Add model RSAPublicKey

app/models/rsa_public_key.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class RSAPublicKey < ApplicationRecord
+  ###############
+  # Validations #
+  ###############
+
+  validates :pem, presence: true
+
+  validates :bits, inclusion: { in: [2048, 4096] }
+end

config/initializers/inflections.rb

@@ -12,7 +12,6 @@
 #   inflect.uncountable %w( fish sheep )
 # end
 
-# These inflection rules are supported but not enabled by default:
-# ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.acronym 'RESTful'
-# end
+ActiveSupport::Inflector.inflections :en do |inflect|
+  inflect.acronym 'RSA'
+end

db/migrate/20190910115511_create_rsa_public_keys.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class CreateRSAPublicKeys < ActiveRecord::Migration[6.0]
+  include Partynest::Migration
+
+  def change
+    create_table :rsa_public_keys do |t|
+      t.timestamps null: false
+
+      t.text    :pem,  null: false
+      t.integer :bits, null: false
+
+      t.index :pem, unique: true
+    end
+
+    constraint :rsa_public_keys, :bits, <<~SQL
+      bits in (2048, 4096)
+    SQL
+  end
+end

db/structure.sql

@@ -721,6 +721,39 @@ CREATE SEQUENCE public.relationships_id_seq
 ALTER SEQUENCE public.relationships_id_seq OWNED BY public.relationships.id;
 
 
+--
+-- Name: rsa_public_keys; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.rsa_public_keys (
+    id bigint NOT NULL,
+    created_at timestamp(6) without time zone NOT NULL,
+    updated_at timestamp(6) without time zone NOT NULL,
+    pem text NOT NULL,
+    bits integer NOT NULL,
+    CONSTRAINT bits CHECK ((bits = ANY (ARRAY[2048, 4096])))
+);
+
+
+--
+-- Name: rsa_public_keys_id_seq; Type: SEQUENCE; Schema: public; Owner: -
+--
+
+CREATE SEQUENCE public.rsa_public_keys_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: rsa_public_keys_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
+--
+
+ALTER SEQUENCE public.rsa_public_keys_id_seq OWNED BY public.rsa_public_keys.id;
+
+
 --
 -- Name: schema_migrations; Type: TABLE; Schema: public; Owner: -
 --
@@ -932,6 +965,13 @@ ALTER TABLE ONLY public.regional_offices ALTER COLUMN id SET DEFAULT nextval('pu
 ALTER TABLE ONLY public.relationships ALTER COLUMN id SET DEFAULT nextval('public.relationships_id_seq'::regclass);
 
 
+--
+-- Name: rsa_public_keys id; Type: DEFAULT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.rsa_public_keys ALTER COLUMN id SET DEFAULT nextval('public.rsa_public_keys_id_seq'::regclass);
+
+
 --
 -- Name: sessions id; Type: DEFAULT; Schema: public; Owner: -
 --
@@ -1057,6 +1097,14 @@ ALTER TABLE ONLY public.relationships
     ADD CONSTRAINT relationships_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: rsa_public_keys rsa_public_keys_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.rsa_public_keys
+    ADD CONSTRAINT rsa_public_keys_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: schema_migrations schema_migrations_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
@@ -1306,6 +1354,13 @@ CREATE INDEX index_relationships_on_role ON public.relationships USING btree (ro
 CREATE INDEX index_relationships_on_status ON public.relationships USING btree (status);
 
 
+--
+-- Name: index_rsa_public_keys_on_pem; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_rsa_public_keys_on_pem ON public.rsa_public_keys USING btree (pem);
+
+
 --
 -- Name: index_sessions_on_account_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -1520,6 +1575,7 @@ SET search_path TO "$user", public;
 INSERT INTO "schema_migrations" (version) VALUES
 ('20181129203927'),
 ('20181130024918'),
-('20190910040709');
+('20190910040709'),
+('20190910115511');
 
 

factories/rsa_public_keys.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :rsa_public_key do
+    pem { OpenSSL::PKey::RSA.new(bits).public_key.to_pem }
+    bits { [2048, 4096].sample }
+  end
+end

spec/models/rsa_public_key_spec.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe RSAPublicKey do
+  subject { create :rsa_public_key }
+
+  describe '#pem' do
+    it { is_expected.to validate_presence_of :pem }
+  end
+
+  describe '#bits' do
+    it { is_expected.to validate_inclusion_of(:bits).in_array([2048, 4096]) }
+  end
+end