www/public_html/lib/plugins/include/action.php

364 lines
15 KiB
PHP

<?php
/**
* Include Plugin: Display a wiki page within another wiki page
*
* Action plugin component, for cache validity determination
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Christopher Smith <chris@jalakai.co.uk>
* @author Michael Klier <chi@chimeric.de>
*/
if(!defined('DOKU_INC')) die(); // no Dokuwiki, no go
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'action.php');
/**
* All DokuWiki plugins to extend the parser/rendering mechanism
* need to inherit from this class
*/
class action_plugin_include extends DokuWiki_Action_Plugin {
/* @var helper_plugin_include $helper */
var $helper = null;
function __construct() {
$this->helper = plugin_load('helper', 'include');
}
/**
* plugin should use this method to register its handlers with the dokuwiki's event controller
*/
function register(Doku_Event_Handler $controller) {
/* @var Doku_event_handler $controller */
$controller->register_hook('INDEXER_PAGE_ADD', 'BEFORE', $this, 'handle_indexer');
$controller->register_hook('INDEXER_VERSION_GET', 'BEFORE', $this, 'handle_indexer_version');
$controller->register_hook('PARSER_CACHE_USE','BEFORE', $this, '_cache_prepare');
$controller->register_hook('HTML_EDITFORM_OUTPUT', 'BEFORE', $this, 'handle_form');
$controller->register_hook('HTML_CONFLICTFORM_OUTPUT', 'BEFORE', $this, 'handle_form');
$controller->register_hook('HTML_DRAFTFORM_OUTPUT', 'BEFORE', $this, 'handle_form');
$controller->register_hook('ACTION_SHOW_REDIRECT', 'BEFORE', $this, 'handle_redirect');
$controller->register_hook('PARSER_HANDLER_DONE', 'BEFORE', $this, 'handle_parser');
$controller->register_hook('PARSER_METADATA_RENDER', 'AFTER', $this, 'handle_metadata');
$controller->register_hook('HTML_SECEDIT_BUTTON', 'BEFORE', $this, 'handle_secedit_button');
$controller->register_hook('PLUGIN_MOVE_HANDLERS_REGISTER', 'BEFORE', $this, 'handle_move_register');
}
/**
* Add a version string to the index so it is rebuilt
* whenever the handler is updated or the safeindex setting is changed
*/
public function handle_indexer_version($event, $param) {
$event->data['plugin_include'] = '0.1.safeindex='.$this->getConf('safeindex');
}
/**
* Handles the INDEXER_PAGE_ADD event, prevents indexing of metadata from included pages that aren't public if enabled
*
* @param Doku_Event $event the event object
* @param array $params optional parameters (unused)
*/
public function handle_indexer(Doku_Event $event, $params) {
global $USERINFO;
// check if the feature is enabled at all
if (!$this->getConf('safeindex')) return;
// is there a user logged in at all? If not everything is fine already
if (is_null($USERINFO) && !isset($_SERVER['REMOTE_USER'])) return;
// get the include metadata in order to see which pages were included
$inclmeta = p_get_metadata($event->data['page'], 'plugin_include', METADATA_RENDER_UNLIMITED);
$all_public = true; // are all included pages public?
// check if the current metadata indicates that non-public pages were included
if ($inclmeta !== null && isset($inclmeta['pages'])) {
foreach ($inclmeta['pages'] as $page) {
if (auth_aclcheck($page['id'], '', array()) < AUTH_READ) { // is $page public?
$all_public = false;
break;
}
}
}
if (!$all_public) { // there were non-public pages included - action required!
// backup the user information
$userinfo_backup = $USERINFO;
$remote_user = $_SERVER['REMOTE_USER'];
// unset user information - temporary logoff!
$USERINFO = null;
unset($_SERVER['REMOTE_USER']);
// metadata is only rendered once for a page in one request - thus we need to render manually.
$meta = p_read_metadata($event->data['page']); // load the original metdata
$meta = p_render_metadata($event->data['page'], $meta); // render the metadata
p_save_metadata($event->data['page'], $meta); // save the metadata so other event handlers get the public metadata, too
$meta = $meta['current']; // we are only interested in current metadata.
// check if the tag plugin handler has already been called before the include plugin
$tag_called = isset($event->data['metadata']['subject']);
// Reset the metadata in the renderer. This removes data from all other event handlers, but we need to be on the safe side here.
$event->data['metadata'] = array('title' => $meta['title']);
// restore the relation references metadata
if (isset($meta['relation']['references'])) {
$event->data['metadata']['relation_references'] = array_keys($meta['relation']['references']);
} else {
$event->data['metadata']['relation_references'] = array();
}
// restore the tag metadata if the tag plugin handler has been called before the include plugin handler.
if ($tag_called) {
$tag_helper = $this->loadHelper('tag', false);
if ($tag_helper) {
if (isset($meta['subject'])) {
$event->data['metadata']['subject'] = $tag_helper->_cleanTagList($meta['subject']);
} else {
$event->data['metadata']['subject'] = array();
}
}
}
// restore user information
$USERINFO = $userinfo_backup;
$_SERVER['REMOTE_USER'] = $remote_user;
}
}
/**
* Used for debugging purposes only
*/
function handle_metadata(&$event, $param) {
global $conf;
if($conf['allowdebug'] && $this->getConf('debugoutput')) {
dbglog('---- PLUGIN INCLUDE META DATA START ----');
dbglog($event->data);
dbglog('---- PLUGIN INCLUDE META DATA END ----');
}
}
/**
* Supplies the current section level to the include syntax plugin
*
* @author Michael Klier <chi@chimeric.de>
* @author Michael Hamann <michael@content-space.de>
*/
function handle_parser(Doku_Event $event, $param) {
global $ID;
$level = 0;
$ins =& $event->data->calls;
$num = count($ins);
for($i=0; $i<$num; $i++) {
switch($ins[$i][0]) {
case 'plugin':
switch($ins[$i][1][0]) {
case 'include_include':
$ins[$i][1][1][4] = $level;
break;
/* FIXME: this doesn't work anymore that way with the new structure
// some plugins already close open sections
// so we need to make sure we don't close them twice
case 'box':
$this->helper->sec_close = false;
break;
*/
}
break;
case 'section_open':
$level = $ins[$i][1][0];
break;
}
}
}
/**
* Add a hidden input to the form to preserve the redirect_id
*/
function handle_form(Doku_Event &$event, $param) {
if (array_key_exists('redirect_id', $_REQUEST)) {
$event->data->addHidden('redirect_id', cleanID($_REQUEST['redirect_id']));
}
}
/**
* Modify the data for the redirect when there is a redirect_id set
*/
function handle_redirect(Doku_Event &$event, $param) {
if (array_key_exists('redirect_id', $_REQUEST)) {
// Render metadata when this is an older DokuWiki version where
// metadata is not automatically re-rendered as the page has probably
// been changed but is not directly displayed
$versionData = getVersionData();
if ($versionData['date'] < '2010-11-23') {
p_set_metadata($event->data['id'], array(), true);
}
$event->data['id'] = cleanID($_REQUEST['redirect_id']);
$event->data['title'] = '';
}
}
/**
* prepare the cache object for default _useCache action
*/
function _cache_prepare(Doku_Event &$event, $param) {
global $conf;
/* @var cache_renderer $cache */
$cache =& $event->data;
if(!isset($cache->page)) return;
if(!isset($cache->mode) || $cache->mode == 'i') return;
$depends = p_get_metadata($cache->page, 'plugin_include');
if($conf['allowdebug'] && $this->getConf('debugoutput')) {
dbglog('---- PLUGIN INCLUDE CACHE DEPENDS START ----');
dbglog($depends);
dbglog('---- PLUGIN INCLUDE CACHE DEPENDS END ----');
}
if (!is_array($depends)) return; // nothing to do for us
if (!is_array($depends['pages']) ||
!is_array($depends['instructions']) ||
$depends['pages'] != $this->helper->_get_included_pages_from_meta_instructions($depends['instructions']) ||
// the include_content url parameter may change the behavior for included pages
$depends['include_content'] != isset($_REQUEST['include_content'])) {
$cache->depends['purge'] = true; // included pages changed or old metadata - request purge.
if($conf['allowdebug'] && $this->getConf('debugoutput')) {
dbglog('---- PLUGIN INCLUDE: REQUESTING CACHE PURGE ----');
dbglog('---- PLUGIN INCLUDE CACHE PAGES FROM META START ----');
dbglog($depends['pages']);
dbglog('---- PLUGIN INCLUDE CACHE PAGES FROM META END ----');
dbglog('---- PLUGIN INCLUDE CACHE PAGES FROM META_INSTRUCTIONS START ----');
dbglog($this->helper->_get_included_pages_from_meta_instructions($depends['instructions']));
dbglog('---- PLUGIN INCLUDE CACHE PAGES FROM META_INSTRUCTIONS END ----');
}
} else {
// add plugin.info.txt to depends for nicer upgrades
$cache->depends['files'][] = dirname(__FILE__) . '/plugin.info.txt';
foreach ($depends['pages'] as $page) {
if (!$page['exists']) continue;
$file = wikiFN($page['id']);
if (!in_array($file, $cache->depends['files'])) {
$cache->depends['files'][] = $file;
}
}
}
}
/**
* Handle special section edit buttons for the include plugin to get the current page
* and replace normal section edit buttons when the current page is different from the
* global $ID.
*/
function handle_secedit_button(Doku_Event &$event, $params) {
// stack of included pages in the form ('id' => page, 'rev' => modification time, 'writable' => bool)
static $page_stack = array();
global $ID, $lang;
$data = $event->data;
if ($data['target'] == 'plugin_include_start' || $data['target'] == 'plugin_include_start_noredirect') {
// handle the "section edits" added by the include plugin
$fn = wikiFN($data['name']);
$perm = auth_quickaclcheck($data['name']);
array_unshift($page_stack, array(
'id' => $data['name'],
'rev' => @filemtime($fn),
'writable' => (page_exists($data['name']) ? (is_writable($fn) && $perm >= AUTH_EDIT) : $perm >= AUTH_CREATE),
'redirect' => ($data['target'] == 'plugin_include_start'),
));
} elseif ($data['target'] == 'plugin_include_end') {
array_shift($page_stack);
} elseif ($data['target'] == 'plugin_include_editbtn') {
if ($page_stack[0]['writable']) {
$params = array('do' => 'edit',
'id' => $page_stack[0]['id']);
if ($page_stack[0]['redirect'])
$params['redirect_id'] = $ID;
$event->result = '<div class="secedit">' . DOKU_LF .
html_btn('incledit', $page_stack[0]['id'], '',
$params, 'post',
$data['name'],
$lang['btn_secedit'].' ('.$page_stack[0]['id'].')') .
'</div>' . DOKU_LF;
}
} elseif (!empty($page_stack)) {
// Special handling for the edittable plugin
if ($data['target'] == 'table' && !plugin_isdisabled('edittable')) {
/* @var action_plugin_edittable_editor $edittable */
$edittable =& plugin_load('action', 'edittable_editor');
if (is_null($edittable))
$edittable =& plugin_load('action', 'edittable');
$data['name'] = $edittable->getLang('secedit_name');
}
if ($page_stack[0]['writable'] && isset($data['name']) && $data['name'] !== '') {
$name = $data['name'];
unset($data['name']);
$secid = $data['secid'];
unset($data['secid']);
if ($page_stack[0]['redirect'])
$data['redirect_id'] = $ID;
$event->result = "<div class='secedit editbutton_" . $data['target'] .
" editbutton_" . $secid . "'>" .
html_btn('secedit', $page_stack[0]['id'], '',
array_merge(array('do' => 'edit',
'rev' => $page_stack[0]['rev'],
'summary' => '['.$name.'] '), $data),
'post', $name) . '</div>';
} else {
$event->result = '';
}
} else {
return; // return so the event won't be stopped
}
$event->preventDefault();
$event->stopPropagation();
}
public function handle_move_register(Doku_Event $event, $params) {
$event->data['handlers']['include_include'] = array($this, 'rewrite_include');
}
public function rewrite_include($match, $pos, $state, $plugin, helper_plugin_move_handler $handler) {
$syntax = substr($match, 2, -2); // strip markup
$replacers = explode('|', $syntax);
$syntax = array_shift($replacers);
list($syntax, $flags) = explode('&', $syntax, 2);
// break the pattern up into its parts
list($mode, $page, $sect) = preg_split('/>|#/u', $syntax, 3);
if (method_exists($handler, 'adaptRelativeId')) { // move plugin before version 2015-05-16
$newpage = $handler->adaptRelativeId($page);
} else {
$newpage = $handler->resolveMoves($page, 'page');
$newpage = $handler->relativeLink($page, $newpage, 'page');
}
if ($newpage == $page) {
return $match;
} else {
$result = '{{'.$mode.'>'.$newpage;
if ($sect) $result .= '#'.$sect;
if ($flags) $result .= '&'.$flags;
if ($replacers) $result .= '|'.$replacers;
$result .= '}}';
return $result;
}
}
}
// vim:ts=4:sw=4:et: