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Merge pull request #8903 from MrPetovan/task/8676-ap-multiple-link-image

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ActivityPub: Add support for multiple Link as urls of Images attachments
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Michael Vogel 2020-07-21 21:29:32 +02:00 committed by GitHub
commit 660cab9427
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 71 additions and 3 deletions
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16
src/Protocol/ActivityPub/Processor.php
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@ -115,10 +115,22 @@ class Processor
continue 2;
}
$item['body'] .= "\n";
// image is the preview/thumbnail URL
if (!empty($attach['image'])) {
$item['body'] .= '[url=' . $attach['url'] . ']';
$attach['url'] = $attach['image'];
}
if (empty($attach['name'])) {
$item['body'] .= "\n[img]" . $attach['url'] . '[/img]';
$item['body'] .= '[img]' . $attach['url'] . '[/img]';
} else {
$item['body'] .= "\n[img=" . $attach['url'] . ']' . $attach['name'] . '[/img]';
$item['body'] .= '[img=' . $attach['url'] . ']' . $attach['name'] . '[/img]';
}
if (!empty($attach['image'])) {
$item['body'] .= '[/url]';
}
} elseif ($filetype == 'audio') {
if (!empty($activity['source']) && strpos($activity['source'], $attach['url'])) {

58
src/Protocol/ActivityPub/Receiver.php
View file

@ -877,7 +877,7 @@ class Receiver
*
* @param array $attachments Attachments in JSON-LD format
*
* @return array with attachmants in a simplified format
* @return array Attachments in a simplified format
*/
private static function processAttachments(array $attachments)
{
@ -925,6 +925,62 @@ class Receiver
'url' => JsonLD::fetchElement($attachment, 'as:href', '@id')
];
break;
case 'as:Image':
$mediaType = JsonLD::fetchElement($attachment, 'as:mediaType', '@value');
$imageFullUrl = JsonLD::fetchElement($attachment, 'as:url', '@id');
$imagePreviewUrl = null;
// Multiple URLs?
if (!$imageFullUrl && ($urls = JsonLD::fetchElementArray($attachment, 'as:url'))) {
$imageVariants = [];
$previewVariants = [];
foreach ($urls as $url) {
// Scalar URL, no discrimination possible
if (is_string($url)) {
$imageFullUrl = $url;
continue;
}
// Not sure what to do with a different Link media type than the base Image, we skip
if ($mediaType != JsonLD::fetchElement($url, 'as:mediaType', '@value')) {
continue;
}
$href = JsonLD::fetchElement($url, 'as:href', '@id');
// Default URL choice if no discriminating width is provided
$imageFullUrl = $href ?? $imageFullUrl;
$width = intval(JsonLD::fetchElement($url, 'as:width', '@value') ?? 1);
if ($href && $width) {
$imageVariants[$width] = $href;
// 632 is the ideal width for full screen frio posts, we compute the absolute distance to it
$previewVariants[abs(632 - $width)] = $href;
}
}
if ($imageVariants) {
// Taking the maximum size image
ksort($imageVariants);
$imageFullUrl = array_pop($imageVariants);
// Taking the minimum number distance to the target distance
ksort($previewVariants);
$imagePreviewUrl = array_shift($previewVariants);
}
unset($imageVariants);
unset($previewVariants);
}
$attachlist[] = [
'type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
'mediaType' => $mediaType,
'name' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
'url' => $imageFullUrl,
'image' => $imagePreviewUrl !== $imageFullUrl ? $imagePreviewUrl : null,
];
break;
default:
$attachlist[] = [
'type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),