├── .deployment ├── .github ├── ISSUE_TEMPLATE.md └── PULL_REQUEST_TEMPLATE.md ├── CHANGELOG.md ├── CONTRIBUTING.md ├── LICENSE.md ├── README.md ├── v10 ├── .env.example ├── .gitignore ├── app.js ├── bin │ └── www ├── config.js ├── package-lock.json ├── package.json ├── public │ ├── favicon.ico │ └── stylesheets │ │ └── style.css ├── routes │ ├── index.js │ └── upload.js └── views │ ├── error.hbs │ ├── index.hbs │ ├── layout.hbs │ └── success.hbs └── v12 ├── .env.example ├── .gitignore ├── app.js ├── bin └── www ├── package-lock.json ├── package.json ├── public ├── favicon.ico └── stylesheets │ └── style.css ├── routes └── index.js └── views ├── error.hbs ├── index.hbs ├── layout.hbs └── success.hbs /.deployment: -------------------------------------------------------------------------------- 1 | [config] 2 | project = v12 -------------------------------------------------------------------------------- /.github/ISSUE_TEMPLATE.md: -------------------------------------------------------------------------------- 1 | 4 | > Please provide us with the following information: 5 | > --------------------------------------------------------------- 6 | 7 | ### This issue is for a: (mark with an `x`) 8 | ``` 9 | - [ ] bug report -> please search issues before submitting 10 | - [ ] feature request 11 | - [ ] documentation issue or request 12 | - [ ] regression (a behavior that used to work and stopped in a new release) 13 | ``` 14 | 15 | ### Minimal steps to reproduce 16 | > 17 | 18 | ### Any log messages given by the failure 19 | > 20 | 21 | ### Expected/desired behavior 22 | > 23 | 24 | ### OS and Version? 25 | > Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?) 26 | 27 | ### Versions 28 | > 29 | 30 | ### Mention any other details that might be useful 31 | 32 | > --------------------------------------------------------------- 33 | > Thanks! We'll be in touch soon. 34 | -------------------------------------------------------------------------------- /.github/PULL_REQUEST_TEMPLATE.md: -------------------------------------------------------------------------------- 1 | ## Purpose 2 | 3 | * ... 4 | 5 | ## Does this introduce a breaking change? 6 | 7 | ``` 8 | [ ] Yes 9 | [ ] No 10 | ``` 11 | 12 | ## Pull Request Type 13 | What kind of change does this Pull Request introduce? 14 | 15 | 16 | ``` 17 | [ ] Bugfix 18 | [ ] Feature 19 | [ ] Code style update (formatting, local variables) 20 | [ ] Refactoring (no functional changes, no api changes) 21 | [ ] Documentation content changes 22 | [ ] Other... Please describe: 23 | ``` 24 | 25 | ## How to Test 26 | * Get the code 27 | 28 | ``` 29 | git clone [repo-address] 30 | cd [repo-name] 31 | git checkout [branch-name] 32 | npm install 33 | ``` 34 | 35 | * Test the code 36 | 37 | ``` 38 | ``` 39 | 40 | ## What to Check 41 | Verify that the following are valid 42 | * ... 43 | 44 | ## Other Information 45 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## [project-title] Changelog 2 | 3 | 4 | # x.y.z (yyyy-mm-dd) 5 | 6 | *Features* 7 | * ... 8 | 9 | *Bug Fixes* 10 | * ... 11 | 12 | *Breaking Changes* 13 | * ... 14 | -------------------------------------------------------------------------------- /CONTRIBUTING.md: -------------------------------------------------------------------------------- 1 | # Contributing to this project 2 | 3 | This project welcomes contributions and suggestions. Most contributions require you to agree to a 4 | Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us 5 | the rights to use your contribution. For details, visit https://cla.microsoft.com. 6 | 7 | When you submit a pull request, a CLA-bot will automatically determine whether you need to provide 8 | a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions 9 | provided by the bot. You will only need to do this once across all repos using our CLA. 10 | 11 | This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 12 | For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or 13 | contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. 14 | 15 | - [Code of Conduct](#coc) 16 | - [Issues and Bugs](#issue) 17 | - [Feature Requests](#feature) 18 | - [Submission Guidelines](#submit) 19 | 20 | ## Code of Conduct 21 | Help us keep this project open and inclusive. Please read and follow our [Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 22 | 23 | ## Found an Issue? 24 | If you find a bug in the source code or a mistake in the documentation, you can help us by 25 | [submitting an issue](#submit-issue) to the GitHub Repository. Even better, you can 26 | [submit a Pull Request](#submit-pr) with a fix. 27 | 28 | ## Want a Feature? 29 | You can *request* a new feature by [submitting an issue](#submit-issue) to the GitHub 30 | Repository. If you would like to *implement* a new feature, please submit an issue with 31 | a proposal for your work first, to be sure that we can use it. 32 | 33 | * **Small Features** can be crafted and directly [submitted as a Pull Request](#submit-pr). 34 | 35 | ## Submission Guidelines 36 | 37 | ### Submitting an Issue 38 | Before you submit an issue, search the archive, maybe your question was already answered. 39 | 40 | If your issue appears to be a bug, and hasn't been reported, open a new issue. 41 | Help us to maximize the effort we can spend fixing issues and adding new 42 | features, by not reporting duplicate issues. Providing the following information will increase the 43 | chances of your issue being dealt with quickly: 44 | 45 | * **Overview of the Issue** - if an error is being thrown a non-minified stack trace helps 46 | * **Version** - what version is affected (e.g. 0.1.2) 47 | * **Motivation for or Use Case** - explain what are you trying to do and why the current behavior is a bug for you 48 | * **Browsers and Operating System** - is this a problem with all browsers? 49 | * **Reproduce the Error** - provide a live example or a unambiguous set of steps 50 | * **Related Issues** - has a similar issue been reported before? 51 | * **Suggest a Fix** - if you can't fix the bug yourself, perhaps you can point to what might be 52 | causing the problem (line of code or commit) 53 | 54 | You can file new issues by providing the above information at the corresponding repository's issues link: https://github.com/[organization-name]/[repository-name]/issues/new]. 55 | 56 | ### Submitting a Pull Request (PR) 57 | Before you submit your Pull Request (PR) consider the following guidelines: 58 | 59 | * Search the repository (https://github.com/[organization-name]/[repository-name]/pulls) for an open or closed PR 60 | that relates to your submission. You don't want to duplicate effort. 61 | 62 | * Make your changes in a new git fork: 63 | 64 | * Commit your changes using a descriptive commit message 65 | * Push your fork to GitHub: 66 | * In GitHub, create a pull request 67 | * If we suggest changes then: 68 | * Make the required updates. 69 | * Rebase your fork and force push to your GitHub repository (this will update your Pull Request): 70 | 71 | ```shell 72 | git rebase master -i 73 | git push -f 74 | ``` 75 | 76 | That's it! Thank you for your contribution! 77 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) Microsoft Corporation. All rights reserved. 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | --- 2 | page_type: sample 3 | languages: 4 | - javascript 5 | - nodejs 6 | products: 7 | - azure 8 | - azure-storage 9 | description: "How to stream blobs to Azure Blob Storage with Node.js." 10 | urlFragment: stream-blobs-nodejs 11 | --- 12 | 13 | # How to stream blobs to Azure Blob Storage with Node.js 14 | 15 | ## SDK Versions 16 | In this sample, you will find the following folders: 17 | 18 | * **v10** - references Storage Blob SDK v10 19 | * **v12** - references Storage Blob SDK v12 20 | 21 | ## Prerequisites 22 | If you don't have a Microsoft Azure subscription, you can get a [free account] before you begin. 23 | 24 | Clone the repository to your machine: 25 | 26 | ```bash 27 | git clone https://github.com/Azure-Samples/azure-sdk-for-js-storage-blob-stream-nodejs.git 28 | ``` 29 | 30 | Then, switch to the appropriate folder: 31 | 32 | ```bash 33 | cd v10 34 | ``` 35 | 36 | or 37 | 38 | ```bash 39 | cd v12 40 | ``` 41 | 42 | Install dependencies via `npm`: 43 | 44 | ```bash 45 | npm install 46 | ``` 47 | 48 | ## This Sample shows how to do following operations of Storage Blobs 49 | * Create a storage account. 50 | * Create a container. 51 | * Upload a stream to [blockblob]. 52 | 53 | ## Adding your storage account name and key 54 | Navigate to your storage account in the [Azure Portal] and copy the account name and key (under **Settings** > **Access keys**) into the `.env.example` file. Save the file and then rename it from `.env.example` to `.env`. 55 | 56 | ## Running the sample 57 | Start the server: 58 | 59 | ```bash 60 | npm start 61 | ``` 62 | 63 | Navigate to [http://localhost:3000] and upload an image to blob storage. 64 | 65 | You can use the [Azure Storage Explorer] to view blob containers and verify your upload is successful. 66 | 67 | 68 | [blockblob]: https://docs.microsoft.com/en-us/rest/api/storageservices/understanding-block-blobs--append-blobs--and-page-blobs 69 | [Azure Portal]: https://portal.azure.com 70 | [http://localhost:3000]: http://localhost:3000 71 | [Azure Storage Explorer]: https://azure.microsoft.com/features/storage-explorer/ 72 | [free account]: http://go.microsoft.com/fwlink/?LinkId=330212 73 | 74 | -------------------------------------------------------------------------------- /v10/.env.example: -------------------------------------------------------------------------------- 1 | AZURE_STORAGE_ACCOUNT_NAME= 2 | AZURE_STORAGE_ACCOUNT_ACCESS_KEY= -------------------------------------------------------------------------------- /v10/.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | npm-debug.log* 5 | yarn-debug.log* 6 | yarn-error.log* 7 | 8 | # Runtime data 9 | pids 10 | *.pid 11 | *.seed 12 | *.pid.lock 13 | 14 | # Directory for instrumented libs generated by jscoverage/JSCover 15 | lib-cov 16 | 17 | # Coverage directory used by tools like istanbul 18 | coverage 19 | 20 | # nyc test coverage 21 | .nyc_output 22 | 23 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) 24 | .grunt 25 | 26 | # Bower dependency directory (https://bower.io/) 27 | bower_components 28 | 29 | # node-waf configuration 30 | .lock-wscript 31 | 32 | # Compiled binary addons (https://nodejs.org/api/addons.html) 33 | build/Release 34 | 35 | # Dependency directories 36 | node_modules/ 37 | jspm_packages/ 38 | 39 | # TypeScript v1 declaration files 40 | typings/ 41 | 42 | # Optional npm cache directory 43 | .npm 44 | 45 | # Optional eslint cache 46 | .eslintcache 47 | 48 | # Optional REPL history 49 | .node_repl_history 50 | 51 | # Output of 'npm pack' 52 | *.tgz 53 | 54 | # Yarn Integrity file 55 | .yarn-integrity 56 | 57 | # dotenv environment variables file 58 | .env 59 | 60 | # next.js build output 61 | .next 62 | 63 | -------------------------------------------------------------------------------- /v10/app.js: -------------------------------------------------------------------------------- 1 | const express = require('express'); 2 | const path = require('path'); 3 | const favicon = require('serve-favicon'); 4 | const logger = require('morgan'); 5 | const cookieParser = require('cookie-parser'); 6 | const bodyParser = require('body-parser'); 7 | 8 | const index = require('./routes/index'); 9 | const upload = require('./routes/upload'); 10 | 11 | const app = express(); 12 | 13 | // view engine setup 14 | app.set('views', path.join(__dirname, 'views')); 15 | app.set('view engine', 'hbs'); 16 | 17 | app.use(favicon(path.join(__dirname, 'public', 'favicon.ico'))); 18 | app.use(logger('dev')); 19 | app.use(bodyParser.json()); 20 | app.use(bodyParser.urlencoded({ extended: false })); 21 | app.use(cookieParser()); 22 | app.use(express.static(path.join(__dirname, 'public'))); 23 | 24 | app.use('/', index); 25 | app.use('/upload', upload); 26 | 27 | // catch 404 and forward to error handler 28 | app.use((req, res, next) => { 29 | const err = new Error('Not Found'); 30 | err.status = 404; 31 | next(err); 32 | }); 33 | 34 | // error handler 35 | app.use((err, req, res, next) => { 36 | // set locals, only providing error in development 37 | res.locals.message = err.message; 38 | res.locals.error = req.app.get('env') === 'development' ? err : {}; 39 | 40 | // render the error page 41 | res.status(err.status || 500); 42 | res.render('error'); 43 | }); 44 | 45 | module.exports = app; 46 | -------------------------------------------------------------------------------- /v10/bin/www: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | 3 | /** 4 | * Module dependencies. 5 | */ 6 | 7 | var app = require('../app'); 8 | var debug = require('debug')('node-blobs-image-resize: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 || '3000'); 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 | ? 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-------------------------------------------------------------------------------- /v10/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "node-blobs-image-resize", 3 | "version": "0.0.0", 4 | "private": true, 5 | "scripts": { 6 | "start": "node ./bin/www" 7 | }, 8 | "dependencies": { 9 | "@azure/storage-blob": "^10.3.0", 10 | "body-parser": "^1.18.3", 11 | "cookie-parser": "~1.4.3", 12 | "debug": "~2.6.9", 13 | "dotenv": "^5.0.1", 14 | "express": "^4.16.4", 15 | "hbs": "~4.0.1", 16 | "into-stream": "^3.1.0", 17 | "morgan": "^1.9.1", 18 | "multer": "^1.4.1", 19 | "serve-favicon": "~2.4.5" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /v10/public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Azure-Samples/azure-sdk-for-js-storage-blob-stream-nodejs/50eb069440e805489c5d8c7232b4735f130322c2/v10/public/favicon.ico -------------------------------------------------------------------------------- /v10/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 | 10 | .upload-container { 11 | border: solid 1px #ccc; 12 | padding: 10px; 13 | max-width: fit-content; 14 | margin-bottom: 10px 15 | } -------------------------------------------------------------------------------- /v10/routes/index.js: -------------------------------------------------------------------------------- 1 | if (process.env.NODE_ENV !== 'production') { 2 | require('dotenv').load(); 3 | } 4 | 5 | const { 6 | Aborter, 7 | ContainerURL, 8 | ServiceURL, 9 | StorageURL, 10 | SharedKeyCredential 11 | } = require('@azure/storage-blob'); 12 | 13 | const express = require('express'); 14 | const router = express.Router(); 15 | const containerName = 'thumbnails'; 16 | 17 | const sharedKeyCredential = new SharedKeyCredential( 18 | process.env.AZURE_STORAGE_ACCOUNT_NAME, 19 | process.env.AZURE_STORAGE_ACCOUNT_ACCESS_KEY); 20 | const pipeline = StorageURL.newPipeline(sharedKeyCredential); 21 | 22 | const serviceURL = new ServiceURL( 23 | `https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net`, 24 | pipeline 25 | ); 26 | 27 | const containerURL = ContainerURL.fromServiceURL(serviceURL, containerName); 28 | 29 | router.get('/', async (req, res, next) => { 30 | 31 | let viewData; 32 | 33 | try { 34 | 35 | const listBlobsResponse = await containerURL.listBlobFlatSegment(Aborter.none); 36 | 37 | for (const blob of listBlobsResponse.segment.blobItems) { 38 | console.log(`Blob: ${blob.name}`); 39 | } 40 | 41 | viewData = { 42 | title: 'Home', 43 | viewName: 'index', 44 | accountName: process.env.AZURE_STORAGE_ACCOUNT_NAME, 45 | containerName: containerName 46 | }; 47 | 48 | if (listBlobsResponse.segment.blobItems.length) { 49 | viewData.thumbnails = listBlobsResponse.segment.blobItems; 50 | } 51 | 52 | } catch (err) { 53 | 54 | viewData = { 55 | title: 'Error', 56 | viewName: 'error', 57 | message: 'There was an error contacting the blob storage container.', 58 | error: err 59 | }; 60 | 61 | res.status(500); 62 | 63 | } finally { 64 | 65 | res.render(viewData.viewName, viewData); 66 | 67 | } 68 | }); 69 | 70 | module.exports = router; -------------------------------------------------------------------------------- /v10/routes/upload.js: -------------------------------------------------------------------------------- 1 | if (process.env.NODE_ENV !== 'production') { 2 | require('dotenv').load(); 3 | } 4 | 5 | const { 6 | Aborter, 7 | BlobURL, 8 | BlockBlobURL, 9 | ContainerURL, 10 | ServiceURL, 11 | StorageURL, 12 | SharedKeyCredential, 13 | uploadStreamToBlockBlob 14 | } = require('@azure/storage-blob'); 15 | 16 | const express = require('express'); 17 | const router = express.Router(); 18 | const multer = require('multer'); 19 | const inMemoryStorage = multer.memoryStorage(); 20 | const uploadStrategy = multer({ storage: inMemoryStorage }).single('image'); 21 | const getStream = require('into-stream'); 22 | const containerName = 'images'; 23 | const ONE_MEGABYTE = 1024 * 1024; 24 | const uploadOptions = { bufferSize: 4 * ONE_MEGABYTE, maxBuffers: 20 }; 25 | const ONE_MINUTE = 60 * 1000; 26 | 27 | const sharedKeyCredential = new SharedKeyCredential( 28 | process.env.AZURE_STORAGE_ACCOUNT_NAME, 29 | process.env.AZURE_STORAGE_ACCOUNT_ACCESS_KEY); 30 | const pipeline = StorageURL.newPipeline(sharedKeyCredential); 31 | const serviceURL = new ServiceURL( 32 | `https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net`, 33 | pipeline 34 | ); 35 | 36 | const getBlobName = originalName => { 37 | // Use a random number to generate a unique file name, 38 | // removing "0." from the start of the string. 39 | const identifier = Math.random().toString().replace(/0\./, ''); 40 | return `${identifier}-${originalName}`; 41 | }; 42 | 43 | router.post('/', uploadStrategy, async (req, res) => { 44 | 45 | const aborter = Aborter.timeout(30 * ONE_MINUTE); 46 | const blobName = getBlobName(req.file.originalname); 47 | const stream = getStream(req.file.buffer); 48 | const containerURL = ContainerURL.fromServiceURL(serviceURL, containerName); 49 | const blockBlobURL = BlockBlobURL.fromContainerURL(containerURL, blobName); 50 | 51 | try { 52 | 53 | await uploadStreamToBlockBlob(aborter, stream, 54 | blockBlobURL, uploadOptions.bufferSize, uploadOptions.maxBuffers, 55 | { blobHTTPHeaders: { blobContentType: "image/jpeg" } }); 56 | 57 | res.render('success', { message: 'File uploaded to Azure Blob storage.' }); 58 | 59 | } catch (err) { 60 | 61 | res.render('error', { message: err.message }); 62 | 63 | } 64 | }); 65 | 66 | module.exports = router; -------------------------------------------------------------------------------- /v10/views/error.hbs: -------------------------------------------------------------------------------- 1 |

{{message}}

2 |

{{error.status}}

3 | 
{{error.stack}}
4 | -------------------------------------------------------------------------------- /v10/views/index.hbs: -------------------------------------------------------------------------------- 1 |

Image Resizer

2 | 3 |

Upload photos

4 |
5 |

Select an image to upload:

6 |
7 |
8 |
9 | 10 |

{{message}}

11 | 12 |

Generated Thumbnails

13 | {{#each this.thumbnails}} 14 | 15 | {{/each}} 16 | 17 |
18 |

This app has no official privacy policy. Your data will be uploaded to a service in order to produce a thumbnail. Your images will be public once you upload them and there is no automated way to remove them.

19 | 20 | -------------------------------------------------------------------------------- /v10/views/layout.hbs: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | {{title}} 5 | 6 | 7 | 8 | {{{body}}} 9 | 10 | 11 | -------------------------------------------------------------------------------- /v10/views/success.hbs: -------------------------------------------------------------------------------- 1 |

Success!

2 | 3 |

{{message}}

4 | 5 | Return home to view thumbnails -------------------------------------------------------------------------------- /v12/.env.example: -------------------------------------------------------------------------------- 1 | AZURE_STORAGE_ACCOUNT_NAME= 2 | AZURE_STORAGE_ACCOUNT_ACCESS_KEY= -------------------------------------------------------------------------------- /v12/.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | npm-debug.log* 5 | yarn-debug.log* 6 | yarn-error.log* 7 | 8 | # Runtime data 9 | pids 10 | *.pid 11 | *.seed 12 | *.pid.lock 13 | 14 | # Directory for instrumented libs generated by jscoverage/JSCover 15 | lib-cov 16 | 17 | # Coverage directory used by tools like istanbul 18 | coverage 19 | 20 | # nyc test coverage 21 | .nyc_output 22 | 23 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) 24 | .grunt 25 | 26 | # Bower dependency directory (https://bower.io/) 27 | bower_components 28 | 29 | # node-waf configuration 30 | .lock-wscript 31 | 32 | # Compiled binary addons (https://nodejs.org/api/addons.html) 33 | build/Release 34 | 35 | # Dependency directories 36 | node_modules/ 37 | jspm_packages/ 38 | 39 | # TypeScript v1 declaration files 40 | typings/ 41 | 42 | # Optional npm cache directory 43 | .npm 44 | 45 | # Optional eslint cache 46 | .eslintcache 47 | 48 | # Optional REPL history 49 | .node_repl_history 50 | 51 | # Output of 'npm pack' 52 | *.tgz 53 | 54 | # Yarn Integrity file 55 | .yarn-integrity 56 | 57 | # dotenv environment variables file 58 | .env 59 | 60 | # next.js build output 61 | .next 62 | -------------------------------------------------------------------------------- /v12/app.js: -------------------------------------------------------------------------------- 1 | const express = require('express'); 2 | const path = require('path'); 3 | const favicon = require('serve-favicon'); 4 | const logger = require('morgan'); 5 | const cookieParser = require('cookie-parser'); 6 | const bodyParser = require('body-parser'); 7 | const index = require('./routes/index'); 8 | const app = express(); 9 | 10 | // view engine setup 11 | app.set('views', path.join(__dirname, 'views')); 12 | app.set('view engine', 'hbs'); 13 | 14 | app.use(favicon(path.join(__dirname, 'public', 'favicon.ico'))); 15 | app.use(logger('dev')); 16 | app.use(bodyParser.json()); 17 | app.use(bodyParser.urlencoded({ extended: false })); 18 | app.use(cookieParser()); 19 | app.use(express.static(path.join(__dirname, 'public'))); 20 | 21 | app.use('/', index); 22 | 23 | // catch 404 and forward to error handler 24 | app.use((req, res, next) => { 25 | const err = new Error('Not Found'); 26 | err.status = 404; 27 | next(err); 28 | }); 29 | 30 | // error handler 31 | app.use((err, req, res, next) => { 32 | // set locals, only providing error in development 33 | res.locals.message = err.message; 34 | res.locals.error = req.app.get('env') === 'development' ? err : {}; 35 | 36 | // render the error page 37 | res.status(err.status || 500); 38 | res.render('error'); 39 | }); 40 | 41 | module.exports = app; 42 | -------------------------------------------------------------------------------- /v12/bin/www: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | 3 | /** 4 | * Module dependencies. 5 | */ 6 | 7 | var app = require('../app'); 8 | var debug = require('debug')('node-blobs-image-resize: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 || '3000'); 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 | ? 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"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz", 995 | "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==" 996 | } 997 | } 998 | } 999 | -------------------------------------------------------------------------------- /v12/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "node-blobs-image-resize", 3 | "version": "0.0.12", 4 | "private": true, 5 | "engines": { 6 | "node": ">=10.14.1", 7 | "npm": ">=6.13.4" 8 | }, 9 | "scripts": { 10 | "start": "node ./bin/www" 11 | }, 12 | "dependencies": { 13 | "@azure/storage-blob": "^12.1.2", 14 | "body-parser": "^1.18.3", 15 | "cookie-parser": "~1.4.3", 16 | "debug": "^4.1.1", 17 | "dotenv": "^8.2.0", 18 | "express": "^4.17.1", 19 | "hbs": "^4.1.1", 20 | "into-stream": "^5.1.1", 21 | "morgan": "^1.10.0", 22 | "multer": "^1.4.1", 23 | "serve-favicon": "~2.5.0" 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /v12/public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Azure-Samples/azure-sdk-for-js-storage-blob-stream-nodejs/50eb069440e805489c5d8c7232b4735f130322c2/v12/public/favicon.ico -------------------------------------------------------------------------------- /v12/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 | 10 | .upload-container { 11 | border: solid 1px #ccc; 12 | padding: 10px; 13 | max-width: fit-content; 14 | margin-bottom: 10px 15 | } -------------------------------------------------------------------------------- /v12/routes/index.js: -------------------------------------------------------------------------------- 1 | if (process.env.NODE_ENV !== 'production') { 2 | require('dotenv').config(); 3 | } 4 | 5 | const { 6 | BlobServiceClient, 7 | StorageSharedKeyCredential, 8 | newPipeline 9 | } = require('@azure/storage-blob'); 10 | 11 | const express = require('express'); 12 | const router = express.Router(); 13 | const containerName1 = 'thumbnails'; 14 | const multer = require('multer'); 15 | const inMemoryStorage = multer.memoryStorage(); 16 | const uploadStrategy = multer({ storage: inMemoryStorage }).single('image'); 17 | const getStream = require('into-stream'); 18 | const containerName2 = 'images'; 19 | const ONE_MEGABYTE = 1024 * 1024; 20 | const uploadOptions = { bufferSize: 4 * ONE_MEGABYTE, maxBuffers: 20 }; 21 | const ONE_MINUTE = 60 * 1000; 22 | 23 | const sharedKeyCredential = new StorageSharedKeyCredential( 24 | process.env.AZURE_STORAGE_ACCOUNT_NAME, 25 | process.env.AZURE_STORAGE_ACCOUNT_ACCESS_KEY); 26 | const pipeline = newPipeline(sharedKeyCredential); 27 | 28 | const blobServiceClient = new BlobServiceClient( 29 | `https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net`, 30 | pipeline 31 | ); 32 | 33 | const getBlobName = originalName => { 34 | // Use a random number to generate a unique file name, 35 | // removing "0." from the start of the string. 36 | const identifier = Math.random().toString().replace(/0\./, ''); 37 | return `${identifier}-${originalName}`; 38 | }; 39 | 40 | router.get('/', async (req, res, next) => { 41 | 42 | let viewData; 43 | 44 | try { 45 | const containerClient = blobServiceClient.getContainerClient(containerName1); 46 | const listBlobsResponse = await containerClient.listBlobFlatSegment(); 47 | 48 | for await (const blob of listBlobsResponse.segment.blobItems) { 49 | console.log(`Blob: ${blob.name}`); 50 | } 51 | 52 | viewData = { 53 | title: 'Home', 54 | viewName: 'index', 55 | accountName: process.env.AZURE_STORAGE_ACCOUNT_NAME, 56 | containerName: containerName1 57 | }; 58 | 59 | if (listBlobsResponse.segment.blobItems.length) { 60 | viewData.thumbnails = listBlobsResponse.segment.blobItems; 61 | } 62 | } catch (err) { 63 | viewData = { 64 | title: 'Error', 65 | viewName: 'error', 66 | message: 'There was an error contacting the blob storage container.', 67 | error: err 68 | }; 69 | res.status(500); 70 | } finally { 71 | res.render(viewData.viewName, viewData); 72 | } 73 | }); 74 | 75 | router.post('/', uploadStrategy, async (req, res) => { 76 | const blobName = getBlobName(req.file.originalname); 77 | const stream = getStream(req.file.buffer); 78 | const containerClient = blobServiceClient.getContainerClient(containerName2);; 79 | const blockBlobClient = containerClient.getBlockBlobClient(blobName); 80 | 81 | try { 82 | await blockBlobClient.uploadStream(stream, 83 | uploadOptions.bufferSize, uploadOptions.maxBuffers, 84 | { blobHTTPHeaders: { blobContentType: "image/jpeg" } }); 85 | res.render('success', { message: 'File uploaded to Azure Blob storage.' }); 86 | } catch (err) { 87 | res.render('error', { message: err.message }); 88 | } 89 | }); 90 | 91 | module.exports = router; -------------------------------------------------------------------------------- /v12/views/error.hbs: -------------------------------------------------------------------------------- 1 |

{{message}}

2 |

{{error.status}}

3 | 
{{error.stack}}
4 | -------------------------------------------------------------------------------- /v12/views/index.hbs: -------------------------------------------------------------------------------- 1 |

Image Resizer

2 | 3 |

Upload Photos

4 |
5 |

Select an image to upload:

6 |
7 |
8 |
9 | 10 |

{{message}}

11 | 12 |

Generated Thumbnails

13 | {{#each this.thumbnails}} 14 | 15 | {{/each}} 16 | 17 |
18 |

This app has no official privacy policy. Your data will be uploaded to a service in order to produce a thumbnail. Your images will be public once you upload them and there is no automated way to remove them.

19 | 20 | -------------------------------------------------------------------------------- /v12/views/layout.hbs: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | {{title}} 5 | 6 | 7 | 8 | {{{body}}} 9 | 10 | 11 | -------------------------------------------------------------------------------- /v12/views/success.hbs: -------------------------------------------------------------------------------- 1 |

Success!

2 | 3 |

{{message}}

4 | 5 | Return home to view thumbnails --------------------------------------------------------------------------------