Examples with APIConfigContext org.wso2.carbon.apimgt.core.template.APIConfigContext used on opensource projects

Example 1 with APIConfigContext

use of org.wso2.carbon.apimgt.core.template.APIConfigContext in project carbon-apimgt by wso2.

the class APIPublisherImpl method addAPI.

/**
 * Adds a new API to the system
 *
 * @param apiBuilder API model object
 * @return UUID of the added API.
 * @throws APIManagementException if failed to add API
 */
@Override
public String addAPI(API.APIBuilder apiBuilder) throws APIManagementException {
    API createdAPI;
    APIGateway gateway = getApiGateway();
    apiBuilder.provider(getUsername());
    if (StringUtils.isEmpty(apiBuilder.getId())) {
        apiBuilder.id(UUID.randomUUID().toString());
    }
    LocalDateTime localDateTime = LocalDateTime.now();
    apiBuilder.createdTime(localDateTime);
    apiBuilder.lastUpdatedTime(localDateTime);
    apiBuilder.createdBy(getUsername());
    apiBuilder.updatedBy(getUsername());
    if (apiBuilder.getLabels().isEmpty()) {
        List<String> labelSet = new ArrayList<>();
        labelSet.add(getLabelIdByNameAndType(APIMgtConstants.DEFAULT_LABEL_NAME, APIMgtConstants.LABEL_TYPE_GATEWAY));
        labelSet.add(getLabelIdByNameAndType(APIMgtConstants.DEFAULT_LABEL_NAME, APIMgtConstants.LABEL_TYPE_STORE));
        apiBuilder.labels(labelSet);
    }
    Map<String, Endpoint> apiEndpointMap = apiBuilder.getEndpoint();
    validateEndpoints(apiEndpointMap, false);
    try {
        if (!isApiNameExist(apiBuilder.getName()) && !isContextExist(apiBuilder.getContext())) {
            LifecycleState lifecycleState = getApiLifecycleManager().addLifecycle(APIMgtConstants.API_LIFECYCLE, getUsername());
            apiBuilder.associateLifecycle(lifecycleState);
            createUriTemplateList(apiBuilder, false);
            List<UriTemplate> list = new ArrayList<>(apiBuilder.getUriTemplates().values());
            List<TemplateBuilderDTO> resourceList = new ArrayList<>();
            validateApiPolicy(apiBuilder.getApiPolicy());
            validateSubscriptionPolicies(apiBuilder);
            for (UriTemplate uriTemplate : list) {
                TemplateBuilderDTO dto = new TemplateBuilderDTO();
                dto.setTemplateId(uriTemplate.getTemplateId());
                dto.setUriTemplate(uriTemplate.getUriTemplate());
                dto.setHttpVerb(uriTemplate.getHttpVerb());
                Map<String, Endpoint> map = uriTemplate.getEndpoint();
                if (map.containsKey(APIMgtConstants.PRODUCTION_ENDPOINT)) {
                    Endpoint endpoint = map.get(APIMgtConstants.PRODUCTION_ENDPOINT);
                    dto.setProductionEndpoint(endpoint);
                }
                if (map.containsKey(APIMgtConstants.SANDBOX_ENDPOINT)) {
                    Endpoint endpoint = map.get(APIMgtConstants.SANDBOX_ENDPOINT);
                    dto.setSandboxEndpoint(endpoint);
                }
                resourceList.add(dto);
            }
            GatewaySourceGenerator gatewaySourceGenerator = getGatewaySourceGenerator();
            APIConfigContext apiConfigContext = new APIConfigContext(apiBuilder.build(), config.getGatewayPackageName());
            gatewaySourceGenerator.setApiConfigContext(apiConfigContext);
            String gatewayConfig = gatewaySourceGenerator.getConfigStringFromTemplate(resourceList);
            if (log.isDebugEnabled()) {
                log.debug("API " + apiBuilder.getName() + "gateway config: " + gatewayConfig);
            }
            apiBuilder.gatewayConfig(gatewayConfig);
            if (StringUtils.isEmpty(apiBuilder.getApiDefinition())) {
                apiBuilder.apiDefinition(apiDefinitionFromSwagger20.generateSwaggerFromResources(apiBuilder));
            }
            if (!StringUtils.isEmpty(apiBuilder.getApiPermission())) {
                Map<String, Integer> roleNamePermissionList;
                roleNamePermissionList = getAPIPermissionArray(apiBuilder.getApiPermission());
                apiBuilder.permissionMap(roleNamePermissionList);
            }
            createdAPI = apiBuilder.build();
            APIUtils.validate(createdAPI);
            // Add API to gateway
            gateway.addAPI(createdAPI);
            if (log.isDebugEnabled()) {
                log.debug("API : " + apiBuilder.getName() + " has been identifier published to gateway");
            }
            Set<String> apiRoleList;
            // if the API has role based visibility, add the API with role checking
            if (API.Visibility.PUBLIC == createdAPI.getVisibility()) {
                getApiDAO().addAPI(createdAPI);
            } else if (API.Visibility.RESTRICTED == createdAPI.getVisibility()) {
                // get all the roles in the system
                Set<String> allAvailableRoles = APIUtils.getAllAvailableRoles();
                // get the roles needed to be associated with the API
                apiRoleList = createdAPI.getVisibleRoles();
                if (APIUtils.checkAllowedRoles(allAvailableRoles, apiRoleList)) {
                    getApiDAO().addAPI(createdAPI);
                }
            }
            APIUtils.logDebug("API " + createdAPI.getName() + "-" + createdAPI.getVersion() + " was created " + "successfully.", log);
            // 'API_M Functions' related code
            // Create a payload with event specific details
            Map<String, String> eventPayload = new HashMap<>();
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_ID, createdAPI.getId());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_NAME, createdAPI.getName());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_VERSION, createdAPI.getVersion());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_DESCRIPTION, createdAPI.getDescription());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_CONTEXT, createdAPI.getContext());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_LC_STATUS, createdAPI.getLifeCycleStatus());
            eventPayload.put(APIMgtConstants.FunctionsConstants.API_PERMISSION, createdAPI.getApiPermission());
            // This will notify all the EventObservers(Asynchronous)
            ObserverNotifier observerNotifier = new ObserverNotifier(Event.API_CREATION, getUsername(), ZonedDateTime.now(ZoneOffset.UTC), eventPayload, this);
            ObserverNotifierThreadPool.getInstance().executeTask(observerNotifier);
        } else {
            String message = "Duplicate API already Exist with name/Context " + apiBuilder.getName();
            log.error(message);
            throw new APIManagementException(message, ExceptionCodes.API_ALREADY_EXISTS);
        }
    } catch (APIMgtDAOException e) {
        String errorMsg = "Error occurred while creating the API - " + apiBuilder.getName();
        log.error(errorMsg);
        throw new APIManagementException(errorMsg, e, e.getErrorHandler());
    } catch (LifecycleException | ParseException e) {
        String errorMsg = "Error occurred while Associating the API - " + apiBuilder.getName();
        log.error(errorMsg);
        throw new APIManagementException(errorMsg, e, ExceptionCodes.APIMGT_LIFECYCLE_EXCEPTION);
    } catch (APITemplateException e) {
        String message = "Error generating API configuration for API " + apiBuilder.getName();
        log.error(message, e);
        throw new APIManagementException(message, ExceptionCodes.TEMPLATE_EXCEPTION);
    } catch (GatewayException e) {
        String message = "Error occurred while adding API - " + apiBuilder.getName() + " to gateway";
        log.error(message, e);
        throw new APIManagementException(message, ExceptionCodes.GATEWAY_EXCEPTION);
    }
    return apiBuilder.getId();
}

Example 2 with APIConfigContext

use of org.wso2.carbon.apimgt.core.template.APIConfigContext in project carbon-apimgt by wso2.

the class APIPublisherImpl method updateApiGatewayConfig.

/**
 * {@inheritDoc}
 */
@Override
public void updateApiGatewayConfig(String apiId, String configString) throws APIManagementException {
    API api = getAPIbyUUID(apiId);
    GatewaySourceGenerator gatewaySourceGenerator = getGatewaySourceGenerator();
    APIConfigContext apiConfigContext = new APIConfigContext(api, config.getGatewayPackageName());
    gatewaySourceGenerator.setApiConfigContext(apiConfigContext);
    try {
        String swagger = gatewaySourceGenerator.getSwaggerFromGatewayConfig(configString);
        getApiDAO().updateApiDefinition(apiId, swagger, getUsername());
        getApiDAO().updateGatewayConfig(apiId, configString, getUsername());
    } catch (APIMgtDAOException e) {
        log.error("Couldn't update configuration for apiId " + apiId, e);
        throw new APIManagementException("Couldn't update configuration for apiId " + apiId, e.getErrorHandler());
    } catch (APITemplateException e) {
        log.error("Error generating swagger from gateway config " + apiId, e);
        throw new APIManagementException("Error generating swagger from gateway config " + apiId, ExceptionCodes.TEMPLATE_EXCEPTION);
    }
}

Example 3 with APIConfigContext

use of org.wso2.carbon.apimgt.core.template.APIConfigContext in project carbon-apimgt by wso2.

the class APIPublisherImpl method updateAPI.

/**
 * Updates design and implementation of an existing API. This method must not be used to change API status.
 * Implementations should throw an exceptions when such attempts are made. All life cycle state changes
 * should be carried out using the changeAPIStatus method of this interface.
 *
 * @param apiBuilder {@code org.wso2.carbon.apimgt.core.models.API.APIBuilder} model object
 * @throws APIManagementException if failed to update API
 */
@Override
public void updateAPI(API.APIBuilder apiBuilder) throws APIManagementException {
    APIGateway gateway = getApiGateway();
    apiBuilder.provider(getUsername());
    apiBuilder.updatedBy(getUsername());
    try {
        API originalAPI = getAPIbyUUID(apiBuilder.getId());
        if (originalAPI != null) {
            // Checks whether the logged in user has the "UPDATE" permission for the API
            verifyUserPermissionsToUpdateAPI(getUsername(), originalAPI);
            apiBuilder.createdTime(originalAPI.getCreatedTime());
            // workflow status is an internal property and shouldn't be allowed to update externally
            apiBuilder.workflowStatus(originalAPI.getWorkflowStatus());
            if ((originalAPI.getName().equals(apiBuilder.getName())) && (originalAPI.getVersion().equals(apiBuilder.getVersion())) && (originalAPI.getProvider().equals(apiBuilder.getProvider())) && originalAPI.getLifeCycleStatus().equalsIgnoreCase(apiBuilder.getLifeCycleStatus())) {
                if (!StringUtils.isEmpty(apiBuilder.getApiPermission())) {
                    apiBuilder.apiPermission(replaceGroupNamesWithId(apiBuilder.getApiPermission()));
                    Map<String, Integer> roleNamePermissionList;
                    roleNamePermissionList = getAPIPermissionArray(apiBuilder.getApiPermission());
                    apiBuilder.permissionMap(roleNamePermissionList);
                }
                Map<String, Endpoint> apiEndpointMap = apiBuilder.getEndpoint();
                validateEndpoints(apiEndpointMap, true);
                validateLabels(apiBuilder.getLabels(), originalAPI.hasOwnGateway());
                createUriTemplateList(apiBuilder, true);
                validateApiPolicy(apiBuilder.getApiPolicy());
                validateSubscriptionPolicies(apiBuilder);
                String updatedSwagger = apiDefinitionFromSwagger20.generateMergedResourceDefinition(getApiDAO().getApiSwaggerDefinition(apiBuilder.getId()), apiBuilder.build());
                String gatewayConfig = getApiGatewayConfig(apiBuilder.getId());
                GatewaySourceGenerator gatewaySourceGenerator = getGatewaySourceGenerator();
                APIConfigContext apiConfigContext = new APIConfigContext(apiBuilder.build(), config.getGatewayPackageName());
                gatewaySourceGenerator.setApiConfigContext(apiConfigContext);
                String updatedGatewayConfig = gatewaySourceGenerator.getGatewayConfigFromSwagger(gatewayConfig, updatedSwagger);
                API api = apiBuilder.build();
                // Add API to gateway
                gateway.updateAPI(api);
                if (log.isDebugEnabled()) {
                    log.debug("API : " + apiBuilder.getName() + " has been successfully updated in gateway");
                }
                if (originalAPI.getContext() != null && !originalAPI.getContext().equals(apiBuilder.getContext())) {
                    if (!checkIfAPIContextExists(api.getContext())) {
                        // if the API has public visibility, update the API without any role checking
                        if (API.Visibility.PUBLIC == api.getVisibility()) {
                            getApiDAO().updateAPI(api.getId(), api);
                        } else if (API.Visibility.RESTRICTED == api.getVisibility()) {
                            // get all the roles in the system
                            Set<String> availableRoles = APIUtils.getAllAvailableRoles();
                            // get the roles needed to be associated with the API
                            Set<String> apiRoleList = api.getVisibleRoles();
                            // if the API has role based visibility, update the API with role checking
                            if (APIUtils.checkAllowedRoles(availableRoles, apiRoleList)) {
                                getApiDAO().updateAPI(api.getId(), api);
                            }
                        }
                        getApiDAO().updateApiDefinition(api.getId(), updatedSwagger, api.getUpdatedBy());
                        getApiDAO().updateGatewayConfig(api.getId(), updatedGatewayConfig, api.getUpdatedBy());
                    } else {
                        throw new APIManagementException("Context already Exist", ExceptionCodes.API_ALREADY_EXISTS);
                    }
                } else {
                    // if the API has public visibility, update the API without any role checking
                    if (API.Visibility.PUBLIC == api.getVisibility()) {
                        getApiDAO().updateAPI(api.getId(), api);
                    } else if (API.Visibility.RESTRICTED == api.getVisibility()) {
                        // get all the roles in the system
                        Set<String> allAvailableRoles = APIUtils.getAllAvailableRoles();
                        // get the roles needed to be associated with the API
                        Set<String> apiRoleList = api.getVisibleRoles();
                        // if the API has role based visibility, update the API with role checking
                        if (APIUtils.checkAllowedRoles(allAvailableRoles, apiRoleList)) {
                            getApiDAO().updateAPI(api.getId(), api);
                        }
                    }
                    getApiDAO().updateApiDefinition(api.getId(), updatedSwagger, api.getUpdatedBy());
                    getApiDAO().updateGatewayConfig(api.getId(), updatedGatewayConfig, api.getUpdatedBy());
                }
                if (log.isDebugEnabled()) {
                    log.debug("API " + api.getName() + "-" + api.getVersion() + " was updated successfully.");
                    // 'API_M Functions' related code
                    // Create a payload with event specific details
                    Map<String, String> eventPayload = new HashMap<>();
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_ID, api.getId());
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_NAME, api.getName());
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_VERSION, api.getVersion());
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_DESCRIPTION, api.getDescription());
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_CONTEXT, api.getContext());
                    eventPayload.put(APIMgtConstants.FunctionsConstants.API_LC_STATUS, api.getLifeCycleStatus());
                    // This will notify all the EventObservers(Asynchronous)
                    ObserverNotifier observerNotifier = new ObserverNotifier(Event.API_UPDATE, getUsername(), ZonedDateTime.now(ZoneOffset.UTC), eventPayload, this);
                    ObserverNotifierThreadPool.getInstance().executeTask(observerNotifier);
                }
            } else {
                APIUtils.verifyValidityOfApiUpdate(apiBuilder, originalAPI);
            }
        } else {
            log.error("Couldn't found API with ID " + apiBuilder.getId());
            throw new APIManagementException("Couldn't found API with ID " + apiBuilder.getId(), ExceptionCodes.API_NOT_FOUND);
        }
    } catch (APIMgtDAOException e) {
        String errorMsg = "Error occurred while updating the API - " + apiBuilder.getName();
        log.error(errorMsg, e);
        throw new APIManagementException(errorMsg, e, e.getErrorHandler());
    } catch (ParseException e) {
        String errorMsg = "Error occurred while parsing the permission json from swagger - " + apiBuilder.getName();
        log.error(errorMsg, e);
        throw new APIManagementException(errorMsg, e, ExceptionCodes.SWAGGER_PARSE_EXCEPTION);
    } catch (GatewayException e) {
        String message = "Error occurred while updating API - " + apiBuilder.getName() + " in gateway";
        log.error(message, e);
        throw new APIManagementException(message, ExceptionCodes.GATEWAY_EXCEPTION);
    }
}

Example 4 with APIConfigContext

use of org.wso2.carbon.apimgt.core.template.APIConfigContext in project carbon-apimgt by wso2.

the class GatewaySourceGeneratorImpl method getConfigStringFromTemplate.

@Override
public String getConfigStringFromTemplate(List<TemplateBuilderDTO> apiResources) throws APITemplateException {
    StringWriter writer = new StringWriter();
    String templatePath = "resources" + File.separator + "template" + File.separator + "template.xml";
    try {
        // build the context for template and apply the necessary decorators
        apiConfigContext.validate();
        ConfigContext configContext = new ResourceConfigContext(apiConfigContext, apiResources);
        VelocityContext context = configContext.getContext();
        VelocityEngine velocityengine = new VelocityEngine();
        velocityengine.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
        velocityengine.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
        velocityengine.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM, new CommonsLogLogChute());
        velocityengine.init();
        Template template = velocityengine.getTemplate(templatePath);
        template.merge(context, writer);
    } catch (ResourceNotFoundException e) {
        log.error("Template " + templatePath + " not Found", e);
        throw new APITemplateException("Template " + templatePath + " not Found", ExceptionCodes.TEMPLATE_EXCEPTION);
    } catch (ParseErrorException e) {
        log.error("Syntax error in " + templatePath, e);
        throw new APITemplateException("Syntax error in " + templatePath, ExceptionCodes.TEMPLATE_EXCEPTION);
    }
    return writer.toString();
}

Example 5 with APIConfigContext

use of org.wso2.carbon.apimgt.core.template.APIConfigContext in project carbon-apimgt by wso2.

the class GatewaySourceGeneratorImpl method getCompositeAPIConfigStringFromTemplate.

@Override
public String getCompositeAPIConfigStringFromTemplate(List<TemplateBuilderDTO> apiResources, List<CompositeAPIEndpointDTO> compositeApiEndpoints) throws APITemplateException {
    StringWriter writer = new StringWriter();
    String templatePath = "resources" + File.separator + "template" + File.separator + "composite_template.xml";
    try {
        // build the context for template and apply the necessary decorators
        apiConfigContext.validate();
        CompositeAPIConfigContext configContext = new CompositeAPIConfigContext(apiConfigContext, apiResources, compositeApiEndpoints);
        VelocityContext context = configContext.getContext();
        VelocityEngine velocityengine = new VelocityEngine();
        velocityengine.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
        velocityengine.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
        velocityengine.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM, new CommonsLogLogChute());
        velocityengine.init();
        Template template = velocityengine.getTemplate(templatePath);
        template.merge(context, writer);
    } catch (ResourceNotFoundException e) {
        log.error("Template " + templatePath + " not Found", e);
        throw new APITemplateException("Template " + templatePath + " not Found", ExceptionCodes.TEMPLATE_EXCEPTION);
    } catch (ParseErrorException e) {
        log.error("Syntax error in " + templatePath, e);
        throw new APITemplateException("Syntax error in " + templatePath, ExceptionCodes.TEMPLATE_EXCEPTION);
    }
    return writer.toString();
}