Logout: Prevent SQL error on logout if already logged out in a different window/tab.

This commit is contained in:
Nate Jones 2015-04-12 19:48:29 +00:00
parent deaaf0c4eb
commit 47055cc9c3
1 changed files with 68 additions and 66 deletions

View File

@ -28,78 +28,80 @@ include "root.php";
require_once "resources/require.php"; require_once "resources/require.php";
//check for login return preference //check for login return preference
if ($_SESSION['login']['destination_last']['boolean'] == 'true') { if ($_SESSION["user_uuid"] != '') {
if ($_SERVER['HTTP_REFERER'] != '') { if ($_SESSION['login']['destination_last']['boolean'] == 'true') {
//convert to relative path if ($_SERVER['HTTP_REFERER'] != '') {
$referrer = substr($_SERVER['HTTP_REFERER'], strpos($_SERVER['HTTP_REFERER'], $_SERVER["HTTP_HOST"]) + strlen($_SERVER["HTTP_HOST"])); //convert to relative path
//check if destination url already exists $referrer = substr($_SERVER['HTTP_REFERER'], strpos($_SERVER['HTTP_REFERER'], $_SERVER["HTTP_HOST"]) + strlen($_SERVER["HTTP_HOST"]));
$sql = "select count(*) as num_rows from v_user_settings "; //check if destination url already exists
$sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' "; $sql = "select count(*) as num_rows from v_user_settings ";
$sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' ";
$sql .= "and user_setting_category = 'login' ";
$sql .= "and user_setting_subcategory = 'destination' ";
$sql .= "and user_setting_name = 'url' ";
$prep_statement = $db->prepare($sql);
if ($prep_statement) {
$prep_statement->execute();
$row = $prep_statement->fetch(PDO::FETCH_ASSOC);
$exists = ($row['num_rows'] > 0) ? true : false;
}
unset($sql, $prep_statement, $row);
//if exists, update
if ($exists) {
$sql = "update v_user_settings set ";
$sql .= "user_setting_value = '".$referrer."', ";
$sql .= "user_setting_enabled = 'true' ";
$sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' "; $sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' ";
$sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' "; $sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' ";
$sql .= "and user_setting_category = 'login' "; $sql .= "and user_setting_category = 'login' ";
$sql .= "and user_setting_subcategory = 'destination' "; $sql .= "and user_setting_subcategory = 'destination' ";
$sql .= "and user_setting_name = 'url' "; $sql .= "and user_setting_name = 'url' ";
$db->exec(check_sql($sql)); $prep_statement = $db->prepare($sql);
unset($sql); if ($prep_statement) {
} $prep_statement->execute();
//otherwise, insert $row = $prep_statement->fetch(PDO::FETCH_ASSOC);
else { $exists = ($row['num_rows'] > 0) ? true : false;
$sql = "insert into v_user_settings "; }
$sql .= "( "; unset($sql, $prep_statement, $row);
$sql .= "user_setting_uuid, ";
$sql .= "domain_uuid, "; //if exists, update
$sql .= "user_uuid, "; if ($exists) {
$sql .= "user_setting_category, "; $sql = "update v_user_settings set ";
$sql .= "user_setting_subcategory, "; $sql .= "user_setting_value = '".$referrer."', ";
$sql .= "user_setting_name, "; $sql .= "user_setting_enabled = 'true' ";
$sql .= "user_setting_value, "; $sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' ";
$sql .= "user_setting_enabled "; $sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' ";
$sql .= ") "; $sql .= "and user_setting_category = 'login' ";
$sql .= "values "; $sql .= "and user_setting_subcategory = 'destination' ";
$sql .= "( "; $sql .= "and user_setting_name = 'url' ";
$sql .= "'".uuid()."', "; $db->exec(check_sql($sql));
$sql .= "'".$_SESSION['domain_uuid']."', "; unset($sql);
$sql .= "'".$_SESSION["user_uuid"]."', "; }
$sql .= "'login', "; //otherwise, insert
$sql .= "'destination', "; else {
$sql .= "'url', "; $sql = "insert into v_user_settings ";
$sql .= "'".$referrer."', "; $sql .= "( ";
$sql .= "'true' "; $sql .= "user_setting_uuid, ";
$sql .= ") "; $sql .= "domain_uuid, ";
$db->exec(check_sql($sql)); $sql .= "user_uuid, ";
unset($sql); $sql .= "user_setting_category, ";
} $sql .= "user_setting_subcategory, ";
$sql .= "user_setting_name, ";
$sql .= "user_setting_value, ";
$sql .= "user_setting_enabled ";
$sql .= ") ";
$sql .= "values ";
$sql .= "( ";
$sql .= "'".uuid()."', ";
$sql .= "'".$_SESSION['domain_uuid']."', ";
$sql .= "'".$_SESSION["user_uuid"]."', ";
$sql .= "'login', ";
$sql .= "'destination', ";
$sql .= "'url', ";
$sql .= "'".$referrer."', ";
$sql .= "'true' ";
$sql .= ") ";
$db->exec(check_sql($sql));
unset($sql);
}
}
}
else {
//disable if not to remember last
$sql = "update v_user_settings set ";
$sql .= "user_setting_enabled = 'false' ";
$sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' ";
$sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' ";
$sql .= "and user_setting_category = 'login' ";
$sql .= "and user_setting_subcategory = 'destination' ";
$sql .= "and user_setting_name = 'url' ";
$db->exec(check_sql($sql));
unset($sql);
} }
}
else {
//disable if not to remember last
$sql = "update v_user_settings set ";
$sql .= "user_setting_enabled = 'false' ";
$sql .= "where domain_uuid = '".$_SESSION['domain_uuid']."' ";
$sql .= "and user_uuid = '".$_SESSION["user_uuid"]."' ";
$sql .= "and user_setting_category = 'login' ";
$sql .= "and user_setting_subcategory = 'destination' ";
$sql .= "and user_setting_name = 'url' ";
$db->exec(check_sql($sql));
unset($sql);
} }
//redirect the user to the index page //redirect the user to the index page