148 lines
3.7 KiB
Ruby
148 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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require 'digest/md5'
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class Key < ApplicationRecord
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include AfterCommitQueue
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include Sortable
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include Sha256Attribute
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include Expirable
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sha256_attribute :fingerprint_sha256
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belongs_to :user
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before_validation :generate_fingerprint
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validates :title,
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presence: true,
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length: { maximum: 255 }
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validates :key,
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presence: true,
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length: { maximum: 5000 },
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format: { with: /\A(ssh|ecdsa)-.*\Z/ }
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validates :fingerprint,
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uniqueness: true,
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presence: { message: 'cannot be generated' }
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validate :key_meets_restrictions
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delegate :name, :email, to: :user, prefix: true
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after_commit :add_to_authorized_keys, on: :create
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after_create :post_create_hook
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after_create :refresh_user_cache
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after_commit :remove_from_authorized_keys, on: :destroy
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after_destroy :post_destroy_hook
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after_destroy :refresh_user_cache
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alias_attribute :fingerprint_md5, :fingerprint
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scope :preload_users, -> { preload(:user) }
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scope :for_user, -> (user) { where(user: user) }
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scope :order_last_used_at_desc, -> { reorder(::Gitlab::Database.nulls_last_order('last_used_at', 'DESC')) }
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def self.regular_keys
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where(type: ['Key', nil])
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end
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def key=(value)
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write_attribute(:key, value.present? ? Gitlab::SSHPublicKey.sanitize(value) : nil)
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@public_key = nil
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end
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def publishable_key
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# Strip out the keys comment so we don't leak email addresses
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# Replace with simple ident of user_name (hostname)
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self.key.split[0..1].push("#{self.user_name} (#{Gitlab.config.gitlab.host})").join(' ')
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end
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# projects that has this key
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def projects
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user.authorized_projects
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end
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def shell_id
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"key-#{id}"
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end
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# EE overrides this
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def can_delete?
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true
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end
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# rubocop: disable CodeReuse/ServiceClass
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def update_last_used_at
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Keys::LastUsedService.new(self).execute
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end
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# rubocop: enable CodeReuse/ServiceClass
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def add_to_authorized_keys
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return unless Gitlab::CurrentSettings.authorized_keys_enabled?
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AuthorizedKeysWorker.perform_async(:add_key, shell_id, key)
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end
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# rubocop: disable CodeReuse/ServiceClass
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def post_create_hook
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SystemHooksService.new.execute_hooks_for(self, :create)
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end
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# rubocop: enable CodeReuse/ServiceClass
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def remove_from_authorized_keys
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return unless Gitlab::CurrentSettings.authorized_keys_enabled?
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AuthorizedKeysWorker.perform_async(:remove_key, shell_id)
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end
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# rubocop: disable CodeReuse/ServiceClass
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def refresh_user_cache
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return unless user
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Users::KeysCountService.new(user).refresh_cache
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end
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# rubocop: enable CodeReuse/ServiceClass
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# rubocop: disable CodeReuse/ServiceClass
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def post_destroy_hook
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SystemHooksService.new.execute_hooks_for(self, :destroy)
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end
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# rubocop: enable CodeReuse/ServiceClass
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def public_key
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@public_key ||= Gitlab::SSHPublicKey.new(key)
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end
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private
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def generate_fingerprint
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self.fingerprint = nil
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self.fingerprint_sha256 = nil
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return unless public_key.valid?
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self.fingerprint_md5 = public_key.fingerprint
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self.fingerprint_sha256 = public_key.fingerprint("SHA256").gsub("SHA256:", "")
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end
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def key_meets_restrictions
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restriction = Gitlab::CurrentSettings.key_restriction_for(public_key.type)
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if restriction == ApplicationSetting::FORBIDDEN_KEY_VALUE
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errors.add(:key, forbidden_key_type_message)
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elsif public_key.bits < restriction
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errors.add(:key, "must be at least #{restriction} bits")
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end
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end
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def forbidden_key_type_message
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allowed_types = Gitlab::CurrentSettings.allowed_key_types.map(&:upcase)
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"type is forbidden. Must be #{Gitlab::Utils.to_exclusive_sentence(allowed_types)}"
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end
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end
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Key.prepend_if_ee('EE::Key')
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