move to psr-4 autoloader

3 files changed, 0 insertions, 614 deletions

diff --git a/classes/feeditem/atom.php b/classes/feeditem/atom.php
deleted file mode 100755
index f6c96f959..000000000
--- a/classes/feeditem/atom.php
+++ /dev/null
@@ -1,224 +0,0 @@
-<?php
-class FeedItem_Atom extends FeedItem_Common {
-	const NS_XML = "http://www.w3.org/XML/1998/namespace";
-
-	function get_id(): string {
-		$id = $this->elem->getElementsByTagName("id")->item(0);
-
-		if ($id) {
-			return $id->nodeValue;
-		} else {
-			return clean($this->get_link());
-		}
-	}
-
-	/**
-	 * @return int|false a timestamp on success, false otherwise
-	 */
-	function get_date() {
-		$updated = $this->elem->getElementsByTagName("updated")->item(0);
-
-		if ($updated) {
-			return strtotime($updated->nodeValue ?? '');
-		}
-
-		$published = $this->elem->getElementsByTagName("published")->item(0);
-
-		if ($published) {
-			return strtotime($published->nodeValue ?? '');
-		}
-
-		$date = $this->xpath->query("dc:date", $this->elem)->item(0);
-
-		if ($date) {
-			return strtotime($date->nodeValue ?? '');
-		}
-
-		// consistent with strtotime failing to parse
-		return false;
-	}
-
-
-	function get_link(): string {
-		$links = $this->elem->getElementsByTagName("link");
-
-		foreach ($links as $link) {
-			/** @phpstan-ignore-next-line */
-			if ($link->hasAttribute("href") &&
-				(!$link->hasAttribute("rel")
-					|| $link->getAttribute("rel") == "alternate"
-					|| $link->getAttribute("rel") == "standout")) {
-				$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
-
-				if ($base)
-					return UrlHelper::rewrite_relative($base, clean(trim($link->getAttribute("href"))));
-				else
-					return clean(trim($link->getAttribute("href")));
-			}
-		}
-
-		return '';
-	}
-
-	function get_title(): string {
-		$title = $this->elem->getElementsByTagName("title")->item(0);
-		return $title ? clean(trim($title->nodeValue)) : '';
-	}
-
-	/**
-	 * @param string|null $base optional (returns $content if $base is null)
-	 * @param string $content an HTML string
-	 *
-	 * @return string the rewritten XML or original $content
-	 */
-	private function rewrite_content_to_base(?string $base = null, ?string $content = '') {
-
-		if (!empty($base) && !empty($content)) {
-
-			$tmpdoc = new DOMDocument();
-			if (@$tmpdoc->loadHTML('<?xml encoding="UTF-8">' . $content)) {
-				$tmpxpath = new DOMXPath($tmpdoc);
-
-				$elems = $tmpxpath->query("(//*[@href]|//*[@src])");
-
-				foreach ($elems as $elem) {
-					if ($elem->hasAttribute("href")) {
-						$elem->setAttribute("href",
-							UrlHelper::rewrite_relative($base, $elem->getAttribute("href")));
-					} else if ($elem->hasAttribute("src")) {
-						$elem->setAttribute("src",
-							UrlHelper::rewrite_relative($base, $elem->getAttribute("src")));
-					}
-				}
-
-				// Fall back to $content if saveXML somehow fails (i.e. returns false)
-				$modified_content = $tmpdoc->saveXML();
-				return $modified_content !== false ? $modified_content : $content;
-			}
-		}
-
-		return $content;
-	}
-
-	function get_content(): string {
-		/** @var DOMElement|null */
-		$content = $this->elem->getElementsByTagName("content")->item(0);
-
-		if ($content) {
-			$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $content);
-
-			if ($content->hasAttribute('type')) {
-				if ($content->getAttribute('type') == 'xhtml') {
-					for ($i = 0; $i < $content->childNodes->length; $i++) {
-						$child = $content->childNodes->item($i);
-
-						if ($child->hasChildNodes()) {
-							return $this->rewrite_content_to_base($base, $this->doc->saveHTML($child));
-						}
-					}
-				}
-			}
-
-			return $this->rewrite_content_to_base($base, $this->subtree_or_text($content));
-		}
-
-		return '';
-	}
-
-	// TODO: duplicate code should be merged with get_content()
-	function get_description(): string {
-		/** @var DOMElement|null */
-		$content = $this->elem->getElementsByTagName("summary")->item(0);
-
-		if ($content) {
-			$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $content);
-
-			if ($content->hasAttribute('type')) {
-				if ($content->getAttribute('type') == 'xhtml') {
-					for ($i = 0; $i < $content->childNodes->length; $i++) {
-						$child = $content->childNodes->item($i);
-
-						if ($child->hasChildNodes()) {
-							return $this->rewrite_content_to_base($base, $this->doc->saveHTML($child));
-						}
-					}
-				}
-			}
-
-			return $this->rewrite_content_to_base($base, $this->subtree_or_text($content));
-		}
-
-		return '';
-	}
-
-	/**
-	 * @return array<int, string>
-	 */
-	function get_categories(): array {
-		$categories = $this->elem->getElementsByTagName("category");
-		$cats = [];
-
-		foreach ($categories as $cat) {
-			if ($cat->hasAttribute("term"))
-				array_push($cats, $cat->getAttribute("term"));
-		}
-
-		$categories = $this->xpath->query("dc:subject", $this->elem);
-
-		foreach ($categories as $cat) {
-			array_push($cats, $cat->nodeValue);
-		}
-
-		return $this->normalize_categories($cats);
-	}
-
-	/**
-	 * @return array<int, FeedEnclosure>
-	 */
-	function get_enclosures(): array {
-		$links = $this->elem->getElementsByTagName("link");
-
-		$encs = [];
-
-		foreach ($links as $link) {
-			/** @phpstan-ignore-next-line */
-			if ($link->hasAttribute("href") && $link->hasAttribute("rel")) {
-				$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
-
-				if ($link->getAttribute("rel") == "enclosure") {
-					$enc = new FeedEnclosure();
-
-					$enc->type = clean($link->getAttribute("type"));
-					$enc->length = clean($link->getAttribute("length"));
-					$enc->link = clean($link->getAttribute("href"));
-
-					if (!empty($base)) {
-						$enc->link = UrlHelper::rewrite_relative($base, $enc->link);
-					}
-
-					array_push($encs, $enc);
-				}
-			}
-		}
-
-		array_push($encs, ...parent::get_enclosures());
-
-		return $encs;
-	}
-
-	function get_language(): string {
-		$lang = $this->elem->getAttributeNS(self::NS_XML, "lang");
-
-		if (!empty($lang)) {
-			return clean($lang);
-		} else {
-			// Fall back to the language declared on the feed, if any.
-			foreach ($this->doc->childNodes as $child) {
-				if (method_exists($child, "getAttributeNS")) {
-					return clean($child->getAttributeNS(self::NS_XML, "lang"));
-				}
-			}
-		}
-		return '';
-	}
-}
diff --git a/classes/feeditem/common.php b/classes/feeditem/common.php
deleted file mode 100755
index fde481179..000000000
--- a/classes/feeditem/common.php
+++ /dev/null
@@ -1,221 +0,0 @@
-<?php
-abstract class FeedItem_Common extends FeedItem {
-	/** @var DOMElement */
-	protected $elem;
-
-	/** @var DOMDocument */
-	protected $doc;
-
-	/** @var DOMXPath */
-	protected $xpath;
-
-	function __construct(DOMElement $elem, DOMDocument $doc, DOMXPath $xpath) {
-		$this->elem = $elem;
-		$this->xpath = $xpath;
-		$this->doc = $doc;
-
-		try {
-			$source = $elem->getElementsByTagName("source")->item(0);
-
-			// we don't need <source> element
-			if ($source)
-				$elem->removeChild($source);
-		} catch (DOMException $e) {
-			//
-		}
-	}
-
-	function get_element(): DOMElement {
-		return $this->elem;
-	}
-
-	function get_author(): string {
-		/** @var DOMElement|null */
-		$author = $this->elem->getElementsByTagName("author")->item(0);
-
-		if ($author) {
-			$name = $author->getElementsByTagName("name")->item(0);
-
-			if ($name) return clean($name->nodeValue);
-
-			$email = $author->getElementsByTagName("email")->item(0);
-
-			if ($email) return clean($email->nodeValue);
-
-			if ($author->nodeValue)
-				return clean($author->nodeValue);
-		}
-
-		$author_elems = $this->xpath->query("dc:creator", $this->elem);
-		$authors = [];
-
-		foreach ($author_elems as $author) {
-			array_push($authors, clean($author->nodeValue));
-		}
-
-		return implode(", ", $authors);
-	}
-
-	function get_comments_url(): string {
-		//RSS only. Use a query here to avoid namespace clashes (e.g. with slash).
-		//might give a wrong result if a default namespace was declared (possible with XPath 2.0)
-		$com_url = $this->xpath->query("comments", $this->elem)->item(0);
-
-		if ($com_url)
-			return clean($com_url->nodeValue);
-
-		//Atom Threading Extension (RFC 4685) stuff. Could be used in RSS feeds, so it's in common.
-		//'text/html' for type is too restrictive?
-		$com_url = $this->xpath->query("atom:link[@rel='replies' and contains(@type,'text/html')]/@href", $this->elem)->item(0);
-
-		if ($com_url)
-			return clean($com_url->nodeValue);
-
-		return '';
-	}
-
-	function get_comments_count(): int {
-		//also query for ATE stuff here
-		$query = "slash:comments|thread:total|atom:link[@rel='replies']/@thread:count";
-		$comments = $this->xpath->query($query, $this->elem)->item(0);
-
-		if ($comments && is_numeric($comments->nodeValue)) {
-			return (int) clean($comments->nodeValue);
-		}
-
-		return 0;
-	}
-
-	/**
-	 * this is common for both Atom and RSS types and deals with various 'media:' elements
-	 *
-	 * @return array<int, FeedEnclosure>
-	 */
-	function get_enclosures(): array {
-		$encs = [];
-
-		$enclosures = $this->xpath->query("media:content", $this->elem);
-
-		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = clean($enclosure->getAttribute("type"));
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->length = clean($enclosure->getAttribute("length"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
-
-			$medium = clean($enclosure->getAttribute("medium"));
-			if (!$enc->type && $medium) {
-				$enc->type = strtolower("$medium/generic");
-			}
-
-			$desc = $this->xpath->query("media:description", $enclosure)->item(0);
-			if ($desc) $enc->title = clean($desc->nodeValue);
-
-			array_push($encs, $enc);
-		}
-
-		$enclosures = $this->xpath->query("media:group", $this->elem);
-
-		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			/** @var DOMElement|null */
-			$content = $this->xpath->query("media:content", $enclosure)->item(0);
-
-			if ($content) {
-				$enc->type = clean($content->getAttribute("type"));
-				$enc->link = clean($content->getAttribute("url"));
-				$enc->length = clean($content->getAttribute("length"));
-				$enc->height = clean($content->getAttribute("height"));
-				$enc->width = clean($content->getAttribute("width"));
-
-				$medium = clean($content->getAttribute("medium"));
-				if (!$enc->type && $medium) {
-					$enc->type = strtolower("$medium/generic");
-				}
-
-				$desc = $this->xpath->query("media:description", $content)->item(0);
-				if ($desc) {
-					$enc->title = clean($desc->nodeValue);
-				} else {
-					$desc = $this->xpath->query("media:description", $enclosure)->item(0);
-					if ($desc) $enc->title = clean($desc->nodeValue);
-				}
-
-				array_push($encs, $enc);
-			}
-		}
-
-		$enclosures = $this->xpath->query("media:thumbnail", $this->elem);
-
-		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = "image/generic";
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
-
-			array_push($encs, $enc);
-		}
-
-		return $encs;
-	}
-
-	function count_children(DOMElement $node): int {
-		return $node->getElementsByTagName("*")->length;
-	}
-
-	/**
-	 * @return false|string false on failure, otherwise string contents
-	 */
-	function subtree_or_text(DOMElement $node) {
-		if ($this->count_children($node) == 0) {
-			return $node->nodeValue;
-		} else {
-			return $node->c14n();
-		}
-	}
-
-	/**
-	 * @param array<int, string> $cats
-	 *
-	 * @return array<int, string>
-	 */
-	static function normalize_categories(array $cats): array {
-
-		$tmp = [];
-
-		foreach ($cats as $rawcat) {
-			array_push($tmp, ...explode(",", $rawcat));
-		}
-
-		$tmp = array_map(function($srccat) {
-			$cat = clean(trim(mb_strtolower($srccat)));
-
-			// we don't support numeric tags
-			if (is_numeric($cat))
-				$cat = 't:' . $cat;
-
-			$cat = preg_replace('/[,\'\"]/', "", $cat);
-
-			if (Config::get(Config::DB_TYPE) == "mysql") {
-				$cat = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $cat);
-			}
-
-			if (mb_strlen($cat) > 250)
-				$cat = mb_substr($cat, 0, 250);
-
-			return $cat;
-		}, $tmp);
-
-		// remove empty values
-		$tmp = array_filter($tmp, 'strlen');
-
-		asort($tmp);
-
-		return array_unique($tmp);
-	}
-}
diff --git a/classes/feeditem/rss.php b/classes/feeditem/rss.php
deleted file mode 100755
index b5710ef4f..000000000
--- a/classes/feeditem/rss.php
+++ /dev/null
@@ -1,169 +0,0 @@
-<?php
-class FeedItem_RSS extends FeedItem_Common {
-	function get_id(): string {
-		$id = $this->elem->getElementsByTagName("guid")->item(0);
-
-		if ($id) {
-			return clean($id->nodeValue);
-		} else {
-			return clean($this->get_link());
-		}
-	}
-
-	/**
-	 * @return int|false a timestamp on success, false otherwise
-	 */
-	function get_date() {
-		$pubDate = $this->elem->getElementsByTagName("pubDate")->item(0);
-
-		if ($pubDate) {
-			return strtotime($pubDate->nodeValue ?? '');
-		}
-
-		$date = $this->xpath->query("dc:date", $this->elem)->item(0);
-
-		if ($date) {
-			return strtotime($date->nodeValue ?? '');
-		}
-
-		// consistent with strtotime failing to parse
-		return false;
-	}
-
-	function get_link(): string {
-		$links = $this->xpath->query("atom:link", $this->elem);
-
-		foreach ($links as $link) {
-			if ($link && $link->hasAttribute("href") &&
-				(!$link->hasAttribute("rel")
-					|| $link->getAttribute("rel") == "alternate"
-					|| $link->getAttribute("rel") == "standout")) {
-
-				return clean(trim($link->getAttribute("href")));
-			}
-		}
-
-		/** @var DOMElement|null */
-		$link = $this->elem->getElementsByTagName("guid")->item(0);
-
-		if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
-			return clean(trim($link->nodeValue));
-		}
-
-		$link = $this->elem->getElementsByTagName("link")->item(0);
-
-		if ($link) {
-			return clean(trim($link->nodeValue));
-		}
-
-		return '';
-	}
-
-	function get_title(): string {
-		$title = $this->xpath->query("title", $this->elem)->item(0);
-
-		if ($title) {
-			return clean(trim($title->nodeValue));
-		}
-
-		// if the document has a default namespace then querying for
-		// title would fail because of reasons so let's try the old way
-		$title = $this->elem->getElementsByTagName("title")->item(0);
-
-		if ($title) {
-			return clean(trim($title->nodeValue));
-		}
-
-		return '';
-	}
-
-	function get_content(): string {
-		/** @var DOMElement|null */
-		$contentA = $this->xpath->query("content:encoded", $this->elem)->item(0);
-
-		/** @var DOMElement|null */
-		$contentB = $this->elem->getElementsByTagName("description")->item(0);
-
-		if ($contentA && $contentB) {
-			$resultA = $this->subtree_or_text($contentA);
-			$resultB = $this->subtree_or_text($contentB);
-
-			return mb_strlen($resultA) > mb_strlen($resultB) ? $resultA : $resultB;
-		}
-
-		if ($contentA) {
-			return $this->subtree_or_text($contentA);
-		}
-
-		if ($contentB) {
-			return $this->subtree_or_text($contentB);
-		}
-
-		return '';
-	}
-
-	function get_description(): string {
-		$summary = $this->elem->getElementsByTagName("description")->item(0);
-
-		if ($summary) {
-			return $summary->nodeValue;
-		}
-
-		return '';
-	}
-
-	/**
-	 * @return array<int, string>
-	 */
-	function get_categories(): array {
-		$categories = $this->elem->getElementsByTagName("category");
-		$cats = [];
-
-		foreach ($categories as $cat) {
-			array_push($cats, $cat->nodeValue);
-		}
-
-		$categories = $this->xpath->query("dc:subject", $this->elem);
-
-		foreach ($categories as $cat) {
-			array_push($cats, $cat->nodeValue);
-		}
-
-		return $this->normalize_categories($cats);
-	}
-
-	/**
-	 * @return array<int, FeedEnclosure>
-	 */
-	function get_enclosures(): array {
-		$enclosures = $this->elem->getElementsByTagName("enclosure");
-
-		$encs = array();
-
-		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = clean($enclosure->getAttribute("type"));
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->length = clean($enclosure->getAttribute("length"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
-
-			array_push($encs, $enc);
-		}
-
-		array_push($encs, ...parent::get_enclosures());
-
-		return $encs;
-	}
-
-	function get_language(): string {
-		$languages = $this->doc->getElementsByTagName('language');
-
-		if (count($languages) == 0) {
-			return "";
-		}
-
-		return clean($languages[0]->textContent);
-	}
-}