(feature): enable permissions in jenkins plugin. Actions (re-build) can be executed only by a user who owns the entity (or related group own the entity)

Signed-off-by: Hasan Oezdemir <21654050+nodify-at@users.noreply.github.com>

plugins/jenkins-common/.eslintrc.js

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+module.exports = {
+  extends: [require.resolve('@backstage/cli/config/eslint')],
+};

plugins/jenkins-common/README.md

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+# Jenkins Common
+
+Shared isomorphic code for the jenkins plugin.

plugins/jenkins-common/api-report.md

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+## API Report File for "@backstage/plugin-jenkins-common"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { Permission } from '@backstage/plugin-permission-common';
+
+// @public
+export const jenkinsExecutePermission: Permission;
+
+// @public (undocumented)
+export const RESOURCE_TYPE_JENKINS = 'jenkins';
+
+// (No @packageDocumentation comment for this package)
+```

plugins/jenkins-common/package.json

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+{
+  "name": "@backstage/plugin-jenkins-common",
+  "version": "0.1.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "license": "Apache-2.0",
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "module": "dist/index.esm.js",
+    "types": "dist/index.d.ts"
+  },
+  "backstage": {
+    "role": "common-library"
+  },
+  "scripts": {
+    "build": "backstage-cli package build",
+    "lint": "backstage-cli package lint",
+    "test": "backstage-cli package test",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack",
+    "clean": "backstage-cli package clean"
+  },
+  "dependencies": {
+    "@backstage/plugin-permission-common": "^0.5.1"
+  },
+  "devDependencies": {
+    "@backstage/cli": "^0.14.1"
+  },
+  "files": [
+    "dist"
+  ]
+}

plugins/jenkins-common/src/index.ts

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+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed 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.
+ */
+export * from './permissions';

plugins/jenkins-common/src/permissions.ts

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+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed 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.
+ */
+import { Permission } from '@backstage/plugin-permission-common';
+
+/**
+ * @public
+ */
+export const RESOURCE_TYPE_JENKINS = 'jenkins';
+
+/**
+ * This permission is used to determine if a user is allowed to execute an action in jenkins plugin
+ *
+ * @public
+ */
+export const jenkinsExecutePermission: Permission = {
+  name: 'jenkins.execute',
+  attributes: {
+    action: 'update',
+  },
+  resourceType: RESOURCE_TYPE_JENKINS,
+};