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|
<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Esther Brunner <wikidesign@gmail.com>
*/
class action_plugin_blog extends DokuWiki_Action_Plugin {
/**
* register the eventhandlers
* @param Doku_Event_Handler $contr
*/
function register(Doku_Event_Handler $contr) {
$contr->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_act_preprocess', array());
$contr->register_hook('FEED_ITEM_ADD', 'BEFORE', $this, 'handle_feed_item');
$contr->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, 'handle_cache');
}
/**
* Checks if 'newentry' was given as action, if so we
* do handle the event our self and no further checking takes place
* @param Doku_Event $event
* @param $param
*/
function handle_act_preprocess(Doku_Event $event, $param) {
if ($event->data != 'newentry') return; // nothing to do for us
$event->data = $this->_handle_newEntry($event);
}
/**
* Removes draft entries from feeds
*
* @param Doku_Event $event
* @param $param
*
* @author Michael Klier <chi@chimeric.de>
*/
function handle_feed_item(Doku_Event $event, $param) {
global $conf;
$url = parse_url($event->data['item']->link);
$base_url = getBaseURL();
// determine page id by rewrite mode
switch($conf['userewrite']) {
case 0:
preg_match('#id=([^&]*)#', $url['query'], $match);
if($base_url != '/') {
$id = cleanID(str_replace($base_url, '', $match[1]));
} else {
$id = cleanID($match[1]);
}
break;
case 1:
if($base_url != '/') {
$id = cleanID(str_replace('/',':',str_replace($base_url, '', $url['path'])));
} else {
$id = cleanID(str_replace('/',':', $url['path']));
}
break;
case 2:
preg_match('#doku.php/([^&]*)#', $url['path'], $match);
if($base_url != '/') {
$id = cleanID(str_replace($base_url, '', $match[1]));
} else {
$id = cleanID($match[1]);
}
break;
}
// don't add drafts to the feed
if(p_get_metadata($id, 'type') == 'draft') {
$event->preventDefault();
return;
}
}
/**
* Creates a new entry page
*
* @param Doku_Event $event
* @return string
*/
function _handle_newEntry(Doku_Event $event) {
global $ID, $INFO;
$ns = cleanID($_REQUEST['ns']);
$title = str_replace(':', '', $_REQUEST['title']);
$ID = $this->_newEntryID($ns, $title);
$INFO = pageinfo();
// check if we are allowed to create this file
if ($INFO['perm'] >= AUTH_CREATE) {
// prepare the new thread file with default stuff
if (!@file_exists($INFO['filepath'])) {
//check if locked by anyone - if not lock for my self
if ($INFO['locked']) return 'locked';
else lock($ID);
global $TEXT;
$TEXT = pageTemplate($ID);
if (!$TEXT) {
// if there is no page template, load our custom one
$TEXT = io_readFile(DOKU_PLUGIN.'blog/_template.txt');
}
$data = array('id' => $ID, 'ns' => $ns, 'title' => $_REQUEST['title']);
// Apply replacements regardless if they have already been applied by DokuWiki in order to
// make custom replacements like @TITLE@ available in standard page templates.
$TEXT = $this->_pageTemplate($TEXT, $data);
return 'preview';
} else {
return 'edit';
}
} else {
return 'show';
}
}
/**
* Adapted version of pageTemplate() function
*
* @param $text
* @param $data
* @return string|string[]
*/
function _pageTemplate($text, $data) {
global $conf, $INFO;
$id = $data['id'];
$user = $_SERVER['REMOTE_USER'];
// standard replacements
$replace = array(
'@ID@' => $id,
'@NS@' => $data['ns'],
'@PAGE@' => strtr(noNS($id),'_',' '),
'@USER@' => $user,
'@NAME@' => $INFO['userinfo']['name'],
'@MAIL@' => $INFO['userinfo']['mail'],
'@DATE@' => strftime($conf['dformat']),
);
// additional replacements
$replace['@TITLE@'] = $data['title'];
// tag if tag plugin is available
if ((@file_exists(DOKU_PLUGIN.'tag/syntax/tag.php'))
&& (!plugin_isdisabled('tag'))) {
$replace['@TAG@'] = "\n\n{{tag>}}";
} else {
$replace['@TAG@'] = '';
}
// discussion if discussion plugin is available
if ((@file_exists(DOKU_PLUGIN.'discussion/syntax/comments.php'))
&& (!plugin_isdisabled('discussion'))) {
$replace['@DISCUSSION@'] = "~~DISCUSSION~~";
} else {
$replace['@DISCUSSION@'] = '';
}
// linkbacks if linkback plugin is available
if ((@file_exists(DOKU_PLUGIN.'linkback/syntax.php'))
&& (!plugin_isdisabled('linkback'))) {
$replace['@LINKBACK@'] = "~~LINKBACK~~";
} else {
$replace['@LINKBACK@'] = '';
}
// do the replace
return str_replace(array_keys($replace), array_values($replace), $text);
}
/**
* Returns the ID of a new entry based on its namespace, title and the date prefix
*
* @param $ns
* @param $title
* @return mixed|string|string[]|null
*
* @author Michael Arlt <michael.arlt@sk-chwanstetten.de>
* @author Esther Brunner <wikidesign@gmail.com>
*/
function _newEntryID($ns, $title) {
$dateprefix = $this->getConf('dateprefix');
if (substr($dateprefix, 0, 1) == '<') {
// <9?%y1-%y2:%d.%m._ -> 05-06:31.08._ | 06-07:01.09._
list($newmonth, $dateprefix) = explode('?', substr($dateprefix, 1));
if (intval(strftime("%m")) < intval($newmonth)) {
$longyear2 = strftime("%Y");
$longyear1 = $longyear2 - 1;
} else {
$longyear1 = strftime("%Y");
$longyear2 = $longyear1 + 1;
}
$shortyear1 = substr($longyear1, 2);
$shortyear2 = substr($longyear2, 2);
$dateprefix = str_replace(
array('%Y1', '%Y2', '%y1', '%y2'),
array($longyear1, $longyear2, $shortyear1, $shortyear2),
$dateprefix
);
}
$pre = strftime($dateprefix);
return cleanID(($ns ? $ns.':' : '').$pre.$title);
}
/**
* Expire the renderer cache of archive pages whenever a page is updated or a comment or linkback is added
*
* @param Doku_Event $event
* @param $params
*
* @author Michael Hamann <michael@content-space.de>
*/
function handle_cache(Doku_Event $event, $params) {
global $conf;
/** @var cache_parser $cache */
$cache = $event->data;
if (!in_array($cache->mode, array('xhtml', 'metadata'))) return;
$page = $cache->page;
// try to extract the page id from the file if possible
if (empty($page)) {
if (strpos($cache->file, $conf['datadir']) === 0) {
$page = pathID(substr($cache->file, strlen($conf['datadir'])+1));
} else {
return;
}
}
$meta = p_get_metadata($page, 'plugin_blog');
if ($meta === null) return;
if (isset($meta['purgefile_cache'])) {
$cache->depends['files'][] = $conf['cachedir'].'/purgefile';
$cache->depends['files'][] = $conf['metadir'].'/_comments.changes';
$cache->depends['files'][] = $conf['metadir'].'/_linkbacks.changes';
}
// purge the cache when a page is listed that the current user can't access
if (isset($meta['archive_pages'])) {
foreach ($meta['archive_pages'] as $page) {
if (auth_quickaclcheck($page) < AUTH_READ) {
$cache->depends['purge'] = true;
return;
}
}
}
}
}
|
