Prevent invalid column names (className and length) (#7053)

* Prevent invalid column names

* remove className as invalid

* remove className from beforeSave hook response

* improve tests
This commit is contained in:
Diamond Lewis
2020-12-09 12:19:15 -06:00
committed by GitHub
parent b398894341
commit ca1b78220f
6 changed files with 49 additions and 42 deletions

View File

@@ -216,6 +216,21 @@ describe('Cloud Code', () => {
);
});
it('test beforeSave with invalid field', async () => {
Parse.Cloud.beforeSave('BeforeSaveChanged', function (req) {
req.object.set('length', 0);
});
const obj = new Parse.Object('BeforeSaveChanged');
obj.set('foo', 'bar');
try {
await obj.save();
fail('should not succeed');
} catch (e) {
expect(e.message).toBe('Invalid field name: length.');
}
});
it("test beforeSave changed object fail doesn't change object", async function () {
Parse.Cloud.beforeSave('BeforeSaveChanged', function (req) {
if (req.object.has('fail')) {

View File

@@ -701,29 +701,24 @@ describe('Parse.Object testing', () => {
});
});
it('length attribute', function (done) {
it('acl attribute', function (done) {
Parse.User.signUp('bob', 'password').then(function (user) {
const TestObject = Parse.Object.extend('TestObject');
const obj = new TestObject({
length: 5,
ACL: new Parse.ACL(user), // ACLs cause things like validation to run
});
equal(obj.get('length'), 5);
ok(obj.get('ACL') instanceof Parse.ACL);
obj.save().then(function (obj) {
equal(obj.get('length'), 5);
ok(obj.get('ACL') instanceof Parse.ACL);
const query = new Parse.Query(TestObject);
query.get(obj.id).then(function (obj) {
equal(obj.get('length'), 5);
ok(obj.get('ACL') instanceof Parse.ACL);
const query = new Parse.Query(TestObject);
query.find().then(function (results) {
obj = results[0];
equal(obj.get('length'), 5);
ok(obj.get('ACL') instanceof Parse.ACL);
done();
@@ -733,6 +728,21 @@ describe('Parse.Object testing', () => {
});
});
it('cannot save object with invalid field', async () => {
const invalidFields = ['className', 'length'];
const promises = invalidFields.map(async field => {
const obj = new TestObject();
obj.set(field, 'bar');
try {
await obj.save();
fail('should not succeed');
} catch (e) {
expect(e.message).toBe(`Invalid field name: ${field}.`);
}
});
await Promise.all(promises);
});
it('old attribute unset then unset', function (done) {
const TestObject = Parse.Object.extend('TestObject');
const obj = new TestObject();

View File

@@ -2860,33 +2860,6 @@ describe('Parse.Query testing', () => {
});
});
it('object with length', function (done) {
const TestObject = Parse.Object.extend('TestObject');
const obj = new TestObject();
obj.set('length', 5);
equal(obj.get('length'), 5);
obj.save().then(
function () {
const query = new Parse.Query(TestObject);
query.find().then(
function (results) {
equal(results.length, 1);
equal(results[0].get('length'), 5);
done();
},
function (error) {
ok(false, error.message);
done();
}
);
},
function (error) {
ok(false, error.message);
done();
}
);
});
it('include user', function (done) {
Parse.User.signUp('bob', 'password', { age: 21 }).then(function (user) {
const TestObject = Parse.Object.extend('TestObject');

View File

@@ -564,7 +564,7 @@ class DatabaseController {
}
const rootFieldName = getRootFieldName(fieldName);
if (
!SchemaController.fieldNameIsValid(rootFieldName) &&
!SchemaController.fieldNameIsValid(rootFieldName, className) &&
!isSpecialUpdateKey(rootFieldName)
) {
throw new Parse.Error(
@@ -1213,7 +1213,7 @@ class DatabaseController {
throw new Parse.Error(Parse.Error.INVALID_KEY_NAME, `Cannot sort by ${fieldName}`);
}
const rootFieldName = getRootFieldName(fieldName);
if (!SchemaController.fieldNameIsValid(rootFieldName)) {
if (!SchemaController.fieldNameIsValid(rootFieldName, className)) {
throw new Parse.Error(
Parse.Error.INVALID_KEY_NAME,
`Invalid field name: ${fieldName}.`

View File

@@ -242,6 +242,7 @@ function wrapToHTTPRequest(hook, key) {
if (typeof result === 'object') {
delete result.createdAt;
delete result.updatedAt;
delete result.className;
}
return { object: result };
} else {

View File

@@ -155,6 +155,8 @@ const requiredColumns = Object.freeze({
_Role: ['name', 'ACL'],
});
const invalidColumns = ['length'];
const systemClasses = Object.freeze([
'_User',
'_Installation',
@@ -422,18 +424,24 @@ function classNameIsValid(className: string): boolean {
// Be a join table OR
joinClassRegex.test(className) ||
// Include only alpha-numeric and underscores, and not start with an underscore or number
fieldNameIsValid(className)
fieldNameIsValid(className, className)
);
}
// Valid fields must be alpha-numeric, and not start with an underscore or number
function fieldNameIsValid(fieldName: string): boolean {
return classAndFieldRegex.test(fieldName);
// must not be a reserved key
function fieldNameIsValid(fieldName: string, className: string): boolean {
if (className && className !== '_Hooks') {
if (fieldName === 'className') {
return false;
}
}
return classAndFieldRegex.test(fieldName) && !invalidColumns.includes(fieldName);
}
// Checks that it's not trying to clobber one of the default fields of the class.
function fieldNameIsValidForClass(fieldName: string, className: string): boolean {
if (!fieldNameIsValid(fieldName)) {
if (!fieldNameIsValid(fieldName, className)) {
return false;
}
if (defaultColumns._Default[fieldName]) {
@@ -976,7 +984,7 @@ export default class SchemaController {
) {
for (const fieldName in fields) {
if (existingFieldNames.indexOf(fieldName) < 0) {
if (!fieldNameIsValid(fieldName)) {
if (!fieldNameIsValid(fieldName, className)) {
return {
code: Parse.Error.INVALID_KEY_NAME,
error: 'invalid field name: ' + fieldName,
@@ -1060,7 +1068,7 @@ export default class SchemaController {
fieldName = fieldName.split('.')[0];
type = 'Object';
}
if (!fieldNameIsValid(fieldName)) {
if (!fieldNameIsValid(fieldName, className)) {
throw new Parse.Error(Parse.Error.INVALID_KEY_NAME, `Invalid field name: ${fieldName}.`);
}
@@ -1154,7 +1162,7 @@ export default class SchemaController {
}
fieldNames.forEach(fieldName => {
if (!fieldNameIsValid(fieldName)) {
if (!fieldNameIsValid(fieldName, className)) {
throw new Parse.Error(Parse.Error.INVALID_KEY_NAME, `invalid field name: ${fieldName}`);
}
//Don't allow deleting the default fields.