<?php if (IN_serendipity !== true) { die ("Don't hack!"); } @serendipity_plugin_api::load_language(dirname(__FILE__)); class serendipity_event_bbcode extends serendipity_event { var $title = PLUGIN_EVENT_BBCODE_NAME; function introspect(&$propbag) { global $serendipity; $propbag->add('name', PLUGIN_EVENT_BBCODE_NAME); $propbag->add('description', PLUGIN_EVENT_BBCODE_DESC); $propbag->add('stackable', false); $propbag->add('author', 'Jez Hancock, Garvin Hicking'); $propbag->add('version', '2.10'); $propbag->add('requirements', array( 'serendipity' => '1.6', 'smarty' => '2.6.7', 'php' => '4.1.0' )); $propbag->add('cachable_events', array('frontend_display' => true)); $propbag->add('event_hooks', array('frontend_display' => true, 'frontend_comment' => true, 'css' => true)); $propbag->add('groups', array('MARKUP')); $this->markup_elements = array( array( 'name' => 'ENTRY_BODY', 'element' => 'body', ), array( 'name' => 'EXTENDED_BODY', 'element' => 'extended', ), array( 'name' => 'COMMENT', 'element' => 'comment', ), array( 'name' => 'HTML_NUGGET', 'element' => 'html_nugget', ) ); $conf_array = array(); $conf_array[] = 'info'; $conf_array[] = 'target'; foreach($this->markup_elements as $element) { $conf_array[] = $element['name']; } $propbag->add('configuration', $conf_array); } function bbcode_callback($matches) { $type = $matches[1]; $input = trim($matches[2], "\r\n"); switch ($type) { case 'code': $search_replace = array( '&' => '&', ' ' => ' ', '<' => '<', '<' => '<', '>' => '>', '>' => '>', '"' => '"', ':' => ':', '[' => '[', ']' => ']', ')' => ')', '(' => '(', '*' => '*', '\t' => '    ', '\\"' => '"', "\\'" => "'" ); $input = strtr($input, $search_replace); break; case 'php': if (substr($input, 0, 2) != '<?') { $input = "<?php\n\n$input\n\n?>"; } ob_start(); highlight_string($input); $input = ob_get_contents(); ob_end_clean(); $input = str_replace('<br />', "\n", $input); break; default: return false; } $input = "<div class=\"bb-$type-title\">" . strtoupper($type) . ":</div>" . "<div class=\"bb-$type\">$input</div>"; return($input); } function generate_content(&$title) { $title = $this->title; } function introspect_config_item($name, &$propbag) { switch($name) { case 'target': $propbag->add('type', 'boolean'); $propbag->add('name', PLUGIN_EVENT_BBCODE_TARGET); $propbag->add('default', 'false'); break; case 'info': $propbag->add('type', 'info'); $propbag->add('description', PLUGIN_EVENT_BBCODE_TRANSFORM); break; default: $propbag->add('type', 'boolean'); $propbag->add('name', constant($name)); $propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name))); $propbag->add('default', 'true'); break; } return true; } function install() { serendipity_plugin_api::hook_event('backend_cache_entries', $this->title); } function uninstall(&$propbag) { serendipity_plugin_api::hook_event('backend_cache_purge', $this->title); serendipity_plugin_api::hook_event('backend_cache_entries', $this->title); } function bbcode($input) { static $bbcodes = null; // Only allow numbers and characters for CSS: "red", "#FF0000", ... static $pattern_css = '([ 0-9a-z#-]+?)'; // Only allow strings occuring in emails: .-_@, 0-9, a-z static $pattern_mail = '([\.\-\+~@_0-9a-z]+?)'; // Only allow strings occuring in URLs: &;?:.-_@/, 0-9, a-z static $pattern_url = '([@!=~\?:&;0-9a-z#\.\-_\/,%\+]+?)'; // Disallow possibly evil HTML characters which may lead to Javascript XSS: '"(); static $pattern_query = '([^"\'\(\);]+?)'; static $target = null; if ($target === null) { $target = serendipity_db_bool($this->get_config('target')); } // Note: // * Anything between <xxx>...</xxx> tags will be caught by htmlspecialchars() and disallows custom HTML tags. // * (?::\w+)? means "non capturing" match on any word character. // * (?<!\\\\) means any bbcode which is not prefixed by \[...] if ($bbcodes === null) { $bbcodes = array( '/(?<!\\\\)\[color(?::\w+)?=' . $pattern_css . '\](.*?)\[\/color(?::\w+)?\]/si' => "<span style=\"color:\\1\">\\2</span>", '/(?<!\\\\)\[size(?::\w+)?=' . $pattern_css . '\](.*?)\[\/size(?::\w+)?\]/si' => "<span style=\"font-size:\\1\">\\2</span>", '/(?<!\\\\)\[font(?::\w+)?=' . $pattern_css . '\](.*?)\[\/font(?::\w+)?\]/si' => "<span style=\"font-family:\\1\">\\2</span>", '/(?<!\\\\)\[align(?::\w+)?=' . $pattern_css . '\](.*?)\[\/align(?::\w+)?\]/si' => "<div style=\"text-align:\\1\">\\2</div>", '/(?<!\\\\)\[b(?::\w+)?\](.*?)\[\/b(?::\w+)?\]/si' => "<span style=\"font-weight:bold\">\\1</span>", '/(?<!\\\\)\[i(?::\w+)?\](.*?)\[\/i(?::\w+)?\]/si' => "<span style=\"font-style:italic\">\\1</span>", '/(?<!\\\\)\[u(?::\w+)?\](.*?)\[\/u(?::\w+)?\]/si' => "<span style=\"text-decoration:underline\">\\1</span>", '/(?<!\\\\)\[center(?::\w+)?\](.*?)\[\/center(?::\w+)?\]/si' => "<div style=\"text-align:center\">\\1</div>", '/(?<!\\\\)\[strike(?::\w+)?\](.*?)\[\/strike(?::\w+)?\]/si' => "<span style=\"text-decoration:line-through\">\\1</span>", // [email] '/(?<!\\\\)\[email(?::\w+)?\]' . $pattern_mail . '\[\/email(?::\w+)?\]/si' => "<a href=\"mailto:\\1\" class=\"bb-email\">\\1</a>", '/(?<!\\\\)\[email(?::\w+)?=' . $pattern_mail . '\](.*?)\[\/email(?::\w+)?\]/si' => "<a href=\"mailto:\\1\" class=\"bb-email\">\\2</a>", // [url] '/(?<!\\\\)\[(google|search)\]' . $pattern_query . '\[\/(google|search)\]/si' => "<a href=\"http://www.google.com/search?q=\\2\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\2</a>", '/(?<!\\\\)\[url(?::\w+)?\]www\.' . $pattern_url . '\[\/url(?::\w+)?\]/si' => "<a href=\"http://www.\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\1</a>", '/(?<!\\\\)\[url(?::\w+)?\]' . $pattern_url . '\[\/url(?::\w+)?\]/si' => "<a href=\"\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\1</a>", '/(?<!\\\\)\[url(?::\w+)?=' . $pattern_url . '?\](.*?)\[\/url(?::\w+)?\]/si' => "<a href=\"\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\2</a>", // [img] '/(?<!\\\\)\[img(?::\w+)?\]' . $pattern_url . '\[\/img(?::\w+)?\]/si' => "<img src=\"\\1\" alt=\"\\1\" class=\"bb-image\" />", '/(?<!\\\\)\[img(?::\w+)?=([0-9]*?)x([0-9]*?)\]' . $pattern_url . '\[\/img(?::\w+)?\]/si' => "<img width=\"\\1\" height=\"\\2\" src=\"\\3\" alt=\"\\3\" class=\"bb-image\" />", // [quote] '/(?<!\\\\)\[quote(?::\w+)?\](.*?)\[\/quote(?::\w+)?\]/si' => "<div class=\"bb-code-title\">QUOTE:</div><div class=\"bb-quote\">\\1</div>", '/(?<!\\\\)\[quote(?::\w+)?=(?:"|"|\')?(.*?)["\']?(?:"|"|\')?\](.*?)\[\/quote\]/si' => "<div class=\"bb-code-title\">QUOTE \\1:</div><div class=\"bb-quote\">\\2</div>", // [list] '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\*(?::\w+)?\](.*?)(?=(?:\s*<br\s*\/?>\s*)?\[\*|(?:\s*<br\s*\/?>\s*)?\[\/?list)/si' => "\n<li class=\"bb-listitem\">\\1</li>", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list(:(?!u|o)\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list:u(:\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list:o(:\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(:(?!u|o)\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-unordered\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list:u(:\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-unordered\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list:o(:\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-ordered\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=1\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-ordered bb-list-ordered-d\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=i\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-lr\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=I\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-ur\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=a\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-la\">", '/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=A\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-ua\">", // escaped tags like \[b], \[color], \[url], ... '/\\\\(\[\/?\w+(?::\w+)*\])/' => "\\1" ); } /* Regular expressions taken from http://smarty.incutio.com/?page=BBCodePlugin Wiki (Andre Rabold) */ $input = preg_replace(array_keys($bbcodes), array_values($bbcodes), $input); // [code] & [php] $input = preg_replace_callback('/(?<!\\\\)\[(code|php)(?::\w+)?\](.*?)\[\/\\1(?::\w+)?\]/si', array($this, 'bbcode_callback'), $input); return $input; } function event_hook($event, &$bag, &$eventData, $addData = null) { global $serendipity; $hooks = &$bag->get('event_hooks'); if (isset($hooks[$event])) { switch($event) { case 'frontend_display': foreach ($this->markup_elements as $temp) { if (serendipity_db_bool($this->get_config($temp['name'], 'true')) && isset($eventData[$temp['element']]) && !$eventData['properties']['ep_disable_markup_' . $this->instance] && !isset($serendipity['POST']['properties']['disable_markup_' . $this->instance])) { $element = $temp['element']; $eventData[$element] = $this->bbcode($eventData[$element]); } } break; case 'frontend_comment': if (serendipity_db_bool($this->get_config('COMMENT', 'true'))) { echo '<div class="serendipity_commentDirection serendipity_comment_bbcode">' . PLUGIN_EVENT_BBCODE_TRANSFORM . '</div>'; } break; case 'css': // CSS class does NOT exist by user customized template styles, include default if (strpos($eventData, '.bb-code') === false) { $eventData .= ' /* serendipity_event_bbcode start */ .bb-quote, .bb-code, .bb-php, .bb-code-title, .bb-php-title { margin-left: 20px; margin-right: 20px; color: black; direction: ltr; } .bb-code-title, .bb-php-title { margin-bottom: 2px; background-color:#CCCCCC; font-weight: bold; padding-left: 5px; } .bb-code, .bb-php { font-family: courier, "courier new"; background-color: #DDDDDD; padding: 10px; white-space: pre; overflow: auto; max-height: 24em; } .bb-quote { background-color: #DDDDDD; padding: 10px; } .bb-list-ordered-d { list-style-type: decimal; } .bb-list-ordered-la { list-style-type: lower-alpha; } .bb-list-ordered-ua { list-style-type: upper-alpha; } /* serendipity_event_bbcode end */ '; } break; default: return false; } return true; } else { return false; } } } /* vim: set sts=4 ts=4 expandtab : */ ?>