Fix Limitation Role #5131

CHANGELOG.md

@@ -3,6 +3,10 @@
 ### master
 [Full Changelog](https://github.com/parse-community/parse-server/compare/3.1.0...master)
 
+#### Improvements:
+* Fixes issue that would prevent users with large number of roles to resolve all of them [@Moumouls]() (#5131, #5132)
+
+
 ### 3.1.0
 [Full Changelog](https://github.com/parse-community/parse-server/compare/3.0.0...3.1.0)
 

spec/Auth.spec.js

@@ -149,4 +149,56 @@ describe('Auth', () => {
     expect(userAuth.user instanceof Parse.User).toBe(true);
     expect(userAuth.user.id).toBe(user.id);
   });
+
+  describe('getRolesForUser', () => {
+
+    const rolesNumber = 300;
+
+    it('should load all roles without config', async () => {
+      const user = new Parse.User();
+      await user.signUp({
+        username: 'hello',
+        password: 'password',
+      });
+      expect(user.getSessionToken()).not.toBeUndefined();
+      const userAuth = await getAuthForSessionToken({
+        sessionToken: user.getSessionToken(),
+      });
+      const roles = [];
+      for(let i = 0; i < rolesNumber;i++){
+        const acl = new Parse.ACL();
+        const role = new Parse.Role("roleloadtest" + i, acl);
+        role.getUsers().add([user]);
+        roles.push(role.save())
+      }
+      const savedRoles = await Promise.all(roles);
+      expect(savedRoles.length).toBe(rolesNumber);
+      const cloudRoles = await userAuth.getRolesForUser();
+      expect(cloudRoles.length).toBe(rolesNumber);
+    });
+
+    it('should load all roles with config', async () => {
+      const user = new Parse.User();
+      await user.signUp({
+        username: 'hello',
+        password: 'password',
+      });
+      expect(user.getSessionToken()).not.toBeUndefined();
+      const userAuth = await getAuthForSessionToken({
+        sessionToken: user.getSessionToken(),
+        config: Config.get('test'),
+      });
+      const roles = [];
+      for(let i = 0; i < rolesNumber;i++){
+        const acl = new Parse.ACL();
+        const role = new Parse.Role("roleloadtest" + i, acl);
+        role.getUsers().add([user]);
+        roles.push(role.save())
+      }
+      const savedRoles = await Promise.all(roles);
+      expect(savedRoles.length).toBe(rolesNumber);
+      const cloudRoles = await userAuth.getRolesForUser();
+      expect(cloudRoles.length).toBe(rolesNumber);
+    });
+  });
 });

spec/ParseLiveQueryServer.spec.js

@@ -1307,6 +1307,16 @@ describe('ParseLiveQueryServer', function() {
           liveQueryRole.id = 'abcdef1234';
           return Promise.resolve([liveQueryRole]);
         },
+        each(callback) {
+          //Return a role with the name "liveQueryRead" as that is what was set on the ACL
+          const liveQueryRole = new Parse.Role(
+            'liveQueryRead',
+            new Parse.ACL()
+          );
+          liveQueryRole.id = 'abcdef1234';
+          callback(liveQueryRole)
+          return Promise.resolve();
+        },
       };
     });
 
@@ -1316,13 +1326,6 @@ describe('ParseLiveQueryServer', function() {
         expect(isMatched).toBe(true);
         done();
       });
-
-    parseLiveQueryServer
-      ._matchesACL(acl, client, requestId)
-      .then(function(isMatched) {
-        expect(isMatched).toBe(true);
-        done();
-      });
   });
 
   describe('class level permissions', () => {

spec/RestQuery.spec.js

@@ -3,6 +3,7 @@
 const auth = require('../lib/Auth');
 const Config = require('../lib/Config');
 const rest = require('../lib/rest');
+const RestQuery = require('../lib/RestQuery');
 const request = require('../lib/request');
 
 const querystring = require('querystring');
@@ -335,3 +336,31 @@ describe('rest query', () => {
       );
   });
 });
+
+describe('RestQuery.each', () => {
+  it('should run each', async () => {
+    const objects = [];
+    while (objects.length != 10) {
+      objects.push(new Parse.Object('Object', { value: objects.length }));
+    }
+    const config = Config.get('test');
+    await Parse.Object.saveAll(objects);
+    const query = new RestQuery(
+      config,
+      auth.master(config),
+      'Object',
+      { value: { $gt: 2 } },
+      { limit: 2 }
+    );
+    const spy = spyOn(query, 'execute').and.callThrough();
+    const classSpy = spyOn(RestQuery.prototype, 'execute').and.callThrough();
+    const results = [];
+    await query.each(result => {
+      expect(result.value).toBeGreaterThan(2);
+      results.push(result);
+    });
+    expect(spy.calls.count()).toBe(0);
+    expect(classSpy.calls.count()).toBe(4);
+    expect(results.length).toBe(7);
+  });
+});

src/Auth.js

@@ -184,7 +184,9 @@ Auth.prototype.getUserRoles = function() {
   return this.rolePromise;
 };
 
-Auth.prototype.getRolesForUser = function() {
+Auth.prototype.getRolesForUser = async function() {
+  //Stack all Parse.Role
+  const results = [];
   if (this.config) {
     const restWhere = {
       users: {
@@ -193,20 +195,19 @@ Auth.prototype.getRolesForUser = function() {
         objectId: this.user.id,
       },
     };
-    const query = new RestQuery(
+    await new RestQuery(
       this.config,
       master(this.config),
       '_Role',
       restWhere,
       {}
-    );
-    return query.execute().then(({ results }) => results);
+    ).each(result => results.push(result));
+  } else {
+    await new Parse.Query(Parse.Role)
+      .equalTo('users', this.user)
+      .each(result => results.push(result.toJSON()), { useMasterKey: true });
   }
-
-  return new Parse.Query(Parse.Role)
-    .equalTo('users', this.user)
-    .find({ useMasterKey: true })
-    .then(results => results.map(obj => obj.toJSON()));
+  return results;
 };
 
 // Iterates through the role tree and compiles a user's roles
@@ -262,19 +263,11 @@ Auth.prototype.cacheRoles = function() {
   return true;
 };
 
-Auth.prototype.getRolesByIds = function(ins) {
-  const roles = ins.map(id => {
-    return {
-      __type: 'Pointer',
-      className: '_Role',
-      objectId: id,
-    };
-  });
-  const restWhere = { roles: { $in: roles } };
-
+Auth.prototype.getRolesByIds = async function(ins) {
+  const results = [];
   // Build an OR query across all parentRoles
   if (!this.config) {
-    return new Parse.Query(Parse.Role)
+    await new Parse.Query(Parse.Role)
       .containedIn(
         'roles',
         ins.map(id => {
@@ -283,13 +276,25 @@ Auth.prototype.getRolesByIds = function(ins) {
           return role;
         })
       )
-      .find({ useMasterKey: true })
-      .then(results => results.map(obj => obj.toJSON()));
+      .each(result => results.push(result.toJSON()), { useMasterKey: true });
+  } else {
+    const roles = ins.map(id => {
+      return {
+        __type: 'Pointer',
+        className: '_Role',
+        objectId: id,
+      };
+    });
+    const restWhere = { roles: { $in: roles } };
+    await new RestQuery(
+      this.config,
+      master(this.config),
+      '_Role',
+      restWhere,
+      {}
+    ).each(result => results.push(result));
   }
-
-  return new RestQuery(this.config, master(this.config), '_Role', restWhere, {})
-    .execute()
-    .then(({ results }) => results);
+  return results;
 };
 
 // Given a list of roleIds, find all the parent roles, returns a promise with all names

src/RestQuery.js

@@ -4,7 +4,7 @@
 var SchemaController = require('./Controllers/SchemaController');
 var Parse = require('parse/node').Parse;
 const triggers = require('./triggers');
-
+const { continueWhile } = require('parse/lib/node/promiseUtils');
 const AlwaysSelectedKeys = ['objectId', 'createdAt', 'updatedAt', 'ACL'];
 // restOptions can include:
 //   skip
@@ -199,6 +199,36 @@ RestQuery.prototype.execute = function(executeOptions) {
     });
 };
 
+RestQuery.prototype.each = function(callback) {
+  const { config, auth, className, restWhere, restOptions, clientSDK } = this;
+  // if the limit is set, use it
+  restOptions.limit = restOptions.limit || 100;
+  restOptions.order = 'objectId';
+  let finished = false;
+
+  return continueWhile(
+    () => {
+      return !finished;
+    },
+    async () => {
+      const query = new RestQuery(
+        config,
+        auth,
+        className,
+        restWhere,
+        restOptions,
+        clientSDK
+      );
+      const { results } = await query.execute();
+      results.forEach(callback);
+      finished = results.length < restOptions.limit;
+      if (!finished) {
+        restWhere.objectId = { $gt: results[results.length - 1].objectId };
+      }
+    }
+  );
+};
+
 RestQuery.prototype.buildRestWhere = function() {
   return Promise.resolve()
     .then(() => {