├── .gitignore
├── README.md
├── binary
    └── index.js
├── data
    └── sample.pdf
├── package.json
├── serverless.yml
├── test
    └── binary.spec.js
└── text
    └── index.js


/.gitignore:
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1 | .DS_Store
2 | node_modules
3 | .idea
4 | .serverless
5 | 


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/README.md:
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1 | # Binary files in API Gateway/Lambda test
2 | 
3 | Note: For this to work in a browser you have to add "\*/\*" to binary Media Types in API Gateway console.
4 | 
5 | If you don't need to support browsers you can instead add "application/pdf" there, and request with Accept header like so:
6 | 
7 | curl -H "Accept: application/pdf" https://xxxxxxxx.execute-api.eu-west-1.amazonaws.com/dev/fetchBinary > test.pdf
8 | 


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/binary/index.js:
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 1 | "use strict";
 2 | 
 3 | const fs = require("fs");
 4 | 
 5 | module.exports.fetchBinary = (event, context, callback) => {
 6 |   const content = fs.readFileSync("data/sample.pdf");
 7 | 
 8 |   const response = {
 9 |     statusCode: 200,
10 |     headers: {
11 |       "Content-Type": "application/pdf",
12 |       "Content-Disposition": "inline; filename=\"sample.pdf\""
13 |     },
14 |     body: content.toString("base64"),
15 |     isBase64Encoded: true
16 |   };
17 | 
18 |   return callback(null, response);
19 | };
20 | 


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/data/sample.pdf:
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https://raw.githubusercontent.com/bni/binary-test/1d79c78a3e2dc57694a64eefea459a8f5c1035d5/data/sample.pdf


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/package.json:
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 1 | {
 2 |   "name": "binary-test",
 3 |   "version": "0.0.1",
 4 |   "description": "Binary Test",
 5 |   "author": "bnilsson@me.com",
 6 |   "license": "MIT",
 7 |   "repository": {
 8 |     "type": "git",
 9 |     "url": "https://github.com/bni/binary-test"
10 |   },
11 |   "scripts": {
12 |     "test": "./node_modules/.bin/mocha"
13 |   },
14 |   "dependencies": {
15 |     "moment": "2.18.1",
16 |     "aws-sdk": "2.32.0",
17 |     "request": "2.81.0",
18 |     "soap": "0.19.0",
19 |     "mock-require": "2.0.1"
20 |   },
21 |   "devDependencies": {
22 |     "chai": "3.5.0",
23 |     "mocha": "3.2.0",
24 |     "serverless": "1.9.0",
25 |     "serverless-plugin-browserify": "1.1.2"
26 |   }
27 | }
28 | 


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/serverless.yml:
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 1 | service: binary-test
 2 | 
 3 | package:
 4 |   individually: true
 5 | 
 6 | plugins:
 7 |   - serverless-plugin-browserify
 8 | 
 9 | provider:
10 |   name: aws
11 |   runtime: nodejs6.10
12 |   profile: default
13 |   region: eu-west-1
14 |   stage: dev
15 | 
16 | functions:
17 |   fetchBinary:
18 |     handler: binary/index.fetchBinary
19 |     package:
20 |       include:
21 |         - data/sample.pdf
22 |     memorySize: 1024
23 |     timeout: 10
24 |     events:
25 |       - http:
26 |           path: fetchBinary
27 |           method: GET
28 | 
29 |   fetchText:
30 |     handler: text/index.fetchText
31 |     memorySize: 1024
32 |     timeout: 10
33 |     events:
34 |       - http:
35 |           path: fetchText
36 |           method: GET
37 | 


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/test/binary.spec.js:
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 1 | "use strict";
 2 | 
 3 | const assert = require("chai").assert;
 4 | 
 5 | describe("binary", () => {
 6 |   it("Should return one response", (done) => {
 7 |     try {
 8 |       const index = require("../binary/index");
 9 | 
10 |       index.fetchBinary({}, {}, (error, response) => {
11 |         assert.isString(response.body);
12 | 
13 |         const decodedContent = new Buffer(response.body, "base64");
14 | 
15 |         assert.deepEqual(decodedContent.slice(0, 4), new Buffer([0x25, 0x50, 0x44, 0x46]), "Invalid PDF");
16 | 
17 |         done();
18 |       });
19 |     } catch (errorMessage) {
20 |       done(errorMessage);
21 |     }
22 |   });
23 | });
24 | 


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/text/index.js:
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 1 | "use strict";
 2 | 
 3 | const moment = require("moment");
 4 | const S3 = require("aws-sdk/clients/s3"); // Not used, for now
 5 | const request = require("request"); // Not used, for now
 6 | 
 7 | // Hack around broken soap module that tries to read .ejs files that dont exist
 8 | const mock = require("mock-require"); mock("fs", {readFileSync: () => {return "";}});
 9 | const soap = require("soap"); mock.stop("fs");
10 | 
11 | module.exports.fetchText = (event, context, callback) => {
12 |   const response = {
13 |     statusCode: 200,
14 |     headers: {
15 |       "Content-Type": "text/plain"
16 |     },
17 |     body: `Today is ${moment().format("dddd")}.`
18 |   };
19 | 
20 |   return callback(null, response);
21 | };
22 | 


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