class.ilUserPasswordEncoderFactory.php

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<?php
/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once 'Services/User/exceptions/class.ilUserException.php';
 
class ilUserPasswordEncoderFactory
{
    protected $default_encoder;
 
    protected $encoders = array();
 
    public function __construct(array $config = array())
    {
        if (!empty($config)) {
            foreach ($config as $key => $value) {
                switch (strtolower($key)) {
                    case 'default_password_encoder':
                        $this->setDefaultEncoder($value);
                        break;
                }
            }
        }
 
        $this->initEncoders($config);
    }
 
    protected function initEncoders(array $config)
    {
        $this->encoders = [];
 
        $encoders = [
            new ilBcryptPhpPasswordEncoder($config),
            new ilBcryptPasswordEncoder($config),
            new ilMd5PasswordEncoder($config),
        ];
 
        foreach ($encoders as $encoder) {
            if ($encoder->isSupportedByRuntime()) {
                $this->encoders[$encoder->getName()] = $encoder;
            }
        }
    }
 
    public function getDefaultEncoder()
    {
        return $this->default_encoder;
    }
 
    public function setDefaultEncoder($default_encoder)
    {
        $this->default_encoder = $default_encoder;
    }
 
    public function getEncoders()
    {
        return $this->encoders;
    }
 
    public function setEncoders(array $encoders)
    {
        $this->encoders = array();
        foreach ($encoders as $encoder) {
            if (!($encoder instanceof ilPasswordEncoder)) {
                throw new ilUserException(sprintf('One of the passed encoders is not valid: %s.', json_encode($encoder)));
            }
            $this->encoders[$encoder->getName()] = $encoder;
        }
    }
 
    public function getSupportedEncoderNames()
    {
        return array_keys($this->getEncoders());
    }
 
    public function getEncoderByName($name, $get_default_on_mismatch = false)
    {
        if (!isset($this->encoders[$name])) {
            if (!$get_default_on_mismatch) {
                throw new ilUserException(sprintf('The encoder "%s" was not configured.', $name));
            } elseif (!$this->getDefaultEncoder()) {
                throw new ilUserException('No default encoder specified, fallback not possible.');
            } elseif (!isset($this->encoders[$this->getDefaultEncoder()])) {
                throw new ilUserException("No default encoder found for name: '{$this->getDefaultEncoder()}'.");
            }
 
            return $this->encoders[$this->getDefaultEncoder()];
        }
 
        return $this->encoders[$name];
    }
}