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OTP.php
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OTP.php
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<?php
/**
* Kolab OTP trait based on Spomky-Labs/otphp
*
* This basically follows the exmaple implementation from
* https://github.com/Spomky-Labs/otphp/tree/master/examples
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2015, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Kolab2FA\OTP;
trait OTP
{
protected $secret = null;
protected $issuer = null;
protected $issuer_included_as_parameter = false;
protected $label = null;
protected $digest = 'sha1';
protected $digits = 6;
public function setSecret($secret)
{
$this->secret = $secret;
return $this;
}
public function getSecret()
{
return $this->secret;
}
public function setLabel($label)
{
if ($this->hasSemicolon($label)) {
throw new \Exception('Label must not contain a semi-colon.');
}
$this->label = $label;
return $this;
}
public function getLabel()
{
return $this->label;
}
public function setIssuer($issuer)
{
if ($this->hasSemicolon($issuer)) {
throw new \Exception('Issuer must not contain a semi-colon.');
}
$this->issuer = $issuer;
return $this;
}
public function getIssuer()
{
return $this->issuer;
}
public function isIssuerIncludedAsParameter()
{
return $this->issuer_included_as_parameter;
}
public function setIssuerIncludedAsParameter($issuer_included_as_parameter)
{
$this->issuer_included_as_parameter = $issuer_included_as_parameter;
return $this;
}
public function setDigits($digits)
{
if (!is_numeric($digits) || $digits < 1) {
throw new \Exception('Digits must be at least 1.');
}
$this->digits = $digits;
return $this;
}
public function getDigits()
{
return $this->digits;
}
public function setDigest($digest)
{
if (!in_array($digest, array('md5', 'sha1', 'sha256', 'sha512'))) {
throw new \Exception("'$digest' digest is not supported.");
}
$this->digest = $digest;
return $this;
}
public function getDigest()
{
return $this->digest;
}
private function hasSemicolon($value)
{
$semicolons = array(':', '%3A', '%3a');
foreach ($semicolons as $semicolon) {
if (false !== strpos($value, $semicolon)) {
return true;
}
}
return false;
}
}

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OTP.php (3 KB)

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