attr,
			$encoded_data_attributes,
			$id_attr,
			esc_html( $accessible_name ),
			esc_html( $text )
		);
	}

/**
	 * Get an unfiltered post permalink to use when generating a sharing URL with get_link.
	 * Use instead of get_share_url for non-official styles as get_permalink ensures that process_request
	 * will be executed more reliably, in the case that the filtered URL uses a service that strips query parameters.
	 *
	 * @since 3.7.0
	 * @param int $post_id Post ID.
	 *
	 * @uses get_permalink
	 *
	 * @return string get_permalink( $post_id ) Post permalink.
	 */
	public function get_process_request_url( $post_id ) {
		return get_permalink( $post_id );
	}

/**
	 * Get sharing name.
	 */
	abstract public function get_name();

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 */
	abstract public function get_display( $post );

/**
	 * Add content specific to a service in the head.
	 */
	public function display_header() {
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
	}

/**
	 * Does the service have advanced options.
	 *
	 * @return bool
	 */
	public function has_advanced_options() {
		return false;
	}

/**
	 * Get the AMP specific markup for a sharing button.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 *
	 * @return bool|string
	 */
	public function get_amp_display( $post ) {
		// Only display markup if we're on a post.
		if ( empty( $post ) ) {
			return false;
		}

return $this->build_amp_markup();
	}

/**
	 * Generates and returns the markup for an AMP sharing button.
	 *
	 * @param array $attrs Custom attributes for rendering the social icon.
	 *
	 * @return string
	 */
	protected function build_amp_markup( $attrs = array() ) {

$title = sprintf(
			/* translators: placeholder is a service name, such as "Twitter" or "Facebook". */
			__( 'Click to share on %s', 'jetpack' ),
			$this->get_name()
		);

$attrs        = array_merge(
			array(
				'type'       => $this->get_id(),
				'height'     => '32px',
				'width'      => '32px',
				'aria-label' => $title,
				'title'      => $title,
			),
			$attrs
		);
		$sharing_link = '<amp-social-share';
		foreach ( $attrs as $key => $value ) {
			$sharing_link .= sprintf( ' %s="%s"', sanitize_key( $key ), esc_attr( $value ) );
		}
		$sharing_link .= '></amp-social-share>';
		return $sharing_link;
	}

/**
	 * Display a preview of the sharing button.
	 *
	 * @param bool        $echo         Whether to echo the output or return it.
	 * @param bool        $force_smart  Whether to force the smart (official) services to be shown.
	 * @param null|string $button_style Button style.
	 *
	 * @return string|void
	 */
	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
		$text         = '&nbsp;';
		$button_style = ( ! empty( $button_style ) ) ? $button_style : $this->button_style;
		if ( ! $this->smart && ! $force_smart ) {
			if ( $button_style !== 'icon' ) {
				$text = $this->get_name();
			}
		}

$klasses = array( 'share-' . $this->get_class(), 'sd-button' );

if ( $button_style === 'icon' || $button_style === 'icon-text' ) {
			$klasses[] = 'share-icon';
		}

if ( $button_style === 'icon' ) {
			$klasses[] = 'no-text';
		}

if ( $button_style === 'text' ) {
			$klasses[] = 'no-icon';
		}

$is_deprecated = $this->is_deprecated();

$link = sprintf(
			'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span>%s</span></a>',
			implode( ' ', $klasses ),
			esc_attr(
				$is_deprecated
					/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
					? sprintf( __( 'The %1$s sharing service has shut down or discontinued support for sharing buttons. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
					: $this->get_name()
			),
			esc_html(
				$is_deprecated
					/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
					? sprintf( __( '%1$s is no longer supported', 'jetpack' ), $this->get_name() )
					: $text
			)
		);

$smart  = ( $this->smart || $force_smart ) ? 'on' : 'off';
		$return = "<div class='option option-smart-$smart'>$link</div>";
		if ( $echo ) {
			echo $return; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- we escape things above.
		}

return $return;
	}

/**
	 * Get sharing stats for a specific post or sharing service.
	 *
	 * @param bool|WP_Post $post Post object.
	 *
	 * @return int
	 */
	public function get_total( $post = false ) {
		global $wpdb, $blog_id;

$name = strtolower( $this->get_id() );

if ( $post === false ) {
			// get total number of shares for service
			return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT SUM( count ) FROM sharing_stats WHERE blog_id = %d AND share_service = %s', $blog_id, $name ) );
		}

// get total shares for a post
		return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT count FROM sharing_stats WHERE blog_id = %d AND post_id = %d AND share_service = %s', $blog_id, $post->ID, $name ) );
	}

/**
	 * Get sharing stats for all posts on the site.
	 *
	 * @return array
	 */
	public function get_posts_total() {
		global $wpdb, $blog_id;

$totals = array();
		$name   = strtolower( $this->get_id() );

$my_data = $wpdb->get_results( $wpdb->prepare( 'SELECT post_id as id, SUM( count ) as total FROM sharing_stats WHERE blog_id = %d AND share_service = %s GROUP BY post_id ORDER BY count DESC ', $blog_id, $name ) );

if ( ! empty( $my_data ) ) {
			foreach ( $my_data as $row ) {
				$totals[] = new Sharing_Post_Total( $row->id, $row->total );
			}
		}

usort( $totals, array( 'Sharing_Post_Total', 'cmp' ) );

return $totals;
	}

/**
	 * Process sharing request. Add actions that need to happen when sharing here.
	 *
	 * @param WP_Post $post Post object.
	 * @param array   $post_data Array of information about the post we're sharing.
	 *
	 * @return void
	 */
	public function process_request( $post, array $post_data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		/**
		 * Fires when a post is shared via one of the sharing buttons.
		 *
		 * @module sharedaddy
		 *
		 * @since 1.1.0
		 *
		 * @param array $args Aray of information about the sharing service.
		 */
		do_action(
			'sharing_bump_stats',
			array(
				'service' => $this,
				'post'    => $post,
			)
		);
	}

/**
	 * Redirect to an external social network site to finish sharing.
	 *
	 * @param string $url Sharing URL for a given service.
	 * @return never
	 */
	public function redirect_request( $url ) {
		wp_redirect( $url ); // phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect -- We allow external redirects here; we define them ourselves.

// We set up this custom header to indicate to search engines not to index this page.
		header( 'X-Robots-Tag: noindex, nofollow' );
		die( 0 );
	}

/**
	 * Add extra JavaScript to a sharing service.
	 *
	 * @param string $name   Sharing service name.
	 * @param array  $params Array of sharing options.
	 *
	 * @return void
	 */
	public function js_dialog( $name, $params = array() ) {
		if ( true !== $this->open_link_in_new ) {
			return;
		}

$defaults = array(
			'menubar'   => 1,
			'resizable' => 1,
			'width'     => 600,
			'height'    => 400,
		);
		$params   = array_merge( $defaults, $params );
		$opts     = array();
		foreach ( $params as $key => $val ) {
			$opts[] = "$key=$val";
		}
		$opts = implode( ',', $opts );

// Add JS after sharing-js has been enqueued.
		wp_add_inline_script(
			'sharing-js',
			"var windowOpen;
			( function () {
				function matches( el, sel ) {
					return !! (
						el.matches && el.matches( sel ) ||
						el.msMatchesSelector && el.msMatchesSelector( sel )
					);
				}

document.body.addEventListener( 'click', function ( event ) {
					if ( ! event.target ) {
						return;
					}

var el;
					if ( matches( event.target, 'a.share-$name' ) ) {
						el = event.target;
					} else if ( event.target.parentNode && matches( event.target.parentNode, 'a.share-$name' ) ) {
						el = event.target.parentNode;
					}

if ( el ) {
						event.preventDefault();

// If there's another sharing window open, close it.
						if ( typeof windowOpen !== 'undefined' ) {
							windowOpen.close();
						}
						windowOpen = window.open( el.getAttribute( 'href' ), 'wpcom$name', '$opts' );
						return false;
					}
				} );
			} )();"
		);
	}
}

/**
 * Handle the display of deprecated sharing services.
 */
abstract class Deprecated_Sharing_Source extends Sharing_Source {
	/**
	 * Button style (icon-text, icon, or text)
	 *
	 * @var string
	 */
	public $button_style = 'text';

/**
	 * Does the service have an official version.
	 *
	 * @var bool
	 */
	public $smart = false;

/**
	 * Should the sharing link open in a new tab.
	 *
	 * @var bool
	 */
	protected $open_link_in_new = false;

/**
	 * Sharing unique ID.
	 *
	 * @var int
	 */
	protected $id;

/**
	 * Is the service deprecated.
	 *
	 * @var bool
	 */
	protected $deprecated = true;

/**
	 * Constructor.
	 *
	 * @param int   $id       Sharing source ID.
	 * @param array $settings Sharing settings.
	 */
	final public function __construct( $id, array $settings ) {
		$this->id = $id;

if ( isset( $settings['button_style'] ) ) {
			$this->button_style = $settings['button_style'];
		}
	}

/**
	 * Is the service deprecated.
	 *
	 * @return bool
	 */
	final public function is_deprecated() {
		return true;
	}

/**
	 * Get a post's permalink to use for sharing.
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return string
	 */
	final public function get_share_url( $post_id ) {
		return get_permalink( $post_id );
	}

/**
	 * No AMP display for deprecated sources.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	final public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return false;
	}

/**
	 * Display a preview of the sharing button.
	 *
	 * @param bool        $echo         Whether to echo the output or return it.
	 * @param bool        $force_smart  Whether to force the smart (official) services to be shown.
	 * @param null|string $button_style Button style.
	 *
	 * @return string|void
	 */
	final public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
		return parent::display_preview( $echo, false, $button_style );
	}

/**
	 * Get sharing stats for a specific post or sharing service.
	 *
	 * @param bool|WP_Post $post Post object.
	 *
	 * @return int
	 */
	final public function get_total( $post = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return 0;
	}

/**
	 * Get sharing stats for all posts on the site.
	 *
	 * @return int|array
	 */
	final public function get_posts_total() {
		return 0;
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	final public function get_display( $post ) {
		if ( current_user_can( 'manage_options' ) ) {
			return $this->display_deprecated( $post );
		}

return '';
	}

/**
	 * Display a custom message for deprecated services.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function display_deprecated( $post ) {
		return $this->get_link(
			$this->get_share_url( $post->ID ),
			/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
			sprintf( __( '%1$s is no longer supported', 'jetpack' ), $this->get_name() ),
			/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
			sprintf( __( 'The %1$s sharing service has shut down or discontinued support for sharing buttons. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
		);
	}
}

/**
 * Handle the display of advanced sharing services.
 * Custom sharing buttons we create ourselves will be such services.
 */
abstract class Sharing_Advanced_Source extends Sharing_Source {
	/**
	 * Does the service have advanced options.
	 *
	 * @return bool
	 */
	public function has_advanced_options() {
		return true;
	}

/**
	 * Display options for our sharing buttons.
	 */
	abstract public function display_options();

/**
	 * Sanitize and save options for our sharing buttons.
	 *
	 * @param array $data Data to be saved.
	 *
	 * @return void
	 */
	abstract public function update_options( array $data );

/**
	 * Get array of information about the service.
	 *
	 * @return array
	 */
	abstract public function get_options();
}

/**
 * Handle the display of the email sharing button.
 */
class Share_Email extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'email';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f410';

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return _x( 'Email', 'as sharing source', 'jetpack' );
	}

/**
	 * Helper function to return a nonce action based on the current post.
	 *
	 * @param WP_Post|null $post The current post if it is defined.
	 * @return string The nonce action name.
	 */
	protected function get_email_share_nonce_action( $post ) {
		if ( ! empty( $post ) && $post instanceof WP_Post ) {
			return 'jetpack-email-share-' . $post->ID;
		}

return 'jetpack-email-share';
	}

// Require an AJAX-driven submit and a valid nonce to process the request
		if (
			$is_ajax
			&& isset( $post_data['email-share-nonce'] )
			&& wp_verify_nonce( $post_data['email-share-nonce'], $this->get_email_share_nonce_action( $post ) )
		) {
			// Ensure that we bump stats
			parent::process_request( $post, $post_data );
		}

if ( $is_ajax ) {
			wp_send_json_success();
		} else {
			wp_safe_redirect( get_permalink( $post->ID ) . '?shared=email&msg=fail' );
			exit( 0 );
		}

wp_die();
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string The HTML for the button.
	 */
	public function get_display( $post ) {
		$tracking_url = $this->get_process_request_url( $post->ID );
		if ( false === stripos( $tracking_url, '?' ) ) {
			$tracking_url .= '?';
		} else {
			$tracking_url .= '&';
		}
		$tracking_url .= 'share=email';

$data_attributes = array(
			'email-share-error-title' => __( 'Do you have email set up?', 'jetpack' ),
			'email-share-error-text'  => __(
				"If you're having problems sharing via email, you might not have email set up for your browser. You may need to create a new email yourself.",
				'jetpack'
			),
			'email-share-nonce'       => wp_create_nonce( $this->get_email_share_nonce_action( $post ) ),
			'email-share-track-url'   => $tracking_url,
			'aria-labelledby'         => 'sharing-email-' . $post->ID,
		);

$post_title = $this->get_share_title( $post->ID );
		$post_url   = $this->get_share_url( $post->ID );

/** This filter is documented in plugins/jetpack/modules/sharedaddy/sharedaddy.php */
		$email_subject = apply_filters(
			'wp_sharing_email_send_post_subject',
			sprintf( '[%s] %s', __( 'Shared Post', 'jetpack' ), $post_title )
		);

$mailto_query = sprintf(
			'subject=%s&body=%s&share=email',
			rawurlencode( $email_subject ),
			rawurlencode( $post_url )
		);

return $this->get_link(
			'mailto:',
			_x( 'Email', 'share to', 'jetpack' ),
			__( 'Click to email a link to a friend', 'jetpack' ),
			$mailto_query,
			false,
			$data_attributes
		);
	}

/**
	 * AMP display for email.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) { // phpcs:ignore
		$attrs = array(
			// Prevents an empty window from opening on desktop: https://github.com/ampproject/amphtml/issues/9157.
			'data-target' => '_self',
		);

return $this->build_amp_markup( $attrs );
	}
}

/**
 * Legacy Twitter sharing button.
 * Share_X is the new Twitter sharing button.
 */
class Share_Twitter extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'twitter';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10e';

/**
	 * Length of a URL on Twitter.
	 * 'https://dev.twitter.com/rest/reference/get/help/configuration'
	 * ( 2015/02/06 ) short_url_length is 22, short_url_length_https is 23
	 *
	 * @var int
	 */
	public $short_url_length = 24;

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'X', 'jetpack' );
	}

/**
	 * Determine the Twitter 'via' value for a post.
	 *
	 * @param  WP_Post|int $post Post object or post ID.
	 * @return string Twitter handle without the preceding @.
	 **/
	public static function sharing_twitter_via( $post ) {
		$post = get_post( $post );
		/**
		 * Allow third-party plugins to customize the Twitter username used as "twitter:site" Twitter Card Meta Tag.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.0.0
		 *
		 * @param string $string Twitter Username.
		 * @param array $args Array of Open Graph Meta Tags and Twitter Cards tags.
		 */
		$twitter_site_tag_value = apply_filters(
			'jetpack_twitter_cards_site_tag',
			'',
			/** This action is documented in modules/sharedaddy/sharing-sources.php */
			array( 'twitter:creator' => apply_filters( 'jetpack_sharing_twitter_via', '', $post->ID ) )
		);

/*
		 * Hack to remove the unwanted behavior of adding 'via @jetpack' which
		 * was introduced with the adding of the Twitter cards.
		 * This should be a temporary solution until a better method is setup.
		 */
		if ( 'jetpack' === $twitter_site_tag_value ) {
			$twitter_site_tag_value = '';
		}

/**
		 * Filters the Twitter username used as "via" in the Twitter sharing button.
		 *
		 * @module sharedaddy
		 *
		 * @since 1.7.0
		 *
		 * @param string $twitter_site_tag_value Twitter Username.
		 * @param int $post->ID Post ID.
		 */
		$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );

// Strip out anything other than a letter, number, or underscore.
		// This will prevent the inadvertent inclusion of an extra @, as well as normalizing the handle.
		return preg_replace( '/[^\da-z_]+/i', '', $twitter_site_tag_value );
	}

/**
	 * Determine the 'related' Twitter accounts for a post.
	 *
	 * @param  WP_Post|int $post Post object or post ID.
	 * @return string Comma-separated list of Twitter handles.
	 **/
	public static function get_related_accounts( $post ) {
		$post = get_post( $post );
		/**
		 * Filter the list of related Twitter accounts added to the Twitter sharing button.
		 *
		 * @module sharedaddy
		 *
		 * @since 1.7.0
		 *
		 * @param array $args Array of Twitter usernames. Format is 'username' => 'Optional description'
		 * @param int $post->ID Post ID.
		 */
		$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );

// Example related string: account1,account2:Account 2 description,account3
		$related = array();

foreach ( $related_accounts as $related_account_username => $related_account_description ) {
			// Join the description onto the end of the username
			if ( $related_account_description ) {
				$related_account_username .= ':' . $related_account_description;
			}

$related[] = $related_account_username;
		}

return implode( ',', $related );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		$via = static::sharing_twitter_via( $post );

if ( $via ) {
			$via = 'data-via="' . esc_attr( $via ) . '"';
		} else {
			$via = '';
		}

$related = static::get_related_accounts( $post );
		if ( ! empty( $related ) && $related !== $via ) {
			$related = 'data-related="' . esc_attr( $related ) . '"';
		} else {
			$related = '';
		}

if ( $this->smart ) {
			$share_url  = $this->get_share_url( $post->ID );
			$post_title = $this->get_share_title( $post->ID );
			return sprintf(
				'<a href="https://twitter.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>Tweet</a>',
				esc_url( $share_url ),
				esc_attr( $post_title ),
				$via,
				$related
			);
		} else {
			if (
				/**
				 * Allow plugins to disable sharing counts for specific sharing services.
				 *
				 * @module sharedaddy
				 *
				 * @since 3.0.0
				 *
				 * @param bool true Should sharing counts be enabled for this specific service. Default to true.
				 * @param int $post->ID Post ID.
				 * @param string $str Sharing service name.
				 */
				apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'twitter' )
			) {
				sharing_register_post_for_share_counts( $post->ID );
			}
			return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'X', 'share to', 'jetpack' ), __( 'Click to share on X', 'jetpack' ), 'share=twitter', 'sharing-twitter-' . $post->ID );
		}
	}

if ( function_exists( 'mb_stripos' ) ) {
			$strlen = 'mb_strlen';
			$substr = 'mb_substr';
		} else {
			$strlen = 'strlen';
			$substr = 'substr';
		}

$via     = static::sharing_twitter_via( $post );
		$related = static::get_related_accounts( $post );
		if ( $via ) {
			$sig = " via @$via";
			if ( $related === $via ) {
				$related = false;
			}
		} else {
			$via = false;
			$sig = '';
		}

$suffix_length = $this->short_url_length + $strlen( $sig );
		// $sig is handled by twitter in their 'via' argument.
		// $post_link is handled by twitter in their 'url' argument.
		if ( 280 < $strlen( $post_title ) + $suffix_length ) {
			// The -1 is for "\xE2\x80\xA6", a UTF-8 ellipsis.
			$text = $substr( $post_title, 0, 280 - $suffix_length - 1 ) . "\xE2\x80\xA6";
		} else {
			$text = $post_title;
		}

// Record stats
		parent::process_request( $post, $post_data );

$url         = $post_link;
		$twitter_url = add_query_arg(
			rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
			'https://x.com/intent/tweet'
		);

parent::redirect_request( $twitter_url );
	}

/**
	 * Does this sharing source have a custom style.
	 *
	 * @return bool
	 */
	public function has_custom_button_style() {
		return $this->smart;
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		if ( $this->smart ) {
			?>
			<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
			<?php
		} else {
			$this->js_dialog( $this->shortname, array( 'height' => 350 ) );
		}
	}
}

/**
 * X sharing button.
 *
 * While the old Twitter button had an official button,
 * this new X button does not, since there is no official X button yet.
 */
class Share_X extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'x';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10e';

/**
	 * Length of a URL on X.
	 * https://developer.twitter.com/en/docs/tco
	 *
	 * @var int
	 */
	public $short_url_length = 24;

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'X', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		$via = static::sharing_x_via( $post );

if ( $via ) {
			$via = 'data-via="' . esc_attr( $via ) . '"';
		} else {
			$via = '';
		}

$related = static::get_related_accounts( $post );
		if ( ! empty( $related ) && $related !== $via ) {
			$related = 'data-related="' . esc_attr( $related ) . '"';
		} else {
			$related = '';
		}

if ( $this->smart ) {
			$share_url  = $this->get_share_url( $post->ID );
			$post_title = $this->get_share_title( $post->ID );
			return sprintf(
				'<a href="https://x.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>%5$s</a>',
				esc_url( $share_url ),
				esc_attr( $post_title ),
				$via,
				$related,
				esc_html__( 'Post', 'jetpack' )
			);
		} else {
			if (
				/** This filter is documented in modules/sharedaddy/sharing-sources.php */
				apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'x' )
			) {
				sharing_register_post_for_share_counts( $post->ID );
			}
			return $this->get_link(
				$this->get_process_request_url( $post->ID ),
				_x( 'X', 'share to', 'jetpack' ),
				__( 'Click to share on X', 'jetpack' ),
				'share=x',
				'sharing-x-' . $post->ID
			);
		}
	}

/**
	 * Determine the X 'via' value for a post.
	 *
	 * @param  WP_Post|int $post Post object or post ID.
	 * @return string X handle without the preceding @.
	 **/
	public static function sharing_x_via( $post ) {
		$post = get_post( $post );
		/** This filter is documented in modules/sharedaddy/sharing-sources.php */
		$twitter_site_tag_value = apply_filters(
			'jetpack_twitter_cards_site_tag',
			'',
			/** This action is documented in modules/sharedaddy/sharing-sources.php */
			array( 'twitter:creator' => apply_filters( 'jetpack_sharing_twitter_via', '', $post->ID ) )
		);

/** This filter is documented in modules/sharedaddy/sharing-sources.php */
		$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );

/**
	 * Determine the 'related' X accounts for a post.
	 *
	 * @param  WP_Post|int $post Post object or post ID.
	 * @return string Comma-separated list of X handles.
	 **/
	public static function get_related_accounts( $post ) {
		$post = get_post( $post );
		/** This filter is documented in modules/sharedaddy/sharing-sources.php */
		$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );

// Example related string: account1,account2:Account 2 description,account3
		$related = array();

$related[] = $related_account_username;
		}

return implode( ',', $related );
	}

if ( function_exists( 'mb_stripos' ) ) {
			$strlen = 'mb_strlen';
			$substr = 'mb_substr';
		} else {
			$strlen = 'strlen';
			$substr = 'substr';
		}

$via     = static::sharing_x_via( $post );
		$related = static::get_related_accounts( $post );
		if ( $via ) {
			$sig = " via @$via";
			if ( $related === $via ) {
				$related = false;
			}
		} else {
			$via = false;
			$sig = '';
		}

// Record stats
		parent::process_request( $post, $post_data );

$url         = $post_link;
		$twitter_url = add_query_arg(
			rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
			'https://x.com/intent/tweet'
		);

parent::redirect_request( $twitter_url );
	}

/**
	 * Does this sharing source have a custom style.
	 *
	 * @return bool
	 */
	public function has_custom_button_style() {
		return $this->smart;
	}
}

/**
 * Reddit sharing button.
 */
class Share_Reddit extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'reddit';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f222';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Reddit', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link(
			$this->get_process_request_url( $post->ID ),
			_x( 'Reddit', 'share to', 'jetpack' ),
			__( 'Click to share on Reddit', 'jetpack' ),
			'share=reddit',
			'sharing-reddit-' . $post->ID
		);
	}

/**
	 * AMP display for Reddit.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) {
		$attrs = array(
			'data-share-endpoint' => esc_url_raw( 'https://reddit.com/submit?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
		);

return $this->build_amp_markup( $attrs );
	}

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $reddit_url );
	}
}

/**
 * LinkedIn sharing button.
 */
class Share_LinkedIn extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'linkedin';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f207';

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'LinkedIn', 'jetpack' );
	}

/**
	 * Does this sharing source have a custom style.
	 *
	 * @return bool
	 */
	public function has_custom_button_style() {
		return $this->smart;
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		$display = '';

if ( $this->smart ) {
			$share_url = $this->get_share_url( $post->ID );
			$display  .= sprintf( '<div class="linkedin_button"><script type="in/share" data-url="%s" data-counter="right"></script></div>', esc_url( $share_url ) );
		} else {
			$display = $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'LinkedIn', 'share to', 'jetpack' ), __( 'Click to share on LinkedIn', 'jetpack' ), 'share=linkedin', 'sharing-linkedin-' . $post->ID );
		}

/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
		if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
			sharing_register_post_for_share_counts( $post->ID );
		}

return $display;
	}

$post_link = $this->get_share_url( $post->ID );

// Using the same URL as the official button, which is *not* LinkedIn's documented sharing link
		// https://www.linkedin.com/cws/share?url={url}&token=&isFramed=false
		$linkedin_url = add_query_arg(
			array(
				'url' => rawurlencode( $post_link ),
			),
			'https://www.linkedin.com/cws/share?token=&isFramed=false'
		);

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $linkedin_url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		if ( ! $this->smart ) {
			$this->js_dialog(
				$this->shortname,
				array(
					'width'  => 580,
					'height' => 450,
				)
			);
		} else {
			?>
			<script type="text/javascript">
				( function () {
					var currentScript = document.currentScript;

// Helper function to load an external script.
					function loadScript( url, cb ) {
						var script = document.createElement( 'script' );
						var prev = currentScript || document.getElementsByTagName( 'script' )[ 0 ];
						script.setAttribute( 'async', true );
						script.setAttribute( 'src', url );
						prev.parentNode.insertBefore( script, prev );
						script.addEventListener( 'load', cb );
					}

function init() {
						loadScript( 'https://platform.linkedin.com/in.js?async=true', function () {
							if ( typeof IN !== 'undefined' ) {
								IN.init();
							}
						} );
					}

if ( document.readyState === 'loading' ) {
						document.addEventListener( 'DOMContentLoaded', init );
					} else {
						init();
					}

document.body.addEventListener( 'is.post-load', function() {
						if ( typeof IN !== 'undefined' ) {
							IN.parse();
						}
					} );
				} )();
			</script>
			<?php
		}
	}
}

/**
 * Facebook sharing button.
 */
class Share_Facebook extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'facebook';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f204';

/**
	 * Sharing type.
	 *
	 * @var string
	 */
	private $share_type = 'default';

if ( isset( $settings['share_type'] ) ) {
			$this->share_type = $settings['share_type'];
		}

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Facebook', 'jetpack' );
	}

/**
	 * Add content specific to a service in the head.
	 */
	public function display_header() {
	}

/**
	 * Guess locale from language code.
	 *
	 * @param string $lang Language code.
	 *
	 * @return string|bool
	 */
	public function guess_locale_from_lang( $lang ) {
		if ( 'en' === $lang || 'en_US' === $lang || ! $lang ) {
			return 'en_US';
		}

if ( ! class_exists( 'GP_Locales' ) ) {
			if ( ! defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) || ! file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
				return false;
			}

require JETPACK__GLOTPRESS_LOCALES_PATH;
		}

if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
			// WP.com: get_locale() returns 'it'
			$locale = GP_Locales::by_slug( $lang );
		} else {
			// Jetpack: get_locale() returns 'it_IT';
			$locale = GP_Locales::by_field( 'wp_locale', $lang );
		}

if ( ! $locale ) {
			return false;
		}

if ( empty( $locale->facebook_locale ) ) {
			if ( empty( $locale->wp_locale ) ) {
				return false;
			} else {
				// Facebook SDK is smart enough to fall back to en_US if a
				// locale isn't supported. Since supported Facebook locales
				// can fall out of sync, we'll attempt to use the known
				// wp_locale value and rely on said fallback.
				return $locale->wp_locale;
			}
		}

return $locale->facebook_locale;
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		if ( $this->smart ) {
			$share_url     = $this->get_share_url( $post->ID );
			$fb_share_html = '<div class="fb-share-button" data-href="' . esc_attr( $share_url ) . '" data-layout="button_count"></div>';
			/**
			 * Filter the output of the Facebook Sharing button.
			 *
			 * @module sharedaddy
			 *
			 * @since 3.6.0
			 *
			 * @param string $fb_share_html Facebook Sharing button HTML.
			 * @param string $share_url URL of the post to share.
			 */
			return apply_filters( 'jetpack_sharing_facebook_official_button_output', $fb_share_html, $share_url );
		}

/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
		if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'facebook' ) ) {
			sharing_register_post_for_share_counts( $post->ID );
		}
		return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Facebook', 'share to', 'jetpack' ), __( 'Click to share on Facebook', 'jetpack' ), 'share=facebook', 'sharing-facebook-' . $post->ID );
	}

/**
	 * AMP display for Facebook.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		$attrs = array(
			/** This filter is documented in modules/sharedaddy/sharing-sources.php */
			'data-param-app_id' => apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' ),
		);

return $this->build_amp_markup( $attrs );
	}

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $fb_url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		$this->js_dialog( $this->shortname );
		if ( $this->smart ) {
			$locale = $this->guess_locale_from_lang( get_locale() );
			if ( ! $locale ) {
				$locale = 'en_US';
			}
			/**
			 * Filter the App ID used in the official Facebook Share button.
			 *
			 * @since 3.8.0
			 *
			 * @param int $fb_app_id Facebook App ID. Default to 249643311490 (WordPress.com's App ID).
			 */
			$fb_app_id = apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' );
			if ( is_numeric( $fb_app_id ) ) {
				$fb_app_id = '&appId=' . $fb_app_id;
			} else {
				$fb_app_id = '';
			}
			?>
			<div id="fb-root"></div>
			<script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = 'https://connect.facebook.net/<?php echo esc_attr( $locale ); ?>/sdk.js#xfbml=1<?php echo esc_attr( $fb_app_id ); ?>&version=v2.3'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script>
			<script>
			document.body.addEventListener( 'is.post-load', function() {
				if ( 'undefined' !== typeof FB ) {
					FB.XFBML.parse();
				}
			} );
			</script>
			<?php
		}
	}
}

/**
 * Print button.
 */
class Share_Print extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'print';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f469';

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Print', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link( $this->get_process_request_url( $post->ID ) . ( ( is_single() || is_page() ) ? '#print' : '' ), _x( 'Print', 'share to', 'jetpack' ), __( 'Click to print', 'jetpack' ), 'share=print', 'sharing-print-' . $post->ID );
	}

/**
	 * AMP display for Print.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) {
		if ( empty( $post ) ) {
			return false;
		}

return '<button class="amp-social-share print" on="tap:AMP.print">Print</button>';
	}
}

/**
 * Press This Button.
 */
class Share_PressThis extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'pressthis';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f205';

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Press This', 'jetpack' );
	}

$primary_blog = (int) get_user_meta( $current_user->ID, 'primary_blog', true );
		if ( $primary_blog ) {
			$primary_blog_details = get_blog_details( $primary_blog );
		} else {
			$primary_blog_details = false;
		}

if ( $primary_blog_details ) {
			$blogs = array( $primary_blog_details );
		} elseif ( function_exists( 'get_active_blogs_for_user' ) ) {
			$blogs = get_active_blogs_for_user();
			if ( empty( $blogs ) ) {
				$blogs = get_blogs_of_user( $current_user->ID );
			}
		} else {
			$blogs = get_blogs_of_user( $current_user->ID );
		}

if ( empty( $blogs ) ) {
			wp_safe_redirect( get_permalink( $post->ID ) );
			die( 0 );
		}

$blog = current( $blogs );

$args = array(
			'u' => rawurlencode( $this->get_share_url( $post->ID ) ),
		);

$args['url-scan-submit'] = 'Scan';
		$args['_wpnonce']        = wp_create_nonce( 'scan-site' );

$url = $blog->siteurl . '/wp-admin/press-this.php';
		$url = add_query_arg( $args, $url );

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $url );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Press This', 'share to', 'jetpack' ), __( 'Click to Press This!', 'jetpack' ), 'share=press-this', 'sharing-press-this-' . $post->ID );
	}

/**
	 * No AMP display for PressThis.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) { // phpcs:ignore
		return false;
	}
}

/**
 * Custom (user-defined) sharing button.
 */
class Share_Custom extends Sharing_Advanced_Source {
	/**
	 * Sharing service name.
	 *
	 * @var string
	 */
	private $name;

/**
	 * Sharing icon.
	 *
	 * @var string
	 */
	private $icon;

/**
	 * Sharing service URL.
	 *
	 * @var string
	 */
	private $url;

/**
	 * Does the service have an official version.
	 *
	 * @var bool
	 */
	public $smart = true;

/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname;

/**
	 * Custom sharing class.
	 *
	 * @return string
	 */
	public function get_class() {
		return 'custom share-custom-' . sanitize_html_class( strtolower( $this->name ) );
	}

if ( isset( $settings['name'] ) ) {
			$this->name      = $settings['name'];
			$this->shortname = preg_replace( '/[^a-z0-9]*/', '', $settings['name'] );
		}

if ( isset( $settings['icon'] ) ) {
			$this->icon = $settings['icon'];

$new_icon = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
			$i        = 0;
			while ( $new_icon !== $this->icon ) {
				if ( $i > 5 ) {
					$this->icon = false;
					break;
				} else {
					$this->icon = $new_icon;
					$new_icon   = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
				}
				++$i;
			}
		}

if ( isset( $settings['url'] ) ) {
			$this->url = $settings['url'];
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return $this->name;
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		$str = $this->get_link(
			$this->get_process_request_url( $post->ID ),
			esc_html( $this->name ),
			sprintf(
				/* Translators: placeholder is the name of a social network. */
				__( 'Click to share on %s', 'jetpack' ),
				esc_attr( $this->name )
			),
			'share=' . $this->id,
			'sharing-custom-' . $post->ID
		);

$style = 'background-image:url("' . addcslashes( esc_url_raw( $this->icon ), '"' ) . '");';
		$class = ( 'icon' === $this->button_style ) ? ' class="custom-sharing-span"' : '';
		return str_replace( '<span>', '<span' . $class . ' style="' . esc_attr( $style ) . '">', $str );
	}

/**
	 * No AMP display for custom elements.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return false;
	}

/**
	 * Process sharing request. Add actions that need to happen when sharing here.
	 *
	 * @param WP_Post $post Post object.
	 * @param array   $post_data Array of information about the post we're sharing.
	 *
	 * @return void
	 */
	public function process_request( $post, array $post_data ) {
		$url = str_replace( '&amp;', '&', $this->url );
		$url = str_replace( '%post_id%', rawurlencode( $post->ID ), $url );
		$url = str_replace( '%post_url%', rawurlencode( $this->get_share_url( $post->ID ) ), $url );
		$url = str_replace( '%post_full_url%', rawurlencode( get_permalink( $post->ID ) ), $url );
		$url = str_replace( '%post_title%', rawurlencode( $this->get_share_title( $post->ID ) ), $url );
		$url = str_replace( '%home_url%', rawurlencode( home_url() ), $url );
		$url = str_replace( '%post_slug%', rawurlencode( $post->post_name ), $url );

if ( strpos( $url, '%post_tags%' ) !== false ) {
			$tags   = get_the_tags( $post->ID );
			$tagged = '';

if ( $tags ) {
				$tagged_raw = array();
				foreach ( $tags as $tag ) {
					$tagged_raw[] = rawurlencode( $tag->name );
				}

$tagged = implode( ',', $tagged_raw );
			}

$url = str_replace( '%post_tags%', $tagged, $url );
		}

if ( strpos( $url, '%post_excerpt%' ) !== false ) {
			$url_excerpt = $post->post_excerpt;
			if ( empty( $url_excerpt ) ) {
				$url_excerpt = $post->post_content;
			}

$url_excerpt = wp_strip_all_tags( strip_shortcodes( $url_excerpt ) );
			$url_excerpt = wp_html_excerpt( $url_excerpt, 100 );
			$url_excerpt = rtrim( preg_replace( '/[^ .]*$/', '', $url_excerpt ) );
			$url         = str_replace( '%post_excerpt%', rawurlencode( $url_excerpt ), $url );
		}

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $url );
	}

/**
	 * Display options for our sharing buttons.
	 *
	 * @return void
	 */
	public function display_options() {
		?>
<div class="input">
	<table class="form-table">
		<tbody>
			<tr>
				<th scope="row"><?php esc_html_e( 'Label', 'jetpack' ); ?></th>
				<td><input type="text" name="name" value="<?php echo esc_attr( $this->name ); ?>" /></td>
			</tr>

<tr>
				<th scope="row"></th>
				<td>
					<input class="button-secondary" type="submit" value="<?php esc_attr_e( 'Save', 'jetpack' ); ?>" />
					<a href="#" class="remove"><small><?php esc_html_e( 'Remove Service', 'jetpack' ); ?></small></a>
				</td>
			</tr>
		</tbody>
	</table>
</div>
		<?php
	}

/**
	 * Sanitize and save options for our sharing buttons.
	 *
	 * @param array $data Data to be saved.
	 *
	 * @return void
	 */
	public function update_options( array $data ) {
		$name = trim( wp_html_excerpt( wp_kses( stripslashes( $data['name'] ), array() ), 30 ) );
		$url  = trim( esc_url_raw( $data['url'] ) );
		$icon = trim( esc_url_raw( $data['icon'] ) );

if ( $name ) {
			$this->name = $name;
		}

if ( $url ) {
			$this->url = $url;
		}

if ( $icon ) {
			$this->icon = $icon;
		}
	}

/**
	 * Get array of information about the service.
	 *
	 * @return array
	 */
	public function get_options() {
		return array(
			'name' => $this->name,
			'icon' => $this->icon,
			'url'  => $this->url,
		);
	}

/**
	 * Display a preview of the sharing button.
	 *
	 * @param bool        $echo         Whether to echo the output or return it.
	 * @param bool        $force_smart  Whether to force the smart (official) services to be shown.
	 * @param null|string $button_style Button style.
	 *
	 * @return void
	 */
	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		$opts = $this->get_options();

$text = '&nbsp;';
		if ( ! $this->smart ) {
			if ( $this->button_style !== 'icon' ) {
				$text = $this->get_name();
			}
		}

$klasses = array( 'share-' . $this->shortname );

if ( $this->button_style === 'icon' || $this->button_style === 'icon-text' ) {
			$klasses[] = 'share-icon';
		}

if ( $this->button_style === 'icon' ) {
			$text      = '';
			$klasses[] = 'no-text';
		}

if ( $this->button_style === 'text' ) {
			$klasses[] = 'no-icon';
		}

$link = sprintf(
			'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span style="background-image:url(&quot;%s&quot;) !important;background-position:left center;background-repeat:no-repeat;">%s</span></a>',
			esc_attr( implode( ' ', $klasses ) ),
			esc_attr( $this->get_name() ),
			addcslashes( esc_url_raw( $opts['icon'] ), '"' ),
			esc_html( $text )
		);
		?>
		<div class="option option-smart-off">
		<?php echo $link; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped above. ?>
		</div>
		<?php
	}
}

/**
 * Tumblr sharing service.
 */
class Share_Tumblr extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'tumblr';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f214';

/**
	 * Constructor.
	 *
	 * @param int   $id       Sharing source ID.
	 * @param array $settings Sharing settings.
	 */
	public function __construct( $id, array $settings ) {
		parent::__construct( $id, $settings );
		if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Tumblr', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		if ( $this->smart ) {
			$target = '';
			if ( true === $this->open_link_in_new ) {
				$target = '_blank';
			}

/**
			 * If we are looking at a single post, let Tumblr figure out the post type (text, photo, link, quote, chat, or video)
			 * based on the content available on the page.
			 * If we are not looking at a single post, content from other posts can appear on the page and Tumblr will pick that up.
			 * In this case, we want Tumblr to focus on our current post, so we will limit the post type to link, where we can give Tumblr a link to our post.
			 */
			if ( ! is_single() ) {
				$posttype = 'data-posttype="link"';
			} else {
				$posttype = '';
			}

// Documentation: https://www.tumblr.com/docs/en/share_button
			return sprintf(
				'<a class="tumblr-share-button" target="%1$s" href="%2$s" data-title="%3$s" data-content="%4$s" title="%5$s"%6$s>%5$s</a>',
				$target,
				'https://www.tumblr.com/share',
				$this->get_share_title( $post->ID ),
				$this->get_share_url( $post->ID ),
				__( 'Share on Tumblr', 'jetpack' ),
				$posttype
			);
		} else {
			return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Tumblr', 'share to', 'jetpack' ), __( 'Click to share on Tumblr', 'jetpack' ), 'share=tumblr', 'sharing-tumblr-' . $post->ID );
		}
	}

// Redirect to Tumblr's sharing endpoint (a la their bookmarklet)
		$url = 'https://www.tumblr.com/share?v=3&u=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&t=' . rawurlencode( $this->get_share_title( $post->ID ) ) . '&s=';

parent::redirect_request( $url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		if ( $this->smart ) {
			// phpcs:disable WordPress.WP.EnqueuedResources.NonEnqueuedScript
			?>
			<script id="tumblr-js" type="text/javascript" src="https://assets.tumblr.com/share-button.js"></script>
			<?php
			// phpcs:enable WordPress.WP.EnqueuedResources.NonEnqueuedScript
		} else {
			$this->js_dialog(
				$this->shortname,
				array(
					'width'  => 450,
					'height' => 450,
				)
			);
		}
	}
}

/**
 * Pinterest sharing service.
 */
class Share_Pinterest extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'pinterest';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f209';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Pinterest', 'jetpack' );
	}

/**
	 * Get image representative of the post to pass on to Pinterest.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_image( $post ) {
		if ( class_exists( 'Jetpack_PostImages' ) ) {
			$image = Jetpack_PostImages::get_image( $post->ID, array( 'fallback_to_avatars' => true ) );
			if ( ! empty( $image ) ) {
				return $image['src'];
			}
		}

/**
		 * Filters the default image used by the Pinterest Pin It share button.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.6.0
		 *
		 * @param string $url Default image URL.
		 */
		return apply_filters( 'jetpack_sharing_pinterest_default_image', 'https://s0.wp.com/i/blank.jpg' );
	}

/**
	 * Get Pinterest external sharing URL.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_external_url( $post ) {
		$url = 'https://www.pinterest.com/pin/create/button/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&media=' . rawurlencode( $this->get_image( $post ) ) . '&description=' . rawurlencode( $post->post_title );

/**
		 * Filters the Pinterest share URL used in sharing button output.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.6.0
		 *
		 * @param string $url Pinterest share URL.
		 */
		return apply_filters( 'jetpack_sharing_pinterest_share_url', $url );
	}

/**
	 * Get Pinterest widget type.
	 *
	 * @return string
	 */
	public function get_widget_type() {
		/**
		 * Filters the Pinterest widget type.
		 *
		 * @see https://business.pinterest.com/en/widget-builder
		 *
		 * @module sharedaddy
		 *
		 * @since 3.6.0
		 *
		 * @param string $type Pinterest widget type. Default of 'buttonPin' for single-image selection. 'buttonBookmark' for multi-image modal.
		 */
		return apply_filters( 'jetpack_sharing_pinterest_widget_type', 'buttonPin' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		$display = '';

if ( $this->smart ) {
			$display = sprintf(
				'<div class="pinterest_button"><a href="%s" data-pin-do="%s" data-pin-config="beside"><img src="//assets.pinterest.com/images/pidgets/pinit_fg_en_rect_gray_20.png" /></a></div>',
				esc_url( $this->get_external_url( $post ) ),
				esc_attr( $this->get_widget_type() )
			);
		} else {
			$display = $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Pinterest', 'share to', 'jetpack' ), __( 'Click to share on Pinterest', 'jetpack' ), 'share=pinterest', 'sharing-pinterest-' . $post->ID );
		}

return $display;
	}

/**
	 * Process sharing request. Add actions that need to happen when sharing here.
	 *
	 * @param WP_Post $post Post object.
	 * @param array   $post_data Array of information about the post we're sharing.
	 *
	 * @return void
	 */
	public function process_request( $post, array $post_data ) {
		// Record stats
		parent::process_request( $post, $post_data );
		// If we're triggering the multi-select panel, then we don't need to redirect to Pinterest
		if ( ! isset( $_GET['js_only'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$pinterest_url = esc_url_raw( $this->get_external_url( $post ) );
			parent::redirect_request( $pinterest_url );
		} else {
			echo '// share count bumped';
			die( 0 );
		}
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		/**
		 * Filter the Pin it button appearing when hovering over images when using the official button style.
		 *
		 * @module sharedaddy
		 *
		 * @since 3.6.0
		 *
		 * @param bool $jetpack_pinit_over True by default, displays the Pin it button when hovering over images.
		 */
		$jetpack_pinit_over = apply_filters( 'jetpack_pinit_over_button', true );
		?>
		<?php if ( $this->smart ) : ?>
			<script type="text/javascript">
				( function () {
					// Pinterest shared resources
					var s = document.createElement( 'script' );
					s.type = 'text/javascript';
					s.async = true;
					<?php
					if ( $jetpack_pinit_over ) {
						echo "s.setAttribute( 'data-pin-hover', true );";
					}
					?>
					s.src = window.location.protocol + '//assets.pinterest.com/js/pinit.js';
					var x = document.getElementsByTagName( 'script' )[ 0 ];
					x.parentNode.insertBefore(s, x);
					// if 'Pin it' button has 'counts' make container wider
					function init() {
						var shares = document.querySelectorAll( 'li.share-pinterest' );
						for ( var i = 0; i < shares.length; i++ ) {
							var share = shares[ i ];
							var countElement = share.querySelector( 'a span' );
							if (countElement) {
								var countComputedStyle = window.getComputedStyle(countElement);
								if ( countComputedStyle.display === 'block' ) {
									var countWidth = parseInt( countComputedStyle.width, 10 );
									share.style.marginRight = countWidth + 11 + 'px';
								}
							}
						}
					}

if ( document.readyState !== 'complete' ) {
						document.addEventListener( 'load', init );
					} else {
						init();
					}
				} )();
			</script>
		<?php elseif ( 'buttonPin' !== $this->get_widget_type() ) : ?>
			<script type="text/javascript">
				( function () {
					function init() {
						document.body.addEventListener( 'click', function ( e ) {
							if ( e.target && (
								e.target.matches && e.target.matches( 'a.share-pinterest' ) ||
								e.target.msMatchesSelector && e.target.msMatchesSelector( 'a.share-pinterest' )
							) ) {
								e.preventDefault();
								// Load Pinterest Bookmarklet code
								var s = document.createElement( 'script' );
								s.type = 'text/javascript';
								s.src = window.location.protocol + '//assets.pinterest.com/js/pinmarklet.js?r=' + ( Math.random() * 99999999 );
								var x = document.getElementsByTagName( 'script' )[ 0 ];
								x.parentNode.insertBefore( s, x );
								// Trigger Stats
								var s = document.createElement( 'script' );
								s.type = 'text/javascript';
								s.src = e.target.href + ( e.target.href.indexOf( '?' ) ? '&' : '?' ) + 'js_only=1';
								var x = document.getElementsByTagName( 'script' )[ '0' ];
								x.parentNode.insertBefore( s, x );
							}
						} );
					}

if ( document.readyState === 'loading' ) {
						document.addEventListener( 'DOMContentLoaded', init );
					} else {
						init();
					}
				} )();
			</script>
			<?php
		endif;
	}
}

/**
 * Pocket sharing service.
 */
class Share_Pocket extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'pocket';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f224';

if ( 'official' === $this->button_style ) {
			$this->smart = true;
		} else {
			$this->smart = false;
		}
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Pocket', 'jetpack' );
	}

$pocket_url = esc_url_raw( 'https://getpocket.com/save/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) );

parent::redirect_request( $pocket_url );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		if ( $this->smart ) {
			$post_count = 'horizontal';

$button  = '';
			$button .= '<div class="pocket_button">';
			$button .= sprintf( '<a href="https://getpocket.com/save" class="pocket-btn" data-lang="%s" data-save-url="%s" data-pocket-count="%s" >%s</a>', 'en', esc_attr( $this->get_share_url( $post->ID ) ), $post_count, esc_attr__( 'Pocket', 'jetpack' ) );
			$button .= '</div>';

return $button;
		} else {
			return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Pocket', 'share to', 'jetpack' ), __( 'Click to share on Pocket', 'jetpack' ), 'share=pocket', 'sharing-pocket-' . $post->ID );
		}
	}

/**
	 * AMP display for Pocket.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) {
		$attrs = array(
			'data-share-endpoint' => esc_url_raw( 'https://getpocket.com/save/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
		);

return $this->build_amp_markup( $attrs );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		if ( $this->smart ) :
			?>
		<script>
		( function () {
			var currentScript = document.currentScript;

// Don't use Pocket's default JS as it we need to force init new Pocket share buttons loaded via JS.
			function jetpack_sharing_pocket_init() {
				var script = document.createElement( 'script' );
				var prev = currentScript || document.getElementsByTagName( 'script' )[ 0 ];
				script.setAttribute( 'async', true );
				script.setAttribute( 'src', 'https://widgets.getpocket.com/v1/j/btn.js?v=1' );
				prev.parentNode.insertBefore( script, prev );
			}

if ( document.readyState === 'loading' ) {
				document.addEventListener( 'DOMContentLoaded', jetpack_sharing_pocket_init );
			} else {
				jetpack_sharing_pocket_init();
			}
			document.body.addEventListener( 'is.post-load', jetpack_sharing_pocket_init );
		} )();
		</script>
			<?php
		else :
			$this->js_dialog(
				$this->shortname,
				array(
					'width'  => 450,
					'height' => 450,
				)
			);
		endif;
	}
}

/**
 * Telegram sharing service.
 */
class Share_Telegram extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'telegram';

/**
	 * Constructor.
	 *
	 * @param int   $id       Sharing source ID.
	 * @param array $settings Sharing settings.
	 */
	public function __construct( $id, array $settings ) { // phpcs:ignore Generic.CodeAnalysis.UselessOverridingMethod.Found
		parent::__construct( $id, $settings );
	}

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Telegram', 'jetpack' );
	}

$telegram_url = esc_url_raw( 'https://telegram.me/share/url?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&text=' . rawurlencode( $this->get_share_title( $post->ID ) ) );

parent::redirect_request( $telegram_url );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Telegram', 'share to', 'jetpack' ), __( 'Click to share on Telegram', 'jetpack' ), 'share=telegram', 'sharing-telegram-' . $post->ID );
	}

/**
	 * AMP display for Telegram.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) {
		$attrs = array(
			'data-share-endpoint' => esc_url_raw( 'https://telegram.me/share/url?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&text=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
		);

return $this->build_amp_markup( $attrs );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		$this->js_dialog(
			$this->shortname,
			array(
				'width'  => 450,
				'height' => 450,
			)
		);
	}
}

/**
 * WhatsApp sharing service.
 */
class Jetpack_Share_WhatsApp extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'jetpack-whatsapp';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'WhatsApp', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'WhatsApp', 'share to', 'jetpack' ), __( 'Click to share on WhatsApp', 'jetpack' ), 'share=jetpack-whatsapp', 'sharing-whatsapp-' . $post->ID );
	}

/**
	 * AMP display for Whatsapp.
	 *
	 * @param \WP_Post $post The current post being viewed.
	 */
	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		$attrs = array(
			'type' => 'whatsapp',
		);

return $this->build_amp_markup( $attrs );
	}

// Firefox for desktop doesn't handle the "api.whatsapp.com" URL properly, so use "web.whatsapp.com"
		if ( User_Agent_Info::is_firefox_desktop() ) {
			$url = 'https://web.whatsapp.com/send?text=';
		} else {
			$url = 'https://api.whatsapp.com/send?text=';
		}

$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );

parent::redirect_request( $url );
	}
}

/**
 * Mastodon sharing service.
 */
class Share_Mastodon extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'mastodon';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10a';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Mastodon', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link(
			$this->get_process_request_url( $post->ID ),
			_x( 'Mastodon', 'share to', 'jetpack' ),
			__( 'Click to share on Mastodon', 'jetpack' ),
			'share=mastodon',
			'sharing-mastodon-' . $post->ID
		);
	}

check_admin_referer( 'jetpack_share_mastodon_instance' );

$mastodon_instance = isset( $_POST['jetpack-mastodon-instance'] )
			? trailingslashit( sanitize_text_field( wp_unslash( $_POST['jetpack-mastodon-instance'] ) ) )
			: null;

$post_title = $this->get_share_title( $post->ID );
		$post_link  = $this->get_share_url( $post->ID );
		$post_tags  = $this->get_share_tags( $post->ID );

/**
		 * Allow filtering the default message that gets posted to Mastodon.
		 *
		 * @module sharedaddy
		 * @since 11.9
		 *
		 * @param string  $share_url The default message that gets posted to Mastodon.
		 * @param WP_Post $post      The post object.
		 * @param array   $post_data Array of information about the post we're sharing.
		 */
		$shared_message = apply_filters(
			'jetpack_sharing_mastodon_default_message',
			$post_title . ' ' . $post_link . ' ' . $post_tags,
			$post,
			$post_data
		);

$share_url = sprintf(
			'%1$sshare?text=%2$s',
			$mastodon_instance,
			rawurlencode( $shared_message )
		);

// Record stats
		parent::process_request( $post, $post_data );

parent::redirect_request( $share_url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		$this->js_dialog(
			$this->shortname,
			array(
				'width'  => 460,
				'height' => 400,
			)
		);
	}
}

/**
 * Nextdoor sharing service.
 */
class Share_Nextdoor extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'nextdoor';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10c';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Nextdoor', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link(
			$this->get_process_request_url( $post->ID ),
			_x( 'Nextdoor', 'share to', 'jetpack' ),
			__( 'Click to share on Nextdoor', 'jetpack' ),
			'share=nextdoor',
			'sharing-nextdoor-' . $post->ID
		);
	}

$url  = 'https://nextdoor.com/sharekit/?source=jetpack&body=';
		$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );

parent::redirect_request( $url );
	}
}

/**
 * Threads sharing service.
 */
class Share_Threads extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'threads';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10d';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Threads', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link(
			$this->get_process_request_url( $post->ID ),
			_x( 'Threads', 'share to', 'jetpack' ),
			__( 'Click to share on Threads', 'jetpack' ),
			'share=threads',
			'sharing-threads-' . $post->ID
		);
	}

$url  = 'https://threads.net/intent/post?text=';
		$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );

parent::redirect_request( $url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		$this->js_dialog( $this->shortname );
	}
}

/**
 * Bluesky sharing service.
 */
class Share_Bluesky extends Sharing_Source {
	/**
	 * Service short name.
	 *
	 * @var string
	 */
	public $shortname = 'bluesky';

/**
	 * Service icon font code.
	 *
	 * @var string
	 */
	public $icon = '\f10f';

/**
	 * Service name.
	 *
	 * @return string
	 */
	public function get_name() {
		return __( 'Bluesky', 'jetpack' );
	}

/**
	 * Get the markup of the sharing button.
	 *
	 * @param WP_Post $post Post object.
	 *
	 * @return string
	 */
	public function get_display( $post ) {
		return $this->get_link(
			$this->get_process_request_url( $post->ID ),
			_x( 'Bluesky', 'share to', 'jetpack' ),
			__( 'Click to share on Bluesky', 'jetpack' ),
			'share=bluesky',
			'sharing-bluesky-' . $post->ID
		);
	}

$url  = 'https://bsky.app/intent/compose?text=';
		$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );

parent::redirect_request( $url );
	}

/**
	 * Add content specific to a service in the footer.
	 */
	public function display_footer() {
		$this->js_dialog( $this->shortname );
	}
}

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