Add audit log entries for user roles (#19040)

* Refactor audit log schema

* Add audit log entries for user roles

app/models/account.rb

@@ -362,6 +362,10 @@ class Account < ApplicationRecord
     username
   end
 
+  def to_log_human_identifier
+    acct
+  end
+
   def excluded_from_timeline_account_ids
     Rails.cache.fetch("exclude_account_ids_for:#{id}") { block_relationships.pluck(:target_account_id) + blocked_by_relationships.pluck(:account_id) + mute_relationships.pluck(:target_account_id) }
   end

app/models/account_warning.rb

@@ -43,4 +43,8 @@ class AccountWarning < ApplicationRecord
   def overruled?
     overruled_at.present?
   end
+
+  def to_log_human_identifier
+    target_account.acct
+  end
 end

app/models/admin/action_log.rb

@@ -9,38 +9,42 @@
 #  action           :string           default(""), not null
 #  target_type      :string
 #  target_id        :bigint(8)
-#  recorded_changes :text             default(""), not null
 #  created_at       :datetime         not null
 #  updated_at       :datetime         not null
+#  human_identifier :string
+#  route_param      :string
+#  permalink        :string
 #
 
 class Admin::ActionLog < ApplicationRecord
-  serialize :recorded_changes
+  self.ignored_columns = %w(
+    recorded_changes
+  )
 
   belongs_to :account
   belongs_to :target, polymorphic: true, optional: true
 
   default_scope -> { order('id desc') }
 
+  before_validation :set_human_identifier
+  before_validation :set_route_param
+  before_validation :set_permalink
+
   def action
     super.to_sym
   end
 
-  before_validation :set_changes
-
   private
 
-  def set_changes
-    case action
-    when :destroy, :create
-      self.recorded_changes = target.attributes
-    when :update, :promote, :demote
-      self.recorded_changes = target.previous_changes
-    when :change_email
-      self.recorded_changes = ActiveSupport::HashWithIndifferentAccess.new(
-        email: [target.email, nil],
-        unconfirmed_email: [nil, target.unconfirmed_email]
-      )
-    end
+  def set_human_identifier
+    self.human_identifier = target.to_log_human_identifier if target.respond_to?(:to_log_human_identifier)
+  end
+
+  def set_route_param
+    self.route_param = target.to_log_route_param if target.respond_to?(:to_log_route_param)
+  end
+
+  def set_permalink
+    self.permalink = target.to_log_permalink if target.respond_to?(:to_log_permalink)
   end
 end

app/models/admin/action_log_filter.rb

@@ -12,6 +12,7 @@ class Admin::ActionLogFilter
     reject_appeal: { target_type: 'Appeal', action: 'reject' }.freeze,
     assigned_to_self_report: { target_type: 'Report', action: 'assigned_to_self' }.freeze,
     change_email_user: { target_type: 'User', action: 'change_email' }.freeze,
+    change_role_user: { target_type: 'User', action: 'change_role' }.freeze,
     confirm_user: { target_type: 'User', action: 'confirm' }.freeze,
     approve_user: { target_type: 'User', action: 'approve' }.freeze,
     reject_user: { target_type: 'User', action: 'reject' }.freeze,
@@ -22,6 +23,7 @@ class Admin::ActionLogFilter
     create_domain_block: { target_type: 'DomainBlock', action: 'create' }.freeze,
     create_email_domain_block: { target_type: 'EmailDomainBlock', action: 'create' }.freeze,
     create_unavailable_domain: { target_type: 'UnavailableDomain', action: 'create' }.freeze,
+    create_user_role: { target_type: 'UserRole', action: 'create' }.freeze,
     demote_user: { target_type: 'User', action: 'demote' }.freeze,
     destroy_announcement: { target_type: 'Announcement', action: 'destroy' }.freeze,
     destroy_custom_emoji: { target_type: 'CustomEmoji', action: 'destroy' }.freeze,
@@ -31,6 +33,7 @@ class Admin::ActionLogFilter
     destroy_instance: { target_type: 'Instance', action: 'destroy' }.freeze,
     destroy_unavailable_domain: { target_type: 'UnavailableDomain', action: 'destroy' }.freeze,
     destroy_status: { target_type: 'Status', action: 'destroy' }.freeze,
+    destroy_user_role: { target_type: 'UserRole', action: 'destroy' }.freeze,
     disable_2fa_user: { target_type: 'User', action: 'disable' }.freeze,
     disable_custom_emoji: { target_type: 'CustomEmoji', action: 'disable' }.freeze,
     disable_user: { target_type: 'User', action: 'disable' }.freeze,
@@ -52,6 +55,7 @@ class Admin::ActionLogFilter
     update_announcement: { target_type: 'Announcement', action: 'update' }.freeze,
     update_custom_emoji: { target_type: 'CustomEmoji', action: 'update' }.freeze,
     update_status: { target_type: 'Status', action: 'update' }.freeze,
+    update_user_role: { target_type: 'UserRole', action: 'update' }.freeze,
     unblock_email_account: { target_type: 'Account', action: 'unblock_email' }.freeze,
   }.freeze
 

app/models/announcement.rb

@@ -34,6 +34,10 @@ class Announcement < ApplicationRecord
   before_validation :set_all_day
   before_validation :set_published, on: :create
 
+  def to_log_human_identifier
+    text
+  end
+
   def publish!
     update!(published: true, published_at: Time.now.utc, scheduled_at: nil)
   end

app/models/appeal.rb

@@ -52,6 +52,14 @@ class Appeal < ApplicationRecord
     update!(rejected_at: Time.now.utc, rejected_by_account: current_account)
   end
 
+  def to_log_human_identifier
+    account.acct
+  end
+
+  def to_log_route_param
+    account_warning_id
+  end
+
   private
 
   def validate_time_frame

app/models/custom_emoji.rb

@@ -46,7 +46,7 @@ class CustomEmoji < ApplicationRecord
   scope :local, -> { where(domain: nil) }
   scope :remote, -> { where.not(domain: nil) }
   scope :alphabetic, -> { order(domain: :asc, shortcode: :asc) }
-  scope :by_domain_and_subdomains, ->(domain) { where(domain: domain).or(where(arel_table[:domain].matches('%.' + domain))) }
+  scope :by_domain_and_subdomains, ->(domain) { where(domain: domain).or(where(arel_table[:domain].matches("%.#{domain}"))) }
   scope :listed, -> { local.where(disabled: false).where(visible_in_picker: true) }
 
   remotable_attachment :image, LIMIT
@@ -67,6 +67,10 @@ class CustomEmoji < ApplicationRecord
     copy.tap(&:save!)
   end
 
+  def to_log_human_identifier
+    shortcode
+  end
+
   class << self
     def from_text(text, domain = nil)
       return [] if text.blank?

app/models/domain_allow.rb

@@ -19,6 +19,10 @@ class DomainAllow < ApplicationRecord
 
   scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
 
+  def to_log_human_identifier
+    domain
+  end
+
   class << self
     def allowed?(domain)
       !rule_for(domain).nil?

app/models/domain_block.rb

@@ -31,6 +31,10 @@ class DomainBlock < ApplicationRecord
   scope :with_user_facing_limitations, -> { where(severity: [:silence, :suspend]).or(where(reject_media: true)) }
   scope :by_severity, -> { order(Arel.sql('(CASE severity WHEN 0 THEN 1 WHEN 1 THEN 2 WHEN 2 THEN 0 END), reject_media, domain')) }
 
+  def to_log_human_identifier
+    domain
+  end
+
   def policies
     if suspend?
       [:suspend]

app/models/email_domain_block.rb

@@ -26,6 +26,10 @@ class EmailDomainBlock < ApplicationRecord
   # Used for adding multiple blocks at once
   attr_accessor :other_domains
 
+  def to_log_human_identifier
+    domain
+  end
+
   def history
     @history ||= Trends::History.new('email_domain_blocks', id)
   end

app/models/form/account_batch.rb

@@ -101,7 +101,7 @@ class Form::AccountBatch
 
   def reject_account(account)
     authorize(account.user, :reject?)
-    log_action(:reject, account.user, username: account.username)
+    log_action(:reject, account.user)
     account.suspend!(origin: :local)
     AccountDeletionWorker.perform_async(account.id, { 'reserve_username' => false })
   end

app/models/instance.rb

@@ -48,6 +48,8 @@ class Instance < ApplicationRecord
     domain
   end
 
+  alias to_log_human_identifier to_param
+
   delegate :exhausted_deliveries_days, to: :delivery_failure_tracker
 
   def availability_over_days(num_days, end_date = Time.now.utc.to_date)

app/models/ip_block.rb

@@ -27,6 +27,10 @@ class IpBlock < ApplicationRecord
 
   after_commit :reset_cache
 
+  def to_log_human_identifier
+    "#{record.ip}/#{record.ip.prefix}"
+  end
+
   class << self
     def blocked?(remote_ip)
       blocked_ips_map = Rails.cache.fetch(CACHE_KEY) { FastIpMap.new(IpBlock.where(severity: :no_access).pluck(:ip)) }

app/models/report.rb

@@ -115,6 +115,10 @@ class Report < ApplicationRecord
     Report.where.not(id: id).where(target_account_id: target_account_id).unresolved.exists?
   end
 
+  def to_log_human_identifier
+    id
+  end
+
   def history
     subquery = [
       Admin::ActionLog.where(
@@ -136,6 +140,8 @@ class Report < ApplicationRecord
     Admin::ActionLog.from(Arel::Nodes::As.new(subquery, Admin::ActionLog.arel_table))
   end
 
+  private
+
   def set_uri
     self.uri = ActivityPub::TagManager.instance.generate_uri_for(self) if uri.nil? && account.local?
   end

app/models/status.rb

@@ -166,6 +166,14 @@ class Status < ApplicationRecord
     ].compact.join("\n\n")
   end
 
+  def to_log_human_identifier
+    account.acct
+  end
+
+  def to_log_permalink
+    ActivityPub::TagManager.instance.uri_for(self)
+  end
+
   def reply?
     !in_reply_to_id.nil? || attributes['reply']
   end

app/models/unavailable_domain.rb

@@ -16,6 +16,10 @@ class UnavailableDomain < ApplicationRecord
 
   after_commit :reset_cache!
 
+  def to_log_human_identifier
+    domain
+  end
+
   private
 
   def reset_cache!

app/models/user.rb

@@ -181,6 +181,14 @@ class User < ApplicationRecord
     update!(disabled: false)
   end
 
+  def to_log_human_identifier
+    account.acct
+  end
+
+  def to_log_route_param
+    account_id
+  end
+
   def confirm
     new_user      = !confirmed?
     self.approved = true if open_registrations? && !sign_up_from_ip_requires_approval?

app/models/user_role.rb

@@ -155,6 +155,10 @@ class UserRole < ApplicationRecord
     end
   end
 
+  def to_log_human_identifier
+    name
+  end
+
   private
 
   def in_permissions?(privilege)