I'm trying to authenticate to google app engine programmatically.
I've tried the code sample from the "gae-app-manager" project but it fails:
tmp>java -jar net.sf.gae-app-manager-0.0.1-jar-with-dependencies.jar myaccount#gmail.com mypassword appname
Exception in thread "main" java.lang.Exception: Did not find ACSID cookie
at net.sf.gaeappmanager.google.LogonHelper.loginToGoogleAppEngine(LogonHelper.java:85)
at net.sf.gaeappmanager.google.appengine.Manager.retrieveAppQuotaDetails(Manager.java:34)
at net.sf.gaeappmanager.google.appengine.Main.main(Main.java:55)
Any idea? I'm able to get the token, but there are no cookies.
The code (taken from the gae-app-manager project - http://gae-app-manager.git.sourceforge.net/git/gitweb.cgi?p=gae-app-manager/gae-app-manager;a=blob;f=src/main/java/net/sf/gaeappmanager/google/LogonHelper.java;h=8e09a6d7f864c29b10847ac7fd2eeab2d3e561e6;hb=HEAD):
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("accountType", "HOSTED_OR_GOOGLE"));
nvps.add(new BasicNameValuePair("Email", userid));
nvps.add(new BasicNameValuePair("Passwd", password));
nvps.add(new BasicNameValuePair("service", "ah"));
nvps.add(new BasicNameValuePair("source", source));
HttpPost post = new HttpPost(
"https://www.google.com/accounts/ClientLogin");
post.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() != 200) {
throw new Exception("Error obtaining ACSID");
}
String authToken = getAuthToken(response.getEntity().getContent());
post.abort();
HttpGet get = new HttpGet(
"https://appengine.google.com/_ah/login?auth=" + authToken);
response = client.execute(get);
for (Cookie cookie : client.getCookieStore().getCookies()) {
if (cookie.getName().startsWith("ACSID")) {
return cookie.getValue();
}
}
get.abort();
throw new Exception("Did not find ACSID cookie");
Thanks,
Li
Have you considered using the OAuth support instead of trying to log in as a web client would? Every App Engine app can act as an OAuth provider with very little work required on the server side to set it up.
To solve the problem use "SACSID" instead of "ACSID"
Related
I'm trying to create a local Java-based client that interacts with the SurveyMonkey API.
SurveyMonkey requires a long-lived access token using OAuth 2.0, which I'm not very familiar with.
I've been googling this for hours, and I think the answer is no, but I just want to be sure:
Is it possible for me to write a simple Java client that interacts with the SurveyMonkey, without setting up my own redirect server in some cloud?
I feel like having my own online service is mandatory to be able to receive the bearer tokens generated by OAuth 2.0. Is it possible that I can't have SurveyMonkey send bearer tokens directly to my client?
And if I were to set up my own custom Servlet somewhere, and use it as a redirect_uri, then the correct flow would be as follows:
Java-client request bearer token from SurveyMonkey, with
redirect_uri being my own custom servlet URL.
SurveyMonkey sends token to my custom servlet URL.
Java-client polls custom servlet URL until a token is available?
Is this correct?
Yes, it is possible to use OAuth2 without a callback URL.
The RFC6749 introduces several flows. The Implicit and Authorization Code grant types require a redirect URI. However the Resource Owner Password Credentials grant type does not.
Since RFC6749, other specifications have been issued that do not require any redirect URI:
RFC7522: Security Assertion Markup Language (SAML) 2.0 Profile for OAuth 2.0 Client Authentication and Authorization Grants
RFC7523: JSON Web Token (JWT) Profile for OAuth 2.0 Client Authentication and Authorization Grants
RFC8628: OAuth 2.0 Device Authorization Grant
In any case, if the grant types above do not fit on your needs, nothing prevent you from creating a custom grant type.
Not exactly, the whole point of the OAuth flow is that the user (the client you're accessing the data on behalf of) needs to give you permission to access their data.
See the authentication instructions. You need to send the user to the OAuth authorize page:
https://api.surveymonkey.net/oauth/authorize?api_key<your_key>&client_id=<your_client_id>&response_type=code&redirect_uri=<your_redirect_uri>
This will show a page to the user telling them which parts of their account you are requesting access to (ex. see their surveys, see their responses, etc). Once the user approves that by clicking "Authorize" on that page, SurveyMonkey will automatically go to whatever you set as your redirect URI (make sure the one from the url above matches with what you set in the settings for your app) with the code.
So if your redirect URL was https://example.com/surveymonkey/oauth, SurveyMonkey will redirect the user to that URL with a code:
https://example.com/surveymonkey/oauth?code=<auth_code>
You need to take that code and then exchange it for an access token by doing a POST request to https://api.surveymonkey.net/oauth/token?api_key=<your_api_key> with the following post params:
client_secret=<your_secret>
code=<auth_code_you_just_got>
redirect_uri=<same_redirect_uri_as_before>
grant_type=authorization_code
This will return an access token, you can then use that access token to access data on the user's account. You don't give the access token to the user it's for you to use to access the user's account. No need for polling or anything.
If you're just accessing your own account, you can use the access token provided in the settings page of your app. Otherwise there's no way to get an access token for a user without setting up your own redirect server (unless all the users are in the same group as you, i.e. multiple users under the same account; but I won't get into that). SurveyMonkey needs a place to send you the code once the user authorizes, you can't just request one.
You do need to implement something that will act as the redirect_uri, which does not necessarily need to be hosted somewhere else than your client (as you say, in some cloud).
I am not very familiar with Java and Servelets, but if I assume correctly, it would be something that could handle http://localhost:some_port. In that case, the flow that you describe is correct.
I implemented the same flow successfully in C#. Here is the class that implements that flow. I hope it helps.
class OAuth2Negotiator
{
private HttpListener _listener = null;
private string _accessToken = null;
private string _errorResult = null;
private string _apiKey = null;
private string _clientSecret = null;
private string _redirectUri = null;
public OAuth2Negotiator(string apiKey, string address, string clientSecret)
{
_apiKey = apiKey;
_redirectUri = address.TrimEnd('/');
_clientSecret = clientSecret;
_listener = new HttpListener();
_listener.Prefixes.Add(address + "/");
_listener.AuthenticationSchemes = AuthenticationSchemes.Anonymous;
}
public string GetToken()
{
var url = string.Format(#"https://api.surveymonkey.net/oauth/authorize?redirect_uri={0}&client_id=sm_sunsoftdemo&response_type=code&api_key=svtx8maxmjmqavpavdd5sg5p",
HttpUtility.UrlEncode(#"http://localhost:60403"));
System.Diagnostics.Process.Start(url);
_listener.Start();
AsyncContext.Run(() => ListenLoop(_listener));
_listener.Stop();
if (!string.IsNullOrEmpty(_errorResult))
throw new Exception(_errorResult);
return _accessToken;
}
private async void ListenLoop(HttpListener listener)
{
while (true)
{
var context = await listener.GetContextAsync();
var query = context.Request.QueryString;
if (context.Request.Url.ToString().EndsWith("favicon.ico"))
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
context.Response.Close();
}
else if (query != null && query.Count > 0)
{
if (!string.IsNullOrEmpty(query["code"]))
{
_accessToken = await SendCodeAsync(query["code"]);
break;
}
else if (!string.IsNullOrEmpty(query["error"]))
{
_errorResult = string.Format("{0}: {1}", query["error"], query["error_description"]);
break;
}
}
}
}
private async Task<string> SendCodeAsync(string code)
{
var GrantType = "authorization_code";
//client_secret, code, redirect_uri and grant_type. The grant type must be set to “authorization_code”
var client = new HttpClient();
client.BaseAddress = new Uri("https://api.surveymonkey.net");
var request = new HttpRequestMessage(HttpMethod.Post, string.Format("/oauth/token?api_key={0}", _apiKey));
var formData = new List<KeyValuePair<string, string>>();
formData.Add(new KeyValuePair<string, string>("client_secret", _clientSecret));
formData.Add(new KeyValuePair<string, string>("code", code));
formData.Add(new KeyValuePair<string, string>("redirect_uri", _redirectUri));
formData.Add(new KeyValuePair<string, string>("grant_type", GrantType));
formData.Add(new KeyValuePair<string, string>("client_id", "sm_sunsoftdemo"));
request.Content = new FormUrlEncodedContent(formData);
var response = await client.SendAsync(request);
if (!response.IsSuccessStatusCode)
{
_errorResult = string.Format("Status {0}: {1}", response.StatusCode.ToString(), response.ReasonPhrase.ToString());
return null;
}
var data = await response.Content.ReadAsStringAsync();
if (data == null)
return null;
Dictionary<string, string> tokenInfo = JsonConvert.DeserializeObject<Dictionary<string, string>>(data);
return(tokenInfo["access_token"]);
}
}
I am trying to use OKTa for APP to APP authentication inside a SpringBoot Application and I get the below Scope issues ,
org.springframework.web.client.HttpClientErrorException$BadRequest: 400 Bad
Request: [{"error":"invalid_scope","error_description":"One or more scopes
are not configured for the authorization server resource."}]
we have default custome_scope mentioned at the Okta sever and when I try using the below code I am getting error while accesing line no 5 : in the below code snippet ,
String tokenUri = issuerUri + "/v2/token" + "? grant_type=client_credentials&response_type=token&scope=read";
RestTemplate rt = new RestTemplate();
headers = setHeaders(clientId, clientSecret, headers);
HttpEntity requestEntity = new HttpEntity(headers);
TokenData response = rt.postForObject(tokenUri, requestEntity, TokenData.class);
Can anyone help me
I have added my web application into onelogin using SAML Test Connector.
In Configuration tab I have given the following values
Recipient : http://localhost:8080/em/live/pages/samlAuth/
ACS(Consumer) URL Validator* : ^
ACS (Consumer) URL* :http://localhost:8080/ws_em/rest/accounts/consume-saml
Login URL : http://localhost:8080/ws_em/rest/accounts/produce-saml
Where http://localhost:8080/ws_em/rest/accounts/produce-saml creates an SAML Request by taking IssuerUrl, SAML EndPoint Copied From Onelogin SSO Tab and ACS url as http://localhost:8080/ws_em/rest/accounts/consume-saml.
#GET
#Produces(MediaType.APPLICATION_JSON)
#Path("/produce-saml")
public com.virima.em.core.Response SAMLAuthentication(){
com.Response resp = new com.Response();
AppSettings appSettings = new AppSettings();
appSettings.setAssertionConsumerServiceUrl(ACSUrl);
appSettings.setIssuer(IssuerUrl));
AccountSettings accSettings = new AccountSettings();
accSettings.setIdpSsoTargetUrl(IdpSsoTargetUrl);
AuthRequest authReq = new AuthRequest(appSettings,accSettings);
Map<String, String[]> parameters = request.getParameterMap();
String relayState = null;
for(String parameter : parameters.keySet()) {
if(parameter.equalsIgnoreCase("relaystate")) {
String[] values = parameters.get(parameter);
relayState = values[0];
}
}
String reqString = authReq.getSSOurl(relayState);
response.sendRedirect(reqString);
resp.setResponse(reqString);
return resp;
}
http://localhost:8080/ws_em/rest/accounts/consume-saml calls is supposed to take my SAML request and do the authentication . Here I am using the certificate generated in Onelogin SSO Tab
#GET
#Produces(MediaType.APPLICATION_JSON)
#Path("/consume-saml")
public com.onelogin.saml.Response SAMLAuthenticationResponse(){
com.onelogin.saml.Response samlResponse = null;
String certificateS ="c"; //Certificate downloaded from Onelogin SSO Tab
AccountSettings accountSettings = new AccountSettings();
accountSettings.setCertificate(certificateS);
samlResponse = new com.onelogin.saml.Response(accountSettings,request.getParameter("SAMLResponse"),request.getRequestURL().toString());
if (samlResponse.isValid()) {
// the signature of the SAML Response is valid. The source is trusted
java.io.PrintWriter writer = response.getWriter();
writer.write("OK!");
String nameId = samlResponse.getNameId();
writer.write(nameId);
writer.flush();
} else {
// the signature of the SAML Response is not valid
java.io.PrintWriter writer = response.getWriter();
writer.write("Failed\n");
writer.write(samlResponse.getError());
writer.flush();
}
return samlResponse;
}
I am getting this error
Federation Exception: Malformed URL. Please contact your
administrator.
It doesn't seem to come inside the ACS url I have inside my app.
Is there any mistakes in my configuration ? Or is there a better way to do this ?
ACS is Assertion Consumer Service, is the endpoint that process at the SP the SAMLResponse sent by the Identity Provider, so the http://localhost:8080/ws_em/rest/accounts/consume-saml process and validate the SAMLResponse.
Do you have verbose trace error? Malformed URL must be that the code is trying to build a URL var with a non URL string.
BTW, You are using the java-saml toolkit, but the 1.0 version instead the recommended 2.0.
I highly recommend you to use the 2.0 and before work on your integration, try to run the app example
I have an unity app and use the google-play-games plugin with google *.aar versions 9.4.0. I lately changed my Backend (Google App Engine) from php to java. My problem is the following: in php the serverauthcode is used to get the users data (in JWT format) - it was working fine. So I changed to a Java servlet and I am failing since 2 days to get a valid idtoken. I am able to recieve the server auth code from my app and a valid token response is made by GoogleAuthorizationCodeTokenRequest (see code snippet). Unfortunately it does not contain any idtoken content but a valid auth_token. So I can not get the user id to identifiy the user. When I call tokenResponse.parseIdToken(); it is failing with a NullPointerException.
servlet code (authCode is the serverAuthCode I send from the play-games-plugin inside Unity to my GAE):
// (Receive authCode via HTTPS POST)
// Set path to the Web application client_secret_*.json file you downloaded from the
// Google Developers Console: https://console.developers.google.com/apis/credentials?project=_
// You can also find your Web application client ID and client secret from the
// console and specify them directly when you create the GoogleAuthorizationCodeTokenRequest
// object.
String CLIENT_SECRET_FILE = "/mypath/client_secret.json";
// Exchange auth code for access token
GoogleClientSecrets clientSecrets =
GoogleClientSecrets.load(
JacksonFactory.getDefaultInstance(), new FileReader(CLIENT_SECRET_FILE));
GoogleTokenResponse tokenResponse =
new GoogleAuthorizationCodeTokenRequest(
new NetHttpTransport(),
JacksonFactory.getDefaultInstance(),
clientSecrets.getDetails().getTokenUri(),
clientSecrets.getDetails().getClientId(),
clientSecrets.getDetails().getClientSecret(),
authCode,
REDIRECT_URI) // Specify the same redirect URI that you use with your web
// app. If you don't have a web version of your app, you can
// specify an empty string.
.execute();
String accessToken = tokenResponse.getAccessToken();
// Get profile info from ID token -> HERE IT THROWS AN EXCEPTION.
GoogleIdToken idToken = tokenResponse.parseIdToken();
GoogleIdToken.Payload payload = idToken.getPayload();
String userId = payload.getSubject(); // Use this value as a key to identify a user.
String email = payload.getEmail();
boolean emailVerified = Boolean.valueOf(payload.getEmailVerified());
String name = (String) payload.get("name");
String pictureUrl = (String) payload.get("picture");
String locale = (String) payload.get("locale");
String familyName = (String) payload.get("family_name");
String givenName = (String) payload.get("given_name");
the token response looks like (its invalid now):
{
"access_token" : "ya29.CjA8A7O96w-vX4OCSPm-GMEPGVIEuRTeOxKy_75z6fbYVSXsdi9Ot3NmxlE-j_t-BI",
"expires_in" : 3596,
"token_type" : "Bearer"
}
In my PHP GAE I always had a idToken inside this constuct which contained my encrypted data. But it is missing now?! So I asssume I do somthing differently in Java or I made a mistake creating the new OAuth 2.0 Client on the google console.
I checked the accessToken manually via:
https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=ya29.CjA8A7O96w-vX4OCSPm-GMEPGVIEu-RTeOxKy_75z6fbYVSXsdi9Ot3NmxlE-j_t-BI
{
"issued_to": "48168146---------.apps.googleusercontent.com",
"audience": "48168146---------.apps.googleusercontent.com",
"scope": "https://www.googleapis.com/auth/games_lite",
"expires_in": 879,
"access_type": "offline"
}
Is there something I do not see? Help is very much appreciated...
I found a root cause discussion inside the unity plugin "play-games-services" on github:
https://github.com/playgameservices/play-games-plugin-for-unity/issues/1293
and
https://github.com/playgameservices/play-games-plugin-for-unity/issues/1309
It seems that google switching their authentication flow. In the given links they are talking about adding the email scope inside the plugin to get the idtoken again. I'll try that in the next days and share my experience.
Here is a good explaination about what happens:
http://android-developers.blogspot.de/2016/01/play-games-permissions-are-changing-in.html
If you do what paulsalameh said here (Link to Github) it will work again:
paulsalameh: Sure. After you import the unitypackage, download NativeClient.cs and
PlayGamesClientConfig.cs from my commits (#1295 & #1296), and replace
them in the correct locations.
Afte that "unity play-services-plugin" code update you will be able to add AddOauthScope("email") to PlayGamesClientConfiguration, which allows your server to get the idtoken with the serverAuthCode again...
Code snippet from Unity:
PlayGamesClientConfiguration config = new PlayGamesClientConfiguration.Builder()
.AddOauthScope("email")
.AddOauthScope("profile")
.Build();
Now I am back in business:
{
"access_token" : "ya29.Ci8..7kBR-eBdPw1-P7Pe8QUC7e_Zv7qxCHA",
"expires_in" : 3600,
"id_token" : "eyJhbGciOi......I1NiE0v6kqw",
"refresh_token" : "1/HlSZOo......dQV1y4E",
"token_type" : "Bearer"
}
Following is a code to get google contacts.
It was working fine but since few days I m getting exception of "Authentication request returned unexpected result: 404".
using Google.GData.Client;
using Google.Contacts;
using Google.GData.Extensions;
private void FetchContactList()
{
List<string> lstContacts = new List<string>();
RequestSettings rsLoginInfo = new RequestSettings("my application", "abc#gmail.com", "XXXXXX");
rsLoginInfo.AutoPaging = true;
ContactsRequest cRequest = new ContactsRequest(rsLoginInfo);
Feed<contact> feedContacts = cRequest.GetContacts();
foreach (Contact gmailAddresses in feedContacts.Entries)
{
// Looping to read email addresses
foreach (EMail emailId in gmailAddresses.Emails)
{
lstContacts.Add(emailId.Address);
}
}
GridView1.DataSource = lstContacts;
GridView1.DataBind();
}
Is google change something from their side?
Please suggest me way to solve the problem.
Update your current api with google api to version 3 and then make changes to the code according. Probably this may be the reason for the error.
https://developers.google.com/analytics/devguides/reporting/core/v3/gdataLibraries
i further suggest you use oauth2.0 for authentication as per the current requirements of your application and if you are using the older version of the api then you must use oauth2.0
Here is the link for oauth2.0 support: https://developers.google.com/google-apps/spreadsheets/authorize
though this is basically for spreadsheets but you can see how it is and working and change it to the requirements of your gmail api