diff options
Diffstat (limited to 'classes/feeditem/atom.php')
| -rwxr-xr-x | classes/feeditem/atom.php | 224 |
1 files changed, 0 insertions, 224 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 ''; - } -} |