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<?php |
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/** |
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* Module Name: Publicize |
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* Module Description: Automated social marketing. |
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* Sort Order: 10 |
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* Recommendation Order: 7 |
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* First Introduced: 2.0 |
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* Requires Connection: Yes |
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* Auto Activate: Yes |
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* Module Tags: Social, Recommended |
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* Feature: Engagement |
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* Additional Search Queries: facebook, twitter, google+, googleplus, google, path, tumblr, linkedin, social, tweet, connections, sharing |
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*/ |
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|
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class Jetpack_Publicize { |
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|
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public $in_jetpack = true; |
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|
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function __construct() { |
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global $publicize_ui; |
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|
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$this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false; |
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|
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if ( $this->in_jetpack && method_exists( 'Jetpack', 'module_configuration_load' ) ) { |
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Jetpack::enable_module_configurable( __FILE__ ); |
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Jetpack::module_configuration_load( __FILE__, array( $this, 'jetpack_configuration_load' ) ); |
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} |
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|
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require_once dirname( __FILE__ ) . '/publicize/publicize.php'; |
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|
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if ( $this->in_jetpack ) |
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require_once dirname( __FILE__ ) . '/publicize/publicize-jetpack.php'; |
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else { |
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require_once dirname( dirname( __FILE__ ) ) . '/mu-plugins/keyring/keyring.php'; |
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require_once dirname( __FILE__ ) . '/publicize/publicize-wpcom.php'; |
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} |
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|
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require_once dirname( __FILE__ ) . '/publicize/ui.php'; |
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$publicize_ui = new Publicize_UI(); |
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$publicize_ui->in_jetpack = $this->in_jetpack; |
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|
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// Jetpack specific checks / hooks |
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if ( $this->in_jetpack) { |
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// if sharedaddy isn't active, the sharing menu hasn't been added yet |
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$active = Jetpack::get_active_modules(); |
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if ( in_array( 'publicize', $active ) && !in_array( 'sharedaddy', $active ) ) |
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add_action( 'admin_menu', array( &$publicize_ui, 'sharing_menu' ) ); |
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} |
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} |
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|
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function jetpack_configuration_load() { |
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wp_safe_redirect( menu_page_url( 'sharing', false ) ); |
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exit; |
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} |
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} |
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|
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global $publicize_ui; |
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new Jetpack_Publicize; |
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|
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/** |
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* Helper functions for shared use in the services files |
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*/ |
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class Publicize_Util { |
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/** |
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* Truncates a string to be shorter than or equal to the length specified |
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* Attempts to truncate on word boundaries |
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* |
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* @param string $string |
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* @param int $length |
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* @return string |
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*/ |
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public static function crop_str( $string, $length = 256 ) { |
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$string = Publicize_Util::sanitize_message( $string ); |
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$length = absint( $length ); |
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|
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if ( mb_strlen( $string, 'UTF-8' ) <= $length ) { |
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return $string; |
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} |
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|
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// @see wp_trim_words() |
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if ( 'characters' == _x( 'words', 'word count: words or characters?', 'jetpack' ) ) { |
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return trim( mb_substr( $string, 0, $length - 1, 'UTF-8' ) ) . "\xE2\x80\xA6"; // ellipsis |
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} |
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|
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$words = explode( ' ', $string ); |
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|
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$return = ''; |
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while ( strlen( $word = array_shift( $words ) ) ) { |
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$new_return = $return ? "$return $word" : $word; |
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$new_return_length = mb_strlen( $new_return, 'UTF-8' ); |
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if ( $new_return_length < $length - 1 ) { |
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$return = $new_return; |
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continue; |
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} elseif ( $new_return_length == $length - 1 ) { |
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$return = $new_return; |
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break; |
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} |
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|
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if ( !$return ) { |
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$return = mb_substr( $new_return, 0, $length - 1, 'UTF-8' ); |
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} |
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|
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break; |
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} |
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|
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return "$return\xE2\x80\xA6"; // ellipsis |
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} |
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|
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|
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/** |
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* Returns an array of DOMNodes that are comments (including recursing child nodes) |
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* |
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* @param DOMNode $node |
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* @return array |
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*/ |
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|
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function get_comment_nodes( $node ) { |
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$comment_nodes = array(); |
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foreach ( $node->childNodes as $child ) { |
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|
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if ( XML_COMMENT_NODE === $child->nodeType ) { |
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$comment_nodes[] = $child; |
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} |
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|
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if ( $child->hasChildNodes() ) { |
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$child_comment_nodes = self::get_comment_nodes( $child ); |
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$comment_nodes = array_merge( $comment_nodes, $child_comment_nodes ); |
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} |
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} |
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|
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return $comment_nodes; |
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} |
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|
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/** |
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* Truncates HTML so that its textContent (text without markup) is shorter than or equal to the length specified. |
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* The length of the returned string may be larger than the specified length due to the markup. |
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* Attempts to truncate on word boundaries. |
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* |
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* @param string $string |
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* @param int $length |
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* @param array $allowed_tags KSES input |
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* @return string |
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*/ |
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function crop_html( $string, $length = 256, $allowed_tags = array() ) { |
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$tags = $GLOBALS['allowedtags']; // Markup allowed in comments... |
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|
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$tags['img'] = array( // ... plus images ... |
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'alt' => true, |
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'height' => true, |
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'src' => true, |
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'width' => true, |
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); |
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|
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// ... and some other basics |
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$tags['p'] = array(); |
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$tags['ul'] = array(); |
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$tags['ol'] = array(); |
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$tags['li'] = array(); |
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$tags['br'] = array(); |
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|
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$tags = array_merge( $tags, $allowed_tags ); |
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|
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// Clean up, then KSES to really lock it down |
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$string = trim( (string) $string ); |
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$string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string ); |
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$string = wp_kses( $string, $tags ); |
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|
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$string = mb_convert_encoding( $string, 'HTML-ENTITIES', 'UTF-8' ); |
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$dom = new DOMDocument( '1.0', 'UTF-8' ); |
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|
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// The @ is not enough to suppress errors when dealing with libxml, |
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// we have to tell it directly how we want to handle errors. |
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libxml_use_internal_errors( true ); |
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@$dom->loadHTML( "<html><body>$string</body></html>" ); |
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libxml_use_internal_errors( false ); |
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|
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// Strip comment nodes, if any |
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$comment_nodes = self::get_comment_nodes( $dom->documentElement ); |
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foreach ( $comment_nodes as &$comment_node ) { |
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$comment_node->parentNode->removeChild( $comment_node ); |
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} |
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if ( $comment_nodes ) { |
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// Update the $string (some return paths work from just $string) |
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$string = $dom->saveHTML(); |
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$string = preg_replace( '/^<!DOCTYPE.+?>/', '', $string ); |
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$string = str_replace( array('<html>', '</html>', '<body>', '</body>' ), array( '', '', '', '' ), $string ); |
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$string = trim( $string ); |
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} |
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|
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// Find the body |
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$body = false; |
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foreach ( $dom->childNodes as $child ) { |
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if ( XML_ELEMENT_NODE === $child->nodeType && 'html' === strtolower( $child->tagName ) ) { |
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$body = $child->firstChild; |
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break; |
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} |
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} |
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|
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if ( !$body ) { |
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return self::crop_str( $string, $length ); |
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} |
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|
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// If the text (without the markup) is shorter than $length, just return |
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if ( mb_strlen( $body->textContent, 'UTF-8' ) <= $length ) { |
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return $string; |
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} |
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|
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$node = false; |
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do { |
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$node = self::remove_innermost_last_child( $body, $node_removed_from ); |
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$new_string_length = mb_strlen( $body->textContent, 'UTF-8' ); |
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} while ( $new_string_length > $length ); |
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|
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$new_string = $dom->saveHTML( $body ); |
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$new_string = mb_substr( $new_string, 6, -7, 'UTF-8' ); // 6: <body>, 7: </body> |
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|
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if ( !$node ) { |
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return $new_string ? $new_string : self::crop_str( $string, $length ); |
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} |
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|
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$append_string_length = $length - $new_string_length; |
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|
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if ( !$append_string_length ) { |
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return $new_string; |
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} |
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|
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if ( $append_string_length > 1 && XML_TEXT_NODE === $node->nodeType ) { // 1: ellipsis |
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$append_string = self::crop_str( $node->textContent, $append_string_length ); // includes ellipsis |
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$append_node = $dom->createTextNode( $append_string ); |
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$node_removed_from->appendChild( $append_node ); |
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$new_string = $dom->saveHTML( $body ); |
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$new_string = mb_substr( $new_string, 6, -7, 'UTF-8' ); |
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} elseif ( $append_string_length > 9 && XML_ELEMENT_NODE === $node->nodeType && 'p' == strtolower( $node->nodeName ) ) { // 9: '<p>X{\xE2\x80\xA6}</p>' |
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$new_string .= '<p>' . self::crop_str( $node->textContent, $append_string_length - 8 ) . '</p>'; |
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} |
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|
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// Clean up any empty Paragraphs that might have occurred after removing their children |
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return trim( preg_replace( '#<p>\s*</p>#i', '', $new_string ) ); |
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} |
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|
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function remove_innermost_last_child( $node, &$node_removed_from ) { |
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$node_removed_from = $node; |
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|
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if ( !$node->lastChild ) { |
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return false; |
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} |
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|
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if ( $node->lastChild->hasChildNodes() ) { |
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return self::remove_innermost_last_child( $node->lastChild, $node_removed_from ); |
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} |
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|
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$innermost_last_child = $node->lastChild; |
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$node->removeChild( $innermost_last_child ); |
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|
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return $innermost_last_child; |
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} |
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|
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function bump_stats_extras_publicize_url( $bin, $post_id ) { |
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static $done = array(); |
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if ( isset( $done[$post_id] ) ) { |
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return; |
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} |
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$done[$post_id] = true; |
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|
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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', 'publicize_url', $bin ); |
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} |
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|
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public static function build_sprintf( $args ) { |
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$search = array(); |
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$replace = array(); |
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foreach ( $args as $k => $arg ) { |
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if ( 0 == $k ) { |
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$string = $arg; |
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continue; |
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} |
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$search[] = "%$arg%"; |
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$replace[] = "%$k\$s"; |
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} |
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return str_replace( $search, $replace, $string ); |
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} |
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|
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public static function sanitize_message( $message ) { |
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$message = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $message ); |
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$message = wp_kses( $message, array() ); |
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$message = preg_replace('/[\r\n\t ]+/', ' ', $message); |
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$message = trim( $message ); |
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$message = htmlspecialchars_decode( $message, ENT_QUOTES ); |
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return $message; |
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} |
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} |
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|
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if( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) && ! function_exists( 'publicize_init' ) ) { |
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/** |
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* Helper for grabbing a Publicize object from the "front-end" (non-admin) of |
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* a site. Normally Publicize is only loaded in wp-admin, so there's a little |
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* set up that you might need to do if you want to use it on the front end. |
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* Just call this function and it returns a Publicize object. |
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* |
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* @return Publicize Object |
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*/ |
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function publicize_init() { |
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global $publicize; |
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|
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if ( ! class_exists( 'Publicize' ) ) { |
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require_once dirname( __FILE__ ) . '/publicize/publicize.php'; |
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} |
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|
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return $publicize; |
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} |
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|
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} |
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|
