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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XML; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\XML\Constants; |
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/** |
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* Trait grouping common functionality for simple elements with base64 textContent |
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* |
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* @package simplesamlphp/xml-common |
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*/ |
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trait XMLBase64ElementTrait |
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{ |
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use XMLStringElementTrait; |
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/** |
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* @param string $content |
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*/ |
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public function __construct(string $content) |
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{ |
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// Check sanitized content against Base64 alphabet |
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$sanitized = $this->sanitizeContent($content); |
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$this->validateContent($sanitized); |
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// Still keep the unsanitized content as a reference |
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$this->setContent($content); |
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} |
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/** |
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* Get the content of the element. |
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* |
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* @return string |
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*/ |
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public function getContent(): string |
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{ |
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return $this->sanitizeContent($this->getRawContent()); |
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} |
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/** |
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* Get the raw and unsanitized content of the element. |
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* |
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* @return string |
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*/ |
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public function getRawContent(): string |
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{ |
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return $this->content; |
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} |
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/** |
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* Sanitize the content of the element. |
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* |
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* @param string $content The unsanitized textContent |
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* @throws \Exception on failure |
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* @return string |
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*/ |
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protected function sanitizeContent(string $content): string |
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{ |
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return str_replace(["\r", "\n", "\t", ' '], '', $content); |
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} |
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/** |
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* Validate the content of the element. |
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* |
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* @param string $content The value to go in the XML textContent |
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* @throws \Exception on failure |
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* @return void |
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*/ |
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protected function validateContent(string $content): void |
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{ |
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// Note: content must already be sanitized before validating |
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Assert::stringPlausibleBase64($content); |
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} |
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} |
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simplesamlphp /
xml-common
