/usr/lib/one/ruby/cloud/CloudAuth.rb is in ruby-opennebula 3.4.1-4.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org) #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
require 'thread'
class CloudAuth
# These are the authentication methods for the user requests
AUTH_MODULES = {
"occi" => 'OCCICloudAuth',
"sunstone" => 'SunstoneCloudAuth' ,
"ec2" => 'EC2CloudAuth',
"x509" => 'X509CloudAuth',
"opennebula" => 'OpenNebulaCloudAuth'
}
# These are the authentication modules for the OpenNebula requests
# Each entry is an array with the filename for require and class name
# to instantiate the object.
AUTH_CORE_MODULES = {
"cipher" => [ 'server_cipher_auth', 'ServerCipherAuth' ],
"x509" => [ 'server_x509_auth', 'ServerX509Auth' ]
}
# Default interval for timestamps. Tokens will be generated using the same
# timestamp for this interval of time.
# THIS VALUE CANNOT BE LOWER THAN EXPIRE_MARGIN
EXPIRE_DELTA = 1800
# Tokens will be generated if time > EXPIRE_TIME - EXPIRE_MARGIN
EXPIRE_MARGIN = 300
attr_reader :client, :token, :logger
# conf a hash with the configuration attributes as symbols
def initialize(conf, logger=nil)
@conf = conf
@logger = logger
@lock = Mutex.new
@token_expiration_time = Time.now.to_i + EXPIRE_DELTA
if AUTH_MODULES.include?(@conf[:auth])
require 'CloudAuth/' + AUTH_MODULES[@conf[:auth]]
extend Kernel.const_get(AUTH_MODULES[@conf[:auth]])
else
raise "Auth module not specified"
end
if AUTH_CORE_MODULES.include?(@conf[:core_auth])
core_auth = AUTH_CORE_MODULES[@conf[:core_auth]]
else
core_auth = AUTH_CORE_MODULES["cipher"]
end
begin
require core_auth[0]
@server_auth = Kernel.const_get(core_auth[1]).new_client
rescue => e
raise e.message
end
@user_pool = OpenNebula::UserPool.new(client)
rc = @user_pool.info
raise rc.message if OpenNebula.is_error?(rc)
end
# Generate a new OpenNebula client for the target User, if the username
# is nil the Client is generated for the server_admin
# ussername:: _String_ Name of the User
# [return] _Client_
def client(username=nil)
expiration_time = @lock.synchronize {
time_now = Time.now.to_i
if time_now > @token_expiration_time - EXPIRE_MARGIN
@token_expiration_time = time_now + EXPIRE_DELTA
end
@token_expiration_time
}
token = @server_auth.login_token(expiration_time,username)
Client.new(token,@conf[:one_xmlrpc])
end
#
#
#
def auth(env, params={})
username = do_auth(env, params)
if username.nil?
update_userpool_cache
do_auth(env, params)
else
username
end
end
protected
# Gets the password associated with a username
# username:: _String_ the username
# driver:: _String_ list of valid drivers for the user, | separated
# [return] _Hash_ with the username
def get_password(username, driver=nil)
xpath = "USER[NAME=\"#{username}\""
if driver
xpath << " and (AUTH_DRIVER=\""
xpath << driver.split('|').join("\" or AUTH_DRIVER=\"") << '")'
end
xpath << "]/PASSWORD"
retrieve_from_userpool(xpath)
end
# Gets the username associated with a password
# password:: _String_ the password
# [return] _Hash_ with the username
def get_username(password)
xpath = "USER[contains(PASSWORD, \"#{password}\")]/NAME"
retrieve_from_userpool(xpath)
end
private
def retrieve_from_userpool(xpath)
@lock.synchronize {
@user_pool[xpath]
}
end
def update_userpool_cache
oneadmin_client = client
@lock.synchronize {
@user_pool = OpenNebula::UserPool.new(oneadmin_client)
rc = @user_pool.info
raise rc.message if OpenNebula.is_error?(rc)
}
end
end
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