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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| <?php | ||
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| namespace App\Facades; | ||
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| use App\Models\Entity; | ||
| use App\Services\RsTagService; | ||
| use DOMXPath; | ||
| use Illuminate\Support\Facades\Facade; | ||
|
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| /** | ||
| * Class RsTagFacade | ||
| * | ||
| * @method static string create(Entity $entity) | ||
| * @method static void delete(Entity $entity) | ||
| * @method static void update(Entity $entity) | ||
| * @method static bool hasResearchAndScholarshipTag(string $xml_document) | ||
| * @method static void deleteByXpath( DOMXPath $xPath) | ||
| */ | ||
| class RsTag extends Facade | ||
| { | ||
| protected static function getFacadeAccessor() | ||
| { | ||
| return RsTagService::class; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| <?php | ||
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| namespace App\Services; | ||
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| use App\Models\Entity; | ||
| use App\Traits\EntitiesXML\TagTrait; | ||
| use App\Traits\ValidatorTrait; | ||
| use DOMXPath; | ||
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| class RsTagService | ||
| { | ||
| use TagTrait,ValidatorTrait; | ||
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| private string $value = 'http://refeds.org/category/research-and-scholarship'; | ||
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| public function create(Entity $entity): false|string | ||
| { | ||
| $mdURI = config('xmlNameSpace.md'); | ||
| $mdattrURI = config('xmlNameSpace.mdattr'); | ||
| $samlURI = config('xmlNameSpace.saml'); | ||
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| $xml_document = $entity->xml_file; | ||
| $isIdp = $entity->type == 'idp'; | ||
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| $dom = $this->createDOM($xml_document); | ||
| $xPath = $this->createXPath($dom); | ||
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| $rootTag = $this->getRootTag($xPath, $dom); | ||
| $extensions = $this->getOrCreateExtensions($xPath, $dom, $rootTag, $mdURI); | ||
| $entityAttributes = $this->getOrCreateEntityAttributes($xPath, $dom, $extensions, $mdattrURI); | ||
| $attribute = $this->getOrCreateAttribute($xPath, $dom, $entityAttributes, $samlURI, $isIdp); | ||
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| $attributeValue = $dom->createElementNS($samlURI, 'saml:AttributeValue', 'http://refeds.org/category/research-and-scholarship'); | ||
| $attribute->appendChild($attributeValue); | ||
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| $dom->normalize(); | ||
|
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| return $dom->saveXML(); | ||
| } | ||
|
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| public function delete(Entity $entity): void | ||
| { | ||
|
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| $dom = $this->createDOM($entity->xml_file); | ||
| $xPath = $this->createXPath($dom); | ||
| $this->deleteByXpath($xPath); | ||
| } | ||
|
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| public function deleteByXpath(DOMXPath $xPath): void | ||
| { | ||
| $xpathQuery = $this->buildXPathQuery(); | ||
| $this->DeleteAllTags($xpathQuery, $xPath); | ||
| } | ||
|
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| public function update(Entity $entity): void | ||
| { | ||
| if ($entity->rs) { | ||
|
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| if (! $this->hasResearchAndScholarshipTag($entity->xml_file)) { | ||
| $this->create($entity); | ||
| } | ||
|
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| } else { | ||
| if ($this->hasResearchAndScholarshipTag($entity->xml_file)) { | ||
| $this->delete($entity); | ||
| } | ||
| } | ||
|
|
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| } | ||
|
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| private function hasResearchAndScholarshipTag(string $xml_document): bool | ||
| { | ||
| try { | ||
| $dom = $this->createDOM($xml_document); | ||
| $xPath = $this->createXPath($dom); | ||
| $xpathQuery = "//saml:AttributeValue[text()='$this->value']"; | ||
|
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| $nodes = $xPath->query($xpathQuery); | ||
|
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| if ($nodes === false) { | ||
| throw new \RuntimeException('Error executing XPath query'); | ||
| } | ||
|
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| return $nodes->length > 0; | ||
| } catch (\Exception $e) { | ||
| throw new \RuntimeException('An error occurred while checking for the tag: '.$e->getMessage()); | ||
| } | ||
| } | ||
|
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| private function buildXPathQuery(): string | ||
| { | ||
| return "//saml:AttributeValue[text()='$this->value']"; | ||
| } | ||
|
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| private function getRootTag(\DOMXPath $xPath, \DOMDocument $dom): \DOMNode | ||
| { | ||
| $rootTag = $xPath->query("//*[local-name()='EntityDescriptor']")->item(0); | ||
| if (! $rootTag) { | ||
| throw new \RuntimeException('Root tag EntityDescriptor not found'); | ||
| } | ||
|
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| return $rootTag; | ||
| } | ||
|
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| private function getOrCreateAttribute(\DOMXPath $xPath, \DOMDocument $dom, \DOMNode $entityAttributes, string $samlURI, bool $isIdp): \DOMNode | ||
| { | ||
| $attribute = $xPath->query('//mdattr:EntityAttributes/saml:Attribute', $entityAttributes); | ||
| if ($attribute->length === 0) { | ||
| $attribute = $dom->createElementNS($samlURI, 'saml:Attribute'); | ||
| $attribute->setAttribute('NameFormat', 'urn:oasis:names:tc:SAML:2.0:attrname-format:uri'); | ||
| $attribute->setAttribute('Name', $isIdp ? 'http://macedir.org/entity-category-support' : 'http://macedir.org/entity-category'); | ||
| $entityAttributes->appendChild($attribute); | ||
| } else { | ||
| $attribute = $attribute->item(0); | ||
| } | ||
|
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| return $attribute; | ||
| } | ||
|
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| private function getOrCreateEntityAttributes(\DOMXPath $xPath, \DOMDocument $dom, \DOMNode $extensions, string $mdattrURI): \DOMNode | ||
| { | ||
| $entityAttributes = $xPath->query('//mdattr:EntityAttributes'); | ||
| if ($entityAttributes->length === 0) { | ||
| $entityAttributes = $dom->createElementNS($mdattrURI, 'mdattr:EntityAttributes'); | ||
| $extensions->appendChild($entityAttributes); | ||
| } else { | ||
| $entityAttributes = $entityAttributes->item(0); | ||
| } | ||
|
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| return $entityAttributes; | ||
| } | ||
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| private function getOrCreateExtensions(\DOMXPath $xPath, \DOMDocument $dom, \DOMNode $rootTag, string $mdURI): \DOMNode | ||
| { | ||
| $extensions = $xPath->query('//md:Extensions'); | ||
| if ($extensions->length === 0) { | ||
| $extensions = $dom->createElementNS($mdURI, 'md:Extensions'); | ||
| $rootTag->appendChild($extensions); | ||
| } else { | ||
| $extensions = $extensions->item(0); | ||
| } | ||
|
|
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| return $extensions; | ||
| } | ||
| } |
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