service-proxy/distribution/examples/security/oauth2/implicit/JavaScriptClient.html at master · precoder/service-proxy · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Javascript client</title>
</head>
<body>
    <script>
        var redirect = function(){
        window.location = 'http://localhost:7000/oauth2/auth?response_type=token&client_id=' + encodeURIComponent('abc') + '&redirect_uri='
                + encodeURIComponent('http://localhost:2000/oauth2callback') + '&scope=' + 'profile';
        };

        var getParams = function(){
            var querysRaw = window.location.search.substring(1).split('&');
            var result = new Object();
            for(var i = 0; i < querysRaw.length;i++){
                var pair = querysRaw[i].split("=");
                result[pair[0]] = pair[1];
            }
            sessionStorage.setItem("auth",result.token_type + " " + result.access_token)
            return result;
        };

        var validateAccessToken = function(auth){
            var  xmlhttp = new XMLHttpRequest();
            xmlhttp.open('GET',"http://localhost:7000/oauth2/userinfo",true);
            xmlhttp.setRequestHeader("Authorization", auth);
            xmlhttp.send(null);
            xmlhttp.onreadystatechange = function() {
                if (xmlhttp.readyState == 4) {
                    if ( xmlhttp.status == 200) {

                        alert("Validation successful.")
                    }
                    else {
                        sessionStorage.clear();
                        redirect();
                    }
                }
            }
        }

        var accessToken = sessionStorage.getItem("auth");

        if(accessToken){
            validateAccessToken(accessToken);
        }
        else if (window.location.pathname == "/oauth2callback") {
            getParams();
            validateAccessToken( sessionStorage.getItem("auth"));
        } else{
            redirect();
        }
    </script>
</body>
</html>