mongo-ruby-driver/lib/mongo/util/support.rb

60 lines
1.7 KiB
Ruby

# --
# Copyright (C) 2008-2010 10gen Inc.
#
# 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 'digest/md5'
module Mongo
module Support
extend self
# Generate an MD5 for authentication.
#
# @param [String] username
# @param [String] password
# @param [String] nonce
#
# @return [String] a key for db authentication.
def auth_key(username, password, nonce)
Digest::MD5.hexdigest("#{nonce}#{username}#{hash_password(username, password)}")
end
# Return a hashed password for auth.
#
# @param [String] username
# @param [String] plaintext
#
# @return [String]
def hash_password(username, plaintext)
Digest::MD5.hexdigest("#{username}:mongo:#{plaintext}")
end
def validate_db_name(db_name)
unless [String, Symbol].include?(db_name.class)
raise TypeError, "db_name must be a string or symbol"
end
[" ", ".", "$", "/", "\\"].each do |invalid_char|
if db_name.include? invalid_char
raise InvalidName, "database names cannot contain the character '#{invalid_char}'"
end
end
raise InvalidName, "database name cannot be the empty string" if db_name.empty?
db_name
end
end
end