Merge admin and api users

app/models/api_user_deprecated.rb

@@ -0,0 +1,52 @@
+require 'open3'
+
+# rubocop: disable Metrics/ClassLength
+class ApiUserDeprecated < ActiveRecord::Base
+  self.table_name = "api_users"
+  # TODO: should have max request limit per day
+  belongs_to :registrar
+  has_many :contacts
+
+  validates :username, :password, :registrar, presence: true
+  validates :username, uniqueness: true
+
+  before_save :create_crt, if: -> (au) { au.csr_changed? }
+
+  attr_accessor :registrar_typeahead
+
+  def registrar_typeahead
+    @registrar_typeahead || registrar || nil
+  end
+
+  def to_s
+    username
+  end
+
+  def queued_messages
+    registrar.messages.queued
+  end
+
+  def create_crt
+    csr_file = Tempfile.new('client_csr')
+    csr_file.write(csr)
+    csr_file.rewind
+
+    crt_file = Tempfile.new('client_crt')
+    _out, err, _st = Open3.capture3("openssl ca -keyfile #{APP_CONFIG['ca_key_path']} \
+    -cert #{APP_CONFIG['ca_cert_path']} \
+    -extensions usr_cert -notext -md sha256 \
+    -in #{csr_file.path} -out #{crt_file.path} -key '#{APP_CONFIG['ca_key_password']}' -batch")
+
+    if err.match(/Data Base Updated/)
+      crt_file.rewind
+      self.crt = crt_file.read
+      return true
+    else
+      errors.add(:base, I18n.t('failed_to_create_certificate'))
+      logger.error('FAILED TO CREATE CLIENT CERTIFICATE')
+      logger.error(err)
+      return false
+    end
+  end
+end
+# rubocop: enable Metrics/ClassLength