mirror of https://github.com/friendica/friendica
Support for page JSON-LD based page information
This commit is contained in:
parent
ddbe8730ed
commit
70bf75c342
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@ -143,35 +143,54 @@ class OEmbed
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DI::cache()->set($cache_key, $json_string, $cache_ttl);
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}
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if ($oembed->type == 'error') {
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// Always embed the SSL version
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if (!empty($oembed->html)) {
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$oembed->html = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'], ['https://www.youtube.com/', 'https://player.vimeo.com/'], $oembed->html);
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}
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// Improve the OEmbed data with data from OpenGraph, Twitter cards and other sources
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$data = ParseUrl::getSiteinfoCached($embedurl, true, false);
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if (($oembed->type == 'error') && empty($data['title']) && empty($data['text'])) {
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return $oembed;
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}
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// Always embed the SSL version
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$oembed->html = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'], ['https://www.youtube.com/', 'https://player.vimeo.com/'], $oembed->html);
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// If fetching information doesn't work, then improve via internal functions
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if ($no_rich_type && ($oembed->type == 'rich')) {
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$data = ParseUrl::getSiteinfoCached($embedurl, true, false);
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if ($no_rich_type || ($oembed->type == 'error')) {
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$oembed->html = '';
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$oembed->type = $data['type'];
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if ($oembed->type == 'photo') {
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$oembed->url = $data['url'];
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}
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}
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if (isset($data['title'])) {
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$oembed->title = $data['title'];
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}
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if (!empty($data['title']) && empty($oembed->title)) {
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$oembed->title = $data['title'];
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}
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if (isset($data['text'])) {
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$oembed->description = $data['text'];
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}
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if (!empty($data['text']) && empty($oembed->description)) {
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$oembed->description = $data['text'];
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}
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if (!empty($data['images'])) {
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$oembed->thumbnail_url = $data['images'][0]['src'];
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$oembed->thumbnail_width = $data['images'][0]['width'];
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$oembed->thumbnail_height = $data['images'][0]['height'];
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}
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if (!empty($data['publisher']) && empty($oembed->provider_name)) {
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$oembed->provider_name = $data['publisher'];
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}
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if (!empty($data['publisher_url']) && empty($oembed->provider_url)) {
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$oembed->provider_url = $data['publisher_url'];
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}
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if (!empty($data['author']) && empty($oembed->author_name)) {
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$oembed->author_name = $data['author'];
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}
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if (!empty($data['author_url']) && empty($oembed->author_url)) {
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$oembed->author_url = $data['author_url'];
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}
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if (!empty($data['images']) && empty($oembed->thumbnail_url)) {
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$oembed->thumbnail_url = $data['images'][0]['src'];
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$oembed->thumbnail_width = $data['images'][0]['width'];
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$oembed->thumbnail_height = $data['images'][0]['height'];
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}
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Hook::callAll('oembed_fetch_url', $embedurl, $oembed);
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@ -129,17 +129,12 @@ class PageInfo
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}
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// Escape some bad characters
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$data['url'] = str_replace(['[', ']'], ['[', ']'], htmlentities($data['url'], ENT_QUOTES, 'UTF-8', false));
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$data['title'] = str_replace(['[', ']'], ['[', ']'], htmlentities($data['title'], ENT_QUOTES, 'UTF-8', false));
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$text = "[attachment";
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$text = "[attachment type='" . $data['type'] . "'";
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if (!empty($data['url'])) {
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$text .= " url='" . $data['url'] . "'";
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}
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if (!empty($data['title'])) {
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$text .= " title='" . $data['title'] . "'";
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foreach (['type', 'url', 'title', 'alternative_title', 'publisher', 'publisher_url', 'publisher_image', 'author', 'author_url', 'author_image'] as $field) {
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if (!empty($data[$field])) {
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$text .= " " . $field . "='" . str_replace(['[', ']'], ['[', ']'], htmlentities($data[$field], ENT_QUOTES, 'UTF-8', false)) . "'";
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}
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}
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if (empty($data['text'])) {
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@ -167,7 +162,7 @@ class PageInfo
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}
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}
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$text .= ']' . $data['text'] . '[/attachment]';
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$text .= ']' . str_replace(['[', ']'], ['[', ']'], $data['text']) . '[/attachment]';
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$hashtags = '';
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if (!empty($data['keywords'])) {
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@ -300,7 +300,6 @@ class ParseUrl
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@$doc->loadHTML($body);
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XML::deleteNode($doc, 'style');
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XML::deleteNode($doc, 'script');
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XML::deleteNode($doc, 'option');
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XML::deleteNode($doc, 'h1');
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XML::deleteNode($doc, 'h2');
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@ -392,6 +391,9 @@ class ParseUrl
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case 'dc.description':
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$siteinfo['text'] = trim($meta_tag['content']);
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break;
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case 'dc.creator':
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$siteinfo['publisher'] = trim($meta_tag['content']);
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break;
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case 'keywords':
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$keywords = explode(',', $meta_tag['content']);
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break;
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@ -426,12 +428,46 @@ class ParseUrl
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case 'og:image':
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$siteinfo['image'] = $meta_tag['content'];
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break;
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case 'og:image:url':
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$siteinfo['image'] = $meta_tag['content'];
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break;
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case 'og:image:secure_url':
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$siteinfo['image'] = $meta_tag['content'];
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break;
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case 'og:title':
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$siteinfo['title'] = trim($meta_tag['content']);
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break;
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case 'og:description':
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$siteinfo['text'] = trim($meta_tag['content']);
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break;
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case 'og:site_name':
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$siteinfo['publisher'] = trim($meta_tag['content']);
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break;
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case 'twitter:description':
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$siteinfo['text'] = trim($meta_tag['content']);
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break;
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case 'twitter:title':
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$siteinfo['title'] = trim($meta_tag['content']);
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break;
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case 'twitter:image':
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$siteinfo['image'] = $meta_tag['content'];
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break;
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}
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}
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}
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$list = $xpath->query("//script[@type='application/ld+json']");
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foreach ($list as $node) {
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if (!empty($node->nodeValue)) {
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$nodevalue = html_entity_decode($node->nodeValue, ENT_COMPAT, 'UTF-8');
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if ($jsonld = json_decode($nodevalue, true)) {
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if (!empty($jsonld['@graph']) && is_array($jsonld['@graph'])) {
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foreach ($jsonld['@graph'] as $part) {
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$siteinfo = self::parseJsonLd($siteinfo, $part);
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}
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} else {
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$siteinfo = self::parseJsonLd($siteinfo, $jsonld);
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}
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}
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}
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}
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@ -470,6 +506,281 @@ class ParseUrl
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return $siteinfo;
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD information
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* @see https://jsonld.com/
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLd(array $siteinfo, array $jsonld)
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{
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$type = JsonLD::fetchElement($jsonld, '@type');
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switch ($type) {
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case 'Article':
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case 'NewsArticle':
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return self::parseJsonLdArticle($siteinfo, $jsonld);
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case 'WebPage':
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return self::parseJsonLdWebPage($siteinfo, $jsonld);
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case 'WebSite':
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return self::parseJsonLdWebSite($siteinfo, $jsonld);
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case 'Organization':
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return self::parseJsonLdWebOrganization($siteinfo, $jsonld);
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case 'Person':
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return self::parseJsonLdWebPerson($siteinfo, $jsonld);
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case 'BreadcrumbList':
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case 'Audio': /// @todo Can contain direct media links to audio - can be interesting in the future
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case 'VideoObject':
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case 'ImageObject':
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case 'LiveBlogPosting':
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case 'SocialMediaPosting':
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// quit silently
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return $siteinfo;
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default:
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Logger::info('Unsupported or unknown type', ['type' => $type, 'url' => $siteinfo['url']]);
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return $siteinfo;
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}
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD information concerning authors and publishers
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdAuthor(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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if (is_array($jsonld['publisher'])) {
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$content = JsonLD::fetchElement($jsonld, 'publisher', 'name', '@type', 'Organization');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['publisher'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'publisher', 'url', '@type', 'Organization');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['publisher_url'] = trim($content);
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}
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$brand = JsonLD::fetchElement($jsonld, 'publisher', 'brand', '@type', 'Organization');
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if (!empty($brand)) {
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$content = JsonLD::fetchElement($brand, 'name', '@type', 'brand');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['publisher'] = trim($content);
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}
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}
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}
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if (is_array($jsonld['author'])) {
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$content = JsonLD::fetchElement($jsonld, 'author', 'name', '@type', 'Organization');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['publisher'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'author', 'url', '@type', 'Organization');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['publisher_url'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'author', 'name', '@type', 'Person');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['author'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'author', 'url', '@type', 'Person');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['author_url'] = trim($content);
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}
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}
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Logger::info('Fetched author information', ['fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD Article information
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdArticle(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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$content = JsonLD::fetchElement($jsonld, 'headline');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['title'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'alternativeHeadline');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['alternative_title'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'description');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['text'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'image', 'url', '@type', 'ImageObject');
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if (!empty($content) && is_string($content)) {
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$jsonldinfo['image'] = trim($content);
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}
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/// @todo Check for the correct separator, also check for dpublicates before adding
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// $content = JsonLD::fetchElement($jsonld, 'keywords');
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// if (!empty($content) && is_string($content)) {
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// $jsonldinfo['keywords'] = trim($content);
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// }
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$jsonldinfo = self::parseJsonLdAuthor($jsonldinfo, $jsonld);
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Logger::info('Fetched article information', ['url' => $siteinfo['url'], 'fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD WebPage information
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdWebPage(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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$content = JsonLD::fetchElement($jsonld, 'name');
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if (!empty($content)) {
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$jsonldinfo['title'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'description');
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if (!empty($content)) {
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$jsonldinfo['text'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'thumbnailUrl');
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if (!empty($content)) {
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$jsonldinfo['image'] = trim($content);
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}
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$jsonldinfo = self::parseJsonLdAuthor($jsonldinfo, $jsonld);
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Logger::info('Fetched webpage information', ['url' => $siteinfo['url'], 'fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD WebSite information
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdWebSite(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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$content = JsonLD::fetchElement($jsonld, 'name');
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if (!empty($content)) {
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$jsonldinfo['publisher'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'description');
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if (!empty($content)) {
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$jsonldinfo['publisher_description'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'url');
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if (!empty($content)) {
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$jsonldinfo['publisher_url'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'thumbnailUrl');
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if (!empty($content)) {
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$jsonldinfo['image'] = trim($content);
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}
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$jsonldinfo = self::parseJsonLdAuthor($jsonldinfo, $jsonld);
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Logger::info('Fetched WebSite information', ['url' => $siteinfo['url'], 'fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD Organization information
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdWebOrganization(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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$content = JsonLD::fetchElement($jsonld, 'name');
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if (!empty($content)) {
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$jsonldinfo['publisher'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'url');
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if (!empty($content)) {
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$jsonldinfo['publisher_url'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'logo', 'url', '@type', 'ImageObject');
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if (!empty($content)) {
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$jsonldinfo['publisher_image'] = trim($content);
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}
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Logger::info('Fetched Organization information', ['url' => $siteinfo['url'], 'fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Improve the siteinfo with information from the provided JSON-LD Person information
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*
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* @param array $siteinfo
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* @param array $jsonld
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* @return array siteinfo
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*/
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private static function parseJsonLdWebPerson(array $siteinfo, array $jsonld)
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{
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$jsonldinfo = [];
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$content = JsonLD::fetchElement($jsonld, 'name');
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if (!empty($content)) {
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$jsonldinfo['author'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'description');
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if (!empty($content)) {
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$jsonldinfo['author_description'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'url');
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if (!empty($content)) {
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$jsonldinfo['author_url'] = trim($content);
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}
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$content = JsonLD::fetchElement($jsonld, 'image', 'url', '@type', 'ImageObject');
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if (!empty($content)) {
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$jsonldinfo['author_image'] = trim($content);
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}
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Logger::info('Fetched Person information', ['url' => $siteinfo['url'], 'fetched' => $jsonldinfo]);
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return array_merge($siteinfo, $jsonldinfo);
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}
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/**
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* Convert tags from CSV to an array
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*
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