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<?php
namespace Zotlabs\Module;/** @file */
use \library\parsedown\Parsedown as Parsedown;
class Wiki extends \Zotlabs\Web\Controller {
function init() {
// Determine which channel's wikis to display to the observer
$which = null;
if(argc() > 1)
$which = argv(1); // if the channel name is in the URL, use that
if(! $which) { // if no channel name was provided, assume the current logged in channel
if(local_channel()) {
$channel = \App::get_channel();
if($channel && $channel['channel_address'])
$which = $channel['channel_address'];
goaway(z_root().'/wiki/'.$which);
}
}
if(! $which) {
notice( t('You must be logged in to see this page.') . EOL );
goaway('/login');
}
}
function get() {
require_once('include/wiki.php');
require_once('include/acl_selectors.php');
if(local_channel()) {
$channel = \App::get_channel();
}
// TODO: check observer permissions
//$ob = \App::get_observer();
//$observer = get_observer_hash();
// Obtain the default permission settings of the channel
$channel_acl = array(
'allow_cid' => $channel['channel_allow_cid'],
'allow_gid' => $channel['channel_allow_gid'],
'deny_cid' => $channel['channel_deny_cid'],
'deny_gid' => $channel['channel_deny_gid']
);
// Initialize the ACL to the channel default permissions
$x = array(
'lockstate' => (($channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
'acl' => populate_acl($channel_acl),
'bang' => ''
);
$resource_id = '';
if(argc()>2) {
// Check if wiki exists andr redirect if it does not
$channel = get_channel_by_nick(argv(1));
$w = wiki_exists_by_name($channel['channel_id'], argv(2));
logger('wiki_Exists: ' . json_encode($w));
if(!$w['id']) {
goaway('/'.argv(0).'/'.argv(1));
} else {
$resource_id = $w['resource_id'];
}
}
if(argc()<3) {
$wikiheader = t('Wiki Sandbox');
$hide_editor = false;
} elseif (argc()<4) {
$wikiheader = 'Empty wiki: ' . rawurldecode(argv(2)); // show wiki name
$hide_editor = true;
} elseif (argc()<5) {
$wikiheader = rawurldecode(argv(2)) . ': ' . rawurldecode(argv(3)); // show wiki name and page
$hide_editor = false;
}
$o .= replace_macros(get_markup_template('wiki.tpl'),array(
'$wikiheader' => $wikiheader,
'$hideEditor' => $hide_editor,
'$channel' => $channel['channel_address'],
'$resource_id' => $resource_id,
'$lockstate' => $x['lockstate'],
'$acl' => $x['acl'],
'$bang' => $x['bang'],
'$content' => '# Start your wiki',
'$wikiName' => array('wikiName', t('Enter the name of your new wiki:'), '', ''),
'$pageName' => array('pageName', t('Enter the name of the new page:'), '', '')
));
head_add_js('library/ace/ace.js');
return $o;
}
function post() {
require_once('include/wiki.php');
// Render mardown-formatted text in HTML
if((argc() > 2) && (argv(2) === 'preview')) {
$content = $_POST['content'];
logger('preview content: ' . $content);
//require_once('library/parsedown/Parsedown.php');
$parsedown = new Parsedown();
$html = $parsedown->text($content);
json_return_and_die(array('html' => $html, 'success' => true));
}
// Check if specified wiki exists and redirect if not
if((argc() > 2)) {
$wikiname = argv(2);
// TODO: Check if specified wiki exists and redirect if not
}
// Create a new wiki
if ((argc() > 3) && (argv(2) === 'create') && (argv(3) === 'wiki')) {
$which = argv(1);
// Determine if observer has permission to create wiki
if (local_channel()) {
$channel = \App::get_channel();
} else {
$channel = get_channel_by_nick($which);
$observer_hash = get_observer_hash();
// Figure out who the page owner is.
$perms = get_all_perms(intval($channel['channel_id']), $observer_hash);
// TODO: Create a new permission setting for wiki analogous to webpages. Until
// then, use webpage permissions
if (!$perms['write_pages']) {
notice(t('Permission denied.') . EOL);
goaway('/'.argv(0).'/'.argv(1).'/'.argv(2));
}
}
$name = escape_tags(urlencode($_POST['wikiName'])); //Get new wiki name
if($name === '') {
notice('Error creating wiki. Invalid name.');
goaway('/wiki');
}
// Get ACL for permissions
$acl = new \Zotlabs\Access\AccessList($channel);
logger('POST: ' . json_encode($_POST));
$acl->set_from_array($_POST);
logger('acl: ' . json_encode($acl));
$r = wiki_create_wiki($channel, $observer_hash, $name, $acl);
if ($r['success']) {
goaway('/wiki/'.$which.'/'.$name);
} else {
notice('Error creating wiki');
goaway('/wiki');
}
}
// Delete a wiki
if ((argc() > 3) && (argv(2) === 'delete') && (argv(3) === 'wiki')) {
$which = argv(1);
// Determine if observer has permission to create wiki
if (local_channel()) {
$channel = \App::get_channel();
} else {
$channel = get_channel_by_nick($which);
$observer_hash = get_observer_hash();
// Figure out who the page owner is.
$perms = get_all_perms(intval($channel['channel_id']), $observer_hash);
// TODO: Create a new permission setting for wiki analogous to webpages. Until
// then, use webpage permissions
if (!$perms['write_pages']) {
logger('Wiki delete permission denied.' . EOL);
json_return_and_die(array('success' => false));
}
}
$resource_id = $_POST['resource_id'];
$deleted = wiki_delete_wiki($resource_id);
if ($deleted['success']) {
json_return_and_die(array('success' => true));
} else {
logger('Error deleting wiki: ' . $resource_id);
json_return_and_die(array('success' => false));
}
}
// Create a page
if ((argc() === 4) && (argv(2) === 'create') && (argv(3) === 'page')) {
$which = argv(1);
$resource_id = $_POST['resource_id'];
// Determine if observer has permission to create wiki
if (local_channel()) {
$channel = \App::get_channel();
} else {
$channel = get_channel_by_nick($which);
$observer_hash = get_observer_hash();
// Figure out who the page owner is.
$perms = get_all_perms(intval($channel['channel_id']), $observer_hash);
// TODO: Create a new permission setting for wiki analogous to webpages. Until
// then, use webpage permissions
if (!$perms['write_pages']) {
logger('Wiki editing permission denied.' . EOL);
json_return_and_die(array('success' => false));
}
$perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash);
if(!$perms['write']) {
logger('Wiki write permission denied. Read only.' . EOL);
json_return_and_die(array('success' => false));
}
}
$name = escape_tags(urlencode($_POST['name'])); //Get new wiki name
if($name === '') {
json_return_and_die(array('message' => 'Error creating page. Invalid name.', 'success' => false));
}
$page = wiki_create_page($name . '.md', $resource_id);
if ($page['success']) {
json_return_and_die(array('url' => '/'.argv(0).'/'.argv(1).'/'.$page['wiki'].'/'.$name, 'success' => true));
} else {
logger('Error creating page');
json_return_and_die(array('message' => 'Error creating page.', 'success' => false));
}
}
// Fetch page list for a wiki
if ((argc() === 5) && (argv(2) === 'get') && (argv(3) === 'page') && (argv(4) === 'list')) {
$resource_id = $_POST['resource_id']; // resource_id for wiki in db
$channel = get_channel_by_nick(argv(1));
$observer_hash = get_observer_hash();
$perms = wiki_get_permissions($resource_id, intval($channel['channel_id']), $observer_hash);
if(!$perms['read']) {
logger('Wiki read permission denied.' . EOL);
json_return_and_die(array('pages' => null, 'message' => 'Permission denied.', 'success' => false));
}
$page_list_html = widget_wiki_pages(array('resource_id' => $resource_id));
json_return_and_die(array('pages' => $page_list_html, 'message' => '', 'success' => true));
}
//notice('You must be authenticated.');
json_return_and_die(array('message' => 'You must be authenticated.', 'success' => false));
}
}
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