Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory : /home/corals/old/vendor/laminas/laminas-feed/src/Reader/Entry/ |
<?php
declare(strict_types=1);
namespace Laminas\Feed\Reader\Entry;
use DateTime;
use DateTimeInterface;
use DOMElement;
use DOMNodeList;
use DOMXPath;
use Laminas\Feed\Reader;
use Laminas\Feed\Reader\Exception;
use Laminas\Feed\Reader\Exception\RuntimeException;
use Laminas\Feed\Reader\Extension\Atom\Entry as AtomEntry;
use Laminas\Feed\Reader\Extension\Content\Entry as ContentEntry;
use Laminas\Feed\Reader\Extension\DublinCore\Entry as DublinCoreEntry;
use Laminas\Feed\Reader\Extension\Slash\Entry as SlashEntry;
use Laminas\Feed\Reader\Extension\Thread\Entry as ThreadEntry;
use Laminas\Feed\Reader\Extension\WellFormedWeb\Entry as WellFormedWebEntry;
use stdClass;
use function array_key_exists;
use function count;
use function date_create_from_format;
use function in_array;
use function is_array;
use function is_string;
use function preg_match;
use function strtotime;
use function trim;
class Rss extends AbstractEntry implements EntryInterface
{
/**
* XPath query for RDF
*
* @var string
*/
protected $xpathQueryRdf = '';
/**
* XPath query for RSS
*
* @var string
*/
protected $xpathQueryRss = '';
/**
* @param string $entryKey
* @param null|string $type
*/
public function __construct(DOMElement $entry, $entryKey, $type = null)
{
parent::__construct($entry, $entryKey, $type);
$this->xpathQueryRss = '//item[' . ($this->entryKey + 1) . ']';
$this->xpathQueryRdf = '//rss:item[' . ($this->entryKey + 1) . ']';
$manager = Reader\Reader::getExtensionManager();
$extensions = [
'DublinCore\Entry',
'Content\Entry',
'Atom\Entry',
'WellFormedWeb\Entry',
'Slash\Entry',
'Thread\Entry',
];
foreach ($extensions as $name) {
$extension = $manager->get($name);
$extension->setEntryElement($entry);
$extension->setEntryKey($entryKey);
$extension->setType($type);
$this->extensions[$name] = $extension;
}
}
/**
* @inheritDoc
* @param int $index
* @return null|array<string, string>
*/
public function getAuthor($index = 0)
{
$authors = $this->getAuthors();
return isset($authors[$index]) && is_array($authors[$index])
? $authors[$index]
: null;
}
/**
* Get an array with feed authors
*
* @return null|array
*/
public function getAuthors()
{
if (array_key_exists('authors', $this->data)) {
return $this->data['authors'];
}
$authors = [];
$authorsDc = $this->getDublinCoreExtension()->getAuthors();
if (! empty($authorsDc)) {
foreach ($authorsDc as $author) {
$authors[] = [
'name' => $author['name'],
];
}
}
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$list = $this->xpath->query($this->xpathQueryRss . '//author');
} else {
$list = $this->xpath->query($this->xpathQueryRdf . '//rss:author');
}
if ($list instanceof DOMNodeList && $list->length) {
foreach ($list as $author) {
$string = trim($author->nodeValue);
$data = [];
// Pretty rough parsing - but it's a catchall
if (preg_match('/^.*@[^ ]*/', $string, $matches)) {
$data['email'] = trim($matches[0]);
if (preg_match('/\((.*)\)$/', $string, $matches)) {
$data['name'] = $matches[1];
}
$authors[] = $data;
}
}
}
if (count($authors) === 0) {
$authors = $this->getAtomExtension()->getAuthors();
} else {
$authors = new Reader\Collection\Author(
Reader\Reader::arrayUnique($authors)
);
}
if (count($authors) === 0) {
$authors = null;
}
$this->data['authors'] = $authors;
return $this->data['authors'];
}
/**
* Get the entry content
*
* @return string
*/
public function getContent()
{
if (array_key_exists('content', $this->data)) {
return $this->data['content'];
}
$content = $this->getContentExtension()->getContent();
if (empty($content)) {
$content = $this->getDescription();
}
if (empty($content)) {
$content = $this->getAtomExtension()->getContent();
}
$this->data['content'] = $content;
return $this->data['content'];
}
/**
* Get the entry's date of creation
*
* @return DateTime
*/
public function getDateCreated()
{
return $this->getDateModified();
}
/**
* Get the entry's date of modification
*
* @return DateTime
* @throws Exception\RuntimeException
*/
public function getDateModified()
{
if (array_key_exists('datemodified', $this->data)) {
return $this->data['datemodified'];
}
$date = null;
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$dateModified = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/pubDate)');
if ($dateModified) {
$dateModifiedParsed = strtotime($dateModified);
if ($dateModifiedParsed) {
$date = new DateTime('@' . $dateModifiedParsed);
} else {
$dateStandards = [
DateTime::RSS,
DateTime::RFC822,
DateTime::RFC2822,
null,
];
foreach ($dateStandards as $standard) {
try {
$date = date_create_from_format($standard, $dateModified);
break;
} catch (\Exception $e) {
if ($standard === null) {
throw new Exception\RuntimeException(
'Could not load date due to unrecognised format'
. ' (should follow RFC 822 or 2822): ' . $e->getMessage(),
0,
$e
);
}
}
}
}
}
}
if (! $date instanceof DateTimeInterface) {
$date = $this->getDublinCoreExtension()->getDate();
}
if (! $date instanceof DateTimeInterface) {
$date = $this->getAtomExtension()->getDateModified();
}
if (! $date instanceof DateTimeInterface) {
$date = null;
}
$this->data['datemodified'] = $date;
return $this->data['datemodified'];
}
/**
* Get the entry description
*
* @return null|string
*/
public function getDescription()
{
if (array_key_exists('description', $this->data)) {
return $this->data['description'];
}
$rssTypes = [
Reader\Reader::TYPE_RSS_090,
Reader\Reader::TYPE_RSS_10,
];
$description = in_array($this->getType(), $rssTypes, true)
? $this->xpath->evaluate('string(' . $this->xpathQueryRdf . '/rss:description)')
: $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/description)');
if (! $description) {
$description = $this->getDublinCoreExtension()->getDescription();
}
if (empty($description)) {
$description = $this->getAtomExtension()->getDescription();
}
$this->data['description'] = is_string($description) ? $description : null;
return $this->data['description'];
}
/**
* Get the entry enclosure
*
* @return null|object{url?: string, href?: string, length: int, type: string}
*/
public function getEnclosure()
{
if (array_key_exists('enclosure', $this->data)) {
return $this->data['enclosure'];
}
$enclosure = null;
if ($this->getType() === Reader\Reader::TYPE_RSS_20) {
$nodeList = $this->xpath->query($this->xpathQueryRss . '/enclosure');
if ($nodeList instanceof DOMNodeList && $nodeList->length > 0) {
/** @var DOMElement $node */
$node = $nodeList->item(0);
$enclosure = new stdClass();
$enclosure->url = $node->getAttribute('url');
$enclosure->length = $node->getAttribute('length');
$enclosure->type = $node->getAttribute('type');
}
}
if (! $enclosure) {
$enclosure = $this->getAtomExtension()->getEnclosure();
}
$this->data['enclosure'] = $enclosure;
return $this->data['enclosure'];
}
/**
* Get the entry ID
*
* @return string
*/
public function getId()
{
if (array_key_exists('id', $this->data)) {
return $this->data['id'];
}
$id = null;
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$id = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/guid)');
}
if (! $id) {
$id = $this->getDublinCoreExtension()->getId();
}
if (empty($id)) {
$id = $this->getAtomExtension()->getId();
}
if (! $id) {
if ($this->getPermalink()) {
$id = $this->getPermalink();
} elseif ($this->getTitle()) {
$id = $this->getTitle();
} else {
$id = null;
}
}
$this->data['id'] = $id;
return $this->data['id'];
}
/**
* Get a specific link
*
* @param int $index
* @return null|string
*/
public function getLink($index = 0)
{
if (! array_key_exists('links', $this->data)) {
$this->getLinks();
}
return isset($this->data['links'][$index]) && is_string($this->data['links'][$index])
? $this->data['links'][$index]
: null;
}
/**
* Get all links
*
* @return array
*/
public function getLinks()
{
if (array_key_exists('links', $this->data)) {
return $this->data['links'];
}
$links = [];
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$list = $this->xpath->query($this->xpathQueryRss . '//link');
} else {
$list = $this->xpath->query($this->xpathQueryRdf . '//rss:link');
}
if ($list instanceof DOMNodeList && $list->length) {
foreach ($list as $link) {
$links[] = $link->nodeValue;
}
} else {
$links = $this->getAtomExtension()->getLinks();
}
$this->data['links'] = $links;
return $this->data['links'];
}
/**
* Get all categories
*
* @return Reader\Collection\Category
*/
public function getCategories()
{
if (array_key_exists('categories', $this->data)) {
return $this->data['categories'];
}
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$list = $this->xpath->query($this->xpathQueryRss . '//category');
} else {
$list = $this->xpath->query($this->xpathQueryRdf . '//rss:category');
}
if ($list instanceof DOMNodeList && $list->length) {
$categoryCollection = new Reader\Collection\Category();
foreach ($list as $category) {
$categoryCollection[] = [
'term' => $category->nodeValue,
'scheme' => $category->getAttribute('domain'),
'label' => $category->nodeValue,
];
}
} else {
$categoryCollection = $this->getDublinCoreExtension()->getCategories();
}
if (count($categoryCollection) === 0) {
$categoryCollection = $this->getAtomExtension()->getCategories();
}
$this->data['categories'] = $categoryCollection;
return $this->data['categories'];
}
/**
* Get a permalink to the entry
*
* @return string
*/
public function getPermalink()
{
return $this->getLink(0);
}
/**
* Get the entry title
*
* @return string
*/
public function getTitle()
{
if (array_key_exists('title', $this->data)) {
return $this->data['title'];
}
$title = $this->getType() !== Reader\Reader::TYPE_RSS_10 && $this->getType() !== Reader\Reader::TYPE_RSS_090
? $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/title)')
: $this->xpath->evaluate('string(' . $this->xpathQueryRdf . '/rss:title)');
if (! $title) {
$title = $this->getDublinCoreExtension()->getTitle();
}
if (! $title) {
$title = $this->getAtomExtension()->getTitle();
}
$this->data['title'] = is_string($title) ? $title : '';
return $this->data['title'];
}
/**
* Get the number of comments/replies for current entry
*
* @return int
*/
public function getCommentCount()
{
if (array_key_exists('commentcount', $this->data)) {
return $this->data['commentcount'];
}
$commentcount = $this->getSlashExtension()->getCommentCount();
if (! $commentcount) {
$commentcount = $this->getThreadExtension()->getCommentCount();
}
if (! $commentcount) {
$commentcount = $this->getAtomExtension()->getCommentCount();
}
if (! $commentcount) {
$commentcount = 0;
}
$this->data['commentcount'] = $commentcount;
return $this->data['commentcount'];
}
/**
* Returns a URI pointing to the HTML page where comments can be made on this entry
*
* @return string
*/
public function getCommentLink()
{
if (array_key_exists('commentlink', $this->data)) {
return $this->data['commentlink'];
}
$commentlink = null;
if (
$this->getType() !== Reader\Reader::TYPE_RSS_10
&& $this->getType() !== Reader\Reader::TYPE_RSS_090
) {
$commentlink = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/comments)');
}
if (! $commentlink) {
$commentlink = $this->getAtomExtension()->getCommentLink();
}
if (! $commentlink) {
$commentlink = null;
}
$this->data['commentlink'] = $commentlink;
return $this->data['commentlink'];
}
/**
* Returns a URI pointing to a feed of all comments for this entry
*
* @return string
*/
public function getCommentFeedLink()
{
if (array_key_exists('commentfeedlink', $this->data)) {
return $this->data['commentfeedlink'];
}
$commentfeedlink = $this->getWellFormedWebExtension()->getCommentFeedLink();
if (! $commentfeedlink) {
$commentfeedlink = $this->getAtomExtension()->getCommentFeedLink('rss');
}
if (! $commentfeedlink) {
$commentfeedlink = $this->getAtomExtension()->getCommentFeedLink('rdf');
}
if (! $commentfeedlink) {
$commentfeedlink = null;
}
$this->data['commentfeedlink'] = $commentfeedlink;
return $this->data['commentfeedlink'];
}
/**
* Set the XPath query (incl. on all Extensions)
*
* @return void
*/
public function setXpath(DOMXPath $xpath)
{
parent::setXpath($xpath);
foreach ($this->extensions as $extension) {
$extension->setXpath($this->xpath);
}
}
private function getAtomExtension(): AtomEntry
{
$extension = $this->getExtension('Atom');
if (! $extension instanceof AtomEntry) {
throw new RuntimeException('Unable to load Atom entry extension');
}
return $extension;
}
private function getContentExtension(): ContentEntry
{
$extension = $this->getExtension('Content');
if (! $extension instanceof ContentEntry) {
throw new RuntimeException('Unable to load Content entry extension');
}
return $extension;
}
private function getDublinCoreExtension(): DublinCoreEntry
{
$extension = $this->getExtension('DublinCore');
if (! $extension instanceof DublinCoreEntry) {
throw new RuntimeException('Unable to load DublinCore entry extension');
}
return $extension;
}
private function getSlashExtension(): SlashEntry
{
$extension = $this->getExtension('Slash');
if (! $extension instanceof SlashEntry) {
throw new RuntimeException('Unable to load Slash entry extension');
}
return $extension;
}
private function getThreadExtension(): ThreadEntry
{
$extension = $this->getExtension('Thread');
if (! $extension instanceof ThreadEntry) {
throw new RuntimeException('Unable to load Thread entry extension');
}
return $extension;
}
private function getWellFormedWebExtension(): WellFormedWebEntry
{
$extension = $this->getExtension('WellFormedWeb');
if (! $extension instanceof WellFormedWebEntry) {
throw new RuntimeException('Unable to load WellFormedWeb entry extension');
}
return $extension;
}
}