Examples of org.apache.slide.common.SlideToken

org.apache.slide.common.SlideToken
The SlideToken interface identifies the current acting principal and its credentials, and maintains information about the state of the user transaction.
An object implementing this interface is required to use any of the methods provided by the helpers API. The default implementation of this interface is {@link SlideTokenImpl SlideTokenImpl}. In the context of a Java servlet, such an object should be instantiated like this:
```
 Principal principal = request.getUserPrincipal(); CredentialsToken credentials; if (principal == null) { credentials = new CredentialsToken(""); } else { credentials = new CredentialsToken(principal); } SlideToken token = new SlideTokenImpl(credentials); 
```
@author Remy Maucherat @version $Revision: 1.15.2.2 $

                                        String subject,
                                        String action) throws Exception {


        String uri = getUriFromPath(nat,path);
        
        SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
        Security security = nat.getSecurityHelper();
        
        try {
            NodePermission permission = new NodePermission(uri,subject,action);
            nat.begin();

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                                     String inheritable,
                                     String negative) throws Exception {
                                         
        String uri = getUriFromPath(nat,path);
        
        SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
        Security security = nat.getSecurityHelper();
        
        boolean isInheritable  = Boolean.valueOf(inheritable).booleanValue();
        boolean isNegative     = Boolean.valueOf(negative).booleanValue();

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    public static void removeLock(NamespaceAccessToken nat,
                                  String caller,
                                  String uri,
                                  String lockId) throws Exception {
        
        SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
        Lock lock = nat.getLockHelper();
        
        try {
            nat.begin();
            lock.unlock(slideToken,uri,lockId);

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       boolean isExclusive = Boolean.valueOf(exclusive).booleanValue();
       boolean isInherit = Boolean.valueOf(inherit).booleanValue();
       // expires after one minute
       Date expire = new Date(System.currentTimeMillis() + 1000*60);
       
       SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
       Lock lock = nat.getLockHelper();
       
       try {
           nat.begin();
           lock.lock(slideToken,new NodeLock(uri,subject,type,expire,isExclusive,isInherit));

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            // share username and password with other LoginModules
            m_sharedState.put("javax.security.auth.login.name",username);
            m_sharedState.put("javax.security.auth.login.password",password);
            
            // use the user's own credentials to retrieve its info
            SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(username));
            
            // retrieve user object
            SubjectNode userNode;
            try {
                userNode = (SubjectNode) m_security.getPrincipal(slideToken);

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        String hTxIdStr = req.getHeader(WebdavConstants.H_TRANSACTION);
        return (hTxIdStr != null);
    }
    
    private boolean isCollection(HttpServletRequest req) {
        SlideToken slideToken = new SlideTokenWrapper(WebdavUtils.getSlideToken(req));
        // necessary as no transaction has been started, yet
        slideToken.setForceStoreEnlistment(false);
        slideToken.setForceSecurity(false);
        slideToken.setForceLock(false);
        
        return WebdavUtils.isCollection(token, slideToken, WebdavUtils.getRelativePath(req, (WebdavServletConfig)getServletConfig()));
    }

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    /**
     * Return true if the store should also be enlisted for a read operation.
     */
    protected boolean isForceStoreEnlistment(Uri uri) {
        
        SlideToken token = uri.getToken();
        
        if (token == null)
            return false;
        
        return token.isForceStoreEnlistment();
        
    }

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     * @param role Security role to be checked
     */
    public boolean hasRole(Principal principal, String role) {


        CredentialsToken credToken = new CredentialsToken(principal);
        SlideToken slideToken = new SlideTokenImpl(credToken);
        try {
            return securityHelper.hasRole(slideToken, role);
        } catch (SlideException e) {
            return (false);
        }

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     */
    protected String getPassword(String username) {
        
        Principal userPrincipal = getPrincipal(username);
        CredentialsToken credToken = new CredentialsToken(userPrincipal);
        SlideToken slideToken = new SlideTokenImpl(credToken);
        
        // Fetch the Slide object representing the user.
        try {
            
            ObjectNode user = securityHelper.getPrincipal(slideToken);

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     * @exception WebdavException
     */
    protected Element getPropertiesOfObject(String resourceUri)
        throws WebdavException {
        
        SlideToken lightSToken = new SlideTokenWrapper(slideToken);
        lightSToken.setForceLock(false);
        
        // evaluate "Label" header
        if (Configuration.useVersionControl()) {
            try {
                resourceUri = versioningHelper.getLabeledResourceUri(resourceUri, labelHeader);

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