Examples of org.apache.catalina.Realm

org.apache.catalina.Realm
A Realm is a read-only facade for an underlying security realm used to authenticate individual users, and identify the security roles associated with those users. Realms can be attached at any Container level, but will typically only be attached to a Context, or higher level, Container. @author Craig R. McClanahan @version $Revision: 466595 $ $Date: 2006-10-21 23:24:41 +0100 (Sat, 21 Oct 2006) $

            return (false);


        // Identify the Realm we will use for checking role assignmenets
        if (context == null)
            return (false);
        Realm realm = context.getRealm();
        if (realm == null)
            return (false);


        // Check for a role alias defined in a <security-role-ref> element
        if (wrapper != null) {
            String realRole = wrapper.findSecurityReference(role);
            if ((realRole != null) &&
                realm.hasRole(userPrincipal, realRole))
                return (true);
        }


        // Check for a role defined directly as a <security-role>
        return (realm.hasRole(userPrincipal, role));


    }

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            return (false);
        }


        // Yes -- Validate the specified credentials and redirect
        // to the error page if they are not correct
        Realm realm = context.getRealm();
        if (characterEncoding != null) {
            request.setCharacterEncoding(characterEncoding);
        }
        String username = request.getParameter(Constants.FORM_USERNAME);
        String password = request.getParameter(Constants.FORM_PASSWORD);
        if (log.isDebugEnabled())
            log.debug("Authenticating username '" + username + "'");
        principal = realm.authenticate(username, password);
        if (principal == null) {
            forwardToErrorPage(request, response, config);
            return (false);
        }

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          return (AuthStatus.SEND_CONTINUE);
      }


      // Yes -- Validate the specified credentials and redirect
      // to the error page if they are not correct
      Realm realm = context.getRealm();
      String characterEncoding = request.getCharacterEncoding();
      if (characterEncoding != null) {
          try
         {
            request.setCharacterEncoding(characterEncoding);
         }
         catch (UnsupportedEncodingException e)
         {
            log.error(e.getLocalizedMessage(), e);
         }
      }
      String username = request.getParameter(Constants.FORM_USERNAME);
      String password = request.getParameter(Constants.FORM_PASSWORD);
      log.trace("Authenticating username '" + username + "'");
      principal = realm.authenticate(username, password);
      if (principal == null) {
          forwardToErrorPage(request, response, config);
          return (AuthStatus.FAILURE);
      }

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            return (false);


        // Identify the Realm we will use for checking role assignmenets
        if (context == null)
            return (false);
        Realm realm = context.getRealm();
        if (realm == null)
            return (false);


        // Check for a role alias defined in a <security-role-ref> element
        if (wrapper != null) {
            String realRole = wrapper.findSecurityReference(role);
            if ((realRole != null) &&
                realm.hasRole(userPrincipal, realRole))
                return (true);
        }


        // Check for a role defined directly as a <security-role>
        return (realm.hasRole(userPrincipal, role));


    }

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                (HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                 sm.getString("authenticator.notAuthenticated"));
            return (false);
        }


        Realm realm = context.getRealm();
        for (int i = 0; i < roles.length; i++) {
            if (realm.hasRole(principal, roles[i]))
                return (true);
        }


        // Return a "Forbidden" message denying access to this resource
        ((HttpServletResponse) response.getResponse()).sendError

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        SingleSignOnEntry entry = sso.lookup(ssoId);
        if (entry != null && entry.getCanReauthenticate()) {
            Principal reauthPrincipal = null;
            Container parent = getContainer();
            if (parent != null) {
                Realm realm = getContainer().getRealm();
                String username = entry.getUsername();
                if (realm != null && username != null) {
                    reauthPrincipal =
                        realm.authenticate(username, entry.getPassword());
                }
            }


            if (reauthPrincipal != null) {
                associate(ssoId, getSession(request, true));

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        String path = oname.getKeyProperty("path");
        Server server = ServerFactory.getServer();
        Service service = server.findService(serviceName);
        StandardEngine engine = (StandardEngine) service.getContainer();
        if (hostName == null) {             // if realm's container is Engine
            Realm realm = engine.getRealm();
            Container container = realm.getContainer();
            if (container instanceof StandardEngine) {
                String sname =
                    ((StandardEngine)container).getService().getName();
                if (sname.equals(serviceName)) {
                    engine.setRealm(null);
                }
            }
        } else if (path == null) {      // if realm's container is Host
            StandardHost host = (StandardHost) engine.findChild(hostName);
            Realm realm = host.getRealm();
            Container container = realm.getContainer();
            if (container instanceof StandardHost) {
                String hn = ((StandardHost)container).getName();
                StandardEngine se =
                    (StandardEngine) ((StandardHost)container).getParent();
                String sname = se.getService().getName();
                if (sname.equals(serviceName) && hn.equals(hostName)) {
                    host.setRealm(null);
                }
            }
        } else {                // realm's container is Context
            StandardHost host = (StandardHost) engine.findChild(hostName);
            path = getPathStr(path);
            StandardContext context = (StandardContext) host.findChild(path);
            Realm realm = context.getRealm();
            Container container = realm.getContainer();
            if (container instanceof StandardContext) {
                String pathName = ((StandardContext)container).getName();
                StandardHost sh =
                    (StandardHost)((StandardContext)container).getParent();
                String hn = sh.getName();;

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            return (false);
        }


        // Yes -- Validate the specified credentials and redirect
        // to the error page if they are not correct
        Realm realm = context.getRealm();
        if (characterEncoding != null) {
            hreq.setCharacterEncoding(characterEncoding);
        }
        String username = hreq.getParameter(Constants.FORM_USERNAME);
        String password = hreq.getParameter(Constants.FORM_PASSWORD);
        if (debug >= 1)
            log("Authenticating username '" + username + "'");
        principal = realm.authenticate(username, password);
        if (principal == null) {
            if (debug >= 1)
                log("Redirect to error page '" + errorURI + "'");
            hres.sendRedirect(hres.encodeRedirectURL(errorURI));
            return (false);

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     * @param realm The newly associated Realm
     */
    public synchronized void setRealm(Realm realm) {


        // Change components if necessary
        Realm oldRealm = this.realm;
        if (oldRealm == realm)
            return;
        this.realm = realm;


        // Stop the old component if necessary

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            return (false);


        // Identify the Realm we will use for checking role assignmenets
        if (context == null)
            return (false);
        Realm realm = context.getRealm();
        if (realm == null)
            return (false);


        // Check for a role alias defined in a <security-role-ref> element
        if (wrapper != null) {
            String realRole = wrapper.findSecurityReference(role);
            if ((realRole != null) &&
                realm.hasRole(userPrincipal, realRole))
                return (true);
        }


        // Check for a role defined directly as a <security-role>
        return (realm.hasRole(userPrincipal, role));


    }

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