├── README.md
├── client
    ├── .gitignore
    ├── README.md
    ├── package-lock.json
    ├── package.json
    ├── public
    │   ├── favicon.ico
    │   ├── index.html
    │   └── manifest.json
    └── src
    │   ├── App.css
    │   ├── App.js
    │   ├── App.test.js
    │   ├── assets
    │       └── default-img.jpg
    │   ├── firebase-config.js
    │   ├── index.css
    │   ├── index.js
    │   ├── logo.svg
    │   └── serviceWorker.js
└── server
    ├── app.js
    ├── bin
        └── www
    ├── config.js
    ├── models
        └── image.js
    ├── package-lock.json
    ├── package.json
    ├── public
        └── stylesheets
        │   └── style.css
    ├── routes
        └── image.js
    └── views
        ├── error.jade
        ├── index.jade
        └── layout.jade


/README.md:
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1 | # image-upload-app
2 | A simple image upload application using React and Node, which explores multiple ways to upload an image including using multer as a middleware, a CDN system and converting an image to a string and storing it.
3 | 


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/client/.gitignore:
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 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 2 | 
 3 | # dependencies
 4 | /node_modules
 5 | /.pnp
 6 | .pnp.js
 7 | 
 8 | # testing
 9 | /coverage
10 | 
11 | # production
12 | /build
13 | 
14 | # misc
15 | .DS_Store
16 | .env.local
17 | .env.development.local
18 | .env.test.local
19 | .env.production.local
20 | 
21 | npm-debug.log*
22 | yarn-debug.log*
23 | yarn-error.log*
24 | 


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/client/README.md:
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 1 | This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
 2 | 
 3 | ## Available Scripts
 4 | 
 5 | In the project directory, you can run:
 6 | 
 7 | ### `npm start`
 8 | 
 9 | Runs the app in the development mode.<br>
10 | Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
11 | 
12 | The page will reload if you make edits.<br>
13 | You will also see any lint errors in the console.
14 | 
15 | ### `npm test`
16 | 
17 | Launches the test runner in the interactive watch mode.<br>
18 | See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
19 | 
20 | ### `npm run build`
21 | 
22 | Builds the app for production to the `build` folder.<br>
23 | It correctly bundles React in production mode and optimizes the build for the best performance.
24 | 
25 | The build is minified and the filenames include the hashes.<br>
26 | Your app is ready to be deployed!
27 | 
28 | See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
29 | 
30 | ### `npm run eject`
31 | 
32 | **Note: this is a one-way operation. Once you `eject`, you can’t go back!**
33 | 
34 | If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
35 | 
36 | Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
37 | 
38 | You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
39 | 
40 | ## Learn More
41 | 
42 | You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
43 | 
44 | To learn React, check out the [React documentation](https://reactjs.org/).
45 | 
46 | ### Code Splitting
47 | 
48 | This section has moved here: https://facebook.github.io/create-react-app/docs/code-splitting
49 | 
50 | ### Analyzing the Bundle Size
51 | 
52 | This section has moved here: https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size
53 | 
54 | ### Making a Progressive Web App
55 | 
56 | This section has moved here: https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app
57 | 
58 | ### Advanced Configuration
59 | 
60 | This section has moved here: https://facebook.github.io/create-react-app/docs/advanced-configuration
61 | 
62 | ### Deployment
63 | 
64 | This section has moved here: https://facebook.github.io/create-react-app/docs/deployment
65 | 
66 | ### `npm run build` fails to minify
67 | 
68 | This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify
69 | 


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/client/package.json:
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 1 | {
 2 |   "name": "image-upload-poc",
 3 |   "version": "0.1.0",
 4 |   "private": true,
 5 |   "dependencies": {
 6 |     "axios": "^0.18.0",
 7 |     "react": "^16.7.0",
 8 |     "firebase": "^5.6.0",
 9 |     "react-dom": "^16.7.0",
10 |     "react-file-base64": "^1.0.3",
11 |     "react-scripts": "2.1.3"
12 |   },
13 |   "scripts": {
14 |     "start": "react-scripts start",
15 |     "build": "react-scripts build",
16 |     "test": "react-scripts test",
17 |     "eject": "react-scripts eject"
18 |   },
19 |   "eslintConfig": {
20 |     "extends": "react-app"
21 |   },
22 |   "browserslist": [
23 |     ">0.2%",
24 |     "not dead",
25 |     "not ie <= 11",
26 |     "not op_mini all"
27 |   ]
28 | }
29 | 


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/client/public/favicon.ico:
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https://raw.githubusercontent.com/tejazz/image-upload-app/fd20d1100a88f5b70fcf25a29a2d49d47778e385/client/public/favicon.ico


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/client/public/index.html:
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 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
 6 |     <meta
 7 |       name="viewport"
 8 |       content="width=device-width, initial-scale=1, shrink-to-fit=no"
 9 |     />
10 |     <meta name="theme-color" content="#000000" />
11 |     <!--
12 |       manifest.json provides metadata used when your web app is added to the
13 |       homescreen on Android. See https://developers.google.com/web/fundamentals/web-app-manifest/
14 |     -->
15 |     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
16 |     <!--
17 |       Notice the use of %PUBLIC_URL% in the tags above.
18 |       It will be replaced with the URL of the `public` folder during the build.
19 |       Only files inside the `public` folder can be referenced from the HTML.
20 | 
21 |       Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
22 |       work correctly both with client-side routing and a non-root public URL.
23 |       Learn how to configure a non-root public URL by running `npm run build`.
24 |     -->
25 |     <title>Image Upload App</title>
26 |   </head>
27 |   <body>
28 |     <noscript>You need to enable JavaScript to run this app.</noscript>
29 |     <div id="root"></div>
30 |     <!--
31 |       This HTML file is a template.
32 |       If you open it directly in the browser, you will see an empty page.
33 | 
34 |       You can add webfonts, meta tags, or analytics to this file.
35 |       The build step will place the bundled scripts into the <body> tag.
36 | 
37 |       To begin the development, run `npm start` or `yarn start`.
38 |       To create a production bundle, use `npm run build` or `yarn build`.
39 |     -->
40 |   </body>
41 | </html>
42 | 


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/client/public/manifest.json:
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 1 | {
 2 |   "short_name": "React App",
 3 |   "name": "Create React App Sample",
 4 |   "icons": [
 5 |     {
 6 |       "src": "favicon.ico",
 7 |       "sizes": "64x64 32x32 24x24 16x16",
 8 |       "type": "image/x-icon"
 9 |     }
10 |   ],
11 |   "start_url": ".",
12 |   "display": "standalone",
13 |   "theme_color": "#000000",
14 |   "background_color": "#ffffff"
15 | }
16 | 


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/client/src/App.css:
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 1 | .App {
 2 |   text-align: center;
 3 | }
 4 | 
 5 | .App-logo {
 6 |   animation: App-logo-spin infinite 20s linear;
 7 |   height: 40vmin;
 8 | }
 9 | 
10 | .App-header {
11 |   background-color: #282c34;
12 |   min-height: 100vh;
13 |   display: flex;
14 |   flex-direction: column;
15 |   align-items: center;
16 |   justify-content: center;
17 |   font-size: calc(10px + 2vmin);
18 |   color: white;
19 | }
20 | 
21 | .App-link {
22 |   color: #61dafb;
23 | }
24 | 
25 | @keyframes App-logo-spin {
26 |   from {
27 |     transform: rotate(0deg);
28 |   }
29 |   to {
30 |     transform: rotate(360deg);
31 |   }
32 | }
33 | 
34 | /* main application styling */
35 | 
36 | .main-container {
37 |   padding: 3rem;
38 |   background-color: lightblue;
39 | }
40 | 
41 | .main-heading {
42 |   text-transform: uppercase;
43 |   text-align: center;
44 |   color: white;
45 | }
46 | 
47 | .image-container {
48 |   border-radius: 1rem;
49 |   padding: 1.5rem;
50 | }
51 | 
52 | .process {
53 |   background-color: whitesmoke;
54 |   border-radius: 1rem;
55 |   padding: 1.5rem;
56 |   margin-bottom: 2rem;
57 | }
58 | 
59 | .process__heading {
60 |   text-transform: uppercase;
61 |   text-align: center;
62 |   color: black;
63 | }
64 | 
65 | .process__details {
66 |   text-align: center;
67 | }
68 | 
69 | .process__upload-btn {
70 |   display: block;
71 |   margin: 2.5rem auto;
72 |   text-align: center;
73 | }
74 | 
75 | .process__image {
76 |   display: block;
77 |   margin: 0 auto;
78 |   width: 250px;
79 |   height: 250px;
80 | }
81 | 
82 | .main-credit {
83 |   text-align: center;
84 |   color: white;
85 |   font-weight: bold;
86 | }


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/client/src/App.js:
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  1 | import React, { Component } from 'react';
  2 | import axios from 'axios';
  3 | import './App.css';
  4 | import FileBase from 'react-file-base64';
  5 | import { storage } from './firebase-config';
  6 | import DefaultImg from './assets/default-img.jpg';
  7 | 
  8 | // base api url being used
  9 | const API_URL = "http://localhost:9890";
 10 | 
 11 | class App extends Component {
 12 |   constructor(props) {
 13 |     super(props);
 14 | 
 15 |     this.state = {
 16 |       multerImage: DefaultImg,
 17 |       firebaseImage: DefaultImg,
 18 |       baseImage: DefaultImg
 19 |     }
 20 |   }
 21 | 
 22 |   setDefaultImage(uploadType) {
 23 |     if (uploadType === "multer") {
 24 |       this.setState({
 25 |         multerImage: DefaultImg
 26 |       });
 27 |     } else if (uploadType === "firebase") {
 28 |       this.setState({
 29 |         firebaseImage: DefaultImg
 30 |       });
 31 |     } else {
 32 |       this.setState({
 33 |         baseImage: DefaultImg
 34 |       });
 35 |     }
 36 |   }
 37 | 
 38 |   // function to upload image once it has been captured
 39 |   // includes multer and firebase methods
 40 |   uploadImage(e, method) {
 41 |     let imageObj = {};
 42 | 
 43 |     if (method === "multer") {
 44 | 
 45 |       let imageFormObj = new FormData();
 46 | 
 47 |       imageFormObj.append("imageName", "multer-image-" + Date.now());
 48 |       imageFormObj.append("imageData", e.target.files[0]);
 49 | 
 50 |       // stores a readable instance of 
 51 |       // the image being uploaded using multer
 52 |       this.setState({
 53 |         multerImage: URL.createObjectURL(e.target.files[0])
 54 |       });
 55 | 
 56 |       axios.post(`${API_URL}/image/uploadmulter`, imageFormObj)
 57 |         .then((data) => {
 58 |           if (data.data.success) {
 59 |             alert("Image has been successfully uploaded using multer");
 60 |             this.setDefaultImage("multer");
 61 |           }
 62 |         })
 63 |         .catch((err) => {
 64 |           alert("Error while uploading image using multer");
 65 |           this.setDefaultImage("multer");
 66 |         });
 67 |     } else if (method === "firebase") {
 68 |       let currentImageName = "firebase-image-" + Date.now();
 69 | 
 70 |       let uploadImage = storage.ref(`images/${currentImageName}`).put(e.target.files[0]);
 71 | 
 72 |       uploadImage.on('state_changed',
 73 |         (snapshot) => { },
 74 |         (error) => {
 75 |           alert(error);
 76 |         },
 77 |         () => {
 78 |           storage.ref('images').child(currentImageName).getDownloadURL().then(url => {
 79 | 
 80 |             this.setState({
 81 |               firebaseImage: url
 82 |             });
 83 | 
 84 |             // store image object in the database
 85 |             imageObj = {
 86 |               imageName: currentImageName,
 87 |               imageData: url
 88 |             };
 89 | 
 90 |             axios.post(`${API_URL}/image/uploadbase`, imageObj)
 91 |               .then((data) => {
 92 |                 if (data.data.success) {
 93 |                   alert("Image has been successfully uploaded using firebase storage");
 94 |                   this.setDefaultImage("firebase");
 95 |                 }
 96 |               })
 97 |               .catch((err) => {
 98 |                 alert("Error while uploading image using firebase storage")
 99 |                 this.setDefaultImage("firebase");
100 |               });
101 |           })
102 |         })
103 |     }
104 |   }
105 | 
106 |   // function to capture base64 format of an image
107 |   getBaseFile(files) {
108 |     // create a local readable base64 instance of an image
109 |     this.setState({
110 |       baseImage: files.base64
111 |     });
112 | 
113 |     let imageObj = {
114 |       imageName: "base-image-" + Date.now(),
115 |       imageData: files.base64.toString()
116 |     };
117 | 
118 |     axios.post(`${API_URL}/image/uploadbase`, imageObj)
119 |       .then((data) => {
120 |         if (data.data.success) {
121 |           alert("Image has been successfully uploaded using base64 format");
122 |           this.setDefaultImage("base");
123 |         }
124 |       })
125 |       .catch((err) => {
126 |         alert("Error while uploading image using base64 format")
127 |         this.setDefaultImage("base");
128 |       });
129 |   }
130 | 
131 |   render() {
132 |     return (
133 |       <div className="main-container">
134 |         <h3 className="main-heading">Image Upload App</h3>
135 | 
136 |         <div className="image-container">
137 |           <div className="process">
138 |             <h4 className="process__heading">Process: Using Multer</h4>
139 |             <p className="process__details">Upload image to a node server, connected to a MongoDB database, with the help of multer</p>
140 | 
141 |             <input type="file" className="process__upload-btn" onChange={(e) => this.uploadImage(e, "multer")} />
142 |             <img src={this.state.multerImage} alt="upload-image" className="process__image" />
143 |           </div>
144 | 
145 |           <div className="process">
146 |             <h4 className="process__heading">Process: Using Firebase Storage</h4>
147 |             <p className="process__details">Upload image to Firebase storage and retrieve a reference to the image</p>
148 | 
149 |             <input type="file" className="process__upload-btn" onChange={(e) => this.uploadImage(e, "firebase")} />
150 |             <img src={this.state.firebaseImage} alt="upload-image" className="process__image" />
151 |           </div>
152 | 
153 |           <div className="process">
154 |             <h4 className="process__heading">Process: Using Base64</h4>
155 |             <p className="process__details">Upload image as Base64 directly to MongoDB database</p>
156 | 
157 |             <div className="process__upload-btn">
158 |               <FileBase type="file" multiple={false} onDone={this.getBaseFile.bind(this)} />
159 |             </div>
160 |             <img src={this.state.baseImage} alt="upload-image" className="process__image" />
161 |           </div>
162 |         </div>
163 | 
164 |         <p className="main-credit">Created by <a href="#">Tarique Ejaz</a></p>
165 |       </div>
166 |     );
167 |   }
168 | }
169 | 
170 | export default App;


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/client/src/App.test.js:
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 1 | import React from 'react';
 2 | import ReactDOM from 'react-dom';
 3 | import App from './App';
 4 | 
 5 | it('renders without crashing', () => {
 6 |   const div = document.createElement('div');
 7 |   ReactDOM.render(<App />, div);
 8 |   ReactDOM.unmountComponentAtNode(div);
 9 | });
10 | 


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/client/src/assets/default-img.jpg:
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https://raw.githubusercontent.com/tejazz/image-upload-app/fd20d1100a88f5b70fcf25a29a2d49d47778e385/client/src/assets/default-img.jpg


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/client/src/firebase-config.js:
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 1 | import firebase from 'firebase/app';
 2 | import 'firebase/storage';
 3 | 
 4 | var config = {
 5 |     apiKey: "<enter your firebase app api key>",
 6 |     authDomain: "<enter your firebase auth domain>",
 7 |     databaseURL: "<enter your firebase database url>",
 8 |     projectId: "<enter your firebase project id>",
 9 |     storageBucket: "<enter your firebase storage bucket>",
10 |     messagingSenderId: "<enter your firebase messaging sender id>"
11 | };
12 | 
13 | firebase.initializeApp(config);
14 | 
15 | var storage = firebase.storage();
16 | 
17 | export {
18 |     storage, firebase as default
19 | };


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/client/src/index.css:
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 1 | body {
 2 |   margin: 0;
 3 |   padding: 0;
 4 |   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
 5 |     "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
 6 |     sans-serif;
 7 |   -webkit-font-smoothing: antialiased;
 8 |   -moz-osx-font-smoothing: grayscale;
 9 | }
10 | 
11 | code {
12 |   font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
13 |     monospace;
14 | }
15 | 


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/client/src/index.js:
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 1 | import React from 'react';
 2 | import ReactDOM from 'react-dom';
 3 | import './index.css';
 4 | import App from './App';
 5 | import * as serviceWorker from './serviceWorker';
 6 | 
 7 | ReactDOM.render(<App />, document.getElementById('root'));
 8 | 
 9 | // If you want your app to work offline and load faster, you can change
10 | // unregister() to register() below. Note this comes with some pitfalls.
11 | // Learn more about service workers: http://bit.ly/CRA-PWA
12 | serviceWorker.unregister();
13 | 


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/client/src/logo.svg:
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1 | <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
2 |     <g fill="#61DAFB">
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7 | </svg>
8 | 


--------------------------------------------------------------------------------
/client/src/serviceWorker.js:
--------------------------------------------------------------------------------
  1 | // This optional code is used to register a service worker.
  2 | // register() is not called by default.
  3 | 
  4 | // This lets the app load faster on subsequent visits in production, and gives
  5 | // it offline capabilities. However, it also means that developers (and users)
  6 | // will only see deployed updates on subsequent visits to a page, after all the
  7 | // existing tabs open on the page have been closed, since previously cached
  8 | // resources are updated in the background.
  9 | 
 10 | // To learn more about the benefits of this model and instructions on how to
 11 | // opt-in, read http://bit.ly/CRA-PWA
 12 | 
 13 | const isLocalhost = Boolean(
 14 |   window.location.hostname === 'localhost' ||
 15 |     // [::1] is the IPv6 localhost address.
 16 |     window.location.hostname === '[::1]' ||
 17 |     // 127.0.0.1/8 is considered localhost for IPv4.
 18 |     window.location.hostname.match(
 19 |       /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
 20 |     )
 21 | );
 22 | 
 23 | export function register(config) {
 24 |   if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
 25 |     // The URL constructor is available in all browsers that support SW.
 26 |     const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
 27 |     if (publicUrl.origin !== window.location.origin) {
 28 |       // Our service worker won't work if PUBLIC_URL is on a different origin
 29 |       // from what our page is served on. This might happen if a CDN is used to
 30 |       // serve assets; see https://github.com/facebook/create-react-app/issues/2374
 31 |       return;
 32 |     }
 33 | 
 34 |     window.addEventListener('load', () => {
 35 |       const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
 36 | 
 37 |       if (isLocalhost) {
 38 |         // This is running on localhost. Let's check if a service worker still exists or not.
 39 |         checkValidServiceWorker(swUrl, config);
 40 | 
 41 |         // Add some additional logging to localhost, pointing developers to the
 42 |         // service worker/PWA documentation.
 43 |         navigator.serviceWorker.ready.then(() => {
 44 |           console.log(
 45 |             'This web app is being served cache-first by a service ' +
 46 |               'worker. To learn more, visit http://bit.ly/CRA-PWA'
 47 |           );
 48 |         });
 49 |       } else {
 50 |         // Is not localhost. Just register service worker
 51 |         registerValidSW(swUrl, config);
 52 |       }
 53 |     });
 54 |   }
 55 | }
 56 | 
 57 | function registerValidSW(swUrl, config) {
 58 |   navigator.serviceWorker
 59 |     .register(swUrl)
 60 |     .then(registration => {
 61 |       registration.onupdatefound = () => {
 62 |         const installingWorker = registration.installing;
 63 |         if (installingWorker == null) {
 64 |           return;
 65 |         }
 66 |         installingWorker.onstatechange = () => {
 67 |           if (installingWorker.state === 'installed') {
 68 |             if (navigator.serviceWorker.controller) {
 69 |               // At this point, the updated precached content has been fetched,
 70 |               // but the previous service worker will still serve the older
 71 |               // content until all client tabs are closed.
 72 |               console.log(
 73 |                 'New content is available and will be used when all ' +
 74 |                   'tabs for this page are closed. See http://bit.ly/CRA-PWA.'
 75 |               );
 76 | 
 77 |               // Execute callback
 78 |               if (config && config.onUpdate) {
 79 |                 config.onUpdate(registration);
 80 |               }
 81 |             } else {
 82 |               // At this point, everything has been precached.
 83 |               // It's the perfect time to display a
 84 |               // "Content is cached for offline use." message.
 85 |               console.log('Content is cached for offline use.');
 86 | 
 87 |               // Execute callback
 88 |               if (config && config.onSuccess) {
 89 |                 config.onSuccess(registration);
 90 |               }
 91 |             }
 92 |           }
 93 |         };
 94 |       };
 95 |     })
 96 |     .catch(error => {
 97 |       console.error('Error during service worker registration:', error);
 98 |     });
 99 | }
100 | 
101 | function checkValidServiceWorker(swUrl, config) {
102 |   // Check if the service worker can be found. If it can't reload the page.
103 |   fetch(swUrl)
104 |     .then(response => {
105 |       // Ensure service worker exists, and that we really are getting a JS file.
106 |       const contentType = response.headers.get('content-type');
107 |       if (
108 |         response.status === 404 ||
109 |         (contentType != null && contentType.indexOf('javascript') === -1)
110 |       ) {
111 |         // No service worker found. Probably a different app. Reload the page.
112 |         navigator.serviceWorker.ready.then(registration => {
113 |           registration.unregister().then(() => {
114 |             window.location.reload();
115 |           });
116 |         });
117 |       } else {
118 |         // Service worker found. Proceed as normal.
119 |         registerValidSW(swUrl, config);
120 |       }
121 |     })
122 |     .catch(() => {
123 |       console.log(
124 |         'No internet connection found. App is running in offline mode.'
125 |       );
126 |     });
127 | }
128 | 
129 | export function unregister() {
130 |   if ('serviceWorker' in navigator) {
131 |     navigator.serviceWorker.ready.then(registration => {
132 |       registration.unregister();
133 |     });
134 |   }
135 | }
136 | 


--------------------------------------------------------------------------------
/server/app.js:
--------------------------------------------------------------------------------
 1 | var createError = require('http-errors');
 2 | var express = require('express');
 3 | var path = require('path');
 4 | var cookieParser = require('cookie-parser');
 5 | var logger = require('morgan');
 6 | var config = require('./config');
 7 | var bodyParser = require('body-parser');
 8 | 
 9 | var ImageRouter = require('./routes/image');
10 | 
11 | // importing mongoose to create module for mongo connection
12 | const mongoose = require('mongoose');
13 | mongoose.Promise = require('bluebird');
14 | 
15 | const url = config.mongoUrl;
16 | const connect = mongoose.connect(url, {useMongoClient: true });
17 | 
18 | // connect to the database
19 | connect.then((db) => {
20 | 
21 |   var db = mongoose.connection;
22 | 
23 |   console.log('connected to database: samplePOC');
24 | 
25 | }, (err) => console.log(err));
26 | 
27 | var app = express();
28 | 
29 | app.use((req, res, next) => {
30 |   res.setHeader('Access-Control-Allow-Origin', '*');
31 |   res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
32 |   res.header('Access-Control-Allow-Credentials', true);
33 |   res.header('Access-Control-Allow-Methods', '*');  // enables all the methods to take place
34 |   return next();
35 | });
36 | 
37 | // view engine setup
38 | app.set('views', path.join(__dirname, 'views'));
39 | app.set('view engine', 'jade');
40 | 
41 | app.use(logger('dev'));
42 | app.use('/uploads', express.static('uploads'));
43 | app.use(bodyParser.json({limit: '50mb'}));
44 | app.use(bodyParser.urlencoded({limit: '50mb', extended: true}));
45 | app.use(cookieParser());
46 | app.use(express.static(path.join(__dirname, 'public')));
47 | 
48 | app.use('/image', ImageRouter);
49 | 
50 | // catch 404 and forward to error handler
51 | app.use(function (req, res, next) {
52 |   next(createError(404));
53 | });
54 | 
55 | // error handler
56 | app.use(function (err, req, res, next) {
57 |   // set locals, only providing error in development
58 |   res.locals.message = err.message;
59 |   res.locals.error = req.app.get('env') === 'development' ? err : {};
60 | 
61 |   // render the error page
62 |   res.status(err.status || 500);
63 |   res.render('error');
64 | });
65 | 
66 | module.exports = app;


--------------------------------------------------------------------------------
/server/bin/www:
--------------------------------------------------------------------------------
 1 | #!/usr/bin/env node
 2 | 
 3 | /**
 4 |  * Module dependencies.
 5 |  */
 6 | 
 7 | var app = require('../app');
 8 | var debug = require('debug')('image-upload-poc:server');
 9 | var http = require('http');
10 | 
11 | /**
12 |  * Get port from environment and store in Express.
13 |  */
14 | 
15 | var port = normalizePort(process.env.PORT || '9890');
16 | app.set('port', port);
17 | 
18 | /**
19 |  * Create HTTP server.
20 |  */
21 | 
22 | var server = http.createServer(app);
23 | 
24 | /**
25 |  * Listen on provided port, on all network interfaces.
26 |  */
27 | 
28 | server.listen(port);
29 | server.on('error', onError);
30 | server.on('listening', onListening);
31 | 
32 | /**
33 |  * Normalize a port into a number, string, or false.
34 |  */
35 | 
36 | function normalizePort(val) {
37 |   var port = parseInt(val, 10);
38 | 
39 |   if (isNaN(port)) {
40 |     // named pipe
41 |     return val;
42 |   }
43 | 
44 |   if (port >= 0) {
45 |     // port number
46 |     return port;
47 |   }
48 | 
49 |   return false;
50 | }
51 | 
52 | /**
53 |  * Event listener for HTTP server "error" event.
54 |  */
55 | 
56 | function onError(error) {
57 |   if (error.syscall !== 'listen') {
58 |     throw error;
59 |   }
60 | 
61 |   var bind = typeof port === 'string'
62 |     ? 'Pipe ' + port
63 |     : 'Port ' + port;
64 | 
65 |   // handle specific listen errors with friendly messages
66 |   switch (error.code) {
67 |     case 'EACCES':
68 |       console.error(bind + ' requires elevated privileges');
69 |       process.exit(1);
70 |       break;
71 |     case 'EADDRINUSE':
72 |       console.error(bind + ' is already in use');
73 |       process.exit(1);
74 |       break;
75 |     default:
76 |       throw error;
77 |   }
78 | }
79 | 
80 | /**
81 |  * Event listener for HTTP server "listening" event.
82 |  */
83 | 
84 | function onListening() {
85 |   var addr = server.address();
86 |   var bind = typeof addr === 'string'
87 |     ? 'pipe ' + addr
88 |     : 'port ' + addr.port;
89 |   debug('Listening on ' + bind);
90 | }
91 | 


--------------------------------------------------------------------------------
/server/config.js:
--------------------------------------------------------------------------------
1 | module.exports = {
2 |     "mongoUrl": "<enter your mongodb database link here>"
3 | }


--------------------------------------------------------------------------------
/server/models/image.js:
--------------------------------------------------------------------------------
 1 | const mongoose = require('mongoose');
 2 | const Schema = mongoose.Schema;
 3 | 
 4 | /* 
 5 |     Image Schema for storing images in the 
 6 |     mongodb database
 7 | */
 8 | var ImageSchema = new Schema({
 9 |     imageName: {
10 |         type: String,
11 |         default: "none",
12 |         required: true
13 |     },
14 |     imageData: {
15 |         type: String,
16 |         required: true
17 |     }
18 | });
19 | 
20 | var Image = mongoose.model('Image', ImageSchema);
21 | 
22 | module.exports = Image;


--------------------------------------------------------------------------------
/server/package-lock.json:
--------------------------------------------------------------------------------
   1 | {
   2 |   "name": "image-upload-poc",
   3 |   "version": "0.0.0",
   4 |   "lockfileVersion": 1,
   5 |   "requires": true,
   6 |   "dependencies": {
   7 |     "accepts": {
   8 |       "version": "1.3.5",
   9 |       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
  10 |       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
  11 |       "requires": {
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  13 |         "negotiator": "0.6.1"
  14 |       }
  15 |     },
  16 |     "acorn": {
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  20 |     },
  21 |     "acorn-globals": {
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  29 |     "align-text": {
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  31 |       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
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  34 |         "kind-of": "3.2.2",
  35 |         "longest": "1.0.1",
  36 |         "repeat-string": "1.6.1"
  37 |       }
  38 |     },
  39 |     "amdefine": {
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  89 |         "http-errors": "1.6.3",
  90 |         "iconv-lite": "0.4.23",
  91 |         "on-finished": "2.3.0",
  92 |         "qs": "6.5.2",
  93 |         "raw-body": "2.3.3",
  94 |         "type-is": "1.6.16"
  95 |       },
  96 |       "dependencies": {
  97 |         "debug": {
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 101 |           "requires": {
 102 |             "ms": "2.0.0"
 103 |           }
 104 |         },
 105 |         "http-errors": {
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 114 |           }
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1000 |       }
1001 |     },
1002 |     "type-is": {
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1006 |       "requires": {
1007 |         "media-typer": "0.3.0",
1008 |         "mime-types": "2.1.21"
1009 |       }
1010 |     },
1011 |     "typedarray": {
1012 |       "version": "0.0.6",
1013 |       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
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1016 |     "uglify-js": {
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1021 |         "source-map": "0.5.7",
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1023 |         "yargs": "3.10.0"
1024 |       },
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1031 |       }
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1036 |       "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
1037 |       "optional": true
1038 |     },
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1103 |         "window-size": "0.1.0"
1104 |       }
1105 |     }
1106 |   }
1107 | }
1108 | 


--------------------------------------------------------------------------------
/server/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "image-upload-poc",
 3 |   "version": "0.0.0",
 4 |   "private": true,
 5 |   "scripts": {
 6 |     "start": "node ./bin/www"
 7 |   },
 8 |   "dependencies": {
 9 |     "body-parser": "^1.18.3",
10 |     "cookie-parser": "~1.4.3",
11 |     "debug": "~2.6.9",
12 |     "express": "~4.16.0",
13 |     "http-errors": "~1.6.2",
14 |     "jade": "~1.11.0",
15 |     "mongoose": "^4.13.18",
16 |     "morgan": "~1.9.0",
17 |     "multer": "^1.4.1"
18 |   }
19 | }
20 | 


--------------------------------------------------------------------------------
/server/public/stylesheets/style.css:
--------------------------------------------------------------------------------
1 | body {
2 |   padding: 50px;
3 |   font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
4 | }
5 | 
6 | a {
7 |   color: #00B7FF;
8 | }
9 | 


--------------------------------------------------------------------------------
/server/routes/image.js:
--------------------------------------------------------------------------------
 1 | var express = require('express');
 2 | var Image = require('../models/image');
 3 | var ImageRouter = express.Router();
 4 | const multer = require('multer');
 5 | 
 6 | const storage = multer.diskStorage({
 7 |     destination: function (req, file, cb) {
 8 |         cb(null, './uploads/');
 9 |     },
10 |     filename: function (req, file, cb) {
11 |         cb(null, Date.now() + file.originalname);
12 |     }
13 | });
14 | 
15 | const fileFilter = (req, file, cb) => {
16 |     if (file.mimetype === 'image/jpeg' || file.mimetype === 'image/png') {
17 |         cb(null, true);
18 |     } else {
19 |         // rejects storing a file
20 |         cb(null, false);
21 |     }
22 | }
23 | 
24 | const upload = multer({
25 |     storage: storage,
26 |     limits: {
27 |         fileSize: 1024 * 1024 * 5
28 |     },
29 |     fileFilter: fileFilter
30 | });
31 | 
32 | /* 
33 |     stores image in uploads folder
34 |     using multer and creates a reference to the 
35 |     file
36 | */
37 | ImageRouter.route("/uploadmulter")
38 |     .post(upload.single('imageData'), (req, res, next) => {
39 |         console.log(req.body);
40 |         const newImage = new Image({
41 |             imageName: req.body.imageName,
42 |             imageData: req.file.path
43 |         });
44 | 
45 |         newImage.save()
46 |             .then((result) => {
47 |                 console.log(result);
48 |                 res.status(200).json({
49 |                     success: true,
50 |                     document: result
51 |                 });
52 |             })
53 |             .catch((err) => next(err));
54 |     });
55 | 
56 | /*
57 |     upload image in base64 format, thereby,
58 |     directly storing it in mongodb datanase
59 |     along with images uploaded using firebase
60 |     storage
61 | */    
62 | ImageRouter.route("/uploadbase")
63 |     .post((req, res, next) => {
64 |         const newImage = new Image({
65 |             imageName: req.body.imageName,
66 |             imageData: req.body.imageData
67 |         });
68 | 
69 |         newImage.save()
70 |             .then((result) => {
71 |                 res.status(200).json({
72 |                     success: true,
73 |                     document: result
74 |                 });
75 |             })
76 |             .catch((err) => next(err));
77 |     });
78 | 
79 | module.exports = ImageRouter;


--------------------------------------------------------------------------------
/server/views/error.jade:
--------------------------------------------------------------------------------
1 | extends layout
2 | 
3 | block content
4 |   h1= message
5 |   h2= error.status
6 |   pre #{error.stack}
7 | 


--------------------------------------------------------------------------------
/server/views/index.jade:
--------------------------------------------------------------------------------
1 | extends layout
2 | 
3 | block content
4 |   h1= title
5 |   p Welcome to #{title}
6 | 


--------------------------------------------------------------------------------
/server/views/layout.jade:
--------------------------------------------------------------------------------
1 | doctype html
2 | html
3 |   head
4 |     title= title
5 |     link(rel='stylesheet', href='/stylesheets/style.css')
6 |   body
7 |     block content
8 | 


--------------------------------------------------------------------------------