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# = uri/ldap.rb
#
# Author::
# Takaaki Tateishi <ttate@jaist.ac.jp>
# Akira Yamada <akira@ruby-lang.org>
# License::
# URI::LDAP is copyrighted free software by Takaaki Tateishi and Akira Yamada.
# You can redistribute it and/or modify it under the same term as Ruby.
# Revision:: $Id: ldap.rb 31555 2011-05-13 20:03:21Z drbrain $
#
# See URI for general documentation
#
require 'uri/generic'
module URI
#
# LDAP URI SCHEMA (described in RFC2255)
# ldap://<host>/<dn>[?<attrs>[?<scope>[?<filter>[?<extensions>]]]]
#
class LDAP < Generic
# A Default port of 389 for URI::LDAP
DEFAULT_PORT = 389
# An Array of the available components for URI::LDAP
COMPONENT = [
:scheme,
:host, :port,
:dn,
:attributes,
:scope,
:filter,
:extensions,
].freeze
# Scopes available for the starting point.
#
# * SCOPE_BASE - the Base DN
# * SCOPE_ONE - one level under the Base DN, not including the base DN and
# not including any entries under this.
# * SCOPE_SUB - subtress, all entries at all levels
#
SCOPE = [
SCOPE_ONE = 'one',
SCOPE_SUB = 'sub',
SCOPE_BASE = 'base',
].freeze
#
# == Description
#
# Create a new URI::LDAP object from components, with syntax checking.
#
# The components accepted are host, port, dn, attributes,
# scope, filter, and extensions.
#
# The components should be provided either as an Array, or as a Hash
# with keys formed by preceding the component names with a colon.
#
# If an Array is used, the components must be passed in the order
# [host, port, dn, attributes, scope, filter, extensions].
#
# Example:
#
# newuri = URI::LDAP.build({:host => 'ldap.example.com',
# :dn> => '/dc=example'})
#
# newuri = URI::LDAP.build(["ldap.example.com", nil,
# "/dc=example;dc=com", "query", nil, nil, nil])
#
def self.build(args)
tmp = Util::make_components_hash(self, args)
if tmp[:dn]
tmp[:path] = tmp[:dn]
end
query = []
[:extensions, :filter, :scope, :attributes].collect do |x|
next if !tmp[x] && query.size == 0
query.unshift(tmp[x])
end
tmp[:query] = query.join('?')
return super(tmp)
end
#
# == Description
#
# Create a new URI::LDAP object from generic URI components as per
# RFC 2396. No LDAP-specific syntax checking is performed.
#
# Arguments are +scheme+, +userinfo+, +host+, +port+, +registry+, +path+,
# +opaque+, +query+ and +fragment+, in that order.
#
# Example:
#
# uri = URI::LDAP.new("ldap", nil, "ldap.example.com", nil,
# "/dc=example;dc=com", "query", nil, nil, nil, nil)
#
#
# See also URI::Generic.new
#
def initialize(*arg)
super(*arg)
if @fragment
raise InvalidURIError, 'bad LDAP URL'
end
parse_dn
parse_query
end
# private method to cleanup +dn+ from using the +path+ component attribute
def parse_dn
@dn = @path[1..-1]
end
private :parse_dn
# private method to cleanup +attributes+, +scope+, +filter+ and +extensions+,
# from using the +query+ component attribute
def parse_query
@attributes = nil
@scope = nil
@filter = nil
@extensions = nil
if @query
attrs, scope, filter, extensions = @query.split('?')
@attributes = attrs if attrs && attrs.size > 0
@scope = scope if scope && scope.size > 0
@filter = filter if filter && filter.size > 0
@extensions = extensions if extensions && extensions.size > 0
end
end
private :parse_query
# private method to assemble +query+ from +attributes+, +scope+, +filter+ and +extensions+.
def build_path_query
@path = '/' + @dn
query = []
[@extensions, @filter, @scope, @attributes].each do |x|
next if !x && query.size == 0
query.unshift(x)
end
@query = query.join('?')
end
private :build_path_query
# returns dn.
def dn
@dn
end
# private setter for dn +val+
def set_dn(val)
@dn = val
build_path_query
@dn
end
protected :set_dn
# setter for dn +val+
def dn=(val)
set_dn(val)
val
end
# returns attributes.
def attributes
@attributes
end
# private setter for attributes +val+
def set_attributes(val)
@attributes = val
build_path_query
@attributes
end
protected :set_attributes
# setter for attributes +val+
def attributes=(val)
set_attributes(val)
val
end
# returns scope.
def scope
@scope
end
# private setter for scope +val+
def set_scope(val)
@scope = val
build_path_query
@scope
end
protected :set_scope
# setter for scope +val+
def scope=(val)
set_scope(val)
val
end
# returns filter.
def filter
@filter
end
# private setter for filter +val+
def set_filter(val)
@filter = val
build_path_query
@filter
end
protected :set_filter
# setter for filter +val+
def filter=(val)
set_filter(val)
val
end
# returns extensions.
def extensions
@extensions
end
# private setter for extensions +val+
def set_extensions(val)
@extensions = val
build_path_query
@extensions
end
protected :set_extensions
# setter for extensions +val+
def extensions=(val)
set_extensions(val)
val
end
# Checks if URI has a path
# For URI::LDAP this will return +false+
def hierarchical?
false
end
end
@@schemes['LDAP'] = LDAP
end
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