Add securitypolicy classes

resources/schemas/ws-securitypolicy-1.2.xsd

@@ -101,7 +101,7 @@ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
     <xs:anyAttribute namespace="##any" processContents="lax" />
   </xs:complexType>
 
-  <xs:element name="RequiredParts" type="tns:SePartsType" >
+  <xs:element name="RequiredParts" type="tns:ReqPartsType" >
     <xs:annotation>
       <xs:documentation xml:lang="en">
         4.3.2 RequiredParts Assertion

src/Utils/XPath.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SimpleSAML\WSSecurity\Utils;
+
+use DOMNode;
+use DOMXPath;
+use SimpleSAML\WSSecurity\Constants as C;
+
+/**
+ * Compilation of utilities for XPath.
+ *
+ * @package tvdijen/wssecurity
+ */
+class XPath extends \SimpleSAML\XMLSecurity\Utils\XPath
+{
+    /**
+     * Get a DOMXPath object that can be used to search for WS Security elements.
+     *
+     * @param \DOMNode $node The document to associate to the DOMXPath object.
+     *
+     * @return \DOMXPath A DOMXPath object ready to use in the given document, with several
+     *   ws-related namespaces already registered.
+     */
+    public static function getXPath(DOMNode $node): DOMXPath
+    {
+        $xp = parent::getXPath($node);
+
+        $xp->registerNamespace('addr', C::NS_ADDR);
+        $xp->registerNamespace('auth', C::NS_AUTH);
+        $xp->registerNamespace('fed', C::NS_FED);
+        $xp->registerNamespace('trust', C::NS_TRUST);
+        $xp->registerNamespace('policy', C::NS_POLICY);
+        $xp->registerNamespace('sp', C::NS_SEC_POLICY);
+        $xp->registerNamespace('wsse', C::NS_SEC_EXT);
+        $xp->registerNamespace('wsu', C::NS_SEC_UTIL);
+
+        return $xp;
+    }
+}

src/XML/sp/AbstractEmptyType.php

@@ -6,10 +6,6 @@
 
 use DOMElement;
 use SimpleSAML\Assert\Assert;
-/use SimpleSAML\XML\Exception\InvalidDOMElementException;
-//use SimpleSAML\XML\Exception\SchemaViolationException;
-use SimpleSAML\XML\ExtendableAttributesTrait;
-use SimpleSAML\XML\XsNamespace as NS;
 
 use function sprintf;
 
@@ -20,26 +16,16 @@
  */
 abstract class AbstractEmptyType extends AbstractSpElement
 {
-    use ExtendableAttributesTrait;
-
-    /** The namespace-attribute for the xs:anyAttribute element */
-    public const XS_ANY_ATTR_NAMESPACE = NS::ANY;
-
-
     /**
-     * AbstractQNameAssertionType constructor.
-     *
-     * @param list<\SimpleSAML\XML\Attribute> $namespacedAttributes
+     * AbstractEmptyType constructor.
      */
     final public function __construct(
-        array $namespacedAttributes = []
     ) {
-        $this->setAttributesNS($namespacedAttributes);
     }
 
 
     /**
-     * Initialize an QNameAssertionType.
+     * Initialize an EmptyType.
      *
      * Note: this method cannot be used when extending this class, if the constructor has a different signature.
      *
@@ -55,12 +41,12 @@ public static function fromXML(DOMElement $xml): static
         Assert::eq(
             $xml->localName,
             $qualifiedName,
-            sprintf('Unexpected name for Empty: %s. Expected: %s.', $xml->localName, $qualifiedName),
+            sprintf('Unexpected name for EmptyType: %s. Expected: %s.', $xml->localName, $qualifiedName),
             InvalidDOMElementException::class
         );
 
 
-        return new static(self::getAttributesNSFromXML($xml));
+        return new static();
     }
 
 
@@ -72,12 +58,6 @@ public static function fromXML(DOMElement $xml): static
      */
     public function toXML(DOMElement $parent = null): DOMElement
     {
-        $e = $this->instantiateParentElement($parent);
-
-        foreach ($this->getAttributesNS() as $attr) {
-            $attr->toXML($e);
-        }
-
-        return $e;
+        return $this->instantiateParentElement($parent);
     }
 }

src/XML/sp/AbstractHeaderType.php

@@ -0,0 +1,128 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SimpleSAML\WSSecurity\XML\sp;
+
+use DOMElement;
+use SimpleSAML\Assert\Assert;
+use SimpleSAML\XML\ExtendableAttributesTrait;
+use SimpleSAML\XML\XsNamespace as NS;
+
+use function sprintf;
+
+/**
+ * Class representing WS security policy HeaderType.
+ *
+ * @package tvdijen/ws-security
+ */
+abstract class AbstractHeaderType extends AbstractSpElement
+{
+    use ExtendableAttributesTrait;
+
+    /** The namespace-attribute for the xs:anyAttribute element */
+    public const XS_ANY_ATTR_NAMESPACE = NS::ANY;
+
+
+    /**
+     * AbstractHeaderType constructor.
+     *
+     * @param string $namespace
+     * @param string|null $name
+     * @param list<\SimpleSAML\XML\Attribute> $namespacedAttributes
+     */
+    final public function __construct(
+        protected string $namespace,
+        protected ?string $name = null,
+        array $namespacedAttributes = []
+    ) {
+        Assert::nullOrValidURI($namespace);
+        Assert::validQName($name);
+
+        $this->setAttributesNS($namespacedAttributes);
+    }
+
+
+    /**
+     * Collect the value of the Name property.
+     *
+     * @return string
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+
+    /**
+     * Collect the value of the Namespace property.
+     *
+     * @return string
+     */
+    public function getNamespace(): string
+    {
+        return $this->namespace;
+    }
+
+
+    /**
+     * Initialize an HeaderType.
+     *
+     * Note: this method cannot be used when extending this class, if the constructor has a different signature.
+     *
+     * @param \DOMElement $xml The XML element we should load.
+     * @return static
+     *
+     * @throws \SimpleSAML\XML\Exception\InvalidDOMElementException
+     *   if the qualified name of the supplied element is wrong
+     */
+    public static function fromXML(DOMElement $xml): static
+    {
+        $qualifiedName = static::getClassName(static::class);
+        Assert::eq(
+            $xml->localName,
+            $qualifiedName,
+            sprintf('Unexpected name for HeaderType: %s. Expected: %s.', $xml->localName, $qualifiedName),
+            InvalidDOMElementException::class
+        );
+
+        $namespacedAttributes = self::getAttributesNSFromXML($xml);
+        foreach ($namespacedAttributes as $i => $attr) {
+            if ($attr->getNamespaceURI() === null) {
+                if ($attr->getAttrName() === 'Name' || $attr->getAttrName() === 'Namespace') {
+                    unset($namespacedAttributes[$i]);
+                }
+            }
+        }
+
+        return new static(
+            self::getAttribute($xml, 'Namespace'),
+            self::getOptionalAttribute($xml, 'Name', null),
+            $namespacedAttributes,
+        );
+    }
+
+
+    /**
+     * Convert this element to XML.
+     *
+     * @param \DOMElement|null $parent The element we should append this element to.
+     * @return \DOMElement
+     */
+    public function toXML(DOMElement $parent = null): DOMElement
+    {
+        $e = $this->instantiateParentElement($parent);
+
+        if ($this->getName() !== null) {
+            $e->setAttribute('Name', $this->getName());
+        }
+
+        $e->setAttribute('Namespace', $this->getNamespace());
+
+        foreach ($this->getAttributesNS() as $attr) {
+            $attr->toXML($e);
+        }
+
+        return $e;
+    }
+}

src/XML/sp/AbstractReqPartsType.php

@@ -0,0 +1,142 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SimpleSAML\WSSecurity\XML\sp;
+
+use DOMElement;
+use SimpleSAML\Assert\Assert;
+use SimpleSAML\XML\Chunk;
+use SimpleSAML\XML\ExtendableAttributesTrait;
+use SimpleSAML\XML\ExtendableElementTrait;
+use SimpleSAML\XML\XsNamespace as NS;
+
+use function array_pop;
+use function sprintf;
+
+/**
+ * Class representing WS security policy AbstractReqPartsType.
+ *
+ * @package tvdijen/ws-security
+ */
+abstract class AbstractReqPartsType extends AbstractSpElement
+{
+    use ExtendableElementTrait;
+    use ExtendableAttributesTrait;
+
+    /** The namespace-attribute for the xs:any element */
+    public const XS_ANY_ELT_NAMESPACE = NS::OTHER;
+
+    /** The namespace-attribute for the xs:anyAttribute element */
+    public const XS_ANY_ATTR_NAMESPACE = NS::ANY;
+
+
+    /**
+     * AbstractReqPartsType constructor.
+     *
+     * @param \SimpleSAML\WSSecurity\XML\sp\Header[] $header
+     * @param \SimpleSAML\XML\Chunk[] $details
+     * @param \SimpleSAML\XML\Attribute[] $namespacedAttributes
+     */
+    final public function __construct(
+        protected array $header = [],
+        array $details = [],
+        array $namespacedAttributes = []
+    ) {
+        $this->setElements($details);
+        $this->setAttributesNS($namespacedAttributes);
+    }
+
+
+    /**
+     * Collect the Header
+     *
+     * @return \SimpleSAML\WSSecurity\XML\sp\Header[]
+     */
+    public function getHeader(): array
+    {
+        return $this->header;
+    }
+
+
+    /**
+     * Test if an object, at the state it's in, would produce an empty XML-element
+     *
+     * @return bool
+     */
+    public function isEmptyElement(): bool
+    {
+        return empty($this->getElements())
+            && empty($this->getHeader())
+            && empty($this->getAttributesNS());
+    }
+
+
+    /**
+     * Initialize an ReqPartsType.
+     *
+     * Note: this method cannot be used when extending this class, if the constructor has a different signature.
+     *
+     * @param \DOMElement $xml The XML element we should load.
+     * @return static
+     *
+     * @throws \SimpleSAML\XML\Exception\InvalidDOMElementException
+     *   if the qualified name of the supplied element is wrong
+     */
+    public static function fromXML(DOMElement $xml): static
+    {
+        $qualifiedName = static::getClassName(static::class);
+        Assert::eq(
+            $xml->localName,
+            $qualifiedName,
+            sprintf('Unexpected name for Empty: %s. Expected: %s.', $xml->localName, $qualifiedName),
+            InvalidDOMElementException::class
+        );
+
+        $header = Header::getChildrenOfClass($xml);
+        Assert::maxcount($header, 1, TooManyElementsException::class);
+
+        $details = [];
+        foreach ($xml->childNodes as $detail) {
+            if (!($detail instanceof DOMElement)) {
+                continue;
+            } elseif ($detail->namespaceURI === static::NS) {
+                continue;
+            }
+
+            $details[] = new Chunk($detail);
+        }
+
+        return new static(
+            $header,
+            $details,
+            self::getAttributesNSFromXML($xml),
+        );
+    }
+
+
+    /**
+     * Convert this element to XML.
+     *
+     * @param \DOMElement|null $parent The element we should append this element to.
+     * @return \DOMElement
+     */
+    public function toXML(DOMElement $parent = null): DOMElement
+    {
+        $e = $this->instantiateParentElement($parent);
+
+        foreach ($this->getHeader() as $header) {
+            $header->toXML($e);
+        }
+
+        foreach ($this->getElements() as $elt) {
+            $elt->toXML($e);
+        }
+
+        foreach ($this->getAttributesNS() as $attr) {
+            $attr->toXML($e);
+        }
+
+        return $e;
+    }
+}