Examples with PolicyFailure io.apiman.gateway.engine.beans.PolicyFailure used on opensource projects

Example 11 with PolicyFailure

use of io.apiman.gateway.engine.beans.PolicyFailure in project apiman by apiman.

the class GatewayThreadContext method getPolicyFailure.

/**
 * @return the thread-local policy failure
 */
public static final PolicyFailure getPolicyFailure() {
    PolicyFailure failure = policyFailure.get();
    if (failure == null) {
        failure = new PolicyFailure();
        policyFailure.set(failure);
    }
    failure.setResponseCode(0);
    failure.setFailureCode(0);
    failure.setMessage(null);
    failure.setType(null);
    failure.getHeaders().clear();
    return failure;
}

Example 12 with PolicyFailure

use of io.apiman.gateway.engine.beans.PolicyFailure in project apiman by apiman.

the class RateLimitingPolicy method doApply.

/**
 * @see io.apiman.gateway.engine.policies.AbstractMappedPolicy#doApply(io.apiman.gateway.engine.beans.ApiRequest, io.apiman.gateway.engine.policy.IPolicyContext, java.lang.Object, io.apiman.gateway.engine.policy.IPolicyChain)
 */
@Override
protected void doApply(final ApiRequest request, final IPolicyContext context, final RateLimitingConfig config, final IPolicyChain<ApiRequest> chain) {
    String bucketId = bucketId(request, config);
    final RateBucketPeriod period = bucketFactory.getPeriod(config);
    if (bucketId.equals(BucketFactory.NO_USER_AVAILABLE)) {
        IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
        // $NON-NLS-1$
        PolicyFailure failure = failureFactory.createFailure(PolicyFailureType.Other, PolicyFailureCodes.NO_USER_FOR_RATE_LIMITING, Messages.i18n.format("RateLimitingPolicy.NoUser"));
        chain.doFailure(failure);
        return;
    }
    if (bucketId.equals(BucketFactory.NO_CLIENT_AVAILABLE)) {
        IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
        // $NON-NLS-1$
        PolicyFailure failure = failureFactory.createFailure(PolicyFailureType.Other, PolicyFailureCodes.NO_APP_FOR_RATE_LIMITING, Messages.i18n.format("RateLimitingPolicy.NoApp"));
        chain.doFailure(failure);
        return;
    }
    IRateLimiterComponent rateLimiter = context.getComponent(IRateLimiterComponent.class);
    rateLimiter.accept(bucketId, period, config.getLimit(), 1, new IAsyncResultHandler<RateLimitResponse>() {

        @Override
        public void handle(IAsyncResult<RateLimitResponse> result) {
            if (result.isError()) {
                chain.throwError(result.getError());
            } else {
                RateLimitResponse rtr = result.getResult();
                Map<String, String> responseHeaders = responseHeaders(config, rtr, defaultLimitHeader(), defaultRemainingHeader(), defaultResetHeader());
                if (rtr.isAccepted()) {
                    // $NON-NLS-1$
                    context.setAttribute("rate-limit-response-headers", responseHeaders);
                    chain.doApply(request);
                } else {
                    IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
                    PolicyFailure failure = limitExceededFailure(failureFactory);
                    failure.getHeaders().putAll(responseHeaders);
                    chain.doFailure(failure);
                }
            }
        }
    });
}

Example 13 with PolicyFailure

use of io.apiman.gateway.engine.beans.PolicyFailure in project apiman by apiman.

the class RateLimitingPolicy method limitExceededFailure.

/**
 * Generate a rate limit exceeded policy failure.
 *
 * @param failureFactory failure factory
 * @return a limit exceeded policy failure
 */
protected PolicyFailure limitExceededFailure(IPolicyFailureFactoryComponent failureFactory) {
    // $NON-NLS-1$
    PolicyFailure failure = failureFactory.createFailure(PolicyFailureType.Other, PolicyFailureCodes.RATE_LIMIT_EXCEEDED, Messages.i18n.format("RateLimitingPolicy.RateExceeded"));
    failure.setResponseCode(429);
    return failure;
}

Example 14 with PolicyFailure

use of io.apiman.gateway.engine.beans.PolicyFailure in project apiman by apiman.

the class TransferQuotaPolicy method doApply.

@Override
protected void doApply(final ApiRequest request, final IPolicyContext context, final TransferQuotaConfig config, final IPolicyChain<ApiRequest> chain) {
    // *************************************************************
    // Step 1:  check to see if we're already in violation of this
    // policy.  If so, fail fast.
    // *************************************************************
    // $NON-NLS-1$
    String bucketId = bucketId(request, config);
    final RateBucketPeriod period = bucketFactory.getPeriod(config);
    if (bucketId.equals(BucketFactory.NO_USER_AVAILABLE)) {
        IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
        // $NON-NLS-1$
        PolicyFailure failure = failureFactory.createFailure(PolicyFailureType.Other, PolicyFailureCodes.NO_USER_FOR_RATE_LIMITING, Messages.i18n.format("TransferQuotaPolicy.NoUser"));
        chain.doFailure(failure);
        return;
    }
    if (bucketId.equals(BucketFactory.NO_CLIENT_AVAILABLE)) {
        IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
        // $NON-NLS-1$
        PolicyFailure failure = failureFactory.createFailure(PolicyFailureType.Other, PolicyFailureCodes.NO_APP_FOR_RATE_LIMITING, Messages.i18n.format("TransferQuotaPolicy.NoApp"));
        chain.doFailure(failure);
        return;
    }
    context.setAttribute(BUCKET_ID_ATTR, bucketId);
    context.setAttribute(PERIOD_ATTR, period);
    IRateLimiterComponent rateLimiter = context.getComponent(IRateLimiterComponent.class);
    rateLimiter.accept(bucketId, period, config.getLimit(), 0, new IAsyncResultHandler<RateLimitResponse>() {

        @Override
        public void handle(IAsyncResult<RateLimitResponse> result) {
            if (result.isError()) {
                chain.throwError(result.getError());
            } else {
                RateLimitResponse rtr = result.getResult();
                context.setAttribute(RATE_LIMIT_RESPONSE_ATTR, rtr);
                if (!rtr.isAccepted()) {
                    doQuotaExceededFailure(context, config, chain, rtr);
                } else {
                    chain.doApply(request);
                }
            }
        }
    });
}

Example 15 with PolicyFailure

use of io.apiman.gateway.engine.beans.PolicyFailure in project apiman by apiman.

the class TransferQuotaPolicy method doQuotaExceededFailure.

/**
 * Called to send a 'quota exceeded' failure.
 */
protected void doQuotaExceededFailure(final IPolicyContext context, final TransferQuotaConfig config, final IPolicyChain<?> chain, RateLimitResponse rtr) {
    Map<String, String> responseHeaders = RateLimitingPolicy.responseHeaders(config, rtr, defaultLimitHeader(), defaultRemainingHeader(), defaultResetHeader());
    IPolicyFailureFactoryComponent failureFactory = context.getComponent(IPolicyFailureFactoryComponent.class);
    PolicyFailure failure = limitExceededFailure(failureFactory);
    failure.getHeaders().putAll(responseHeaders);
    chain.doFailure(failure);
}