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<?php |
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/** |
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* Created by: Jens |
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* Date: 27-3-2018 |
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*/ |
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namespace CloudControl\Cms\cc; |
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class ResponseHeaders |
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{ |
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const HEADER_ACCESS_CONTROL_ALLOW_ORIGIN = 'Access-Control-Allow-Origin'; |
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const HEADER_ACCESS_CONTROL_ALLOW_ORIGIN_CONTENT = '*'; |
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const HEADER_CACHE_CONTROL = 'Cache-Control'; |
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const HEADER_CACHE_CONTROL_CONTENT_NO_STORE_NO_CACHE_MUST_REVALIDATE_MAX_AGE_0 = 'no-store, no-cache, must-revalidate, max-age=0'; |
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const HEADER_CONNECTION = 'Connection'; |
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const HEADER_CONNECTION_CONTENT_KEEP_ALIVE = 'Keep-Alive'; |
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const HEADER_CONTENT_DESCRIPTION = 'Content-Description'; |
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const HEADER_CONTENT_DESCRIPTION_CONTENT = 'File Transfer'; |
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const HEADER_CONTENT_DISPOSITION = 'Content-Disposition'; |
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const HEADER_CONTENT_LENGTH = 'Content-Length'; |
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const HEADER_CONTENT_SECURITY_POLICY = 'Content-Security-Policy'; |
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const HEADER_CONTENT_SECURITY_POLICY_CONTENT_INSECURE = 'default-src \'self\' https: \'unsafe-inline\' \'unsafe-eval\''; |
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const HEADER_CONTENT_SECURITY_POLICY_CONTENT_LOCALHOST = 'default-src * \'unsafe-inline\' \'unsafe-eval\' data: blob:'; |
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const HEADER_CONTENT_SECURITY_POLICY_CONTENT_SECURE = 'default-src https: \'unsafe-inline\' \'unsafe-eval\''; |
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const HEADER_CONTENT_TRANSFER_ENCODING = 'Content-Transfer-Encoding'; |
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const HEADER_CONTENT_TRANSFER_ENCODING_CONTENT_BINARY = 'binary'; |
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const HEADER_CONTENT_TYPE = 'Content-Type'; |
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const HEADER_CONTENT_TYPE_CONTENT_APPLICATION_JSON = 'application/json'; |
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const HEADER_CONTENT_TYPE_CONTENT_TEXT_HTML = 'text/html'; |
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const HEADER_EXPIRES = 'Expires'; |
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const HEADER_PRAGMA = 'Pragma'; |
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const HEADER_PRAGMA_CONTENT_CACHE = 'cache'; |
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const HEADER_PRAGMA_CONTENT_NO_CACHE = 'no-cache'; |
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const HEADER_PRAGMA_CONTENT_PUBLIC = 'public'; |
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const HEADER_REFERRER_POLICY = 'Referrer-Policy'; |
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const HEADER_REFERRER_POLICY_CONTENT = 'strict-origin-when-cross-origin'; |
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const HEADER_SET_COOKIE = 'Set-Cookie'; |
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const HEADER_STRICT_TRANSPORT_SECURITY = 'Strict-Transport-Security'; |
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const HEADER_STRICT_TRANSPORT_SECURITY_CONTENT = 'max-age=31536000'; |
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const HEADER_X_CONTENT_SECURITY_POLICY = 'X-Content-Security-Policy'; // For IE |
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const HEADER_X_CONTENT_TYPE_OPTIONS = 'X-Content-Type-Options'; |
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const HEADER_X_CONTENT_TYPE_OPTIONS_CONTENT = 'nosniff;'; |
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const HEADER_X_FRAME_OPTIONS = 'X-Frame-Options: '; |
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const HEADER_X_FRAME_OPTIONS_CONTENT = 'SAMEORIGIN'; |
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const HEADER_X_POWERED_BY = 'X-Powered-By'; |
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const HEADER_X_POWERED_BY_CONTENT = 'Cloud Control - https://getcloudcontrol.org'; |
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const HEADER_X_XSS_PROTECTION = 'X-XSS-Protection'; |
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const HEADER_X_XSS_PROTECTION_CONTENT = '1; mode=block'; |
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/** |
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* Default headers |
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* @var array |
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*/ |
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protected static $headers = array( |
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self::HEADER_ACCESS_CONTROL_ALLOW_ORIGIN => self::HEADER_ACCESS_CONTROL_ALLOW_ORIGIN_CONTENT, |
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self::HEADER_CONTENT_TYPE => self::HEADER_CONTENT_TYPE_CONTENT_TEXT_HTML, |
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self::HEADER_REFERRER_POLICY => self::HEADER_REFERRER_POLICY_CONTENT, |
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self::HEADER_STRICT_TRANSPORT_SECURITY => self::HEADER_STRICT_TRANSPORT_SECURITY_CONTENT, |
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self::HEADER_X_CONTENT_TYPE_OPTIONS => self::HEADER_X_CONTENT_TYPE_OPTIONS_CONTENT, |
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self::HEADER_X_FRAME_OPTIONS => self::HEADER_X_FRAME_OPTIONS_CONTENT, |
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self::HEADER_X_POWERED_BY => self::HEADER_X_POWERED_BY_CONTENT, |
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self::HEADER_X_XSS_PROTECTION => self::HEADER_X_XSS_PROTECTION_CONTENT, |
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); |
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protected static $initialized = false; |
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/** |
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* ResponseHeaders constructor. |
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*/ |
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public function __construct() |
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{ |
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self::init(); |
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} |
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/** |
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* Adds content security policy headers |
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*/ |
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public static function init() |
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{ |
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self::add(self::HEADER_SET_COOKIE, '__Host-sess=' . session_id() . '; path=' . Request::$subfolders . '; Secure; HttpOnly; SameSite;'); |
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if (Request::isSecure()) { |
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self::add(self::HEADER_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_SECURE); |
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self::add(self::HEADER_STRICT_TRANSPORT_SECURITY, self::HEADER_STRICT_TRANSPORT_SECURITY_CONTENT); |
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self::add(self::HEADER_X_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_SECURE); |
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} elseif (Request::isLocalhost()) { |
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self::add(self::HEADER_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_LOCALHOST); |
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self::add(self::HEADER_X_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_LOCALHOST); |
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} else { |
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self::add(self::HEADER_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_INSECURE); |
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self::add(self::HEADER_X_CONTENT_SECURITY_POLICY, self::HEADER_CONTENT_SECURITY_POLICY_CONTENT_INSECURE); |
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} |
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self::$initialized = true; |
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} |
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/** |
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* @param $headerName |
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* @param $headerContent |
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*/ |
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public static function add($headerName, $headerContent) |
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{ |
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self::$headers[$headerName] = $headerContent; |
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} |
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/** |
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* @param $headerName |
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*/ |
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public static function delete($headerName) |
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{ |
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if (isset(self::$headers[$headerName])) { |
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unset(self::$headers[$headerName]); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public static function getHeaders() |
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{ |
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return self::$headers; |
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} |
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public static function sendAllHeaders() |
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{ |
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if (self::$initialized === false) { |
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self::init(); |
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} |
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foreach (self::$headers as $headerName => $headerContent) { |
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header($headerName . ': ' . $headerContent); |
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} |
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} |
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} |
jenskooij /
cloudcontrol
