catstodon/app/models/concerns/account_avatar.rb
Eugen Rochko 58bcd50f7f Fix #1426 - Trim long usernames in public follower/following lists (#2993)
Fix #2221 - Catch OpenSSL exceptions when loading remote avatars/headers/attachments
Don't strip "rel" attribute from <a> tags when sanitizing (microformats)
2017-05-11 23:14:00 +02:00

41 lines
1.3 KiB
Ruby

# frozen_string_literal: true
module AccountAvatar
extend ActiveSupport::Concern
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
class_methods do
def avatar_styles(file)
styles = { original: '120x120#' }
styles[:static] = { format: 'png' } if file.content_type == 'image/gif'
styles
end
private :avatar_styles
end
included do
# Avatar upload
has_attached_file :avatar, styles: ->(f) { avatar_styles(f) }, convert_options: { all: '-quality 80 -strip' }
validates_attachment_content_type :avatar, content_type: IMAGE_MIME_TYPES
validates_attachment_size :avatar, less_than: 2.megabytes
def avatar_original_url
avatar.url(:original)
end
def avatar_static_url
avatar_content_type == 'image/gif' ? avatar.url(:static) : avatar_original_url
end
def avatar_remote_url=(url)
parsed_url = Addressable::URI.parse(url).normalize
return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? || self[:avatar_remote_url] == url
self.avatar = URI.parse(parsed_url.to_s)
self[:avatar_remote_url] = url
rescue OpenURI::HTTPError, OpenSSL::SSL::SSLError, Paperclip::Errors::NotIdentifiedByImageMagickError => e
Rails.logger.debug "Error fetching remote avatar: #{e}"
end
end
end