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<?php
namespace Bitrix\Main\UrlPreview\Parser;
use Bitrix\Main\Loader;
use Bitrix\Main\Config\Option;
use Bitrix\Main\Text\Encoding;
use Bitrix\Main\Type\DateTime;
use Bitrix\Main\Web\HttpClient;
use Bitrix\Main\UrlPreview\HtmlDocument;
class Instagram extends Oembed
{
protected $versionApiPrefix = 'v11.0';
protected const METADATA_TTL = 43200; // 12 hours
/**
* @param HtmlDocument $document
* @return bool
*/
protected function detectOembedLink(HtmlDocument $document): bool
{
$result = false;
if(Loader::includeModule('socialservices'))
{
$urlPreviewEnable = Option::get('socialservices', 'facebook_instagram_url_preview_enable', 'N');
if($urlPreviewEnable === 'Y')
{
$urlAppId = Option::get('socialservices', 'facebook_appid', '');
$urlAppSecret = Option::get('socialservices', 'facebook_appsecret', '');
if(
!empty($urlAppId)
&& !empty($urlAppSecret)
)
{
$this->metadataType = 'json';
$this->metadataUrl =
'https://graph.facebook.com/' . $this->versionApiPrefix . '/instagram_oembed?omitscript=true&url='
. $document->getUri()->getLocator()
. '&access_token='
. $urlAppId
. '|'
. $urlAppSecret;
$result = true;
}
}
}
return $result;
}
/**
* Downloads and parses HTML's document metadata, formatted with oEmbed standard.
*
* @param HtmlDocument $document HTML document.
* @param HttpClient|null $httpClient
*/
public function handle(HtmlDocument $document, HttpClient $httpClient = null)
{
if(
$this->detectOembedLink($document)
&& $this->metadataUrl !== ''
)
{
if(!$httpClient)
{
$httpClient = $this->initHttpClient();
}
$rawMetadata = $this->getRawMetaData($httpClient);
if($rawMetadata !== false)
{
$parsedMetadata = $this->parseMetadata($rawMetadata);
if($parsedMetadata !== false)
{
if(
$this->metadataEncoding !== ''
&& $document->getEncoding() !== $this->metadataEncoding)
{
$parsedMetadata = Encoding::convertEncoding($parsedMetadata, $this->metadataEncoding, $document->getEncoding());
}
if(isset($parsedMetadata['author_name']))
{
$document->setDescription('@' . $parsedMetadata['author_name']);
}
if(isset($parsedMetadata['provider_name']))
{
$document->setExtraField('PROVIDER_NAME', $parsedMetadata['provider_name']);
$document->setTitle($parsedMetadata['provider_name']);
}
if(isset($parsedMetadata['thumbnail_url']))
{
$document->setImage($parsedMetadata['thumbnail_url']);
}
$document->setDateExpire(DateTime::createFromTimestamp(time() + static::METADATA_TTL));
}
}
}
}
}