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# RAP 2

## Installation

For installing PHP dependencies run:

    composer install

To setup the database edit scripts in the sql folder and run them:

    mysql -u root -p < sql/create-db-and-user.sql

    mysql -u root -p rap < sql/create-tables.sql

<?php

/* ----------------------------------------------------------------------------

 *               INAF - National Institute for Astrophysics

 *               IRA  - Radioastronomical Institute - Bologna

 *               OATS - Astronomical Observatory - Trieste

 * ----------------------------------------------------------------------------

 *

 * Copyright (C) 2016 Istituto Nazionale di Astrofisica

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License Version 3 as published by the

 * Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc., 51

 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

namespace RAP;

use PDO;

class DAO {

    private static function getDBHandler() {

        global $PDO;

        return new PDO($PDO['connection_string'], $PDO['user'], $PDO['password']);

    }

    public static function insertLogin($user) {

        global $log;

        $token = bin2hex(openssl_random_pseudo_bytes(16)); // http://stackoverflow.com/a/18890309/771431

        $dbh = DAO::getDBHandler();

        $stmt = $dbh->prepare("INSERT INTO token (token, data) VALUES(:token, :data)");

        $params = array(

            ':token' => $token,

            ':data' => json_encode($user)

        );

        if ($stmt->execute($params)) {

            return $token;

        } else {

            $log->error($stmt->errorInfo()[2]);

            throw new \Exception("SQL error while storing user token");

        }

    }

    public static function getTokenData($token) {

        $dbh = DAO::getDBHandler();

        $stmt = $dbh->prepare("SELECT data FROM token WHERE token = :token AND CURRENT_TIMESTAMP < TIMESTAMPADD(MINUTE,1,creation_time)");

        $stmt->bindParam(':token', $token);

        $stmt->execute();

        foreach ($stmt->fetchAll() as $row) {

            return $row['data'];

        }

        return null;

    }

    public static function deleteToken($token) {

        $dbh = DAO::getDBHandler();

        $stmt = $dbh->prepare("DELETE FROM token WHERE token = :token");

        $stmt->bindParam(':token', $token);

        $stmt->execute();

    }

}

{

    "require": {

        "mikecao/flight": "1.3.2",

        "google/apiclient": "2.1.3",

        "facebook/graph-sdk": "^5.5",

        "monolog/monolog": "^1.22"

    }

}