fix: volatileClasses are masterKey only (#3916)

* volatileClass should respect the schema if defined

* masterKey only for the volatileClasses

* add some test …

spec/PushController.spec.js

@@ -395,7 +395,6 @@ describe('PushController', () => {
   });
 
   it('properly creates _PushStatus', (done) => {
-
     var installations = [];
     while(installations.length != 10) {
       const installation = new Parse.Object("_Installation");
@@ -436,7 +435,7 @@ describe('PushController', () => {
     reconfigureServer({
       push: { adapter: pushAdapter }
     }).then(() => {
-      return Parse.Object.saveAll(installations)
+      return Parse.Object.saveAll(installations);
     })
    .then(() => {
      return pushController.sendPush(payload, {}, config, auth);
@@ -472,8 +471,8 @@ describe('PushController', () => {
      // Try to get it without masterKey
      const query = new Parse.Query('_PushStatus');
      return query.find();
-   }).then((results) => {
+   }).catch((error) => {
-     expect(results.length).toBe(0);
+     expect(error.code).toBe(119);
      done();
    });
   });

spec/rest.spec.js

@@ -420,6 +420,35 @@ describe('rest create', () => {
         done();
       })
   });
+
+  it("can create object in volatileClasses if masterKey", (done) =>{
+    rest.create(config, auth.master(config), '_PushStatus', {})
+      .then((r) => {
+        expect(r.response.objectId.length).toBe(10);
+      })
+      .then(() => {
+        rest.create(config, auth.master(config), '_JobStatus', {})
+          .then((r) => {
+            expect(r.response.objectId.length).toBe(10);
+            done();
+          })
+      })
+
+  });
+
+  it("cannot create object in volatileClasses if not masterKey", (done) =>{
+    Promise.resolve()
+      .then(() => {
+        rest.create(config, auth.nobody(config), '_PushStatus', {})
+      })
+      .then((r) => {
+        console.log(r);
+      })
+      .catch((error) => {
+        expect(error.code).toEqual(119);
+        done();
+      })
+  })
 });
 
 describe('rest update', () => {

src/Controllers/SchemaController.js

@@ -793,6 +793,7 @@ export default class SchemaController {
 
   // Validates an operation passes class-level-permissions set in the schema
   validatePermission(className, aclGroup, operation) {
+
     if (this.testBaseCLP(className, aclGroup, operation)) {
       return Promise.resolve();
     }

src/rest.js

@@ -142,6 +142,13 @@ function enforceRoleSecurity(method, className, auth) {
       throw new Parse.Error(Parse.Error.OPERATION_FORBIDDEN, error);
     }
   }
+
+  //all volatileClasses are masterKey only
+  const volatileClasses = ['_JobStatus', '_PushStatus', '_Hooks', '_GlobalConfig'];
+  if(volatileClasses.includes(className) && !auth.isMaster){
+    const error = `Clients aren't allowed to perform the ${method} operation on the ${className} collection.`
+    throw new Parse.Error(Parse.Error.OPERATION_FORBIDDEN, error);
+  }
 }
 
 module.exports = {