Federated social network node, running on kosmos.social https://kosmos.social
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# frozen_string_literal: true
require_relative '../../config/boot'
require_relative '../../config/environment'
require_relative 'cli_helper'
module Mastodon
class MediaCLI < Thor
include ActionView::Helpers::NumberHelper
include CLIHelper
def self.exit_on_failure?
true
end
option :days, type: :numeric, default: 7, aliases: [:d]
option :concurrency, type: :numeric, default: 5, aliases: [:c]
option :verbose, type: :boolean, default: false, aliases: [:v]
option :dry_run, type: :boolean, default: false
desc 'remove', 'Remove remote media files'
long_desc <<-DESC
Removes locally cached copies of media attachments from other servers.
The --days option specifies how old media attachments have to be before
they are removed. It defaults to 7 days.
DESC
def remove
time_ago = options[:days].days.ago
dry_run = options[:dry_run] ? '(DRY RUN)' : ''
processed, aggregate = parallelize_with_progress(MediaAttachment.cached.where.not(remote_url: '').where('created_at < ?', time_ago)) do |media_attachment|
next if media_attachment.file.blank?
size = (media_attachment.file_file_size || 0) + (media_attachment.thumbnail_file_size || 0)
unless options[:dry_run]
media_attachment.file.destroy
media_attachment.thumbnail.destroy
media_attachment.save
end
size
end
say("Removed #{processed} media attachments (approx. #{number_to_human_size(aggregate)}) #{dry_run}", :green, true)
end
option :start_after
option :prefix
option :fix_permissions, type: :boolean, default: false
option :dry_run, type: :boolean, default: false
desc 'remove-orphans', 'Scan storage and check for files that do not belong to existing media attachments'
long_desc <<~LONG_DESC
Scans file storage for files that do not belong to existing media attachments. Because this operation
requires iterating over every single file individually, it will be slow.
Please mind that some storage providers charge for the necessary API requests to list objects.
LONG_DESC
def remove_orphans
progress = create_progress_bar(nil)
reclaimed_bytes = 0
removed = 0
dry_run = options[:dry_run] ? ' (DRY RUN)' : ''
prefix = options[:prefix]
case Paperclip::Attachment.default_options[:storage]
when :s3
paperclip_instance = MediaAttachment.new.file
s3_interface = paperclip_instance.s3_interface
s3_permissions = Paperclip::Attachment.default_options[:s3_permissions]
bucket = s3_interface.bucket(Paperclip::Attachment.default_options[:s3_credentials][:bucket])
last_key = options[:start_after]
loop do
objects = begin
begin
bucket.objects(start_after: last_key, prefix: prefix).limit(1000).map { |x| x }
rescue => e
progress.log(pastel.red("Error fetching list of files: #{e}"))
progress.log("If you want to continue from this point, add --start-after=#{last_key} to your command") if last_key
break
end
end
break if objects.empty?
last_key = objects.last.key
record_map = preload_records_from_mixed_objects(objects)
objects.each do |object|
object.acl.put(acl: s3_permissions) if options[:fix_permissions] && !options[:dry_run]
path_segments = object.key.split('/')
path_segments.delete('cache')
unless [7, 10].include?(path_segments.size)
progress.log(pastel.yellow("Unrecognized file found: #{object.key}"))
next
end
model_name = path_segments.first.classify
attachment_name = path_segments[1].singularize
record_id = path_segments[2..-2].join.to_i
file_name = path_segments.last
record = record_map.dig(model_name, record_id)
attachment = record&.public_send(attachment_name)
progress.increment
next unless attachment.blank? || !attachment.variant?(file_name)
begin
object.delete unless options[:dry_run]
reclaimed_bytes += object.size
removed += 1
progress.log("Found and removed orphan: #{object.key}")
rescue => e
progress.log(pastel.red("Error processing #{object.key}: #{e}"))
end
end
end
when :fog
say('The fog storage driver is not supported for this operation at this time', :red)
exit(1)
when :filesystem
require 'find'
root_path = ENV.fetch('PAPERCLIP_ROOT_PATH', File.join(':rails_root', 'public', 'system')).gsub(':rails_root', Rails.root.to_s)
Find.find(File.join(*[root_path, prefix].compact)) do |path|
next if File.directory?(path)
key = path.gsub("#{root_path}#{File::SEPARATOR}", '')
path_segments = key.split(File::SEPARATOR)
path_segments.delete('cache')
unless [7, 10].include?(path_segments.size)
progress.log(pastel.yellow("Unrecognized file found: #{key}"))
next
end
model_name = path_segments.first.classify
record_id = path_segments[2..-2].join.to_i
attachment_name = path_segments[1].singularize
file_name = path_segments.last
next unless PRELOAD_MODEL_WHITELIST.include?(model_name)
record = model_name.constantize.find_by(id: record_id)
attachment = record&.public_send(attachment_name)
progress.increment
next unless attachment.blank? || !attachment.variant?(file_name)
begin
size = File.size(path)
unless options[:dry_run]
File.delete(path)
begin
FileUtils.rmdir(File.dirname(path), parents: true)
rescue Errno::ENOTEMPTY
# OK
end
end
reclaimed_bytes += size
removed += 1
progress.log("Found and removed orphan: #{key}")
rescue => e
progress.log(pastel.red("Error processing #{key}: #{e}"))
end
end
end
progress.total = progress.progress
progress.finish
say("Removed #{removed} orphans (approx. #{number_to_human_size(reclaimed_bytes)})#{dry_run}", :green, true)
end
option :account, type: :string
option :domain, type: :string
option :status, type: :numeric
option :concurrency, type: :numeric, default: 5, aliases: [:c]
option :verbose, type: :boolean, default: false, aliases: [:v]
option :dry_run, type: :boolean, default: false
option :force, type: :boolean, default: false
desc 'refresh', 'Fetch remote media files'
long_desc <<-DESC
Re-downloads media attachments from other servers. You must specify the
source of media attachments with one of the following options:
Use the --status option to download attachments from a specific status,
using the status local numeric ID.
Use the --account option to download attachments from a specific account,
using username@domain handle of the account.
Use the --domain option to download attachments from a specific domain.
By default, attachments that are believed to be already downloaded will
not be re-downloaded. To force re-download of every URL, use --force.
DESC
def refresh
dry_run = options[:dry_run] ? ' (DRY RUN)' : ''
if options[:status]
scope = MediaAttachment.where(status_id: options[:status])
elsif options[:account]
username, domain = options[:account].split('@')
account = Account.find_remote(username, domain)
if account.nil?
say('No such account', :red)
exit(1)
end
scope = MediaAttachment.where(account_id: account.id)
elsif options[:domain]
scope = MediaAttachment.joins(:account).merge(Account.by_domain_and_subdomains(options[:domain]))
else
exit(1)
end
processed, aggregate = parallelize_with_progress(scope) do |media_attachment|
next if media_attachment.remote_url.blank? || (!options[:force] && media_attachment.file_file_name.present?)
unless options[:dry_run]
media_attachment.reset_file!
media_attachment.reset_thumbnail!
media_attachment.save
end
media_attachment.file_file_size + (media_attachment.thumbnail_file_size || 0)
end
say("Downloaded #{processed} media attachments (approx. #{number_to_human_size(aggregate)})#{dry_run}", :green, true)
end
desc 'usage', 'Calculate disk space consumed by Mastodon'
def usage
say("Attachments:\t#{number_to_human_size(MediaAttachment.sum(Arel.sql('COALESCE(file_file_size, 0) + COALESCE(thumbnail_file_size, 0)')))} (#{number_to_human_size(MediaAttachment.where(account: Account.local).sum(Arel.sql('COALESCE(file_file_size, 0) + COALESCE(thumbnail_file_size, 0)')))} local)")
say("Custom emoji:\t#{number_to_human_size(CustomEmoji.sum(:image_file_size))} (#{number_to_human_size(CustomEmoji.local.sum(:image_file_size))} local)")
say("Preview cards:\t#{number_to_human_size(PreviewCard.sum(:image_file_size))}")
say("Avatars:\t#{number_to_human_size(Account.sum(:avatar_file_size))} (#{number_to_human_size(Account.local.sum(:avatar_file_size))} local)")
say("Headers:\t#{number_to_human_size(Account.sum(:header_file_size))} (#{number_to_human_size(Account.local.sum(:header_file_size))} local)")
say("Backups:\t#{number_to_human_size(Backup.sum(:dump_file_size))}")
say("Imports:\t#{number_to_human_size(Import.sum(:data_file_size))}")
say("Settings:\t#{number_to_human_size(SiteUpload.sum(:file_file_size))}")
end
desc 'lookup URL', 'Lookup where media is displayed by passing a media URL'
def lookup(url)
path = Addressable::URI.parse(url).path
path_segments = path.split('/')[2..-1]
path_segments.delete('cache')
unless [7, 10].include?(path_segments.size)
say('Not a media URL', :red)
exit(1)
end
model_name = path_segments.first.classify
record_id = path_segments[2..-2].join.to_i
unless PRELOAD_MODEL_WHITELIST.include?(model_name)
say("Cannot find corresponding model: #{model_name}", :red)
exit(1)
end
record = model_name.constantize.find_by(id: record_id)
record = record.status if record.respond_to?(:status)
unless record
say('Cannot find corresponding record', :red)
exit(1)
end
display_url = ActivityPub::TagManager.instance.url_for(record)
if display_url.blank?
say('No public URL for this type of record', :red)
exit(1)
end
say(display_url, :blue)
rescue Addressable::URI::InvalidURIError
say('Invalid URL', :red)
exit(1)
end
private
PRELOAD_MODEL_WHITELIST = %w(
Account
Backup
CustomEmoji
Import
MediaAttachment
PreviewCard
SiteUpload
).freeze
def preload_records_from_mixed_objects(objects)
preload_map = Hash.new { |hash, key| hash[key] = [] }
objects.map do |object|
segments = object.key.split('/')
segments.delete('cache')
next unless [7, 10].include?(segments.size)
model_name = segments.first.classify
record_id = segments[2..-2].join.to_i
next unless PRELOAD_MODEL_WHITELIST.include?(model_name)
preload_map[model_name] << record_id
end
preload_map.each_with_object({}) do |(model_name, record_ids), model_map|
model_map[model_name] = model_name.constantize.where(id: record_ids).index_by(&:id)
end
end
end
end