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https://issues.apache.org/jira/browse/NIFI-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16404229#comment-16404229
]
ASF GitHub Bot commented on NIFI-4246:
--------------------------------------
Github user jdye64 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2085#discussion_r175308002
--- Diff:
nifi-nar-bundles/nifi-oauth-bundle/nifi-oauth/src/main/java/org/apache/nifi/oauth/AbstractOAuthControllerService.java
---
@@ -0,0 +1,172 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.oauth;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.AbstractControllerService;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.reporting.InitializationException;
+
+
+public abstract class AbstractOAuthControllerService
+ extends AbstractControllerService implements OAuth2ClientService {
+
+ protected String accessToken = null;
+ protected String refreshToken = null;
+ protected String tokenType = null;
+ protected long expiresIn = -1;
+ protected long expiresTime = -1;
+ protected long lastResponseTimestamp = -1;
+ protected Map<String, String> extraHeaders = new HashMap<String,
String>();
+ protected String authUrl = null;
+ protected long expireTimeSafetyNetSeconds = -1;
+ protected String accessTokenRespName = null;
+ protected String expireTimeRespName = null;
+ protected String expireInRespName = null;
+ protected String tokenTypeRespName = null;
+ protected String scopeRespName = null;
+
--- End diff --
That makes sense Andy. All properties now support expression language
> OAuth 2 Authorization support - Client Credentials Grant
> --------------------------------------------------------
>
> Key: NIFI-4246
> URL: https://issues.apache.org/jira/browse/NIFI-4246
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Jeremy Dyer
> Assignee: Jeremy Dyer
> Priority: Major
>
> If your interacting with REST endpoints on the web chances are you are going
> to run into an OAuth2 secured webservice. The IETF (Internet Engineering Task
> Force) defines 4 methods in which OAuth2 authorization can occur. This JIRA
> is focused solely on the Client Credentials Grant method defined at
> https://tools.ietf.org/html/rfc6749#section-4.4
> This implementation should provide a ControllerService in which the enduser
> can configure the credentials for obtaining the authorization grant (access
> token) from the resource owner. In turn a new property will be added to the
> InvokeHTTP processor (if it doesn't already exist from one of the other JIRA
> efforts similar to this one) where the processor can reference this
> controller service to obtain the access token and insert the appropriate HTTP
> header (Authorization: Bearer{access_token}) so that the InvokeHTTP processor
> can interact with the OAuth protected resources without having to worry about
> setting up the credentials for each InvokeHTTP processor saving time and
> complexity.
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