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<?php
/**
* Elgg dokuwiki plugin
*
* @package
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author lorea
* @copyright lorea
* @link http://lorea.cc
*/
function current_dokuwiki_entity($create = true) {
$page_owner = page_owner();
$user = get_loggedin_user();
//error_log($page_owner->guid);
//error_log($user->guid);
if (!$page_owner)
$page_owner = 0;
$entities = elgg_get_entities(array('types' => 'object', 'subtypes' => 'dokuwiki', 'limit' => 1, 'owner_guid' => $page_owner));
if ($entities) {
$doku = $entities[0];
return $doku;
}
elseif ($user && $create) {
elgg_set_ignore_access(true);
$newdoku = new ElggObject();
$newdoku->access_id = ACCESS_PUBLIC;
$newdoku->owner_guid = $page_owner;
$newdoku->subtype = 'dokuwiki';
$newdoku->container_guid = $page_owner;
$newdoku->save();
$acl = array();
$acl[] = "# acl.auth.php";
$acl[] = '# <?php exit()?\>';
$acl[] = "* @ALL 0";
$acl[] = "* @user 1";
$acl[] = "* @member 8";
$acl[] = "* @admin 16";
$acl[] = "* @root 255";
$newdoku->wiki_acl = implode("\n", $acl)."\n";
elgg_set_ignore_access(false);
return $newdoku;
}
}
function elggdoku_recurse_copy($src,$dst) {
$dir = opendir($src);
@mkdir($dst);
while(false !== ( $file = readdir($dir)) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir($src . '/' . $file) ) {
elggdoku_recurse_copy($src . '/' . $file,$dst . '/' . $file);
}
else {
copy($src . '/' . $file,$dst . '/' . $file);
}
}
}
closedir($dir);
}
function elggdokuwiki_create_datafolder($path) {
if (is_dir($path)) // if it exists must be already created
return;
mkdir($path, 0700, true);
$orig = elgg_get_plugins_path().'dokuwiki/lib/dokuwiki/data';
elggdoku_recurse_copy($orig, $path);
}
/**
* Dispatches dokuwiki pages.
* URLs take the form of
* All wikis: dokuwiki/all
* Group wiki: dokuwiki/<guid>
*
* @param array $page
* @return NULL
*/
function dokuwiki_page_handler($page) {
if ($page[0] === "all") {
set_context("search");
include(elgg_get_plugins_path().'dokuwiki/index.php');
return;
}
set_context("dokuwiki");
$dokuwiki_path = elgg_get_plugins_path().'dokuwiki/lib/dokuwiki/';
$doku = current_dokuwiki_entity();
if (!$doku) // can fail if there is no user and wiki doesnt exist
forward();
$parsed_url = parse_url(elgg_get_site_url().'dokuwiki/');
$url_base = $parsed_url['path'];
if (is_numeric($page[0])) {
$entity_guid = $page[0];
$ent = get_entity($entity_guid);
if (($ent && $ent instanceof ElggGroup) && $ent->dokuwiki_enable !== 'yes') {
// wiki not activated for this group. bail out.
forward();
}
if ($ent && (/*$ent instanceof ElggUser ||*/ $ent instanceof ElggGroup)) {
set_page_owner($entity_guid);
$data_path = elgg_get_data_path().'wikis/'.$entity_guid;
} else {
// can't see the group
forward();
}
$page = array_slice($page, 1); // pop first element
define('DOKU_REL', $url_base.$entity_guid."/");
define('DOKU_BASE', $url_base.$entity_guid."/");
define('DOKU_URL', elgg_get_site_url().'dokuwiki/'.$entity_guid."/");
}
else {
$data_path = elgg_get_data_path().'wiki';
define('DOKU_REL', $url_base);
define('DOKU_BASE', $url_base);
define('DOKU_URL', elgg_get_site_url().'dokuwiki/');
}
define('DOKU_INC', $dokuwiki_path);
define('DOKU_MEDIA', elgg_get_site_url().'mod/dokuwiki/lib/dokuwiki/');
define('DOKU_CONF', $dokuwiki_path."conf/");
elggdokuwiki_create_datafolder($data_path);
define('DOKU_ELGGDATA',$data_path);
if (empty($page) || (count($page)==1 && $page[0] == 'acl')) {
$page = array('doku.php');
}
else if ((count($page)==1 && $page[0] == 'usermanager')) {
$page = array('doku.php');
}
else if ((count($page)==1 && $page[0] == 'plugin')) {
$page = array('doku.php');
}
else if ((count($page)==1 && $page[0] == 'config')) {
$page = array('doku.php');
}
else if ((count($page)==1 && $page[0] == 'revert')) {
$page = array('doku.php');
}
else if ((count($page)==1 && $page[0] == 'popularity')) {
$page = array('doku.php');
}
if (empty($page) || (count($page)==1 && !$page[0])) {
$page = array('doku.php');
}
$_SERVER['PHP_AUTH_USER'] = get_loggedin_user()->username;
$_SERVER['PHP_AUTH_PW'] = get_loggedin_user()->password;
if (count($page) == 1) {
$doku_body = elgg_view('dokuwiki/index',array('page'=>$page[0]));
echo $doku_body;
}
else {
// avoid inclusion over root
$dest = realpath($dokuwiki_path.implode("/",$page));
if (strpos($dest, $dokuwiki_path) == 0)
$doku_body = elgg_view('dokuwiki/index',array('page'=>implode("/",$page)));
echo $doku_body;
}
return;
}
/**
* Add a menu item to an ownerblock
*/
function dokuwiki_owner_block_menu($hook, $type, $return, $params) {
if (elgg_instanceof($params['entity'], 'group') && $params['entity']->dokuwiki_enable != "no") {
$url = "dokuwiki/{$params['entity']->guid}/";
$item = new ElggMenuItem('dokuwiki', elgg_echo('dokuwiki:group'), $url);
$return[] = $item;
}
return $return;
}
function elggdokuwiki_icon_hook($hook, $entity_type, $returnvalue, $params) {
if ($hook == 'entity:icon:url' && $params['entity']->getSubtype() == 'dokuwiki') {
$owner = get_entity($params['entity']->container_guid);
if ($owner)
return $owner->getIcon($params['size']);
}
return $returnvalue;
}
function elggdokuwiki_url($entity) {
return elgg_get_url_site() . "dokuwiki/".$entity->container_guid;
}
function elggdokuwiki_init(){
register_entity_type('object','dokuwiki');
register_plugin_hook('entity:icon:url', 'object', 'elggdokuwiki_icon_hook');
register_entity_url_handler('elggdokuwiki_url','object', 'dokuwiki');
// add blog link to
elgg_register_plugin_hook_handler('register', 'menu:owner_block', 'dokuwiki_owner_block_menu');
register_page_handler('dokuwiki','dokuwiki_page_handler');
add_group_tool_option('dokuwiki',elgg_echo('groups:enabledokuwiki'),false);
add_group_tool_option('dokuwiki_frontsidebar',elgg_echo('groups:enabledokuwiki_frontsidebar'),false);
add_group_tool_option('dokuwiki_frontpage',elgg_echo('groups:enabledokuwiki_frontpage'),false);
elgg_extend_view('groups/forum_latest','dokuwiki/grouppage');
elgg_extend_view('groups/left_column','dokuwiki/sidebar');
// Extending CSS
elgg_extend_view('css/elgg', 'dokuwiki/css');
// add a site navigation item
$item = new ElggMenuItem('wiki', elgg_echo('dokuwiki:title'), 'dokuwiki/all');
elgg_register_menu_item('site', $item);
elgg_extend_view("metatags", "dokuwiki/metatags");
}
register_elgg_event_handler('init','system','elggdokuwiki_init');
?>
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