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<!DOCTYPE html>
Copyright (c) 2016 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
<meta charset=utf-8 />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Firebase SDK for Cloud Storage Quickstart</title>
<!-- Material Design Theming -->
<link rel="stylesheet" href="">
<link rel="stylesheet" href="">
<script defer src=""></script>
<link rel="stylesheet" href="main.css">
<div class="demo-layout mdl-layout mdl-js-layout mdl-layout--fixed-header">
<!-- Header section containing title -->
<header class="mdl-layout__header mdl-color-text--white mdl-color--light-blue-700">
<div class="mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-grid">
<div class="mdl-layout__header-row mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--8-col-desktop">
<h3>Firebase SDK for Cloud Storage Quickstart</h3>
<main class="mdl-layout__content mdl-color--grey-100">
<div class="mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-grid">
<!-- Container for the demo -->
<div class="mdl-card mdl-shadow--2dp mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--12-col-desktop">
<div class="mdl-card__title mdl-color--light-blue-600 mdl-color-text--white">
<h2 class="mdl-card__title-text">Upload a file</h2>
<div class="mdl-card__supporting-text mdl-color-text--grey-600" id="messagesDiv">
<p>Select a file below. When it is uploaded, a link will be displayed to the uploaded file.</p>
<h6>Choose File</h6>
<input type="file" id="file" name="file"/>
<h6>File URL:</h6>
<span id="linkbox"></span>
<!-- Import and configure the Firebase SDK -->
<!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
<!-- If you do not serve/host your project using Firebase Hosting see -->
<script src="/__/firebase/6.3.0/firebase-app.js"></script>
<script src="/__/firebase/6.3.0/firebase-auth.js"></script>
<script src="/__/firebase/6.3.0/firebase-storage.js"></script>
<script src="/__/firebase/init.js"></script>
var auth = firebase.auth();
var storageRef =;
function handleFileSelect(evt) {
var file =[0];
var metadata = {
'contentType': file.type
// Push to child path.
// [START oncomplete]
storageRef.child('images/' +, metadata).then(function(snapshot) {
console.log('Uploaded', snapshot.totalBytes, 'bytes.');
console.log('File metadata:', snapshot.metadata);
// Let's get a download URL for the file.
snapshot.ref.getDownloadURL().then(function(url) {
console.log('File available at', url);
document.getElementById('linkbox').innerHTML = '<a href="' + url + '">Click For File</a>';
}).catch(function(error) {
// [START onfailure]
console.error('Upload failed:', error);
// [END onfailure]
// [END oncomplete]
window.onload = function() {
document.getElementById('file').addEventListener('change', handleFileSelect, false);
document.getElementById('file').disabled = true;
auth.onAuthStateChanged(function(user) {
if (user) {
console.log('Anonymous user signed-in.', user);
document.getElementById('file').disabled = false;
} else {
console.log('There was no anonymous session. Creating a new anonymous user.');
// Sign the user in anonymously since accessing Storage requires the user to be authorized.
auth.signInAnonymously().catch(function(error) {
if (error.code === 'auth/operation-not-allowed') {
window.alert('Anonymous Sign-in failed. Please make sure that you have enabled anonymous ' +
'sign-in on your Firebase project.');
You can’t perform that action at this time.