Allow installation get (#1980)

spec/ParseInstallation.spec.js

@@ -2,14 +2,15 @@
 // These tests check the Installations functionality of the REST API.
 // Ported from installation_collection_test.go
 
-var auth = require('../src/Auth');
-var cache = require('../src/cache');
-var Config = require('../src/Config');
-var DatabaseAdapter = require('../src/DatabaseAdapter');
-var Parse = require('parse/node').Parse;
-var rest = require('../src/rest');
+let auth = require('../src/Auth');
+let cache = require('../src/cache');
+let Config = require('../src/Config');
+let DatabaseAdapter = require('../src/DatabaseAdapter');
+let Parse = require('parse/node').Parse;
+let rest = require('../src/rest');
+let request = require("request");
 
-var config = new Config('test');
+let config = new Config('test');
 let database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 let defaultColumns = require('../src/Controllers/SchemaController').defaultColumns;
 
@@ -808,8 +809,36 @@ describe('Installations', () => {
     });
   });
 
+  it('allows you to get your own installation (regression test for #1718)', done => {
+    let installId = '12345678-abcd-abcd-abcd-123456789abc';
+    let device = 'android';
+    let input = {
+      'installationId': installId,
+      'deviceType': device
+    };
+    rest.create(config, auth.nobody(config), '_Installation', input)
+    .then(createResult => {
+      let headers = {
+        'X-Parse-Application-Id': 'test',
+        'X-Parse-REST-API-Key':   'rest',
+      };
+      request.get({
+        headers: headers,
+        url: 'http://localhost:8378/1/installations/' + createResult.response.objectId,
+        json: true,
+      }, (error, response, body) => {
+        expect(body.objectId).toEqual(createResult.response.objectId);
+        done();
+      });
+    })
+    .catch(error => {
+      console.log(error);
+      fail('failed');
+      done();
+    });
+  });
+
   // TODO: Look at additional tests from installation_collection_test.go:882
   // TODO: Do we need to support _tombstone disabling of installations?
   // TODO: Test deletion, badge increments
-
 });

src/Routers/ClassesRouter.js

@@ -77,7 +77,7 @@ export class ClassesRouter extends PromiseRouter {
       options.include = String(body.include);
     }
 
-    return rest.find(req.config, req.auth, req.params.className, {objectId: req.params.objectId}, options)
+    return rest.get(req.config, req.auth, req.params.className, req.params.objectId, options)
       .then((response) => {
         if (!response.results || response.results.length == 0) {
           throw new Parse.Error(Parse.Error.OBJECT_NOT_FOUND, 'Object not found.');

src/rest.js

@@ -17,8 +17,14 @@ var triggers = require('./triggers');
 // Returns a promise for an object with optional keys 'results' and 'count'.
 function find(config, auth, className, restWhere, restOptions) {
   enforceRoleSecurity('find', className, auth);
-  var query = new RestQuery(config, auth, className,
-                            restWhere, restOptions);
+  let query = new RestQuery(config, auth, className, restWhere, restOptions);
+  return query.execute();
+}
+
+// get is just like find but only queries an objectId.
+const get = (config, auth, className, objectId, restOptions) => {
+  enforceRoleSecurity('get', className, auth);
+  let query = new RestQuery(config, auth, className, { objectId }, restOptions);
   return query.execute();
 }
 
@@ -128,8 +134,9 @@ function enforceRoleSecurity(method, className, auth) {
 }
 
 module.exports = {
-  create: create,
-  del: del,
-  find: find,
-  update: update
+  create,
+  del,
+  find,
+  get,
+  update
 };