[Building Sakai] Retrieving current user from session
Steve Swinsburg
steve.swinsburg at gmail.com
Thu Jul 31 14:26:01 PDT 2014
Entity providers just provide an alternative way of getting data, and it's
via REST. They still use the API's, but in general they are an extension to
an existing tool or service and use the tool/service's API. here is a very
simple one:
https://source.sakaiproject.org/svn/web/trunk/news-tool/tool/src/java/org/sakaiproject/news/tool/entityproviders/NewsEntityProvider.java
On Fri, Aug 1, 2014 at 2:46 AM, Sergio Muriel <sergioame at hotmail.com> wrote:
> Hi Chris,
> Do you have any concrete example? That'd be great if you have one.
> The advantage of using the existing Sakai API in a web service is that you
> don't really need to have configured any development environment. You do
> what you need straight away using any text editor. You don't need to
> compile, build and/or deploy JWS files because they do it themselves since
> the very first time they are called. That's why I'd better use preexisting
> API than creating my own entity providers.
>
>
> Best Regards,
> Sergio Muriel
>
>
> ------------------------------
> From: cschauer at txstate.edu
> To: sergioame at hotmail.com
> CC: steve.swinsburg at gmail.com; sakai-dev at collab.sakaiproject.org
>
> Subject: Re: [Building Sakai] Retrieving current user from session
> Date: Wed, 30 Jul 2014 20:45:55 +0000
>
>
> Hi,
>
> We've recently had to write some web services for our sakai instance and
> have found the entity provider system to be far superior to axis. Depending
> on what you're trying to read from sakai, there might already be an entity
> provider that gives you what you need. If not, you could set up your own
> entity provider that does return what you need. Then all your web
> application needs to do is send an ajax request to get the data. It will
> require some configuration in your sakai server environment to allow the
> cross-site request from your webapp, but I believe this would be the best
> approach for what you're trying to accomplish.
>
> -Chris
>
> On Jul 29, 2014, at 12:48 PM, Sergio Muriel <sergioame at hotmail.com>
> wrote:
>
> Oh! So, do you mean I cannot get the current user (or the current
> session) only by asking for them like this:
>
> sessionManager.getCurrentSession();
> userDirectoryService.getCurrentUser();
>
> without having any log in code, and even if I have the same JSESSIONID
> all the time , and even if I've previously logged into Sakai using the same
> browser instance I'm using in my JSP page??
>
> I don't have any log in code! I have an application that wants to read
> something from Sakai, and as it is a web application I just wanted to make
> sure the user is someone that is authentic and authorized into Sakai. I
> don't want the user to log in again in a separated form that asks for the
> same user and password he/she has already submitted for Sakai.
>
> Then, do you think is there any way to do this?
>
>
>
> Best Regards,
> Sergio Muriel
>
>
>
> ------------------------------
> Date: Tue, 29 Jul 2014 21:31:33 +1000
> Subject: Re: [Building Sakai] Retrieving current user from session
> From: steve.swinsburg at gmail.com
> To: sergioame at hotmail.com
> CC: sakai-dev at collab.sakaiproject.org
>
> What does the login code look like? If you have established a session
> previously you can pass the returned sessionid along to subsequent requests
> (just like how SakaiScript does it). You can't rely on the session to be
> passed in for you like you can with a browser because there is no
> session/cookie management in a stateless request such as this.
>
> cheers,
> Steve
>
>
> On Tue, Jul 29, 2014 at 8:13 AM, Sergio Muriel <sergioame at hotmail.com>
> wrote:
>
> Yes, I'm writing a web service, that's why I named my class 'MyWebService'.
>
> I log in to this particular bit of code through a Web Service Consumer
> called from a JSP page.
>
>
>
> Best Regards,
> Sergio Muriel
>
> ------------------------------
> Date: Mon, 28 Jul 2014 08:19:12 +1000
> Subject: RE: [Building Sakai] Retrieving current user from session
> From: steve.swinsburg at gmail.com
> To: sergioame at hotmail.com
> CC: ottenhoff at longsight.com; sakai-dev at collab.sakaiproject.org
>
>
> Yes that is correct for the component manager. Note you are using axis
> though, are you writing a Web service? How are you logging in to this
> particular bit of code?
> sent from my mobile device
> On 25/07/2014 2:50 AM, "Sergio Muriel" <sergioame at hotmail.com> wrote:
>
> Dear Steve,
> I don't really know what you mean by your question.
> This is how I think I'm pulling dependency from the component manager:
>
> public class MyWebService {
>
> private SessionManager sessionManager;
> private SiteService siteService;
> private UserDirectoryService userDirectoryService;
> private DeveloperHelperService developerHelperService;
>
> public MyWebService() {
> sessionManager = (SessionManager)
> ComponentManager.get(SessionManager.class.getName());
> siteService = (SiteService)
> ComponentManager.get(SiteService.class.getName());
> userDirectoryService = (UserDirectoryService)
> ComponentManager.get(UserDirectoryService.class.getName());
> developerHelperService = (DeveloperHelperService)
> ComponentManager.get(DeveloperHelperService.class);
> }
>
> private Session myMethod() throws AxisFault {
> Session session = sessionManager.getCurrentSession(); // this gives me
> the Sakai session
> User currentUser = userDirectoryService.getCurrentUser(); // this gives me
> a User object but it has null or empty properties, no matter if I'm logged
> into Sakai or not.
>
> ...... etc
> }
>
> I really appreciate any help.
>
>
> Best Regards,
> Sergio Muriel
>
>
> ------------------------------
> Date: Thu, 24 Jul 2014 09:19:12 +1000
> Subject: Re: [Building Sakai] Retrieving current user from session
> From: steve.swinsburg at gmail.com
> To: sergioame at hotmail.com
> CC: sakai-dev at collab.sakaiproject.org; ottenhoff at longsight.com
>
> The issue is your dependency injection. Either use spring to inject the
> dependency or use the component manager to pull the dependency in.
> What is your code for setting the saki api's?
> Cheers
> Steve
> sent from my mobile device
> On 23/07/2014 9:01 AM, "Sergio Muriel" <sergioame at hotmail.com> wrote:
>
> Dear Sam,
> I'm having a org.sakaiproject.user.api.User object, but when I fetch it
> into, like this:
>
> User currentUser = userDirectoryService.getCurrentUser();
> System.out.println("*** User.getFirstName(): " +
> currentUser.getFirstName());
> System.out.println("*** User.getDisplayId(): " +
> currentUser.getDisplayId());
> System.out.println("*** User.getDisplayName(): " +
> currentUser.getDisplayName());
> System.out.println("*** User.getEid(): " + currentUser.getEid());
> System.out.println("*** User.getEmail(): " + currentUser.getEmail());
> System.out.println("*** User.getFirstName(): " +
> currentUser.getFirstName());
> System.out.println("*** User.getId(): " + currentUser.getId());
> System.out.println("*** User.getLastName(): " + currentUser.getLastName());
> System.out.println("*** User.getSortName(): " + currentUser.getSortName());
> System.out.println("*** User.getType(): " + currentUser.getType());
> System.out.println("*** User.getUrl(): " + currentUser.getUrl());
>
> I get:
>
> *** User.getFirstName():
> *** User.getDisplayId(): null
> *** User.getDisplayName(): null
> *** User.getEid(): null
> *** User.getEmail():
> *** User.getFirstName():
> *** User.getId():
> *** User.getLastName():
> *** User.getSortName(): null
> *** User.getType(): null
> *** User.getUrl(): http://localhost:8080/access/user
>
> And this is actually the information that I have in the database:
>
>
> USER_ID;EMAIL;EMAIL_LC;FIRST_NAME;LAST_NAME;TYPE;PW;CREATEDBY;MODIFIEDBY;CREATEDON;MODIFIEDON
> 849c5404-47ea-418e-bb6e-3a7ca8d760b6;sergioame at hotmail dot
> com;sergioame at hotmail dot com;Sergio;Muriel;Web Services
> Accessor;cceylQ==:hNIh42AwPO6m39+Ucnp+BvJgBhEm/jt1hf9OWUiOBoU=;admin;admin;2014-05-06
> 16:42:38;2014-05-06 16:42:38
>
> And this is actually what Sakai shows me:
> My Account Details User User Id sergioame at hotmail dot com First
> Name Sergio Last Name Muriel Email sergioame at hotmail dot com Type Web
> Services Accessor Created By Sakai Administrator Created May 6, 2014
> 4:42 pm Modified By Sakai Administrator Modified May 6, 2014 4:42 pm
>
> Do you have any clue about what could be going on with that object?
> I'm testing it using the same browser but different tabs: One for logging
> into Sakai, and the other for calls the web service. Am I doing it right?
>
> I appreciate any help.
>
>
>
> Best Regards,
> Sergio Muriel
>
>
>
> ------------------------------
> From: ottenhoff at longsight.com
> Date: Tue, 22 Jul 2014 16:51:16 -0400
> Subject: Re: [Building Sakai] Retrieving current user from session
> To: sergioame at hotmail.com
> CC: sakai-dev at collab.sakaiproject.org
>
> /**
> * Get a user's email address based on their session id
> *
> * @param sessionid the session id of the user who's email address
> you wish to retrieve
> * @return the email address for the user
> * @throws AxisFault
> *
> */
> public String getUserEmailForSession( String sessionid ) throws AxisFault
> {
> Session session = establishSession(sessionid);
> User user = userDirectoryService.getCurrentUser();
> return user.getEmail();
> }
>
>
>
> On Tue, Jul 22, 2014 at 4:44 PM, Sergio Muriel <sergioame at hotmail.com>
> wrote:
>
> Dear All,
> Does anyone have a good working example of a web service in which the
> current user is retrieved from the current session?
> Please note that what I need to retrieve is an object of the class:
> org.sakaiproject.user.api.User
>
> Best Regards,
> Sergio Muriel
>
>
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