obsolete ip_address field in ttrss_sessions

functions.php

@@ -873,7 +873,7 @@
 	}
 
 	function validate_session($link) {
-		if (SESSION_CHECK_ADDRESS && !DATABASE_BACKED_SESSIONS && $_SESSION["uid"]) {
+		if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
 			if ($_SESSION["ip_address"]) {
 				if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
 					return false;

schema/ttrss_schema_mysql.sql

@@ -263,7 +263,6 @@ create table ttrss_scheduled_updates (id integer not null primary key auto_incre
 create table ttrss_sessions (id varchar(250) unique not null primary key,
 	data text,
 	expire integer not null,
-	ip_address varchar(15) not null default '',
 	index (id), 
 	index (expire)) TYPE=InnoDB;
 

schema/ttrss_schema_pgsql.sql

@@ -239,8 +239,7 @@ create table ttrss_scheduled_updates (id serial not null primary key,
 
 create table ttrss_sessions (id varchar(250) unique not null primary key,
 	data text,	
-	expire integer not null,
-	ip_address varchar(15) not null default '');
+	expire integer not null);
 
 create index ttrss_sessions_expire_index on ttrss_sessions(expire);
 

sessions.php

@@ -23,12 +23,6 @@
 	
 		global $session_connection,$session_read;					 
 
-		$ip_address = $_SERVER["REMOTE_ADDR"];
-
-		if (SESSION_CHECK_ADDRESS) {
-			$address_check_qpart = " AND ip_address = '$ip_address'";
-		}
-
 		$query = "SELECT data FROM ttrss_sessions WHERE id='$id' $address_check_qpart";
 
 		$res = db_query($session_connection, $query);
@@ -54,18 +48,12 @@
 		
 		$data = db_escape_string(base64_encode($data), $session_connection);
 		
-		$ip_address = $_SERVER["REMOTE_ADDR"];
-
-		if (SESSION_CHECK_ADDRESS) {
-			$address_check_qpart = " AND ip_address = '$ip_address'";
-		}
-		
 		if ($session_read) {
 		 	$query = "UPDATE ttrss_sessions SET data='$data', 
 					expire='$expire' WHERE id='$id' $address_check_qpart"; 
 		} else {
-		 	$query = "INSERT INTO ttrss_sessions (id, data, expire, ip_address)
-					VALUES ('$id', '$data', '$expire', '$ip_address')";
+		 	$query = "INSERT INTO ttrss_sessions (id, data, expire)
+					VALUES ('$id', '$data', '$expire')";
 		}
 		
 		db_query($session_connection, $query);
@@ -85,12 +73,6 @@
 	
 		global $session_connection;
 
-		$ip_address = $_SERVER["REMOTE_ADDR"];
-
-		if (SESSION_CHECK_ADDRESS) {
-			$address_check_qpart = " AND ip_address = '$ip_address'";
-		}
-
 		$query = "DELETE FROM ttrss_sessions WHERE id = '$id' $address_check_qpart";
 		
 		db_query($session_connection, $query);