akkounts/app/services/ldap_service.rb

136 lines
3.7 KiB
Ruby

class LdapService < ApplicationService
def initialize
@suffix = ENV["LDAP_SUFFIX"] || "dc=kosmos,dc=org"
end
def add_entry(dn, attrs, interactive=false)
puts "Adding entry: #{dn}" if interactive
res = ldap_client.add dn: dn, attributes: attrs
puts res.inspect if interactive && !res
res
end
def add_attribute(dn, attr, value)
ldap_client.add_attribute dn, attr, value
end
def delete_entry(dn, interactive=false)
puts "Deleting entry: #{dn}" if interactive
res = ldap_client.delete dn: dn
puts res.inspect if interactive && !res
res
end
def delete_all_entries!
if Rails.env.production?
raise "Mass deletion of entries not allowed in production"
end
filter = Net::LDAP::Filter.eq("objectClass", "*")
entries = ldap_client.search(base: @suffix, filter: filter, attributes: %w{dn})
entries.sort_by!{ |e| e.dn.length }.reverse!
entries.each do |e|
delete_entry e.dn, true
end
end
def fetch_users(args={})
if args[:ou]
treebase = "ou=#{args[:ou]},cn=users,#{@suffix}"
else
treebase = ldap_config["base"]
end
attributes = %w{dn cn uid mail admin}
filter = Net::LDAP::Filter.eq("uid", "*")
entries = ldap_client.search(base: treebase, filter: filter, attributes: attributes)
entries.sort_by! { |e| e.cn[0] }
entries = entries.collect do |e|
{
uid: e.uid.first,
mail: e.try(:mail) ? e.mail.first : nil,
admin: e.try(:admin) ? 'admin' : nil
# password: e.userpassword.first
}
end
end
def fetch_organizations
attributes = %w{dn ou description}
filter = Net::LDAP::Filter.eq("objectClass", "organizationalUnit")
# filter = Net::LDAP::Filter.eq("objectClass", "*")
treebase = "cn=users,#{@suffix}"
entries = ldap_client.search(base: treebase, filter: filter, attributes: attributes)
entries.sort_by! { |e| e.ou[0] }
entries = entries.collect do |e|
{
dn: e.dn,
ou: e.ou.first,
description: e.try(:description) ? e.description.first : nil,
}
end
end
def add_organization(ou, description, interactive=false)
dn = "ou=#{ou},cn=users,#{@suffix}"
aci = <<-EOS
(target="ldap:///cn=*,ou=#{ou},cn=users,#{@suffix}")(targetattr="cn || sn || uid || mail || userPassword || nsRole || objectClass") (version 3.0; acl "service-#{ou.gsub(".", "-")}-read-search"; allow (read,search) userdn="ldap:///uid=service,ou=#{ou},cn=applications,#{@suffix}";)
EOS
attrs = {
objectClass: ["top", "organizationalUnit"],
description: description,
ou: ou,
aci: aci
}
add_entry dn, attrs, interactive
end
def reset_directory!
if Rails.env.production?
raise "Resetting the directory not allowed in production"
end
delete_all_entries!
user_read_aci = <<-EOS
(target="ldap:///#{@suffix}")(targetattr="*") (version 3.0; acl "user-read-search-own-attributes"; allow (read,search) userdn="ldap:///self";)
EOS
add_entry @suffix, {
dc: "kosmos", objectClass: ["top", "domain"], aci: user_read_aci
}, true
add_entry "cn=users,#{@suffix}", {
cn: "users", objectClass: ["top", "organizationalRole"]
}, true
end
private
def ldap_client
ldap_client ||= Net::LDAP.new host: ldap_config['host'],
port: ldap_config['port'],
# TODO has to be :simple_tls if TLS is enabled
# encryption: ldap_config['ssl'],
auth: {
method: :simple,
username: ldap_config['admin_user'],
password: ldap_config['admin_password']
}
end
def ldap_config
ldap_config ||= YAML.load(ERB.new(File.read("#{Rails.root}/config/ldap.yml")).result)[Rails.env]
end
end