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Improve the compatibility with Lemmy

This commit is contained in:
Michael 2022-03-24 10:57:55 +00:00
parent aa1ef0516d
commit 212eba327b
1 changed files with 33 additions and 2 deletions
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35
src/Protocol/ActivityPub/Transmitter.php
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@ -1467,10 +1467,28 @@ class Transmitter
return [];
}
// We are treating posts differently when they are directed to a community.
// This is done to better support Lemmy. Most of the changes should work with other systems as well.
// But to not risk compatibility issues we currently perform the changes only for communities.
if ($item['gravity'] == GRAVITY_PARENT) {
$isCommunityPost = !empty(Tag::getByURIId($item['uri-id'], [Tag::EXCLUSIVE_MENTION]));
$links = Post\Media::getByURIId($item['uri-id'], [Post\Media::HTML]);
if ($isCommunityPost && (count($links) == 1)) {
$link = $links[0]['url'];
}
} else {
$isCommunityPost = false;
}
if ($item['event-type'] == 'event') {
$type = 'Event';
} elseif (!empty($item['title'])) {
$type = 'Article';
if (!$isCommunityPost || empty($link)) {
$type = 'Article';
} else {
// "Page" is used by Lemmy for posts that contain an external link
$type = 'Page';
}
} else {
$type = 'Note';
}
@ -1502,7 +1520,7 @@ class Transmitter
$data['updated'] = DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM);
}
$data['url'] = $item['plink'];
$data['url'] = $link ?? $item['plink'];
$data['attributedTo'] = $item['author-link'];
$data['sensitive'] = self::isSensitive($item['uri-id']);
$data['context'] = self::fetchContextURLForItem($item);
@ -1539,6 +1557,19 @@ class Transmitter
if ($type == 'Event') {
$data = array_merge($data, self::createEvent($item));
} else {
if ($isCommunityPost) {
// For community posts we remove the visible "!user@domain.tld".
// This improves the look at systems like Lemmy.
// Also in the future we should control the community delivery via other methods.
$body = preg_replace("/!\[url\=[^\[\]]*\][^\[\]]*\[\/url\]/ism", '', $body);
}
if ($type == 'Page') {
// When we transmit "Page" posts we have to remove the attachment.
// The attachment contains the link that we already transmit in the "url" field.
$body = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", '', $body);
}
$body = BBCode::setMentionsToNicknames($body);
$data['content'] = BBCode::convertForUriId($item['uri-id'], $body, BBCode::ACTIVITYPUB);