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# == Schema Information
#
# Table name: keys
#
# id :integer not null, primary key
# user_id :integer
# created_at :datetime
# updated_at :datetime
# key :text
# title :string(255)
# type :string(255)
# fingerprint :string(255)
#
require 'digest/md5'
class Key < ActiveRecord::Base
include Sortable
include Gitlab::Popen
belongs_to :user
before_validation :strip_white_space, :generate_fingerprint
validates :title, presence: true, length: { within: 0..255 }
validates :key, presence: true, length: { within: 0..5000 }, format: { with: /\A(ssh|ecdsa)-.*\Z/ }, uniqueness: true
validates :fingerprint, uniqueness: true, presence: { message: 'cannot be generated' }
delegate :name, :email, to: :user, prefix: true
after_create :add_to_shell
after_create :notify_user
after_create :post_create_hook
after_destroy :remove_from_shell
after_destroy :post_destroy_hook
def strip_white_space
self.key = key.strip unless key.blank?
end
# projects that has this key
def projects
user.authorized_projects
end
def shell_id
"key-#{id}"
end
def add_to_shell
GitlabShellWorker.perform_async(
:add_key,
shell_id,
key
)
end
def notify_user
NotificationService.new.new_key(self)
end
def post_create_hook
SystemHooksService.new.execute_hooks_for(self, :create)
end
def remove_from_shell
GitlabShellWorker.perform_async(
:remove_key,
shell_id,
key,
)
end
def post_destroy_hook
SystemHooksService.new.execute_hooks_for(self, :destroy)
end
private
def generate_fingerprint
self.fingerprint = nil
return unless key.present?
cmd_status = 0
cmd_output = ''
explicit_fingerprint_algorithm = false
Tempfile.open('gitlab_key_file') do |file|
file.puts key
file.rewind
# OpenSSH 6.8 introduces a new default output format for fingerprints.
# Check the version and decide which command to use.
version_output, version_status = popen(%W(ssh -V))
if version_status.zero?
out, _ = version_output.scan /.*?(\d)\.(\d).*?,/
major, minor = out[0], out[1]
if major.to_i > 6 or (major.to_i == 6 and minor.to_i >= 8)
explicit_fingerprint_algorithm = true
end
end
if explicit_fingerprint_algorithm
cmd_output, cmd_status = popen(%W(ssh-keygen -E md5 -lf #{file.path}), '/tmp')
else
cmd_output, cmd_status = popen(%W(ssh-keygen -lf #{file.path}), '/tmp')
end
end
if cmd_status.zero?
if explicit_fingerprint_algorithm
cmd_output.gsub /(MD5:)(\h{2}:)+\h{2}/ do |match|
match.slice! /^MD5:/
self.fingerprint = match
end
else
cmd_output.gsub /(\h{2}:)+\h{2}/ do |match|
self.fingerprint = match
end
end
end
end
end
|
