/wp-content/plugins/jetpack/modules/publicize.php
PHP | 340 lines | 223 code | 59 blank | 58 comment | 44 complexity | 0f099d0b3dee682b624fff74ee7c74cc MD5 | raw file
- <?php
- /**
- * Module Name: Publicize
- * Module Description: Share new posts on social media networks automatically.
- * Sort Order: 10
- * Recommendation Order: 7
- * First Introduced: 2.0
- * Requires Connection: Yes
- * Auto Activate: Yes
- * Module Tags: Social, Recommended
- * Feature: Recommended
- */
- class Jetpack_Publicize {
- var $in_jetpack = true;
- function __construct() {
- global $publicize_ui;
- $this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false;
- if ( $this->in_jetpack && method_exists( 'Jetpack', 'module_configuration_load' ) ) {
- Jetpack::enable_module_configurable( __FILE__ );
- Jetpack::module_configuration_load( __FILE__, array( $this, 'jetpack_configuration_load' ) );
- add_action( 'init', array( $this, 'sync_posts_init' ), 999 );
- }
- require_once dirname( __FILE__ ) . '/publicize/publicize.php';
- if ( $this->in_jetpack )
- require_once dirname( __FILE__ ) . '/publicize/publicize-jetpack.php';
- else {
- require_once dirname( dirname( __FILE__ ) ) . '/mu-plugins/keyring/keyring.php';
- require_once dirname( __FILE__ ) . '/publicize/publicize-wpcom.php';
- }
- require_once dirname( __FILE__ ) . '/publicize/ui.php';
- $publicize_ui = new Publicize_UI();
- $publicize_ui->in_jetpack = $this->in_jetpack;
- // Jetpack specific checks / hooks
- if ( $this->in_jetpack) {
- add_action( 'jetpack_activate_module_publicize', array( $this, 'module_state_toggle' ) );
- add_action( 'jetpack_deactivate_module_publicize', array( $this, 'module_state_toggle' ) );
- add_filter( 'jetpack_sync_post_module_custom_data', array( $this, 'sync_post_module_custom_data' ), 10, 2 );
- // if sharedaddy isn't active, the sharing menu hasn't been added yet
- $active = Jetpack::get_active_modules();
- if ( in_array( 'publicize', $active ) && !in_array( 'sharedaddy', $active ) )
- add_action( 'admin_menu', array( &$publicize_ui, 'sharing_menu' ) );
- }
- }
- function sync_posts_init() {
- $post_types = array( 'post', 'page' );
- $all_post_types = get_post_types();
- foreach ( $all_post_types as $post_type ) {
- // sync Custom Post Types that support publicize
- if ( post_type_supports( $post_type, 'publicize' ) ) {
- $post_types[] = $post_type;
- }
- }
- Jetpack_Sync::sync_posts( __FILE__, array(
- 'post_types' => $post_types,
- ) );
- }
- function sync_post_module_custom_data( $custom_data, $post ) {
- if ( post_type_supports( get_post_type( $post ), 'publicize' ) ) {
- $custom_data['cpt_publicizeable'] = true;
- }
- return $custom_data;
- }
- function module_state_toggle() {
- // extra check that we are on the JP blog, just incase
- if ( class_exists( 'Jetpack' ) && $this->in_jetpack ) {
- $jetpack = Jetpack::init();
- $jetpack->sync->register( 'noop' );
- }
- }
- function jetpack_configuration_load() {
- wp_safe_redirect( menu_page_url( 'sharing', false ) );
- exit;
- }
- }
- global $publicize_ui;
- new Jetpack_Publicize;
- /**
- * Helper functions for shared use in the services files
- */
- class Publicize_Util {
- /**
- * Truncates a string to be shorter than or equal to the length specified
- * Attempts to truncate on word boundaries
- *
- * @param string $string
- * @param int $length
- * @return string
- */
- public static function crop_str( $string, $length = 256 ) {
- $string = Publicize_Util::sanitize_message( $string );
- $length = absint( $length );
- if ( mb_strlen( $string, 'UTF-8' ) <= $length ) {
- return $string;
- }
- // @see wp_trim_words()
- if ( 'characters' == _x( 'words', 'word count: words or characters?', 'jetpack' ) ) {
- return trim( mb_substr( $string, 0, $length - 1, 'UTF-8' ) ) . "\xE2\x80\xA6"; // ellipsis
- }
- $words = explode( ' ', $string );
- $return = '';
- while ( strlen( $word = array_shift( $words ) ) ) {
- $new_return = $return ? "$return $word" : $word;
- $new_return_length = mb_strlen( $new_return, 'UTF-8' );
- if ( $new_return_length < $length - 1 ) {
- $return = $new_return;
- continue;
- } elseif ( $new_return_length == $length - 1 ) {
- $return = $new_return;
- break;
- }
- if ( !$return ) {
- $return = mb_substr( $new_return, 0, $length - 1, 'UTF-8' );
- }
- break;
- }
- return "$return\xE2\x80\xA6"; // ellipsis
- }
- /**
- * Returns an array of DOMNodes that are comments (including recursing child nodes)
- *
- * @param DOMNode $node
- * @return array
- */
- function get_comment_nodes( $node ) {
- $comment_nodes = array();
- foreach ( $node->childNodes as $child ) {
- if ( XML_COMMENT_NODE === $child->nodeType ) {
- $comment_nodes[] = $child;
- }
- if ( $child->hasChildNodes() ) {
- $child_comment_nodes = self::get_comment_nodes( $child );
- $comment_nodes = array_merge( $comment_nodes, $child_comment_nodes );
- }
- }
- return $comment_nodes;
- }
- /**
- * Truncates HTML so that its textContent (text without markup) is shorter than or equal to the length specified.
- * The length of the returned string may be larger than the specified length due to the markup.
- * Attempts to truncate on word boundaries.
- *
- * @param string $string
- * @param int $length
- * @param array $allowed_tags KSES input
- * @return string
- */
- function crop_html( $string, $length = 256, $allowed_tags = array() ) {
- $tags = $GLOBALS['allowedtags']; // Markup allowed in comments...
- $tags['img'] = array( // ... plus images ...
- 'alt' => true,
- 'height' => true,
- 'src' => true,
- 'width' => true,
- );
- // ... and some other basics
- $tags['p'] = array();
- $tags['ul'] = array();
- $tags['ol'] = array();
- $tags['li'] = array();
- $tags['br'] = array();
- $tags = array_merge( $tags, $allowed_tags );
- // Clean up, then KSES to really lock it down
- $string = trim( (string) $string );
- $string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string );
- $string = wp_kses( $string, $tags );
- $string = mb_convert_encoding( $string, 'HTML-ENTITIES', 'UTF-8' );
- $dom = new DOMDocument( '1.0', 'UTF-8' );
- @$dom->loadHTML( "<html><body>$string</body></html>" ); // suppress parser warning
- // Strip comment nodes, if any
- $comment_nodes = self::get_comment_nodes( $dom->documentElement );
- foreach ( $comment_nodes as &$comment_node ) {
- $comment_node->parentNode->removeChild( $comment_node );
- }
- if ( $comment_nodes ) {
- // Update the $string (some return paths work from just $string)
- $string = $dom->saveHTML();
- $string = preg_replace( '/^<!DOCTYPE.+?>/', '', $string );
- $string = str_replace( array('<html>', '</html>', '<body>', '</body>' ), array( '', '', '', '' ), $string );
- $string = trim( $string );
- }
- // Find the body
- $body = false;
- foreach ( $dom->childNodes as $child ) {
- if ( XML_ELEMENT_NODE === $child->nodeType && 'html' === strtolower( $child->tagName ) ) {
- $body = $child->firstChild;
- break;
- }
- }
- if ( !$body ) {
- return self::crop_str( $string, $length );
- }
- // If the text (without the markup) is shorter than $length, just return
- if ( mb_strlen( $body->textContent, 'UTF-8' ) <= $length ) {
- return $string;
- }
- $node = false;
- do {
- $node = self::remove_innermost_last_child( $body, $node_removed_from );
- $new_string_length = mb_strlen( $body->textContent, 'UTF-8' );
- } while ( $new_string_length > $length );
- $new_string = $dom->saveHTML( $body );
- $new_string = mb_substr( $new_string, 6, -7, 'UTF-8' ); // 6: <body>, 7: </body>
- if ( !$node ) {
- return $new_string ? $new_string : self::crop_str( $string, $length );
- }
- $append_string_length = $length - $new_string_length;
- if ( !$append_string_length ) {
- return $new_string;
- }
- if ( $append_string_length > 1 && XML_TEXT_NODE === $node->nodeType ) { // 1: ellipsis
- $append_string = self::crop_str( $node->textContent, $append_string_length ); // includes ellipsis
- $append_node = $dom->createTextNode( $append_string );
- $node_removed_from->appendChild( $append_node );
- $new_string = $dom->saveHTML( $body );
- $new_string = mb_substr( $new_string, 6, -7, 'UTF-8' );
- } elseif ( $append_string_length > 9 && XML_ELEMENT_NODE === $node->nodeType && 'p' == strtolower( $node->nodeName ) ) { // 9: '<p>X{\xE2\x80\xA6}</p>'
- $new_string .= '<p>' . self::crop_str( $node->textContent, $append_string_length - 8 ) . '</p>';
- }
- // Clean up any empty Paragraphs that might have occurred after removing their children
- return trim( preg_replace( '#<p>\s*</p>#i', '', $new_string ) );
- }
- function remove_innermost_last_child( $node, &$node_removed_from ) {
- $node_removed_from = $node;
- if ( !$node->lastChild ) {
- return false;
- }
- if ( $node->lastChild->hasChildNodes() ) {
- return self::remove_innermost_last_child( $node->lastChild, $node_removed_from );
- }
- $innermost_last_child = $node->lastChild;
- $node->removeChild( $innermost_last_child );
- return $innermost_last_child;
- }
- function bump_stats_extras_publicize_url( $bin, $post_id ) {
- static $done = array();
- if ( isset( $done[$post_id] ) ) {
- return;
- }
- $done[$post_id] = true;
- if ( function_exists( 'bump_stats_extras' ) )
- bump_stats_extras( 'publicize_url', $bin );
- }
- public static function build_sprintf( $args ) {
- $search = array();
- $replace = array();
- foreach ( $args as $k => $arg ) {
- if ( 0 == $k ) {
- $string = $arg;
- continue;
- }
- $search[] = "%$arg%";
- $replace[] = "%$k\$s";
- }
- return str_replace( $search, $replace, $string );
- }
- public static function sanitize_message( $message ) {
- $message = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $message );
- $message = wp_kses( $message, array() );
- $message = preg_replace('/[\r\n\t ]+/', ' ', $message);
- $message = trim( $message );
- $message = htmlspecialchars_decode( $message, ENT_QUOTES );
- return $message;
- }
- }
- if( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) && ! function_exists( 'publicize_init' ) ) {
- /**
- * Helper for grabbing a Publicize object from the "front-end" (non-admin) of
- * a site. Normally Publicize is only loaded in wp-admin, so there's a little
- * set up that you might need to do if you want to use it on the front end.
- * Just call this function and it returns a Publicize object.
- *
- * @return Publicize Object
- */
- function publicize_init() {
- global $publicize;
- if ( ! class_exists( 'Publicize' ) ) {
- require_once dirname( __FILE__ ) . '/publicize/publicize.php';
- }
- return $publicize;
- }
- }