And some more removed notices in the core (#5465)

boot.php

@@ -1108,7 +1108,7 @@ function explode_querystring($query)
 function curPageURL()
 {
 	$pageURL = 'http';
-	if ($_SERVER["HTTPS"] == "on") {
+	if (!empty($_SERVER["HTTPS"]) && ($_SERVER["HTTPS"] == "on")) {
 		$pageURL .= "s";
 	}
 

mod/hovercard.php

@@ -65,6 +65,8 @@ function hovercard_content()
 	// Get the photo_menu - the menu if possible contact actions
 	if (local_user()) {
 		$actions = Contact::photoMenu($contact);
+	} else {
+		$actions = [];
 	}
 
 	// Move the contact data to the profile array so we can deliver it to

src/Protocol/DFRN.php

@@ -1218,9 +1218,16 @@ class DFRN
 
 		$res = XML::parseString($xml);
 
-		if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
+		if (!is_object($res) || (intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 			Contact::markForArchival($contact);
-			return ($res->status ? $res->status : 3);
+
+			if (empty($res->status)) {
+				$status = 3;
+			} else {
+				$status = $res->status;
+			}
+
+			return $status;
 		}
 
 		$postvars     = [];

src/Protocol/Diaspora.php

@@ -1040,48 +1040,28 @@ class Diaspora
 	 */
 	private static function contactByHandle($uid, $handle)
 	{
-		// First do a direct search on the contact table
-		$r = q(
-			"SELECT * FROM `contact` WHERE `uid` = %d AND `addr` = '%s' LIMIT 1",
-			intval($uid),
-			dbesc($handle)
-		);
-
-		if (DBM::is_result($r)) {
-			return $r[0];
-		} else {
-			/*
-			 * We haven't found it?
-			 * We use another function for it that will possibly create a contact entry.
-			 */
 		$cid = Contact::getIdForURL($handle, $uid);
-
+		if (!$cid) {
-			if ($cid > 0) {
-				/// @TODO Contact retrieval should be encapsulated into an "entity" class like `Contact`
-				$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($cid));
-
-				if (DBM::is_result($r)) {
-					return $r[0];
-				}
-			}
-		}
-
 			$handle_parts = explode("@", $handle);
 			$nurl_sql = "%%://" . $handle_parts[1] . "%%/profile/" . $handle_parts[0];
-		$r = q(
+			$cid = Contact::getIdForURL($nurl_sql, $uid);
-			"SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` LIKE '%s' LIMIT 1",
-			dbesc(NETWORK_DFRN),
-			intval($uid),
-			dbesc($nurl_sql)
-		);
-		if (DBM::is_result($r)) {
-			return $r[0];
 		}
 
-		logger("Haven't found contact for user ".$uid." and handle ".$handle, LOGGER_DEBUG);
+		if (!$cid) {
+			logger("Haven't found a contact for user " . $uid . " and handle " . $handle, LOGGER_DEBUG);
 			return false;
 		}
 
+		$contact = dba::selectFirst('contact', [], ['id' => $cid]);
+		if (!DBM::is_result($contact)) {
+			// This here shouldn't happen at all
+			logger("Haven't found a contact for user " . $uid . " and handle " . $handle, LOGGER_DEBUG);
+			return false;
+		}
+
+		return $contact;
+	}
+
 	/**
 	 * @brief Check if posting is allowed for this contact
 	 *
@@ -1147,7 +1127,9 @@ class Diaspora
 		if (!$contact) {
 			logger("A Contact for handle ".$handle." and user ".$importer["uid"]." was not found");
 			// If a contact isn't found, we accept it anyway if it is a comment
-			if ($is_comment) {
+			if ($is_comment && ($importer["uid"] != 0)) {
+				return self::contactByHandle(0, $handle);
+			} elseif ($is_comment) {
 				return $importer;
 			} else {
 				return false;
@@ -1268,6 +1250,11 @@ class Diaspora
 	private static function storeByGuid($guid, $server, $uid = 0)
 	{
 		$serverparts = parse_url($server);
+
+		if (empty($serverparts["host"]) || empty($serverparts["scheme"])) {
+			return false;
+		}
+
 		$server = $serverparts["scheme"]."://".$serverparts["host"];
 
 		logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);

src/Protocol/PortableContact.php

@@ -1229,19 +1229,25 @@ class PortableContact
 
 						$site_name = $data->site->name;
 
-						$data->site->closed = self::toBoolean($data->site->closed);
+						$private = false;
+						$inviteonly = false;
+						$closed = false;
+
+						if (!empty($data->site->closed)) {
+							$closed = self::toBoolean($data->site->closed);
+						}
 
 						if (!empty($data->site->private)) {
-							$data->site->private = self::toBoolean($data->site->private);
+							$private = self::toBoolean($data->site->private);
 						}
 
 						if (!empty($data->site->inviteonly)) {
-							$data->site->inviteonly = self::toBoolean($data->site->inviteonly);
+							$inviteonly = self::toBoolean($data->site->inviteonly);
 						}
 
-						if (!$data->site->closed && !$data->site->private and $data->site->inviteonly) {
+						if (!$closed && !$private and $inviteonly) {
 							$register_policy = REGISTER_APPROVE;
-						} elseif (!$data->site->closed && !$data->site->private) {
+						} elseif (!$closed && !$private) {
 							$register_policy = REGISTER_OPEN;
 						} else {
 							$register_policy = REGISTER_CLOSED;
@@ -1649,7 +1655,7 @@ class PortableContact
 		}
 		$last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
 
-		$r = q("SELECT `id`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
+		$r = q("SELECT `id`, `url`, `nurl`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
 		if (DBM::is_result($r)) {
 			foreach ($r as $server) {
 				if (!self::checkServer($server["url"], $server["network"])) {