Examples with Timer org.wso2.carbon.metrics.manager.Timer used on opensource projects

Example 1 with Timer

use of org.wso2.carbon.metrics.manager.Timer in project siddhi by wso2.

the class GroupByPerSnapshotOutputRateLimiter method process.

/**
 * Sends the collected unique outputs per group by key upon arrival of timer event from scheduler.
 *
 * @param complexEventChunk Incoming {@link org.wso2.siddhi.core.event.ComplexEventChunk}
 */
@Override
public void process(ComplexEventChunk complexEventChunk) {
    List<ComplexEventChunk<ComplexEvent>> outputEventChunks = new ArrayList<ComplexEventChunk<ComplexEvent>>();
    complexEventChunk.reset();
    synchronized (this) {
        complexEventChunk.reset();
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            if (event.getType() == ComplexEvent.Type.TIMER) {
                tryFlushEvents(outputEventChunks, event);
            } else if (event.getType() == ComplexEvent.Type.CURRENT) {
                complexEventChunk.remove();
                tryFlushEvents(outputEventChunks, event);
                GroupedComplexEvent groupedComplexEvent = ((GroupedComplexEvent) event);
                groupByKeyEvents.put(groupedComplexEvent.getGroupKey(), groupedComplexEvent.getComplexEvent());
            }
        }
    }
    for (ComplexEventChunk eventChunk : outputEventChunks) {
        sendToCallBacks(eventChunk);
    }
}

Example 2 with Timer

use of org.wso2.carbon.metrics.manager.Timer in project siddhi by wso2.

the class QuerySelector method processInBatchNoGroupBy.

private ComplexEventChunk processInBatchNoGroupBy(ComplexEventChunk complexEventChunk) {
    complexEventChunk.reset();
    ComplexEvent lastEvent = null;
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            switch(event.getType()) {
                case CURRENT:
                case EXPIRED:
                    eventPopulator.populateStateEvent(event);
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    if (!(havingConditionExecutor != null && !havingConditionExecutor.execute(event))) {
                        if ((event.getType() == StreamEvent.Type.CURRENT && currentOn) || (event.getType() == StreamEvent.Type.EXPIRED && expiredOn)) {
                            complexEventChunk.remove();
                            lastEvent = event;
                        }
                    }
                    break;
                case TIMER:
                    break;
                case RESET:
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    break;
            }
        }
    }
    if (lastEvent != null) {
        complexEventChunk.clear();
        if (limit == SiddhiConstants.UNKNOWN_STATE || limit > 0) {
            complexEventChunk.add(lastEvent);
        }
        return complexEventChunk;
    }
    return null;
}

Example 3 with Timer

use of org.wso2.carbon.metrics.manager.Timer in project siddhi by wso2.

the class QuerySelector method processGroupBy.

private ComplexEventChunk<ComplexEvent> processGroupBy(ComplexEventChunk complexEventChunk) {
    complexEventChunk.reset();
    ComplexEventChunk<ComplexEvent> currentComplexEventChunk = new ComplexEventChunk<ComplexEvent>(complexEventChunk.isBatch());
    synchronized (this) {
        int limitCount = 0;
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            switch(event.getType()) {
                case CURRENT:
                case EXPIRED:
                    eventPopulator.populateStateEvent(event);
                    String groupedByKey = groupByKeyGenerator.constructEventKey(event);
                    GroupByAggregationAttributeExecutor.getKeyThreadLocal().set(groupedByKey);
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    if ((event.getType() == StreamEvent.Type.CURRENT && currentOn) || (event.getType() == StreamEvent.Type.EXPIRED && expiredOn)) {
                        if (!(havingConditionExecutor != null && !havingConditionExecutor.execute(event))) {
                            complexEventChunk.remove();
                            if (limit == SiddhiConstants.UNKNOWN_STATE) {
                                currentComplexEventChunk.add(new GroupedComplexEvent(groupedByKey, event));
                            } else {
                                if (limitCount < limit) {
                                    currentComplexEventChunk.add(new GroupedComplexEvent(groupedByKey, event));
                                    limitCount++;
                                }
                            }
                        }
                    }
                    GroupByAggregationAttributeExecutor.getKeyThreadLocal().remove();
                    break;
                case TIMER:
                    break;
                case RESET:
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    break;
            }
        }
    }
    if (isOrderBy) {
        orderEventChunk(complexEventChunk);
    }
    if (limit != SiddhiConstants.UNKNOWN_STATE) {
        limitEventChunk(complexEventChunk);
    }
    currentComplexEventChunk.reset();
    if (currentComplexEventChunk.hasNext()) {
        return currentComplexEventChunk;
    }
    return null;
}

Example 4 with Timer

use of org.wso2.carbon.metrics.manager.Timer in project siddhi by wso2.

the class QuerySelector method processNoGroupBy.

private ComplexEventChunk processNoGroupBy(ComplexEventChunk complexEventChunk) {
    complexEventChunk.reset();
    synchronized (this) {
        while (complexEventChunk.hasNext()) {
            ComplexEvent event = complexEventChunk.next();
            switch(event.getType()) {
                case CURRENT:
                case EXPIRED:
                    eventPopulator.populateStateEvent(event);
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    if (((event.getType() != StreamEvent.Type.CURRENT || !currentOn) && (event.getType() != StreamEvent.Type.EXPIRED || !expiredOn)) || ((havingConditionExecutor != null && !havingConditionExecutor.execute(event)))) {
                        complexEventChunk.remove();
                    }
                    break;
                case RESET:
                    for (AttributeProcessor attributeProcessor : attributeProcessorList) {
                        attributeProcessor.process(event);
                    }
                    break;
                case TIMER:
                    complexEventChunk.remove();
                    break;
            }
        }
    }
    if (isOrderBy) {
        orderEventChunk(complexEventChunk);
    }
    if (limit != SiddhiConstants.UNKNOWN_STATE) {
        limitEventChunk(complexEventChunk);
    }
    complexEventChunk.reset();
    if (complexEventChunk.hasNext()) {
        return complexEventChunk;
    }
    return null;
}

Example 5 with Timer

use of org.wso2.carbon.metrics.manager.Timer in project carbon-apimgt by wso2.

the class OAuthAuthenticator method authenticate.

@MethodStats
public AuthenticationResponse authenticate(MessageContext synCtx) throws APIManagementException {
    boolean isJwtToken = false;
    String accessToken = null;
    String remainingAuthHeader = "";
    boolean defaultVersionInvoked = false;
    Map headers = (Map) ((Axis2MessageContext) synCtx).getAxis2MessageContext().getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
    String tenantDomain = GatewayUtils.getTenantDomain();
    keyManagerList = GatewayUtils.getKeyManagers(synCtx);
    if (keyValidator == null) {
        this.keyValidator = new APIKeyValidator();
    }
    if (jwtValidator == null) {
        this.jwtValidator = new JWTValidator(this.keyValidator, tenantDomain);
    }
    config = getApiManagerConfiguration();
    removeOAuthHeadersFromOutMessage = isRemoveOAuthHeadersFromOutMessage();
    securityContextHeader = getSecurityContextHeader();
    if (headers != null) {
        requestOrigin = (String) headers.get("Origin");
        // Extract the access token from auth header
        // From 1.0.7 version of this component onwards remove the OAuth authorization header from
        // the message is configurable. So we dont need to remove headers at this point.
        String authHeader = (String) headers.get(getSecurityHeader());
        if (authHeader == null) {
            if (log.isDebugEnabled()) {
                log.debug("OAuth2 Authentication: Expected authorization header with the name '".concat(getSecurityHeader()).concat("' was not found."));
            }
        } else {
            ArrayList<String> remainingAuthHeaders = new ArrayList<>();
            boolean consumerkeyFound = false;
            String[] splitHeaders = authHeader.split(oauthHeaderSplitter);
            if (splitHeaders != null) {
                for (int i = 0; i < splitHeaders.length; i++) {
                    String[] elements = splitHeaders[i].split(consumerKeySegmentDelimiter);
                    if (elements != null && elements.length > 1) {
                        int j = 0;
                        boolean isConsumerKeyHeaderAvailable = false;
                        for (String element : elements) {
                            if (!"".equals(element.trim())) {
                                if (consumerKeyHeaderSegment.equals(elements[j].trim())) {
                                    isConsumerKeyHeaderAvailable = true;
                                } else if (isConsumerKeyHeaderAvailable) {
                                    accessToken = removeLeadingAndTrailing(elements[j].trim());
                                    consumerkeyFound = true;
                                }
                            }
                            j++;
                        }
                    }
                    if (!consumerkeyFound) {
                        remainingAuthHeaders.add(splitHeaders[i]);
                    } else {
                        consumerkeyFound = false;
                    }
                }
            }
            remainingAuthHeader = String.join(oauthHeaderSplitter, remainingAuthHeaders);
        }
        if (log.isDebugEnabled()) {
            log.debug(accessToken != null ? "Received Token ".concat(accessToken) : "No valid Authorization header found");
        }
        // Check if client invoked the default version API (accessing API without version).
        defaultVersionInvoked = headers.containsKey(defaultAPIHeader);
    }
    if (log.isDebugEnabled()) {
        log.debug("Default Version API invoked");
    }
    if (removeOAuthHeadersFromOutMessage) {
        // Remove authorization headers sent for authentication at the gateway and pass others to the backend
        if (StringUtils.isNotBlank(remainingAuthHeader)) {
            if (log.isDebugEnabled()) {
                log.debug("Removing OAuth key from Authorization header");
            }
            headers.put(getSecurityHeader(), remainingAuthHeader);
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Removing Authorization header from headers");
            }
            headers.remove(getSecurityHeader());
        }
    }
    if (removeDefaultAPIHeaderFromOutMessage) {
        headers.remove(defaultAPIHeader);
    }
    String apiContext = (String) synCtx.getProperty(RESTConstants.REST_API_CONTEXT);
    String apiVersion = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API_VERSION);
    String httpMethod = (String) ((Axis2MessageContext) synCtx).getAxis2MessageContext().getProperty(Constants.Configuration.HTTP_METHOD);
    String matchingResource = (String) synCtx.getProperty(APIConstants.API_ELECTED_RESOURCE);
    SignedJWTInfo signedJWTInfo = null;
    // If the matching resource does not require authentication
    Timer timer = getTimer(MetricManager.name(APIConstants.METRICS_PREFIX, this.getClass().getSimpleName(), "GET_RESOURCE_AUTH"));
    Timer.Context context = timer.start();
    org.apache.axis2.context.MessageContext axis2MessageCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
    org.apache.axis2.context.MessageContext.setCurrentMessageContext(axis2MessageCtx);
    String authenticationScheme;
    try {
        // Initial guess of a JWT token using the presence of a DOT.
        if (StringUtils.isNotEmpty(accessToken) && accessToken.contains(APIConstants.DOT)) {
            try {
                if (StringUtils.countMatches(accessToken, APIConstants.DOT) != 2) {
                    log.debug("Invalid JWT token. The expected token format is <header.payload.signature>");
                    throw new APISecurityException(APISecurityConstants.API_AUTH_INVALID_CREDENTIALS, "Invalid JWT token");
                }
                signedJWTInfo = getSignedJwt(accessToken);
                if (GatewayUtils.isInternalKey(signedJWTInfo.getJwtClaimsSet()) || GatewayUtils.isAPIKey(signedJWTInfo.getJwtClaimsSet())) {
                    log.debug("Invalid Token Provided");
                    return new AuthenticationResponse(false, isMandatory, true, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS_MESSAGE);
                }
                String keyManager = ServiceReferenceHolder.getInstance().getJwtValidationService().getKeyManagerNameIfJwtValidatorExist(signedJWTInfo);
                if (StringUtils.isNotEmpty(keyManager)) {
                    if (log.isDebugEnabled()) {
                        log.debug("KeyManager " + keyManager + "found for authenticate token " + GatewayUtils.getMaskedToken(accessToken));
                    }
                    if (keyManagerList.contains(APIConstants.KeyManager.API_LEVEL_ALL_KEY_MANAGERS) || keyManagerList.contains(keyManager)) {
                        if (log.isDebugEnabled()) {
                            log.debug("Elected KeyManager " + keyManager + "found in API level list " + String.join(",", keyManagerList));
                        }
                        isJwtToken = true;
                    } else {
                        if (log.isDebugEnabled()) {
                            log.debug("Elected KeyManager " + keyManager + " not found in API level list " + String.join(",", keyManagerList));
                        }
                        return new AuthenticationResponse(false, isMandatory, true, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS_MESSAGE);
                    }
                } else {
                    if (log.isDebugEnabled()) {
                        log.debug("KeyManager not found for accessToken " + GatewayUtils.getMaskedToken(accessToken));
                    }
                }
            } catch (ParseException | IllegalArgumentException e) {
                log.debug("Not a JWT token. Failed to decode the token header.", e);
            } catch (APIManagementException e) {
                log.error("error while check validation of JWt", e);
                return new AuthenticationResponse(false, isMandatory, true, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS, APISecurityConstants.API_AUTH_INVALID_CREDENTIALS_MESSAGE);
            }
        }
        authenticationScheme = getAPIKeyValidator().getResourceAuthenticationScheme(synCtx);
    } catch (APISecurityException ex) {
        return new AuthenticationResponse(false, isMandatory, true, ex.getErrorCode(), ex.getMessage());
    }
    context.stop();
    APIKeyValidationInfoDTO info;
    if (APIConstants.NO_MATCHING_AUTH_SCHEME.equals(authenticationScheme)) {
        info = new APIKeyValidationInfoDTO();
        info.setAuthorized(false);
        info.setValidationStatus(900906);
    } else if (accessToken == null || apiContext == null || apiVersion == null) {
        if (log.isDebugEnabled()) {
            if (accessToken == null) {
                log.debug("OAuth headers not found");
            } else if (apiContext == null) {
                log.debug("Couldn't find API Context");
            } else {
                log.debug("Could not find api version");
            }
        }
        return new AuthenticationResponse(false, isMandatory, true, APISecurityConstants.API_AUTH_MISSING_CREDENTIALS, "Required OAuth credentials not provided");
    } else {
        // Start JWT token validation
        if (isJwtToken) {
            try {
                AuthenticationContext authenticationContext = jwtValidator.authenticate(signedJWTInfo, synCtx);
                APISecurityUtils.setAuthenticationContext(synCtx, authenticationContext, securityContextHeader);
                log.debug("User is authorized using JWT token to access the resource.");
                synCtx.setProperty(APIMgtGatewayConstants.END_USER_NAME, authenticationContext.getUsername());
                return new AuthenticationResponse(true, isMandatory, false, 0, null);
            } catch (APISecurityException ex) {
                return new AuthenticationResponse(false, isMandatory, true, ex.getErrorCode(), ex.getMessage());
            }
        }
        if (log.isDebugEnabled()) {
            log.debug("Matching resource is: ".concat(matchingResource));
        }
        timer = getTimer(MetricManager.name(APIConstants.METRICS_PREFIX, this.getClass().getSimpleName(), "GET_KEY_VALIDATION_INFO"));
        context = timer.start();
        try {
            info = getAPIKeyValidator().getKeyValidationInfo(apiContext, accessToken, apiVersion, authenticationScheme, matchingResource, httpMethod, defaultVersionInvoked, keyManagerList);
        } catch (APISecurityException ex) {
            return new AuthenticationResponse(false, isMandatory, true, ex.getErrorCode(), ex.getMessage());
        }
        context.stop();
        synCtx.setProperty(APIMgtGatewayConstants.APPLICATION_NAME, info.getApplicationName());
        synCtx.setProperty(APIMgtGatewayConstants.END_USER_NAME, info.getEndUserName());
        synCtx.setProperty(APIMgtGatewayConstants.SCOPES, info.getScopes() == null ? null : info.getScopes().toString());
    }
    if (info.isAuthorized()) {
        AuthenticationContext authContext = new AuthenticationContext();
        authContext.setAuthenticated(true);
        authContext.setTier(info.getTier());
        authContext.setApiKey(accessToken);
        authContext.setKeyType(info.getType());
        if (info.getEndUserName() != null) {
            authContext.setUsername(info.getEndUserName());
        } else {
            authContext.setUsername(APIConstants.END_USER_ANONYMOUS);
        }
        authContext.setCallerToken(info.getEndUserToken());
        authContext.setApplicationId(info.getApplicationId());
        authContext.setApplicationUUID(info.getApplicationUUID());
        authContext.setApplicationName(info.getApplicationName());
        authContext.setApplicationTier(info.getApplicationTier());
        authContext.setSubscriber(info.getSubscriber());
        authContext.setConsumerKey(info.getConsumerKey());
        authContext.setApiTier(info.getApiTier());
        authContext.setThrottlingDataList(info.getThrottlingDataList());
        authContext.setSubscriberTenantDomain(info.getSubscriberTenantDomain());
        authContext.setSpikeArrestLimit(info.getSpikeArrestLimit());
        authContext.setSpikeArrestUnit(info.getSpikeArrestUnit());
        authContext.setStopOnQuotaReach(info.isStopOnQuotaReach());
        authContext.setIsContentAware(info.isContentAware());
        APISecurityUtils.setAuthenticationContext(synCtx, authContext, securityContextHeader);
        if (info.getProductName() != null && info.getProductProvider() != null) {
            authContext.setProductName(info.getProductName());
            authContext.setProductProvider(info.getProductProvider());
        }
        /* Synapse properties required for BAM Mediator*/
        // String tenantDomain = MultitenantUtils.getTenantDomain(info.getApiPublisher());
        synCtx.setProperty("api.ut.apiPublisher", info.getApiPublisher());
        synCtx.setProperty("API_NAME", info.getApiName());
        /* GraphQL Query Analysis Information */
        if (APIConstants.GRAPHQL_API.equals(synCtx.getProperty(APIConstants.API_TYPE))) {
            synCtx.setProperty(APIConstants.MAXIMUM_QUERY_DEPTH, info.getGraphQLMaxDepth());
            synCtx.setProperty(APIConstants.MAXIMUM_QUERY_COMPLEXITY, info.getGraphQLMaxComplexity());
        }
        if (log.isDebugEnabled()) {
            log.debug("User is authorized to access the Resource");
        }
        return new AuthenticationResponse(true, isMandatory, false, 0, null);
    } else {
        if (log.isDebugEnabled()) {
            log.debug("User is NOT authorized to access the Resource");
        }
        return new AuthenticationResponse(false, isMandatory, true, info.getValidationStatus(), "Access failure for API: " + apiContext + ", version: " + apiVersion + " status: (" + info.getValidationStatus() + ") - " + APISecurityConstants.getAuthenticationFailureMessage(info.getValidationStatus()));
    }
}