feat: allows creation of PATs for other users (#2718)

https://linear.app/unleash/issue/2-530/api-allow-creation-of-pats-for-other-users


![image](https://user-images.githubusercontent.com/14320932/208720680-5d5ccee7-1972-4f5b-8024-3a69d50a571f.png)

Adds and takes into account the following permissions:
 - **READ_USER_PAT**;
 - **CREATE_USER_PAT**;
 - **DELETE_USER_PAT**;
 
 API only, will make some exploration on UI soon.

Co-authored-by: Gastón Fournier <gaston@getunleash.ai>

frontend/src/component/providers/AccessProvider/permissions.ts

@@ -36,3 +36,6 @@ export const DELETE_SEGMENT = 'DELETE_SEGMENT';
 export const APPLY_CHANGE_REQUEST = 'APPLY_CHANGE_REQUEST';
 export const APPROVE_CHANGE_REQUEST = 'APPROVE_CHANGE_REQUEST';
 export const SKIP_CHANGE_REQUEST = 'SKIP_CHANGE_REQUEST';
+export const READ_USER_PAT = 'READ_USER_PAT';
+export const CREATE_USER_PAT = 'CREATE_USER_PAT';
+export const DELETE_USER_PAT = 'DELETE_USER_PAT';

src/lib/__snapshots__/create-config.test.ts.snap

@@ -80,6 +80,7 @@ exports[`should create default config 1`] = `
       "networkView": false,
       "proxyReturnAllToggles": false,
       "responseTimeWithAppName": false,
+      "serviceAccounts": false,
       "variantsPerEnvironment": false,
     },
   },
@@ -98,6 +99,7 @@ exports[`should create default config 1`] = `
       "networkView": false,
       "proxyReturnAllToggles": false,
       "responseTimeWithAppName": false,
+      "serviceAccounts": false,
       "variantsPerEnvironment": false,
     },
     "externalResolver": {

src/lib/routes/admin-api/user/pat.ts

@@ -78,7 +78,11 @@ export default class PatController extends Controller {
 
     async createPat(req: IAuthRequest, res: Response): Promise<void> {
         const pat = req.body;
-        const createdPat = await this.patService.createPat(pat, req.user);
+        const createdPat = await this.patService.createPat(
+            pat,
+            req.user.id,
+            req.user,
+        );
         this.openApiService.respondWithValidation(
             201,
             res,
@@ -88,7 +92,7 @@ export default class PatController extends Controller {
     }
 
     async getPats(req: IAuthRequest, res: Response<PatSchema>): Promise<void> {
-        const pats = await this.patService.getAll(req.user);
+        const pats = await this.patService.getAll(req.user.id);
         this.openApiService.respondWithValidation(200, res, patsSchema.$id, {
             pats: serializeDates(pats),
         });

src/lib/services/pat-service.ts

@@ -33,24 +33,28 @@ export default class PatService {
         this.eventStore = eventStore;
     }
 
-    async createPat(pat: IPat, user: User): Promise<IPat> {
-        await this.validatePat(pat, user.id);
+    async createPat(
+        pat: IPat,
+        forUserId: number,
+        creator: User,
+    ): Promise<IPat> {
+        await this.validatePat(pat, forUserId);
         pat.secret = this.generateSecretKey();
-        pat.userId = user.id;
+        pat.userId = forUserId;
         const newPat = await this.patStore.create(pat);
 
         pat.secret = '***';
         await this.eventStore.store({
             type: PAT_CREATED,
-            createdBy: user.email || user.username,
+            createdBy: creator.email || creator.username,
             data: pat,
         });
 
         return newPat;
     }
 
-    async getAll(user: User): Promise<IPat[]> {
-        return this.patStore.getAllByUser(user.id);
+    async getAll(userId: number): Promise<IPat[]> {
+        return this.patStore.getAllByUser(userId);
     }
 
     async deletePat(id: number, userId: number): Promise<void> {

src/lib/types/experimental.ts

@@ -51,6 +51,10 @@ const flags = {
         process.env.UNLEASH_EXPERIMENTAL_MESSAGE_BANNER,
         false,
     ),
+    serviceAccounts: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_SERVICE_ACCOUNTS,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {

src/lib/types/permissions.ts

@@ -42,3 +42,6 @@ export const DELETE_SEGMENT = 'DELETE_SEGMENT';
 export const APPROVE_CHANGE_REQUEST = 'APPROVE_CHANGE_REQUEST';
 export const APPLY_CHANGE_REQUEST = 'APPLY_CHANGE_REQUEST';
 export const SKIP_CHANGE_REQUEST = 'SKIP_CHANGE_REQUEST';
+export const READ_USER_PAT = 'READ_USER_PAT';
+export const CREATE_USER_PAT = 'CREATE_USER_PAT';
+export const DELETE_USER_PAT = 'DELETE_USER_PAT';

src/migrations/20221220160345-user-pat-permissions.js

@@ -0,0 +1,21 @@
+exports.up = function (db, cb) {
+    db.runSql(
+        `
+        INSERT INTO permissions (permission, display_name, type) VALUES ('READ_USER_PAT', 'Read PATs for a specific user', 'root');
+        INSERT INTO permissions (permission, display_name, type) VALUES ('CREATE_USER_PAT', 'Create a PAT for a specific user', 'root');
+        INSERT INTO permissions (permission, display_name, type) VALUES ('DELETE_USER_PAT', 'Delete a PAT for a specific user', 'root');
+        `,
+        cb,
+    );
+};
+
+exports.down = function (db, cb) {
+    db.runSql(
+        `
+        DELETE FROM permissions WHERE permission = 'READ_USER_PAT';
+        DELETE FROM permissions WHERE permission = 'CREATE_USER_PAT';
+        DELETE FROM permissions WHERE permission = 'DELETE_USER_PAT';
+  `,
+        cb,
+    );
+};

src/server-dev.ts

@@ -41,6 +41,8 @@ process.nextTick(async () => {
                         responseTimeWithAppName: true,
                         changeRequests: true,
                         variantsPerEnvironment: true,
+                        maintenance: false,
+                        serviceAccounts: true,
                     },
                 },
                 authentication: {