about summary refs log tree commit diff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/cli.rb5
-rw-r--r--lib/mastodon/accounts_cli.rb243
-rw-r--r--lib/mastodon/cli_helper.rb1
-rw-r--r--lib/mastodon/emoji_cli.rb4
-rw-r--r--lib/mastodon/feeds_cli.rb81
-rw-r--r--lib/mastodon/media_cli.rb13
-rw-r--r--lib/mastodon/migration_helpers.rb2
-rw-r--r--lib/mastodon/version.rb6
-rw-r--r--lib/paperclip/lazy_thumbnail.rb6
-rw-r--r--lib/tasks/mastodon.rake370
-rw-r--r--lib/tasks/repo.rake30
11 files changed, 376 insertions, 385 deletions
diff --git a/lib/cli.rb b/lib/cli.rb
index 60bff4147..14a91c2db 100644
--- a/lib/cli.rb
+++ b/lib/cli.rb
@@ -4,6 +4,8 @@ require 'thor'
 require_relative 'mastodon/media_cli'
 require_relative 'mastodon/emoji_cli'
 require_relative 'mastodon/accounts_cli'
+require_relative 'mastodon/feeds_cli'
+
 module Mastodon
   class CLI < Thor
     desc 'media SUBCOMMAND ...ARGS', 'Manage media files'
@@ -14,5 +16,8 @@ module Mastodon
 
     desc 'accounts SUBCOMMAND ...ARGS', 'Manage accounts'
     subcommand 'accounts', Mastodon::AccountsCLI
+
+    desc 'feeds SUBCOMMAND ...ARGS', 'Manage feeds'
+    subcommand 'feeds', Mastodon::FeedsCLI
   end
 end
diff --git a/lib/mastodon/accounts_cli.rb b/lib/mastodon/accounts_cli.rb
index 83b69549d..65c1b395a 100644
--- a/lib/mastodon/accounts_cli.rb
+++ b/lib/mastodon/accounts_cli.rb
@@ -40,12 +40,255 @@ module Mastodon
         say('OK', :green)
       else
         say('No account(s) given', :red)
+        exit(1)
+      end
+    end
+
+    option :email, required: true
+    option :confirmed, type: :boolean
+    option :role, default: 'user'
+    option :reattach, type: :boolean
+    option :force, type: :boolean
+    desc 'create USERNAME', 'Create a new user'
+    long_desc <<-LONG_DESC
+      Create a new user account with a given USERNAME and an
+      e-mail address provided with --email.
+
+      With the --confirmed option, the confirmation e-mail will
+      be skipped and the account will be active straight away.
+
+      With the --role option one of  "user", "admin" or "moderator"
+      can be supplied. Defaults to "user"
+
+      With the --reattach option, the new user will be reattached
+      to a given existing username of an old account. If the old
+      account is still in use by someone else, you can supply
+      the --force option to delete the old record and reattach the
+      username to the new account anyway.
+    LONG_DESC
+    def create(username)
+      account  = Account.new(username: username)
+      password = SecureRandom.hex
+      user     = User.new(email: options[:email], password: password, admin: options[:role] == 'admin', moderator: options[:role] == 'moderator', confirmed_at: Time.now.utc)
+
+      if options[:reattach]
+        account = Account.find_local(username) || Account.new(username: username)
+
+        if account.user.present? && !options[:force]
+          say('The chosen username is currently in use', :red)
+          say('Use --force to reattach it anyway and delete the other user')
+          return
+        elsif account.user.present?
+          account.user.destroy!
+        end
+      end
+
+      user.account = account
+
+      if user.save
+        if options[:confirmed]
+          user.confirmed_at = nil
+          user.confirm!
+        end
+
+        say('OK', :green)
+        say("New password: #{password}")
+      else
+        user.errors.to_h.each do |key, error|
+          say('Failure/Error: ', :red)
+          say(key)
+          say('    ' + error, :red)
+        end
+
+        exit(1)
+      end
+    end
+
+    option :role
+    option :email
+    option :confirm, type: :boolean
+    option :enable, type: :boolean
+    option :disable, type: :boolean
+    option :disable_2fa, type: :boolean
+    desc 'modify USERNAME', 'Modify a user'
+    long_desc <<-LONG_DESC
+      Modify a user account.
+
+      With the --role option, update the user's role to one of "user",
+      "moderator" or "admin".
+
+      With the --email option, update the user's e-mail address. With
+      the --confirm option, mark the user's e-mail as confirmed.
+
+      With the --disable option, lock the user out of their account. The
+      --enable option is the opposite.
+
+      With the --disable-2fa option, the two-factor authentication
+      requirement for the user can be removed.
+    LONG_DESC
+    def modify(username)
+      user = Account.find_local(username)&.user
+
+      if user.nil?
+        say('No user with such username', :red)
+        exit(1)
+      end
+
+      if options[:role]
+        user.admin = options[:role] == 'admin'
+        user.moderator = options[:role] == 'moderator'
+      end
+
+      user.email = options[:email] if options[:email]
+      user.disabled = false if options[:enable]
+      user.disabled = true if options[:disable]
+      user.otp_required_for_login = false if options[:disable_2fa]
+      user.confirm if options[:confirm]
+
+      if user.save
+        say('OK', :green)
+      else
+        user.errors.to_h.each do |key, error|
+          say('Failure/Error: ', :red)
+          say(key)
+          say('    ' + error, :red)
+        end
+
+        exit(1)
+      end
+    end
+
+    desc 'delete USERNAME', 'Delete a user'
+    long_desc <<-LONG_DESC
+      Remove a user account with a given USERNAME.
+    LONG_DESC
+    def delete(username)
+      account = Account.find_local(username)
+
+      if account.nil?
+        say('No user with such username', :red)
+        exit(1)
+      end
+
+      say("Deleting user with #{account.statuses_count}, this might take a while...")
+      SuspendAccountService.new.call(account, remove_user: true)
+      say('OK', :green)
+    end
+
+    option :dry_run, type: :boolean
+    desc 'cull', 'Remove remote accounts that no longer exist'
+    long_desc <<-LONG_DESC
+      Query every single remote account in the database to determine
+      if it still exists on the origin server, and if it doesn't,
+      remove it from the database.
+
+      Accounts that have had confirmed activity within the last week
+      are excluded from the checks.
+
+      If 10 or more accounts from the same domain cannot be queried
+      due to a connection error (such as missing DNS records) then
+      the domain is considered dead, and all other accounts from it
+      are deleted without further querying.
+
+      With the --dry-run option, no deletes will actually be carried
+      out.
+    LONG_DESC
+    def cull
+      domain_thresholds = Hash.new { |hash, key| hash[key] = 0 }
+      skip_threshold    = 7.days.ago
+      culled            = 0
+      dead_servers      = []
+      dry_run           = options[:dry_run] ? ' (DRY RUN)' : ''
+
+      Account.remote.where(protocol: :activitypub).partitioned.find_each do |account|
+        next if account.updated_at >= skip_threshold || account.last_webfingered_at >= skip_threshold
+
+        unless dead_servers.include?(account.domain)
+          begin
+            code = Request.new(:head, account.uri).perform(&:code)
+          rescue HTTP::ConnectionError
+            domain_thresholds[account.domain] += 1
+
+            if domain_thresholds[account.domain] >= 10
+              dead_servers << account.domain
+            end
+          rescue StandardError
+            next
+          end
+        end
+
+        if [404, 410].include?(code) || dead_servers.include?(account.domain)
+          unless options[:dry_run]
+            SuspendAccountService.new.call(account)
+            account.destroy
+          end
+
+          culled += 1
+          say('.', :green, false)
+        else
+          say('.', nil, false)
+        end
+      end
+
+      say
+      say("Removed #{culled} accounts (#{dead_servers.size} dead servers)#{dry_run}", :green)
+
+      unless dead_servers.empty?
+        say('R.I.P.:', :yellow)
+        dead_servers.each { |domain| say('    ' + domain) }
+      end
+    end
+
+    option :all, type: :boolean
+    option :domain
+    desc 'refresh [USERNAME]', 'Fetch remote user data and files'
+    long_desc <<-LONG_DESC
+      Fetch remote user data and files for one or multiple accounts.
+
+      With the --all option, all remote accounts will be processed.
+      Through the --domain option, this can be narrowed down to a
+      specific domain only. Otherwise, a single remote account must
+      be specified with USERNAME.
+
+      All processing is done in the background through Sidekiq.
+    LONG_DESC
+    def refresh(username = nil)
+      if options[:domain] || options[:all]
+        queued = 0
+        scope  = Account.remote
+        scope  = scope.where(domain: options[:domain]) if options[:domain]
+
+        scope.select(:id).reorder(nil).find_in_batches do |accounts|
+          Maintenance::RedownloadAccountMediaWorker.push_bulk(accounts.map(&:id))
+          queued += accounts.size
+        end
+
+        say("Scheduled refreshment of #{queued} accounts", :green, true)
+      elsif username.present?
+        username, domain = username.split('@')
+        account = Account.find_remote(username, domain)
+
+        if account.nil?
+          say('No such account', :red)
+          exit(1)
+        end
+
+        Maintenance::RedownloadAccountMediaWorker.perform_async(account.id)
+        say('OK', :green)
+      else
+        say('No account(s) given', :red)
+        exit(1)
       end
     end
 
     private
 
     def rotate_keys_for_account(account, delay = 0)
+      if account.nil?
+        say('No such account', :red)
+        exit(1)
+      end
+
       old_key = account.private_key
       new_key = OpenSSL::PKey::RSA.new(2048).to_pem
       account.update(private_key: new_key)
diff --git a/lib/mastodon/cli_helper.rb b/lib/mastodon/cli_helper.rb
index 8c4d9731c..2f807d08c 100644
--- a/lib/mastodon/cli_helper.rb
+++ b/lib/mastodon/cli_helper.rb
@@ -4,5 +4,6 @@ dev_null = Logger.new('/dev/null')
 
 Rails.logger                 = dev_null
 ActiveRecord::Base.logger    = dev_null
+ActiveJob::Base.logger       = dev_null
 HttpLog.configuration.logger = dev_null
 Paperclip.options[:log]      = false
diff --git a/lib/mastodon/emoji_cli.rb b/lib/mastodon/emoji_cli.rb
index 0a773c771..5bc51d034 100644
--- a/lib/mastodon/emoji_cli.rb
+++ b/lib/mastodon/emoji_cli.rb
@@ -5,8 +5,6 @@ require_relative '../../config/boot'
 require_relative '../../config/environment'
 require_relative 'cli_helper'
 
-# rubocop:disable Rails/Output
-
 module Mastodon
   class EmojiCLI < Thor
     option :prefix
@@ -77,5 +75,3 @@ module Mastodon
     end
   end
 end
-
-# rubocop:enable Rails/Output
diff --git a/lib/mastodon/feeds_cli.rb b/lib/mastodon/feeds_cli.rb
new file mode 100644
index 000000000..c3fca723e
--- /dev/null
+++ b/lib/mastodon/feeds_cli.rb
@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+require_relative '../../config/boot'
+require_relative '../../config/environment'
+require_relative 'cli_helper'
+
+module Mastodon
+  class FeedsCLI < Thor
+    option :all, type: :boolean, default: false
+    option :background, type: :boolean, default: false
+    option :dry_run, type: :boolean, default: false
+    option :verbose, type: :boolean, default: false
+    desc 'build [USERNAME]', 'Build home and list feeds for one or all users'
+    long_desc <<-LONG_DESC
+      Build home and list feeds that are stored in Redis from the database.
+
+      With the --all option, all active users will be processed.
+      Otherwise, a single user specified by USERNAME.
+
+      With the --background option, regeneration will be queued into Sidekiq,
+      and the command will exit as soon as possible.
+
+      With the --dry-run option, no work will be done.
+
+      With the --verbose option, when accounts are processed sequentially in the
+      foreground, the IDs of the accounts will be printed.
+    LONG_DESC
+    def build(username = nil)
+      dry_run = options[:dry_run] ? '(DRY RUN)' : ''
+
+      if options[:all] || username.nil?
+        processed = 0
+        queued    = 0
+
+        User.active.select(:id, :account_id).reorder(nil).find_in_batches do |users|
+          if options[:background]
+            RegenerationWorker.push_bulk(users.map(&:account_id)) unless options[:dry_run]
+            queued += users.size
+          else
+            users.each do |user|
+              RegenerationWorker.new.perform(user.account_id) unless options[:dry_run]
+              options[:verbose] ? say(user.account_id) : say('.', :green, false)
+              processed += 1
+            end
+          end
+        end
+
+        if options[:background]
+          say("Scheduled feed regeneration for #{queued} accounts #{dry_run}", :green, true)
+        else
+          say
+          say("Regenerated feeds for #{processed} accounts #{dry_run}", :green, true)
+        end
+      elsif username.present?
+        account = Account.find_local(username)
+
+        if options[:background]
+          RegenerationWorker.perform_async(account.id) unless options[:dry_run]
+        else
+          RegenerationWorker.new.perform(account.id) unless options[:dry_run]
+        end
+
+        say("OK #{dry_run}", :green, true)
+      else
+        say('No account(s) given', :red)
+        exit(1)
+      end
+    end
+
+    desc 'clear', 'Remove all home and list feeds from Redis'
+    def clear
+      keys = Redis.current.keys('feed:*')
+
+      Redis.current.pipelined do
+        keys.each { |key| Redis.current.del(key) }
+      end
+
+      say('OK', :green)
+    end
+  end
+end
diff --git a/lib/mastodon/media_cli.rb b/lib/mastodon/media_cli.rb
index 12ebdb774..8aa9f7903 100644
--- a/lib/mastodon/media_cli.rb
+++ b/lib/mastodon/media_cli.rb
@@ -4,8 +4,6 @@ require_relative '../../config/boot'
 require_relative '../../config/environment'
 require_relative 'cli_helper'
 
-# rubocop:disable Rails/Output
-
 module Mastodon
   class MediaCLI < Thor
     option :days, type: :numeric, default: 7
@@ -25,9 +23,10 @@ module Mastodon
       it may impact other operations of the Mastodon server, and it may overload
       the underlying file storage.
 
-      With the --verbose option, output deleting file ID to console (only when --background false).
+      With the --dry-run option, no work will be done.
 
-      With the --dry-run option, output the number of files to delete without deleting.
+      With the --verbose option, when media attachments are processed sequentially in the
+      foreground, the IDs of the media attachments will be printed.
     DESC
     def remove
       time_ago  = options[:days].days.ago
@@ -53,12 +52,10 @@ module Mastodon
       say
 
       if options[:background]
-        say("Scheduled the deletion of #{queued} media attachments #{dry_run}.", :green)
+        say("Scheduled the deletion of #{queued} media attachments #{dry_run}", :green, true)
       else
-        say("Removed #{processed} media attachments #{dry_run}.", :green)
+        say("Removed #{processed} media attachments #{dry_run}", :green, true)
       end
     end
   end
 end
-
-# rubocop:enable Rails/Output
diff --git a/lib/mastodon/migration_helpers.rb b/lib/mastodon/migration_helpers.rb
index e154b5a2c..5c135685f 100644
--- a/lib/mastodon/migration_helpers.rb
+++ b/lib/mastodon/migration_helpers.rb
@@ -835,7 +835,7 @@ module Mastodon
       columns(table).find { |column| column.name == name }
     end
 
-    # This will replace the first occurance of a string in a column with
+    # This will replace the first occurrence of a string in a column with
     # the replacement
     # On postgresql we can use `regexp_replace` for that.
     # On mysql we find the location of the pattern, and overwrite it
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 0442a156d..fc7fa5aca 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -28,8 +28,12 @@ module Mastodon
       [major, minor, patch, pre].compact
     end
 
+    def suffix
+      '+glitch'
+    end
+
     def to_s
-      [to_a.join('.'), flags].join
+      [to_a.join('.'), flags, suffix].join
     end
 
     def repository
diff --git a/lib/paperclip/lazy_thumbnail.rb b/lib/paperclip/lazy_thumbnail.rb
index ea675a5bf..542c17fb2 100644
--- a/lib/paperclip/lazy_thumbnail.rb
+++ b/lib/paperclip/lazy_thumbnail.rb
@@ -20,7 +20,7 @@ module Paperclip
     private
 
     def needs_convert?
-      needs_different_geometry? || needs_different_format?
+      needs_different_geometry? || needs_different_format? || needs_metadata_stripping?
     end
 
     def needs_different_geometry?
@@ -31,5 +31,9 @@ module Paperclip
     def needs_different_format?
       @format.present? && @current_format != @format
     end
+
+    def needs_metadata_stripping?
+      @attachment.instance.respond_to?(:local?) && @attachment.instance.local?
+    end
   end
 end
diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index 649a22a0b..ec8800819 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -390,139 +390,6 @@ namespace :mastodon do
     end
   end
 
-  desc 'Turn a user into an admin, identified by the USERNAME environment variable'
-  task make_admin: :environment do
-    include RoutingHelper
-
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(admin: true)
-      puts "Congrats! #{account_username} is now an admin. \\o/\nNavigate to #{edit_admin_settings_url} to get started"
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Turn a user into a moderator, identified by the USERNAME environment variable'
-  task make_mod: :environment do
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(moderator: true)
-      puts "Congrats! #{account_username} is now a moderator \\o/"
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Remove admin and moderator privileges from user identified by the USERNAME environment variable'
-  task revoke_staff: :environment do
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(moderator: false, admin: false)
-      puts "#{account_username} is no longer admin or moderator."
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Manually confirms a user with associated user email address stored in USER_EMAIL environment variable.'
-  task confirm_email: :environment do
-    email = ENV.fetch('USER_EMAIL')
-    user  = User.find_by(email: email)
-
-    if user
-      user.update(confirmed_at: Time.now.utc)
-      puts "#{email} confirmed"
-    else
-      abort "#{email} not found"
-    end
-  end
-
-  desc 'Add a user by providing their email, username and initial password.' \
-       'The user will receive a confirmation email, then they must reset their password before logging in.'
-  task add_user: :environment do
-    disable_log_stdout!
-
-    prompt = TTY::Prompt.new
-
-    begin
-      email = prompt.ask('E-mail:', required: true) do |q|
-        q.modify :strip
-      end
-
-      username = prompt.ask('Username:', required: true) do |q|
-        q.modify :strip
-      end
-
-      role = prompt.select('Role:', %w(user moderator admin))
-
-      if prompt.yes?('Proceed to create the user?')
-        user = User.new(email: email, password: SecureRandom.hex, admin: role == 'admin', moderator: role == 'moderator', account_attributes: { username: username })
-
-        if user.save
-          prompt.ok 'User created and confirmation mail sent to the user\'s email address.'
-          prompt.ok "Here is the random password generated for the user: #{user.password}"
-        else
-          prompt.warn 'User was not created because of the following errors:'
-
-          user.errors.each do |key, val|
-            prompt.error "#{key}: #{val}"
-          end
-        end
-      else
-        prompt.ok 'Aborting. Bye!'
-      end
-    rescue TTY::Reader::InputInterrupt
-      prompt.ok 'Aborting. Bye!'
-    end
-  end
-
-  namespace :media do
-    desc 'Remove media attachments attributed to silenced accounts'
-    task remove_silenced: :environment do
-      nb_media_attachments = 0
-      MediaAttachment.where(account: Account.silenced).select(:id).reorder(nil).find_in_batches do |media_attachments|
-        nb_media_attachments += media_attachments.length
-        Maintenance::DestroyMediaWorker.push_bulk(media_attachments.map(&:id))
-      end
-      puts "Scheduled the deletion of #{nb_media_attachments} media attachments"
-    end
-
-    desc 'Remove cached remote media attachments that are older than NUM_DAYS. By default 7 (week)'
-    task remove_remote: :environment do
-      puts 'Please use `./bin/tootctl media remove --help` directly'.colorize(:yellow)
-      require_relative '../mastodon/media_cli'
-      cli = Mastodon::MediaCLI.new([], days: (ENV['NUM_DAYS'] || 7).to_i)
-      cli.invoke(:remove)
-    end
-
-    desc 'Set unknown attachment type for remote-only attachments'
-    task set_unknown: :environment do
-      puts 'Setting unknown attachment type for remote-only attachments...'
-      MediaAttachment.where(file_file_name: nil).where.not(type: :unknown).in_batches.update_all(type: :unknown)
-      puts 'Done!'
-    end
-
-    desc 'Redownload avatars/headers of remote users. Optionally limit to a particular domain with DOMAIN'
-    task redownload_avatars: :environment do
-      accounts = Account.remote
-      accounts = accounts.where(domain: ENV['DOMAIN']) if ENV['DOMAIN'].present?
-      nb_accounts = 0
-
-      accounts.select(:id).reorder(nil).find_in_batches do |accounts_batch|
-        nb_accounts += accounts_batch.length
-        Maintenance::RedownloadAccountMediaWorker.push_bulk(accounts_batch.map(&:id))
-      end
-      puts "Scheduled the download of avatars/headers for #{nb_accounts} remote users"
-    end
-  end
-
   namespace :push do
     desc 'Unsubscribes from PuSH updates of feeds nobody follows locally'
     task clear: :environment do
@@ -530,28 +397,6 @@ namespace :mastodon do
     end
   end
 
-  namespace :feeds do
-    desc 'Clear all timelines without regenerating them'
-    task clear_all: :environment do
-      Redis.current.keys('feed:*').each { |key| Redis.current.del(key) }
-    end
-
-    desc 'Generates home timelines for users who logged in in the past two weeks'
-    task build: :environment do
-      User.active.select(:id, :account_id).reorder(nil).find_in_batches do |users|
-        RegenerationWorker.push_bulk(users.map(&:account_id))
-      end
-    end
-  end
-
-  namespace :users do
-    desc 'List e-mails of all admin users'
-    task admins: :environment do
-      puts 'Admin user emails:'
-      puts User.admins.map(&:email).join("\n")
-    end
-  end
-
   namespace :settings do
     desc 'Open registrations on this instance'
     task open_registrations: :environment do
@@ -572,221 +417,6 @@ namespace :mastodon do
       puts "VAPID_PUBLIC_KEY=#{vapid_key.public_key}"
     end
   end
-
-  namespace :maintenance do
-    desc 'Update counter caches'
-    task update_counter_caches: :environment do
-      puts 'Updating counter caches for accounts...'
-
-      Account.unscoped.where.not(protocol: :activitypub).select('id').find_in_batches do |batch|
-        Account.where(id: batch.map(&:id)).update_all('statuses_count = (select count(*) from statuses where account_id = accounts.id), followers_count = (select count(*) from follows where target_account_id = accounts.id), following_count = (select count(*) from follows where account_id = accounts.id)')
-      end
-
-      puts 'Updating counter caches for statuses...'
-
-      Status.unscoped.select('id').find_in_batches do |batch|
-        Status.where(id: batch.map(&:id)).update_all('favourites_count = (select count(*) from favourites where favourites.status_id = statuses.id), reblogs_count = (select count(*) from statuses as reblogs where reblogs.reblog_of_id = statuses.id)')
-      end
-
-      puts 'Done!'
-    end
-
-    desc 'Generate static versions of GIF avatars/headers'
-    task add_static_avatars: :environment do
-      puts 'Generating static avatars/headers for GIF ones...'
-
-      Account.unscoped.where(avatar_content_type: 'image/gif').or(Account.unscoped.where(header_content_type: 'image/gif')).find_each do |account|
-        begin
-          account.avatar.reprocess! if account.avatar_content_type == 'image/gif' && !account.avatar.exists?(:static)
-          account.header.reprocess! if account.header_content_type == 'image/gif' && !account.header.exists?(:static)
-        rescue StandardError => e
-          Rails.logger.error "Error while generating static avatars/headers for account #{account.id}: #{e}"
-          next
-        end
-      end
-
-      puts 'Done!'
-    end
-
-    desc 'Ensure referencial integrity'
-    task prepare_for_foreign_keys: :environment do
-      # All the deletes:
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses USING statuses s LEFT JOIN accounts a ON a.id = s.account_id WHERE statuses.id = s.id AND a.id IS NULL')
-
-      if ActiveRecord::Base.connection.table_exists? :account_domain_blocks
-        ActiveRecord::Base.connection.execute('DELETE FROM account_domain_blocks USING account_domain_blocks adb LEFT JOIN accounts a ON a.id = adb.account_id WHERE account_domain_blocks.id = adb.id AND a.id IS NULL')
-      end
-
-      if ActiveRecord::Base.connection.table_exists? :conversation_mutes
-        ActiveRecord::Base.connection.execute('DELETE FROM conversation_mutes USING conversation_mutes cm LEFT JOIN accounts a ON a.id = cm.account_id WHERE conversation_mutes.id = cm.id AND a.id IS NULL')
-        ActiveRecord::Base.connection.execute('DELETE FROM conversation_mutes USING conversation_mutes cm LEFT JOIN conversations c ON c.id = cm.conversation_id WHERE conversation_mutes.id = cm.id AND c.id IS NULL')
-      end
-
-      ActiveRecord::Base.connection.execute('DELETE FROM favourites USING favourites f LEFT JOIN accounts a ON a.id = f.account_id WHERE favourites.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM favourites USING favourites f LEFT JOIN statuses s ON s.id = f.status_id WHERE favourites.id = f.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM blocks USING blocks b LEFT JOIN accounts a ON a.id = b.account_id WHERE blocks.id = b.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM blocks USING blocks b LEFT JOIN accounts a ON a.id = b.target_account_id WHERE blocks.id = b.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follow_requests USING follow_requests fr LEFT JOIN accounts a ON a.id = fr.account_id WHERE follow_requests.id = fr.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follow_requests USING follow_requests fr LEFT JOIN accounts a ON a.id = fr.target_account_id WHERE follow_requests.id = fr.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follows USING follows f LEFT JOIN accounts a ON a.id = f.account_id WHERE follows.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follows USING follows f LEFT JOIN accounts a ON a.id = f.target_account_id WHERE follows.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mutes USING mutes m LEFT JOIN accounts a ON a.id = m.account_id WHERE mutes.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mutes USING mutes m LEFT JOIN accounts a ON a.id = m.target_account_id WHERE mutes.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM imports USING imports i LEFT JOIN accounts a ON a.id = i.account_id WHERE imports.id = i.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mentions USING mentions m LEFT JOIN accounts a ON a.id = m.account_id WHERE mentions.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mentions USING mentions m LEFT JOIN statuses s ON s.id = m.status_id WHERE mentions.id = m.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM notifications USING notifications n LEFT JOIN accounts a ON a.id = n.account_id WHERE notifications.id = n.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM notifications USING notifications n LEFT JOIN accounts a ON a.id = n.from_account_id WHERE notifications.id = n.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM preview_cards USING preview_cards pc LEFT JOIN statuses s ON s.id = pc.status_id WHERE preview_cards.id = pc.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM reports USING reports r LEFT JOIN accounts a ON a.id = r.account_id WHERE reports.id = r.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM reports USING reports r LEFT JOIN accounts a ON a.id = r.target_account_id WHERE reports.id = r.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses_tags USING statuses_tags st LEFT JOIN statuses s ON s.id = st.status_id WHERE statuses_tags.tag_id = st.tag_id AND statuses_tags.status_id = st.status_id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses_tags USING statuses_tags st LEFT JOIN tags t ON t.id = st.tag_id WHERE statuses_tags.tag_id = st.tag_id AND statuses_tags.status_id = st.status_id AND t.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM stream_entries USING stream_entries se LEFT JOIN accounts a ON a.id = se.account_id WHERE stream_entries.id = se.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM subscriptions USING subscriptions s LEFT JOIN accounts a ON a.id = s.account_id WHERE subscriptions.id = s.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM users USING users u LEFT JOIN accounts a ON a.id = u.account_id WHERE users.id = u.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM web_settings USING web_settings ws LEFT JOIN users u ON u.id = ws.user_id WHERE web_settings.id = ws.id AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_grants USING oauth_access_grants oag LEFT JOIN users u ON u.id = oag.resource_owner_id WHERE oauth_access_grants.id = oag.id AND oag.resource_owner_id IS NOT NULL AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_grants USING oauth_access_grants oag LEFT JOIN oauth_applications a ON a.id = oag.application_id WHERE oauth_access_grants.id = oag.id AND oag.application_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_tokens USING oauth_access_tokens oat LEFT JOIN users u ON u.id = oat.resource_owner_id WHERE oauth_access_tokens.id = oat.id AND oat.resource_owner_id IS NOT NULL AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_tokens USING oauth_access_tokens oat LEFT JOIN oauth_applications a ON a.id = oat.application_id WHERE oauth_access_tokens.id = oat.id AND oat.application_id IS NOT NULL AND a.id IS NULL')
-
-      # All the nullifies:
-      ActiveRecord::Base.connection.execute('UPDATE statuses SET in_reply_to_id = NULL FROM statuses s LEFT JOIN statuses rs ON rs.id = s.in_reply_to_id WHERE statuses.id = s.id AND s.in_reply_to_id IS NOT NULL AND rs.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE statuses SET in_reply_to_account_id = NULL FROM statuses s LEFT JOIN accounts a ON a.id = s.in_reply_to_account_id WHERE statuses.id = s.id AND s.in_reply_to_account_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE media_attachments SET status_id = NULL FROM media_attachments ma LEFT JOIN statuses s ON s.id = ma.status_id WHERE media_attachments.id = ma.id AND ma.status_id IS NOT NULL AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE media_attachments SET account_id = NULL FROM media_attachments ma LEFT JOIN accounts a ON a.id = ma.account_id WHERE media_attachments.id = ma.id AND ma.account_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE reports SET action_taken_by_account_id = NULL FROM reports r LEFT JOIN accounts a ON a.id = r.action_taken_by_account_id WHERE reports.id = r.id AND r.action_taken_by_account_id IS NOT NULL AND a.id IS NULL')
-    end
-
-    desc 'Remove deprecated preview cards'
-    task remove_deprecated_preview_cards: :environment do
-      next unless ActiveRecord::Base.connection.table_exists? 'deprecated_preview_cards'
-
-      class DeprecatedPreviewCard < ActiveRecord::Base
-        self.inheritance_column = false
-
-        path = '/preview_cards/:attachment/:id_partition/:style/:filename'
-        if ENV['S3_ENABLED'] != 'true'
-          path = (ENV['PAPERCLIP_ROOT_PATH'] || ':rails_root/public/system') + path
-        end
-
-        has_attached_file :image, styles: { original: '280x120>' }, convert_options: { all: '-quality 80 -strip' }, path: path
-      end
-
-      puts 'Delete records and associated files from deprecated preview cards? [y/N]: '
-      confirm = STDIN.gets.chomp
-
-      if confirm.casecmp('y').zero?
-        DeprecatedPreviewCard.in_batches.destroy_all
-
-        puts 'Drop deprecated preview cards table? [y/N]: '
-        confirm = STDIN.gets.chomp
-
-        if confirm.casecmp('y').zero?
-          ActiveRecord::Migration.drop_table :deprecated_preview_cards
-        end
-      end
-    end
-
-    desc 'Migrate photo preview cards made before 2.1'
-    task migrate_photo_preview_cards: :environment do
-      status_ids = Status.joins(:preview_cards)
-                         .where(preview_cards: { embed_url: '', type: :photo })
-                         .reorder(nil)
-                         .group(:id)
-                         .pluck(:id)
-
-      PreviewCard.where(embed_url: '', type: :photo).delete_all
-      LinkCrawlWorker.push_bulk status_ids
-    end
-
-    desc 'Find case-insensitive username duplicates of local users'
-    task find_duplicate_usernames: :environment do
-      include RoutingHelper
-
-      disable_log_stdout!
-
-      duplicate_masters = Account.find_by_sql('SELECT * FROM accounts WHERE id IN (SELECT min(id) FROM accounts WHERE domain IS NULL GROUP BY lower(username) HAVING count(*) > 1)')
-      pastel = Pastel.new
-
-      duplicate_masters.each do |account|
-        puts pastel.yellow('First of their name: ') + pastel.bold(account.username) + " (#{admin_account_url(account.id)})"
-
-        Account.where('lower(username) = ?', account.username.downcase).where.not(id: account.id).each do |duplicate|
-          puts '  ' + pastel.red('Duplicate: ') + admin_account_url(duplicate.id)
-        end
-      end
-    end
-
-    desc 'Remove all home feed regeneration markers'
-    task remove_regeneration_markers: :environment do
-      keys = Redis.current.keys('account:*:regeneration')
-
-      Redis.current.pipelined do
-        keys.each { |key| Redis.current.del(key) }
-      end
-    end
-
-    desc 'Check every known remote account and delete those that no longer exist in origin'
-    task purge_removed_accounts: :environment do
-      prepare_for_options!
-
-      options = {}
-
-      OptionParser.new do |opts|
-        opts.banner = 'Usage: rails mastodon:maintenance:purge_removed_accounts [options]'
-
-        opts.on('-f', '--force', 'Remove all encountered accounts without asking for confirmation') do
-          options[:force] = true
-        end
-
-        opts.on('-h', '--help', 'Display this message') do
-          puts opts
-          exit
-        end
-      end.parse!
-
-      disable_log_stdout!
-
-      total        = Account.remote.where(protocol: :activitypub).count
-      progress_bar = ProgressBar.create(total: total, format: '%c/%C |%w>%i| %e')
-
-      Account.remote.where(protocol: :activitypub).partitioned.find_each do |account|
-        progress_bar.increment
-
-        begin
-          code = Request.new(:head, account.uri).perform(&:code)
-        rescue StandardError
-          # This could happen due to network timeout, DNS timeout, wrong SSL cert, etc,
-          # which should probably not lead to perceiving the account as deleted, so
-          # just skip till next time
-          next
-        end
-
-        if [404, 410].include?(code)
-          if options[:force]
-            SuspendAccountService.new.call(account)
-            account.destroy
-          else
-            progress_bar.pause
-            progress_bar.clear
-            print "\nIt seems like #{account.acct} no longer exists. Purge the account from the database? [Y/n]: ".colorize(:yellow)
-            confirm = STDIN.gets.chomp
-            puts ''
-            progress_bar.resume
-
-            if confirm.casecmp('n').zero?
-              next
-            else
-              SuspendAccountService.new.call(account)
-              account.destroy
-            end
-          end
-        end
-      end
-    end
-  end
 end
 
 def disable_log_stdout!
diff --git a/lib/tasks/repo.rake b/lib/tasks/repo.rake
new file mode 100644
index 000000000..367859e94
--- /dev/null
+++ b/lib/tasks/repo.rake
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+namespace :repo do
+  desc 'Generate the authors.md file'
+  task :authors do
+    file = File.open('AUTHORS.md', 'w')
+    file << <<~HEADER
+      Mastodon is available on [GitHub](https://github.com/tootsuite/mastodon)
+      and provided thanks to the work of the following contributors:
+
+    HEADER
+
+    url = 'https://api.github.com/repos/tootsuite/mastodon/contributors?anon=1'
+    HttpLog.config.compact_log = true
+    while url.present?
+      response = HTTP.get(url)
+      contributors = Oj.load(response.body)
+      contributors.each do |c|
+        file << "* [#{c['login']}](#{c['html_url']})\n" if c['login']
+        file << "* [#{c['name']}](mailto:#{c['email']})\n" if c['name']
+      end
+      url = LinkHeader.parse(response.headers['Link']).find_link(%w(rel next))&.href
+    end
+
+    file << <<~FOOTER
+
+      This document is provided for informational purposes only. Since it is only updated once per release, the version you are looking at may be currently out of date. To see the full list of contributors, consider looking at the [git history](https://github.com/tootsuite/mastodon/graphs/contributors) instead.
+    FOOTER
+  end
+end