+
+ module OAuthFilter
+ def oauth1_verify(request, options = {}, &block)
+ signature = OAuth::Signature.build(request, options, &block)
+ return false unless OauthNonce.remember(signature.request.nonce, signature.request.timestamp)
+ value = signature.verify
+ if request.ssl? && !value
+ http_request = request.dup
+ http_request.define_singleton_method(:scheme) { "http" }
+ http_request.define_singleton_method(:port) { 80 }
+ signature = OAuth::Signature.build(http_request, options, &block)
+ value = signature.verify
+ end
+ value
+ rescue OAuth::Signature::UnknownSignatureMethod
+ false
+ end
+ end