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<?
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require_once "../lib/db_open.inc.php";
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require_once "../lib/lml.inc.php";
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require_once "../lib/passwd.inc.php";
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require_once "../lib/vn_gif.inc.php";
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require_once "../lib/client_addr.inc.php";
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require_once "../lib/ip_mask.inc.php";
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require_once "./session_init.inc.php";
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require_once "./user_login.inc.php";
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$data = json_decode(file_get_contents("php://input"), true);
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$username = (isset($data["username"]) ? $data["username"] : "");
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$password = (isset($data["password"]) ? $data["password"] : "");
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$ch_passwd = (isset($data["ch_passwd"]) && $data["ch_passwd"] == "1" ? 1 : 0);
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$password_new = (isset($data["password_new"]) ? $data["password_new"] : "");
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$agreement = (isset($data["agreement"]) && $data["agreement"] == "1");
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$mfa = (isset($data["mfa"]) && $data["mfa"] == "1" ? 1 : 0);
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$vn_str = (isset($data["vn_str"]) ? $data["vn_str"] : "");
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$result_set = array(
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"return" => array(
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"code" => 0,
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"message" => "",
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"errorFields" => array(),
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)
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);
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header("Content-Type:application/json; charset=utf-8");
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// Validate input data
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if (!preg_match("/^[A-Za-z][A-Za-z0-9]{4,11}$/", $username))
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "username",
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"errMsg" => "不符合格式要求",
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));
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}
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if (!preg_match("/^[A-Za-z0-9]{5,12}$/", $password))
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "password",
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"errMsg" => "不符合格式要求",
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));
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}
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if ($ch_passwd)
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{
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if (!preg_match("/^[A-Za-z0-9]{5,12}$/", $password_new))
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "password_new",
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"errMsg" => "不符合格式要求",
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));
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}
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if (!verify_pass_complexity($password_new, $username, 6))
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "password_new",
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"errMsg" => "不符合复杂性要求",
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));
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}
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}
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if ($mfa)
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{
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if ((!isset($_SESSION["BBS_vn_str"])) || VN_check($_SESSION["BBS_vn_str"], $vn_str) != 0)
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "vn_str",
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"errMsg" => "验证码错误",
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));
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}
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}
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if ($result_set["return"]["code"] != 0)
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{
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Begin transaction
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$rs = mysqli_query($db_conn, "SET autocommit=0");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$rs = mysqli_query($db_conn, "BEGIN");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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if (!$mfa)
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{
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// Failed login attempts from the same source (subnet /24) during certain time period
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$sql = "SELECT COUNT(*) AS err_count FROM user_err_login_log
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WHERE login_dt >= SUBDATE(NOW(), INTERVAL '10' MINUTE)
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AND login_ip LIKE '" . client_addr(1) . "'";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Query login log error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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if ($row = mysqli_fetch_array($rs))
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{
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if ($row["err_count"] >= 2)
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{
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$result_set["return"]["code"] = 1;
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$result_set["return"]["message"] = "来源存在多次失败登陆尝试，请输入验证码";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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}
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mysqli_free_result($rs);
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// Failed login attempts against the current username during certain time period
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$sql = "SELECT COUNT(*) AS err_count FROM user_err_login_log
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WHERE username = '$username' AND login_dt >= SUBDATE(NOW(), INTERVAL '1' DAY)";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Query login log error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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if ($row = mysqli_fetch_array($rs))
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{
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if ($row["err_count"] >= 5)
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{
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$result_set["return"]["code"] = 1;
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$result_set["return"]["message"] = "账号存在多次失败登陆尝试，请输入验证码";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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}
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mysqli_free_result($rs);
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}
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$sql = "SELECT UID, p_login, verified, temp_password,
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password = MD5('$password') AS old_pass
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FROM user_list WHERE username = '$username' AND
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(password = MD5('$password') OR password = SHA2('$password', 256) OR
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temp_password = '$password')
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AND enable";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Query user list error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$uid = 0;
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if ($row = mysqli_fetch_array($rs))
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{
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$uid = $row["UID"];
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if ($password == $row["temp_password"] && !$ch_passwd)
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{
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$result_set["return"]["code"] = 2;
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$result_set["return"]["message"] = "使用临时密码登录需设置新密码";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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if ($ch_passwd)
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{
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$verified = ($password == $row["temp_password"] ? 1 : $row["verified"]); // New user first time login with temp password
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$sql = "UPDATE user_list SET password = SHA2('$password_new', 256),
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temp_password = '', verified = $verified WHERE UID = $uid";
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$rs_p = mysqli_query($db_conn, $sql);
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if ($rs_p == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Update password error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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}
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else if ($row["old_pass"])
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{
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$sql = "UPDATE user_list SET password = SHA2('$password', 256) WHERE UID = $uid";
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$rs_p = mysqli_query($db_conn, $sql);
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if ($rs_p == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Upgrade password error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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}
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mysqli_free_result($rs);
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// Add user login log
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$sql = "INSERT INTO user_login_log(uid, login_dt, login_ip) VALUES($uid, NOW(), '" .
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client_addr() . "')";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Write log error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Commit transaction
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$rs = mysqli_query($db_conn, "COMMIT");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Forbidden user
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if (!$row["p_login"])
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{
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$result_set["return"]["code"] = 3;
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$result_set["return"]["message"] = "您已被封禁全站登陆权限！";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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}
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else
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{
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// Log login failure
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$sql = "INSERT INTO user_err_login_log(username, password, login_dt, login_ip)
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VALUES('$username', '$password', NOW(), '" . client_addr() . "')";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Write log error; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Commit transaction
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$rs = mysqli_query($db_conn, "COMMIT");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$result_set["return"]["code"] = 3;
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$result_set["return"]["message"] = "用户名或密码不正确";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// SET AUTOCOMMIT = 1
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$rs = mysqli_query($db_conn, "SET autocommit=1");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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//Load User Information
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$ret = load_user_info($uid, $db_conn);
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switch($ret)
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{
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case "-1":
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "User data not found; " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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case "-2":
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if (!$agreement)
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{
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$buffer = file_get_contents("./doc/license/" . (new DateTime($BBS_license_dt))->format("Ymd") . ".txt");
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$result_set["return"]["code"] = 4;
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$result_set["return"]["message"] = LML(htmlspecialchars($buffer, ENT_HTML401, 'UTF-8'), false, false, 1024);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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break;
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case "-3":
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$result_set["return"]["code"] = 3;
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$result_set["return"]["message"] = "很遗憾，您已经永远离开了我们的世界……";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$sql = "UPDATE user_pubinfo SET visit_count = visit_count + 1,
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last_login_dt = NOW() WHERE UID = $uid";
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$rs = mysqli_query($db_conn, $sql);
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| 343 |
if ($rs == false)
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{
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| 345 |
$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Update login info error; " . mysqli_error($db_conn);
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| 347 |
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| 348 |
mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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| 351 |
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| 352 |
$_SESSION["BBS_uid"] = $uid;
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| 353 |
$_SESSION["BBS_username"] = $username;
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| 354 |
$_SESSION["BBS_login_tm"] = time();
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$_SESSION["BBS_vn_str"] == "";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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?>
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