Examples with User com.google.appengine.api.users.User used on opensource projects

Example 1 with User

use of com.google.appengine.api.users.User in project spring-security by spring-projects.

the class GaeAuthenticationFilter method doFilter.

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
    User googleUser = UserServiceFactory.getUserService().getCurrentUser();
    if (authentication != null && !loggedInUserMatchesGaeUser(authentication, googleUser)) {
        SecurityContextHolder.clearContext();
        authentication = null;
        ((HttpServletRequest) request).getSession().invalidate();
    }
    if (authentication == null) {
        if (googleUser != null) {
            logger.debug("Currently logged on to GAE as user " + googleUser);
            logger.debug("Authenticating to Spring Security");
            // User has returned after authenticating via GAE. Need to authenticate
            // through Spring Security.
            PreAuthenticatedAuthenticationToken token = new PreAuthenticatedAuthenticationToken(googleUser, null);
            token.setDetails(ads.buildDetails((HttpServletRequest) request));
            try {
                authentication = authenticationManager.authenticate(token);
                SecurityContextHolder.getContext().setAuthentication(authentication);
                if (authentication.getAuthorities().contains(AppRole.NEW_USER)) {
                    logger.debug("New user authenticated. Redirecting to registration page");
                    ((HttpServletResponse) response).sendRedirect(REGISTRATION_URL);
                    return;
                }
            } catch (AuthenticationException e) {
                failureHandler.onAuthenticationFailure((HttpServletRequest) request, (HttpServletResponse) response, e);
                return;
            }
        }
    }
    chain.doFilter(request, response);
}

Example 2 with User

use of com.google.appengine.api.users.User in project java-docs-samples by GoogleCloudPlatform.

the class AuthorizeServlet method doPost.

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
    // Instantiate a pusher connection
    Pusher pusher = PusherService.getDefaultInstance();
    // Get current logged in user credentials
    User user = UserServiceFactory.getUserService().getCurrentUser();
    // redirect to homepage if user is not authorized
    if (user == null) {
        response.sendRedirect("/");
        return;
    }
    String currentUserId = user.getUserId();
    String displayName = user.getNickname().replaceFirst("@.*", "");
    String query = CharStreams.toString(request.getReader());
    // socket_id, channel_name parameters are automatically set in the POST body of the request
    // eg.socket_id=1232.12&channel_name=presence-my-channel
    Map<String, String> data = splitQuery(query);
    String socketId = data.get("socket_id");
    String channelId = data.get("channel_name");
    // Presence channels (presence-*) require user identification for authentication
    Map<String, String> userInfo = new HashMap<>();
    userInfo.put("displayName", displayName);
    // Inject custom authentication code for your application here to allow /deny current request
    String auth = pusher.authenticate(socketId, channelId, new PresenceUser(currentUserId, userInfo));
    // if successful, returns authorization in the format
    // {
    // "auth":"49e26cb8e9dde3dfc009:a8cf1d3deefbb1bdc6a9d1547640d49d94b4b512320e2597c257a740edd17",
    // "channel_data":"{\"user_id\":\"23423435252\",\"user_info\":{\"displayName\":\"John Doe\"}}"
    // }
    response.getWriter().append(auth);
}

Example 3 with User

use of com.google.appengine.api.users.User in project java-docs-samples by GoogleCloudPlatform.

the class SendMessageServlet method doPost.

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
    // Parse POST request body received in the format :
    // [{"message": "my-message", "socket_id": "1232.24", "channel": "presence-my-channel"}]
    String body = CharStreams.readLines(request.getReader()).toString();
    String json = body.replaceFirst("^\\[", "").replaceFirst("\\]$", "");
    Map<String, String> data = gson.fromJson(json, typeReference.getType());
    String message = data.get("message");
    String socketId = data.get("socket_id");
    String channelId = data.get("channel_id");
    User user = UserServiceFactory.getUserService().getCurrentUser();
    // user email prefix as display name for current logged in user
    String displayName = user.getNickname().replaceFirst("@.*", "");
    // Create a message including the user email prefix to display in the chat window
    String taggedMessage = "<strong>&lt;" + displayName + "&gt;</strong> " + message;
    Map<String, String> messageData = new HashMap<>();
    messageData.put("message", taggedMessage);
    // Send a message over the Pusher channel (maximum size of a message is 10KB)
    Result result = PusherService.getDefaultInstance().trigger(channelId, // name of event
    "new_message", messageData, // (optional) use client socket_id to exclude the sender from receiving the message
    socketId);
    // result.getStatus() == SUCCESS indicates successful transmission
    messageData.put("status", result.getStatus().name());
    response.getWriter().println(gson.toJson(messageData));
}

Example 4 with User

use of com.google.appengine.api.users.User in project java-docs-samples by GoogleCloudPlatform.

the class SignGuestbookServlet method doPost.

// Process the http POST of the form
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    Greeting greeting;
    UserService userService = UserServiceFactory.getUserService();
    // Find out who the user is.
    User user = userService.getCurrentUser();
    String guestbookName = req.getParameter("guestbookName");
    String content = req.getParameter("content");
    if (user != null) {
        greeting = new Greeting(guestbookName, content, user.getUserId(), user.getEmail());
    } else {
        greeting = new Greeting(guestbookName, content);
    }
    // Use Objectify to save the greeting and now() is used to make the call synchronously as we
    // will immediately get a new page using redirect and we want the data to be present.
    ObjectifyService.ofy().save().entity(greeting).now();
    resp.sendRedirect("/guestbook.jsp?guestbookName=" + guestbookName);
}

Example 5 with User

use of com.google.appengine.api.users.User in project teammates by TEAMMATES.

the class GateKeeper method getCurrentUser.

public UserType getCurrentUser() {
    User user = getCurrentGoogleUser();
    if (user == null) {
        return null;
    }
    UserType userType = new UserType(user);
    if (isAdministrator()) {
        userType.isAdmin = true;
    }
    if (isInstructor()) {
        userType.isInstructor = true;
    }
    if (isStudent()) {
        userType.isStudent = true;
    }
    return userType;
}