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# encoding: utf-8
require "cgi"
require "uri"
module AMQ
class URI
# @private
AMQP_DEFAULT_PORTS = {
"amqp" => 5672,
"amqps" => 5671
}.freeze
private_constant :AMQP_DEFAULT_PORTS
DEFAULTS = {
heartbeat: nil,
connection_timeout: nil,
channel_max: nil,
auth_mechanism: [],
verify: false,
fail_if_no_peer_cert: false,
cacertfile: nil,
certfile: nil,
keyfile: nil
}.freeze
def self.parse(connection_string)
uri = ::URI.parse(connection_string)
raise ArgumentError.new("Connection URI must use amqp or amqps schema (example: amqp://bus.megacorp.internal:5766), learn more at http://bit.ly/ks8MXK") unless %w{amqp amqps}.include?(uri.scheme)
opts = DEFAULTS.dup
opts[:scheme] = uri.scheme
opts[:user] = ::CGI::unescape(uri.user) if uri.user
opts[:pass] = ::CGI::unescape(uri.password) if uri.password
opts[:host] = uri.host if uri.host
opts[:port] = uri.port || AMQP_DEFAULT_PORTS[uri.scheme]
opts[:ssl] = uri.scheme.to_s.downcase =~ /amqps/i # TODO: rename to tls
if uri.path =~ %r{^/(.*)}
raise ArgumentError.new("#{uri} has multiple-segment path; please percent-encode any slashes in the vhost name (e.g. /production => %2Fproduction). Learn more at http://bit.ly/amqp-gem-and-connection-uris") if $1.index('/')
opts[:vhost] = ::CGI::unescape($1)
end
if uri.query
query_params = CGI::parse(uri.query)
normalized_query_params = Hash[query_params.map { |param, value| [param, value.one? ? value.first : value] }]
opts[:heartbeat] = normalized_query_params["heartbeat"].to_i
opts[:connection_timeout] = normalized_query_params["connection_timeout"].to_i
opts[:channel_max] = normalized_query_params["channel_max"].to_i
opts[:auth_mechanism] = normalized_query_params["auth_mechanism"]
%w(cacertfile certfile keyfile).each do |tls_option|
if normalized_query_params[tls_option] && uri.scheme == "amqp"
raise ArgumentError.new("The option '#{tls_option}' can only be used in URIs that use amqps schema")
else
opts[tls_option.to_sym] = normalized_query_params[tls_option]
end
end
%w(verify fail_if_no_peer_cert).each do |tls_option|
if normalized_query_params[tls_option] && uri.scheme == "amqp"
raise ArgumentError.new("The option '#{tls_option}' can only be used in URIs that use amqps schema")
else
opts[tls_option.to_sym] = as_boolean(normalized_query_params[tls_option])
end
end
end
opts
end
def self.parse_amqp_url(s)
parse(s)
end
#
# Implementation
#
# Normalizes values returned by CGI.parse.
# @private
def self.as_boolean(val)
case val
when true then true
when false then false
when 1 then true
when 0 then false
when "true" then true
when "false" then false
else
!!val
end
end
private_class_method :as_boolean
end
end
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