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<?php
function login($db){
/*___Database Query: Login___*/
$username = $_POST["username"];
$password = $_POST["password"];
$safe_username = SQLite3::escapeString("$username");
$pepper = file_get_contents("../database/pepper.txt");
$password = $password . $pepper;
$real_password = "";
$real_password_db = $db->query("SELECT password FROM user WHERE name='" . $safe_username . "';");
while($real_password_array = $real_password_db->fetchArray(SQLITE3_NUM)){
foreach($real_password_array as $secondelement){
$real_password=$secondelement;
}
}
/*___Login___*/
if (!password_verify($password, $real_password)) {
return LOGIN_PASSWORD;
}
if($db->exec("
BEGIN TRANSACTION;
INSERT INTO log (id, user, login) VALUES (NULL, (SELECT id FROM user WHERE name='" . $username . "'), (SELECT datetime()) );
COMMIT;
")){
$id = user_id($db, $username);
$_SESSION["login"] = true;
$_SESSION["username"] = $username;
$_SESSION["userid"] = $id;
return LOGIN_SUCCESSFULL;
} else {
return LOGIN_DATABASE;
}
}
function logout(){
if(session_destroy()){
return LOGOUT_SUCCESSFULL;
} else {
return LOGOUT_FAILURE;
}
}
function brutforce_protection(){
$_SESSION["login_attempts"] = $_SESSION["login_attempts"] + 1;
}
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