Module: OmniAuthConfigure::Rack

Defined in:
lib/omniauth_configure/rack.rb

Class Method Summary collapse

Class Method Details

.use_in(builder, configuration = nil, &block) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/omniauth_configure/rack.rb', line 3

def self.use_in(builder, configuration=nil, &block)
  effective_configuration = configuration || OmniAuthConfigure.configuration
  unless effective_configuration
    fail "No configuration was provided. " <<
      "Please set one or the other before calling use_in."
  end

  app = effective_configuration.app
  klasses = effective_configuration.strategies

  klasses.each do |klass|
    if klass.is_a?(Class)
      middleware = klass
    else
      begin
        middleware = OmniAuth::Strategies.const_get("#{OmniAuth::Utils.camelize(klass.to_s)}")
      rescue NameError
        raise LoadError, "Could not find matching strategy for #{klass.inspect}. You may need to install an additional gem (such as omniauth-#{klass})."
      end
    end

    p = effective_configuration.parameters_for(app, klass)

    middleware.args [:client_id, :client_secret]

    cid = p[:client_id]
    cs  = p[:client_secret]
    s   = p[:site]
    au  = p[:authorize_url]
    tu  = p[:token_url]

    args = [cid, cs]
    if s || au || tu
      middleware.args [:client_id, :client_secret, :client_options]
      args << {:site => s, :authorize_url => au, :token_url => tu }
    end
    args << {} # Last argument to provider strategy is empty hash

    builder.use middleware, *args, &block
  end
end