diff options
Diffstat (limited to 'plugins/jetpack/modules/publicize.php')
| -rw-r--r-- | plugins/jetpack/modules/publicize.php | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/plugins/jetpack/modules/publicize.php b/plugins/jetpack/modules/publicize.php index 0b2b8c73..577c2929 100644 --- a/plugins/jetpack/modules/publicize.php +++ b/plugins/jetpack/modules/publicize.php @@ -57,239 +57,6 @@ class Jetpack_Publicize { 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' ); - $dom = new DOMDocument( '1.0', 'UTF-8' ); - - // The @ is not enough to suppress errors when dealing with libxml, - // we have to tell it directly how we want to handle errors. - libxml_use_internal_errors( true ); - @$dom->loadHTML( "<html><body>$string</body></html>" ); - libxml_use_internal_errors( false ); - - // 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; - - /** This action is documented in modules/widgets/social-media-icons.php */ - do_action( 'jetpack_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 |