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✎ Editing: DatabaseReminderRepository.php ← Back

<?php namespace Illuminate\Auth\Reminders;

use Carbon\Carbon;
use Illuminate\Database\Connection;

class DatabaseReminderRepository implements ReminderRepositoryInterface {

/**
	 * The database connection instance.
	 *
	 * @var \Illuminate\Database\Connection
	 */
	protected $connection;

/**
	 * The reminder database table.
	 *
	 * @var string
	 */
	protected $table;

/**
	 * The hashing key.
	 *
	 * @var string
	 */
	protected $hashKey;

/**
	 * The number of seconds a reminder should last.
	 *
	 * @var int
	 */
	protected $expires;

/**
	 * Create a new reminder repository instance.
	 *
	 * @param  \Illuminate\Database\Connection  $connection
	 * @param  string  $table
	 * @param  string  $hashKey
	 * @param  int  $expires
	 * @return void
	 */
	public function __construct(Connection $connection, $table, $hashKey, $expires = 60)
	{
		$this->table = $table;
		$this->hashKey = $hashKey;
		$this->expires = $expires * 60;
		$this->connection = $connection;
	}

/**
	 * Create a new reminder record and token.
	 *
	 * @param  \Illuminate\Auth\Reminders\RemindableInterface  $user
	 * @return string
	 */
	public function create(RemindableInterface $user)
	{
		$email = $user->getReminderEmail();

$this->deleteExisting($user);

// We will create a new, random token for the user so that we can e-mail them
		// a safe link to the password reset form. Then we will insert a record in
		// the database so that we can verify the token within the actual reset.
		$token = $this->createNewToken($user);

$this->getTable()->insert($this->getPayload($email, $token));

return $token;
	}

/**
	 * Delete all existing reset tokens from the database.
	 *
	 * @param  \Illuminate\Auth\Reminders\RemindableInterface  $user
	 * @return int
	 */
	protected function deleteExisting(RemindableInterface $user)
	{
		return $this->getTable()->where('email', $user->getReminderEmail())->delete();
	}

/**
	 * Build the record payload for the table.
	 *
	 * @param  string  $email
	 * @param  string  $token
	 * @return array
	 */
	protected function getPayload($email, $token)
	{
		return array('email' => $email, 'token' => $token, 'created_at' => new Carbon);
	}

/**
	 * Determine if a reminder record exists and is valid.
	 *
	 * @param  \Illuminate\Auth\Reminders\RemindableInterface  $user
	 * @param  string  $token
	 * @return bool
	 */
	public function exists(RemindableInterface $user, $token)
	{
		$email = $user->getReminderEmail();

$reminder = (array) $this->getTable()->where('email', $email)->where('token', $token)->first();

return $reminder && ! $this->reminderExpired($reminder);
	}

/**
	 * Determine if the reminder has expired.
	 *
	 * @param  array  $reminder
	 * @return bool
	 */
	protected function reminderExpired($reminder)
	{
		$createdPlusHour = strtotime($reminder['created_at']) + $this->expires;

return $createdPlusHour < $this->getCurrentTime();
	}

/**
	 * Get the current UNIX timestamp.
	 *
	 * @return int
	 */
	protected function getCurrentTime()
	{
		return time();
	}

/**
	 * Delete a reminder record by token.
	 *
	 * @param  string  $token
	 * @return void
	 */
	public function delete($token)
	{
		$this->getTable()->where('token', $token)->delete();
	}

/**
	 * Delete expired reminders.
	 *
	 * @return void
	 */
	public function deleteExpired()
	{
		$expired = Carbon::now()->subSeconds($this->expires);

$this->getTable()->where('created_at', '<', $expired)->delete();
	}

/**
	 * Create a new token for the user.
	 *
	 * @param  \Illuminate\Auth\Reminders\RemindableInterface  $user
	 * @return string
	 */
	public function createNewToken(RemindableInterface $user)
	{
		$email = $user->getReminderEmail();

$value = str_shuffle(sha1($email.spl_object_hash($this).microtime(true)));

return hash_hmac('sha1', $value, $this->hashKey);
	}

/**
	 * Begin a new database query against the table.
	 *
	 * @return \Illuminate\Database\Query\Builder
	 */
	protected function getTable()
	{
		return $this->connection->table($this->table);
	}

/**
	 * Get the database connection instance.
	 *
	 * @return \Illuminate\Database\Connection
	 */
	public function getConnection()
	{
		return $this->connection;
	}

}

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