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<?php |
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use DOMXPath; |
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namespace SimpleSAML\XMLSecurity; |
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/** |
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* xmlseclibs.php |
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* |
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* Copyright (c) 2007-2017, Robert Richards <[email protected]>. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* * Neither the name of Robert Richards nor the names of his |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @copyright 2007-2017 Robert Richards <[email protected]> |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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*/ |
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class XMLSecurityDSig extends \RobRichards\XMLSecLibs\XMLSecurityDSig |
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{ |
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/** @var string */ |
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private $prefix = ''; |
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/** |
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* @return bool |
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* @throws Exception |
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*/ |
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public function validateReference() |
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{ |
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$sigNode = $this->sigNode; |
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$docElem = $sigNode->ownerDocument->documentElement; |
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// enveloped signature, remove it |
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if (!$docElem->isSameNode($sigNode)) { |
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if ($sigNode->parentNode !== null) { |
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$sigNode->parentNode->removeChild($sigNode); |
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} |
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} |
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$xpath = $this->getXPathObj(); |
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$query = "./secdsig:SignedInfo[1]/secdsig:Reference"; |
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$nodeset = $xpath->query($query, $sigNode); |
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if ($nodeset->length < 1) { |
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throw new Exception("Reference nodes not found"); |
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} |
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/* Initialize/reset the list of validated nodes. */ |
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$this->validatedNodes = []; |
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foreach ($nodeset as $refNode) { |
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if (!$this->processRefNode($refNode)) { |
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/* Clear the list of validated nodes. */ |
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$this->validatedNodes = null; |
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throw new Exception("Reference validation failed"); |
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} |
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} |
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return true; |
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} |
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/** |
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* Returns the XPathObj or null if xPathCtx is set and sigNode is empty. |
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* |
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* @return DOMXPath|null |
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*/ |
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private function getXPathObj() |
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{ |
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if (empty($this->xPathCtx) && ! empty($this->sigNode)) { |
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$xpath = new DOMXPath($this->sigNode->ownerDocument); |
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$xpath->registerNamespace('secdsig', self::XMLDSIGNS); |
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$this->xPathCtx = $xpath; |
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} |
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return $this->xPathCtx; |
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} |
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/** |
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* Reset the XPathObj to null |
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*/ |
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private function resetXPathObj() |
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{ |
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$this->xPathCtx = null; |
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} |
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} |
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simplesamlphp /
xml-security
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