debian-mirror-gitlab/lib/gitlab/ci/jwt.rb

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2020-04-22 19:07:51 +05:30
# frozen_string_literal: true
module Gitlab
module Ci
class Jwt
NOT_BEFORE_TIME = 5
DEFAULT_EXPIRE_TIME = 60 * 5
def self.for_build(build)
self.new(build, ttl: build.metadata_timeout).encoded
end
def initialize(build, ttl: nil)
@build = build
@ttl = ttl
end
def payload
custom_claims.merge(reserved_claims)
end
def encoded
headers = { kid: kid, typ: 'JWT' }
JWT.encode(payload, key, 'RS256', headers)
end
private
attr_reader :build, :ttl, :key_data
def reserved_claims
now = Time.now.to_i
{
jti: SecureRandom.uuid,
iss: Settings.gitlab.host,
iat: now,
nbf: now - NOT_BEFORE_TIME,
exp: now + (ttl || DEFAULT_EXPIRE_TIME),
sub: "job_#{build.id}"
}
end
def custom_claims
{
namespace_id: namespace.id.to_s,
namespace_path: namespace.full_path,
project_id: project.id.to_s,
project_path: project.full_path,
user_id: user&.id.to_s,
user_login: user&.username,
user_email: user&.email,
pipeline_id: build.pipeline.id.to_s,
job_id: build.id.to_s,
ref: source_ref,
ref_type: ref_type,
ref_protected: build.protected.to_s
}
end
def key
@key ||= OpenSSL::PKey::RSA.new(Rails.application.secrets.openid_connect_signing_key)
end
def public_key
key.public_key
end
def kid
public_key.to_jwk[:kid]
end
def project
build.project
end
def namespace
project.namespace
end
def user
build.user
end
def source_ref
build.pipeline.source_ref
end
def ref_type
::Ci::BuildRunnerPresenter.new(build).ref_type
end
end
end
end