Deletes spam comments, posts, likes and local spam accounts & profiles. Place into Diasporas root, edit and run. Don't forget to set necessary environment variables.

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.
# And delete posts of users in spam_accounts that aren't local.
always_delete = true

# Keep empty (%w() or []) to retract spam comments from remote accounts
# 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(&: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

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

# Destroy posts and local profiles of remote users if wanted
if always_delete
  Post.where(author_id: remote_spammers.map(&:id)).each(&:destroy)
  Person.where(id: remote_spammers.map(&:id)).each(&:destroy)
end