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not pretty, but gives us better oembed data for wordpress and facebook

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This commit is contained in:
hannes 2016-01-26 01:05:53 +00:00
parent c0b0f8e2f9
commit 76c8139054
1 changed files with 22 additions and 1 deletions
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21
plugins/Oembed/OembedPlugin.php
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@ -46,6 +46,27 @@ class OembedPlugin extends Plugin
'maxheight' => common_config('thumbnail', 'height'),
);
$metadata = oEmbedHelper::getOembedFrom($api, $url, $params);
// Facebook just gives us javascript in its oembed html,
// so use the content of the title element instead
if(strpos($url,'https://www.facebook.com/') === 0) {
$metadata->html = $dom->getElementsByTagName('title')->item(0)->nodeValue;
}
// Wordpress sometimes also just gives us javascript, use og:description if it is available
$xpath = new DomXpath($dom);
$generatorNode = $xpath->query('//meta[@name="generator"][1]')->item(0);
if ($generatorNode instanceof DomElement) {
// when wordpress only gives us javascript, the html stripped from tags
// is the same as the title, so this helps us to identify this (common) case
if(strpos($generatorNode->getAttribute('content'),'WordPress') === 0
&& trim(strip_tags($metadata->html)) == trim($metadata->title)) {
$propertyNode = $xpath->query('//meta[@property="og:description"][1]')->item(0);
if ($propertyNode instanceof DomElement) {
$metadata->html = $propertyNode->getAttribute('content');
}
}
}
} catch (Exception $e) {
common_log(LOG_INFO, 'Could not find an oEmbed endpoint using link headers, trying OpenGraph from HTML.');
// Just ignore it!