cybre-space/lib/mastodon/domains_cli.rb

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# frozen_string_literal: true
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require 'concurrent'
require_relative '../../config/boot'
require_relative '../../config/environment'
require_relative 'cli_helper'
module Mastodon
class DomainsCLI < Thor
def self.exit_on_failure?
true
end
option :dry_run, type: :boolean
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option :whitelist_mode, type: :boolean
desc 'purge [DOMAIN]', 'Remove accounts from a DOMAIN without a trace'
long_desc <<-LONG_DESC
Remove all accounts from a given DOMAIN without leaving behind any
records. Unlike a suspension, if the DOMAIN still exists in the wild,
it means the accounts could return if they are resolved again.
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When the --whitelist-mode option is given, instead of purging accounts
from a single domain, all accounts from domains that are not whitelisted
are removed from the database.
LONG_DESC
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def purge(domain = nil)
removed = 0
dry_run = options[:dry_run] ? ' (DRY RUN)' : ''
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scope = begin
if options[:whitelist_mode]
Account.remote.where.not(domain: DomainAllow.pluck(:domain))
elsif domain.present?
Account.remote.where(domain: domain)
else
say('No domain given', :red)
exit(1)
end
end
scope.find_each do |account|
SuspendAccountService.new.call(account, destroy: true) unless options[:dry_run]
removed += 1
say('.', :green, false)
end
DomainBlock.where(domain: domain).destroy_all unless options[:dry_run]
say
say("Removed #{removed} accounts#{dry_run}", :green)
custom_emojis = CustomEmoji.where(domain: domain)
custom_emojis_count = custom_emojis.count
custom_emojis.destroy_all unless options[:dry_run]
say("Removed #{custom_emojis_count} custom emojis", :green)
end
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option :concurrency, type: :numeric, default: 50, aliases: [:c]
option :silent, type: :boolean, default: false, aliases: [:s]
option :format, type: :string, default: 'summary', aliases: [:f]
option :exclude_suspended, type: :boolean, default: false, aliases: [:x]
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desc 'crawl [START]', 'Crawl all known peers, optionally beginning at START'
long_desc <<-LONG_DESC
Crawl the fediverse by using the Mastodon REST API endpoints that expose
all known peers, and collect statistics from those peers, as long as those
peers support those API endpoints. When no START is given, the command uses
this server's own database of known peers to seed the crawl.
The --concurrency (-c) option controls the number of threads performing HTTP
requests at the same time. More threads means the crawl may complete faster.
The --silent (-s) option controls progress output.
The --format (-f) option controls how the data is displayed at the end. By
default (`summary`), a summary of the statistics is returned. The other options
are `domains`, which returns a newline-delimited list of all discovered peers,
and `json`, which dumps all the aggregated data raw.
The --exclude-suspended (-x) option means that domains that are suspended
instance-wide do not appear in the output and are not included in summaries.
This also excludes subdomains of any of those domains.
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LONG_DESC
def crawl(start = nil)
stats = Concurrent::Hash.new
processed = Concurrent::AtomicFixnum.new(0)
failed = Concurrent::AtomicFixnum.new(0)
start_at = Time.now.to_f
seed = start ? [start] : Account.remote.domains
blocked_domains = Regexp.new('\\.?' + DomainBlock.where(severity: 1).pluck(:domain).join('|') + '$')
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pool = Concurrent::ThreadPoolExecutor.new(min_threads: 0, max_threads: options[:concurrency], idletime: 10, auto_terminate: true, max_queue: 0)
work_unit = ->(domain) do
next if stats.key?(domain)
next if options[:exclude_suspended] && domain.match(blocked_domains)
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stats[domain] = nil
processed.increment
begin
Request.new(:get, "https://#{domain}/api/v1/instance").perform do |res|
next unless res.code == 200
stats[domain] = Oj.load(res.to_s)
end
Request.new(:get, "https://#{domain}/api/v1/instance/peers").perform do |res|
next unless res.code == 200
Oj.load(res.to_s).reject { |peer| stats.key?(peer) }.each do |peer|
pool.post(peer, &work_unit)
end
end
Request.new(:get, "https://#{domain}/api/v1/instance/activity").perform do |res|
next unless res.code == 200
stats[domain]['activity'] = Oj.load(res.to_s)
end
say('.', :green, false) unless options[:silent]
rescue StandardError
failed.increment
say('.', :red, false) unless options[:silent]
end
end
seed.each do |domain|
pool.post(domain, &work_unit)
end
sleep 20
sleep 20 until pool.queue_length.zero?
pool.shutdown
pool.wait_for_termination(20)
ensure
pool.shutdown
say unless options[:silent]
case options[:format]
when 'summary'
stats_to_summary(stats, processed, failed, start_at)
when 'domains'
stats_to_domains(stats)
when 'json'
stats_to_json(stats)
end
end
private
def stats_to_summary(stats, processed, failed, start_at)
stats.compact!
total_domains = stats.size
total_users = stats.reduce(0) { |sum, (_key, val)| val.is_a?(Hash) && val['stats'].is_a?(Hash) ? sum + val['stats']['user_count'].to_i : sum }
total_active = stats.reduce(0) { |sum, (_key, val)| val.is_a?(Hash) && val['activity'].is_a?(Array) && val['activity'].size > 2 && val['activity'][1].is_a?(Hash) ? sum + val['activity'][1]['logins'].to_i : sum }
total_joined = stats.reduce(0) { |sum, (_key, val)| val.is_a?(Hash) && val['activity'].is_a?(Array) && val['activity'].size > 2 && val['activity'][1].is_a?(Hash) ? sum + val['activity'][1]['registrations'].to_i : sum }
say("Visited #{processed.value} domains, #{failed.value} failed (#{(Time.now.to_f - start_at).round}s elapsed)", :green)
say("Total servers: #{total_domains}", :green)
say("Total registered: #{total_users}", :green)
say("Total active last week: #{total_active}", :green)
say("Total joined last week: #{total_joined}", :green)
end
def stats_to_domains(stats)
say(stats.keys.join("\n"))
end
def stats_to_json(stats)
stats.compact!
say(Oj.dump(stats))
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end
end
end