Examples with Decision com.sun.identity.xacml.context.Decision used on opensource projects

Example 1 with Decision

use of com.sun.identity.xacml.context.Decision in project OpenAM by OpenRock.

the class XACMLAuthzDecisionQueryHandler method handleQuery.

/**
     * Processes an XACMLAuthzDecisionQuery and retruns a SAML2 Response.
     *
     * @param pdpEntityId EntityID of PDP
     * @param pepEntityId EntityID of PEP
     * @param samlpRequest SAML2 Request, an XAMLAuthzDecisionQuery
     * @param soapMessage SOAPMessage that carried the SAML2 Request
     * @return SAML2 Response with an XAMLAuthzDecisionStatement
     * @exception SAML2Exception if the query can not be handled
     */
public com.sun.identity.saml2.protocol.Response handleQuery(String pdpEntityId, String pepEntityId, RequestAbstract samlpRequest, SOAPMessage soapMessage) throws SAML2Exception {
    //TODO: logging, i18n
    //TODO: long term, allow different mapper impls for  different
    //combination of pdp, pep
    SubjectMapper subjectMapper = new FMSubjectMapper();
    subjectMapper.initialize(pdpEntityId, pepEntityId, null);
    ResourceMapper resourceMapper = new FMResourceMapper();
    resourceMapper.initialize(pdpEntityId, pepEntityId, null);
    ActionMapper actionMapper = new FMActionMapper();
    actionMapper.initialize(pdpEntityId, pepEntityId, null);
    EnvironmentMapper environmentMapper = new FMEnvironmentMapper();
    environmentMapper.initialize(pdpEntityId, pepEntityId, null);
    ResultMapper resultMapper = new FMResultMapper();
    resultMapper.initialize(pdpEntityId, pepEntityId, null);
    boolean evaluationFailed = false;
    String statusCodeValue = null;
    if (XACMLSDKUtils.debug.messageEnabled()) {
        XACMLSDKUtils.debug.message("XACMLAuthzDecisionQueryHandler.handleQuery(), entering" + ":pdpEntityId=" + pdpEntityId + ":pepEntityId=" + pepEntityId + ":samlpRequest=\n" + samlpRequest.toXMLString(true, true) + ":soapMessage=\n" + soapMessage);
    }
    Request xacmlRequest = ((XACMLAuthzDecisionQuery) samlpRequest).getRequest();
    boolean returnContext = ((XACMLAuthzDecisionQuery) samlpRequest).getReturnContext();
    SSOToken ssoToken = null;
    String resourceName = null;
    String serviceName = null;
    String actionName = null;
    Map environment = null;
    boolean booleanDecision = false;
    try {
        //get native sso token
        ssoToken = (SSOToken) subjectMapper.mapToNativeSubject(xacmlRequest.getSubjects());
        if (ssoToken == null) {
            //TODO: log message and fill missing attribute details 
            statusCodeValue = XACMLConstants.STATUS_CODE_MISSING_ATTRIBUTE;
            evaluationFailed = true;
        } else {
            if (XACMLSDKUtils.debug.messageEnabled()) {
                XACMLSDKUtils.debug.message("XACMLAuthzDecisionQueryHandler.handleQuery()," + "created ssoToken");
            }
        }
        if (ssoToken != null) {
            //get native service name, resource name 
            List resources = xacmlRequest.getResources();
            Resource resource = null;
            if (!resources.isEmpty()) {
                //We deal with only one resource for now
                resource = (Resource) resources.get(0);
            }
            if (resource != null) {
                String[] resourceService = resourceMapper.mapToNativeResource(resource);
                if (resourceService != null) {
                    if (resourceService.length > 0) {
                        resourceName = resourceService[0];
                    }
                    if (resourceService.length > 1) {
                        serviceName = resourceService[1];
                    }
                }
            }
            if (resourceName == null) {
                //TODO: log message and fill missing attribute details 
                statusCodeValue = XACMLConstants.STATUS_CODE_MISSING_ATTRIBUTE;
                evaluationFailed = true;
            }
            if (serviceName == null) {
                //TODO: log message and fill missing attribute details
                throw new SAML2Exception(XACMLSDKUtils.xacmlResourceBundle.getString("missing_attribute"));
            }
        }
        if (serviceName != null) {
            //get native action name
            if (serviceName != null) {
                actionName = actionMapper.mapToNativeAction(xacmlRequest.getAction(), serviceName);
            }
            if (actionName == null) {
                //TODO: log message and fill missing attribute details
                statusCodeValue = XACMLConstants.STATUS_CODE_MISSING_ATTRIBUTE;
                evaluationFailed = true;
            }
        }
    //get environment map
    /*
            environment = environmentMapper.mapToNativeEnvironment(
                    xacmlRequest.getEnvironment(), 
                    xacmlRequest.getSubjects());
            */
    } catch (XACMLException xe) {
        statusCodeValue = XACMLConstants.STATUS_CODE_MISSING_ATTRIBUTE;
        evaluationFailed = true;
        if (XACMLSDKUtils.debug.warningEnabled()) {
            XACMLSDKUtils.debug.warning("XACMLAuthzDecisionQueryHandler.handleQuery()," + "caught exception", xe);
        }
    }
    //get native policy deicison using native policy evaluator
    if (!evaluationFailed) {
        try {
            PolicyEvaluator pe = new PolicyEvaluator(serviceName);
            booleanDecision = pe.isAllowed(ssoToken, resourceName, actionName, environment);
        } catch (SSOException ssoe) {
            if (XACMLSDKUtils.debug.warningEnabled()) {
                XACMLSDKUtils.debug.warning("XACMLAuthzDecisionQueryHandler.handleQuery()," + "caught exception", ssoe);
            }
            evaluationFailed = true;
        } catch (PolicyException pe) {
            if (XACMLSDKUtils.debug.warningEnabled()) {
                XACMLSDKUtils.debug.warning("XACMLAuthzDecisionQueryHandler.handleQuery()," + "caught exception", pe);
            }
            evaluationFailed = true;
        }
    }
    //decision: Indeterminate, Deny, Permit, NotApplicable
    //status code: missing_attribute, syntax_error, processing_error, ok
    Decision decision = ContextFactory.getInstance().createDecision();
    Status status = ContextFactory.getInstance().createStatus();
    StatusCode code = ContextFactory.getInstance().createStatusCode();
    StatusMessage message = ContextFactory.getInstance().createStatusMessage();
    StatusDetail detail = ContextFactory.getInstance().createStatusDetail();
    detail.getElement().insertBefore(detail.getElement().cloneNode(true), null);
    if (evaluationFailed) {
        decision.setValue(XACMLConstants.INDETERMINATE);
        if (statusCodeValue == null) {
            statusCodeValue = XACMLConstants.STATUS_CODE_PROCESSING_ERROR;
        }
        code.setValue(statusCodeValue);
        //TODO: i18n
        message.setValue("processing_error");
    } else if (booleanDecision) {
        decision.setValue(XACMLConstants.PERMIT);
        code.setValue(XACMLConstants.STATUS_CODE_OK);
        //TODO: i18n
        message.setValue("ok");
    } else {
        decision.setValue(XACMLConstants.DENY);
        code.setValue(XACMLConstants.STATUS_CODE_OK);
        //TODO: i18n
        message.setValue("ok");
    }
    Result result = ContextFactory.getInstance().createResult();
    String resourceId = resourceName;
    List resources = xacmlRequest.getResources();
    Resource resource = null;
    if (!resources.isEmpty()) {
        //We deal with only one resource for now
        resource = (Resource) resources.get(0);
        if (resource != null) {
            List attributes = resource.getAttributes();
            if (attributes != null) {
                for (int count = 0; count < attributes.size(); count++) {
                    Attribute attr = (Attribute) attributes.get(count);
                    if (attr != null) {
                        URI tmpURI = attr.getAttributeId();
                        if (tmpURI.toString().equals(XACMLConstants.RESOURCE_ID)) {
                            Element element = (Element) attr.getAttributeValues().get(0);
                            resourceId = XMLUtils.getElementValue(element);
                            break;
                        }
                    }
                }
            }
        }
    }
    result.setResourceId(resourceId);
    result.setDecision(decision);
    status.setStatusCode(code);
    status.setStatusMessage(message);
    status.setStatusDetail(detail);
    result.setStatus(status);
    Response response = ContextFactory.getInstance().createResponse();
    response.addResult(result);
    XACMLAuthzDecisionStatement statement = ContextFactory.getInstance().createXACMLAuthzDecisionStatement();
    statement.setResponse(response);
    if (returnContext) {
        statement.setRequest(xacmlRequest);
    }
    com.sun.identity.saml2.protocol.Response samlpResponse = createSamlpResponse(statement, status.getStatusCode().getValue());
    if (XACMLSDKUtils.debug.messageEnabled()) {
        XACMLSDKUtils.debug.message("XACMLAuthzDecisionQueryHandler.handleQuery(), returning" + ":samlResponse=\n" + samlpResponse.toXMLString(true, true));
    }
    return samlpResponse;
}

Example 2 with Decision

use of com.sun.identity.xacml.context.Decision in project OpenAM by OpenRock.

the class XACMLQueryUtil method getPolicyDecisionForFedlet.

/**
     * Sends the XACML query to specifiied PDP, gets the policy decision
     * and sends it back to the Fedlet
     *
     * @param request HTTP Servlet Request
     * @param pepEntityID PEP entity ID
     * @param pdpEntityID PDP entity ID
     * @param nameIDValue  NameID value 
     * @param serviceName  Service Name
     * @param resource  Resource URL
     * @param action  Action
     *
     * @return the <code>String</code> object
     * @exception SAML2Exception if the operation is not successful
     *
     * @supported.api
     */
public static String getPolicyDecisionForFedlet(HttpServletRequest request, String pepEntityID, String pdpEntityID, String nameIDValue, String serviceName, String resource, String action) throws SAML2Exception {
    Request Xrequest = ContextFactory.getInstance().createRequest();
    Response xacmlResponse = null;
    try {
        //Subject
        Subject subject = ContextFactory.getInstance().createSubject();
        subject.setSubjectCategory(new URI(XACMLConstants.ACCESS_SUBJECT));
        //set subject id
        Attribute attribute = ContextFactory.getInstance().createAttribute();
        attribute.setAttributeId(new URI(XACMLConstants.SUBJECT_ID));
        attribute.setDataType(new URI(XACMLConstants.SAML2_NAMEID));
        List valueList = new ArrayList();
        valueList.add(nameIDValue);
        attribute.setAttributeStringValues(valueList);
        List attributeList = new ArrayList();
        attributeList.add(attribute);
        subject.setAttributes(attributeList);
        // Set Subject in Request
        List subjectList = new ArrayList();
        subjectList.add(subject);
        Xrequest.setSubjects(subjectList);
        // Resource
        Resource xacml_resource = ContextFactory.getInstance().createResource();
        // Set resource id
        attribute = ContextFactory.getInstance().createAttribute();
        attribute.setAttributeId(new URI(XACMLConstants.RESOURCE_ID));
        attribute.setDataType(new URI(XACMLConstants.XS_STRING));
        valueList = new ArrayList();
        valueList.add(resource);
        attribute.setAttributeStringValues(valueList);
        attributeList = new ArrayList();
        attributeList.add(attribute);
        // Set serviceName
        attribute = ContextFactory.getInstance().createAttribute();
        attribute.setAttributeId(new URI(XACMLConstants.TARGET_SERVICE));
        attribute.setDataType(new URI(XACMLConstants.XS_STRING));
        valueList = new ArrayList();
        valueList.add(serviceName);
        attribute.setAttributeStringValues(valueList);
        attributeList.add(attribute);
        xacml_resource.setAttributes(attributeList);
        // Set Resource in Request
        List resourceList = new ArrayList();
        resourceList.add(xacml_resource);
        Xrequest.setResources(resourceList);
        // Action
        Action xacml_action = ContextFactory.getInstance().createAction();
        attribute = ContextFactory.getInstance().createAttribute();
        attribute.setAttributeId(new URI(XACMLConstants.ACTION_ID));
        attribute.setDataType(new URI(XACMLConstants.XS_STRING));
        // Set actionID
        valueList = new ArrayList();
        valueList.add(action);
        attribute.setAttributeStringValues(valueList);
        attributeList = new ArrayList();
        attributeList.add(attribute);
        xacml_action.setAttributes(attributeList);
        // Set Action in Request
        Xrequest.setAction(xacml_action);
        Environment environment = ContextFactory.getInstance().createEnvironment();
        Xrequest.setEnvironment(environment);
        xacmlResponse = XACMLRequestProcessor.getInstance().processRequest(Xrequest, pdpEntityID, pepEntityID);
        if (xacmlResponse != null) {
            List results = xacmlResponse.getResults();
            if (results.size() > 0) {
                Result policy_result = (Result) results.get(0);
                if (policy_result != null) {
                    Decision decision = (Decision) policy_result.getDecision();
                    if (decision != null) {
                        String policy_decision = decision.getValue();
                        if (policy_decision != null) {
                            return policy_decision;
                        }
                    }
                }
            }
        }
    } catch (URISyntaxException uriexp) {
        if (SAML2Utils.debug.messageEnabled()) {
            SAML2Utils.debug.message("XACMLQueryUtil." + "getPolicyDecisionForFedlet: " + "URI Exception while sending the XACML Request");
        }
    } catch (XACMLException xacmlexp) {
        if (SAML2Utils.debug.messageEnabled()) {
            SAML2Utils.debug.message("XACMLQueryUtil." + "getPolicyDecisionForFedlet: " + "Error while processing the XACML Response");
        }
    }
    return null;
}