Merge branch 2.2RC2.2

5 files changed, 1140 insertions, 34 deletions

diff --git a/Zotlabs/Lib/Apps.php b/Zotlabs/Lib/Apps.php
index ac03e11e1..0ca2f7a99 100644
--- a/Zotlabs/Lib/Apps.php
+++ b/Zotlabs/Lib/Apps.php
@@ -38,6 +38,7 @@ class Apps {
 				if(plugin_is_installed($plugin)) {
 					$x = self::parse_app_description($f,$translate);
 					if($x) {
+						$x['plugin'] = $plugin;
 						$ret[] = $x;
 					}
 				}
@@ -54,7 +55,6 @@ class Apps {
 			return;
 		$apps = self::get_system_apps(false);
 
-
 		self::$installed_system_apps = q("select * from app where app_system = 1 and app_channel = %d",
 			intval(local_channel())
 		);
@@ -102,11 +102,13 @@ class Apps {
 		foreach(self::$installed_system_apps as $iapp) {
 			if($iapp['app_id'] == hash('whirlpool',$app['name'])) {
 				$notfound = false;
-				if($iapp['app_version'] != $app['version']) {
+				if(($iapp['app_version'] != $app['version'])
+					|| ($app['plugin'] && (! $iapp['app_plugin']))) {
 					return intval($iapp['app_id']);
 				}
 			}
 		}
+
 		return $notfound;
 	}
 
@@ -144,8 +146,11 @@ class Apps {
 		$ret['type'] = 'system';
 
 		foreach($ret as $k => $v) {
-			if(strpos($v,'http') === 0)
-				$ret[$k] = zid($v);
+			if(strpos($v,'http') === 0) {
+				if(! (local_channel() && strpos($v,z_root()) === 0)) {
+					$ret[$k] = zid($v);
+				}
+			}
 		}
 
 		if(array_key_exists('desc',$ret))
@@ -157,6 +162,8 @@ class Apps {
 		if(array_key_exists('version',$ret))
 			$ret['version'] = str_replace(array('\'','"'),array(''','&dquot;'),$ret['version']);
 
+		if(array_key_exists('categories',$ret))
+			$ret['categories'] = str_replace(array('\'','"'),array(''','&dquot;'),$ret['categories']);
 
 		if(array_key_exists('requires',$ret)) {
 			$requires = explode(',',$ret['requires']);
@@ -238,9 +245,9 @@ class Apps {
 			'Profile Photo' => t('Profile Photo')
 		);
 
-		if(array_key_exists($arr['name'],$apps))
+		if(array_key_exists($arr['name'],$apps)) {
 			$arr['name'] = $apps[$arr['name']];
-
+		}
 	}
 
 
@@ -255,6 +262,7 @@ class Apps {
 		 *    list: normal mode for viewing an app on the app page
 		 *       no buttons are shown
 		 *    edit: viewing the app page in editing mode provides a delete button
+		 *    nav: render apps for app-bin
 		 */
 
 		$installed = false;
@@ -267,14 +275,20 @@ class Apps {
 
 		self::translate_system_apps($papp);
 
+		if(($papp['plugin']) && (! plugin_is_installed($papp['plugin'])))
+			return '';
+
 		$papp['papp'] = self::papp_encode($papp);
 
 		if(! strstr($papp['url'],'://'))
 			$papp['url'] = z_root() . ((strpos($papp['url'],'/') === 0) ? '' : '/') . $papp['url'];
 
 		foreach($papp as $k => $v) {
-			if(strpos($v,'http') === 0 && $k != 'papp')
-				$papp[$k] = zid($v);
+			if(strpos($v,'http') === 0 && $k != 'papp') {
+				if(! (local_channel() && strpos($v,z_root()) === 0)) {
+					$papp[$k] = zid($v);
+				}
+			}
 			if($k === 'desc')
 				$papp['desc'] = str_replace(array('\'','"'),array(''','&dquot;'),$papp['desc']);
 
@@ -332,14 +346,23 @@ class Apps {
 		}
 
 		$install_action = (($installed) ? t('Update') : t('Install'));
+		$icon = ((strpos($papp['photo'],'icon:') === 0) ? substr($papp['photo'],5) : '');
 
 		return replace_macros(get_markup_template('app.tpl'),array(
 			'$app' => $papp,
+			'$icon' => $icon,
 			'$hosturl' => $hosturl,
 			'$purchase' => (($papp['page'] && (! $installed)) ? t('Purchase') : ''),
 			'$install' => (($hosturl && $mode == 'view') ? $install_action : ''),
 			'$edit' => ((local_channel() && $installed && $mode == 'edit') ? t('Edit') : ''),
-			'$delete' => ((local_channel() && $installed && $mode == 'edit') ? t('Delete') : '')
+			'$delete' => ((local_channel() && $installed && $mode == 'edit') ? t('Delete') : ''),
+			'$undelete' => ((local_channel() && $installed && $mode == 'edit') ? t('Undelete') : ''),
+			'$deleted' => $papp['deleted'],
+			'$feature' => (($papp['embed']) ? false : true),
+			'$featured' => ((strpos($papp['categories'], 'nav_featured_app') === false) ? false : true),
+			'$navapps' => (($mode == 'nav') ? true : false),
+			'$add' => t('Add to app-tray'),
+			'$remove' => t('Remove from app-tray')
 		));
 	}
 
@@ -382,36 +405,82 @@ class Apps {
 				intval($uid)
 			);
 			if($x) {
-				$x[0]['app_deleted'] = 1;
-				q("delete from term where otype = %d and oid = %d",
-					intval(TERM_OBJ_APP),
-					intval($x[0]['id'])
-				);
-				if($x[0]['app_system']) {
-					$r = q("update app set app_deleted = 1 where app_id = '%s' and app_channel = %d",
-						dbesc($app['guid']),
-						intval($uid)
+				if(! intval($x[0]['app_deleted'])) {
+					$x[0]['app_deleted'] = 1;
+					q("delete from term where otype = %d and oid = %d",
+						intval(TERM_OBJ_APP),
+						intval($x[0]['id'])
 					);
+					if($x[0]['app_system']) {
+						$r = q("update app set app_deleted = 1 where app_id = '%s' and app_channel = %d",
+							dbesc($app['guid']),
+							intval($uid)
+						);
+					}
+					else {
+						$r = q("delete from app where app_id = '%s' and app_channel = %d",
+							dbesc($app['guid']),
+							intval($uid)
+						);
+
+						// we don't sync system apps - they may be completely different on the other system
+						build_sync_packet($uid,array('app' => $x));
+					}
 				}
 				else {
-					$r = q("delete from app where app_id = '%s' and app_channel = %d",
+					self::app_undestroy($uid,$app);
+				}
+			}
+		}
+	}
+
+	static public function app_undestroy($uid,$app) {
+
+		// undelete a system app
+		
+		if($uid && $app['guid']) {
+
+			$x = q("select * from app where app_id = '%s' and app_channel = %d limit 1",
+				dbesc($app['guid']),
+				intval($uid)
+			);
+			if($x) {
+				if($x[0]['app_system']) {
+					$r = q("update app set app_deleted = 0 where app_id = '%s' and app_channel = %d",
 						dbesc($app['guid']),
 						intval($uid)
 					);
-
-					// we don't sync system apps - they may be completely different on the other system
-					build_sync_packet($uid,array('app' => $x));
 				}
 			}
 		}
 	}
 
+	static public function app_feature($uid,$app) {
+		$r = q("select id from app where app_id = '%s' and app_channel = %d limit 1",
+			dbesc($app['guid']),
+			intval($uid)
+		);
+
+		$x = q("select * from term where otype = %d and oid = %d and term = 'nav_featured_app' limit 1",
+			intval(TERM_OBJ_APP),
+			intval($r[0]['id'])
+		);
+
+		if($x) {
+			q("delete from term where otype = %d and oid = %d and term = 'nav_featured_app'",
+				intval(TERM_OBJ_APP),
+				intval($x[0]['oid'])
+			);
+		}
+		else {
+			store_item_tag($uid,$r[0]['id'],TERM_OBJ_APP,TERM_CATEGORY,'nav_featured_app',escape_tags(z_root() . '/apps/?f=&cat=nav_featured_app'));
+		}
+	}
 
 	static public function app_installed($uid,$app) {
 
-		$r = q("select id from app where app_id = '%s' and app_version = '%s' and app_channel = %d limit 1",
+		$r = q("select id from app where app_id = '%s' and app_channel = %d limit 1",
 			dbesc((array_key_exists('guid',$app)) ? $app['guid'] : ''), 
-			dbesc((array_key_exists('version',$app)) ? $app['version'] : ''), 
 			intval($uid)
 		);
 		return(($r) ? true : false);
@@ -421,7 +490,7 @@ class Apps {
 
 	static public function app_list($uid, $deleted = false, $cat = '') {
 		if($deleted) 
-			$sql_extra = " and app_deleted = 1 ";
+			$sql_extra = "";
 		else
 			$sql_extra = " and app_deleted = 0 ";
 
@@ -445,6 +514,7 @@ class Apps {
 		$r = q("select * from app where app_channel = %d $sql_extra order by app_name asc",
 			intval($uid)
 		);
+
 		if($r) {
 			for($x = 0; $x < count($r); $x ++) {
 				if(! $r[$x]['app_system'])
@@ -455,6 +525,7 @@ class Apps {
 				);
 			}
 		}
+
 		return($r);
 	}
 
@@ -467,7 +538,7 @@ class Apps {
 
 	static public function app_store($arr) {
 
-		// logger('app_store: ' . print_r($arr,true));
+		//logger('app_store: ' . print_r($arr,true));
 
 		$darray = array();
 		$ret = array('success' => false);
@@ -478,7 +549,7 @@ class Apps {
 		if((! $darray['app_url']) || (! $darray['app_channel']))
 			return $ret;
 
-		if($arr['photo'] && ! strstr($arr['photo'],z_root())) {
+		if($arr['photo'] && (strpos($arr['photo'],'icon:') !== 0) && (! strstr($arr['photo'],z_root()))) {
 			$x = import_xchan_photo($arr['photo'],get_observer_hash(),true);
 			$arr['photo'] = $x[1];
 		}
@@ -494,13 +565,14 @@ class Apps {
 		$darray['app_addr']     = ((x($arr,'addr'))     ? escape_tags($arr['addr']) : '');
 		$darray['app_price']    = ((x($arr,'price'))    ? escape_tags($arr['price']) : '');
 		$darray['app_page']     = ((x($arr,'page'))     ? escape_tags($arr['page']) : '');
+		$darray['app_plugin']   = ((x($arr,'plugin'))   ? escape_tags($arr['plugin']) : '');
 		$darray['app_requires'] = ((x($arr,'requires')) ? escape_tags($arr['requires']) : '');
 		$darray['app_system']   = ((x($arr,'system'))   ? intval($arr['system']) : 0);
 		$darray['app_deleted']  = ((x($arr,'deleted'))  ? intval($arr['deleted']) : 0);
 
 		$created = datetime_convert();
 
-		$r = q("insert into app ( app_id, app_sig, app_author, app_name, app_desc, app_url, app_photo, app_version, app_channel, app_addr, app_price, app_page, app_requires, app_created, app_edited, app_system, app_deleted ) values ( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d )",
+		$r = q("insert into app ( app_id, app_sig, app_author, app_name, app_desc, app_url, app_photo, app_version, app_channel, app_addr, app_price, app_page, app_requires, app_created, app_edited, app_system, app_plugin, app_deleted ) values ( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s', %d )",
 			dbesc($darray['app_id']),
 			dbesc($darray['app_sig']),
 			dbesc($darray['app_author']),
@@ -517,6 +589,7 @@ class Apps {
 			dbesc($created),
 			dbesc($created),
 			intval($darray['app_system']),
+			dbesc($darray['app_plugin']),
 			intval($darray['app_deleted'])
 		);
 		if($r) {
@@ -545,6 +618,7 @@ class Apps {
 
 	static public function app_update($arr) {
 
+		//logger('app_update: ' . print_r($arr,true));
 		$darray = array();
 		$ret = array('success' => false);
 
@@ -555,7 +629,7 @@ class Apps {
 		if((! $darray['app_url']) || (! $darray['app_channel']) || (! $darray['app_id']))
 			return $ret;
 
-		if($arr['photo'] && ! strstr($arr['photo'],z_root())) {
+		if($arr['photo'] && (strpos($arr['photo'],'icon:') !== 0) && (! strstr($arr['photo'],z_root()))) {
 			$x = import_xchan_photo($arr['photo'],get_observer_hash(),true);
 			$arr['photo'] = $x[1];
 		}
@@ -569,13 +643,14 @@ class Apps {
 		$darray['app_addr']     = ((x($arr,'addr')) ? escape_tags($arr['addr']) : '');
 		$darray['app_price']    = ((x($arr,'price')) ? escape_tags($arr['price']) : '');
 		$darray['app_page']     = ((x($arr,'page')) ? escape_tags($arr['page']) : '');
+		$darray['app_plugin']   = ((x($arr,'plugin')) ? escape_tags($arr['plugin']) : '');
 		$darray['app_requires'] = ((x($arr,'requires')) ? escape_tags($arr['requires']) : '');
 		$darray['app_system']   = ((x($arr,'system'))   ? intval($arr['system']) : 0);
 		$darray['app_deleted']  = ((x($arr,'deleted'))  ? intval($arr['deleted']) : 0);
 
 		$edited = datetime_convert();
 
-		$r = q("update app set app_sig = '%s', app_author = '%s', app_name = '%s', app_desc = '%s', app_url = '%s', app_photo = '%s', app_version = '%s', app_addr = '%s', app_price = '%s', app_page = '%s', app_requires = '%s', app_edited = '%s', app_system = %d, app_deleted = %d where app_id = '%s' and app_channel = %d",
+		$r = q("update app set app_sig = '%s', app_author = '%s', app_name = '%s', app_desc = '%s', app_url = '%s', app_photo = '%s', app_version = '%s', app_addr = '%s', app_price = '%s', app_page = '%s', app_requires = '%s', app_edited = '%s', app_system = %d, app_plugin = '%s', app_deleted = %d where app_id = '%s' and app_channel = %d",
 			dbesc($darray['app_sig']),
 			dbesc($darray['app_author']),
 			dbesc($darray['app_name']),
@@ -589,6 +664,7 @@ class Apps {
 			dbesc($darray['app_requires']),
 			dbesc($edited),
 			intval($darray['app_system']),
+			dbesc($darray['app_plugin']),
 			intval($darray['app_deleted']),
 			dbesc($darray['app_id']),
 			intval($darray['app_channel'])
@@ -655,6 +731,9 @@ class Apps {
 		if($app['app_photo'])
 			$ret['photo'] = $app['app_photo'];
 
+		if($app['app_icon'])
+			$ret['icon'] = $app['app_icon'];
+
 		if($app['app_version'])
 			$ret['version'] = $app['app_version'];
 
@@ -673,6 +752,9 @@ class Apps {
 		if($app['app_system'])
 			$ret['system'] = $app['app_system'];
 
+		if($app['app_plugin'])
+			$ret['plugin'] = $app['app_plugin'];
+
 		if($app['app_deleted'])
 			$ret['deleted'] = $app['app_deleted'];
 
@@ -690,6 +772,8 @@ class Apps {
 		if(! $embed)
 			return $ret;
 
+		$ret['embed'] = true;
+
 		if(array_key_exists('categories',$ret))
 			unset($ret['categories']);
 	
diff --git a/Zotlabs/Lib/NativeWiki.php b/Zotlabs/Lib/NativeWiki.php
new file mode 100644
index 000000000..7786ec25a
--- /dev/null
+++ b/Zotlabs/Lib/NativeWiki.php
@@ -0,0 +1,210 @@
+<?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) {
+				$w['rawName']  = get_iconfig($w, 'wiki', 'rawName');
+				$w['htmlName'] = escape_tags($w['rawName']);
+				$w['urlName']  = urlencode(urlencode($w['rawName']));
+				$w['mimeType'] = get_iconfig($w, 'wiki', 'mimeType');
+				$w['lock']     = (($w['item_private'] || $w['allow_cid'] || $w['allow_gid'] || $w['deny_cid'] || $w['deny_gid']) ? true : false);
+			}
+		}
+		// 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);
+		}
+	
+		$post = item_store($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' => $item_id, 'success' => true);
+		}
+		else {
+			return array('item' => null, 'success' => false);
+		}
+	}
+
+	static public function sync_a_wiki_item($uid,$id,$resource_id) {
+
+
+		$r = q("SELECT * from item WHERE uid = %d AND ( id = %d OR ( resource_type = '%s' and resource_id = %d )) ",
+			intval($uid),
+			intval($id),
+			dbesc(NWIKI_ITEM_RESOURCE_TYPE),
+			intval($resource_id)
+		);
+		if($r) {
+			xchan_query($r);
+			$sync_item = fetch_post_tags($r);
+			build_sync_packet($uid,array('wiki' => array(encode_item($sync_item[0],true))));
+		}
+	}
+
+	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');
+
+			return array(
+				'wiki' => $w,
+				'rawName' => $rawName,
+				'htmlName' => escape_tags($rawName),
+				'urlName' => urlencode(urlencode($rawName)),
+				'mimeType' => $mimeType
+			);
+		}
+	}
+
+
+	static public function exists_by_name($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' => $write, 'success' => true);
+		}
+	}
+}
diff --git a/Zotlabs/Lib/NativeWikiPage.php b/Zotlabs/Lib/NativeWikiPage.php
new file mode 100644
index 000000000..4086a023e
--- /dev/null
+++ b/Zotlabs/Lib/NativeWikiPage.php
@@ -0,0 +1,664 @@
+<?php
+
+namespace Zotlabs\Lib;
+
+use \Zotlabs\Lib as Zlib;
+
+class NativeWikiPage {
+
+	static public function page_list($channel_id,$observer_hash, $resource_id) {
+
+		// TODO: Create item table records for pages so that metadata like title can be applied
+		$w = Zlib\NativeWiki::get_wiki($channel_id,$observer_hash,$resource_id);
+
+		$pages[] = [
+			'resource_id' => '',
+			'title'       => 'Home',
+			'url'         => 'Home',
+			'link_id'     => 'id_wiki_home_0'
+		];
+
+		$sql_extra = item_permissions_sql($channel_id,$observer_hash);
+
+		$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and item_deleted = 0 
+			$sql_extra group by mid",
+			dbesc($resource_id),
+			intval($channel_id)
+		);
+		if($r) {
+			$items = fetch_post_tags($r,true);
+			foreach($items as $page_item) {
+				$title = get_iconfig($page_item['id'],'nwikipage','pagetitle',t('(No Title)'));
+				if(urldecode($title) !== 'Home') {
+					$pages[] = [
+						'resource_id' => $resource_id,
+						'title'       => escape_tags($title),
+						'url'         => urlencode(urlencode($title)),
+						'link_id'     => 'id_' . substr($resource_id, 0, 10) . '_' . $page_item['id']
+					];
+				}
+			}
+		}
+
+		return array('pages' => $pages, 'wiki' => $w);
+	}
+
+
+	static public function create_page($channel_id, $observer_hash, $name, $resource_id) {
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+
+		if (! $w['wiki']) {
+			return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		// create an empty activity
+
+		$arr = [];
+		$arr['uid']           = $channel_id;
+		$arr['author_xchan']  = $observer_hash;
+		$arr['resource_type'] = 'nwikipage';
+		$arr['resource_id']   = $resource_id;
+		$arr['allow_cid']     = $w['wiki']['allow_cid'];
+		$arr['allow_gid']     = $w['wiki']['allow_gid'];
+		$arr['deny_cid']      = $w['wiki']['deny_cid'];
+		$arr['deny_gid']      = $w['wiki']['deny_gid'];
+
+		$arr['public_policy'] = map_scope(\Zotlabs\Access\PermissionLimits::Get($channel_id,'view_wiki'),true);
+
+		// We may wish to change this some day.
+		$arr['item_unpublished'] = 1;
+
+		set_iconfig($arr,'nwikipage','pagetitle',(($name) ? $name : t('(No Title)')),true);
+
+		$p = post_activity_item($arr, false, false);
+
+		if($p['item_id']) {
+			$page = [ 
+				'rawName'  => $name,
+				'htmlName' => escape_tags($name),
+				'urlName'  => urlencode($name), 
+
+			];
+
+			return array('page' => $page, 'item_id' => $p['item_id'], 'item' => $p['activity'], 'wiki' => $w, 'message' => '', 'success' => true);
+		}
+		return [ 'success' => false, 'message' => t('Wiki page create failed.') ];
+	}
+
+	static public function rename_page($arr) {
+
+		$pageUrlName   = ((array_key_exists('pageUrlName',$arr))   ? $arr['pageUrlName']   : '');
+		$pageNewName   = ((array_key_exists('pageNewName',$arr))   ? $arr['pageNewName']   : '');
+		$resource_id   = ((array_key_exists('resource_id',$arr))   ? $arr['resource_id']   : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+		if(! $w['wiki']) {
+			return array('message' => t('Wiki not found.'), 'success' => false);
+		}
+
+
+		$ic = q("select * from iconfig left join item on iconfig.iid = item.id 
+			where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
+			intval($channel_id),
+			dbesc($pageNewName)
+		);
+
+		if($ic) {
+			return [ 'success' => false, 'message' => t('Destination name already exists') ];
+		}
+
+
+		$ids = [];
+
+		$ic = q("select *, item.id as item_id from iconfig left join item on iconfig.iid = item.id 
+			where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
+			intval($channel_id),
+			dbesc($pageUrlName)
+		);
+
+		if($ic) {
+			foreach($ic as $c) {
+				set_iconfig($c['item_id'],'nwikipage','pagetitle',$pageNewName);
+			}
+
+			$page = [ 
+				'rawName'  => $pageNewName, 
+				'htmlName' => escape_tags($pageNewName), 
+				'urlName'  => urlencode(escape_tags($pageNewName))
+			];
+
+			return [ 'success' => true, 'page' => $page ];
+		}
+
+		return [ 'success' => false, 'item_id' => $c['item_id'], 'message' => t('Page not found') ];
+	
+	}
+
+	static public function get_page_content($arr) {
+		$pageUrlName   = ((array_key_exists('pageUrlName',$arr))   ? $arr['pageUrlName']        : '');
+		$resource_id   = ((array_key_exists('resource_id',$arr))   ? $arr['resource_id']        : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash']      : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? intval($arr['channel_id']) : 0);
+		$revision      = ((array_key_exists('revision',$arr))      ? intval($arr['revision'])   : (-1));
+
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+		if (! $w['wiki']) {
+			return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		$item = self::load_page($arr);
+
+		if($item) {
+			$content = $item['body'];
+
+			return [ 
+				'content' => json_encode($content), 
+				'mimeType' => $w['mimeType'], 
+				'message' => '', 
+				'success' => true
+			];
+		}
+	
+		return array('content' => null, 'message' => t('Error reading page content'), 'success' => false);
+
+	}
+
+	static public function page_history($arr) {
+		$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
+		$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+		if (!$w['wiki']) {
+			return array('history' => null, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		$items = self::load_page_history($arr);
+
+		$history = [];
+
+		if($items) {
+			$processed = 0;
+			foreach($items as $item) {
+				if($processed > 1000)
+					break;
+				$processed ++;
+				$history[] = [ 
+					'revision' => $item['revision'],
+					'date' => datetime_convert('UTC',date_default_timezone_get(),$item['edited']),
+					'name' => $item['author']['xchan_name'],
+					'title' => get_iconfig($item,'nwikipage','commit_msg') 
+				];
+
+			}
+
+			return [ 'success' => true, 'history' => $history ];
+		}
+
+		return [ 'success' => false ];
+
+	}
+	
+
+	static public function load_page($arr) {
+
+		$pageUrlName   = ((array_key_exists('pageUrlName',$arr))   ? $arr['pageUrlName']     : '');
+		$resource_id   = ((array_key_exists('resource_id',$arr))   ? $arr['resource_id']     : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash']   : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']      : 0);
+		$revision      = ((array_key_exists('revision',$arr))      ? $arr['revision']        : (-1));
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+
+		if (! $w['wiki']) {
+			return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		$ids = '';
+
+		$ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
+			intval($channel_id),
+			dbesc($pageUrlName)
+		);
+
+		if($ic) {
+			foreach($ic as $c) {
+				if($ids)
+					$ids .= ',';
+				$ids .= intval($c['iid']);
+			}
+		}
+
+		$sql_extra = item_permissions_sql($channel_id,$observer_hash);
+
+		if($revision == (-1))
+			$sql_extra .= " order by revision desc ";
+		elseif($revision)
+			$sql_extra .= " and revision = " . intval($revision) . " ";
+
+		$r = null;
+
+
+		if($ids) {
+			$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) $sql_extra limit 1",
+				dbesc($resource_id),
+				intval($channel_id)
+			);
+
+			if($r) {
+				$items = fetch_post_tags($r,true);
+				return $items[0];
+			}
+		}
+
+		return null;
+	}
+
+	static public function load_page_history($arr) {
+
+		$pageUrlName   = ((array_key_exists('pageUrlName',$arr))   ? $arr['pageUrlName']     : '');
+		$resource_id   = ((array_key_exists('resource_id',$arr))   ? $arr['resource_id']     : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash']   : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']      : 0);
+		$revision      = ((array_key_exists('revision',$arr))      ? $arr['revision']        : (-1));
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+		if (! $w['wiki']) {
+			return array('content' => null, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		$ids = '';
+
+		$ic = q("select * from iconfig left join item on iconfig.iid = item.id where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
+			intval($channel_id),
+			dbesc($pageUrlName)
+		);
+	
+		if($ic) {
+			foreach($ic as $c) {
+				if($ids)
+					$ids .= ',';
+				$ids .= intval($c['iid']);
+			}
+		}
+
+		$sql_extra = item_permissions_sql($channel_id,$observer_hash);
+
+		$sql_extra .= " order by revision desc ";
+
+		$r = null;
+		if($ids) {
+			$r = q("select * from item where resource_type = 'nwikipage' and resource_id = '%s' and uid = %d and id in ( $ids ) and item_deleted = 0 $sql_extra",
+				dbesc($resource_id),
+				intval($channel_id)
+			);
+			if($r) {
+				xchan_query($r);
+				$items = fetch_post_tags($r,true);
+				return $items;
+			}
+		}
+
+		return null;
+	}
+
+
+
+	static public function prepare_content($s) {
+			
+		$text = preg_replace_callback('{
+					(?:\n\n|\A\n?)
+					(	            # $1 = the code block -- one or more lines, starting with a space/tab
+					  (?>
+						[ ]{'.'4'.'}  # Lines must start with a tab or a tab-width of spaces
+						.*\n+
+					  )+
+					)
+					((?=^[ ]{0,'.'4'.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
+				}xm',
+				'self::nwiki_prepare_content_callback', $s);
+	
+		return $text;
+	}
+	
+	static public function nwiki_prepare_content_callback($matches) {
+		$codeblock = $matches[1];
+	
+		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES, UTF8, false);
+		return "\n\n" . $codeblock ;
+	}
+	
+	
+	
+	static public function save_page($arr) {
+
+		$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
+		$content = ((array_key_exists('content',$arr)) ? purify_html(Zlib\NativeWikiPage::prepare_content($arr['content'])) : '');
+		$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+		$revision = ((array_key_exists('revision',$arr))    ? $arr['revision']    : 0);
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+
+		if (!$w['wiki']) {
+			return array('message' => t('Error reading wiki'), 'success' => false);
+		}
+	
+		// fetch the most recently saved revision. 
+
+		$item = self::load_page($arr);
+		if(! $item) {
+			return array('message' => t('Page not found'), 'success' => false);
+		}
+
+		// change just the fields we need to change to create a revision; 
+
+		unset($item['id']);
+		unset($item['author']);
+
+		$item['parent']       = 0;
+		$item['body']         = $content;
+		$item['author_xchan'] = $observer_hash;
+		$item['revision']     = (($arr['revision']) ? intval($arr['revision']) + 1 : intval($item['revision']) + 1);
+		$item['edited']       = datetime_convert();
+
+		if($item['iconfig'] && is_array($item['iconfig']) && count($item['iconfig'])) {
+			for($x = 0; $x < count($item['iconfig']); $x ++) {
+				unset($item['iconfig'][$x]['id']);
+				unset($item['iconfig'][$x]['iid']);
+			}
+		}
+
+		$ret = item_store($item, false, false);
+
+		if($ret['item_id'])
+			return array('message' => '', 'item_id' => $ret['item_id'], 'filename' => $filename, 'success' => true);
+		else
+			return array('message' => t('Page update failed.'), 'success' => false);
+	}	
+
+	static public function delete_page($arr) {
+		$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
+		$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+
+		if(! $w['wiki']) {
+			return [ 'success' => false, 'message' => t('Error reading wiki') ];
+		}
+
+		$ids = [];
+
+		$ic = q("select * from iconfig left join item on iconfig.iid = item.id 
+			where uid = %d and cat = 'nwikipage' and k = 'pagetitle' and v = '%s'",
+			intval($channel_id),
+			dbesc($pageUrlName)
+		);
+
+		if($ic) {
+			foreach($ic as $c) {
+				$ids[] = intval($c['iid']);
+			}
+		}
+
+		if($ids) {
+			drop_items($ids);
+			return [ 'success' => true ];
+		}
+
+		return [ 'success' => false, 'message' => t('Nothing deleted') ];	
+	}
+	
+	static public function revert_page($arr) {
+		$pageUrlName   = ((array_key_exists('pageUrlName',$arr))   ? $arr['pageUrlName']   : '');
+		$resource_id   = ((array_key_exists('resource_id',$arr))   ? $arr['resource_id']   : '');
+		$commitHash    = ((array_key_exists('commitHash',$arr))    ? $arr['commitHash']    : null);
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+
+		if (! $commitHash) {
+			return array('content' => $content, 'message' => 'No commit was provided', 'success' => false);
+		}
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+		if (!$w['wiki']) {
+			return array('content' => $content, 'message' => 'Error reading wiki', 'success' => false);
+		}
+
+		$x = $arr;
+
+		if(intval($commitHash) > 0) {
+			unset($x['commitHash']);
+			$x['revision'] = intval($commitHash) - 1;
+			$loaded = self::load_page($x);
+
+			if($loaded) {
+				$content = $loaded['body'];
+				return [ 'content' => $content, 'success' => true ];
+			}
+			return [ 'content' => $content, 'success' => false ]; 
+		}
+	}
+	
+	static public function compare_page($arr) {
+		$pageUrlName = ((array_key_exists('pageUrlName',$arr)) ? $arr['pageUrlName'] : '');
+		$resource_id = ((array_key_exists('resource_id',$arr)) ? $arr['resource_id'] : '');
+		$currentCommit = ((array_key_exists('currentCommit',$arr)) ? $arr['currentCommit'] : (-1));
+		$compareCommit = ((array_key_exists('compareCommit',$arr)) ? $arr['compareCommit'] : 0);
+		$observer_hash = ((array_key_exists('observer_hash',$arr)) ? $arr['observer_hash'] : '');
+		$channel_id    = ((array_key_exists('channel_id',$arr))    ? $arr['channel_id']    : 0);
+
+		$w = Zlib\NativeWiki::get_wiki($channel_id, $observer_hash, $resource_id);
+
+		if (!$w['wiki']) {
+			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;
+	}
+
+}
diff --git a/Zotlabs/Lib/Permcat.php b/Zotlabs/Lib/Permcat.php
new file mode 100644
index 000000000..505ee2cfc
--- /dev/null
+++ b/Zotlabs/Lib/Permcat.php
@@ -0,0 +1,146 @@
+<?php
+
+namespace Zotlabs\Lib;
+
+use \Zotlabs\Access as Zaccess;
+
+class Permcat {
+
+	private $permcats = [];
+
+	public function __construct($channel_id) {
+
+		$perms = [];
+
+		// first check role perms for a perms_connect setting
+
+		$role = get_pconfig($channel_id,'system','permissions_role');
+		if($role) {
+			$x = Zaccess\PermissionRoles::role_perms($role);
+			if($x['perms_connect']) {
+				$perms = Zaccess\Permissions::FilledPerms($x['perms_connect']);
+			}
+		}
+
+		// if no role perms it may be a custom role, see if there any autoperms
+
+		if(! $perms) {
+			$perms = Zaccess\Permissions::FilledAutoPerms($channel_id);
+		}
+
+		// if no autoperms it may be a custom role with manual perms
+
+		if(! $perms) {
+			$r = q("select channel_hash from channel where channel_id = %d",
+				intval($channel_id)
+			);
+			if($r) {
+				$x = q("select * from abconfig where chan = %d and xchan = '%s' and cat = 'my_perms'",
+					intval($channel_id),
+					dbesc($r[0]['channel_hash'])
+				);
+				if($x) {
+					foreach($x as $xv) {
+						$perms[$xv['k']] = intval($xv['v']);
+					}
+				}
+			}
+		}
+
+		// nothing was found - create a filled permission array where all permissions are 0
+
+		if(! $perms) {
+			$perms = Zaccess\Permissions::FilledPerms([]);
+		}
+
+		$this->permcats[] = [
+			'name'      => 'default',
+			'localname' => t('default','permcat'),
+			'perms'     => Zaccess\Permissions::Operms($perms),
+			'system'    => 1
+		];
+
+
+		$p = $this->load_permcats($channel_id);
+		if($p) {
+			for($x = 0; $x < count($p); $x++) {
+				$this->permcats[] = [
+					'name'      => $p[$x][0],
+					'localname' => $p[$x][1],
+					'perms'     => Zaccess\Permissions::Operms(Zaccess\Permissions::FilledPerms($p[$x][2])),
+					'system'    => intval($p[$x][3])
+				];
+			}
+		}
+	}
+
+
+	public function listing() {
+		return $this->permcats;
+	}
+
+	public function fetch($name) {
+		if($name && $this->permcats) {
+			foreach($this->permcats as $permcat) {
+				if(strcasecmp($permcat['name'],$name) === 0) {
+					return $permcat;
+				}
+			}
+		}
+		return ['error' => true];
+	}
+
+	public function load_permcats($uid) {
+
+		$permcats = [
+			[ 'follower', t('follower','permcat'),
+				[ 'view_stream','view_profile','view_contacts','view_storage','view_pages','view_wiki',
+				  'post_like' ], 1
+			],
+			[ 'contributor', t('contributor','permcat'),
+				[ 'view_stream','view_profile','view_contacts','view_storage','view_pages','view_wiki',
+				  'post_wall','post_comments','write_wiki','post_like','tag_deliver','chat' ], 1
+			],
+			[ 'publisher', t('publisher','permcat'),
+				[ 'view_stream','view_profile','view_contacts','view_storage','view_pages',
+				  'write_storage','post_wall','write_pages','write_wiki','post_comments','post_like','tag_deliver',
+				  'chat', 'republish' ], 1
+			]
+		];
+
+		if($uid) {
+			$x = q("select * from pconfig where uid = %d and cat = 'permcat'",
+				intval($uid)
+			);
+			if($x) {
+				foreach($x as $xv) {
+					$value = ((preg_match('|^a:[0-9]+:{.*}$|s', $xv['v'])) ? unserialize($xv['v']) : $xv['v']);
+					$permcats[] = [ $xv['k'], $xv['k'], $value, 0 ];
+				}
+			}
+		}					
+
+		call_hooks('permcats',$permcats);
+
+		return $permcats;
+
+	}
+
+	static public function find_permcat($arr,$name) {
+		if((! $arr) || (! $name))
+			return false;
+		foreach($arr as $p)
+			if($p['name'] == $name)
+				return $p['value'];
+	}
+
+	static public function update($channel_id, $name,$permarr) {
+		PConfig::Set($channel_id,'permcat',$name,$permarr);
+	}
+
+	static public function delete($channel_id,$name) {
+		PConfig::Delete($channel_id,'permcat',$name);
+	}
+
+
+}
\ No newline at end of file
diff --git a/Zotlabs/Lib/ThreadItem.php b/Zotlabs/Lib/ThreadItem.php
index a1666e148..07b782309 100644
--- a/Zotlabs/Lib/ThreadItem.php
+++ b/Zotlabs/Lib/ThreadItem.php
@@ -136,7 +136,7 @@ class ThreadItem {
 		$filer = ((($conv->get_profile_owner() == local_channel()) && (! array_key_exists('real_uid',$item))) ? t("Save to Folder") : false);
 
 		$profile_avatar = $item['author']['xchan_photo_m'];
-		$profile_link   = chanlink_url($item['author']['xchan_url']);
+		$profile_link   = chanlink_hash($item['author_xchan']);
 		$profile_name   = $item['author']['xchan_name'];
 
 		$location = format_location($item);
@@ -295,7 +295,7 @@ class ThreadItem {
 		$owner_address = substr($item['owner']['xchan_addr'],0,strpos($item['owner']['xchan_addr'],'@'));
 		$viewthread = $item['llink'];
 		if($conv->get_mode() === 'channel')
-			$viewthread = z_root() . '/channel/' . $owner_address . '?f=&mid=' . $item['mid'];
+			$viewthread = z_root() . '/channel/' . $owner_address . '?f=&mid=' . urlencode($item['mid']);
 
 		$comment_count_txt = sprintf( tt('%d comment','%d comments',$total_children),$total_children );
 		$list_unseen_txt = (($unseen_comments) ? sprintf('%d unseen',$unseen_comments) : '');
@@ -335,6 +335,8 @@ class ThreadItem {
 			'wall' => t('Wall-to-Wall'),
 			'vwall' => t('via Wall-To-Wall:'),
 			'profile_url' => $profile_link,
+			'thread_action_menu' => thread_action_menu($item,$conv->get_mode()),
+			'thread_author_menu' => thread_author_menu($item,$conv->get_mode()),
 			'item_photo_menu' => item_photo_menu($item),
 			'dreport' => $dreport,
 			'name' => $profile_name,
@@ -407,7 +409,7 @@ class ThreadItem {
 			'comment' => $this->get_comment_box($indent),
 			'previewing' => ($conv->is_preview() ? ' preview ' : ''),
 			'wait' => t('Please wait'),
-			'submid' => substr($item['mid'],0,32),
+			'submid' => str_replace(['+','='], ['',''], base64_encode(substr($item['mid'],0,32))),
 			'thread_level' => $thread_level
 		);
 
@@ -765,7 +767,7 @@ class ThreadItem {
 			return;
 		
 		if($this->is_toplevel() && ($this->get_data_value('author_xchan') != $this->get_data_value('owner_xchan'))) {
-			$this->owner_url = chanlink_url($this->data['owner']['xchan_url']);
+			$this->owner_url = chanlink_hash($this->data['owner']['xchan_hash']);
 			$this->owner_photo = $this->data['owner']['xchan_photo_m'];
 			$this->owner_name = $this->data['owner']['xchan_name'];
 			$this->wall_to_wall = true;