Module: OverSIP::Modules::OutboundMangling

Extended by:
Logger
Defined in:
lib/oversip/modules/outbound_mangling.rb

Class Method Summary collapse

Methods included from Logger

fg_system_msg2str, load_methods, log_id

Class Method Details

.add_outbound_to_contact(proxy) ⇒ Object 



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# File 'lib/oversip/modules/outbound_mangling.rb', line 9

def self.add_outbound_to_contact proxy
  unless proxy.is_a? ::OverSIP::SIP::Proxy
    raise ::OverSIP::RuntimeError, "proxy must be a OverSIP::SIP::Proxy instance"
  end

  proxy.on_target do |target|
    request = proxy.request
    # Just act in case the request has a single Contact, its connection uses Outbound
    # and  no ;ov-ob param exists in Contact URI.
    if request.contact and request.connection_outbound_flow_token and not request.contact.has_param? "ov-ob"
      log_system_debug "performing Contact mangling (adding ;ov-ob Outbound param) for #{request.log_id}"  if $oversip_debug

      request.contact.set_param "ov-ob", request.connection_outbound_flow_token

      proxy.on_success_response do |response|
        if (contacts = response.headers["Contact"])
          log_system_debug "reverting original Contact value (removing ;ov-ob Outbound param) from response"  if $oversip_debug
          contacts.each { |contact| contact.gsub! /;ov-ob=[_\-0-9A-Za-z]+/, "" }
        end
      end
    end
  end
end

.extract_outbound_from_ruri(request) ⇒ Object 



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# File 'lib/oversip/modules/outbound_mangling.rb', line 33

def self.extract_outbound_from_ruri request
  # Do nothing if the request already contains a Route header with the Outbound flow token (so
  # the registrar *does* support Path).
  unless request.incoming_outbound_requested?
    if (ov_ob = request.ruri.del_param("ov-ob"))
      log_system_debug "incoming Outbound flow token extracted from ;ov-ob param in RURI for #{request.log_id}"  if $oversip_debug
      request.route_outbound_flow_token = ov_ob
      request.incoming_outbound_requested = true
      return true
    else
      return false
    end

  else
    # If the request already contains a proper Outbound Route header, then at least try to remove
    # the ;ov-ob param from the RURI.
    request.ruri.del_param("ov-ob")
    return false
  end
end