authenticate_or_request_with_http_token

An Example for using it.

Call it in a before filter in your Base or Application Controller.

before_filter :authenticate_through_api_client

def authenticate_through_api_client

# this block should return true or false
authenticate_or_request_with_http_token |token,other_options|
 Apiclient.find_by_client_key(token).present?
end

end

# Sample request type: it expects a token in headers as

Authorization:Token token=“your_token_goes_here”

Authorization is the key and Token token=“” is value

Article

Here is artice about this method http://blog.envylabs.com/post/75521798481/token-based-authentication-in-rails