<?php namespace Zotlabs\Lib; define ( 'NWIKI_ITEM_RESOURCE_TYPE', 'nwiki' ); class NativeWiki { static public function listwikis($channel, $observer_hash) { $sql_extra = item_permissions_sql($channel['channel_id'], $observer_hash); $wikis = q("SELECT * FROM item WHERE resource_type = '%s' AND mid = parent_mid AND uid = %d AND item_deleted = 0 $sql_extra", dbesc(NWIKI_ITEM_RESOURCE_TYPE), intval($channel['channel_id']) ); if($wikis) { foreach($wikis as &$w) { $w['json_allow_cid'] = acl2json($w['allow_cid']); $w['json_allow_gid'] = acl2json($w['allow_gid']); $w['json_deny_cid'] = acl2json($w['deny_cid']); $w['json_deny_gid'] = acl2json($w['deny_gid']); $w['rawName'] = get_iconfig($w, 'wiki', 'rawName'); $w['htmlName'] = escape_tags($w['rawName']); $w['urlName'] = urlencode(urlencode($w['rawName'])); $w['mimeType'] = get_iconfig($w, 'wiki', 'mimeType'); $w['typelock'] = get_iconfig($w, 'wiki', 'typelock'); $w['lockstate'] = (($w['allow_cid'] || $w['allow_gid'] || $w['deny_cid'] || $w['deny_gid']) ? 'lock' : 'unlock'); } } // TODO: query db for wikis the observer can access. Return with two lists, for read and write access return array('wikis' => $wikis); } function create_wiki($channel, $observer_hash, $wiki, $acl) { // Generate unique resource_id using the same method as item_message_id() do { $dups = false; $resource_id = random_string(); $r = q("SELECT mid FROM item WHERE resource_id = '%s' AND resource_type = '%s' AND uid = %d LIMIT 1", dbesc($resource_id), dbesc(NWIKI_ITEM_RESOURCE_TYPE), intval($channel['channel_id']) ); if($r) $dups = true; } while($dups == true); $ac = $acl->get(); $mid = item_message_id(); $arr = array(); // Initialize the array of parameters for the post $item_hidden = ((intval($wiki['postVisible']) === 0) ? 1 : 0); $wiki_url = z_root() . '/wiki/' . $channel['channel_address'] . '/' . $wiki['urlName']; $arr['aid'] = $channel['channel_account_id']; $arr['uid'] = $channel['channel_id']; $arr['mid'] = $mid; $arr['parent_mid'] = $mid; $arr['item_hidden'] = $item_hidden; $arr['resource_type'] = NWIKI_ITEM_RESOURCE_TYPE; $arr['resource_id'] = $resource_id; $arr['owner_xchan'] = $channel['channel_hash']; $arr['author_xchan'] = $observer_hash; $arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . urlencode($arr['mid']); $arr['llink'] = $arr['plink']; $arr['title'] = $wiki['htmlName']; // name of new wiki; $arr['allow_cid'] = $ac['allow_cid']; $arr['allow_gid'] = $ac['allow_gid']; $arr['deny_cid'] = $ac['deny_cid']; $arr['deny_gid'] = $ac['deny_gid']; $arr['item_wall'] = 1; $arr['item_origin'] = 1; $arr['item_thread_top'] = 1; $arr['item_private'] = intval($acl->is_private()); $arr['verb'] = ACTIVITY_CREATE; $arr['obj_type'] = ACTIVITY_OBJ_WIKI; $arr['body'] = '[table][tr][td][h1]New Wiki[/h1][/td][/tr][tr][td][zrl=' . $wiki_url . ']' . $wiki['htmlName'] . '[/zrl][/td][/tr][/table]'; $arr['public_policy'] = map_scope(\Zotlabs\Access\PermissionLimits::Get($channel['channel_id'],'view_wiki'),true); // Save the wiki name information using iconfig. This is shareable. if(! set_iconfig($arr, 'wiki', 'rawName', $wiki['rawName'], true)) { return array('item' => null, 'success' => false); } if(! set_iconfig($arr, 'wiki', 'mimeType', $wiki['mimeType'], true)) { return array('item' => null, 'success' => false); } set_iconfig($arr,'wiki','typelock',$wiki['typelock'],true); $post = item_store($arr); $item_id = $post['item_id']; if($item_id) { \Zotlabs\Daemon\Master::Summon(array('Notifier', 'activity', $item_id)); return array('item' => $post['item'], 'item_id' => $item_id, 'success' => true); } else { return array('item' => null, 'success' => false); } } function update_wiki($channel_id, $observer_hash, $arr, $acl) { $w = self::get_wiki($channel_id, $observer_hash, $arr['resource_id']); $item = $w['wiki']; if(! $item) { return array('item' => null, 'success' => false); } $x = $acl->get(); $item['allow_cid'] = $x['allow_cid']; $item['allow_gid'] = $x['allow_gid']; $item['deny_cid'] = $x['deny_cid']; $item['deny_gid'] = $x['deny_gid']; $item['item_private'] = intval($acl->is_private()); $update_title = false; if($item['title'] !== $arr['updateRawName']) { $update_title = true; $item['title'] = $arr['updateRawName']; } $update = item_store_update($item); $item_id = $update['item_id']; // update acl for any existing wiki pages q("update item set allow_cid = '%s', allow_gid = '%s', deny_cid = '%s', deny_gid = '%s', item_private = %d where resource_type = 'nwikipage' and resource_id = '%s'", dbesc($item['allow_cid']), dbesc($item['allow_gid']), dbesc($item['deny_cid']), dbesc($item['deny_gid']), dbesc($item['item_private']), dbesc($arr['resource_id']) ); if($update['item_id']) { info( t('Wiki updated successfully')); if($update_title) { // Update the wiki name information using iconfig. if(! set_iconfig($update['item_id'], 'wiki', 'rawName', $arr['updateRawName'], true)) { return array('item' => null, 'success' => false); } } return array('item' => $update['item'], 'item_id' => $update['item_id'], 'success' => $update['success']); } else { return array('item' => null, 'success' => false); } } static public function sync_a_wiki_item($uid,$id,$resource_id) { $r = q("SELECT * from item WHERE uid = %d AND ( id = %d OR ( resource_type = '%s' and resource_id = '%s' )) ", intval($uid), intval($id), dbesc(NWIKI_ITEM_RESOURCE_TYPE), dbesc($resource_id) ); if($r) { $q = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s'", dbesc($r[0]['resource_id']) ); if($q) { $r = array_merge($r,$q); } xchan_query($r); $sync_item = fetch_post_tags($r); if($sync_item) { $pkt = []; foreach($sync_item as $w) { $pkt[] = encode_item($w,true); } build_sync_packet($uid,array('wiki' => $pkt)); } } } function delete_wiki($channel_id,$observer_hash,$resource_id) { $w = self::get_wiki($channel_id,$observer_hash,$resource_id); $item = $w['wiki']; if(! $item) { return array('item' => null, 'success' => false); } else { $drop = drop_item($item['id'], false, DROPITEM_NORMAL, true); } info( t('Wiki files deleted successfully')); return array('item' => $item, 'item_id' => $item['id'], 'success' => (($drop === 1) ? true : false)); } static public function get_wiki($channel_id, $observer_hash, $resource_id) { $sql_extra = item_permissions_sql($channel_id,$observer_hash); $item = q("SELECT * FROM item WHERE uid = %d AND resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 $sql_extra limit 1", intval($channel_id), dbesc(NWIKI_ITEM_RESOURCE_TYPE), dbesc($resource_id) ); if(! $item) { return array('wiki' => null); } else { $w = $item[0]; // wiki item table record // Get wiki metadata $rawName = get_iconfig($w, 'wiki', 'rawName'); $mimeType = get_iconfig($w, 'wiki', 'mimeType'); $typelock = get_iconfig($w, 'wiki', 'typelock'); return array( 'wiki' => $w, 'rawName' => $rawName, 'htmlName' => escape_tags($rawName), 'urlName' => urlencode(urlencode($rawName)), 'mimeType' => $mimeType, 'typelock' => $typelock ); } } static public function exists_by_name($uid, $urlName) { $sql_extra = item_permissions_sql($uid); $item = q("SELECT item.id, resource_id FROM item left join iconfig on iconfig.iid = item.id WHERE resource_type = '%s' AND iconfig.v = '%s' AND uid = %d AND item_deleted = 0 $sql_extra limit 1", dbesc(NWIKI_ITEM_RESOURCE_TYPE), dbesc(urldecode($urlName)), intval($uid) ); if($item) { return array('id' => $item[0]['id'], 'resource_id' => $item[0]['resource_id']); } else { return array('id' => null, 'resource_id' => null); } } static public function get_permissions($resource_id, $owner_id, $observer_hash) { // TODO: For now, only the owner can edit $sql_extra = item_permissions_sql($owner_id, $observer_hash); if(local_channel() && local_channel() == $owner_id) { return [ 'read' => true, 'write' => true, 'success' => true ]; } $r = q("SELECT * FROM item WHERE uid = %d and resource_type = '%s' AND resource_id = '%s' $sql_extra LIMIT 1", intval($owner_id), dbesc(NWIKI_ITEM_RESOURCE_TYPE), dbesc($resource_id) ); if(! $r) { return array('read' => false, 'write' => false, 'success' => true); } else { // TODO: Create a new permission setting for wiki analogous to webpages. Until // then, use webpage permissions $write = perm_is_allowed($owner_id, $observer_hash,'write_wiki'); return array('read' => true, 'write' => $write, 'success' => true); } } }