/plugin/pcomment.inc.php
PHP | 370 lines | 271 code | 65 blank | 34 comment | 80 complexity | 886eb6a241f2d5f05fde84602fdeecd8 MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- // PukiWiki - Yet another WikiWikiWeb clone
- // $Id: pcomment.inc.php,v 1.48 2011/01/25 15:01:01 henoheno Exp $
- //
- // Page comment plugin - Show/Insert comments into another page
- //
- // Usage: #pcomment([page][,max][,options])
- //
- // page -- An another page-name that holds comments
- // (default:PLUGIN_PCOMMENT_PAGE)
- // max -- Max number of recent comments to show
- // (0:Show all, default:PLUGIN_PCOMMENT_NUM_COMMENTS)
- //
- // Options:
- // above -- Comments are listed above the #pcomment (added by chronological order)
- // below -- Comments are listed below the #pcomment (by reverse order)
- // reply -- Show radio buttons allow to specify where to reply
- // Default recording page name (%s = $vars['page'] = original page name)
- switch (LANG) {
- case 'ja': define('PLUGIN_PCOMMENT_PAGE', '[[コメント/%s]]'); break;
- default: define('PLUGIN_PCOMMENT_PAGE', '[[Comments/%s]]'); break;
- }
- define('PLUGIN_PCOMMENT_NUM_COMMENTS', 10); // Default 'latest N posts'
- define('PLUGIN_PCOMMENT_DIRECTION_DEFAULT', 1); // 1: above 0: below
- define('PLUGIN_PCOMMENT_SIZE_MSG', 70);
- define('PLUGIN_PCOMMENT_SIZE_NAME', 15);
- // Auto log rotation
- define('PLUGIN_PCOMMENT_AUTO_LOG', 0); // 0:off 1-N:number of comments per page
- // Update recording page's timestamp instead of parent's page itself
- define('PLUGIN_PCOMMENT_TIMESTAMP', 0);
- // ----
- define('PLUGIN_PCOMMENT_FORMAT_NAME', '[[$name]]');
- define('PLUGIN_PCOMMENT_FORMAT_MSG', '$msg');
- define('PLUGIN_PCOMMENT_FORMAT_NOW', '&new{$now};');
- // "\x01", "\x02", "\x03", and "\x08" are used just as markers
- define('PLUGIN_PCOMMENT_FORMAT_STRING',
- "\x08" . 'MSG' . "\x08" . ' -- ' . "\x08" . 'NAME' . "\x08" . ' ' . "\x08" . 'DATE' . "\x08");
- function plugin_pcomment_action()
- {
- global $vars;
- if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
- if (! isset($vars['msg']) || $vars['msg'] == '') return array();
- $refer = isset($vars['refer']) ? $vars['refer'] : '';
- $retval = plugin_pcomment_insert();
- if ($retval['collided']) {
- $vars['page'] = $refer;
- return $retval;
- }
- pkwk_headers_sent();
- header('Location: ' . get_script_uri() . '?' . rawurlencode($refer));
- exit;
- }
- function plugin_pcomment_convert()
- {
- global $vars;
- global $_pcmt_messages;
- $params = array(
- 'noname'=>FALSE,
- 'nodate'=>FALSE,
- 'below' =>FALSE,
- 'above' =>FALSE,
- 'reply' =>FALSE,
- '_args' =>array()
- );
- foreach(func_get_args() as $arg)
- plugin_pcomment_check_arg($arg, $params);
- $vars_page = isset($vars['page']) ? $vars['page'] : '';
- $page = (isset($params['_args'][0]) && $params['_args'][0] != '') ? $params['_args'][0] :
- sprintf(PLUGIN_PCOMMENT_PAGE, strip_bracket($vars_page));
- $count = isset($params['_args'][1]) ? intval($params['_args'][1]) : 0;
- if ($count == 0) $count = PLUGIN_PCOMMENT_NUM_COMMENTS;
- $_page = get_fullname(strip_bracket($page), $vars_page);
- if (!is_pagename($_page))
- return sprintf($_pcmt_messages['err_pagename'], htmlsc($_page));
- $dir = PLUGIN_PCOMMENT_DIRECTION_DEFAULT;
- if ($params['below']) {
- $dir = 0;
- } elseif ($params['above']) {
- $dir = 1;
- }
- list($comments, $digest) = plugin_pcomment_get_comments($_page, $count, $dir, $params['reply']);
- if (PKWK_READONLY) {
- $form_start = $form = $form_end = '';
- } else {
- // Show a form
- if ($params['noname']) {
- $title = $_pcmt_messages['msg_comment'];
- $name = '';
- } else {
- $title = $_pcmt_messages['btn_name'];
- $name = '<input type="text" name="name" size="' . PLUGIN_PCOMMENT_SIZE_NAME . '" />';
- }
- $radio = $params['reply'] ?
- '<input type="radio" name="reply" value="0" tabindex="0" checked="checked" />' : '';
- $comment = '<input type="text" name="msg" size="' . PLUGIN_PCOMMENT_SIZE_MSG . '" />';
- $s_page = htmlsc($page);
- $s_refer = htmlsc($vars_page);
- $s_nodate = htmlsc($params['nodate']);
- $form_start = '<form action="' . get_script_uri() . '" method="post">' . "\n";
- $form = <<<EOD
- <div>
- <input type="hidden" name="digest" value="$digest" />
- <input type="hidden" name="plugin" value="pcomment" />
- <input type="hidden" name="refer" value="$s_refer" />
- <input type="hidden" name="page" value="$s_page" />
- <input type="hidden" name="nodate" value="$s_nodate" />
- <input type="hidden" name="dir" value="$dir" />
- <input type="hidden" name="count" value="$count" />
- $radio $title $name $comment
- <input type="submit" value="{$_pcmt_messages['btn_comment']}" />
- </div>
- EOD;
- $form_end = '</form>' . "\n";
- }
- if (! is_page($_page)) {
- $link = make_pagelink($_page);
- $recent = $_pcmt_messages['msg_none'];
- } else {
- $msg = ($_pcmt_messages['msg_all'] != '') ? $_pcmt_messages['msg_all'] : $_page;
- $link = make_pagelink($_page, $msg);
- $recent = ! empty($count) ? sprintf($_pcmt_messages['msg_recent'], $count) : '';
- }
- if ($dir) {
- return '<div>' .
- '<p>' . $recent . ' ' . $link . '</p>' . "\n" .
- $form_start .
- $comments . "\n" .
- $form .
- $form_end .
- '</div>' . "\n";
- } else {
- return '<div>' .
- $form_start .
- $form .
- $comments. "\n" .
- $form_end .
- '<p>' . $recent . ' ' . $link . '</p>' . "\n" .
- '</div>' . "\n";
- }
- }
- function plugin_pcomment_insert()
- {
- global $vars, $now, $_title_updated, $_no_name, $_pcmt_messages;
- $refer = isset($vars['refer']) ? $vars['refer'] : '';
- $page = isset($vars['page']) ? $vars['page'] : '';
- $page = get_fullname($page, $refer);
- if (! is_pagename($page))
- return array(
- 'msg' =>'Invalid page name',
- 'body'=>'Cannot add comment' ,
- 'collided'=>TRUE
- );
- check_editable($page, true, true);
- $ret = array('msg' => $_title_updated, 'collided' => FALSE);
- $msg = str_replace('$msg', rtrim($vars['msg']), PLUGIN_PCOMMENT_FORMAT_MSG);
- $name = (! isset($vars['name']) || $vars['name'] == '') ? $_no_name : $vars['name'];
- $name = ($name == '') ? '' : str_replace('$name', $name, PLUGIN_PCOMMENT_FORMAT_NAME);
- $date = (! isset($vars['nodate']) || $vars['nodate'] != '1') ?
- str_replace('$now', $now, PLUGIN_PCOMMENT_FORMAT_NOW) : '';
- if ($date != '' || $name != '') {
- $msg = str_replace("\x08" . 'MSG' . "\x08", $msg, PLUGIN_PCOMMENT_FORMAT_STRING);
- $msg = str_replace("\x08" . 'NAME' . "\x08", $name, $msg);
- $msg = str_replace("\x08" . 'DATE' . "\x08", $date, $msg);
- }
- $reply_hash = isset($vars['reply']) ? $vars['reply'] : '';
- if ($reply_hash || ! is_page($page)) {
- $msg = preg_replace('/^\-+/', '', $msg);
- }
- $msg = rtrim($msg);
- if (! is_page($page)) {
- $postdata = '[[' . htmlsc(strip_bracket($refer)) . ']]' . "\n\n" .
- '-' . $msg . "\n";
- } else {
- $postdata = get_source($page);
- $count = count($postdata);
- $digest = isset($vars['digest']) ? $vars['digest'] : '';
- if (md5(join('', $postdata)) !== $digest) {
- $ret['msg'] = $_pcmt_messages['title_collided'];
- $ret['body'] = $_pcmt_messages['msg_collided'];
- }
- $start_position = 0;
- while ($start_position < $count) {
- if (preg_match('/^\-/', $postdata[$start_position])) break;
- ++$start_position;
- }
- $end_position = $start_position;
- $dir = isset($vars['dir']) ? $vars['dir'] : '';
- // Find the comment to reply
- $level = 1;
- $b_reply = FALSE;
- if ($reply_hash != '') {
- while ($end_position < $count) {
- $matches = array();
- if (preg_match('/^(\-{1,2})(?!\-)(.*)$/', $postdata[$end_position++], $matches)
- && md5($matches[2]) === $reply_hash)
- {
- $b_reply = TRUE;
- $level = strlen($matches[1]) + 1;
- while ($end_position < $count) {
- if (preg_match('/^(\-{1,3})(?!\-)/', $postdata[$end_position], $matches)
- && strlen($matches[1]) < $level) break;
- ++$end_position;
- }
- break;
- }
- }
- }
- if ($b_reply == FALSE)
- $end_position = ($dir == '0') ? $start_position : $count;
- // Insert new comment
- array_splice($postdata, $end_position, 0, str_repeat('-', $level) . $msg . "\n");
- if (PLUGIN_PCOMMENT_AUTO_LOG) {
- $_count = isset($vars['count']) ? $vars['count'] : '';
- plugin_pcomment_auto_log($page, $dir, $_count, $postdata);
- }
- $postdata = join('', $postdata);
- }
- page_write($page, $postdata, PLUGIN_PCOMMENT_TIMESTAMP);
- if (PLUGIN_PCOMMENT_TIMESTAMP) {
- if ($refer != '') pkwk_touch_file(get_filename($refer));
- put_lastmodified();
- }
- return $ret;
- }
- // Auto log rotation
- function plugin_pcomment_auto_log($page, $dir, $count, & $postdata)
- {
- if (! PLUGIN_PCOMMENT_AUTO_LOG) return;
- $keys = array_keys(preg_grep('/(?:^-(?!-).*$)/m', $postdata));
- if (count($keys) < (PLUGIN_PCOMMENT_AUTO_LOG + $count)) return;
- if ($dir) {
- // Top N comments (N = PLUGIN_PCOMMENT_AUTO_LOG)
- $old = array_splice($postdata, $keys[0], $keys[PLUGIN_PCOMMENT_AUTO_LOG] - $keys[0]);
- } else {
- // Bottom N comments
- $old = array_splice($postdata, $keys[count($keys) - PLUGIN_PCOMMENT_AUTO_LOG]);
- }
- // Decide new page name
- $i = 0;
- do {
- ++$i;
- $_page = $page . '/' . $i;
- } while (is_page($_page));
- page_write($_page, '[[' . $page . ']]' . "\n\n" . join('', $old));
- // Recurse :)
- plugin_pcomment_auto_log($page, $dir, $count, $postdata);
- }
- // Check arguments
- function plugin_pcomment_check_arg($val, & $params)
- {
- if ($val != '') {
- $l_val = strtolower($val);
- foreach (array_keys($params) as $key) {
- if (strpos($key, $l_val) === 0) {
- $params[$key] = TRUE;
- return;
- }
- }
- }
- $params['_args'][] = $val;
- }
- function plugin_pcomment_get_comments($page, $count, $dir, $reply)
- {
- global $_msg_pcomment_restrict;
- if (! check_readable($page, false, false))
- return array(str_replace('$1', $page, $_msg_pcomment_restrict));
- $reply = (! PKWK_READONLY && $reply); // Suprress radio-buttons
- $data = get_source($page);
- $data = preg_replace('/^#pcomment\(?.*/i', '', $data); // Avoid eternal recurse
- if (! is_array($data)) return array('', 0);
- $digest = md5(join('', $data));
- // Get latest N comments
- $num = $cnt = 0;
- $cmts = $matches = array();
- if ($dir) $data = array_reverse($data);
- foreach ($data as $line) {
- if ($count > 0 && $dir && $cnt == $count) break;
- if (preg_match('/^(\-{1,2})(?!\-)(.+)$/', $line, $matches)) {
- if ($count > 0 && strlen($matches[1]) == 1 && ++$cnt > $count) break;
- // Ready for radio-buttons
- if ($reply) {
- ++$num;
- $cmts[] = $matches[1] . "\x01" . $num . "\x02" .
- md5($matches[2]) . "\x03" . $matches[2] . "\n";
- continue;
- }
- }
- $cmts[] = $line;
- }
- $data = $cmts;
- if ($dir) $data = array_reverse($data);
- unset($cmts, $matches);
- // Remove lines before comments
- while (! empty($data) && substr($data[0], 0, 1) != '-')
- array_shift($data);
- $comments = convert_html($data);
- unset($data);
- // Add radio buttons
- if ($reply)
- $comments = preg_replace('/<li>' . "\x01" . '(\d+)' . "\x02" . '(.*)' . "\x03" . '/',
- '<li class="pcmt"><input class="pcmt" type="radio" name="reply" value="$2" tabindex="$1" />',
- $comments);
- return array($comments, $digest);
- }
- ?>