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