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<?php |
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/* |
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* This file is part of the Shieldon package. |
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* |
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* (c) Terry L. <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Shieldon\Firewall\Firewall; |
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use Shieldon\Firewall\Firewall\Driver\DriverFactory; |
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use Shieldon\Firewall\Firewall\Captcha\CaptchaFactory; |
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/* |
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* Main Trait for Firwall class. |
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*/ |
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trait MainTrait |
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{ |
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/** |
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* Fetch value from configuration. |
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* |
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* @param string $option |
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* @param string $section |
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* |
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* @return mixed |
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*/ |
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abstract function getOption(string $option, string $section = ''); |
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/** |
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* Set a data driver for the use of Shiedon Firewall. |
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* Currently supports File, Redis, MySQL and SQLite. |
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* |
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* @return void |
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*/ |
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protected function setDriver(): void |
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{ |
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$driverType = $this->getOption('driver_type'); |
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$driverSetting = $this->getOption($driverType, 'drivers'); |
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if (isset($driverSetting['directory_path'])) { |
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$driverSetting['directory_path'] = $driverSetting['directory_path'] ?: $this->directory; |
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} |
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$driverInstance = DriverFactory::getInstance($driverType, $driverSetting); |
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$this->status = false; |
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if ($driverInstance !== null) { |
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$this->kernel->add($driverInstance); |
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$this->status = true; |
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} |
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} |
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/** |
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* Filters |
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* |
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* (1) Session. |
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* (2) Cookie generated by JavaScript code. |
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* (3) HTTP referrer information. |
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* (4) Pageview frequency. |
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* |
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* @return void |
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*/ |
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protected function setFilters(): void |
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{ |
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$sessionSetting = $this->getOption('session', 'filters'); |
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$cookieSetting = $this->getOption('cookie', 'filters'); |
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$refererSetting = $this->getOption('referer', 'filters'); |
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$frequencySetting = $this->getOption('frequency', 'filters'); |
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$filterConfig = [ |
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'session' => $sessionSetting['enable'], |
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'cookie' => $cookieSetting['enable'], |
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'referer' => $refererSetting['enable'], |
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'frequency' => $frequencySetting['enable'], |
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]; |
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$this->kernel->setFilters($filterConfig); |
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$this->kernel->setProperty('limit_unusual_behavior', [ |
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'session' => $sessionSetting['config']['quota'] ?? 5, |
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'cookie' => $cookieSetting['config']['quota'] ?? 5, |
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'referer' => $refererSetting['config']['quota'] ?? 5, |
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]); |
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// if ($frequencySetting['enable']) { |
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$frequencyQuota = [ |
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's' => $frequencySetting['config']['quota_s'] ?? 2, |
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'm' => $frequencySetting['config']['quota_m'] ?? 10, |
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'h' => $frequencySetting['config']['quota_h'] ?? 30, |
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'd' => $frequencySetting['config']['quota_d'] ?? 60, |
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]; |
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$this->kernel->setProperty('time_unit_quota', $frequencyQuota); |
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// if ($cookieSetting['enable']) { |
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$cookieName = $cookieSetting['config']['cookie_name'] ?? 'ssjd'; |
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$cookieDomain = $cookieSetting['config']['cookie_domain'] ?? ''; |
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$cookieValue = $cookieSetting['config']['cookie_value'] ?? '1'; |
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$this->kernel->setProperty('cookie_name', $cookieName); |
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$this->kernel->setProperty('cookie_domain', $cookieDomain); |
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$this->kernel->setProperty('cookie_value', $cookieValue); |
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// if ($refererSetting['enable']) { |
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$this->kernel->setProperty('interval_check_referer', $refererSetting['config']['time_buffer']); |
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// if ($sessionSetting['enable']) { |
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$this->kernel->setProperty('interval_check_session', $sessionSetting['config']['time_buffer']); |
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} |
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/** |
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* Components |
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* |
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* (1) Ip |
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* (2) Rdns |
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* (3) Header |
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* (4) User-agent |
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* (5) Trusted bot |
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* |
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* @return void |
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*/ |
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protected function setComponents(): void |
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{ |
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$componentConfig = [ |
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'Ip' => $this->getOption('ip', 'components'), |
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'Rdns' => $this->getOption('rdns', 'components'), |
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'Header' => $this->getOption('header', 'components'), |
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'UserAgent' => $this->getOption('user_agent', 'components'), |
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'TrustedBot' => $this->getOption('trusted_bot', 'components'), |
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]; |
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foreach ($componentConfig as $className => $config) { |
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$class = 'Shieldon\Firewall\Component\\' . $className; |
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if ($config['enable']) { |
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$componentInstance = new $class(); |
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if ($className === 'Ip') { |
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$this->kernel->add($componentInstance); |
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// Need Ip component to be loaded before calling this method. |
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$this->applyComponentIpManager(); |
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} elseif ($config['strict_mode']) { |
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$componentInstance->setStrict(true); |
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$this->kernel->add($componentInstance); |
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} |
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} |
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} |
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} |
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/** |
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* Captcha modules. |
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* |
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* (1) Google ReCaptcha |
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* (2) Simple image captcha. |
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* |
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* @return void |
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*/ |
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protected function setCaptchas(): void |
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{ |
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$captchaList = [ |
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'recaptcha', |
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'image', |
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]; |
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foreach ($captchaList as $captcha) { |
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$setting = $this->getOption($captcha, 'captcha_modules'); |
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if (is_array($setting)) { |
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// Initialize messenger instances from the factory/ |
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if (CaptchaFactory::check($captcha, $setting)) { |
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$this->kernel->add( |
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CaptchaFactory::getInstance( |
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// The ID of the captcha module in the configuration. |
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$captcha, |
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// The settings of the captcha module in the configuration. |
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$setting |
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) |
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); |
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} |
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} |
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unset($setting); |
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} |
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} |
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} |
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terrylinooo /
shieldon
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.