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<?php |
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/** |
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* src/SecurityTxt.php |
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* |
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* @package php-security-txt |
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* @author Austin Heap <[email protected]> |
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* @version v0.4.0 |
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*/ |
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declare(strict_types = 1); |
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namespace AustinHeap\Security\Txt; |
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use AustinHeap\Security\Txt\Directives\Acknowledgement; |
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use AustinHeap\Security\Txt\Directives\Contact; |
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use AustinHeap\Security\Txt\Directives\Disclosure; |
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use AustinHeap\Security\Txt\Directives\Encryption; |
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use Exception; |
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/** |
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* SecurityTxt |
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* |
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* @link https://github.com/austinheap/php-security-txt |
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* @link https://packagist.org/packages/austinheap/php-security-txt |
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* @link https://austinheap.github.io/php-security-txt/classes/AustinHeap.Security.Txt.SecurityTxt.html |
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* @link https://securitytext.org/ |
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*/ |
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class SecurityTxt implements SecurityTxtInterface |
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{ |
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/** |
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* Directive trait: Contact |
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*/ |
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use Contact; |
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/** |
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* Directive trait: Encryption |
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*/ |
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use Encryption; |
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/** |
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* Directive trait: Disclosure |
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*/ |
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use Disclosure; |
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/** |
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* Directive trait: Acknowledgement |
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*/ |
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use Acknowledgement; |
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/** |
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* Internal version number. |
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* |
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* @var string |
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*/ |
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const VERSION = '0.4.0'; |
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/** |
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* Internal parent object. |
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* |
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* @var \AustinHeap\Security\Txt\Writer|\AustinHeap\Security\Txt\Reader |
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*/ |
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private $parent = null; |
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/** |
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* Internal Writer object. |
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* |
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* @var \AustinHeap\Security\Txt\Writer |
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*/ |
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protected $writer = null; |
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/** |
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* Internal Reader object. |
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* |
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* @var \AustinHeap\Security\Txt\Reader |
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*/ |
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protected $reader = null; |
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/** |
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* Internal text cache. |
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* |
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* @var string |
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*/ |
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protected $text = null; |
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/** |
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* Enable debug output. |
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* |
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* @var bool |
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*/ |
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protected $debug = false; |
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/** |
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* Enable built-in comments. |
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* |
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* @var bool |
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*/ |
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protected $comments = true; |
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/** |
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* Create a new SecurityTxt instance. |
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* |
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* @param Writer|Reader $parent |
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* |
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* @return SecurityTxt|Writer|Reader |
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*/ |
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public function __construct(&$parent = null) |
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{ |
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if (!defined('PHP_SECURITY_TXT_VERSION')) { |
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define('PHP_SECURITY_TXT_VERSION', self::VERSION); |
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} |
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$this->parent = $parent; |
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if (func_num_args() == 1) { |
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if (is_null($this->parent)) { |
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throw new Exception('Cannot create ' . __CLASS__ . ' with explicitly null $parent class.'); |
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} elseif (!$this->parent instanceof Reader && !$this->parent instanceof Writer) { |
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throw new Exception('Cannot create ' . __CLASS__ . ' with $parent class: ' . get_class($this->parent)); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Returns the parent's class if it exists. |
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* |
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* @return string |
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*/ |
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public function getParentClass(): string |
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{ |
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return get_class($this->getParent()); |
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} |
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/** |
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* Returns the parent object if it exists. |
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* |
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* @return Reader|Writer |
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*/ |
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public function getParent() |
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{ |
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if (!$this->hasParent()) { |
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throw new Exception('Parent object is not set.'); |
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} |
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return $this->parent; |
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} |
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/** |
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* Determines if the parent object was set. |
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* |
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* @return bool |
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*/ |
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public function hasParent(): bool |
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{ |
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return !is_null($this->parent); |
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} |
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/** |
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* Enable the comments flag. |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function enableComments(): SecurityTxt |
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{ |
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return $this->setComments(true); |
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} |
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/** |
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* Disable the comments flag. |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function disableComments(): SecurityTxt |
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{ |
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return $this->setComments(false); |
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} |
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/** |
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* Set the comments flag. |
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* |
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* @param string $comments |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function setComments(bool $comments): SecurityTxt |
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{ |
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$this->comments = $comments; |
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return $this; |
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} |
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/** |
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* Get the comments flag. |
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* |
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* @return bool |
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*/ |
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public function getComments(): bool |
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{ |
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return $this->comments; |
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} |
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/** |
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* Enable the debug flag. |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function enableDebug(): SecurityTxt |
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{ |
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return $this->setDebug(true); |
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} |
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/** |
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* Disable the debug flag. |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function disableDebug(): SecurityTxt |
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{ |
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return $this->setDebug(false); |
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} |
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/** |
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* Set the debug flag. |
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* |
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* @param bool $debug |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function setDebug(bool $debug): SecurityTxt |
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{ |
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$this->debug = $debug; |
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return $this; |
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} |
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/** |
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* Get the debug flag. |
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* |
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* @return bool |
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*/ |
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public function getDebug(): bool |
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{ |
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return $this->debug; |
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} |
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/** |
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* Set the text. |
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* |
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* @param string $text |
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* |
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* @return \AustinHeap\Security\Txt\SecurityTxt |
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*/ |
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public function setText(string $text): SecurityTxt |
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{ |
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$this->text = $text; |
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return $this; |
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} |
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/** |
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* Get the text. |
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* |
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* @return string |
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*/ |
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public function getText(): string |
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{ |
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return $this->text === null ? '' : $this->text; |
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} |
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/** |
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* Stub generate function. Must be overridden by inheriting class that implements SecurityTxtInterface. |
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* |
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* @param bool $test_case |
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* |
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* @return Reader|Writer|null |
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* @throws Exception |
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*/ |
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public function execute(bool $test_case = false) |
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{ |
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return $this->overrideMissing(__FUNCTION__, $test_case); |
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} |
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/** |
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* Stub reset function. Must be overridden by inheriting class that implements SecurityTxtInterface. |
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* |
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* @param bool $test_case |
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* |
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* @return Reader|Writer|null |
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* @throws Exception |
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*/ |
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public function reset(bool $test_case = false) |
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{ |
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return $this->overrideMissing(__FUNCTION__, $test_case); |
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} |
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/** |
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* Throws an exception when the inheriting class did not correctly implement SecurityTxtInterface. |
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* |
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* @param string $function |
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* @param bool $test_case |
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* |
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* @return null |
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* @throws Exception |
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*/ |
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public function overrideMissing(string $function, bool $test_case = false) |
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{ |
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if ($test_case) { |
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return null; |
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} |
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throw new Exception('Function "' . $function . '" must be overridden by parent SecurityTxtInterface before being called.'); |
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} |
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} |
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