* @link http://wiki.foosel.net/snippets/dokuwiki/linkback */ use dokuwiki\Extension\Event; require_once (DOKU_PLUGIN . 'linkback/tools.php'); class action_plugin_linkback_display extends DokuWiki_Action_Plugin { /** * A little helper. * @var helper_plugin_linkback */ var $tools; /** * Constructor */ function __construct() { $this->tools = plugin_load('tools', 'linkback'); } /** * Register the eventhandlers. */ function register(Doku_Event_Handler $controller) { $controller->register_hook('TPL_ACT_RENDER', 'AFTER', $this, 'handle_act_render', array ()); $controller->register_hook('RENDERER_CONTENT_POSTPROCESS', 'AFTER', $this, 'handle_content_postprocess', array ()); } /** * Handler for the TPL_ACT_RENDER event */ function handle_act_render(Doku_Event $event, $params) { global $ID, $INFO; if ($event->data != 'show') return; $file = metaFN($ID, '.linkbacks'); $data = array ( 'send' => false, 'receive' => false, 'display' => false, 'sentpings' => array (), 'receivedpings' => array (), 'number' => 0, ); if (@ file_exists($file)) $data = unserialize(io_readFile($file, false)); if (!isset ($_REQUEST['linkback']) || $INFO['perm'] != AUTH_ADMIN) $_REQUEST['linkback'] = 'linkback_show'; $lid = isset($_REQUEST['lid']) ? $_REQUEST['lid'] : ''; if (!preg_match('![a-zA-Z0-9]!', $lid)) $_REQUEST['linkback'] = 'linkback_show'; switch ($_REQUEST['linkback']) { // toggle show/hide case 'linkback_toggle' : $linkback = $data['receivedpings'][$lid]; $data = $this->_changeLinkbackVisibilities(array($lid), !$linkback['show']); break; // delete linkback case 'linkback_delete' : $data = $this->_deleteLinkbacks(array($lid)); break; // report linkback as ham case 'linkback_ham' : $this->_markLinkbacks(array($lid), false); break; // report linkback as spam case 'linkback_spam' : $this->_markLinkbacks(array($lid), true); break; } $this->_show($data); } /** * Shows all linkbacks for the current page */ function _show($data) { global $ID; if (!$data['display']) return; if ((count($data['receivedpings']) == 0) && (!$this->getConf('show_trackback_url') || !$this->getConf('enable_trackback'))) return; // section title $title = $this->getLang('linkbacks'); echo '
'; echo '

' . $title . '

'; if ($this->getConf('show_trackback_url') && $data['receive']) { echo '
'; echo $this->getLang('trackback_url'); echo '' . DOKU_URL . 'lib/plugins/linkback/exe/trackback.php/' . $ID . ''; echo '
'; } echo '
'; // now display the comments if (isset ($data['receivedpings'])) { foreach ($data['receivedpings'] as $key => $ping) { $this->_print($key, $ping); } } echo '
'; // level2 echo '
'; // comment_wrapper } /** * Prints an individual linkback */ function _print($lid, $linkback, $visible = true) { global $INFO; global $conf; if (!is_array($linkback)) return; // corrupt datatype if (!$linkback['show']) { // linkback hidden if ($INFO['perm'] == AUTH_ADMIN) { echo '
' . NL; } else { return; } } $title = $linkback['title']; $url = $linkback['url']; $date = $linkback['received']; $excerpt = $linkback['excerpt']; $icon = $linkback['favicon']; $type = $linkback['type']; // linkback head with date and link echo '
' . NL . '' . NL . ''; // show favicon image if ($this->getConf('usefavicon')) { if (!$icon) { $icon = $this->getConf('favicon_default'); } $size = 16; $src = ml($icon); echo '' . NL; $style = ' style="margin-left: ' . ($size +14) . 'px;"'; } else { $style = ' style="margin-left: 20px;"'; } echo $this->external_link($url, ($linkback['blog_title'] ? $linkback['blog_title'] . ': ' : '') . $title, 'urlextern url fn'); echo ', ' . strftime($conf['dformat'], $date) . ''; echo ' (' . $this->getLang('linkback_type_' . $type) . ')'; echo NL . '
' . NL; // class="linkback_head" // main linkback content if (strlen($excerpt) > 0) { echo '
getConf('usefavicon') ? $style : '') . '>' . NL . $excerpt . NL . '
' . NL; // class="linkback_body" } echo '
' . NL; // class="hentry" echo '
' . NL; if ($INFO['perm'] == AUTH_ADMIN) { if (!$linkback['show']) { $label = $this->getLang('btn_show'); } else { $label = $this->getLang('btn_hide'); } $this->_button($lid, $label, 'linkback_toggle'); $this->_button($lid, $this->getLang('btn_ham'), 'linkback_ham'); $this->_button($lid, $this->getLang('btn_spam'), 'linkback_spam'); $this->_button($lid, $this->getLang('btn_delete'), 'linkback_delete'); } echo '
'; echo '
getConf('usefavicon') ? $style : '') . '> 
' . NL; if (!$linkback['show']) { echo '
' . NL; // class="linkback_hidden" } } /** * General button function. * * Code mostly taken from the discussion plugin by Esther Brunner. */ function _button($lid, $label, $act) { global $ID; ?>
data[0] != 'xhtml') return; // nothing to do for us $file = metaFN($ID, '.linkbacks'); if (!@ file_exists($file)) return; $data = unserialize(io_readFile($file, false)); if (!$data['display'] || (count($data['receivedpings']) == 0)) return; // no linkback section $pattern = '/
(.*?)<\/div>\s<\/div>/s'; if (!preg_match($pattern, $event->data[1], $match)) return; // no TOC on this page $title = $this->getLang('linkbacks'); $section = '#linkback__section'; $level = 3 - $conf['toptoclevel']; $item = '
  • ' . $title . '
    • '; if ($level == 1) $search = "\n
    "; else $search = "\n\n"; $new = str_replace($search, $item . $search, $match[0]); $event->data[1] = preg_replace($pattern, $new, $event->data[1]); } function _changeLinkbackVisibilities($lids, $visible) { global $ID; $file = metaFN($ID, '.linkbacks'); $data = array ( 'send' => false, 'receive' => false, 'display' => false, 'sentpings' => array (), 'receivedpings' => array (), 'number' => 0, ); if (@ file_exists($file)) $data = unserialize(io_readFile($file, false)); $update = false; foreach ($lids as $lid) { $linkback = $data['receivedpings'][$lid]; if ($linkback['show'] == $visible) continue; $linkback['show'] = $visible; if ($linkback['show']) $data['number']++; else $data['number']--; $data['receivedpings'][$lid] = $linkback; $this->tools->addLogEntry($linkback['received'], $ID, (($linkback['show']) ? 'sl' : 'hl'), '', $linkback['lid']); $update = true; } if ($update) io_saveFile($file, serialize($data)); return $data; } function _deleteLinkbacks($lids) { global $ID; $file = metaFN($ID, '.linkbacks'); $data = array ( 'send' => false, 'receive' => false, 'display' => false, 'sentpings' => array (), 'receivedpings' => array (), 'number' => 0, ); if (@ file_exists($file)) $data = unserialize(io_readFile($file, false)); $update = false; foreach ($lids as $lid) { $linkback = $data['receivedpings'][$lid]; unset ($data['receivedpings'][$lid]); if ($linkback['show']) $data['number']--; $this->tools->addLogEntry($linkback['received'], $ID, 'dl', '', $linkback['lid']); $update = true; } if ($update) io_saveFile($file, serialize($data)); return $data; } function _markLinkbacks($lids, $isSpam) { global $ID; $file = metaFN($ID, '.linkbacks'); $data = array ( 'send' => false, 'receive' => false, 'display' => false, 'sentpings' => array (), 'receivedpings' => array (), 'number' => 0, ); if (@ file_exists($file)) $data = unserialize(io_readFile($file, false)); foreach ($lids as $lid) { $linkback = $data['receivedpings'][$lid]; if ($isSpam) { Event::createAndTrigger('ACTION_LINKBACK_SPAM', $linkback); } else { Event::createAndTrigger('ACTION_LINKBACK_HAM', $linkback); } } } }