fix: File upload fails when uploading base64 data

integration/test/ParseFileTest.js

@@ -64,7 +64,7 @@ describe('Parse.File', () => {
     assert.equal(data, 'ParseA==');
   });
 
-  it('can get file data from base64', async () => {
+  it('can get file data from base64 (saved)', async () => {
     const file = new Parse.File('parse-server-logo', { base64: 'ParseA==' });
     await file.save();
     let data = await file.getData();
@@ -76,6 +76,12 @@ describe('Parse.File', () => {
     assert.equal(data, 'ParseA==');
   });
 
+  it('can get file data from base64 (unsaved)', async () => {
+    const file = new Parse.File('parse-server-logo', { base64: 'ParseA==' });
+    const data = await file.getData();
+    assert.equal(data, 'ParseA==');
+  });
+
   it('can get file data from full base64', async () => {
     const file = new Parse.File('parse-server-logo', {
       base64: 'data:image/jpeg;base64,ParseA==',

src/ParseFile.js

@@ -137,7 +137,10 @@ class ParseFile {
       } else if (data && typeof data.base64 === 'string') {
         const base64 = data.base64.split(',').slice(-1)[0];
         const dataType =
-          specifiedType || data.base64.split(';').slice(0, 1)[0].split(':').slice(1, 2)[0] || 'text/plain';
+          specifiedType ||
+          data.base64.split(';').slice(0, 1)[0].split(':').slice(1, 2)[0] ||
+          'text/plain';
+        this._data = base64;
         this._source = {
           format: 'base64',
           base64,

src/__tests__/ParseFile-test.js

@@ -64,18 +64,21 @@ describe('ParseFile', () => {
     const file = new ParseFile('parse.txt', { base64: 'YWJj' });
     expect(file._source.base64).toBe('YWJj');
     expect(file._source.type).toBe('text/plain');
+    expect(file._data).toBe('YWJj');
   });
 
   it('can create files with base64 encoding (1 padding)', () => {
     const file = new ParseFile('parse.txt', { base64: 'YWI=' });
     expect(file._source.base64).toBe('YWI=');
     expect(file._source.type).toBe('text/plain');
+    expect(file._data).toBe('YWI=');
   });
 
   it('can create files with base64 encoding (2 padding)', () => {
     const file = new ParseFile('parse.txt', { base64: 'ParseA==' });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('text/plain');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can set the default type to be text/plain when using base64', () => {
@@ -84,6 +87,7 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('text/plain');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can extract data type from base64', () => {
@@ -92,6 +96,7 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('image/png');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can extract data type from base64 with a filename parameter', () => {
@@ -100,6 +105,7 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('application/pdf');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can create files with file uri', () => {
@@ -116,6 +122,7 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('audio/m4a');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can extract data type from base64 with a complex mime type', () => {
@@ -124,6 +131,7 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('application/vnd.google-earth.kml+xml');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can extract data type from base64 with a charset param', () => {
@@ -132,18 +140,21 @@ describe('ParseFile', () => {
     });
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('application/vnd.3gpp.pic-bw-var');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can create files with byte arrays', () => {
     const file = new ParseFile('parse.txt', [61, 170, 236, 120]);
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('');
+    expect(file._data).toBe('ParseA==');
   });
 
   it('can create files with all types of characters', () => {
     const file = new ParseFile('parse.txt', [11, 239, 191, 215, 80, 52]);
     expect(file._source.base64).toBe('C++/11A0');
     expect(file._source.type).toBe('');
+    expect(file._data).toBe('C++/11A0');
   });
 
   it('can create an empty file', () => {
@@ -341,6 +352,7 @@ describe('ParseFile', () => {
     const file = new ParseFile('parse.txt', [61, 170, 236, 120], '', metadata, tags);
     expect(file._source.base64).toBe('ParseA==');
     expect(file._source.type).toBe('');
+    expect(file._data).toBe('ParseA==');
     expect(file.metadata()).toBe(metadata);
     expect(file.tags()).toBe(tags);
   });