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-rw-r--r--lib/FeedExpander.php857
1 files changed, 452 insertions, 405 deletions
diff --git a/lib/FeedExpander.php b/lib/FeedExpander.php
index b84c608a..b79bf3a8 100644
--- a/lib/FeedExpander.php
+++ b/lib/FeedExpander.php
@@ -1,4 +1,5 @@
<?php
+
/**
* This file is part of RSS-Bridge, a PHP project capable of generating RSS and
* Atom feeds for websites that don't have one.
@@ -6,9 +7,9 @@
* For the full license information, please view the UNLICENSE file distributed
* with this source code.
*
- * @package Core
- * @license http://unlicense.org/ UNLICENSE
- * @link https://github.com/rss-bridge/rss-bridge
+ * @package Core
+ * @license http://unlicense.org/ UNLICENSE
+ * @link https://github.com/rss-bridge/rss-bridge
*/
/**
@@ -32,406 +33,452 @@
* @todo The parsing functions should all be private. This class is complicated
* enough without having to consider children overriding functions.
*/
-abstract class FeedExpander extends BridgeAbstract {
-
- /** Indicates an RSS 1.0 feed */
- const FEED_TYPE_RSS_1_0 = 'RSS_1_0';
-
- /** Indicates an RSS 2.0 feed */
- const FEED_TYPE_RSS_2_0 = 'RSS_2_0';
-
- /** Indicates an Atom 1.0 feed */
- const FEED_TYPE_ATOM_1_0 = 'ATOM_1_0';
-
- /**
- * Holds the title of the current feed
- *
- * @var string
- */
- private $title;
-
- /**
- * Holds the URI of the feed
- *
- * @var string
- */
- private $uri;
-
- /**
- * Holds the icon of the feed
- *
- */
- private $icon;
-
- /**
- * Holds the feed type during internal operations.
- *
- * @var string
- */
- private $feedType;
-
- /**
- * Collects data from an existing feed.
- *
- * Children should call this function in {@see BridgeInterface::collectData()}
- * to extract a feed.
- *
- * @param string $url URL to the feed.
- * @param int $maxItems Maximum number of items to collect from the feed
- * (`-1`: no limit).
- * @return self
- */
- public function collectExpandableDatas($url, $maxItems = -1){
- if(empty($url)) {
- returnServerError('There is no $url for this RSS expander');
- }
-
- Debug::log('Loading from ' . $url);
-
- /* Notice we do not use cache here on purpose:
- * we want a fresh view of the RSS stream each time
- */
-
- $mimeTypes = [
- MrssFormat::MIME_TYPE,
- AtomFormat::MIME_TYPE,
- '*/*',
- ];
- $httpHeaders = ['Accept: ' . implode(', ', $mimeTypes)];
- $content = getContents($url, $httpHeaders)
- or returnServerError('Could not request ' . $url);
- $rssContent = simplexml_load_string(trim($content));
-
- if ($rssContent === false) {
- throw new \Exception('Unable to parse string as xml');
- }
-
- Debug::log('Detecting feed format/version');
- switch(true) {
- case isset($rssContent->item[0]):
- Debug::log('Detected RSS 1.0 format');
- $this->feedType = self::FEED_TYPE_RSS_1_0;
- $this->collectRss1($rssContent, $maxItems);
- break;
- case isset($rssContent->channel[0]):
- Debug::log('Detected RSS 0.9x or 2.0 format');
- $this->feedType = self::FEED_TYPE_RSS_2_0;
- $this->collectRss2($rssContent, $maxItems);
- break;
- case isset($rssContent->entry[0]):
- Debug::log('Detected ATOM format');
- $this->feedType = self::FEED_TYPE_ATOM_1_0;
- $this->collectAtom1($rssContent, $maxItems);
- break;
- default:
- Debug::log('Unknown feed format/version');
- returnServerError('The feed format is unknown!');
- break;
- }
-
- return $this;
- }
-
- /**
- * Collect data from a RSS 1.0 compatible feed
- *
- * @link http://web.resource.org/rss/1.0/spec RDF Site Summary (RSS) 1.0
- *
- * @param string $rssContent The RSS content
- * @param int $maxItems Maximum number of items to collect from the feed
- * (`-1`: no limit).
- * @return void
- *
- * @todo Instead of passing $maxItems to all functions, just add all items
- * and remove excessive items later.
- */
- protected function collectRss1($rssContent, $maxItems){
- $this->loadRss2Data($rssContent->channel[0]);
- foreach($rssContent->item as $item) {
- Debug::log('parsing item ' . var_export($item, true));
- $tmp_item = $this->parseItem($item);
- if (!empty($tmp_item)) {
- $this->items[] = $tmp_item;
- }
- if($maxItems !== -1 && count($this->items) >= $maxItems) break;
- }
- }
-
- /**
- * Collect data from a RSS 2.0 compatible feed
- *
- * @link http://www.rssboard.org/rss-specification RSS 2.0 Specification
- *
- * @param object $rssContent The RSS content
- * @param int $maxItems Maximum number of items to collect from the feed
- * (`-1`: no limit).
- * @return void
- *
- * @todo Instead of passing $maxItems to all functions, just add all items
- * and remove excessive items later.
- */
- protected function collectRss2($rssContent, $maxItems){
- $rssContent = $rssContent->channel[0];
- Debug::log('RSS content is ===========\n'
- . var_export($rssContent, true)
- . '===========');
-
- $this->loadRss2Data($rssContent);
- foreach($rssContent->item as $item) {
- Debug::log('parsing item ' . var_export($item, true));
- $tmp_item = $this->parseItem($item);
- if (!empty($tmp_item)) {
- $this->items[] = $tmp_item;
- }
- if($maxItems !== -1 && count($this->items) >= $maxItems) break;
- }
- }
-
- /**
- * Collect data from a Atom 1.0 compatible feed
- *
- * @link https://tools.ietf.org/html/rfc4287 The Atom Syndication Format
- *
- * @param object $content The Atom content
- * @param int $maxItems Maximum number of items to collect from the feed
- * (`-1`: no limit).
- * @return void
- *
- * @todo Instead of passing $maxItems to all functions, just add all items
- * and remove excessive items later.
- */
- protected function collectAtom1($content, $maxItems){
- $this->loadAtomData($content);
- foreach($content->entry as $item) {
- Debug::log('parsing item ' . var_export($item, true));
- $tmp_item = $this->parseItem($item);
- if (!empty($tmp_item)) {
- $this->items[] = $tmp_item;
- }
- if($maxItems !== -1 && count($this->items) >= $maxItems) break;
- }
- }
-
- /**
- * Load RSS 2.0 feed data into RSS-Bridge
- *
- * @param object $rssContent The RSS content
- * @return void
- *
- * @todo set title, link, description, language, and so on
- */
- protected function loadRss2Data($rssContent){
- $this->title = trim((string)$rssContent->title);
- $this->uri = trim((string)$rssContent->link);
-
- if (!empty($rssContent->image)) {
- $this->icon = trim((string)$rssContent->image->url);
- }
- }
-
- /**
- * Load Atom feed data into RSS-Bridge
- *
- * @param object $content The Atom content
- * @return void
- */
- protected function loadAtomData($content){
- $this->title = (string)$content->title;
-
- // Find best link (only one, or first of 'alternate')
- if(!isset($content->link)) {
- $this->uri = '';
- } elseif (count($content->link) === 1) {
- $this->uri = (string)$content->link[0]['href'];
- } else {
- $this->uri = '';
- foreach($content->link as $link) {
- if(strtolower($link['rel']) === 'alternate') {
- $this->uri = (string)$link['href'];
- break;
- }
- }
- }
-
- if(!empty($content->icon)) {
- $this->icon = (string)$content->icon;
- } elseif(!empty($content->logo)) {
- $this->icon = (string)$content->logo;
- }
- }
-
- /**
- * Parse the contents of a single Atom feed item into a RSS-Bridge item for
- * further transformation.
- *
- * @param object $feedItem A single feed item
- * @return object The RSS-Bridge item
- *
- * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
- * of its own?
- */
- protected function parseATOMItem($feedItem){
- // Some ATOM entries also contain RSS 2.0 fields
- $item = $this->parseRss2Item($feedItem);
-
- if(isset($feedItem->id)) $item['uri'] = (string)$feedItem->id;
- if(isset($feedItem->title)) $item['title'] = (string)$feedItem->title;
- if(isset($feedItem->updated)) $item['timestamp'] = strtotime((string)$feedItem->updated);
- if(isset($feedItem->author)) $item['author'] = (string)$feedItem->author->name;
- if(isset($feedItem->content)) $item['content'] = (string)$feedItem->content;
-
- //When "link" field is present, URL is more reliable than "id" field
- if (count($feedItem->link) === 1) {
- $item['uri'] = (string)$feedItem->link[0]['href'];
- } else {
- foreach($feedItem->link as $link) {
- if(strtolower($link['rel']) === 'alternate') {
- $item['uri'] = (string)$link['href'];
- }
- if(strtolower($link['rel']) === 'enclosure') {
- $item['enclosures'][] = (string)$link['href'];
- }
- }
- }
-
- return $item;
- }
-
- /**
- * Parse the contents of a single RSS 0.91 feed item into a RSS-Bridge item
- * for further transformation.
- *
- * @param object $feedItem A single feed item
- * @return object The RSS-Bridge item
- *
- * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
- * of its own?
- */
- protected function parseRss091Item($feedItem){
- $item = array();
- if(isset($feedItem->link)) $item['uri'] = (string)$feedItem->link;
- if(isset($feedItem->title)) $item['title'] = (string)$feedItem->title;
- // rss 0.91 doesn't support timestamps
- // rss 0.91 doesn't support authors
- // rss 0.91 doesn't support enclosures
- if(isset($feedItem->description)) $item['content'] = (string)$feedItem->description;
- return $item;
- }
-
- /**
- * Parse the contents of a single RSS 1.0 feed item into a RSS-Bridge item
- * for further transformation.
- *
- * @param object $feedItem A single feed item
- * @return object The RSS-Bridge item
- *
- * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
- * of its own?
- */
- protected function parseRss1Item($feedItem){
- // 1.0 adds optional elements around the 0.91 standard
- $item = $this->parseRss091Item($feedItem);
-
- $namespaces = $feedItem->getNamespaces(true);
- if(isset($namespaces['dc'])) {
- $dc = $feedItem->children($namespaces['dc']);
- if(isset($dc->date)) $item['timestamp'] = strtotime((string)$dc->date);
- if(isset($dc->creator)) $item['author'] = (string)$dc->creator;
- }
-
- return $item;
- }
-
- /**
- * Parse the contents of a single RSS 2.0 feed item into a RSS-Bridge item
- * for further transformation.
- *
- * @param object $feedItem A single feed item
- * @return object The RSS-Bridge item
- *
- * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
- * of its own?
- */
- protected function parseRss2Item($feedItem){
- // Primary data is compatible to 0.91 with some additional data
- $item = $this->parseRss091Item($feedItem);
-
- $namespaces = $feedItem->getNamespaces(true);
- if(isset($namespaces['dc'])) $dc = $feedItem->children($namespaces['dc']);
- if(isset($namespaces['media'])) $media = $feedItem->children($namespaces['media']);
-
- if(isset($feedItem->guid)) {
- foreach($feedItem->guid->attributes() as $attribute => $value) {
- if($attribute === 'isPermaLink'
- && ($value === 'true' || (
- filter_var($feedItem->guid, FILTER_VALIDATE_URL)
- && (empty($item['uri']) || !filter_var($item['uri'], FILTER_VALIDATE_URL))
- )
- )
- ) {
- $item['uri'] = (string)$feedItem->guid;
- break;
- }
- }
- }
-
- if(isset($feedItem->pubDate)) {
- $item['timestamp'] = strtotime((string)$feedItem->pubDate);
- } elseif(isset($dc->date)) {
- $item['timestamp'] = strtotime((string)$dc->date);
- }
-
- if(isset($feedItem->author)) {
- $item['author'] = (string)$feedItem->author;
- } elseif (isset($feedItem->creator)) {
- $item['author'] = (string)$feedItem->creator;
- } elseif(isset($dc->creator)) {
- $item['author'] = (string)$dc->creator;
- } elseif(isset($media->credit)) {
- $item['author'] = (string)$media->credit;
- }
-
- if(isset($feedItem->enclosure) && !empty($feedItem->enclosure['url'])) {
- $item['enclosures'] = array((string)$feedItem->enclosure['url']);
- }
-
- return $item;
- }
-
- /**
- * Parse the contents of a single feed item, depending on the current feed
- * type, into a RSS-Bridge item.
- *
- * @param object $item The current feed item
- * @return object A RSS-Bridge item, with (hopefully) the whole content
- */
- protected function parseItem($item){
- switch($this->feedType) {
- case self::FEED_TYPE_RSS_1_0:
- return $this->parseRss1Item($item);
- break;
- case self::FEED_TYPE_RSS_2_0:
- return $this->parseRss2Item($item);
- break;
- case self::FEED_TYPE_ATOM_1_0:
- return $this->parseATOMItem($item);
- break;
- default: returnClientError('Unknown version ' . $this->getInput('version') . '!');
- }
- }
-
- /** {@inheritdoc} */
- public function getURI(){
- return !empty($this->uri) ? $this->uri : parent::getURI();
- }
-
- /** {@inheritdoc} */
- public function getName(){
- return !empty($this->title) ? $this->title : parent::getName();
- }
-
- /** {@inheritdoc} */
- public function getIcon(){
- return !empty($this->icon) ? $this->icon : parent::getIcon();
- }
+abstract class FeedExpander extends BridgeAbstract
+{
+ /** Indicates an RSS 1.0 feed */
+ const FEED_TYPE_RSS_1_0 = 'RSS_1_0';
+
+ /** Indicates an RSS 2.0 feed */
+ const FEED_TYPE_RSS_2_0 = 'RSS_2_0';
+
+ /** Indicates an Atom 1.0 feed */
+ const FEED_TYPE_ATOM_1_0 = 'ATOM_1_0';
+
+ /**
+ * Holds the title of the current feed
+ *
+ * @var string
+ */
+ private $title;
+
+ /**
+ * Holds the URI of the feed
+ *
+ * @var string
+ */
+ private $uri;
+
+ /**
+ * Holds the icon of the feed
+ *
+ */
+ private $icon;
+
+ /**
+ * Holds the feed type during internal operations.
+ *
+ * @var string
+ */
+ private $feedType;
+
+ /**
+ * Collects data from an existing feed.
+ *
+ * Children should call this function in {@see BridgeInterface::collectData()}
+ * to extract a feed.
+ *
+ * @param string $url URL to the feed.
+ * @param int $maxItems Maximum number of items to collect from the feed
+ * (`-1`: no limit).
+ * @return self
+ */
+ public function collectExpandableDatas($url, $maxItems = -1)
+ {
+ if (empty($url)) {
+ returnServerError('There is no $url for this RSS expander');
+ }
+
+ Debug::log('Loading from ' . $url);
+
+ /* Notice we do not use cache here on purpose:
+ * we want a fresh view of the RSS stream each time
+ */
+
+ $mimeTypes = [
+ MrssFormat::MIME_TYPE,
+ AtomFormat::MIME_TYPE,
+ '*/*',
+ ];
+ $httpHeaders = ['Accept: ' . implode(', ', $mimeTypes)];
+ $content = getContents($url, $httpHeaders)
+ or returnServerError('Could not request ' . $url);
+ $rssContent = simplexml_load_string(trim($content));
+
+ if ($rssContent === false) {
+ throw new \Exception('Unable to parse string as xml');
+ }
+
+ Debug::log('Detecting feed format/version');
+ switch (true) {
+ case isset($rssContent->item[0]):
+ Debug::log('Detected RSS 1.0 format');
+ $this->feedType = self::FEED_TYPE_RSS_1_0;
+ $this->collectRss1($rssContent, $maxItems);
+ break;
+ case isset($rssContent->channel[0]):
+ Debug::log('Detected RSS 0.9x or 2.0 format');
+ $this->feedType = self::FEED_TYPE_RSS_2_0;
+ $this->collectRss2($rssContent, $maxItems);
+ break;
+ case isset($rssContent->entry[0]):
+ Debug::log('Detected ATOM format');
+ $this->feedType = self::FEED_TYPE_ATOM_1_0;
+ $this->collectAtom1($rssContent, $maxItems);
+ break;
+ default:
+ Debug::log('Unknown feed format/version');
+ returnServerError('The feed format is unknown!');
+ break;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Collect data from a RSS 1.0 compatible feed
+ *
+ * @link http://web.resource.org/rss/1.0/spec RDF Site Summary (RSS) 1.0
+ *
+ * @param string $rssContent The RSS content
+ * @param int $maxItems Maximum number of items to collect from the feed
+ * (`-1`: no limit).
+ * @return void
+ *
+ * @todo Instead of passing $maxItems to all functions, just add all items
+ * and remove excessive items later.
+ */
+ protected function collectRss1($rssContent, $maxItems)
+ {
+ $this->loadRss2Data($rssContent->channel[0]);
+ foreach ($rssContent->item as $item) {
+ Debug::log('parsing item ' . var_export($item, true));
+ $tmp_item = $this->parseItem($item);
+ if (!empty($tmp_item)) {
+ $this->items[] = $tmp_item;
+ }
+ if ($maxItems !== -1 && count($this->items) >= $maxItems) {
+ break;
+ }
+ }
+ }
+
+ /**
+ * Collect data from a RSS 2.0 compatible feed
+ *
+ * @link http://www.rssboard.org/rss-specification RSS 2.0 Specification
+ *
+ * @param object $rssContent The RSS content
+ * @param int $maxItems Maximum number of items to collect from the feed
+ * (`-1`: no limit).
+ * @return void
+ *
+ * @todo Instead of passing $maxItems to all functions, just add all items
+ * and remove excessive items later.
+ */
+ protected function collectRss2($rssContent, $maxItems)
+ {
+ $rssContent = $rssContent->channel[0];
+ Debug::log('RSS content is ===========\n'
+ . var_export($rssContent, true)
+ . '===========');
+
+ $this->loadRss2Data($rssContent);
+ foreach ($rssContent->item as $item) {
+ Debug::log('parsing item ' . var_export($item, true));
+ $tmp_item = $this->parseItem($item);
+ if (!empty($tmp_item)) {
+ $this->items[] = $tmp_item;
+ }
+ if ($maxItems !== -1 && count($this->items) >= $maxItems) {
+ break;
+ }
+ }
+ }
+
+ /**
+ * Collect data from a Atom 1.0 compatible feed
+ *
+ * @link https://tools.ietf.org/html/rfc4287 The Atom Syndication Format
+ *
+ * @param object $content The Atom content
+ * @param int $maxItems Maximum number of items to collect from the feed
+ * (`-1`: no limit).
+ * @return void
+ *
+ * @todo Instead of passing $maxItems to all functions, just add all items
+ * and remove excessive items later.
+ */
+ protected function collectAtom1($content, $maxItems)
+ {
+ $this->loadAtomData($content);
+ foreach ($content->entry as $item) {
+ Debug::log('parsing item ' . var_export($item, true));
+ $tmp_item = $this->parseItem($item);
+ if (!empty($tmp_item)) {
+ $this->items[] = $tmp_item;
+ }
+ if ($maxItems !== -1 && count($this->items) >= $maxItems) {
+ break;
+ }
+ }
+ }
+
+ /**
+ * Load RSS 2.0 feed data into RSS-Bridge
+ *
+ * @param object $rssContent The RSS content
+ * @return void
+ *
+ * @todo set title, link, description, language, and so on
+ */
+ protected function loadRss2Data($rssContent)
+ {
+ $this->title = trim((string)$rssContent->title);
+ $this->uri = trim((string)$rssContent->link);
+
+ if (!empty($rssContent->image)) {
+ $this->icon = trim((string)$rssContent->image->url);
+ }
+ }
+
+ /**
+ * Load Atom feed data into RSS-Bridge
+ *
+ * @param object $content The Atom content
+ * @return void
+ */
+ protected function loadAtomData($content)
+ {
+ $this->title = (string)$content->title;
+
+ // Find best link (only one, or first of 'alternate')
+ if (!isset($content->link)) {
+ $this->uri = '';
+ } elseif (count($content->link) === 1) {
+ $this->uri = (string)$content->link[0]['href'];
+ } else {
+ $this->uri = '';
+ foreach ($content->link as $link) {
+ if (strtolower($link['rel']) === 'alternate') {
+ $this->uri = (string)$link['href'];
+ break;
+ }
+ }
+ }
+
+ if (!empty($content->icon)) {
+ $this->icon = (string)$content->icon;
+ } elseif (!empty($content->logo)) {
+ $this->icon = (string)$content->logo;
+ }
+ }
+
+ /**
+ * Parse the contents of a single Atom feed item into a RSS-Bridge item for
+ * further transformation.
+ *
+ * @param object $feedItem A single feed item
+ * @return object The RSS-Bridge item
+ *
+ * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
+ * of its own?
+ */
+ protected function parseATOMItem($feedItem)
+ {
+ // Some ATOM entries also contain RSS 2.0 fields
+ $item = $this->parseRss2Item($feedItem);
+
+ if (isset($feedItem->id)) {
+ $item['uri'] = (string)$feedItem->id;
+ }
+ if (isset($feedItem->title)) {
+ $item['title'] = (string)$feedItem->title;
+ }
+ if (isset($feedItem->updated)) {
+ $item['timestamp'] = strtotime((string)$feedItem->updated);
+ }
+ if (isset($feedItem->author)) {
+ $item['author'] = (string)$feedItem->author->name;
+ }
+ if (isset($feedItem->content)) {
+ $item['content'] = (string)$feedItem->content;
+ }
+
+ //When "link" field is present, URL is more reliable than "id" field
+ if (count($feedItem->link) === 1) {
+ $item['uri'] = (string)$feedItem->link[0]['href'];
+ } else {
+ foreach ($feedItem->link as $link) {
+ if (strtolower($link['rel']) === 'alternate') {
+ $item['uri'] = (string)$link['href'];
+ }
+ if (strtolower($link['rel']) === 'enclosure') {
+ $item['enclosures'][] = (string)$link['href'];
+ }
+ }
+ }
+
+ return $item;
+ }
+
+ /**
+ * Parse the contents of a single RSS 0.91 feed item into a RSS-Bridge item
+ * for further transformation.
+ *
+ * @param object $feedItem A single feed item
+ * @return object The RSS-Bridge item
+ *
+ * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
+ * of its own?
+ */
+ protected function parseRss091Item($feedItem)
+ {
+ $item = [];
+ if (isset($feedItem->link)) {
+ $item['uri'] = (string)$feedItem->link;
+ }
+ if (isset($feedItem->title)) {
+ $item['title'] = (string)$feedItem->title;
+ }
+ // rss 0.91 doesn't support timestamps
+ // rss 0.91 doesn't support authors
+ // rss 0.91 doesn't support enclosures
+ if (isset($feedItem->description)) {
+ $item['content'] = (string)$feedItem->description;
+ }
+ return $item;
+ }
+
+ /**
+ * Parse the contents of a single RSS 1.0 feed item into a RSS-Bridge item
+ * for further transformation.
+ *
+ * @param object $feedItem A single feed item
+ * @return object The RSS-Bridge item
+ *
+ * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
+ * of its own?
+ */
+ protected function parseRss1Item($feedItem)
+ {
+ // 1.0 adds optional elements around the 0.91 standard
+ $item = $this->parseRss091Item($feedItem);
+
+ $namespaces = $feedItem->getNamespaces(true);
+ if (isset($namespaces['dc'])) {
+ $dc = $feedItem->children($namespaces['dc']);
+ if (isset($dc->date)) {
+ $item['timestamp'] = strtotime((string)$dc->date);
+ }
+ if (isset($dc->creator)) {
+ $item['author'] = (string)$dc->creator;
+ }
+ }
+
+ return $item;
+ }
+
+ /**
+ * Parse the contents of a single RSS 2.0 feed item into a RSS-Bridge item
+ * for further transformation.
+ *
+ * @param object $feedItem A single feed item
+ * @return object The RSS-Bridge item
+ *
+ * @todo To reduce confusion, the RSS-Bridge item should maybe have a class
+ * of its own?
+ */
+ protected function parseRss2Item($feedItem)
+ {
+ // Primary data is compatible to 0.91 with some additional data
+ $item = $this->parseRss091Item($feedItem);
+
+ $namespaces = $feedItem->getNamespaces(true);
+ if (isset($namespaces['dc'])) {
+ $dc = $feedItem->children($namespaces['dc']);
+ }
+ if (isset($namespaces['media'])) {
+ $media = $feedItem->children($namespaces['media']);
+ }
+
+ if (isset($feedItem->guid)) {
+ foreach ($feedItem->guid->attributes() as $attribute => $value) {
+ if (
+ $attribute === 'isPermaLink'
+ && ($value === 'true' || (
+ filter_var($feedItem->guid, FILTER_VALIDATE_URL)
+ && (empty($item['uri']) || !filter_var($item['uri'], FILTER_VALIDATE_URL))
+ )
+ )
+ ) {
+ $item['uri'] = (string)$feedItem->guid;
+ break;
+ }
+ }
+ }
+
+ if (isset($feedItem->pubDate)) {
+ $item['timestamp'] = strtotime((string)$feedItem->pubDate);
+ } elseif (isset($dc->date)) {
+ $item['timestamp'] = strtotime((string)$dc->date);
+ }
+
+ if (isset($feedItem->author)) {
+ $item['author'] = (string)$feedItem->author;
+ } elseif (isset($feedItem->creator)) {
+ $item['author'] = (string)$feedItem->creator;
+ } elseif (isset($dc->creator)) {
+ $item['author'] = (string)$dc->creator;
+ } elseif (isset($media->credit)) {
+ $item['author'] = (string)$media->credit;
+ }
+
+ if (isset($feedItem->enclosure) && !empty($feedItem->enclosure['url'])) {
+ $item['enclosures'] = [(string)$feedItem->enclosure['url']];
+ }
+
+ return $item;
+ }
+
+ /**
+ * Parse the contents of a single feed item, depending on the current feed
+ * type, into a RSS-Bridge item.
+ *
+ * @param object $item The current feed item
+ * @return object A RSS-Bridge item, with (hopefully) the whole content
+ */
+ protected function parseItem($item)
+ {
+ switch ($this->feedType) {
+ case self::FEED_TYPE_RSS_1_0:
+ return $this->parseRss1Item($item);
+ break;
+ case self::FEED_TYPE_RSS_2_0:
+ return $this->parseRss2Item($item);
+ break;
+ case self::FEED_TYPE_ATOM_1_0:
+ return $this->parseATOMItem($item);
+ break;
+ default:
+ returnClientError('Unknown version ' . $this->getInput('version') . '!');
+ }
+ }
+
+ /** {@inheritdoc} */
+ public function getURI()
+ {
+ return !empty($this->uri) ? $this->uri : parent::getURI();
+ }
+
+ /** {@inheritdoc} */
+ public function getName()
+ {
+ return !empty($this->title) ? $this->title : parent::getName();
+ }
+
+ /** {@inheritdoc} */
+ public function getIcon()
+ {
+ return !empty($this->icon) ? $this->icon : parent::getIcon();
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-22 02:41:30 +0000