XML::canonicalizeData() - Code Metrics - simplesamlphp/xml-security - Measure and Improve Code Quality continuously with Scrutinizer

XML::canonicalizeData() B
last analyzed 2025-10-28 08:23 UTC

↳ Parent: XML

Complexity

Conditions	10
Paths	5

Size

Total Lines	38
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
cc	10
eloc	20
c	2
b	1
f	0
nc	5
nop	4
dl	0
loc	38
rs	7.6666

How to fix Complexity

<?php

declare(strict_types=1);

namespace SimpleSAML\XMLSecurity\Utils;

use DOMElement;
use SimpleSAML\XMLSecurity\Constants as C;
use SimpleSAML\XMLSecurity\XML\ds\Transforms;
use SimpleSAML\XPath\Constants as XPATH_C;

use function array_map;
use function is_null;

/**
 * Class with utility methods for XML manipulation.
 *
 * @package simplesamlphp/xml-security
 */
class XML
{
    /**
     * Canonicalize any given node.
     *
     * @param \DOMElement $element The DOM element that needs canonicalization.
     * @param string $c14nMethod The identifier of the canonicalization algorithm to use.
     *   See \SimpleSAML\XMLSecurity\Constants.
     * @param string[]|null $xpaths An array of xpaths to filter the nodes by. Defaults to null (no filters).
     * @param string[]|null $prefixes An array of namespace prefixes to filter the nodes by.
     *   Defaults to null (no filters).
     *
     * @return string The canonical representation of the given DOM node, according to the algorithm requested.
     */
    public static function canonicalizeData(
        DOMElement $element,
        string $c14nMethod,
        ?array $xpaths = null,
        ?array $prefixes = null,
    ): string {
        $withComments = match ($c14nMethod) {
            C::C14N_EXCLUSIVE_WITH_COMMENTS, C::C14N_INCLUSIVE_WITH_COMMENTS => true,
            default => false,
        };
        $exclusive = match ($c14nMethod) {
            C::C14N_EXCLUSIVE_WITH_COMMENTS, C::C14N_EXCLUSIVE_WITHOUT_COMMENTS => true,
            default => false,
        };

        if (
            is_null($xpaths)
            && ($element->ownerDocument !== null)
            && ($element->ownerDocument->documentElement !== null)
            && $element->isSameNode($element->ownerDocument->documentElement)
        ) {
            // check for any PI or comments as they would have been excluded
            $current = $element;
            for ($refNode = $current->previousSibling; $refNode !== null; $current = $refNode) {

                if (
                    (($refNode->nodeType === XML_COMMENT_NODE) && $withComments)
                    || $refNode->nodeType === XML_PI_NODE
                ) {
                    break;
                }
            }

            if ($refNode === null) {
                $element = $element->ownerDocument;
            }
        }

        return $element->C14N($exclusive, $withComments, $xpaths, $prefixes);
    }


    /**
     * Process all transforms specified by a given Reference element.
     *
     * @param \SimpleSAML\XMLSecurity\XML\ds\Transforms $transforms The transforms to apply.
     * @param \DOMElement $data The data referenced.
     *
     * @return string The canonicalized data after applying all transforms specified by $ref.
     *
     * @see http://www.w3.org/TR/xmldsig-core/#sec-ReferenceProcessingModel
     */
    public static function processTransforms(
        Transforms $transforms,
        DOMElement $data,
    ): string {
        $canonicalMethod = C::C14N_EXCLUSIVE_WITHOUT_COMMENTS;
        $arXPath = null;
        $prefixList = null;
        foreach ($transforms->getTransform() as $transform) {
            $canonicalMethod = $transform->getAlgorithm()->getValue();
            switch ($canonicalMethod) {
                case C::C14N_EXCLUSIVE_WITHOUT_COMMENTS:
                case C::C14N_EXCLUSIVE_WITH_COMMENTS:
                    $inclusiveNamespaces = $transform->getInclusiveNamespaces();
                    if ($inclusiveNamespaces !== null) {
                        $prefixes = $inclusiveNamespaces->getPrefixes();
                        if ($prefixes !== null) {
                            $prefixList = array_map('strval', $prefixes->toArray());
                        }
                    }
                    break;
                case XPATH_C::XPATH10_URI:
                    $xpath = $transform->getXPath();
                    if ($xpath !== null) {
                        $arXPath = [];
                        $arXPath['query'] = '(.//. | .//@* | .//namespace::*)[' . $xpath->getExpression() . ']';
//                        $arXpath['namespaces'] = $xpath->getNamespaces();
                        // TODO: review if $nsnode->localName is equivalent to the keys in getNamespaces()
//                        $nslist = $xp->query('./namespace::*', $node);
//                        foreach ($nslist as $nsnode) {
//                            if ($nsnode->localName != "xml") {
//                                $arXPath['namespaces'][$nsnode->localName] = $nsnode->nodeValue;
//                            }
//                        }
                    }
                    break;
            }
        }

        return self::canonicalizeData($data, $canonicalMethod, $arXPath, $prefixList);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace SimpleSAML\XMLSecurity\Utils;
6
7			use DOMElement;
8			use SimpleSAML\XMLSecurity\Constants as C;
9			use SimpleSAML\XMLSecurity\XML\ds\Transforms;
10			use SimpleSAML\XPath\Constants as XPATH_C;
11
12			use function array_map;
13			use function is_null;
14
15			/**
16			* Class with utility methods for XML manipulation.
17			*
18			* @package simplesamlphp/xml-security
19			*/
20			class XML
21			{
22			/**
23			* Canonicalize any given node.
24			*
25			* @param \DOMElement $element The DOM element that needs canonicalization.
26			* @param string $c14nMethod The identifier of the canonicalization algorithm to use.
27			* See \SimpleSAML\XMLSecurity\Constants.
28			* @param string[]\|null $xpaths An array of xpaths to filter the nodes by. Defaults to null (no filters).
29			* @param string[]\|null $prefixes An array of namespace prefixes to filter the nodes by.
30			* Defaults to null (no filters).
31			*
32			* @return string The canonical representation of the given DOM node, according to the algorithm requested.
33			*/
34			public static function canonicalizeData(
35			DOMElement $element,
36			string $c14nMethod,
37			?array $xpaths = null,
38			?array $prefixes = null,
39			): string {
40			$withComments = match ($c14nMethod) {
41			C::C14N_EXCLUSIVE_WITH_COMMENTS, C::C14N_INCLUSIVE_WITH_COMMENTS => true,
42			default => false,
43			};
44			$exclusive = match ($c14nMethod) {
45			C::C14N_EXCLUSIVE_WITH_COMMENTS, C::C14N_EXCLUSIVE_WITHOUT_COMMENTS => true,
46			default => false,
47			};
48
49			if (
50			is_null($xpaths)
51			&& ($element->ownerDocument !== null)
52			&& ($element->ownerDocument->documentElement !== null)
53			&& $element->isSameNode($element->ownerDocument->documentElement)
54			) {
55			// check for any PI or comments as they would have been excluded
56			$current = $element;
57			for ($refNode = $current->previousSibling; $refNode !== null; $current = $refNode) {
			0 ignored issues – show Unused Code introduced 2023-05-18 23:39 UTC by Report Bug Copy Issue Report The assignment to `$current` is dead and can be removed. Loading history...
58			if (
59			(($refNode->nodeType === XML_COMMENT_NODE) && $withComments)
60			\|\| $refNode->nodeType === XML_PI_NODE
61			) {
62			break;
63			}
64			}
65
66			if ($refNode === null) {
67			$element = $element->ownerDocument;
68			}
69			}
70
71			return $element->C14N($exclusive, $withComments, $xpaths, $prefixes);
72			}
73
74
75			/**
76			* Process all transforms specified by a given Reference element.
77			*
78			* @param \SimpleSAML\XMLSecurity\XML\ds\Transforms $transforms The transforms to apply.
79			* @param \DOMElement $data The data referenced.
80			*
81			* @return string The canonicalized data after applying all transforms specified by $ref.
82			*
83			* @see http://www.w3.org/TR/xmldsig-core/#sec-ReferenceProcessingModel
84			*/
85			public static function processTransforms(
86			Transforms $transforms,
87			DOMElement $data,
88			): string {
89			$canonicalMethod = C::C14N_EXCLUSIVE_WITHOUT_COMMENTS;
90			$arXPath = null;
91			$prefixList = null;
92			foreach ($transforms->getTransform() as $transform) {
93			$canonicalMethod = $transform->getAlgorithm()->getValue();
94			switch ($canonicalMethod) {
95			case C::C14N_EXCLUSIVE_WITHOUT_COMMENTS:
96			case C::C14N_EXCLUSIVE_WITH_COMMENTS:
97			$inclusiveNamespaces = $transform->getInclusiveNamespaces();
98			if ($inclusiveNamespaces !== null) {
99			$prefixes = $inclusiveNamespaces->getPrefixes();
100			if ($prefixes !== null) {
101			$prefixList = array_map('strval', $prefixes->toArray());
102			}
103			}
104			break;
105			case XPATH_C::XPATH10_URI:
106			$xpath = $transform->getXPath();
107			if ($xpath !== null) {
108			$arXPath = [];
109			$arXPath['query'] = '(.//. \| .//@* \| .//namespace::*)[' . $xpath->getExpression() . ']';
110			// $arXpath['namespaces'] = $xpath->getNamespaces();
111			// TODO: review if $nsnode->localName is equivalent to the keys in getNamespaces()
112			// $nslist = $xp->query('./namespace::*', $node);
113			// foreach ($nslist as $nsnode) {
114			// if ($nsnode->localName != "xml") {
115			// $arXPath['namespaces'][$nsnode->localName] = $nsnode->nodeValue;
116			// }
117			// }
118			}
119			break;
120			}
121			}
122
123			return self::canonicalizeData($data, $canonicalMethod, $arXPath, $prefixList);
124			}
125			}
126

simplesamlphp / xml-security

XML::canonicalizeData() B last analyzed 2025-10-28 08:23 UTC

Complexity

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Duplication

Importance

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XML::canonicalizeData() B
last analyzed 2025-10-28 08:23 UTC