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# encoding: UTF-8
# --
# 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 'openssl'
module EM::Mongo
module Support
include EM::Mongo::Conversions
extend self
# Return a hashed password for auth.
#
# @param [String] username
# @param [String] plaintext
#
# @return [String]
def hash_password(username, plaintext)
OpenSSL::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 EM::Mongo::InvalidNSName, "database names cannot contain the character '#{invalid_char}'"
end
end
raise EM::Mongo::InvalidNSName, "database name cannot be the empty string" if db_name.empty?
db_name
end
def format_order_clause(order)
case order
when String, Symbol then string_as_sort_parameters(order)
when Array then array_as_sort_parameters(order)
else
raise InvalidSortValueError, "Illegal sort clause, '#{order.class.name}'; must be of the form " +
"[['field1', '(ascending|descending)'], ['field2', '(ascending|descending)']]"
end
end
# Determine if a database command has succeeded by
# checking the document response.
#
# @param [Hash] doc
#
# @return [Boolean] true if the 'ok' key is either 1 or *true*.
def ok?(doc)
doc['ok'] == 1.0 || doc['ok'] == true
end
end
end
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