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-rw-r--r--platform/www/lib/plugins/blog/action.php259
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diff --git a/platform/www/lib/plugins/blog/action.php b/platform/www/lib/plugins/blog/action.php
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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;
+ }
+ }
+ }
+ }
+}
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