diaspora_spam.rb

#!/usr/bin/env ruby

# List of spam accounts
spam_accounts = %w(spamacc@podA spamacc@podB spamacc@mypod)

# Delete comments even if spammer isn't a local user or spam isn't on a
# local users account
always_delete = true

# Keep empty (%w() or []) to retract for all local users
retract_for = %w(userA userB)

###########################################################################

# Load diaspora environment
ENV['RAILS_ENV'] ||= "production"
require_relative 'config/environment'

local_spammers, remote_spammers = Person.where(diaspora_handle: spam_accounts).partition { |account| account.local? }

# Retract all comments of local spammers and close their accounts
local_spammers.each do |spammer|
  Comment.where(author_id: spammer.id).each do |comment|
    spammer.owner.retract(comment)
   end
   spammer.owner.close_account!
end

# Retract all spam comments on posts of local users and delete the rest
Comment.where(author_id: remote_spammers.map(:id)).each do |comment|
  post_author = comment.parent.author
  if post_author.local? && (retract_for.include?(post_author.owner.username) || retract_for.empty?)
    post_author.owner.retract(comment)
  elsif always_delete
    comment.destroy
  end
end