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<?php |
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namespace ScwCookie; |
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class ScwCookie |
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{ |
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public $config = []; |
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private $decisionMade = false; |
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private $choices = []; |
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public function __construct() |
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{ |
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$this->config = parse_ini_file("config.ini", true); |
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$this->decisionMade = self::getCookie('scwCookieHidden') == 'true'; |
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$this->choices = $this->getChoices(); |
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} |
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public function getChoices() |
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{ |
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if (self::getCookie('scwCookie') !== false) { |
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$cookie = self::getCookie('scwCookie'); |
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$cookie = self::decrypt($cookie); |
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return $cookie; |
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} |
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$return = []; |
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foreach ($this->enabledCookies() as $name => $label) { |
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$return[$name] = $this->config['unsetDefault']; |
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} |
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return $return; |
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} |
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public static function encrypt($value) |
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{ |
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$return = json_encode($value); |
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return $return; |
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} |
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public static function decrypt($value) |
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{ |
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$value = str_replace('\"', '"', $value); |
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$return = json_decode($value, true); |
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return $return; |
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} |
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public function isAllowed($name) |
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{ |
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$choices = $this->getChoices(); |
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return isset($choices[$name]) && $choices[$name] == 'allowed'; |
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} |
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public function isEnabled($name) |
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{ |
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$check = $this->config[$name]; |
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return is_array($check) && isset($check['enabled']) && $check['enabled']; |
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} |
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public function getCode($name) |
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{ |
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return isset($this->config[$name]) && isset($this->config[$name]['code']) |
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? $this->config[$name]['code'] |
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: false; |
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} |
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public function output() |
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{ |
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echo $this->getOutput(); |
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} |
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public function getOutput() |
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{ |
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$return = []; |
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// Get decision window output |
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$return[] = $this->getOutputHTML('decision'); |
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// Get embed codes |
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$embedCodes = [ |
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'Google_Analytics' => 'googleAnalytics', |
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'Smartsupp' => 'smartsupp', |
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'Hotjar' => 'hotjar', |
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'Tawk.to' => 'tawkto', |
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]; |
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foreach ($embedCodes as $configKey => $embedFile) { |
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if ($this->config[$configKey]['enabled'] && $this->isAllowed($configKey)) { |
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$return[] = $this->getOutputHTML($embedFile); |
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} |
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} |
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return implode("\n", $return); |
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} |
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public function getOutputHTML($filename) |
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{ |
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if (!file_exists(__DIR__.'/output/cookies/'.$filename.'.php')) { |
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return false; |
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} |
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ob_start(); |
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include __DIR__.'/output/cookies/'.$filename.'.php'; |
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return trim(ob_get_clean()); |
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} |
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public function enabledCookies() |
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{ |
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$return = []; |
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foreach ($this->config as $name => $value) { |
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if (!$this->isEnabled($name)) { |
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continue; |
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} |
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$return[$name] = $value['label']; |
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} |
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return $return; |
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} |
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public static function setCookie( |
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$name, |
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$value, |
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$lifetime = 30, |
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$lifetimePeriod = 'days', |
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$domain = '/', |
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$secure = false |
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) { |
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// Validate parameters |
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self::validateSetCookieParams($name, $value, $lifetime, $lifetimePeriod, $domain, $secure); |
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// Calculate expiry |
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$expiry = strtotime('+'.$lifetime.' '.$lifetimePeriod); |
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// Set cookie |
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return setcookie($name, $value, $expiry, $domain, $secure); |
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} |
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public static function validateSetCookieParams($name, $value, $lifetime, $lifetimePeriod, $domain, $secure) |
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{ |
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// Set allowed time periods |
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$lifetimePeriods = array('minutes', 'hours', 'days', 'weeks'); |
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// Types of parameters to check |
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$paramTypes = [ |
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// Type => Array of variables |
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'string' => [$name, $value, $domain], |
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'int' => [$lifetime], |
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'bool' => [$secure], |
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]; |
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// Validate basic parameters |
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$validParams = self::basicValidationChecks($paramTypes); |
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// More complex validations |
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$validParams = in_array($lifetimePeriod, $lifetimePeriods) ? $validParams : false; |
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// Ensure parameters are still valid |
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if (!$validParams) { |
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// Failed parameter check |
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header('HTTP/1.0 403 Forbidden'); |
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throw new \Exception("Incorrect parameter passed to Cookie::set"); |
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} |
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return true; |
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} |
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public static function basicValidationChecks($parameters) |
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{ |
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foreach ($paramTypes as $type => $variables) { |
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$functionName = 'is_'.$type; |
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foreach ($variables as $variable) { |
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if (!$functionName($variable)) { |
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return false; |
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} |
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} |
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} |
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return true; |
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} |
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public static function getCookie($name) |
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{ |
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// If cookie exists - return it, otherwise return false |
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return isset($_COOKIE[$name]) ? $_COOKIE[$name] : false; |
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} |
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public static function destroyCookie($name) |
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{ |
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// Set cookie expiration to 1 hour ago |
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return setcookie($name, '', time() - 3600); |
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} |
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} |
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southcoastweb /
gdpr-cookie
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