don't run spam checks on gold account users (ref #3301)

app/models/dmail.rb

@@ -52,7 +52,11 @@ class Dmail < ApplicationRecord
     def initialize_attributes
       self.from_id ||= CurrentUser.id
       self.creator_ip_addr ||= CurrentUser.ip_addr
-      self.is_spam = spam?
+      if CurrentUser.is_gold?
+        self.is_spam = false
+      else
+        self.is_spam = spam?
+      end
       true
     end
   end

script/fixes/049_spam_1.rb

@@ -0,0 +1,55 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+
+CurrentUser.user = User.system
+CurrentUser.ip_addr = "127.0.0.1"
+
+MIN_USER_ID = 528958
+MIN_DATE = "2017-09-01"
+NAME_REGEXP = /^[a-z0-9]+\d{3,}$/
+BAD_TITLES = ["My collection", "hi", "My private videos", "My video", "hey", "My webcam", "My dirty fantasies", "My new video", "My hot photos", "My hot webcam", "All your desires", "My hot videos", "my profile", "record from my webcam", "my hot webcam"]
+
+spammers = Set.new(Dmail.where("dmails.from_id >= ? and dmails.created_at >= ? and is_spam = ?", MIN_USER_ID, MIN_DATE, true).joins("join users on users.id = dmails.from_id").where("users.name ~ '^[a-z0-9]+[0-9]{3,}$'").pluck("users.id").map(&:to_i).uniq)
+new_spammers = Set.new
+
+User.without_timeout do 
+  Dmail.where("created_at >= ? and is_spam = ?", MIN_DATE, false).find_each do |dmail|
+    from_name = dmail.from_name
+    if dmail.from_id >= MIN_USER_ID && from_name =~ NAME_REGEXP
+      dmail.update_column(:is_spam, true)
+      dmail.spam!
+
+      puts "marked #{dmail.id}"
+
+      if !spammers.include?(dmail.from_id)
+        new_spammers.add(dmail.from_id)
+      end
+    end
+  end
+end
+
+new_new_spammers = Set.new(Dmail.where("from_id >= ? and title in (?) and from_id not in (?)", MIN_USER_ID, BAD_TITLES, (spammers + new_spammers).to_a).pluck(:from_id))
+
+combined_spammers = spammers + new_spammers + new_new_spammers
+User.without_timeout do
+  combined_spammers.each do |uid|
+    user = User.find(uid)
+    tag_change_count = PostArchive.where(updater_id: uid).count
+    vote_count = PostVote.where(user_id: uid).count
+    comment_count = Comment.where(creator_id: uid).count
+    dmail_count = Dmail.where(from_id: uid).count
+
+    if tag_change_count + vote_count + comment_count > 0
+      puts "#{user.name},#{uid},#{tag_change_count},#{vote_count},#{comment_count},#{dmail_count}"
+    end
+  end
+end
+
+combined_spammers.each do |uid|
+  unless Ban.where(user_id: uid).exists?
+    Ban.create(duration: 10000, reason: "Spam (automated ref f6147ace)", user_id: uid)
+    puts "banned #{uid}"
+    sleep 1
+  end
+end