fix php warnings

17 files changed, 101 insertions, 72 deletions

diff --git a/Zotlabs/Access/AccessList.php b/Zotlabs/Access/AccessList.php
index af6c4b7a6..790ef4745 100644
--- a/Zotlabs/Access/AccessList.php
+++ b/Zotlabs/Access/AccessList.php
@@ -139,6 +139,11 @@ class AccessList {
 	 * @param boolean $explicit (optional) default true
 	 */
 	function set_from_array($arr, $explicit = true) {
+		$arr['contact_allow'] = $arr['contact_allow'] ?? [];
+		$arr['group_allow'] = $arr['group_allow'] ?? [];
+		$arr['contact_deny'] = $arr['contact_deny'] ?? [];
+		$arr['group_deny'] = $arr['group_deny'] ?? [];
+
 		$this->allow_cid = perms2str((is_array($arr['contact_allow']))
 			? $arr['contact_allow'] : explode(',', $arr['contact_allow']));
 		$this->allow_gid = perms2str((is_array($arr['group_allow']))
diff --git a/Zotlabs/Daemon/Gprobe.php b/Zotlabs/Daemon/Gprobe.php
index 1124ead54..c12ae4631 100644
--- a/Zotlabs/Daemon/Gprobe.php
+++ b/Zotlabs/Daemon/Gprobe.php
@@ -32,17 +32,20 @@ class Gprobe {
 		}
 
 		if (!$r) {
+
+
+
 			if ($is_webbie) {
 				$url = Webfinger::zot_url(punify($url));
 			}
 
 			if ($url) {
 				$zf = Zotfinger::exec($url, null);
+				if (is_array($zf) && array_path_exists('signature/signer', $zf) && $zf['signature']['signer'] === $href && intval($zf['signature']['header_valid'])) {
+					Libzot::import_xchan($zf['data']);
+				}
 			}
 
-			if (is_array($zf) && array_path_exists('signature/signer', $zf) && $zf['signature']['signer'] === $href && intval($zf['signature']['header_valid'])) {
-				Libzot::import_xchan($zf['data']);
-			}
 		}
 
 		return;
diff --git a/Zotlabs/Lib/Activity.php b/Zotlabs/Lib/Activity.php
index 8afdb723a..26aef8104 100644
--- a/Zotlabs/Lib/Activity.php
+++ b/Zotlabs/Lib/Activity.php
@@ -415,7 +415,7 @@ class Activity {
 			$objtype = self::activity_obj_mapper($i['obj_type']);
 		}
 
-		if ($i['obj']) {
+		if (isset($i['obj']) && $i['obj']) {
 			$ret = Activity::encode_object($i['obj']);
 		}
 
@@ -430,7 +430,7 @@ class Activity {
 			return $ret;
 		}
 
-		if ($i['obj']) {
+		if (isset($i['obj']) && $i['obj']) {
 			if (is_array($i['obj'])) {
 				$ret = $i['obj'];
 			}
@@ -851,7 +851,7 @@ class Activity {
 		else
 			return [];
 
-		if ($i['obj']) {
+		if (isset($i['obj']) && $i['obj']) {
 			if (!is_array($i['obj'])) {
 				$i['obj'] = json_decode($i['obj'], true);
 			}
@@ -879,7 +879,7 @@ class Activity {
 			$ret['type'] = 'Invite';
 		}
 
-		if ($i['target']) {
+		if (isset($i['target']) && $i['target']) {
 			if (!is_array($i['target'])) {
 				$i['target'] = json_decode($i['target'], true);
 			}
diff --git a/Zotlabs/Lib/Libzot.php b/Zotlabs/Lib/Libzot.php
index 5c55b0ba9..7abbab00b 100644
--- a/Zotlabs/Lib/Libzot.php
+++ b/Zotlabs/Lib/Libzot.php
@@ -668,7 +668,7 @@ class Libzot {
 		$verified    = false;
 
 		if (!self::verify($arr['id'], $arr['id_sig'], $arr['public_key'])) {
-			logger('Unable to verify channel signature for ' . $arr['address']);
+			logger('Unable to verify channel signature for ' . $arr['primary_location']['address']);
 			return $ret;
 		}
 		else {
@@ -914,7 +914,7 @@ class Libzot {
 
 		// Which entries in the update table are we interested in updating?
 
-		$address = (($ud_arr && $ud_arr['ud_addr']) ? $ud_arr['ud_addr'] : $arr['address']);
+		$address = (($ud_arr && $ud_arr['ud_addr']) ? $ud_arr['ud_addr'] : $arr['primary_location']['address']);
 
 
 		// Are we a directory server of some kind?
@@ -1298,7 +1298,7 @@ class Libzot {
 					}
 				}
 
-				if ($AS->meta['hubloc']) {
+				if (isset($AS->meta['hubloc']) && $AS->meta['hubloc']) {
 					$arr['item_verified'] = true;
 				}
 
@@ -1306,7 +1306,7 @@ class Libzot {
 					$arr['comment_policy'] = 'authenticated';
 				}
 
-				if ($AS->meta['signed_data']) {
+				if (isset($AS->meta['signed_data']) && $AS->meta['signed_data']) {
 					IConfig::Set($arr, 'activitypub', 'signed_data', $AS->meta['signed_data'], false);
 				}
 
@@ -1516,6 +1516,7 @@ class Libzot {
 		foreach ($deliveries as $d) {
 
 			$local_public = $public;
+			$item_result = null;
 
 			$DR = new DReport(z_root(), $sender, $d, $arr['mid']);
 
diff --git a/Zotlabs/Lib/Libzotdir.php b/Zotlabs/Lib/Libzotdir.php
index 4f35a1b80..db8992fc4 100644
--- a/Zotlabs/Lib/Libzotdir.php
+++ b/Zotlabs/Lib/Libzotdir.php
@@ -145,8 +145,8 @@ class Libzotdir {
 		if(! $directory_sort_order)
 			$directory_sort_order = 'date';
 
-		$current_order = (($_REQUEST['order']) ? $_REQUEST['order'] : $directory_sort_order);
-		$suggest = (($_REQUEST['suggest']) ? '&suggest=' . $_REQUEST['suggest'] : '');
+		$current_order = $_REQUEST['order'] ?? $directory_sort_order;
+		$suggest = ((isset($_REQUEST['suggest'])) ? '&suggest=' . $_REQUEST['suggest'] : '');
 
 		$url = 'directory?f=';
 
diff --git a/Zotlabs/Module/Acl.php b/Zotlabs/Module/Acl.php
index 9dc422e6b..f8c6232c5 100644
--- a/Zotlabs/Module/Acl.php
+++ b/Zotlabs/Module/Acl.php
@@ -284,7 +284,7 @@ class Acl extends \Zotlabs\Web\Controller {
 		}
 		elseif($type == 'm') {
 			$r = array();
-			$z = q("SELECT xchan_hash as hash, xchan_name as name, xchan_network as net, xchan_addr as nick, xchan_photo_s as micro, xchan_url as url
+			$z = q("SELECT abook_id as id, xchan_hash as hash, xchan_name as name, xchan_network as net, xchan_addr as nick, xchan_photo_s as micro, xchan_url as url, abook_self
 				FROM abook left join xchan on abook_xchan = xchan_hash
 				WHERE abook_channel = %d
 				and xchan_deleted = 0
diff --git a/Zotlabs/Module/Directory.php b/Zotlabs/Module/Directory.php
index da37c582f..c543503e4 100644
--- a/Zotlabs/Module/Directory.php
+++ b/Zotlabs/Module/Directory.php
@@ -83,7 +83,7 @@ class Directory extends Controller {
 		$globaldir = Libzotdir::get_directory_setting($observer, 'globaldir');
 
 		// override your personal global search pref if we're doing a navbar search of the directory
-		if(intval($_REQUEST['navsearch']))
+		if(isset($_REQUEST['navsearch']) && intval($_REQUEST['navsearch']))
 			$globaldir = 1;
 
 		$safe_mode = Libzotdir::get_directory_setting($observer, 'safemode');
@@ -98,15 +98,18 @@ class Directory extends Controller {
 		else
 			$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
 
-
+		$advanced = '';
 		if(strpos($search,'=') && local_channel() && feature_enabled(local_channel(), 'advanced_dirsearch'))
 			$advanced = $search;
 
-		$keywords = (($_GET['keywords']) ? $_GET['keywords'] : '');
+		$keywords = $_GET['keywords'] ?? '';
 
 		// Suggest channels if no search terms or keywords are given
 		$suggest = (local_channel() && x($_REQUEST,'suggest')) ? $_REQUEST['suggest'] : '';
 
+		$addresses = [];
+		$common = [];
+
 		if($suggest) {
 
 			// the directory options have no effect in suggestion mode
@@ -123,8 +126,7 @@ class Directory extends Controller {
 			}
 
 			// Remember in which order the suggestions were
-			$addresses = array();
-			$common = array();
+
 			$index = 0;
 			foreach($r as $rr) {
 				$common[$rr['xchan_addr']] = ((intval($rr['total']) > 0) ? intval($rr['total']) - 1 : 0);
@@ -132,7 +134,7 @@ class Directory extends Controller {
 			}
 
 			// Build query to get info about suggested people
-			$advanced = '';
+
 			foreach(array_keys($addresses) as $address) {
 				$advanced .= "address=\"$address\" ";
 			}
@@ -147,6 +149,8 @@ class Directory extends Controller {
 
 		$directory_admin = false;
 
+		$url = '';
+
 		if(($dirmode == DIRECTORY_MODE_PRIMARY) || ($dirmode == DIRECTORY_MODE_STANDALONE)) {
 			$url = z_root() . '/dirsearch';
 			if (is_site_admin()) {
@@ -275,19 +279,12 @@ class Directory extends Controller {
 
 							$page_type = '';
 
-							$rating_enabled = get_config('system','rating_enabled');
-
-							if($rr['total_ratings'] && $rating_enabled)
-								$total_ratings = sprintf( tt("%d rating", "%d ratings", $rr['total_ratings']), $rr['total_ratings']);
-							else
-								$total_ratings = '';
-
 							$profile = $rr;
 
-							if ((x($profile,'locale') == 1)
-								|| (x($profile,'region') == 1)
-								|| (x($profile,'postcode') == 1)
-								|| (x($profile,'country') == 1))
+					//		if ((x($profile,'locale') == 1)
+					//			|| (x($profile,'region') == 1)
+					//			|| (x($profile,'postcode') == 1)
+					//			|| (x($profile,'country') == 1))
 
 							$gender = ((x($profile,'gender') == 1) ? t('Gender: ') . $profile['gender']: False);
 
@@ -352,9 +349,6 @@ class Directory extends Controller {
 								'location' => $location,
 								'location_label' => t('Location:'),
 								'gender'   => $gender,
-								'total_ratings' => $total_ratings,
-								'viewrate' => true,
-								'canrate' => (($rating_enabled && local_channel()) ? true : false),
 								'pdesc'	=> $pdesc,
 								'pdesc_label' => t('Description:'),
 								'censor' => (($directory_admin) ? 'dircensor/' . $rr['hash'] : ''),
@@ -374,9 +368,9 @@ class Directory extends Controller {
 								'keywords' => $out,
 								'ignlink' => $suggest ? z_root() . '/directory?ignore=' . $rr['hash'] : '',
 								'ignore_label' => t('Don\'t suggest'),
-								'common_friends' => (($common[$rr['address']]) ? intval($common[$rr['address']]) : ''),
+								'common_friends' => $common[$rr['address']] ?? '',
 								'common_label' => t('Common connections (estimated):'),
-								'common_count' => intval($common[$rr['address']]),
+								'common_count' => $common[$rr['address']] ?? '',
 								'safe' => $safe_mode
 							);
 
@@ -408,8 +402,9 @@ class Directory extends Controller {
 
 						logger('mod_directory: entries: ' . print_r($entries,true), LOGGER_DATA);
 
+						$aj = $_REQUEST['aj'] ?? '';
 
-						if($_REQUEST['aj']) {
+						if($aj) {
 							if($entries) {
 								$o = replace_macros(get_markup_template('directajax.tpl'),array(
 									'$entries' => $entries
diff --git a/Zotlabs/Module/File_upload.php b/Zotlabs/Module/File_upload.php
index d4c9ad59a..39a30cb1a 100644
--- a/Zotlabs/Module/File_upload.php
+++ b/Zotlabs/Module/File_upload.php
@@ -30,12 +30,12 @@ class File_upload extends \Zotlabs\Web\Controller {
 			$_REQUEST['group_deny']    = expand_acl($channel['channel_deny_gid']);
 		}
 
-		$_REQUEST['allow_cid'] = perms2str($_REQUEST['contact_allow']);
-		$_REQUEST['allow_gid'] = perms2str($_REQUEST['group_allow']);
-		$_REQUEST['deny_cid']  = perms2str($_REQUEST['contact_deny']);
-		$_REQUEST['deny_gid']  = perms2str($_REQUEST['group_deny']);
+		$_REQUEST['allow_cid'] = ((isset($_REQUEST['contact_allow'])) ? perms2str($_REQUEST['contact_allow']) : '');
+		$_REQUEST['allow_gid'] = ((isset($_REQUEST['group_allow'])) ? perms2str($_REQUEST['group_allow']) : '');
+		$_REQUEST['deny_cid']  = ((isset($_REQUEST['contact_deny'])) ? perms2str($_REQUEST['contact_deny']) : '');
+		$_REQUEST['deny_gid']  = ((isset($_REQUEST['group_deny'])) ? perms2str($_REQUEST['group_deny']) : '');
 
-		if($_REQUEST['filename']) {
+		if(isset($_REQUEST['filename']) && $_REQUEST['filename']) {
 			$r = attach_mkdir($channel, get_observer_hash(), $_REQUEST);
 			if($r['success']) {
 				$hash = $r['data']['hash'];
diff --git a/Zotlabs/Module/Item.php b/Zotlabs/Module/Item.php
index 588391843..3104ce9fb 100644
--- a/Zotlabs/Module/Item.php
+++ b/Zotlabs/Module/Item.php
@@ -312,6 +312,21 @@ class Item extends Controller {
 		$observer = null;
 		$datarray = [];
 
+		$item_starred = false;
+		$item_uplink = false;
+		$item_notshown = false;
+		$item_nsfw = false;
+		$item_relay = false;
+		$item_mentionsme = false;
+		$item_verified = false;
+		$item_retained = false;
+		$item_rss = false;
+		$item_deleted = false;
+		$item_hidden = false;
+		$item_unpublished = false;
+		$item_delayed = false;
+		$item_pending_remove = false;
+		$item_blocked = false;
 
 		/**
 		 * Is this a reply to something?
@@ -319,7 +334,7 @@ class Item extends Controller {
 
 		$parent     = ((x($_REQUEST, 'parent')) ? intval($_REQUEST['parent']) : 0);
 		$parent_mid = ((x($_REQUEST, 'parent_mid')) ? trim($_REQUEST['parent_mid']) : '');
-		$mode       = (($_REQUEST['conv_mode'] === 'channel') ? 'channel' : 'network');
+		$mode       = ((isset($_REQUEST['conv_mode']) && $_REQUEST['conv_mode'] === 'channel') ? 'channel' : 'network');
 
 		$remote_xchan = ((x($_REQUEST, 'remote_xchan')) ? trim($_REQUEST['remote_xchan']) : false);
 		$r            = q("select * from xchan where xchan_hash = '%s' limit 1",
@@ -355,10 +370,10 @@ class Item extends Controller {
 
 		$api_source = ((x($_REQUEST, 'api_source') && $_REQUEST['api_source']) ? true : false);
 
-		$consensus = intval($_REQUEST['consensus']);
-		$nocomment = intval($_REQUEST['nocomment']);
+		$consensus = $_REQUEST['consensus'] ?? 0;
+		$nocomment = $_REQUEST['nocomment'] ?? 0;
 
-		$is_poll = ((trim((string)$_REQUEST['poll_answers'][0]) != '' && trim((string)$_REQUEST['poll_answers'][1]) != '') ? true : false);
+		$is_poll = ((isset($_REQUEST['poll_answers'][0]) && $_REQUEST['poll_answers'][0]) && (isset($_REQUEST['poll_answers'][1]) && $_REQUEST['poll_answers'][1]));
 
 		// 'origin' (if non-zero) indicates that this network is where the message originated,
 		// for the purpose of relaying comments to other conversation members.
@@ -720,18 +735,18 @@ class Item extends Controller {
 			}
 
 
-			$location = notags(trim((string)$_REQUEST['location']));
-			$coord    = notags(trim((string)$_REQUEST['coord']));
-			$verb     = notags(trim((string)$_REQUEST['verb']));
-			$title    = escape_tags(trim((string)$_REQUEST['title']));
-			$summary  = trim((string)$_REQUEST['summary']);
-			$body     = trim((string)$_REQUEST['body']);
-			$body     .= trim((string)$_REQUEST['attachment']);
+			$location = ((isset($_REQUEST['location'])) ? notags(trim($_REQUEST['location'])) : '');
+			$coord    = ((isset($_REQUEST['coord'])) ? notags(trim($_REQUEST['coord'])) : '');
+			$verb     = ((isset($_REQUEST['verb'])) ? notags(trim($_REQUEST['verb'])) : '');
+			$title    = ((isset($_REQUEST['title'])) ? escape_tags(trim($_REQUEST['title'])) : '');
+			$summary  = ((isset($_REQUEST['summary'])) ? trim($_REQUEST['summary']) : '');
+			$body     = ((isset($_REQUEST['body'])) ? trim($_REQUEST['body']) : '');
+			$body     .= ((isset($_REQUEST['attachment'])) ? trim($_REQUEST['attachment']) : '');
 			$postopts = '';
 
 			$allow_empty = ((array_key_exists('allow_empty', $_REQUEST)) ? intval($_REQUEST['allow_empty']) : 0);
 
-			$private = (($private) ? $private : intval($acl->is_private() || ($public_policy)));
+			$private = ((isset($private) && $private) ? $private : intval($acl->is_private() || ($public_policy)));
 
 			// If this is a comment, set the permissions from the parent.
 
@@ -767,7 +782,8 @@ class Item extends Controller {
 		}
 
 
-		$mimetype = notags(trim((string)$_REQUEST['mimetype']));
+		$mimetype = ((isset($_REQUEST['mimetype'])) ? notags(trim($_REQUEST['mimetype'])) : '');
+
 		if (!$mimetype)
 			$mimetype = 'text/bbcode';
 
@@ -957,7 +973,7 @@ class Item extends Controller {
 
 
 		$item_unseen    = ((local_channel() != $profile_uid) ? 1 : 0);
-		$item_wall      = (($_REQUEST['type'] === 'wall' || $_REQUEST['type'] === 'wall-comment') ? 1 : 0);
+		$item_wall      = ((isset($_REQUEST['type']) && ($_REQUEST['type'] === 'wall' || $_REQUEST['type'] === 'wall-comment')) ? 1 : 0);
 		$item_origin    = (($origin) ? 1 : 0);
 		$item_consensus = (($consensus) ? 1 : 0);
 		$item_nocomment = (($nocomment) ? 1 : 0);
@@ -986,9 +1002,7 @@ class Item extends Controller {
 
 		$uuid = (($message_id) ? $message_id : item_message_id());
 
-		if (!$mid) {
-			$mid  = z_root() . '/item/' . $uuid;
-		}
+		$mid  = $mid ?? z_root() . '/item/' . $uuid;
 
 
 		if ($is_poll) {
@@ -1045,7 +1059,7 @@ class Item extends Controller {
 			$plink = $mid;
 		}
 
-		if ($datarray['obj']) {
+		if (isset($datarray['obj']) && $datarray['obj']) {
 			$datarray['obj']['id'] = $mid;
 		}
 
@@ -1285,7 +1299,7 @@ class Item extends Controller {
 			// This way we don't see every picture in your new photo album posted to your wall at once.
 			// They will show up as people comment on them.
 
-			if (intval($parent_item['item_hidden'])) {
+			if ($parent_item && intval($parent_item['item_hidden'])) {
 				$r = q("UPDATE item SET item_hidden = 0 WHERE id = %d",
 					intval($parent_item['id'])
 				);
@@ -1437,7 +1451,11 @@ class Item extends Controller {
 				if ($complex) {
 					tag_deliver($i[0]['uid'], $i[0]['id']);
 				}
+
 			}
+
+			killme();
+
 		}
 	}
 
diff --git a/Zotlabs/Module/Lockview.php b/Zotlabs/Module/Lockview.php
index 3637482c7..bac3a7eb9 100644
--- a/Zotlabs/Module/Lockview.php
+++ b/Zotlabs/Module/Lockview.php
@@ -101,7 +101,7 @@ class Lockview extends Controller {
 			killme();
 		}
 
-		if (intval($item['item_private']) && (!strlen($item['allow_cid'])) && (!strlen($item['allow_gid']))
+		if ((isset($item['item_private']) && intval($item['item_private'])) && (!strlen($item['allow_cid'])) && (!strlen($item['allow_gid']))
 			&& (!strlen($item['deny_cid'])) && (!strlen($item['deny_gid']))) {
 
 			// if the post is private, but public_policy is blank ("visible to the internet"), and there aren't any
diff --git a/Zotlabs/Module/Owa.php b/Zotlabs/Module/Owa.php
index 0922eb5d4..3400defd7 100644
--- a/Zotlabs/Module/Owa.php
+++ b/Zotlabs/Module/Owa.php
@@ -32,14 +32,14 @@ class Owa extends Controller {
 				$keyId = $sigblock['keyId'];
 				if ($keyId) {
 					$r = q("SELECT * FROM hubloc LEFT JOIN xchan ON hubloc_hash = xchan_hash
-						WHERE hubloc_id_url = '%s' AND hubloc_deleted = 0 ORDER BY hubloc_id DESC",
+						WHERE hubloc_id_url = '%s' AND hubloc_deleted = 0 AND xchan_pubkey != '' ORDER BY hubloc_id DESC",
 						dbesc($keyId)
 					);
 					if (! $r) {
 						$found = discover_by_webbie($keyId);
 						if ($found) {
 							$r = q("SELECT * FROM hubloc LEFT JOIN xchan ON hubloc_hash = xchan_hash
-								WHERE hubloc_id_url = '%s' AND hubloc_deleted = 0 ORDER BY hubloc_id DESC ",
+								WHERE hubloc_id_url = '%s' AND hubloc_deleted = 0 AND xchan_pubkey != '' ORDER BY hubloc_id DESC ",
 								dbesc($keyId)
 							);
 						}
diff --git a/Zotlabs/Storage/Browser.php b/Zotlabs/Storage/Browser.php
index fdef35210..923906371 100644
--- a/Zotlabs/Storage/Browser.php
+++ b/Zotlabs/Storage/Browser.php
@@ -262,7 +262,7 @@ class Browser extends DAV\Browser\Plugin {
 
 			// put the array for this file together
 			$ft['attach_id'] = $id;
-			$ft['icon'] = $icon;
+			// $ft['icon'] = $icon;
 			$ft['photo_icon'] = $photo_icon;
 			$ft['is_creator'] = $is_creator;
 			$ft['rel_path'] = (($data) ? '/cloud/' . $nick .'/' . $data['display_path'] : $href);
@@ -454,6 +454,9 @@ class Browser extends DAV\Browser\Plugin {
 		$lockstate = '';
 		$limit = 0;
 
+		$cat = $_REQUEST['cat'] ?? '';
+		$cloud_tiles = $_SESSION['cloud_tiles'] ?? 0;
+
 		if($this->auth->owner_id) {
 			$channel = channelx_by_n($this->auth->owner_id);
 			if($channel) {
@@ -507,7 +510,7 @@ class Browser extends DAV\Browser\Plugin {
 
 		$breadcrumbs_html = '';
 
-		if($display_path && ! $_REQUEST['cat'] && ! $_SESSION['cloud_tiles']){
+		if ($display_path && !$cat && !$cloud_tiles) {
 			$breadcrumbs = [];
 			$folders = explode('/', $display_path);
 			$folder_hashes = explode('/', $node->os_path);
diff --git a/Zotlabs/Storage/Directory.php b/Zotlabs/Storage/Directory.php
index c56ffcbbb..87ca220d6 100644
--- a/Zotlabs/Storage/Directory.php
+++ b/Zotlabs/Storage/Directory.php
@@ -617,7 +617,7 @@ class Directory extends DAV\Node implements DAV\ICollection, DAV\IQuota, DAV\IMo
 		$file = trim($file, '/');
 		$path_arr = explode('/', $file);
 
-		$cat = $_REQUEST['cat'];
+		$cat = $_REQUEST['cat'] ?? '';
 
 
 		if (! $path_arr)
diff --git a/Zotlabs/Storage/File.php b/Zotlabs/Storage/File.php
index 76295d922..dc60a72ae 100644
--- a/Zotlabs/Storage/File.php
+++ b/Zotlabs/Storage/File.php
@@ -38,6 +38,7 @@ class File extends DAV\Node implements DAV\IFile {
 	 */
 	private $name;
 
+
 	/**
 	 * Sets up the node, expects a full path name.
 	 *
@@ -49,7 +50,8 @@ class File extends DAV\Node implements DAV\IFile {
 		$this->name = $name;
 		$this->data = $data;
 		$this->auth = $auth;
-
+		$this->os_path = null;
+		$this->folder_hash = null;
 		// logger(print_r($this->data, true), LOGGER_DATA);
 	}
 
diff --git a/Zotlabs/Web/HTTPSig.php b/Zotlabs/Web/HTTPSig.php
index 35b8054e6..c831acda4 100644
--- a/Zotlabs/Web/HTTPSig.php
+++ b/Zotlabs/Web/HTTPSig.php
@@ -303,7 +303,7 @@ class HTTPSig {
 
 		// $force is used to ignore the local cache and only use the remote data; for instance the cached key might be stale
 		if (!$force) {
-			$x = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where (hubloc_id_url = '%s' or hubloc_hash = '%s') and hubloc_network in ('zot6', 'activitypub') order by hubloc_id desc",
+			$x = q("select * from xchan join hubloc on xchan_hash = hubloc_hash where (hubloc_id_url = '%s' or hubloc_hash = '%s') and hubloc_network in ('zot6', 'activitypub') order by hubloc_id desc",
 				dbesc($url),
 				dbesc($url)
 			);
@@ -378,7 +378,7 @@ class HTTPSig {
 		$best = [];
 
 		if (!$force) {
-			$x = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_id_url = '%s' and hubloc_network in ('zot6', 'activitypub') order by hubloc_id desc",
+			$x = q("select * from xchan join hubloc on xchan_hash = hubloc_hash where hubloc_id_url = '%s' and hubloc_network in ('zot6', 'activitypub') order by hubloc_id desc",
 				dbesc($id)
 			);
 
@@ -427,7 +427,7 @@ class HTTPSig {
 		$best = [];
 
 		if (!$force) {
-			$x = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_id_url = '%s' and hubloc_network = 'zot6' order by hubloc_id desc",
+			$x = q("select * from xchan join hubloc on xchan_hash = hubloc_hash where hubloc_id_url = '%s' and hubloc_network = 'zot6' order by hubloc_id desc",
 				dbesc($id)
 			);
 
diff --git a/Zotlabs/Web/Session.php b/Zotlabs/Web/Session.php
index 443a02d20..14c054d20 100644
--- a/Zotlabs/Web/Session.php
+++ b/Zotlabs/Web/Session.php
@@ -203,7 +203,7 @@ class Session {
 		// first check if we're enforcing that sessions can't change IP address
 		// @todo what to do with IPv6 addresses
 
-		if($_SESSION['addr'] && $_SESSION['addr'] != $_SERVER['REMOTE_ADDR']) {
+		if(isset($_SESSION['addr']) && $_SESSION['addr'] != $_SERVER['REMOTE_ADDR']) {
 			logger('SECURITY: Session IP address changed: ' . $_SESSION['addr'] . ' != ' . $_SERVER['REMOTE_ADDR']);
 
 			$partial1 = substr($_SESSION['addr'], 0, strrpos($_SESSION['addr'], '.'));
diff --git a/Zotlabs/Widget/Messages.php b/Zotlabs/Widget/Messages.php
index c92b9e311..267467bb0 100644
--- a/Zotlabs/Widget/Messages.php
+++ b/Zotlabs/Widget/Messages.php
@@ -198,6 +198,8 @@ class Messages {
 			}
 		}
 
+		$recipients = '';
+
 		if(is_array($recips)) {
 			stringify_array_elms($recips, true);