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Add blurhash (#10630)

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* Add blurhash

* Use fallback color for spoiler when blurhash missing

* Federate the blurhash and accept it as long as it's at most 5x5

* Display unknown media attachments as blurhash placeholders

* Improve style of embed actions and spoiler button

* Change blurhash resolution from 3x3 to 4x4

* Improve dependency definitions

* Fix code style issues
This commit is contained in:
Eugen Rochko 2019-04-27 03:24:09 +02:00 • committed by GitHub
parent c008911249
commit fba96c808d
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22 changed files with 234 additions and 60 deletions
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7
app/lib/activitypub/activity/create.rb
View file

@ -194,7 +194,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
next if attachment['url'].blank?
href = Addressable::URI.parse(attachment['url']).normalize.to_s
media_attachment = MediaAttachment.create(account: @account, remote_url: href, description: attachment['name'].presence, focus: attachment['focalPoint'])
media_attachment = MediaAttachment.create(account: @account, remote_url: href, description: attachment['name'].presence, focus: attachment['focalPoint'], blurhash: supported_blurhash?(attachment['blurhash']) ? attachment['blurhash'] : nil)
media_attachments << media_attachment
next if unsupported_media_type?(attachment['mediaType']) || skip_download?
@ -369,6 +369,11 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
mime_type.present? && !(MediaAttachment::IMAGE_MIME_TYPES + MediaAttachment::VIDEO_MIME_TYPES).include?(mime_type)
end
def supported_blurhash?(blurhash)
components = blurhash.blank? ? nil : Blurhash.components(blurhash)
components.present? && components.none? { |comp| comp > 5 }
end
def skip_download?
return @skip_download if defined?(@skip_download)
@skip_download ||= DomainBlock.find_by(domain: @account.domain)&.reject_media?

1
app/lib/activitypub/adapter.rb
View file

@ -19,6 +19,7 @@ class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
conversation: { 'ostatus' => 'http://ostatus.org#', 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri', 'conversation' => 'ostatus:conversation' },
focal_point: { 'toot' => 'http://joinmastodon.org/ns#', 'focalPoint' => { '@container' => '@list', '@id' => 'toot:focalPoint' } },
identity_proof: { 'toot' => 'http://joinmastodon.org/ns#', 'IdentityProof' => 'toot:IdentityProof' },
blurhash: { 'toot' => 'http://joinmastodon.org/ns#', 'blurhash' => 'toot:blurhash' },
}.freeze
def self.default_key_transform