Viewing file:  Honeypot.php (2.3 KB) -rw-r--r--
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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Honeypot;
use CodeIgniter\Honeypot\Exceptions\HoneypotException;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Config\Honeypot as HoneypotConfig;
/**
* class Honeypot
*/
class Honeypot
{
/**
* Our configuration.
*
* @var HoneypotConfig
*/
protected $config;
/**
* Constructor.
*
* @throws HoneypotException
*/
public function __construct(HoneypotConfig $config)
{
$this->config = $config;
if (! $this->config->hidden) {
throw HoneypotException::forNoHiddenValue();
}
if (empty($this->config->container) || strpos($this->config->container, '{template}') === false) {
$this->config->container = '<div style="display:none">{template}</div>';
}
if ($this->config->template === '') {
throw HoneypotException::forNoTemplate();
}
if ($this->config->name === '') {
throw HoneypotException::forNoNameField();
}
}
/**
* Checks the request if honeypot field has data.
*/
public function hasContent(RequestInterface $request)
{
return ! empty($request->getPost($this->config->name));
}
/**
* Attaches Honeypot template to response.
*/
public function attachHoneypot(ResponseInterface $response)
{
$prepField = $this->prepareTemplate($this->config->template);
$body = $response->getBody();
$body = str_ireplace('</form>', $prepField . '</form>', $body);
$response->setBody($body);
}
/**
* Prepares the template by adding label
* content and field name.
*/
protected function prepareTemplate(string $template): string
{
$template = str_ireplace('{label}', $this->config->label, $template);
$template = str_ireplace('{name}', $this->config->name, $template);
if ($this->config->hidden) {
$template = str_ireplace('{template}', $template, $this->config->container);
}
return $template;
}
}
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