Examples with ConditionGroupDTO org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO used on opensource projects

Example 31 with ConditionGroupDTO

use of org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO in project carbon-apimgt by wso2.

the class ThrottleConditionEvaluatorTest method testRetrievingEmptyApplicableConditionsWhenConditionsAreNotAvailableInConditionGroup.

@Test
public void testRetrievingEmptyApplicableConditionsWhenConditionsAreNotAvailableInConditionGroup() {
    ConditionDTO[] conditionDTOs = new ConditionDTO[0];
    ConditionGroupDTO conditionGroupDTO = new ConditionGroupDTO();
    conditionGroupDTO.setConditions(conditionDTOs);
    ConditionGroupDTO[] conditionGroupDTOS = { conditionGroupDTO };
    List<ConditionGroupDTO> conditionGroupDTOList = throttleConditionEvaluator.getApplicableConditions(TestUtils.getMessageContext(apiContext, apiVersion), new AuthenticationContext(), conditionGroupDTOS);
    // Should return empty Condition group in the Condition group array
    Assert.assertNull(conditionGroupDTOList.get(0));
}

Example 32 with ConditionGroupDTO

use of org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO in project carbon-apimgt by wso2.

the class ThrottleConditionEvaluatorTest method testApplicabilityOfMatchingQueryParameterTypeCondition.

@Test
public void testApplicabilityOfMatchingQueryParameterTypeCondition() {
    ConditionGroupDTO conditionGroupDTO = new ConditionGroupDTO();
    conditionGroupDTO.setConditionGroupId("QueryParameterTypeConditionGroup");
    ConditionDTO matchingCondition = new ConditionDTO();
    matchingCondition.setConditionType("QueryParameterType");
    matchingCondition.setConditionName("city");
    matchingCondition.setConditionValue("colombo");
    ConditionDTO[] conditionDTOS = { matchingCondition };
    conditionGroupDTO.setConditions(conditionDTOS);
    ConditionGroupDTO[] conditionGroupDTOS = { conditionGroupDTO };
    MessageContext messageContext = TestUtils.getMessageContext(apiContext, apiVersion);
    ((Axis2MessageContext) messageContext).getAxis2MessageContext().setProperty("REST_URL_POSTFIX", "/temperature?city=colombo");
    List<ConditionGroupDTO> matchingConditionGroups = throttleConditionEvaluator.getApplicableConditions(messageContext, new AuthenticationContext(), conditionGroupDTOS);
    Assert.assertEquals(matchingConditionGroups.get(0).getConditionGroupId(), "QueryParameterTypeConditionGroup");
}

Example 33 with ConditionGroupDTO

use of org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO in project carbon-apimgt by wso2.

the class ThrottleHandler method doRoleBasedAccessThrottlingWithCEP.

/**
 * This method is responsible for throttle incoming messages. This method will perform Application, Subscription
 * and Resource level throttling.
 *
 * @param synCtx Synapse message context that contains message details.
 * @param cc     Configuration context which holds current configuration context.
 * @return
 */
private boolean doRoleBasedAccessThrottlingWithCEP(MessageContext synCtx, ConfigurationContext cc, AuthenticationContext authenticationContext) {
    // Throttle Keys
    // applicationLevelThrottleKey key is combination of {applicationId}:{authorizedUser}
    String applicationLevelThrottleKey;
    // subscriptionLevelThrottleKey key for an api subscription is combination of {applicationId}:{apiContext}:{apiVersion}
    // subscriptionLevelThrottleKey key for an api subscription is combination of {applicationId}:{productName}:{productProvider}
    // Todo: add product version to key when versioning is supported
    String subscriptionLevelThrottleKey;
    // The key is combination of {apiContext}/ {apiVersion}{resourceUri}:{httpMethod} if policy is user level then authorized user will append at end
    String resourceLevelThrottleKey = "";
    // apiLevelThrottleKey key is combination of {apiContext}:{apiVersion}
    String apiLevelThrottleKey;
    // Throttle Tiers
    String applicationLevelTier;
    String subscriptionLevelTier;
    String resourceLevelTier = "";
    String apiLevelTier;
    // Other Relevant parameters
    AuthenticationContext authContext = authenticationContext;
    String authorizedUser;
    // Throttled decisions
    boolean isThrottled = false;
    boolean isResourceLevelThrottled = false;
    boolean isOperationLevelThrottled = false;
    boolean isApplicationLevelThrottled;
    boolean isSubscriptionLevelThrottled;
    boolean isSubscriptionLevelSpikeThrottled = false;
    boolean isApiLevelThrottled = false;
    boolean isBlockedRequest = false;
    boolean apiLevelThrottledTriggered = false;
    boolean policyLevelUserTriggered = false;
    String ipLevelBlockingKey;
    String appLevelBlockingKey = "";
    String subscriptionLevelBlockingKey = "";
    boolean stopOnQuotaReach = true;
    String apiContext = (String) synCtx.getProperty(RESTConstants.REST_API_CONTEXT);
    String apiVersion = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API_VERSION);
    apiContext = apiContext != null ? apiContext : "";
    apiVersion = apiVersion != null ? apiVersion : "";
    String clientIp = GatewayUtils.getClientIp(synCtx);
    String subscriberTenantDomain = "";
    String apiTenantDomain = getTenantDomain();
    ConditionGroupDTO[] conditionGroupDTOs;
    String applicationId = authContext.getApplicationId();
    // If Authz context is not null only we can proceed with throttling
    if (authContext != null) {
        authorizedUser = authContext.getUsername();
        // Check if the tenant domain is appended with authorizedUser and append if it is not there
        if (!StringUtils.contains(authorizedUser, apiTenantDomain)) {
            authorizedUser = authContext.getUsername() + "@" + apiTenantDomain;
        }
        // Do blocking if there are blocking conditions present
        if (getThrottleDataHolder().isBlockingConditionsPresent()) {
            appLevelBlockingKey = authContext.getSubscriber() + ":" + authContext.getApplicationName();
            subscriptionLevelBlockingKey = apiContext + ":" + apiVersion + ":" + authContext.getSubscriber() + "-" + authContext.getApplicationName() + ":" + authContext.getKeyType();
            Timer timer = getTimer(MetricManager.name(APIConstants.METRICS_PREFIX, this.getClass().getSimpleName(), BLOCKED_TEST));
            Timer.Context context = timer.start();
            isBlockedRequest = getThrottleDataHolder().isRequestBlocked(apiContext, appLevelBlockingKey, authorizedUser, clientIp, apiTenantDomain, subscriptionLevelBlockingKey);
            context.stop();
        }
        if (isBlockedRequest) {
            String msg = "Request blocked as it violates defined blocking conditions, for API: " + apiContext + " ,application:" + appLevelBlockingKey + " ,user:" + authorizedUser;
            if (log.isDebugEnabled()) {
                log.debug(msg);
            }
            synCtx.setProperty(APIThrottleConstants.BLOCKED_REASON, msg);
            synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.REQUEST_BLOCKED);
            isThrottled = true;
        } else {
            subscriberTenantDomain = authContext.getSubscriberTenantDomain();
            applicationLevelThrottleKey = applicationId + ":" + authorizedUser;
            apiLevelThrottleKey = apiContext + ":" + apiVersion;
            stopOnQuotaReach = authContext.isStopOnQuotaReach();
            applicationLevelTier = authContext.getApplicationTier();
            subscriptionLevelTier = authContext.getTier();
            apiLevelTier = authContext.getApiTier();
            VerbInfoDTO throttledResource = new VerbInfoDTO();
            // If request is not blocked then only we perform throttling.
            List<VerbInfoDTO> verbInfoDTOList = (List<VerbInfoDTO>) synCtx.getProperty(APIConstants.VERB_INFO_DTO);
            // If API level tier is not present only we should move to resource level tiers.
            if (verbInfoDTOList == null) {
                log.warn("Error while getting throttling information for resource and http verb");
                return false;
            }
            for (VerbInfoDTO verbInfoDTO : verbInfoDTOList) {
                boolean isUnlimittedTier = false;
                resourceLevelThrottleKey = verbInfoDTO.getRequestKey();
                resourceLevelTier = verbInfoDTO.getThrottling();
                if (APIConstants.UNLIMITED_TIER.equalsIgnoreCase(resourceLevelTier)) {
                    isUnlimittedTier = true;
                }
                // If API level throttle policy is present then it will apply and no resource level policy will apply for it
                if (!StringUtils.isEmpty(apiLevelTier) && !APIConstants.UNLIMITED_TIER.equalsIgnoreCase(apiLevelTier)) {
                    resourceLevelThrottleKey = apiLevelThrottleKey;
                    apiLevelThrottledTriggered = true;
                }
                // If verbInfo is present then only we will do resource level throttling
                if (isUnlimittedTier && !apiLevelThrottledTriggered) {
                    // If unlimited tier throttling will not apply at resource level and pass it
                    if (log.isDebugEnabled()) {
                        log.debug("Resource level throttling set as unlimited and request will pass " + "resource level");
                    }
                } else {
                    if (APIConstants.API_POLICY_USER_LEVEL.equalsIgnoreCase(verbInfoDTO.getApplicableLevel())) {
                        resourceLevelThrottleKey = resourceLevelThrottleKey + "_" + authorizedUser;
                        policyLevelUserTriggered = true;
                    }
                    // If tier is not unlimited only throttling will apply.
                    List<String> resourceLevelThrottleConditions = new ArrayList<>();
                    resourceLevelThrottleConditions = verbInfoDTO.getThrottlingConditions();
                    conditionGroupDTOs = verbInfoDTO.getConditionGroups();
                    Timer timer1 = getTimer(MetricManager.name(APIConstants.METRICS_PREFIX, this.getClass().getSimpleName(), RESOURCE_THROTTLE));
                    Timer.Context context1 = timer1.start();
                    if (getThrottleDataHolder().isAPIThrottled(resourceLevelThrottleKey)) {
                        if (getThrottleDataHolder().isConditionsAvailable(resourceLevelThrottleKey)) {
                            Map<String, List<ConditionDto>> conditionDtoMap = getThrottleDataHolder().getConditionDtoMap(resourceLevelThrottleKey);
                            if (log.isDebugEnabled()) {
                                log.debug("Conditions available" + conditionDtoMap.size());
                            }
                            String throttledCondition = getThrottleConditionEvaluator().getThrottledInCondition(synCtx, authContext, conditionDtoMap);
                            if (StringUtils.isNotEmpty(throttledCondition)) {
                                if (log.isDebugEnabled()) {
                                    log.debug("Throttled with Condition :" + throttledCondition);
                                }
                                String combinedResourceLevelThrottleKey = resourceLevelThrottleKey + "_" + throttledCondition;
                                if (log.isDebugEnabled()) {
                                    log.debug("Checking condition : " + combinedResourceLevelThrottleKey);
                                }
                                if (getThrottleDataHolder().isThrottled(combinedResourceLevelThrottleKey)) {
                                    if (!apiLevelThrottledTriggered) {
                                        isResourceLevelThrottled = isThrottled = true;
                                    } else {
                                        isApiLevelThrottled = isThrottled = true;
                                    }
                                    long timestamp = getThrottleDataHolder().getThrottleNextAccessTimestamp(combinedResourceLevelThrottleKey);
                                    synCtx.setProperty(APIThrottleConstants.THROTTLED_NEXT_ACCESS_TIMESTAMP, timestamp);
                                }
                            }
                        } else {
                            if (conditionGroupDTOs != null && conditionGroupDTOs.length > 0) {
                                if (log.isDebugEnabled()) {
                                    log.debug("Evaluating Conditional Groups for " + apiLevelThrottleKey);
                                }
                                // Then we will apply resource level throttling
                                List<ConditionGroupDTO> applicableConditions = getThrottleConditionEvaluator().getApplicableConditions(synCtx, authContext, conditionGroupDTOs);
                                for (ConditionGroupDTO conditionGroup : applicableConditions) {
                                    String combinedResourceLevelThrottleKey = resourceLevelThrottleKey + conditionGroup.getConditionGroupId();
                                    if (log.isDebugEnabled()) {
                                        log.debug("Checking condition : " + combinedResourceLevelThrottleKey);
                                    }
                                    if (getThrottleDataHolder().isThrottled(combinedResourceLevelThrottleKey)) {
                                        if (!apiLevelThrottledTriggered) {
                                            isResourceLevelThrottled = isThrottled = true;
                                        } else {
                                            isApiLevelThrottled = isThrottled = true;
                                        }
                                        long timestamp = getThrottleDataHolder().getThrottleNextAccessTimestamp(combinedResourceLevelThrottleKey);
                                        synCtx.setProperty(APIThrottleConstants.THROTTLED_NEXT_ACCESS_TIMESTAMP, timestamp);
                                        break;
                                    }
                                }
                            } else {
                                log.warn("Unable to find throttling information for resource and http verb. Throttling " + "will not be applied");
                            }
                        }
                    }
                    context1.stop();
                    if (isThrottled) {
                        throttledResource = verbInfoDTO;
                        break;
                    }
                }
            }
            if (!isApiLevelThrottled) {
                Timer timer2 = getTimer(MetricManager.name(APIConstants.METRICS_PREFIX, this.getClass().getSimpleName(), RESOURCE_THROTTLE));
                Timer.Context context2 = timer2.start();
                // if resource level not throttled then move to subscription level
                if (!isResourceLevelThrottled) {
                    // Subscription Level Throttling
                    subscriptionLevelThrottleKey = getSubscriptionLevelThrottleKey(subscriptionLevelTier, authContext, apiContext, apiVersion);
                    isSubscriptionLevelThrottled = getThrottleDataHolder().isThrottled(subscriptionLevelThrottleKey);
                    if (!isSubscriptionLevelThrottled && authContext.getSpikeArrestLimit() > 0) {
                        isSubscriptionLevelSpikeThrottled = isSubscriptionLevelSpike(synCtx, subscriptionLevelThrottleKey);
                    }
                    // Stop on quata reach
                    if (!isSubscriptionLevelThrottled && !isSubscriptionLevelSpikeThrottled) {
                        // Application Level Throttling
                        isApplicationLevelThrottled = getThrottleDataHolder().isThrottled(applicationLevelThrottleKey);
                        // if application level not throttled means it does not throttled at any level.
                        if (!isApplicationLevelThrottled) {
                            for (VerbInfoDTO verbInfo : verbInfoDTOList) {
                                resourceLevelThrottleKey = verbInfo.getRequestKey();
                                resourceLevelTier = verbInfo.getThrottling();
                                boolean keyTemplatesAvailable = getThrottleDataHolder().isKeyTemplatesPresent();
                                if (!keyTemplatesAvailable || !validateCustomPolicy(authorizedUser, applicationLevelThrottleKey, resourceLevelThrottleKey, apiLevelThrottleKey, subscriptionLevelThrottleKey, apiContext, apiVersion, subscriberTenantDomain, apiTenantDomain, applicationId, clientIp, getThrottleDataHolder().getKeyTemplateMap(), synCtx)) {
                                    // publish event to Global Policy Server
                                    if (isHardLimitThrottled(synCtx, authContext, apiContext, apiVersion)) {
                                        isThrottled = true;
                                    } else {
                                        ServiceReferenceHolder.getInstance().getThrottleDataPublisher().publishNonThrottledEvent(applicationLevelThrottleKey, applicationLevelTier, apiLevelThrottleKey, apiLevelTier, subscriptionLevelThrottleKey, subscriptionLevelTier, resourceLevelThrottleKey, resourceLevelTier, authorizedUser, apiContext, apiVersion, subscriberTenantDomain, apiTenantDomain, applicationId, synCtx, authContext);
                                    }
                                } else {
                                    log.debug("Request throttled at custom throttling");
                                    synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.CUSTOM_POLICY_LIMIT_EXCEED);
                                    isThrottled = true;
                                }
                            }
                        } else {
                            if (log.isDebugEnabled()) {
                                log.debug("Request throttled at application level for throttle key" + applicationLevelThrottleKey);
                            }
                            synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.APPLICATION_LIMIT_EXCEEDED);
                            long timestamp = getThrottleDataHolder().getThrottleNextAccessTimestamp(applicationLevelThrottleKey);
                            synCtx.setProperty(APIThrottleConstants.THROTTLED_NEXT_ACCESS_TIMESTAMP, timestamp);
                            isThrottled = isApplicationLevelThrottled = true;
                        }
                    } else {
                        if (!stopOnQuotaReach) {
                            // limit has reached.
                            if (synCtx.getProperty(APIConstants.API_USAGE_THROTTLE_OUT_PROPERTY_KEY) == null) {
                                synCtx.setProperty(APIConstants.API_USAGE_THROTTLE_OUT_PROPERTY_KEY, Boolean.TRUE);
                            }
                            isThrottled = false;
                            if (log.isDebugEnabled()) {
                                log.debug("Request throttled at subscription level for throttle key" + subscriptionLevelThrottleKey + ". But subscription policy " + subscriptionLevelTier + " allows to continue to serve requests");
                            }
                        } else {
                            if (log.isDebugEnabled()) {
                                log.debug("Request throttled at subscription level for throttle key" + subscriptionLevelThrottleKey);
                            }
                            if (!isSubscriptionLevelSpikeThrottled) {
                                long timestamp = getThrottleDataHolder().getThrottleNextAccessTimestamp(subscriptionLevelThrottleKey);
                                synCtx.setProperty(APIThrottleConstants.THROTTLED_NEXT_ACCESS_TIMESTAMP, timestamp);
                                synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.API_LIMIT_EXCEEDED);
                                synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.SUBSCRIPTION_LIMIT_EXCEEDED);
                            }
                            isThrottled = true;
                        }
                    }
                } else {
                    if (log.isDebugEnabled()) {
                        log.debug("Request throttled at resource level for throttle key" + throttledResource.getRequestKey());
                    }
                    // is throttled and resource level throttling
                    synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.RESOURCE_LIMIT_EXCEEDED);
                }
                context2.stop();
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Request throttled at api level for throttle key" + apiLevelThrottleKey);
                    if (policyLevelUserTriggered) {
                        log.debug("Request has throttled out in the user level for the throttle key" + apiLevelThrottleKey);
                    }
                }
                synCtx.setProperty(APIThrottleConstants.THROTTLED_OUT_REASON, APIThrottleConstants.API_LIMIT_EXCEEDED);
            }
        }
    }
    // if we need to publish throttled level or some other information we can do it here. Just before return.
    return isThrottled;
}

Example 34 with ConditionGroupDTO

use of org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO in project carbon-apimgt by wso2.

the class ThrottleConditionEvaluator method isConditionGroupApplicable.

private boolean isConditionGroupApplicable(org.apache.synapse.MessageContext synapseContext, AuthenticationContext authenticationContext, ConditionGroupDTO conditionGroup) {
    ConditionDTO[] conditions = conditionGroup.getConditions();
    boolean evaluationState = true;
    if (conditions.length == 0) {
        evaluationState = false;
    }
    // When multiple conditions have been specified, all the conditions should occur.
    for (ConditionDTO condition : conditions) {
        evaluationState = evaluationState & isConditionApplicable(synapseContext, authenticationContext, condition);
        // If one of the conditions are false, rest will evaluate to false. So no need to check the rest.
        if (!evaluationState) {
            return false;
        }
    }
    return evaluationState;
}

Example 35 with ConditionGroupDTO

use of org.wso2.carbon.apimgt.api.dto.ConditionGroupDTO in project carbon-apimgt by wso2.

the class SubscriptionValidationDAO method populateApiPolicyList.

private List<APIPolicy> populateApiPolicyList(ResultSet resultSet) throws SQLException {
    List<APIPolicy> apiPolicies = new ArrayList<>();
    Map<Integer, APIPolicy> temp = new ConcurrentHashMap<>();
    if (resultSet != null) {
        while (resultSet.next()) {
            int policyId = resultSet.getInt(ThrottlePolicyConstants.COLUMN_POLICY_ID);
            APIPolicy apiPolicy = temp.get(policyId);
            if (apiPolicy == null) {
                apiPolicy = new APIPolicy();
                apiPolicy.setId(policyId);
                apiPolicy.setName(resultSet.getString(ThrottlePolicyConstants.COLUMN_NAME));
                apiPolicy.setQuotaType(resultSet.getString(ThrottlePolicyConstants.COLUMN_DEFAULT_QUOTA_POLICY_TYPE));
                apiPolicy.setTenantId(resultSet.getInt(ThrottlePolicyConstants.COLUMN_TENANT_ID));
                String tenantDomain = APIUtil.getTenantDomainFromTenantId(apiPolicy.getTenantId());
                apiPolicy.setTenantDomain(tenantDomain);
                apiPolicy.setApplicableLevel(resultSet.getString(ThrottlePolicyConstants.COLUMN_APPLICABLE_LEVEL));
                setCommonProperties(apiPolicy, resultSet);
                apiPolicies.add(apiPolicy);
            }
            APIPolicyConditionGroup apiPolicyConditionGroup = new APIPolicyConditionGroup();
            int conditionGroup = resultSet.getInt(ThrottlePolicyConstants.COLUMN_CONDITION_ID);
            apiPolicyConditionGroup.setConditionGroupId(conditionGroup);
            apiPolicyConditionGroup.setQuotaType(resultSet.getString(ThrottlePolicyConstants.COLUMN_QUOTA_POLICY_TYPE));
            apiPolicyConditionGroup.setPolicyId(policyId);
            ApiMgtDAO apiMgtDAO = ApiMgtDAO.getInstance();
            ConditionGroupDTO conditionGroupDTO = null;
            try {
                conditionGroupDTO = apiMgtDAO.createConditionGroupDTO(conditionGroup);
            } catch (APIManagementException e) {
                log.error("Error while processing api policies for policyId : " + policyId, e);
            }
            ConditionDTO[] conditionDTOS = conditionGroupDTO.getConditions();
            apiPolicyConditionGroup.setConditionDTOS(Arrays.asList(conditionDTOS));
            setCommonProperties(apiPolicyConditionGroup, resultSet);
            apiPolicy.addConditionGroup(apiPolicyConditionGroup);
            temp.put(policyId, apiPolicy);
        }
    }
    return apiPolicies;
}