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<?php
namespace Courseware\BlockTypes;
/**
* This class represents the content of a Courseware embed block.
*
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.0
*/
class Embed extends BlockType
{
public static function getType(): string
{
return 'embed';
}
public static function getTitle(): string
{
return _('Embed');
}
public static function getDescription(): string
{
return _('Bindet externe Inhalte wie Videos, Grafiken oder Musik ein.');
}
public function initialPayload(): array
{
return [
'title' => '',
'url' => '',
'source' => '',
'starttime' => '', // for youtube
'endtime' => '', // for youtube
];
}
public static function getJsonSchema(): string
{
$schemaFile = __DIR__.'/Embed.json';
return file_get_contents($schemaFile);
}
public function getPayload()
{
$payload = $this->decodePayloadString($this->block['payload']);
$oembedRequest = $this->buildOembedRequest($payload['source'], $payload['url']);
$payload['oembed-request'] = $oembedRequest;
$payload['oembed-unauthorized'] = false;
$payload['oembed-not-found'] = true;
$payload['oembed'] = null;
$payload['request'] = null;
if ($oembedRequest) {
$request = \FileManager::fetchURLMetadata($oembedRequest);
if ($request['response_code'] === 200) {
$payload['request'] = file_get_contents($oembedRequest, false, get_default_http_stream_context($oembedRequest));
$payload['oembed'] = json_decode($payload['request']);
$payload['oembed-not-found'] = false;
}
if ($request['response_code'] === 401) {
$payload['oembed-unauthorized'] = true;
$payload['oembed-not-found'] = false;
}
}
return $payload;
}
private function buildOembedRequest($source, $url)
{
$endPoints = [
'audiomack' => 'https://www.audiomack.com/oembed',
'codepen' => 'https://codepen.io/api/oembed',
'codesandbox' => 'https://codesandbox.io/oembed',
'deviantart' => 'https://backend.deviantart.com/oembed',
'ethfiddle' => 'https://ethfiddle.com/services/oembed/',
'flickr' => 'https://www.flickr.com/services/oembed/',
'giphy' => 'https://giphy.com/services/oembed',
'kidoju' => 'https://www.kidoju.com/api/oembed',
'learningapps' => 'https://learningapps.org/oembed.php',
'sketchfab' => 'https://sketchfab.com/oembed',
'slideshare' => 'https://www.slideshare.net/api/oembed/2',
'soundcloud' => 'https://soundcloud.com/oembed',
'speakerdeck' => 'https://speakerdeck.com/oembed.json',
'sway' => 'https://sway.com/api/v1.0/oembed',
'sway.office' => 'https://sway.office.com/api/v1.0/oembed',
'spotify' => 'https://embed.spotify.com/oembed/',
'vimeo' => 'https://vimeo.com/api/oembed.json',
'youtube' => 'https://www.youtube.com/oembed',
];
return array_key_exists($source, $endPoints) ? $endPoints[$source].'?url='.rawurlencode($url).'&format=json' : null;
}
public static function getCategories(): array
{
return ['external'];
}
public static function getContentTypes(): array
{
return ['text', 'video', 'audio', 'image', 'rich'];
}
public static function getFileTypes(): array
{
return [];
}
public static function getTags(): array
{
return [
_('Text'), _('Video'), _('Audio'), _('Bild'), _('Webseite'), 'YouTube',
'Vimeo', 'Spotify', 'swan.office', 'speakerdeck', 'soundcloud',
'slideshare', 'sketchfab', 'learningapps', 'kidoju', 'giphy',
'flickr', 'ethfiddle', 'deviantart', 'codesandbox', 'codepen',
'audiomack', _('extern'), _('einbinden'), _('einbetten'), _('einfügen'),
_('Multimedia'), _('Grafik'), _('Podcast'), _('Medien'), _('bereitstellen'),
'gif', 'meme', _('Cloud'), _('Interaktion')
];
}
}
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