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module OmniAuth
class Builder < ::Rack::Builder
def initialize(app, &block)
@options = nil
if rack14?
super
else
@app = app
super(&block)
@ins << @app
end
end
def rack14?
Rack.release.split('.')[1].to_i >= 4
end
def on_failure(&block)
OmniAuth.config.on_failure = block
end
def before_options_phase(&block)
OmniAuth.config.before_options_phase = block
end
def before_request_phase(&block)
OmniAuth.config.before_request_phase = block
end
def before_callback_phase(&block)
OmniAuth.config.before_callback_phase = block
end
def configure(&block)
OmniAuth.configure(&block)
end
def options(options = false)
return @options || {} if options == false
@options = options
end
def provider(klass, *args, &block)
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
args.last.is_a?(Hash) ? args.push(options.merge(args.pop)) : args.push(options)
use middleware, *args, &block
end
def call(env)
to_app.call(env)
end
end
end
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