673 lines
21 KiB
PHP
673 lines
21 KiB
PHP
<?php
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namespace Zotlabs\Lib;
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use \Zotlabs\Lib as Zlib;
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class NativeWikiPage {
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static public function page_list($channel_id,$observer_hash, $resource_id) {
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// TODO: Create item table records for pages so that metadata like title can be applied
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$w = Zlib\NativeWiki::get_wiki($channel_id,$observer_hash,$resource_id);
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$pages[] = [
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'resource_id' => '',
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'title' => 'Home',
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'url' => 'Home',
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'link_id' => 'id_wiki_home_0'
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];
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$sql_extra = item_permissions_sql($channel_id,$observer_hash);
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$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and item_deleted = 0
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$sql_extra group by mid",
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dbesc($resource_id),
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intval($channel_id)
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);
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if($r) {
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$items = fetch_post_tags($r,true);
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foreach($items as $page_item) {
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$title = get_iconfig($page_item['id'],'nwikipage','pagetitle',t('(No Title)'));
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if(urldecode($title) !== 'Home') {
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$pages[] = [
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'resource_id' => $resource_id,
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'title' => escape_tags($title),
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'url' => urlencode(urlencode($title)),
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'link_id' => 'id_' . substr($resource_id, 0, 10) . '_' . $page_item['id']
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];
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}
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}
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}
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return array('pages' => $pages, 'wiki' => $w);
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}
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static public function create_page($channel_id, $observer_hash, $name, $resource_id) {
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (! $w['wiki']) {
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return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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// create an empty activity
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$arr = [];
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$arr['uid'] = $channel_id;
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$arr['author_xchan'] = $observer_hash;
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$arr['resource_type'] = 'nwikipage';
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$arr['resource_id'] = $resource_id;
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$arr['allow_cid'] = $w['wiki']['allow_cid'];
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$arr['allow_gid'] = $w['wiki']['allow_gid'];
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$arr['deny_cid'] = $w['wiki']['deny_cid'];
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$arr['deny_gid'] = $w['wiki']['deny_gid'];
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$arr['public_policy'] = map_scope(\Zotlabs\Access\PermissionLimits::Get($channel_id,'view_wiki'),true);
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// We may wish to change this some day.
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$arr['item_unpublished'] = 1;
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set_iconfig($arr,'nwikipage','pagetitle',(($name) ? $name : t('(No Title)')),true);
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$p = post_activity_item($arr, false, false);
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if($p['item_id']) {
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$page = [
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'rawName' => $name,
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'htmlName' => escape_tags($name),
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'urlName' => urlencode($name),
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];
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return array('page' => $page, 'item_id' => $p['item_id'], 'item' => $p['activity'], 'wiki' => $w, 'message' => '', 'success' => true);
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}
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return [ 'success' => false, 'message' => t('Wiki page create failed.') ];
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}
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static public function rename_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$pageNewName = ((array_key_exists('pageNewName',$arr)) ? $arr['pageNewName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if(! $w['wiki']) {
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return array('message' => t('Wiki not found.'), 'success' => false);
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}
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$ic = q("select * from iconfig left join item on iconfig.iid = item.id
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where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
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intval($channel_id),
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dbesc($pageNewName)
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);
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if($ic) {
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return [ 'success' => false, 'message' => t('Destination name already exists') ];
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}
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$ids = [];
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$ic = q("select *, item.id as item_id from iconfig left join item on iconfig.iid = item.id
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where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
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intval($channel_id),
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dbesc($pageUrlName)
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);
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if($ic) {
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foreach($ic as $c) {
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set_iconfig($c['item_id'],'nwikipage','pagetitle',$pageNewName);
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}
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$page = [
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'rawName' => $pageNewName,
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'htmlName' => escape_tags($pageNewName),
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'urlName' => urlencode(escape_tags($pageNewName))
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];
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return [ 'success' => true, 'page' => $page ];
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}
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return [ 'success' => false, 'item_id' => $c['item_id'], 'message' => t('Page not found') ];
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}
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static public function get_page_content($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? intval($arr['channel_id']) : 0);
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$revision = ((array_key_exists('revision',$arr)) ? intval($arr['revision']) : (-1));
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (! $w['wiki']) {
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return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$item = self::load_page($arr);
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if($item) {
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$content = $item['body'];
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return [
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'content' => json_encode($content),
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'mimeType' => $w['mimeType'],
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'message' => '',
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'success' => true
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];
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}
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return array('content' => null, 'message' => t('Error reading page content'), 'success' => false);
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}
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static public function page_history($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (!$w['wiki']) {
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return array('history' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$items = self::load_page_history($arr);
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$history = [];
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if($items) {
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$processed = 0;
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foreach($items as $item) {
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if($processed > 1000)
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break;
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$processed ++;
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$history[] = [
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'revision' => $item['revision'],
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'date' => datetime_convert('UTC',date_default_timezone_get(),$item['edited']),
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'name' => $item['author']['xchan_name'],
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'title' => get_iconfig($item,'nwikipage','commit_msg')
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];
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}
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return [ 'success' => true, 'history' => $history ];
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}
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return [ 'success' => false ];
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}
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static public function load_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : (-1));
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (! $w['wiki']) {
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return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$ids = '';
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$ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
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intval($channel_id),
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dbesc($pageUrlName)
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);
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if($ic) {
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foreach($ic as $c) {
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if($ids)
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$ids .= ',';
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$ids .= intval($c['iid']);
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}
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}
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$sql_extra = item_permissions_sql($channel_id,$observer_hash);
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if($revision == (-1))
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$sql_extra .= " order by revision desc ";
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elseif($revision)
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$sql_extra .= " and revision = " . intval($revision) . " ";
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$r = null;
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if($ids) {
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$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) $sql_extra limit 1",
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dbesc($resource_id),
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intval($channel_id)
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);
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if($r) {
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$items = fetch_post_tags($r,true);
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return $items[0];
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}
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}
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return null;
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}
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static public function load_page_history($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : (-1));
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (! $w['wiki']) {
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return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
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}
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$ids = '';
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$ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
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intval($channel_id),
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dbesc($pageUrlName)
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);
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if($ic) {
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foreach($ic as $c) {
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if($ids)
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$ids .= ',';
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$ids .= intval($c['iid']);
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}
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}
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$sql_extra = item_permissions_sql($channel_id,$observer_hash);
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$sql_extra .= " order by revision desc ";
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$r = null;
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if($ids) {
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$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) and item_deleted = 0 $sql_extra",
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dbesc($resource_id),
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intval($channel_id)
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);
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if($r) {
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xchan_query($r);
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$items = fetch_post_tags($r,true);
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return $items;
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}
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}
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return null;
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}
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static public function prepare_content($s) {
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$text = preg_replace_callback('{
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(?:\n\n|\A\n?)
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( # $1 = the code block -- one or more lines, starting with a space/tab
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(?>
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[ ]{'.'4'.'} # Lines must start with a tab or a tab-width of spaces
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.*\n+
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)+
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)
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((?=^[ ]{0,'.'4'.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc
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}xm',
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'self::nwiki_prepare_content_callback', $s);
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return $text;
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}
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static public function nwiki_prepare_content_callback($matches) {
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$codeblock = $matches[1];
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$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES, UTF8, false);
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return "\n\n" . $codeblock ;
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}
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static public function save_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$content = ((array_key_exists('content',$arr)) ? $arr['content'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$revision = ((array_key_exists('revision',$arr)) ? $arr['revision'] : 0);
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (!$w['wiki']) {
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return array('message' => t('Error reading wiki'), 'success' => false);
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}
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$mimetype = $w['mimeType'];
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if($mimetype === 'text/markdown') {
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$content = purify_html(Zlib\NativeWikiPage::prepare_content($content));
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}
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else {
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$content = escape_tags($content);
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}
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// fetch the most recently saved revision.
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$item = self::load_page($arr);
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if(! $item) {
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return array('message' => t('Page not found'), 'success' => false);
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}
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// change just the fields we need to change to create a revision;
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unset($item['id']);
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unset($item['author']);
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$item['parent'] = 0;
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$item['body'] = $content;
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$item['author_xchan'] = $observer_hash;
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$item['revision'] = (($arr['revision']) ? intval($arr['revision']) + 1 : intval($item['revision']) + 1);
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$item['edited'] = datetime_convert();
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if($item['iconfig'] && is_array($item['iconfig']) && count($item['iconfig'])) {
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for($x = 0; $x < count($item['iconfig']); $x ++) {
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unset($item['iconfig'][$x]['id']);
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unset($item['iconfig'][$x]['iid']);
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}
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}
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$ret = item_store($item, false, false);
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if($ret['item_id'])
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return array('message' => '', 'item_id' => $ret['item_id'], 'filename' => $filename, 'success' => true);
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else
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return array('message' => t('Page update failed.'), 'success' => false);
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}
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static public function delete_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if(! $w['wiki']) {
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return [ 'success' => false, 'message' => t('Error reading wiki') ];
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}
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$ids = [];
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$ic = q("select * from iconfig left join item on iconfig.iid = item.id
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where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
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intval($channel_id),
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dbesc($pageUrlName)
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);
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if($ic) {
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foreach($ic as $c) {
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$ids[] = intval($c['iid']);
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}
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}
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if($ids) {
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drop_items($ids);
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return [ 'success' => true ];
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}
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return [ 'success' => false, 'message' => t('Nothing deleted') ];
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}
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static public function revert_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$commitHash = ((array_key_exists('commitHash',$arr)) ? $arr['commitHash'] : null);
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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if (! $commitHash) {
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return array('content' => $content, 'message' => 'No commit was provided', 'success' => false);
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}
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (!$w['wiki']) {
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return array('content' => $content, 'message' => 'Error reading wiki', 'success' => false);
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}
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$x = $arr;
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if(intval($commitHash) > 0) {
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unset($x['commitHash']);
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$x['revision'] = intval($commitHash) - 1;
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$loaded = self::load_page($x);
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if($loaded) {
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$content = $loaded['body'];
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return [ 'content' => $content, 'success' => true ];
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}
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return [ 'content' => $content, 'success' => false ];
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}
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}
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static public function compare_page($arr) {
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$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
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$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
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$currentCommit = ((array_key_exists('currentCommit',$arr)) ? $arr['currentCommit'] : (-1));
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$compareCommit = ((array_key_exists('compareCommit',$arr)) ? $arr['compareCommit'] : 0);
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$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
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$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
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$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
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if (!$w['wiki']) {
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return array('message' => t('Error reading wiki'), 'success' => false);
|
|
}
|
|
|
|
$x = $arr;
|
|
$x['revision'] = (-1);
|
|
|
|
$currpage = self::load_page($x);
|
|
if($currpage)
|
|
$currentContent = $currpage['body'];
|
|
|
|
$x['revision'] = $compareCommit;
|
|
$comppage = self::load_page($x);
|
|
if($comppage)
|
|
$compareContent = $comppage['body'];
|
|
|
|
if($currpage && $comppage) {
|
|
require_once('library/class.Diff.php');
|
|
$diff = \Diff::toTable(\Diff::compare($currentContent, $compareContent));
|
|
|
|
return [ 'success' => true, 'diff' => $diff ];
|
|
}
|
|
return [ 'success' => false, 'message' => t('Compare: object not found.') ];
|
|
|
|
}
|
|
|
|
static public function commit($arr) {
|
|
|
|
$commit_msg = ((array_key_exists('commit_msg', $arr)) ? $arr['commit_msg'] : t('Page updated'));
|
|
$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
|
|
$channel_id = ((array_key_exists('channel_id',$arr)) ? $arr['channel_id'] : 0);
|
|
$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : t('Untitled'));
|
|
|
|
if(array_key_exists('resource_id', $arr)) {
|
|
$resource_id = $arr['resource_id'];
|
|
}
|
|
else {
|
|
return array('message' => t('Wiki resource_id required for git commit'), 'success' => false);
|
|
}
|
|
|
|
$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
|
|
if (! $w['wiki']) {
|
|
return array('message' => t('Error reading wiki'), 'success' => false);
|
|
}
|
|
|
|
|
|
$page = self::load_page($arr);
|
|
|
|
if($page) {
|
|
set_iconfig($page['id'],'nwikipage','commit_msg',escape_tags($commit_msg),true);
|
|
return [ 'success' => true, 'item_id' => $page['id'], 'page' => $page ];
|
|
}
|
|
|
|
return [ 'success' => false, 'message' => t('Page not found.') ];
|
|
|
|
}
|
|
|
|
static public function convert_links($s, $wikiURL) {
|
|
|
|
if (strpos($s,'[[') !== false) {
|
|
preg_match_all("/\[\[(.*?)\]\]/", $s, $match);
|
|
$pages = $pageURLs = array();
|
|
foreach ($match[1] as $m) {
|
|
// TODO: Why do we need to double urlencode for this to work?
|
|
$pageURLs[] = urlencode(urlencode(escape_tags($m)));
|
|
$pages[] = $m;
|
|
}
|
|
$idx = 0;
|
|
while(strpos($s,'[[') !== false) {
|
|
$replace = '<a href="'.$wikiURL.'/'.$pageURLs[$idx].'">'.$pages[$idx].'</a>';
|
|
$s = preg_replace("/\[\[(.*?)\]\]/", $replace, $s, 1);
|
|
$idx++;
|
|
}
|
|
}
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Replace the instances of the string [toc] with a list element that will be populated by
|
|
* a table of contents by the JavaScript library
|
|
* @param string $s
|
|
* @return string
|
|
*/
|
|
static public function generate_toc($s) {
|
|
if (strpos($s,'[toc]') !== false) {
|
|
//$toc_md = wiki_toc($s); // Generate Markdown-formatted list prior to HTML render
|
|
$toc_md = '<ul id="wiki-toc"></ul>'; // use the available jQuery plugin http://ndabas.github.io/toc/
|
|
$s = preg_replace("/\[toc\]/", $toc_md, $s, -1);
|
|
}
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Converts a select set of bbcode tags. Much of the code is copied from include/bbcode.php
|
|
* @param string $s
|
|
* @return string
|
|
*/
|
|
static public function bbcode($s) {
|
|
|
|
$s = str_replace(array('[baseurl]', '[sitename]'), array(z_root(), get_config('system', 'sitename')), $s);
|
|
|
|
$s = preg_replace_callback("/\[observer\.language\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_callback', $s);
|
|
|
|
$s = preg_replace_callback("/\[observer\.language\!\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_necallback', $s);
|
|
|
|
|
|
$observer = \App::get_observer();
|
|
if ($observer) {
|
|
$s1 = '<span class="bb_observer" title="' . t('Different viewers will see this text differently') . '">';
|
|
$s2 = '</span>';
|
|
$obsBaseURL = $observer['xchan_connurl'];
|
|
$obsBaseURL = preg_replace("/\/poco\/.*$/", '', $obsBaseURL);
|
|
$s = str_replace('[observer.baseurl]', $obsBaseURL, $s);
|
|
$s = str_replace('[observer.url]', $observer['xchan_url'], $s);
|
|
$s = str_replace('[observer.name]', $s1 . $observer['xchan_name'] . $s2, $s);
|
|
$s = str_replace('[observer.address]', $s1 . $observer['xchan_addr'] . $s2, $s);
|
|
$s = str_replace('[observer.webname]', substr($observer['xchan_addr'], 0, strpos($observer['xchan_addr'], '@')), $s);
|
|
$s = str_replace('[observer.photo]', '', $s);
|
|
}
|
|
else {
|
|
$s = str_replace('[observer.baseurl]', '', $s);
|
|
$s = str_replace('[observer.url]', '', $s);
|
|
$s = str_replace('[observer.name]', '', $s);
|
|
$s = str_replace('[observer.address]', '', $s);
|
|
$s = str_replace('[observer.webname]', '', $s);
|
|
$s = str_replace('[observer.photo]', '', $s);
|
|
}
|
|
|
|
return $s;
|
|
}
|
|
|
|
static public function get_file_ext($arr) {
|
|
if($arr['mimeType'] == 'text/bbcode')
|
|
return '.bb';
|
|
else
|
|
return '.md';
|
|
}
|
|
|
|
// This function is derived from
|
|
// http://stackoverflow.com/questions/32068537/generate-table-of-contents-from-markdown-in-php
|
|
static public function toc($content) {
|
|
// ensure using only "\n" as line-break
|
|
$source = str_replace(["\r\n", "\r"], "\n", $content);
|
|
|
|
// look for markdown TOC items
|
|
preg_match_all(
|
|
'/^(?:=|-|#).*$/m',
|
|
$source,
|
|
$matches,
|
|
PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE
|
|
);
|
|
|
|
// preprocess: iterate matched lines to create an array of items
|
|
// where each item is an array(level, text)
|
|
$file_size = strlen($source);
|
|
foreach ($matches[0] as $item) {
|
|
$found_mark = substr($item[0], 0, 1);
|
|
if ($found_mark == '#') {
|
|
// text is the found item
|
|
$item_text = $item[0];
|
|
$item_level = strrpos($item_text, '#') + 1;
|
|
$item_text = substr($item_text, $item_level);
|
|
} else {
|
|
// text is the previous line (empty if <hr>)
|
|
$item_offset = $item[1];
|
|
$prev_line_offset = strrpos($source, "\n", -($file_size - $item_offset + 2));
|
|
$item_text =
|
|
substr($source, $prev_line_offset, $item_offset - $prev_line_offset - 1);
|
|
$item_text = trim($item_text);
|
|
$item_level = $found_mark == '=' ? 1 : 2;
|
|
}
|
|
if (!trim($item_text) OR strpos($item_text, '|') !== FALSE) {
|
|
// item is an horizontal separator or a table header, don't mind
|
|
continue;
|
|
}
|
|
$raw_toc[] = ['level' => $item_level, 'text' => trim($item_text)];
|
|
}
|
|
$o = '';
|
|
foreach($raw_toc as $t) {
|
|
$level = intval($t['level']);
|
|
$text = $t['text'];
|
|
switch ($level) {
|
|
case 1:
|
|
$li = '* ';
|
|
break;
|
|
case 2:
|
|
$li = ' * ';
|
|
break;
|
|
case 3:
|
|
$li = ' * ';
|
|
break;
|
|
case 4:
|
|
$li = ' * ';
|
|
break;
|
|
default:
|
|
$li = '* ';
|
|
break;
|
|
}
|
|
$o .= $li . $text . "\n";
|
|
}
|
|
return $o;
|
|
}
|
|
|
|
}
|