source: trunk/src/groovy/nl/metabolomicscentre/dsp/http/BasicAuthentication.groovy @ 831

package nl.metabolomicscentre.dsp.http

class BasicAuthentication {

        static public credentialsFromRequest(req){

                // default response
                def credFromRequest = [u: "", p: ""] // by default u(sername) and p(assword) are empty

                // u and p from Basic HTTP
                def httpAuthenticationUsername
                def httpAuthenticationPassword

                if (req){

                        // get the authorization header from the request
                        def authString = req.getHeader('Authorization')

                        if(authString){ // a authorization string was found in the request header, now decode en retrieve the u and p
                                def encodedPair = authString - 'Basic '
                                def decodedPair =  new String(new sun.misc.BASE64Decoder().decodeBuffer(encodedPair));
                                def credentials = decodedPair.split(':')

                                httpAuthenticationUsername = credentials[0] // u from Basic HTTP Auth
                                httpAuthenticationPassword = credentials[1] // p from Basic HTTP Auth

                                credFromRequest = [ u: httpAuthenticationUsername, p: httpAuthenticationPassword ]
                        }
                }

                return credFromRequest
        }

        static public callSecure(String username, String password, String url){

                def authString = "${username}:${password}".getBytes().encodeBase64().toString()
                def conn = url.toURL().openConnection()
                conn.setRequestProperty("Authorization", "Basic ${authString}")
                return conn.content.text
        }
}