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175 lines
6.6 KiB
175 lines
6.6 KiB
# frozen_string_literal: true
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require 'concurrent'
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require_relative '../../config/boot'
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require_relative '../../config/environment'
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require_relative 'cli_helper'
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module Mastodon
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class DomainsCLI < Thor
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include CLIHelper
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def self.exit_on_failure?
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true
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end
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option :concurrency, type: :numeric, default: 5, aliases: [:c]
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option :verbose, type: :boolean, aliases: [:v]
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option :dry_run, type: :boolean
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option :limited_federation_mode, type: :boolean
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desc 'purge [DOMAIN...]', 'Remove accounts from a DOMAIN without a trace'
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long_desc <<-LONG_DESC
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Remove all accounts from a given DOMAIN without leaving behind any
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records. Unlike a suspension, if the DOMAIN still exists in the wild,
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it means the accounts could return if they are resolved again.
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When the --limited-federation-mode option is given, instead of purging accounts
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from a single domain, all accounts from domains that have not been explicitly allowed
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are removed from the database.
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LONG_DESC
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def purge(*domains)
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dry_run = options[:dry_run] ? ' (DRY RUN)' : ''
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scope = begin
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if options[:limited_federation_mode]
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Account.remote.where.not(domain: DomainAllow.pluck(:domain))
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elsif !domains.empty?
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Account.remote.where(domain: domains)
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else
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say('No domain(s) given', :red)
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exit(1)
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end
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end
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processed, = parallelize_with_progress(scope) do |account|
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DeleteAccountService.new.call(account, reserve_username: false, skip_side_effects: true) unless options[:dry_run]
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end
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DomainBlock.where(domain: domains).destroy_all unless options[:dry_run]
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say("Removed #{processed} accounts#{dry_run}", :green)
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custom_emojis = CustomEmoji.where(domain: domains)
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custom_emojis_count = custom_emojis.count
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custom_emojis.destroy_all unless options[:dry_run]
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Instance.refresh unless options[:dry_run]
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say("Removed #{custom_emojis_count} custom emojis", :green)
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end
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option :concurrency, type: :numeric, default: 50, aliases: [:c]
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option :format, type: :string, default: 'summary', aliases: [:f]
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option :exclude_suspended, type: :boolean, default: false, aliases: [:x]
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desc 'crawl [START]', 'Crawl all known peers, optionally beginning at START'
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long_desc <<-LONG_DESC
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Crawl the fediverse by using the Mastodon REST API endpoints that expose
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all known peers, and collect statistics from those peers, as long as those
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peers support those API endpoints. When no START is given, the command uses
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this server's own database of known peers to seed the crawl.
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The --concurrency (-c) option controls the number of threads performing HTTP
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requests at the same time. More threads means the crawl may complete faster.
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The --format (-f) option controls how the data is displayed at the end. By
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default (`summary`), a summary of the statistics is returned. The other options
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are `domains`, which returns a newline-delimited list of all discovered peers,
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and `json`, which dumps all the aggregated data raw.
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The --exclude-suspended (-x) option means that domains that are suspended
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instance-wide do not appear in the output and are not included in summaries.
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This also excludes subdomains of any of those domains.
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LONG_DESC
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def crawl(start = nil)
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stats = Concurrent::Hash.new
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processed = Concurrent::AtomicFixnum.new(0)
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failed = Concurrent::AtomicFixnum.new(0)
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start_at = Time.now.to_f
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seed = start ? [start] : Instance.pluck(:domain)
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blocked_domains = Regexp.new('\\.?' + DomainBlock.where(severity: 1).pluck(:domain).join('|') + '$')
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progress = create_progress_bar
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pool = Concurrent::ThreadPoolExecutor.new(min_threads: 0, max_threads: options[:concurrency], idletime: 10, auto_terminate: true, max_queue: 0)
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work_unit = ->(domain) do
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next if stats.key?(domain)
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next if options[:exclude_suspended] && domain.match?(blocked_domains)
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stats[domain] = nil
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begin
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Request.new(:get, "https://#{domain}/api/v1/instance").perform do |res|
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next unless res.code == 200
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stats[domain] = Oj.load(res.to_s)
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end
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Request.new(:get, "https://#{domain}/api/v1/instance/peers").perform do |res|
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next unless res.code == 200
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Oj.load(res.to_s).reject { |peer| stats.key?(peer) }.each do |peer|
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pool.post(peer, &work_unit)
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end
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end
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Request.new(:get, "https://#{domain}/api/v1/instance/activity").perform do |res|
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next unless res.code == 200
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stats[domain]['activity'] = Oj.load(res.to_s)
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end
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rescue StandardError
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failed.increment
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ensure
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processed.increment
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progress.increment unless progress.finished?
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end
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end
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seed.each do |domain|
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pool.post(domain, &work_unit)
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end
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sleep 20
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sleep 20 until pool.queue_length.zero?
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pool.shutdown
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pool.wait_for_termination(20)
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ensure
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progress.finish
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pool.shutdown
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case options[:format]
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when 'summary'
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stats_to_summary(stats, processed, failed, start_at)
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when 'domains'
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stats_to_domains(stats)
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when 'json'
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stats_to_json(stats)
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end
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end
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private
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def stats_to_summary(stats, processed, failed, start_at)
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stats.compact!
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total_domains = stats.size
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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 }
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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 }
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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 }
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say("Visited #{processed.value} domains, #{failed.value} failed (#{(Time.now.to_f - start_at).round}s elapsed)", :green)
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say("Total servers: #{total_domains}", :green)
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say("Total registered: #{total_users}", :green)
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say("Total active last week: #{total_active}", :green)
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say("Total joined last week: #{total_joined}", :green)
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end
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def stats_to_domains(stats)
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say(stats.keys.join("\n"))
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end
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def stats_to_json(stats)
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stats.compact!
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say(Oj.dump(stats))
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end
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end
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end
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