SessionController.java

package de.skuzzle.polly.core.internal.httpv2;

import java.util.HashMap;
import java.util.Map;

import de.skuzzle.polly.http.annotations.Get;
import de.skuzzle.polly.http.annotations.OnRegister;
import de.skuzzle.polly.http.annotations.Param;
import de.skuzzle.polly.http.api.AlternativeAnswerException;
import de.skuzzle.polly.http.api.Controller;
import de.skuzzle.polly.http.api.HttpSession;
import de.skuzzle.polly.http.api.answers.HttpAnswer;
import de.skuzzle.polly.http.api.answers.HttpAnswers;
import de.skuzzle.polly.sdk.MyPolly;
import de.skuzzle.polly.sdk.httpv2.PollyController;
import de.skuzzle.polly.sdk.httpv2.WebinterfaceManager;
import de.skuzzle.polly.sdk.roles.RoleManager;


public class SessionController extends PollyController {

    private final static String ADMIN_CATEGORY_KEY = "sessionAdminCategory"; //$NON-NLS-1$
    private final static String SESSION_NAME_KEY = "sessionManagerPage"; //$NON-NLS-1$
    private final static String SESSION_DESC_KEY = "sessionManagerDesc"; //$NON-NLS-1$
    
    public final static String PAGE_SESSION_MANAGER = "/pages/sessions"; //$NON-NLS-1$
    
    private final static String CONTENT_SESSION_MANAGER = "templatesv2/sessions.html"; //$NON-NLS-1$
    
    public final static String API_KILL_SESSION = "/api/killSession"; //$NON-NLS-1$
    public final static String API_DETACH = "/api/detach"; //$NON-NLS-1$
    public final static String API_GET_EVENTS = "/api/getEvents"; //$NON-NLS-1$
    private static final String CONTENT_GET_EVENTS = "templatesv2/session.events.html"; //$NON-NLS-1$
    
    
        
    public SessionController(MyPolly myPolly) {
        super(myPolly);
    }
    
    

    @Override
    protected Controller createInstance() {
        return new SessionController(this.getMyPolly());
    }

    
    
    @Get(value = PAGE_SESSION_MANAGER, name = SESSION_NAME_KEY)
    @OnRegister({
        WebinterfaceManager.ADD_MENU_ENTRY, 
        MSG.FAMILY,
        ADMIN_CATEGORY_KEY,
        SESSION_DESC_KEY,
        RoleManager.ADMIN_PERMISSION
    })
    public HttpAnswer sessions() throws AlternativeAnswerException {
        this.requirePermissions(RoleManager.ADMIN_PERMISSION);
        final Map<String, Object> c = this.createContext(CONTENT_SESSION_MANAGER);
        c.put("allSessions", this.getMyPolly().webInterface().getServer().getSessions()); //$NON-NLS-1$
        
        return this.makeAnswer(c);
    }
    
    
    
    @Get(API_KILL_SESSION)
    public HttpAnswer killSession(@Param("id") String id) 
            throws AlternativeAnswerException {
        this.requirePermissions(RoleManager.ADMIN_PERMISSION);
        final HttpSession session = this.getServer().findSession(id);
        if (session != null) {
            session.kill();
            return HttpAnswers.newStringAnswer("success"); //$NON-NLS-1$
        }
        return HttpAnswers.newStringAnswer("fail"); //$NON-NLS-1$
    }
    
    
    
    @Get(API_DETACH)
    public HttpAnswer detachItem(@Param("id") String id, @Param("key") String key) 
            throws AlternativeAnswerException {
        this.requirePermissions(RoleManager.ADMIN_PERMISSION);
        final HttpSession session = this.getServer().findSession(id);
        if (session != null) {
            session.detach(key);
            return HttpAnswers.newStringAnswer("success"); //$NON-NLS-1$
        }
        return HttpAnswers.newStringAnswer("fail"); //$NON-NLS-1$
    }
    
    
    
    @Get(API_GET_EVENTS)
    public HttpAnswer listSessions(@Param("id") String id) 
            throws AlternativeAnswerException {
        
        if (!this.getMyPolly().roles().hasPermission(
                this.getSessionUser(), RoleManager.ADMIN_PERMISSION)) {
            
            return HttpAnswers.newStringAnswer(MSG.bind(MSG.sessionRequiredPermission, 
                    RoleManager.ADMIN_PERMISSION));
        }
        
        final HttpSession session = this.getServer().findSession(id);
        final Map<String, Object> c = new HashMap<>();
        c.put("myPolly", this.getMyPolly()); //$NON-NLS-1$
        c.put("ss", session); //$NON-NLS-1$
        
        return HttpAnswers.newTemplateAnswer(CONTENT_GET_EVENTS, c);
    }
}