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src/main/java/net/tirasa/connid/bundles/googleapps/GoogleApiExecutor.java
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| /* | ||
| * ==================== | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | ||
| * | ||
| * Copyright (c) 2024 ConnId. All Rights Reserved | ||
| * | ||
| * The contents of this file are subject to the terms of the Common Development | ||
| * and Distribution License("CDDL") (the "License"). You may not use this file | ||
| * except in compliance with the License. | ||
| * | ||
| * You can obtain a copy of the License at | ||
| * http://opensource.org/licenses/cddl1.php | ||
| * See the License for the specific language governing permissions and limitations | ||
| * under the License. | ||
| * | ||
| * When distributing the Covered Code, include this CDDL Header Notice in each file | ||
| * and include the License file at http://opensource.org/licenses/cddl1.php. | ||
| * If applicable, add the following below this CDDL Header, with the fields | ||
| * enclosed by brackets [] replaced by your own identifying information: | ||
| * "Portions Copyrighted [year] [name of copyright owner]" | ||
| * ==================== | ||
| */ | ||
| package net.tirasa.connid.bundles.googleapps; | ||
|
|
||
| import com.google.api.client.googleapis.json.GoogleJsonError; | ||
| import com.google.api.client.googleapis.json.GoogleJsonResponseException; | ||
| import com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest; | ||
| import com.google.api.client.http.HttpStatusCodes; | ||
| import java.io.IOException; | ||
| import java.security.SecureRandom; | ||
| import org.identityconnectors.common.Assertions; | ||
| import org.identityconnectors.common.logging.Log; | ||
| import org.identityconnectors.framework.common.exceptions.ConnectorException; | ||
| import org.identityconnectors.framework.common.exceptions.RetryableException; | ||
|
|
||
| public final class GoogleApiExecutor { | ||
|
|
||
| private static final Log LOG = Log.getLog(GoogleApiExecutor.class); | ||
|
|
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| private static final SecureRandom RANDOM = new SecureRandom(); | ||
|
|
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| public static <G extends AbstractGoogleJsonClientRequest<T>, T, R> R execute( | ||
| final G request, final RequestResultHandler<G, T, R> handler) { | ||
|
|
||
| return execute( | ||
| Assertions.nullChecked(request, "Google Json ClientRequest"), | ||
| Assertions.nullChecked(handler, "handler"), -1); | ||
| } | ||
|
|
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| public static <G extends AbstractGoogleJsonClientRequest<T>, T, R> R execute( | ||
| final G request, final RequestResultHandler<G, T, R> handler, final int retry) { | ||
|
|
||
| try { | ||
| if (retry >= 0) { | ||
| long sleep = (long) ((1000 * Math.pow(2, retry)) + nextLong(1000)); | ||
| try { | ||
| Thread.sleep(sleep); | ||
| } catch (InterruptedException e) { | ||
| throw ConnectorException.wrap(e); | ||
| } | ||
| } | ||
| return handler.handleResult(request, request.execute()); | ||
| } catch (GoogleJsonResponseException e) { | ||
| GoogleJsonError details = e.getDetails(); | ||
| if (null != details && null != details.getErrors()) { | ||
| GoogleJsonError.ErrorInfo errorInfo = details.getErrors().get(0); | ||
| // error: 403 | ||
| LOG.error("Unable to execute request {0} - {1} - {2}", | ||
| e.getStatusCode(), e.getStatusMessage(), errorInfo.getReason()); | ||
| switch (e.getStatusCode()) { | ||
| case HttpStatusCodes.STATUS_CODE_FORBIDDEN: | ||
| if ("userRateLimitExceeded".equalsIgnoreCase(errorInfo.getReason()) | ||
| || "rateLimitExceeded".equalsIgnoreCase(errorInfo.getReason())) { | ||
| return handler.handleError(e); | ||
| } | ||
| break; | ||
| case HttpStatusCodes.STATUS_CODE_NOT_FOUND: | ||
| if ("notFound".equalsIgnoreCase(errorInfo.getReason())) { | ||
| return handler.handleNotFound(e); | ||
| } | ||
| break; | ||
| case 409: | ||
| if ("duplicate".equalsIgnoreCase(errorInfo.getReason())) { | ||
| // Already Exists | ||
| handler.handleDuplicate(e); | ||
| } | ||
| break; | ||
| case 400: | ||
| if ("invalid".equalsIgnoreCase(errorInfo.getReason())) { | ||
| // Already Exists "Invalid Ou Id" | ||
| } | ||
| break; | ||
| case HttpStatusCodes.STATUS_CODE_SERVICE_UNAVAILABLE: | ||
| if ("backendError".equalsIgnoreCase(errorInfo.getReason())) { | ||
| throw RetryableException.wrap(e.getMessage(), e); | ||
| } | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (e.getStatusCode() == HttpStatusCodes.STATUS_CODE_FORBIDDEN) { | ||
| LOG.error("Forbidden request"); | ||
| handler.handleError(e); | ||
| } else if (e.getStatusCode() == HttpStatusCodes.STATUS_CODE_NOT_FOUND) { | ||
| LOG.error("Endpoint not found for request"); | ||
| return handler.handleNotFound(e); | ||
| } | ||
| throw ConnectorException.wrap(e); | ||
| } catch (IOException e) { | ||
| // https://developers.google.com/admin-sdk/directory/v1/limits | ||
| // rateLimitExceeded or userRateLimitExceeded | ||
| if (retry < 5) { | ||
| return execute(request, handler, retry + 1); | ||
| } else { | ||
| return handler.handleError(e); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static long nextLong(final long n) { | ||
| long bits, val; | ||
| do { | ||
| bits = (RANDOM.nextLong() << 1) >>> 1; | ||
| val = bits % n; | ||
| } while (bits - val + (n - 1) < 0L); | ||
| return val; | ||
| } | ||
|
|
||
| private GoogleApiExecutor() { | ||
| // private constructor for static utility class | ||
| } | ||
| } |
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