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114 lines
3.5 KiB
Ruby
114 lines
3.5 KiB
Ruby
class UserAnonymizer
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attr_reader :user_history
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# opts:
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# anonymize_ip - an optional new IP to update their logs with
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def initialize(user, actor = nil, opts = nil)
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@user = user
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@actor = actor
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@user_history = nil
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@opts = opts || {}
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end
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def self.make_anonymous(user, actor = nil, opts = nil)
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self.new(user, actor, opts).make_anonymous
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end
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def make_anonymous
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User.transaction do
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@prev_email = @user.email
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@prev_username = @user.username
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raise "Failed to change username" unless UsernameChanger.change(@user, make_anon_username)
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@user.reload
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@user.password = SecureRandom.hex
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@user.email = "#{@user.username}@example.com"
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@user.name = SiteSetting.full_name_required ? @user.username : nil
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@user.date_of_birth = nil
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@user.title = nil
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@user.uploaded_avatar_id = nil
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anonymize_ips(@opts[:anonymize_ip]) if @opts.has_key?(:anonymize_ip)
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@user.save
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options = @user.user_option
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options.email_always = false
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options.mailing_list_mode = false
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options.email_digests = false
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options.email_private_messages = false
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options.email_direct = false
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options.save
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profile = @user.user_profile
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profile.destroy if profile
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@user.create_user_profile
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@user.user_avatar.try(:destroy)
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@user.twitter_user_info.try(:destroy)
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@user.google_user_info.try(:destroy)
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@user.github_user_info.try(:destroy)
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@user.facebook_user_info.try(:destroy)
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@user.single_sign_on_record.try(:destroy)
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@user.oauth2_user_info.try(:destroy)
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@user.instagram_user_info.try(:destroy)
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@user.user_open_ids.find_each { |x| x.destroy }
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@user.api_key.try(:destroy)
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history_details = {
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action: UserHistory.actions[:anonymize_user],
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target_user_id: @user.id,
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acting_user_id: @actor ? @actor.id : @user.id,
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}
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if SiteSetting.log_anonymizer_details?
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history_details[:email] = @prev_email
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history_details[:details] = "username: #{@prev_username}"
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end
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@user_history = UserHistory.create(history_details)
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end
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DiscourseEvent.trigger(:user_anonymized, user: @user, opts: @opts)
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@user
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end
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private
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def make_anon_username
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100.times do
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new_username = "anon#{(SecureRandom.random_number * 100000000).to_i}"
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return new_username unless User.where(username_lower: new_username).exists?
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end
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raise "Failed to generate an anon username"
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end
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def ip_where(column = 'user_id')
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["#{column} = :user_id AND ip_address IS NOT NULL", user_id: @user.id]
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end
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def anonymize_ips(new_ip)
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@user.ip_address = new_ip
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@user.registration_ip_address = new_ip
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IncomingLink.where(ip_where('current_user_id')).update_all(ip_address: new_ip)
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ScreenedEmail.where(email: @prev_email).update_all(ip_address: new_ip)
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SearchLog.where(ip_where).update_all(ip_address: new_ip)
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TopicLinkClick.where(ip_where).update_all(ip_address: new_ip)
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TopicViewItem.where(ip_where).update_all(ip_address: new_ip)
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UserHistory.where(ip_where('acting_user_id')).update_all(ip_address: new_ip)
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UserProfileView.where(ip_where).update_all(ip_address: new_ip)
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# UserHistory for delete_user logs the user's IP. Note this is quite ugly but we don't
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# have a better way of querying on details right now.
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UserHistory.where(
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"action = :action AND details LIKE 'id: #{@user.id}\n%'",
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action: UserHistory.actions[:delete_user]
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).update_all(ip_address: new_ip)
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end
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end
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