feat: add request headers to trigger functions (#4012)

* add request headers to trigger functions

* reverse changes

* add headers in request config and trigger request

spec/CloudCode.spec.js

@@ -1200,6 +1200,61 @@ describe('Cloud Code', () => {
   });
 });
 
+describe('beforeSave hooks', () => {
+  it('should have request headers', (done) => {
+    Parse.Cloud.beforeSave('MyObject', (req, res) => {
+      expect(req.headers).toBeDefined();
+      res.success();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save().then(() => done());
+  });
+});
+
+describe('afterSave hooks', () => {
+  it('should have request headers', (done) => {
+    Parse.Cloud.afterSave('MyObject', (req) => {
+      expect(req.headers).toBeDefined();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save()
+      .then(() => done());
+  });
+});
+
+describe('beforeDelete hooks', () => {
+  it('should have request headers', (done) => {
+    Parse.Cloud.beforeDelete('MyObject', (req, res) => {
+      expect(req.headers).toBeDefined();
+      res.success();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save()
+      .then(myObj => myObj.destroy())
+      .then(() => done());
+  });
+});
+
+describe('afterDelete hooks', () => {
+  it('should have request headers', (done) => {
+    Parse.Cloud.afterDelete('MyObject', (req) => {
+      expect(req.headers).toBeDefined();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save()
+      .then(myObj => myObj.destroy())
+      .then(() => done());
+  });
+});
+
 describe('beforeFind hooks', () => {
   it('should add beforeFind trigger', (done) => {
     Parse.Cloud.beforeFind('MyObject', (req) => {
@@ -1334,6 +1389,26 @@ describe('beforeFind hooks', () => {
       });
     });
   });
+
+  it('should have request headers', (done) => {
+    Parse.Cloud.beforeFind('MyObject', (req) => {
+      expect(req.headers).toBeDefined();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save()
+      .then((myObj) => {
+        const query = new Parse.Query('MyObject');
+        query.equalTo('objectId', myObj.id);
+        return Promise.all([
+          query.get(myObj.id),
+          query.first(),
+          query.find(),
+        ]);
+      })
+      .then(() => done());
+  });
 });
 
 describe('afterFind hooks', () => {
@@ -1531,4 +1606,25 @@ describe('afterFind hooks', () => {
       done();
     });
   });
+
+  it('should have request headers', (done) => {
+    Parse.Cloud.afterFind('MyObject', (req, res) => {
+      expect(req.headers).toBeDefined();
+      res.success();
+    });
+
+    const MyObject = Parse.Object.extend('MyObject');
+    const myObject = new MyObject();
+    myObject.save()
+      .then((myObj) => {
+        const query = new Parse.Query('MyObject');
+        query.equalTo('objectId', myObj.id);
+        return Promise.all([
+          query.get(myObj.id),
+          query.first(),
+          query.find(),
+        ]);
+      })
+      .then(() => done());
+  });
 });

src/middlewares.js

@@ -108,6 +108,7 @@ export function handleParseHeaders(req, res, next) {
 
   info.app = AppCache.get(info.appId);
   req.config = new Config(info.appId, mount);
+  req.config.headers = req.headers || {};
   req.info = info;
 
   var isMaster = (info.masterKey === req.config.masterKey);

src/triggers.js

@@ -133,7 +133,8 @@ export function getRequestObject(triggerType, auth, parseObject, originalParseOb
     triggerName: triggerType,
     object: parseObject,
     master: false,
-    log: config.loggerController
+    log: config.loggerController,
+    headers: config.headers,
   };
 
   if (originalParseObject) {
@@ -164,7 +165,8 @@ export function getRequestQueryObject(triggerType, auth, query, count, config, i
     master: false,
     count,
     log: config.loggerController,
-    isGet
+    isGet,
+    headers: config.headers,
   };
 
   if (!auth) {