test/camo.js

   1 const assert = require('assert');
   2 const Camo = require('../lib/camo');
   3 const CamoConfig = require('../lib/configuration/camoconfig').CamoConfig;
   4
   5 describe('Camo', () => {
   6     const config = new CamoConfig({
   7         camo: {
   8             server: 'http://localhost:8081',
   9             key: '9LKC7708ZHOVRCTLOLE3G2YJ0U1T8F96',
  10             'whitelisted-domains': ['def.xyz', 'tii.kzz.qqq'],
  11             encoding: 'hex'
  12         }
  13     });
  14
  15     describe('#camoify', () => {
  16         it('constructs a camo url', () => {
  17             const result = Camo.camoify(config, 'http://abc.xyz/image.jpeg');
  18             assert.strictEqual(result, 'http://localhost:8081/a9c295dd7d8dcbc8247dec97ac5d9b4ee8baeb31/687474703a2f2f6162632e78797a2f696d6167652e6a706567');
  19         });
  20
  21         it('constructs a camo url using url encoding', () => {
  22             const config = new CamoConfig({
  23                 camo: {
  24                     server: 'http://localhost:8081',
  25                     key: '9LKC7708ZHOVRCTLOLE3G2YJ0U1T8F96',
  26                     'whitelisted-domains': ['def.xyz'],
  27                     encoding: 'url'
  28                 }
  29             });
  30
  31             const result = Camo.camoify(config, 'http://abc.xyz/image.jpeg');
  32             assert.strictEqual(result, 'http://localhost:8081/a9c295dd7d8dcbc8247dec97ac5d9b4ee8baeb31?url=http%3A%2F%2Fabc.xyz%2Fimage.jpeg');
  33         });
  34
  35         it('bypasses camo for whitelisted domains', () => {
  36             const result = Camo.camoify(config, 'http://def.xyz/image.jpeg');
  37             assert.strictEqual(result, 'https://def.xyz/image.jpeg');
  38         });
  39
  40         it('bypasses camo for whitelisted domains subdomains', () => {
  41             const result = Camo.camoify(config, 'http://abc.def.xyz/image.jpeg');
  42             assert.strictEqual(result, 'https://abc.def.xyz/image.jpeg');
  43         });
  44
  45         it('does not bypass camo for a non-subdomain match', () => {
  46             const result = Camo.camoify(config, 'http://abcdef.xyz/image.jpeg');
  47             assert.strictEqual(result, 'http://localhost:8081/19f53f65e8081a064cff54fbd665e8bb08612aa6/687474703a2f2f6162636465662e78797a2f696d6167652e6a706567');
  48         });
  49
  50         it('does not bypass camo when no whitelist is configured', () => {
  51             const config = new CamoConfig({
  52                 camo: {
  53                     server: 'http://localhost:8081',
  54                     key: '9LKC7708ZHOVRCTLOLE3G2YJ0U1T8F96',
  55                     encoding: 'hex'
  56                 }
  57             });
  58             const result = Camo.camoify(config, 'http://abcdef.xyz/image.jpeg');
  59             assert.strictEqual(result, 'http://localhost:8081/19f53f65e8081a064cff54fbd665e8bb08612aa6/687474703a2f2f6162636465662e78797a2f696d6167652e6a706567');
  60         });
  61     });
  62
  63     describe('#transformImgTags', () => {
  64         it('transforms an img tag with a src', () => {
  65             const attribs = {
  66                 src: 'http://abc.xyz/image.jpeg',
  67                 'class': 'some-image'
  68             };
  69             const expectedAttribs = {
  70                 src: 'http://localhost:8081/a9c295dd7d8dcbc8247dec97ac5d9b4ee8baeb31/687474703a2f2f6162632e78797a2f696d6167652e6a706567',
  71                 'class': 'some-image'
  72             };
  73             const result = Camo.transformImgTags(config, 'img', attribs);
  74             assert.deepStrictEqual(result, { tagName: 'img', attribs: expectedAttribs });
  75         });
  76
  77         it('skips img tags with no src', () => {
  78             const attribs = { 'class': 'some-image' };
  79             const result = Camo.transformImgTags(config, 'img', attribs);
  80             assert.deepStrictEqual(result, { tagName: 'img', attribs: attribs });
  81         });
  82
  83         it('fails gracefully', () => {
  84             const attribs = { src: 'http://abc.xyz/image.jpeg' };
  85             const config = new CamoConfig({ camo: { enabled: true }});
  86             config.getKey = () => { throw new Error('something happened'); };
  87             const result = Camo.transformImgTags(config, 'img', attribs);
  88             assert.deepStrictEqual(result, { tagName: 'img', attribs: attribs });
  89         });
  90     });
  91 });