├── .gitignore
├── .npmignore
├── .travis.yml
├── CHANGELOG.md
├── README.md
├── index.js
├── package-lock.json
├── package.json
└── test
    ├── express3-spec.js
    ├── express4-spec.js
    ├── index-spec.js
    └── support
        ├── express3
            ├── app.js
            ├── package.json
            ├── public
            │   ├── javascripts
            │   │   └── todo.js
            │   ├── partials
            │   │   └── todo.html
            │   └── stylesheets
            │   │   └── todo.css
            ├── routes
            │   ├── index.js
            │   └── user.js
            └── views
            │   ├── index.html
            │   └── index.jade
        └── express4
            ├── app.js
            ├── bin
                └── www
            ├── package.json
            ├── public
                ├── javascripts
                │   └── todo.js
                ├── partials
                │   └── todo.html
                └── stylesheets
                │   └── todo.css
            ├── routes
                ├── index.js
                └── users.js
            └── views
                ├── error.pug
                ├── index.html
                ├── index.pug
                └── layout.pug


/.gitignore:
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1 | node_modules
2 | .DS_Store


--------------------------------------------------------------------------------
/.npmignore:
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1 | test
2 | .travis.yml
3 | 


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/.travis.yml:
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1 | language: node_js
2 | node_js:
3 |   - "10"
4 | script:
5 |   - cd test/support/express3 && npm install
6 |   - cd ../express4 && npm install
7 |   - cd ../../..
8 |   - npm test
9 | 


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/CHANGELOG.md:
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  1 | ## 3.8.0 (2024-02-20)
  2 | Added:
  3 |  - Add X-Prerender-Int-Type to recognized user integration type
  4 | 
  5 | ## 3.7.0 (2023-05-22)
  6 | Added:
  7 |  - Add Google-InspectionTool to the recognized user agents
  8 | 
  9 | ## 3.6.0 (2023-03-15)
 10 | Added:
 11 | 
 12 | - .webp, .woff2 extensions to the list of extensions that are not prerendered
 13 | - Add AhrefsBot to the recognized user agents
 14 | - Add AhrefsSiteAudit to the recognized user agents
 15 | - Add Iframely to the recognized user agents
 16 | - Add screaming frog to the recognized user agents
 17 | 
 18 | ## 3.5.0 ()
 19 | Added:
 20 | 
 21 | - cancelRender flag in afterRender callback
 22 | 
 23 | ## 3.4.2 (2022-03-21)
 24 | Fixed:
 25 | 
 26 | - Extensions must be at the end of the pathname.
 27 | Solves cases when the URL contained pieces of extensions like www.example.com/this.is.data.of.something.html  -  In this case the because of .dat the URL was filtered
 28 | 
 29 | ## 3.4.1 (2022-01-17)
 30 | Added:
 31 | 
 32 | - Add seznam.cz bot to the recognized user agents
 33 | 
 34 | ## 3.4.0 (2021-11-09)
 35 | Changed:
 36 | 
 37 |   - Replace requests lib with the native nodejs http and https modules
 38 | 
 39 | ## 3.3.0 (2021-11-04)
 40 | Changed:
 41 | 
 42 |   - Add telegram bot to the recognized user agents
 43 | 
 44 | ## 3.2.5 (2019-07-30)
 45 | Changed:
 46 | 
 47 |   - Updated lodash and mocha to resolve security vulnerability warning
 48 | 
 49 | ## 3.2.4 (2019-04-08)
 50 | Changed:
 51 | 
 52 |   - Updated devDependencies to latest versions for running tests
 53 | 
 54 | ## 3.2.3 (2019-04-08)
 55 | Changed:
 56 | 
 57 |   - Modified request dependency from ^2.83.0 to ^2.88.0 and added package-lock.json file
 58 | 
 59 | ## 3.2.2 (2019-03-27)
 60 | Added:
 61 | 
 62 |   - Added Chrome-Lighthouse user agent so Google page speed insight tool will show prerendered pages
 63 | 
 64 | ## 3.2.1 (2018-08-29)
 65 | Added:
 66 | 
 67 |   - Looks like I accidentally added `yahoo` instead of `yandex` in the last commit. Fixing that by adding yandex now
 68 | 
 69 | ## 3.2.0 (2018-07-18)
 70 | Added:
 71 | 
 72 |   - Added Googlebot, Bingbot, and Yandex to user agent check for new Dynamic Rendering and phase-out of escaped fragment URLs
 73 |   - Added check for x-prerender header for mobile adaptive feature for websites that serve different HTML to mobile vs desktop crawlers
 74 | 
 75 | ## 3.1.1 (2018-03-01)
 76 | Changed:
 77 | 
 78 |   - Fixing test that checked for the old endpoint
 79 | 
 80 | ## 3.1.0 (2018-03-01)
 81 | Changed:
 82 | 
 83 |   - Point to https endpoint for prerender service instead of http
 84 | 
 85 | ## 3.0.0 (2018-03-01)
 86 | Removed:
 87 | 
 88 |   - Node 0.10 support
 89 |   - Node 0.12 support
 90 | 
 91 | Changed:
 92 | 
 93 |   - Bumped request dependency version
 94 | 
 95 | Added:
 96 | 
 97 |   - Node 8 to travis.yml
 98 | 
 99 | ## 2.8.0 (2018-02-21)
100 | Added:
101 | 
102 |   - Added Bitrix24 and Xing user agents.
103 | 
104 | ## 2.7.4 (2017-09-22)
105 | Changed:
106 | 
107 |   - Fixing wrong version of request. :)
108 | 
109 | ## 2.7.3 (2017-09-22)
110 | Changed:
111 | 
112 |   - Pinned node request module to 2.81.1 since they bumped a dependency version that required a newer version of node. prerender-node still supports older versions of node so pinned an earlier version of request until we officially dont support older versions of node.
113 | 
114 | ## 2.7.2 (2017-07-05)
115 | New features:
116 | 
117 |   - Added pinterestbot to user agents being checked.
118 | 
119 | ## 2.7.1 (2017-04-13)
120 | New features:
121 | 
122 |   - Added Qwantify to user agents being checked.
123 | 
124 | Changed
125 | 
126 |   - Added `host` parameter documentation to README
127 | 
128 | ## 2.7.0 (2016-12-20)
129 | New features:
130 | 
131 |   - Adds an option to be able to pass options to the request sent to the prerender.
132 | 
133 | 
134 | ## 2.6.0 (2016-12-13)
135 | New features:
136 | 
137 |   - Check for Google Page Speed user agent in order to send prerendered pages when URLs are tested through their tool
138 | 
139 | Changed
140 | 
141 |  - extensionsToIgnore check is now case insensitive
142 | 
143 | ## 2.5.0 (2016-10-26)
144 | 
145 | Changed
146 | 
147 |  - When creating the URL to send to Prerender, check to see if `x-forwarded-host` is set and use that before using the `host` header.
148 | 
149 | ## 2.4.0 (2016-8-30)
150 | 
151 | New features:
152 | 
153 |   - Check for Skype user agent in order to send prerendered pages when URLs are shared through Skype chat
154 |   - Check for nuzzel user agent
155 |   - Check for discordbot user agent
156 | 
157 | Changed
158 | 
159 |  - Don't send the `host` header if `forwardHeaders` is enabled to prevent issues with servers that take the Host header and apply it to the URL
160 | 
161 | ## 2.3.0 (2016-6-1)
162 | 
163 | New features:
164 | 
165 |   - Check for Tumblr user agent in order to send prerendered pages when URLs are shared through Tumblr
166 |   - Check for bitlybot user agent in order to send prerendered pages when URLs are shared through Bitly
167 | 
168 | ## 2.2.2 (2016-5-8)
169 | 
170 | Bugfixes:
171 | 
172 |   - fix compatibility with Node.js v6.0.0
173 | 
174 | ## 2.2.1 (2016-3-21)
175 | 
176 | Bugfixes:
177 | 
178 |   - Check for more specific pinterest crawler user agent since their iOS app changes the browser user agent to include "pinterest"
179 |   - Added svg to list of extensions to check
180 | 
181 | ## 2.2.0 (2015-12-29)
182 | 
183 | New features:
184 | 
185 |   - Check for Whatsapp user agent in order to send prerendered pages when URLs are shared through Whatsapp
186 | 
187 | ## 2.1.0 (2015-09-17)
188 | 
189 | New features:
190 | 
191 |   - Check for Applebot user agent in order to send prerendered pages to apple for Siri on iOS9
192 | 
193 | ## 2.0.2 (2015-07-24)
194 | 
195 | Bugfixes:
196 | 
197 |   - Make sure we pass through the error, request, and Prerender response to afterRender
198 | 
199 |     Fixed an issue where the original request and Prerender response wasn't getting passed to afterRender after recent change to pass err through. Now works correctly: `afterRender(err, req, prerenderResponse)`
200 | 
201 | ## 2.0.1 (2015-07-20)
202 | 
203 | Bugfixes:
204 | 
205 |   - Send HTTPS URLs through correctly.
206 | 
207 |     Fixed an issue where `http` was always added to the URLs sent to Prerender even if the URL was https.
208 | 
209 | ## 2.0.0 (2015-07-15)
210 | 
211 | Bugfixes:
212 | 
213 |   - Stop swallowing errors if the prerender service fails.
214 | 
215 |     Before: If the prerender service errors out (e.g., not available and the request times out), the error is swallowed and `next` called with no args.
216 | 
217 |     After: error is passed through to `next`, and `prerender.afterRenderFn` is handed `err` as the first arg. Makes it much easier to know if you're misconfiguring something or forgot to start the prerender server locally when testing.
218 | 


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/README.md:
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  1 | Prerender Node [![Build Status](https://travis-ci.org/prerender/prerender-node.png)](https://travis-ci.org/prerender/prerender-node) [![NPM version](https://badge.fury.io/js/prerender-node.png)](http://badge.fury.io/js/prerender-node)
  2 | ===========================
  3 | 
  4 | Google, Facebook, Twitter, and Bing are constantly trying to view your website... but Google is the only crawler that executes a meaningful amount of JavaScript and Google even admits that they can execute JavaScript weeks after actually crawling. Prerender allows you to serve the full HTML of your website back to Google and other crawlers so that they don't have to execute any JavaScript. [Google recommends using Prerender.io](https://developers.google.com/search/docs/guides/dynamic-rendering) to prevent indexation issues on sites with large amounts of JavaScript.
  5 | 
  6 | Prerender is perfect for Angular SEO, React SEO, Vue SEO, and any other JavaScript framework.
  7 | 
  8 | This middleware intercepts requests to your Node.js website from crawlers, and then makes a call to the (external) Prerender Service to get the static HTML instead of the JavaScript for that page. That HTML is then returned to the crawler.
  9 | 
 10 | via npm:
 11 | 
 12 |     $ npm install prerender-node --save
 13 | 
 14 | And when you set up your express app, add:
 15 | 
 16 | ```js
 17 | app.use(require('prerender-node'));
 18 | ```
 19 | 
 20 | or if you have an account on [prerender.io](https://prerender.io/) and want to use your token:
 21 | 
 22 | ```js
 23 | app.use(require('prerender-node').set('prerenderToken', 'YOUR_TOKEN'));
 24 | ```
 25 | 
 26 | `Note` If you're testing locally, you'll need to run the [prerender server](https://github.com/prerender/prerender) locally so that it has access to your server.
 27 | 
 28 | This middleware is tested with Express3 and Express4, but has no explicit dependency on either.
 29 | 
 30 | ## Testing
 31 | 
 32 | The best way to test the prerendered page is to [set the User Agent of your browser to Googlebot's user agent](https://developers.google.com/web/tools/chrome-devtools/device-mode/override-user-agent) and visit your URL directly. If you View Source on that URL, you should see the static HTML version of the page with the `<script>` tags removed from the page. If you still see `<script>` tags then that means the middleware isn't set up properly yet.
 33 | 
 34 | `Note` If you're testing locally, you'll need to run the [prerender server](https://github.com/prerender/prerender) locally so that it has access to your server.
 35 | 
 36 | ## How it works
 37 | 1. The middleware checks to make sure we should show a prerendered page
 38 | 	1. The middleware checks if the request is from a crawler by checking the user agent string against a default list of crawler user agents
 39 | 	2. The middleware checks to make sure we aren't requesting a resource (js, css, etc...)
 40 | 	3. (optional) The middleware checks to make sure the url is in the whitelist
 41 | 	4. (optional) The middleware checks to make sure the url isn't in the blacklist
 42 | 2. The middleware makes a `GET` request to the [prerender service](https://github.com/prerender/prerender) for the page's prerendered HTML
 43 | 3. Return that HTML to the crawler from your server
 44 | 
 45 | # Customization
 46 | 
 47 | ### Whitelist
 48 | 
 49 | Whitelist a single url path or multiple url paths. Compares using regex, so be specific when possible. If a whitelist is supplied, only urls containing a whitelist path will be prerendered.
 50 | ```js
 51 | app.use(require('prerender-node').whitelisted('^/search'));
 52 | ```
 53 | ```js
 54 | app.use(require('prerender-node').whitelisted(['/search', '/users/.*/profile']));
 55 | ```
 56 | 
 57 | ### Blacklist
 58 | 
 59 | Blacklist a single url path or multiple url paths. Compares using regex, so be specific when possible. If a blacklist is supplied, all url's will be prerendered except ones containing a blacklist path.
 60 | ```js
 61 | app.use(require('prerender-node').blacklisted('^/search'));
 62 | ```
 63 | ```js
 64 | app.use(require('prerender-node').blacklisted(['/search', '/users/.*/profile']));
 65 | ```
 66 | 
 67 | ### beforeRender
 68 | 
 69 | This method is intended to be used for caching, but could be used to save analytics or anything else you need to do for each crawler request. If you return a string from beforeRender, the middleware will serve that to the crawler (with status `200`) instead of making a request to the prerender service. If you return an object the middleware will look for a `status` and `body` property (defaulting to `200` and `""` respectively) and serve those instead.
 70 | ```js
 71 | app.use(require('prerender-node').set('beforeRender', function(req, done) {
 72 | 	// do whatever you need to do
 73 | 	done();
 74 | }));
 75 | ```
 76 | 
 77 | ### afterRender
 78 | 
 79 | This method is intended to be used for caching, but could be used to save analytics or anything else you need to do for each crawler request. This method is called after the prerender service returns HTML.
 80 | ```js
 81 | app.use(require('prerender-node').set('afterRender', function(err, req, prerender_res) {
 82 | 	// do whatever you need to do
 83 | }));
 84 | ```
 85 | 
 86 | You can also use `afterRender` to cancel the prerendered response and skip to the next middleware. For example, you may want to implement your own fallback behaviour for when Prerender returns errors or if the HTML is missing expected content. To cancel the render, return an object containing `cancelRender: true` from `afterRender`:
 87 | 
 88 | ```js
 89 | app.use(require('prerender-node').set('afterRender', function(err, req, prerender_res) {
 90 | 	if (err) {
 91 | 		return { cancelRender: true };
 92 | 	}
 93 | }));
 94 | ```
 95 | 
 96 | ### protocol
 97 | 
 98 | Option to hard-set the protocol. Useful for sites that are available on both http and https.
 99 | ```js
100 | app.use(require('prerender-node').set('protocol', 'https'));
101 | ```
102 | 
103 | ### host
104 | 
105 | Option to hard-set the host. Useful for sites that are behind a load balancer or internal reverse proxy.
106 | For example, your internal URL looks like `http://internal-host.com/` and you might want it to instead send
107 | a request to Prerender.io with your real domain in place of `internal-host.com`.
108 | ```js
109 | app.use(require('prerender-node').set('host', 'example.com'));
110 | ```
111 | 
112 | ### forwardHeaders
113 | 
114 | Option to forward headers from request to prerender.
115 | ```js
116 | app.use(require('prerender-node').set('forwardHeaders', true));
117 | ```
118 | 
119 | ### prerenderServerRequestOptions
120 | 
121 | Option to add options to the request sent to the prerender server.
122 | ```js
123 | app.use(require('prerender-node').set('prerenderServerRequestOptions', {}));
124 | ```
125 | 
126 | 
127 | 
128 | ## Caching
129 | 
130 | This express middleware is ready to be used with [redis](http://redis.io/) or [memcached](http://memcached.org/) to return prerendered pages in milliseconds.
131 | 
132 | When setting up the middleware, you can add a `beforeRender` function and `afterRender` function for caching.
133 | 
134 | Here's an example testing a local redis cache:
135 | 
136 | 	$ npm install redis
137 | 
138 | ```js
139 | var redis = require("redis"),
140 | 	client = redis.createClient();
141 | 
142 | prerender.set('beforeRender', function(req, done) {
143 | 	client.get(req.url, done);
144 | }).set('afterRender', function(err, req, prerender_res) {
145 | 	client.set(req.url, prerender_res.body)
146 | });
147 | ```
148 | 
149 | or
150 | 
151 | ```js
152 | var redis = require("redis"),
153 | client = redis.createClient(),
154 | cacheableStatusCodes = {200: true, 302: true, 404: true};
155 | 
156 | prerender.set('beforeRender', function(req, done) {
157 |   client.hmget(req.url, 'body', 'status', function (err, fields) {
158 |     if (err) return done(err);
159 |     done(err, {body: fields[0], status: fields[1]});
160 |   });
161 | }).set('afterRender', function(err, req, prerender_res) {
162 |   // Don't cache responses that might be temporary like 500 or 504.
163 |   if (cacheableStatusCodes[prerender_res.statusCode]) {
164 |     client.hmset(req.url, 'body', prerender_res.body, 'status', prerender_res.statusCode);
165 |   }
166 | });
167 | ```
168 | 
169 | 
170 | ## Using your own prerender service
171 | 
172 | We host a Prerender server at [prerender.io](https://prerender.io/) so that you can work on more important things, but if you've deployed the prerender service on your own... set the `PRERENDER_SERVICE_URL` environment variable so that this middleware points there instead. Otherwise, it will default to the service already deployed by [prerender.io](https://prerender.io/).
173 | 
174 | 	$ export PRERENDER_SERVICE_URL=<new url>
175 | 
176 | Or on heroku:
177 | 
178 | 	$ heroku config:set PRERENDER_SERVICE_URL=<new url>
179 | 
180 | As an alternative, you can pass `prerenderServiceUrl` in the options object during initialization of the middleware
181 | 
182 | ```js
183 | app.use(require('prerender-node').set('prerenderServiceUrl', '<new url>'));
184 | ```
185 | 
186 | ## Contributing
187 | 
188 | We love any contributions! Feel free to create issues, pull requests, or middleware for other languages/frameworks!
189 | 
190 | ## License
191 | 
192 | The MIT License (MIT)
193 | 
194 | Copyright (c) 2013 Todd Hooper &lt;todd@prerender.io&gt;
195 | 
196 | Permission is hereby granted, free of charge, to any person obtaining a copy
197 | of this software and associated documentation files (the "Software"), to deal
198 | in the Software without restriction, including without limitation the rights
199 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
200 | copies of the Software, and to permit persons to whom the Software is
201 | furnished to do so, subject to the following conditions:
202 | 
203 | The above copyright notice and this permission notice shall be included in
204 | all copies or substantial portions of the Software.
205 | 
206 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
207 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
208 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
209 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
210 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
211 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
212 | THE SOFTWARE.
213 | 


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/index.js:
--------------------------------------------------------------------------------
  1 | var http = require('http')
  2 |   , https = require('https')
  3 |   , url = require('url')
  4 |   , zlib = require('zlib');
  5 | 
  6 | const adapters = { 'http:': http, 'https:': https};
  7 | 
  8 | var prerender = module.exports = function(req, res, next) {
  9 |   if(!prerender.shouldShowPrerenderedPage(req)) return next();
 10 | 
 11 |   prerender.beforeRenderFn(req, function(err, cachedRender) {
 12 | 
 13 |     if (!err && cachedRender) {
 14 |       if (typeof cachedRender == 'string') {
 15 |         res.writeHead(200, {
 16 |           "Content-Type": "text/html"
 17 |         });
 18 |         return res.end(cachedRender);
 19 |       } else if (typeof cachedRender == 'object') {
 20 |         res.writeHead(cachedRender.status || 200, {
 21 |           "Content-Type": "text/html"
 22 |         });
 23 |         return res.end(cachedRender.body || '');
 24 |       }
 25 |     }
 26 | 
 27 |     prerender.getPrerenderedPageResponse(req, function(err, prerenderedResponse){
 28 |       var options = prerender.afterRenderFn(err, req, prerenderedResponse);
 29 |       if (options && options.cancelRender) {
 30 |         return next();
 31 |       }
 32 | 
 33 |       if(prerenderedResponse){
 34 |         res.writeHead(prerenderedResponse.statusCode, prerenderedResponse.headers);
 35 |         return res.end(prerenderedResponse.body);
 36 |       } else {
 37 |         next(err);
 38 |       }
 39 |     });
 40 |   });
 41 | };
 42 | 
 43 | prerender.crawlerUserAgents = [
 44 |   'googlebot',
 45 |   'Google-InspectionTool',
 46 |   'Yahoo! Slurp',
 47 |   'bingbot',
 48 |   'yandex',
 49 |   'baiduspider',
 50 |   'facebookexternalhit',
 51 |   'twitterbot',
 52 |   'rogerbot',
 53 |   'linkedinbot',
 54 |   'embedly',
 55 |   'quora link preview',
 56 |   'showyoubot',
 57 |   'outbrain',
 58 |   'pinterest/0.',
 59 |   'developers.google.com/+/web/snippet',
 60 |   'slackbot',
 61 |   'vkShare',
 62 |   'W3C_Validator',
 63 |   'redditbot',
 64 |   'Applebot',
 65 |   'WhatsApp',
 66 |   'flipboard',
 67 |   'tumblr',
 68 |   'bitlybot',
 69 |   'SkypeUriPreview',
 70 |   'nuzzel',
 71 |   'Discordbot',
 72 |   'Google Page Speed',
 73 |   'Qwantify',
 74 |   'pinterestbot',
 75 |   'Bitrix link preview',
 76 |   'XING-contenttabreceiver',
 77 |   'Chrome-Lighthouse',
 78 |   'TelegramBot',
 79 |   'SeznamBot',
 80 |   'screaming frog SEO spider',
 81 |   'AhrefsBot',
 82 |   'AhrefsSiteAudit',
 83 |   'Iframely'
 84 | ];
 85 | 
 86 | 
 87 | prerender.extensionsToIgnore = [
 88 |   '.js',
 89 |   '.css',
 90 |   '.xml',
 91 |   '.less',
 92 |   '.png',
 93 |   '.jpg',
 94 |   '.jpeg',
 95 |   '.gif',
 96 |   '.pdf',
 97 |   '.doc',
 98 |   '.txt',
 99 |   '.ico',
100 |   '.rss',
101 |   '.zip',
102 |   '.mp3',
103 |   '.rar',
104 |   '.exe',
105 |   '.wmv',
106 |   '.doc',
107 |   '.avi',
108 |   '.ppt',
109 |   '.mpg',
110 |   '.mpeg',
111 |   '.tif',
112 |   '.wav',
113 |   '.mov',
114 |   '.psd',
115 |   '.ai',
116 |   '.xls',
117 |   '.mp4',
118 |   '.m4a',
119 |   '.swf',
120 |   '.dat',
121 |   '.dmg',
122 |   '.iso',
123 |   '.flv',
124 |   '.m4v',
125 |   '.torrent',
126 |   '.woff',
127 |   '.woff2',
128 |   '.ttf',
129 |   '.svg',
130 |   '.webmanifest',
131 |   '.webp'
132 | ];
133 | 
134 | 
135 | prerender.whitelisted = function(whitelist) {
136 |   prerender.whitelist = typeof whitelist === 'string' ? [whitelist] : whitelist;
137 |   return this;
138 | };
139 | 
140 | 
141 | prerender.blacklisted = function(blacklist) {
142 |   prerender.blacklist = typeof blacklist === 'string' ? [blacklist] : blacklist;
143 |   return this;
144 | };
145 | 
146 | 
147 | prerender.shouldShowPrerenderedPage = function(req) {
148 |   var userAgent = req.headers['user-agent']
149 |     , bufferAgent = req.headers['x-bufferbot']
150 |     , isRequestingPrerenderedPage = false;
151 | 
152 |   if(!userAgent) return false;
153 |   if(req.method != 'GET' && req.method != 'HEAD') return false;
154 |   if(req.headers && req.headers['x-prerender']) return false;
155 | 
156 |   var parsedUrl = url.parse(req.url, true);
157 |   //if it contains _escaped_fragment_, show prerendered page
158 |   var parsedQuery = parsedUrl.query;
159 |   if(parsedQuery && parsedQuery['_escaped_fragment_'] !== undefined) isRequestingPrerenderedPage = true;
160 | 
161 |   //if it is a bot...show prerendered page
162 |   if(prerender.crawlerUserAgents.some(function(crawlerUserAgent){ return userAgent.toLowerCase().indexOf(crawlerUserAgent.toLowerCase()) !== -1;})) isRequestingPrerenderedPage = true;
163 | 
164 |   //if it is BufferBot...show prerendered page
165 |   if(bufferAgent) isRequestingPrerenderedPage = true;
166 | 
167 |   //if it is a bot and is requesting a resource...dont prerender
168 |   var parsedPathname = parsedUrl.pathname.toLowerCase();
169 |   if(prerender.extensionsToIgnore.some(function(extension){return parsedPathname.endsWith(extension)})) return false;
170 | 
171 |   //if it is a bot and not requesting a resource and is not whitelisted...dont prerender
172 |   if(Array.isArray(this.whitelist) && this.whitelist.every(function(whitelisted){return (new RegExp(whitelisted)).test(req.url) === false;})) return false;
173 | 
174 |   //if it is a bot and not requesting a resource and is not blacklisted(url or referer)...dont prerender
175 |   if(Array.isArray(this.blacklist) && this.blacklist.some(function(blacklisted){
176 |     var blacklistedUrl = false
177 |       , blacklistedReferer = false
178 |       , regex = new RegExp(blacklisted);
179 | 
180 |     blacklistedUrl = regex.test(req.url) === true;
181 |     if(req.headers['referer']) blacklistedReferer = regex.test(req.headers['referer']) === true;
182 | 
183 |     return blacklistedUrl || blacklistedReferer;
184 |   })) return false;
185 | 
186 |   return isRequestingPrerenderedPage;
187 | };
188 | 
189 | 
190 | prerender.prerenderServerRequestOptions = {};
191 | 
192 | prerender.getPrerenderedPageResponse = function(req, callback) {
193 |   var options = {
194 |     headers: {}
195 |   };
196 |   for (var attrname in this.prerenderServerRequestOptions) { options[attrname] = this.prerenderServerRequestOptions[attrname]; }
197 |   if (this.forwardHeaders === true) {
198 |     Object.keys(req.headers).forEach(function(h) {
199 |       // Forwarding the host header can cause issues with server platforms that require it to match the URL
200 |       if (h == 'host') {
201 |         return;
202 |       }
203 |       options.headers[h] = req.headers[h];
204 |     });
205 |   }
206 |   options.headers['User-Agent'] = req.headers['user-agent'];
207 |   options.headers['X-Prerender-Int-Type']= 'Node';
208 |   options.headers['Accept-Encoding'] = 'gzip';
209 |   if(this.prerenderToken || process.env.PRERENDER_TOKEN) {
210 |     options.headers['X-Prerender-Token'] = this.prerenderToken || process.env.PRERENDER_TOKEN;
211 |   }
212 | 
213 |   const url = new URL(prerender.buildApiUrl(req));
214 |   // Dynamically use "http" or "https" module, since process.env.PRERENDER_SERVICE_URL can be set to http protocol
215 |   adapters[url.protocol].get(url, options, (response) => {
216 |     if(response.headers['content-encoding'] && response.headers['content-encoding'] === 'gzip') {
217 |       prerender.gunzipResponse(response, callback);
218 |     } else {
219 |       prerender.plainResponse(response, callback);
220 |     }
221 |   }).on('error', function(err) {
222 |     callback(err);
223 |   });
224 | 
225 | };
226 | 
227 | prerender.gunzipResponse = function(response, callback) {
228 |   var gunzip = zlib.createGunzip()
229 |     , content = '';
230 | 
231 |   gunzip.on('data', function(chunk) {
232 |     content += chunk;
233 |   });
234 |   gunzip.on('end', function() {
235 |     response.body = content;
236 |     delete response.headers['content-encoding'];
237 |     delete response.headers['content-length'];
238 |     callback(null, response);
239 |   });
240 |   gunzip.on('error', function(err){
241 |     callback(err);
242 |   });
243 | 
244 |   response.pipe(gunzip);
245 | };
246 | 
247 | prerender.plainResponse = function(response, callback) {
248 |   var content = '';
249 | 
250 |   response.on('data', function(chunk) {
251 |     content += chunk;
252 |   });
253 |   response.on('end', function() {
254 |     response.body = content;
255 |     callback(null, response);
256 |   });
257 | };
258 | 
259 | 
260 | prerender.buildApiUrl = function(req) {
261 |   var prerenderUrl = prerender.getPrerenderServiceUrl();
262 |   var forwardSlash = prerenderUrl.indexOf('/', prerenderUrl.length - 1) !== -1 ? '' : '/';
263 | 
264 |   var protocol = req.connection.encrypted ? "https" : "http";
265 |   if (req.headers['cf-visitor']) {
266 |     var match = req.headers['cf-visitor'].match(/"scheme":"(http|https)"/);
267 |     if (match) protocol = match[1];
268 |   }
269 |   if (req.headers['x-forwarded-proto']) {
270 |     protocol = req.headers['x-forwarded-proto'].split(',')[0];
271 |   }
272 |   if (this.protocol) {
273 |     protocol = this.protocol;
274 |   }
275 |   var fullUrl = protocol + "://" + (this.host || req.headers['x-forwarded-host'] || req.headers['host']) + req.url;
276 |   return prerenderUrl + forwardSlash + fullUrl;
277 | };
278 | 
279 | prerender.getPrerenderServiceUrl = function() {
280 |   return this.prerenderServiceUrl || process.env.PRERENDER_SERVICE_URL || 'https://service.prerender.io/';
281 | };
282 | 
283 | prerender.beforeRenderFn = function(req, done) {
284 |   if (!this.beforeRender) return done();
285 | 
286 |   return this.beforeRender(req, done);
287 | };
288 | 
289 | 
290 | prerender.afterRenderFn = function(err, req, prerender_res) {
291 |   if (!this.afterRender) return;
292 | 
293 |   return this.afterRender(err, req, prerender_res);
294 | };
295 | 
296 | 
297 | prerender.set = function(name, value) {
298 |   this[name] = value;
299 |   return this;
300 | };
301 | 


--------------------------------------------------------------------------------
/package-lock.json:
--------------------------------------------------------------------------------
   1 | {
   2 |   "name": "prerender-node",
   3 |   "version": "3.8.0",
   4 |   "lockfileVersion": 3,
   5 |   "requires": true,
   6 |   "packages": {
   7 |     "": {
   8 |       "name": "prerender-node",
   9 |       "version": "3.8.0",
  10 |       "license": "MIT",
  11 |       "devDependencies": {
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  13 |         "nock": "^11.9.1",
  14 |         "request": "^2.88.2",
  15 |         "sinon": "^7.3.1",
  16 |         "supertest": "^4.0.2"
  17 |       }
  18 |     },
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  23 |       "dev": true,
  24 |       "dependencies": {
  25 |         "type-detect": "4.0.8"
  26 |       }
  27 |     },
  28 |     "node_modules/@sinonjs/formatio": {
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  32 |       "dev": true,
  33 |       "dependencies": {
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  36 |       }
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  59 |       "dev": true,
  60 |       "dependencies": {
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  65 |       },
  66 |       "funding": {
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  68 |         "url": "https://github.com/sponsors/epoberezkin"
  69 |       }
  70 |     },
  71 |     "node_modules/ansi-colors": {
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  75 |       "dev": true,
  76 |       "engines": {
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 105 |       "dev": true,
 106 |       "dependencies": {
 107 |         "sprintf-js": "~1.0.2"
 108 |       }
 109 |     },
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 111 |       "version": "2.1.1",
 112 |       "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
 113 |       "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
 114 |       "dev": true
 115 |     },
 116 |     "node_modules/asn1": {
 117 |       "version": "0.2.6",
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 120 |       "dev": true,
 121 |       "dependencies": {
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 138 |       "dev": true
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 143 |       "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
 144 |       "dev": true,
 145 |       "engines": {
 146 |         "node": "*"
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 153 |       "dev": true
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 157 |       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
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 159 |       "dev": true
 160 |     },
 161 |     "node_modules/bcrypt-pbkdf": {
 162 |       "version": "1.0.2",
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 165 |       "dev": true,
 166 |       "dependencies": {
 167 |         "tweetnacl": "^0.14.3"
 168 |       }
 169 |     },
 170 |     "node_modules/brace-expansion": {
 171 |       "version": "1.1.11",
 172 |       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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 175 |       "dependencies": {
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 196 |         "url": "https://github.com/sponsors/ljharb"
 197 |       }
 198 |     },
 199 |     "node_modules/camelcase": {
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 290 |       "dev": true,
 291 |       "dependencies": {
 292 |         "color-name": "1.1.3"
 293 |       }
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 296 |       "version": "1.1.3",
 297 |       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
 298 |       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
 299 |       "dev": true
 300 |     },
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 302 |       "version": "1.0.8",
 303 |       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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 305 |       "dev": true,
 306 |       "dependencies": {
 307 |         "delayed-stream": "~1.0.0"
 308 |       },
 309 |       "engines": {
 310 |         "node": ">= 0.8"
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 312 |     },
 313 |     "node_modules/component-emitter": {
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 316 |       "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
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1965 |     },
1966 |     "node_modules/wrap-ansi/node_modules/strip-ansi": {
1967 |       "version": "5.2.0",
1968 |       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
1969 |       "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
1970 |       "dev": true,
1971 |       "dependencies": {
1972 |         "ansi-regex": "^4.1.0"
1973 |       },
1974 |       "engines": {
1975 |         "node": ">=6"
1976 |       }
1977 |     },
1978 |     "node_modules/wrappy": {
1979 |       "version": "1.0.2",
1980 |       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
1981 |       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
1982 |       "dev": true
1983 |     },
1984 |     "node_modules/y18n": {
1985 |       "version": "4.0.3",
1986 |       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
1987 |       "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
1988 |       "dev": true
1989 |     },
1990 |     "node_modules/yargs": {
1991 |       "version": "13.3.2",
1992 |       "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
1993 |       "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
1994 |       "dev": true,
1995 |       "dependencies": {
1996 |         "cliui": "^5.0.0",
1997 |         "find-up": "^3.0.0",
1998 |         "get-caller-file": "^2.0.1",
1999 |         "require-directory": "^2.1.1",
2000 |         "require-main-filename": "^2.0.0",
2001 |         "set-blocking": "^2.0.0",
2002 |         "string-width": "^3.0.0",
2003 |         "which-module": "^2.0.0",
2004 |         "y18n": "^4.0.0",
2005 |         "yargs-parser": "^13.1.2"
2006 |       }
2007 |     },
2008 |     "node_modules/yargs-parser": {
2009 |       "version": "13.1.2",
2010 |       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
2011 |       "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
2012 |       "dev": true,
2013 |       "dependencies": {
2014 |         "camelcase": "^5.0.0",
2015 |         "decamelize": "^1.2.0"
2016 |       }
2017 |     },
2018 |     "node_modules/yargs-unparser": {
2019 |       "version": "1.6.0",
2020 |       "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
2021 |       "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
2022 |       "dev": true,
2023 |       "dependencies": {
2024 |         "flat": "^4.1.0",
2025 |         "lodash": "^4.17.15",
2026 |         "yargs": "^13.3.0"
2027 |       },
2028 |       "engines": {
2029 |         "node": ">=6"
2030 |       }
2031 |     },
2032 |     "node_modules/yargs/node_modules/ansi-regex": {
2033 |       "version": "4.1.0",
2034 |       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
2035 |       "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
2036 |       "dev": true,
2037 |       "engines": {
2038 |         "node": ">=6"
2039 |       }
2040 |     },
2041 |     "node_modules/yargs/node_modules/string-width": {
2042 |       "version": "3.1.0",
2043 |       "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
2044 |       "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
2045 |       "dev": true,
2046 |       "dependencies": {
2047 |         "emoji-regex": "^7.0.1",
2048 |         "is-fullwidth-code-point": "^2.0.0",
2049 |         "strip-ansi": "^5.1.0"
2050 |       },
2051 |       "engines": {
2052 |         "node": ">=6"
2053 |       }
2054 |     },
2055 |     "node_modules/yargs/node_modules/strip-ansi": {
2056 |       "version": "5.2.0",
2057 |       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
2058 |       "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
2059 |       "dev": true,
2060 |       "dependencies": {
2061 |         "ansi-regex": "^4.1.0"
2062 |       },
2063 |       "engines": {
2064 |         "node": ">=6"
2065 |       }
2066 |     }
2067 |   }
2068 | }
2069 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "prerender-node",
 3 |   "version": "3.8.0",
 4 |   "description": "express middleware for serving prerendered javascript-rendered pages for SEO",
 5 |   "author": "Todd Hooper",
 6 |   "license": "MIT",
 7 |   "main": "index.js",
 8 |   "repository": {
 9 |     "type": "git",
10 |     "url": "git://github.com/prerender/prerender-node"
11 |   },
12 |   "keywords": [
13 |     "angular",
14 |     "backbone",
15 |     "emberjs",
16 |     "seo"
17 |   ],
18 |   "devDependencies": {
19 |     "mocha": "^6.2.0",
20 |     "nock": "^11.9.1",
21 |     "request": "^2.88.2",
22 |     "sinon": "^7.3.1",
23 |     "supertest": "^4.0.2"
24 |   },
25 |   "scripts": {
26 |     "test": "echo 'Make sure to unset PRERENDER_SERVICE_URL when running locally' && ./node_modules/.bin/mocha"
27 |   }
28 | }
29 | 


--------------------------------------------------------------------------------
/test/express3-spec.js:
--------------------------------------------------------------------------------
 1 | var supertest = require('supertest')
 2 |   , nock = require('nock')
 3 |   , request = require('request');
 4 | 
 5 | describe('prerender-node in Express 3', function(){
 6 | 
 7 |   it('responds with prerendered content', function(done){
 8 |     var expectedGETregex = /\/http:\/\/127.0.0.1:[0-9]*\/\?_escaped_fragment_=/
 9 | 
10 |     mockRequestToPrerenderService = nock('https://service.prerender.io')
11 |       .filteringPath(function(path){
12 |         return '/';
13 |       })
14 |       .filteringPath(expectedGETregex, '/replace-me')
15 |       .get('/replace-me')
16 |       .reply(200, 'cached content')
17 | 
18 |     app = require('./support/express3/app');
19 |     supertest(app)
20 |       .get('/?_escaped_fragment_=')
21 |       .set('User-Agent', "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)")
22 |       .expect(200)
23 |       .expect('cached content')
24 |       .end(function(err){
25 |         mockRequestToPrerenderService.done();
26 |         app.serverForTests.close();
27 |         done(err);
28 |       })
29 |   });
30 | });
31 | 


--------------------------------------------------------------------------------
/test/express4-spec.js:
--------------------------------------------------------------------------------
 1 | var supertest = require('supertest')
 2 |   , nock = require('nock')
 3 |   , request = require('request');
 4 | 
 5 | describe('prerender-node in Express 4', function(){
 6 | 
 7 |   it('responds with prerendered content', function(done){
 8 |     var expectedGETregex = /\/http:\/\/127.0.0.1:[0-9]*\/\?_escaped_fragment_=/
 9 | 
10 |     mockRequestToPrerenderService = nock('https://service.prerender.io')
11 |       .filteringPath(function(path){
12 |         return '/';
13 |       })
14 |       .filteringPath(expectedGETregex, '/replace-me')
15 |       .get('/replace-me')
16 |       .reply(200, 'cached content')
17 | 
18 |     app = require('./support/express4/app');
19 |     supertest(app)
20 |       .get('/?_escaped_fragment_=')
21 |       .set('User-Agent', "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)")
22 |       .expect(200)
23 |       .expect('cached content')
24 |       .end(function(err){
25 |         mockRequestToPrerenderService.done();
26 |         app.serverForTests.close();
27 |         done(err);
28 |       })
29 |   });
30 | });
31 | 


--------------------------------------------------------------------------------
/test/index-spec.js:
--------------------------------------------------------------------------------
  1 | var assert = require('assert')
  2 |   , sinon = require('sinon')
  3 |   , nock = require('nock')
  4 |   , prerender = require('../index')
  5 |   , request    = require('request')
  6 |   , zlib = require('zlib')
  7 |   , bot = 'Baiduspider+(+http://www.baidu.com/search/spider.htm)'
  8 |   , user = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.76 Safari/537.36';
  9 | 
 10 | var mockSuccessfulPrerender = function(){
 11 |   var req = { method: 'GET', url: '/path', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
 12 | 
 13 |   nock('https://service.prerender.io', {
 14 |     reqheaders: {
 15 |       'x-prerender-token': 'MY_TOKEN',
 16 |       'Accept-Encoding': 'gzip'
 17 |     }
 18 |   })
 19 |   .get('/http://google.com/path')
 20 |   .reply(200, '<html></html>');
 21 | 
 22 |   return req;
 23 | }
 24 | 
 25 | describe ('Prerender', function(){
 26 | 
 27 |   describe('#prerender', function(){
 28 | 
 29 |     var sandbox, res, next;
 30 | 
 31 |     beforeEach(function () {
 32 | 
 33 |       sandbox = sinon.createSandbox();
 34 | 
 35 |       prerender.prerenderToken = 'MY_TOKEN';
 36 |       res = { writeHead: sandbox.stub(), end: sandbox.stub() };
 37 |       next = sandbox.stub();
 38 |     });
 39 | 
 40 |     afterEach(function () {
 41 |       sandbox.restore();
 42 |     });
 43 | 
 44 |     it('should return a prerendered response with the returned status code and headers', function(done){
 45 |       var req = { method: 'GET', url: '/', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
 46 | 
 47 |       nock('https://service.prerender.io', {
 48 |         reqheaders: {
 49 |           'x-prerender-token': 'MY_TOKEN',
 50 |           'Accept-Encoding': 'gzip'
 51 |         }
 52 |       }).get('/http://google.com/')
 53 |       .reply(301, '<html></html>', {
 54 |         Location: 'http://google.com'
 55 |       });
 56 | 
 57 |       res.end = sandbox.spy(function(){
 58 |         assert.equal(next.callCount, 0);
 59 |         assert.equal(res.writeHead.callCount, 1);
 60 |         assert.equal(res.end.callCount, 1);
 61 |         assert.deepEqual(res.writeHead.getCall(0).args[1], { 'location': 'http://google.com'});
 62 |         assert.equal(res.end.getCall(0).args[0], '<html></html>');
 63 |         assert.equal(res.writeHead.getCall(0).args[0], 301);
 64 |         done();
 65 |       });
 66 | 
 67 |       prerender(req, res, next);
 68 | 
 69 |     });
 70 | 
 71 | 
 72 |     it('should return a prerendered response if user is a bot by checking for _escaped_fragment_', function(done){
 73 |       var req = { method: 'GET', url: '/path?_escaped_fragment_=', headers: { 'user-agent': user, host: 'google.com' }, connection: { encrypted: false } };
 74 | 
 75 |       nock('https://service.prerender.io', {
 76 |         reqheaders: {
 77 |           'x-prerender-token': 'MY_TOKEN',
 78 |           'Accept-Encoding': 'gzip'
 79 |         }
 80 |       })
 81 |       .get('/http://google.com/path')
 82 |       .query({_escaped_fragment_: ''})
 83 |       .reply(200, '<html></html>');
 84 | 
 85 |       res.end = sandbox.spy(function(){
 86 |         assert.equal(next.callCount, 0);
 87 |         assert.equal(res.writeHead.callCount, 1);
 88 |         assert.equal(res.writeHead.getCall(0).args[0], 200);
 89 |         assert.equal(res.end.callCount, 1);
 90 |         assert.equal(res.end.getCall(0).args[0], '<html></html>');
 91 |         done();
 92 |       });
 93 | 
 94 |       prerender(req, res, next);
 95 | 
 96 |     });
 97 | 
 98 |     it('should return a prerendered gzipped response', function(done){
 99 |       var req = { method: 'GET', url: '/path?_escaped_fragment_=', headers: { 'user-agent': user, host: 'google.com' }, connection: { encrypted: false } };
100 | 
101 |       res.end = function (content) {
102 |         assert.equal(res.writeHead.callCount, 1);
103 |         assert.equal(res.writeHead.getCall(0).args[0], 200);
104 |         assert.equal(next.callCount, 0);
105 |         assert.equal(content, '<html></html>');
106 |         done();
107 |       };
108 | 
109 |       zlib.gzip(Buffer.from('<html></html>', 'utf-8'), function (err, zipped) {
110 |         nock('https://service.prerender.io', {
111 |           reqheaders: {
112 |             'x-prerender-token': 'MY_TOKEN',
113 |             'Accept-Encoding': 'gzip'
114 |           }
115 |         })
116 |         .get('/http://google.com/path')
117 |         .query({_escaped_fragment_: ''})
118 |         .reply(200, [zipped], {'content-encoding': 'gzip'});
119 | 
120 |         prerender(req, res, next);
121 |       });
122 | 
123 |     });
124 | 
125 |     it('should call next() if the url is a bad url with _escaped_fragment_', function(){
126 |       var req = { method: 'GET', url: '/path?query=params?_escaped_fragment_=', headers: { 'user-agent': user } };
127 | 
128 |       prerender(req, res, next);
129 | 
130 |       assert.equal(next.callCount, 1);
131 |       assert.equal(res.writeHead.callCount, 0);
132 |       assert.equal(res.end.callCount, 0);
133 |     });
134 | 
135 |     it('should call next() if the request is not a GET', function(){
136 |       var req = { method: 'POST', url: '/path', headers: { 'user-agent': user } };
137 | 
138 |       prerender(req, res, next);
139 | 
140 |       assert.equal(next.callCount, 1);
141 |       assert.equal(res.writeHead.callCount, 0);
142 |       assert.equal(res.end.callCount, 0);
143 |     });
144 | 
145 |     it('should call next() if user is not a bot by checking agent string', function(){
146 |       var req = { method: 'GET', url: '/', headers: { 'user-agent': user } };
147 | 
148 |       prerender(req, res, next);
149 | 
150 |       assert.equal(next.callCount, 1);
151 |       assert.equal(res.writeHead.callCount, 0);
152 |       assert.equal(res.end.callCount, 0);
153 |     });
154 | 
155 |     it('should call next() if user is a bot, but the bot is requesting a resource file', function(){
156 |       var req = { method: 'GET', url: '/main.js?anyQueryParam=true', headers: { 'user-agent': bot } };
157 | 
158 |       prerender(req, res, next);
159 | 
160 |       assert.equal(next.callCount, 1);
161 |       assert.equal(res.writeHead.callCount, 0);
162 |       assert.equal(res.end.callCount, 0);
163 |     });
164 | 
165 |     it('should call next() if the url is not part of the regex specific whitelist', function(){
166 |       var req = { method: 'GET', url: '/saved/search/blah?_escaped_fragment_=', headers: { 'user-agent': bot }, connection: { encrypted: false } };
167 | 
168 |       prerender.whitelisted(['^/search', '/help'])(req, res, next);
169 | 
170 |       delete prerender.whitelist;
171 |       assert.equal(next.callCount, 1);
172 |       assert.equal(res.writeHead.callCount, 0);
173 |       assert.equal(res.end.callCount, 0);
174 |     });
175 | 
176 |     it('should return a prerendered response if the url is part of the regex specific whitelist', function(done){
177 |       var req = { method: 'GET', url: '/search/things?query=blah&_escaped_fragment_=', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
178 | 
179 |       nock('https://service.prerender.io', {
180 |         reqheaders: {
181 |           'x-prerender-token': 'MY_TOKEN',
182 |           'Accept-Encoding': 'gzip'
183 |         }
184 |       })
185 |       .get('/http://google.com/search/things')
186 |       .query({
187 |         _escaped_fragment_: '',
188 |         query: 'blah'
189 |       })
190 |       .reply(200, '<html></html>');
191 | 
192 |       res.end = sandbox.spy(function(){
193 |         assert.equal(next.callCount, 0);
194 |         assert.equal(res.writeHead.callCount, 1);
195 |         assert.equal(res.writeHead.getCall(0).args[0], 200);
196 |         assert.equal(res.end.callCount, 1);
197 |         assert.equal(res.end.getCall(0).args[0], '<html></html>');
198 |         done();
199 |       });
200 | 
201 |       prerender.whitelisted(['^/search.*query', '/help'])(req, res, next);
202 |       delete prerender.whitelist;
203 | 
204 |     });
205 | 
206 |     it('should call next() if the url is part of the regex specific blacklist', function(){
207 |       var req = { method: 'GET', url: '/search/things?query=blah', headers: { 'user-agent': bot }, connection: { encrypted: false } };
208 | 
209 |       prerender.blacklisted(['^/search', '/help'])(req, res, next);
210 | 
211 |       delete prerender.blacklist;
212 |       assert.equal(next.callCount, 1);
213 |       assert.equal(res.writeHead.callCount, 0);
214 |       assert.equal(res.end.callCount, 0);
215 |     });
216 | 
217 |     it('should return a prerendered response if the url is not part of the regex specific blacklist', function(done){
218 |       var req = { method: 'GET', url: '/profile/search/blah', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
219 | 
220 | 
221 |       nock('https://service.prerender.io', {
222 |         reqheaders: {
223 |           'x-prerender-token': 'MY_TOKEN',
224 |           'Accept-Encoding': 'gzip'
225 |         }
226 |       })
227 |       .get('/http://google.com/profile/search/blah')
228 |       .reply(200, '<html></html>');
229 | 
230 |       res.end = sandbox.spy(function(){
231 |         assert.equal(next.callCount, 0);
232 |         assert.equal(res.writeHead.callCount, 1);
233 |         assert.equal(res.writeHead.getCall(0).args[0], 200);
234 |         assert.equal(res.end.callCount, 1);
235 |         assert.equal(res.end.getCall(0).args[0], '<html></html>');
236 |         done();
237 |       });
238 | 
239 |       prerender.blacklisted(['^/search', '/help'])(req, res, next);
240 |       delete prerender.blacklist;
241 | 
242 |     });
243 | 
244 |     it('should call next() if the referer is part of the regex specific blacklist', function(){
245 |       var req = { method: 'GET', url: '/api/results', headers: { referer: '/search', 'user-agent': bot }, connection: { encrypted: false } };
246 | 
247 |       prerender.blacklisted(['^/search', '/help'])(req, res, next);
248 | 
249 |       delete prerender.blacklist;
250 |       assert.equal(next.callCount, 1);
251 |       assert.equal(res.writeHead.callCount, 0);
252 |       assert.equal(res.end.callCount, 0);
253 |     });
254 | 
255 |     it('should return a prerendered response if the referer is not part of the regex specific blacklist', function(done){
256 |       var req = { method: 'GET', url: '/api/results', headers: { referer: '/profile/search', 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
257 | 
258 |       nock('https://service.prerender.io', {
259 |         reqheaders: {
260 |           'x-prerender-token': 'MY_TOKEN',
261 |           'Accept-Encoding': 'gzip'
262 |         }
263 |       })
264 |       .get('/http://google.com/api/results')
265 |       .reply(200, '<html></html>');
266 | 
267 |       res.end = sandbox.spy(function(){
268 |         assert.equal(next.callCount, 0);
269 |         assert.equal(res.writeHead.callCount, 1);
270 |         assert.equal(res.writeHead.getCall(0).args[0], 200);
271 |         assert.equal(res.end.callCount, 1);
272 |         assert.equal(res.end.getCall(0).args[0], '<html></html>');
273 |         done();
274 |       });
275 | 
276 |       prerender.blacklisted(['^/search', '/help'])(req, res, next);
277 |       delete prerender.blacklist;
278 | 
279 |     });
280 | 
281 |     it('should return a prerendered response if a string is returned from beforeRender', function(){
282 |       var req = { method: 'GET', url: '/', headers: { 'user-agent': bot }, connection: { encrypted: false } };
283 | 
284 |       prerender.set('beforeRender', function(req, done) {
285 |         done(null, '<html>cached</html>');
286 |       });
287 | 
288 |       prerender(req, res, next);
289 | 
290 |       prerender.set('beforeRender', null);
291 |       assert.equal(next.callCount, 0);
292 |       assert.equal(res.writeHead.callCount, 1);
293 |       assert.equal(res.writeHead.getCall(0).args[0], 200);
294 |       assert.equal(res.end.callCount, 1);
295 |       assert.equal(res.end.getCall(0).args[0], '<html>cached</html>');
296 |     });
297 | 
298 |     it('should return a prerendered response if an object is returned from beforeRender', function(){
299 |       var req = { method: 'GET', url: '/', headers: { 'user-agent': bot }, connection: { encrypted: false } };
300 | 
301 |       prerender.set('beforeRender', function(req, done) {
302 |         done(null, {status: 400, body: '<html>Bad Request</html>'});
303 |       });
304 | 
305 |       prerender(req, res, next);
306 | 
307 |       prerender.set('beforeRender', null);
308 |       assert.equal(next.callCount, 0);
309 |       assert.equal(res.writeHead.callCount, 1);
310 |       assert.equal(res.writeHead.getCall(0).args[0], 400);
311 |       assert.equal(res.end.callCount, 1);
312 |       assert.equal(res.end.getCall(0).args[0], '<html>Bad Request</html>');
313 |     });
314 | 
315 |     it('calls afterRender with error if the prerender service is unavailable', function(done){
316 |       var req = { method: 'GET', url: '/fail', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
317 | 
318 |       nock('https://service.prerender.io')
319 |       .get('/http://google.com/fail')
320 |       .replyWithError('uh oh');
321 | 
322 |       var afterRenderStub = sandbox.stub();
323 | 
324 |       prerender.set('afterRender', afterRenderStub);
325 | 
326 |       prerender(req, res, function(err){
327 |         prerender.set('afterRender', null);
328 |         assert.equal(afterRenderStub.callCount, 1);
329 |         assert.equal(afterRenderStub.getCall(0).args[0], err);
330 |         done();
331 |       });
332 |     });
333 | 
334 |     it('calls afterRender with request and prerender response', function(done){
335 |       var req = { method: 'GET', url: '/path?_escaped_fragment_=', headers: { 'user-agent': user, host: 'google.com' }, connection: { encrypted: false } };
336 | 
337 |       nock('https://service.prerender.io', {
338 |         reqheaders: {
339 |           'x-prerender-token': 'MY_TOKEN',
340 |           'Accept-Encoding': 'gzip'
341 |         }
342 |       })
343 |       .get('/http://google.com/path')
344 |       .query({_escaped_fragment_: ''})
345 |       .reply(200, '<html></html>');
346 | 
347 |       var afterRenderStub = sandbox.stub();
348 |       var getPrerenderedPageResponseOriginal = prerender.getPrerenderedPageResponse;
349 |       var prerenderResponseSpy = null;
350 | 
351 |       prerender.getPrerenderedPageResponse = function(req, callback) {
352 |         prerenderResponseSpy = sandbox.spy(callback);
353 |         getPrerenderedPageResponseOriginal.apply(prerender, [req, prerenderResponseSpy]);
354 |       };
355 | 
356 |       prerender.set('afterRender', afterRenderStub);
357 | 
358 |       res.end = sandbox.spy(function(){
359 |         prerender.set('afterRender', null);
360 |         prerender.getPrerenderedPageResponse = getPrerenderedPageResponseOriginal;
361 |         assert.equal(next.callCount, 0);
362 |         assert.equal(afterRenderStub.getCall(0).args[0], null);
363 |         assert.equal(afterRenderStub.getCall(0).args[1], req);
364 |         assert.equal(afterRenderStub.getCall(0).args[2], prerenderResponseSpy.getCall(0).args[1]);
365 |         done();
366 |       });
367 | 
368 |       prerender(req, res, next);
369 |     });
370 | 
371 |     it('calls next when afterRender cancels prerender', function(done){
372 |       var req = mockSuccessfulPrerender();
373 |       prerender.set('afterRender', () => ({ cancelRender: true }));
374 | 
375 |       next = sandbox.spy(function(){
376 |         assert.equal(next.callCount, 1);
377 |         prerender.set('afterRender', null);
378 |         done();
379 |       });
380 | 
381 |       prerender(req, res, next);
382 |     });
383 | 
384 |     it('does not call next when afterRender does not cancel prerender', function(done){
385 |       var req = mockSuccessfulPrerender();
386 |       prerender.set('afterRender', () => ({ cancelRender: false }));
387 | 
388 |       res.end = sandbox.spy(function(){
389 |         assert.equal(next.callCount, 0);
390 |         prerender.set('afterRender', null);
391 |         done();
392 |       });
393 | 
394 |       prerender(req, res, next);
395 |     });
396 | 
397 |     it('does not call next when afterRender returns undefined', function(done){
398 |       var req = mockSuccessfulPrerender();
399 |       prerender.set('afterRender', () => undefined);
400 | 
401 |       res.end = sandbox.spy(function(){
402 |         assert.equal(next.callCount, 0);
403 |         prerender.set('afterRender', null);
404 |         done();
405 |       });
406 | 
407 |       prerender(req, res, next);
408 |     });
409 | 
410 |     it('calls next with error if the prerender service is unavailable', function(done){
411 |       var req = { method: 'GET', url: '/fail', headers: { 'user-agent': bot, host: 'google.com' }, connection: { encrypted: false } };
412 | 
413 |       nock('https://service.prerender.io')
414 |       .get('/http://google.com/fail')
415 |       .replyWithError('uh oh');
416 | 
417 |       prerender(req, res, function(err){
418 |         assert.equal(err.message, 'uh oh');
419 |         assert.equal(res.writeHead.callCount, 0);
420 |         assert.equal(res.end.callCount, 0);
421 |         done();
422 |       });
423 |     });
424 |   });
425 | 
426 |   describe('#whitelisted', function(){
427 |     it('should return the prerendered middleware function', function(){
428 |       assert.equal(prerender.whitelisted(), prerender);
429 |     });
430 |   });
431 | 
432 |   describe('#blacklisted', function(){
433 |     it('should return the prerendered middleware function', function(){
434 |       assert.equal(prerender.blacklisted(), prerender);
435 |     });
436 |   });
437 | 
438 |   describe('#buildApiUrl', function(){
439 |     it('should build the correct api url with the default url', function(){
440 |       var req = {
441 |         url: '/search?q=javascript',
442 |         headers: {
443 |           'host': 'google.com'
444 |         },
445 |         connection: {
446 |           encrypted: false
447 |         }
448 |       };
449 | 
450 |       delete process.env.PRERENDER_SERVICE_URL;
451 |       assert.equal(prerender.buildApiUrl(req), 'https://service.prerender.io/http://google.com/search?q=javascript');
452 |     });
453 | 
454 |     it('should build the correct api url with an environment variable url', function(){
455 |       var req = {
456 |         url: '/search?q=javascript',
457 |         headers: {
458 |           'host': 'google.com'
459 |         },
460 |         connection: {
461 |           encrypted: false
462 |         }
463 |       };
464 | 
465 |       process.env.PRERENDER_SERVICE_URL = 'http://prerenderurl.com';
466 |       assert.equal(prerender.buildApiUrl(req), 'http://prerenderurl.com/http://google.com/search?q=javascript');
467 |       delete process.env.PRERENDER_SERVICE_URL;
468 |     });
469 | 
470 |     it('should build the correct api url with an initialization variable url', function(){
471 |       var req = {
472 |         url: '/search?q=javascript',
473 |         headers: {
474 |           'host': 'google.com'
475 |         },
476 |         connection: {
477 |           encrypted: false
478 |         }
479 |       };
480 | 
481 |       prerender.set('prerenderServiceUrl', 'http://prerenderurl.com');
482 |       assert.equal(prerender.buildApiUrl(req), 'http://prerenderurl.com/http://google.com/search?q=javascript');
483 |       delete prerender.prerenderServiceUrl;
484 |     });
485 | 
486 |     // Check CF-Visitor header in order to Work behind CloudFlare with Flexible SSL (https://support.cloudflare.com/hc/en-us/articles/200170536)
487 |     it('should build the correct api url for the Cloudflare Flexible SSL support', function(){
488 |       var req = {
489 |         url: '/search?q=javascript',
490 |         headers: {
491 |           'host': 'google.com',
492 |           'cf-visitor': '"scheme":"https"'
493 |         },
494 |         connection: {
495 |           encrypted: false
496 |         }
497 |       };
498 | 
499 |       delete process.env.PRERENDER_SERVICE_URL;
500 |       assert.equal(prerender.buildApiUrl(req), 'https://service.prerender.io/https://google.com/search?q=javascript');
501 |     });
502 | 
503 |     // Check X-Forwarded-Proto because Heroku SSL Support terminates at the load balancer
504 |     it('should build the correct api url for the Heroku SSL Addon support with single value', function() {
505 |       var req = {
506 |         url: '/search?q=javascript',
507 |         headers: {
508 |           'host': 'google.com',
509 |           'x-forwarded-proto': 'https'
510 |         },
511 |         connection: {
512 |           encrypted: false
513 |         }
514 |       };
515 | 
516 |       delete process.env.PRERENDER_SERVICE_URL;
517 |       assert.equal(prerender.buildApiUrl(req), 'https://service.prerender.io/https://google.com/search?q=javascript');
518 |     });
519 | 
520 |     // Check X-Forwarded-Proto because Heroku SSL Support terminates at the load balancer
521 |     it('should build the correct api url for the Heroku SSL Addon support with double value', function() {
522 |       var req = {
523 |         url: '/search?q=javascript',
524 |         headers: {
525 |           'host': 'google.com',
526 |           'x-forwarded-proto': 'https,http'
527 |         },
528 |         connection: {
529 |           encrypted: false
530 |         }
531 |       };
532 | 
533 |       delete process.env.PRERENDER_SERVICE_URL;
534 |       assert.equal(prerender.buildApiUrl(req), 'https://service.prerender.io/https://google.com/search?q=javascript');
535 |     });
536 | 
537 | 
538 |     it('should build the correct api url for https URLs', function() {
539 |       var req = {
540 |         url: '/search?q=javascript',
541 |         headers: {
542 |           'host': 'google.com'
543 |         },
544 |         connection: {
545 |           encrypted: true
546 |         }
547 |       };
548 | 
549 |       delete process.env.PRERENDER_SERVICE_URL;
550 |       assert.equal(prerender.buildApiUrl(req), 'https://service.prerender.io/https://google.com/search?q=javascript');
551 |     });
552 |   });
553 | 
554 |   describe('#shouldShowPrerenderedPage', function() {
555 |     it('returns true if bot is redditbot', function() {
556 |       var req = {
557 |         headers: {
558 |           'user-agent': 'Mozilla/5.0 (compatible; redditbot/1.0; +http://www.reddit.com/feedback)'
559 |         },
560 |         method: 'GET',
561 |         url: '/'
562 |       };
563 | 
564 |       assert(prerender.shouldShowPrerenderedPage(req));
565 | 
566 |     });
567 | 
568 |     it('returns false if x-prerender header is present', function() {
569 |       var req = {
570 |         headers: {
571 |           'x-prerender': '1'
572 |         },
573 |         method: 'GET',
574 |         url: '/'
575 |       };
576 | 
577 |       assert.equal(false, prerender.shouldShowPrerenderedPage(req));
578 | 
579 |     });
580 |   });
581 | });
582 | 


--------------------------------------------------------------------------------
/test/support/express3/app.js:
--------------------------------------------------------------------------------
 1 | 
 2 | /**
 3 |  * Module dependencies.
 4 |  */
 5 | 
 6 | var express = require('express');
 7 | var routes = require('./routes');
 8 | var user = require('./routes/user');
 9 | var http = require('http');
10 | var path = require('path');
11 | 
12 | var app = express();
13 | 
14 | // all environments
15 | app.set('port', process.env.PORT || 3000);
16 | app.set('views', path.join(__dirname, 'views'));
17 | app.set('view engine', 'pug');
18 | 
19 | // prerender
20 | app.use(require('../../../'));
21 | 
22 | app.use(express.favicon());
23 | app.use(express.logger('dev'));
24 | app.use(express.json());
25 | app.use(express.urlencoded());
26 | app.use(require('method-override'));
27 | app.use(app.router);
28 | app.use(express.static(path.join(__dirname, 'public')));
29 | 
30 | // development only
31 | if ('development' == app.get('env')) {
32 |   app.use(express.errorHandler());
33 | }
34 | 
35 | app.get('/', routes.index);
36 | app.get('/users', user.list);
37 | 
38 | //hold onto the server so we can close it properly in our test
39 | app.serverForTests = http.createServer(app).listen(app.get('port'), function(){
40 |   // console.log('Express server listening on port ' + app.get('port'));
41 | });
42 | 
43 | module.exports = app
44 | 


--------------------------------------------------------------------------------
/test/support/express3/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "application-name",
 3 |   "version": "0.0.1",
 4 |   "private": true,
 5 |   "scripts": {
 6 |     "start": "node app.js"
 7 |   },
 8 |   "dependencies": {
 9 |     "express": "~3.21.2",
10 |     "method-override": "~2.3.10",
11 |     "pug": "~2.0.3"
12 |   }
13 | }
14 | 


--------------------------------------------------------------------------------
/test/support/express3/public/javascripts/todo.js:
--------------------------------------------------------------------------------
 1 | angular.module('todoApp', ['ngRoute'])
 2 | 
 3 |   .config(function($locationProvider) {
 4 |     $locationProvider.html5Mode(true).hashPrefix('!');
 5 |   })
 6 | 
 7 |   .config(function($routeProvider) {
 8 |     $routeProvider
 9 |       .when('/', {
10 |         templateUrl:'partials/todo.html'
11 |       })
12 |   })
13 | 
14 |   .controller('TodoListController', function() {
15 |     var todoList = this;
16 |     todoList.todos = [
17 |       {text:'learn angular', done:true},
18 |       {text:'build an angular app', done:false}];
19 | 
20 |     todoList.addTodo = function() {
21 |       todoList.todos.push({text:todoList.todoText, done:false});
22 |       todoList.todoText = '';
23 |     };
24 | 
25 |     todoList.remaining = function() {
26 |       var count = 0;
27 |       angular.forEach(todoList.todos, function(todo) {
28 |         count += todo.done ? 0 : 1;
29 |       });
30 |       return count;
31 |     };
32 | 
33 |     todoList.archive = function() {
34 |       var oldTodos = todoList.todos;
35 |       todoList.todos = [];
36 |       angular.forEach(oldTodos, function(todo) {
37 |         if (!todo.done) todoList.todos.push(todo);
38 |       });
39 |     };
40 |   });
41 | 


--------------------------------------------------------------------------------
/test/support/express3/public/partials/todo.html:
--------------------------------------------------------------------------------
 1 | <h2>Todo</h2>
 2 | <div ng-controller="TodoListController as todoList">
 3 |   <span>{{todoList.remaining()}} of {{todoList.todos.length}} remaining</span>
 4 |   [ <a href="" ng-click="todoList.archive()">archive</a> ]
 5 |   <ul class="unstyled">
 6 |     <li ng-repeat="todo in todoList.todos">
 7 |       <input type="checkbox" ng-model="todo.done">
 8 |       <span class="done-{{todo.done}}">{{todo.text}}</span>
 9 |     </li>
10 |   </ul>
11 |   <form ng-submit="todoList.addTodo()">
12 |     <input type="text" ng-model="todoList.todoText"  size="30"
13 |            placeholder="add new todo here">
14 |     <input class="btn-primary" type="submit" value="add">
15 |   </form>
16 | </div>
17 | 


--------------------------------------------------------------------------------
/test/support/express3/public/stylesheets/todo.css:
--------------------------------------------------------------------------------
1 | .done-true {
2 |   text-decoration: line-through;
3 |   color: grey;
4 | }
5 | 


--------------------------------------------------------------------------------
/test/support/express3/routes/index.js:
--------------------------------------------------------------------------------
1 | 
2 | /*
3 |  * GET home page.
4 |  */
5 | 
6 | exports.index = function(req, res){
7 |   res.render('index', { title: 'Express' });
8 | };


--------------------------------------------------------------------------------
/test/support/express3/routes/user.js:
--------------------------------------------------------------------------------
1 | 
2 | /*
3 |  * GET users listing.
4 |  */
5 | 
6 | exports.list = function(req, res){
7 |   res.send("respond with a resource");
8 | };


--------------------------------------------------------------------------------
/test/support/express3/views/index.html:
--------------------------------------------------------------------------------
 1 | <!doctype html>
 2 | <html ng-app="todoApp">
 3 |   <head>
 4 |     <base href="/">
 5 |     <meta name="fragment" content="!">
 6 |     <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.1/angular.min.js"></script>
 7 |     <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.1/angular-route.min.js"></script>
 8 |     <script src="javascripts/todo.js"></script>
 9 |     <link rel="stylesheet" href="stylesheets/todo.css">
10 |   </head>
11 |   <body>
12 |     <div ng-view></div>
13 |   </body>
14 | </html>
15 | 


--------------------------------------------------------------------------------
/test/support/express3/views/index.jade:
--------------------------------------------------------------------------------
1 | include index.html
2 | 


--------------------------------------------------------------------------------
/test/support/express4/app.js:
--------------------------------------------------------------------------------
 1 | var express = require('express');
 2 | var path = require('path');
 3 | var favicon = require('serve-favicon');
 4 | var logger = require('morgan');
 5 | var cookieParser = require('cookie-parser');
 6 | var bodyParser = require('body-parser');
 7 | 
 8 | var routes = require('./routes/index');
 9 | var users = require('./routes/users');
10 | 
11 | var app = express();
12 | 
13 | // view engine setup
14 | app.set('views', path.join(__dirname, 'views'));
15 | app.set('view engine', 'pug');
16 | 
17 | // prerender
18 | app.use(require('../../../'));
19 | 
20 | // uncomment after placing your favicon in /public
21 | //app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
22 | app.use(logger('dev'));
23 | app.use(bodyParser.json());
24 | app.use(bodyParser.urlencoded({ extended: false }));
25 | app.use(cookieParser());
26 | app.use(express.static(path.join(__dirname, 'public')));
27 | 
28 | app.use('/', routes);
29 | app.use('/users', users);
30 | 
31 | // catch 404 and forward to error handler
32 | app.use(function(req, res, next) {
33 |   var err = new Error('Not Found');
34 |   err.status = 404;
35 |   next(err);
36 | });
37 | 
38 | // error handlers
39 | 
40 | // development error handler
41 | // will print stacktrace
42 | if (app.get('env') === 'development') {
43 |   app.use(function(err, req, res, next) {
44 |     res.status(err.status || 500);
45 |     res.render('error', {
46 |       message: err.message,
47 |       error: err
48 |     });
49 |   });
50 | }
51 | 
52 | // production error handler
53 | // no stacktraces leaked to user
54 | app.use(function(err, req, res, next) {
55 |   res.status(err.status || 500);
56 |   res.render('error', {
57 |     message: err.message,
58 |     error: {}
59 |   });
60 | });
61 | 
62 | //hold onto the server so we can close it properly in our test
63 | app.serverForTests = app.listen(process.env.PORT || 3000)
64 | 
65 | 
66 | module.exports = app;
67 | 


--------------------------------------------------------------------------------
/test/support/express4/bin/www:
--------------------------------------------------------------------------------
 1 | #!/usr/bin/env node
 2 | 
 3 | /**
 4 |  * Module dependencies.
 5 |  */
 6 | 
 7 | var app = require('../app');
 8 | var debug = require('debug')('express4: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 |     ? 'pipe ' + addr
88 |     : 'port ' + addr.port;
89 |   debug('Listening on ' + bind);
90 | }
91 | 


--------------------------------------------------------------------------------
/test/support/express4/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "express4",
 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": "~3.1.0",
12 |     "express": "~4.16.3",
13 |     "morgan": "~1.9.0",
14 |     "pug": "~2.0.3",
15 |     "serve-favicon": "~2.5.0"
16 |   }
17 | }
18 | 


--------------------------------------------------------------------------------
/test/support/express4/public/javascripts/todo.js:
--------------------------------------------------------------------------------
 1 | angular.module('todoApp', ['ngRoute'])
 2 | 
 3 |   .config(function($locationProvider) {
 4 |     $locationProvider.html5Mode(true).hashPrefix('!');
 5 |   })
 6 | 
 7 |   .config(function($routeProvider) {
 8 |     $routeProvider
 9 |       .when('/', {
10 |         templateUrl:'partials/todo.html'
11 |       })
12 |   })
13 | 
14 |   .controller('TodoListController', function() {
15 |     var todoList = this;
16 |     todoList.todos = [
17 |       {text:'learn angular', done:true},
18 |       {text:'build an angular app', done:false}];
19 | 
20 |     todoList.addTodo = function() {
21 |       todoList.todos.push({text:todoList.todoText, done:false});
22 |       todoList.todoText = '';
23 |     };
24 | 
25 |     todoList.remaining = function() {
26 |       var count = 0;
27 |       angular.forEach(todoList.todos, function(todo) {
28 |         count += todo.done ? 0 : 1;
29 |       });
30 |       return count;
31 |     };
32 | 
33 |     todoList.archive = function() {
34 |       var oldTodos = todoList.todos;
35 |       todoList.todos = [];
36 |       angular.forEach(oldTodos, function(todo) {
37 |         if (!todo.done) todoList.todos.push(todo);
38 |       });
39 |     };
40 |   });
41 | 


--------------------------------------------------------------------------------
/test/support/express4/public/partials/todo.html:
--------------------------------------------------------------------------------
 1 | <h2>Todo</h2>
 2 | <div ng-controller="TodoListController as todoList">
 3 |   <span>{{todoList.remaining()}} of {{todoList.todos.length}} remaining</span>
 4 |   [ <a href="" ng-click="todoList.archive()">archive</a> ]
 5 |   <ul class="unstyled">
 6 |     <li ng-repeat="todo in todoList.todos">
 7 |       <input type="checkbox" ng-model="todo.done">
 8 |       <span class="done-{{todo.done}}">{{todo.text}}</span>
 9 |     </li>
10 |   </ul>
11 |   <form ng-submit="todoList.addTodo()">
12 |     <input type="text" ng-model="todoList.todoText"  size="30"
13 |            placeholder="add new todo here">
14 |     <input class="btn-primary" type="submit" value="add">
15 |   </form>
16 | </div>
17 | 


--------------------------------------------------------------------------------
/test/support/express4/public/stylesheets/todo.css:
--------------------------------------------------------------------------------
1 | .done-true {
2 |   text-decoration: line-through;
3 |   color: grey;
4 | }
5 | 


--------------------------------------------------------------------------------
/test/support/express4/routes/index.js:
--------------------------------------------------------------------------------
 1 | var express = require('express');
 2 | var router = express.Router();
 3 | 
 4 | /* GET home page. */
 5 | router.get('/', function(req, res, next) {
 6 |   res.render('index', { title: 'Express' });
 7 | });
 8 | 
 9 | module.exports = router;
10 | 


--------------------------------------------------------------------------------
/test/support/express4/routes/users.js:
--------------------------------------------------------------------------------
 1 | var express = require('express');
 2 | var router = express.Router();
 3 | 
 4 | /* GET users listing. */
 5 | router.get('/', function(req, res, next) {
 6 |   res.send('respond with a resource');
 7 | });
 8 | 
 9 | module.exports = router;
10 | 


--------------------------------------------------------------------------------
/test/support/express4/views/error.pug:
--------------------------------------------------------------------------------
1 | extends layout
2 | 
3 | block content
4 |   h1= message
5 |   h2= error.status
6 |   pre #{error.stack}
7 | 


--------------------------------------------------------------------------------
/test/support/express4/views/index.html:
--------------------------------------------------------------------------------
 1 | <!doctype html>
 2 | <html ng-app="todoApp">
 3 |   <head>
 4 |     <base href="/">
 5 |     <meta name="fragment" content="!">
 6 |     <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.1/angular.min.js"></script>
 7 |     <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.1/angular-route.min.js"></script>
 8 |     <script src="javascripts/todo.js"></script>
 9 |     <link rel="stylesheet" href="stylesheets/todo.css">
10 |   </head>
11 |   <body>
12 |     <div ng-view></div>
13 |   </body>
14 | </html>
15 | 


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/test/support/express4/views/index.pug:
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1 | include index.html
2 | 


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/test/support/express4/views/layout.pug:
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1 | doctype html
2 | html
3 |   head
4 |     title= title
5 |     link(rel='stylesheet', href='/stylesheets/style.css')
6 |   body
7 |     block content


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