Add uniqueness to block email domains (#5692)

This commit is contained in:
Yamagishi Kazutoshi 2017-11-15 04:37:17 +09:00 committed by Eugen Rochko
parent 8087aa83d4
commit 20150659e6
4 changed files with 35 additions and 6 deletions

View file

@ -4,14 +4,33 @@
# Table name: email_domain_blocks
#
# id :bigint not null, primary key
# domain :string not null
# domain :string default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class EmailDomainBlock < ApplicationRecord
before_validation :normalize_domain
validates :domain, presence: true, uniqueness: true
def self.block?(email)
domain = email.gsub(/.+@([^.]+)/, '\1')
_, domain = email.split('@', 2)
return true if domain.nil?
begin
domain = TagManager.instance.normalize_domain(domain)
rescue Addressable::URI::InvalidURIError
return true
end
where(domain: domain).exists?
end
private
def normalize_domain
self.domain = TagManager.instance.normalize_domain(domain)
end
end

View file

@ -0,0 +1,8 @@
class AddIndexDomainToEmailDomainBlocks < ActiveRecord::Migration[5.1]
disable_ddl_transaction!
def change
add_index :email_domain_blocks, :domain, algorithm: :concurrently, unique: true
change_column_default :email_domain_blocks, :domain, from: nil, to: ''
end
end

View file

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20171109012327) do
ActiveRecord::Schema.define(version: 20171114080328) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -126,9 +126,10 @@ ActiveRecord::Schema.define(version: 20171109012327) do
end
create_table "email_domain_blocks", force: :cascade do |t|
t.string "domain", null: false
t.string "domain", default: "", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["domain"], name: "index_email_domain_blocks_on_domain", unique: true
end
create_table "favourites", force: :cascade do |t|

View file

@ -13,9 +13,10 @@ RSpec.describe EmailDomainBlock, type: :model do
Fabricate(:email_domain_block, domain: 'example.com')
expect(EmailDomainBlock.block?('nyarn@example.com')).to eq true
end
it 'returns true if the domain is not registed' do
Fabricate(:email_domain_block, domain: 'domain')
expect(EmailDomainBlock.block?('example')).to eq false
Fabricate(:email_domain_block, domain: 'example.com')
expect(EmailDomainBlock.block?('nyarn@example.net')).to eq false
end
end
end