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