initial commit

Signed-off-by: Sean Cross <sean@xobs.io>

.gitignore

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+node_modules/

index.js

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+const Git = require('nodegit');
+const express = require('express');
+const bodyParser = require('body-parser');
+const url = require('url');
+
+const app = express();
+const port = 9119;
+const root = 'reveal-root/';
+
+function webhook(config, req, res) {
+    if (req.get('X-GitHub-Event') !== 'push')
+        return res.status(200).send('X-GitHub-Event was not "push"');
+
+    const wh = req.body;
+
+    // Ensure the secret is present, and matches
+    if (!config['secret'] || wh['secret'] || config['secret'] !== wh['secret'])
+        return res.status(403).send('invalid secret token');
+
+    // Reference the repository node, which must exist
+    const repository = wh['repository'];
+    if (!repository)
+        return res.status(403).send('no repository found');
+
+    // Grab the git repository, if it exists
+    const html_url = repository['html_url'];
+    if (!html_url)
+        return res.status(403).send('no html_url found');
+
+    // Ensure the prefix is one that we recognize
+    found_prefix = false;
+    config.repo_prefixes.forEach(function(prefix) {
+        if (html_url.startsWtih(prefix)) {
+            found_prefix = true;
+        }
+    });
+    if (!found_prefix)
+        return res.status(403).send('prefix does not match');
+
+    // Figure out where to place the repo
+    const website_url = new URL(repository['website']);
+    if (!website_url || !website_url.pathname)
+        return res.status(403).send('missing "website" parameter');
+
+    const path = website_url.pathname.split('/').slice(-1)[0];
+    if (!path || path === '.' || path === '..' || path === '')
+        return res.status(403).send('"website" parameter is not valid');
+
+    console.log(`deploying to ${path} at ${config.repo_root} from ${html_url}`);
+    res.send('Ok');
+}
+
+const config = {
+    secret: "1234",
+    repo_root: "D:\\Code\\talkserved",
+    repo_prefixes: [
+        "https://git.xobs.io/xobs"
+    ]
+};
+
+app.use(bodyParser.json()); // Parse application/json
+app.use(bodyParser.urlencoded({ extended: true })); // Parse application/x-www-form-urlencoded
+
+app.post('/webhook', function (req, res) { return webhook(config, req, res); });
+app.use(express.static(config.repo_root));
+app.listen(port, () => console.log(`Example app listening on port ${port}!`));

package.json

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+{
+  "name": "reveal-serve",
+  "version": "1.0.0",
+  "description": "Serve a reveal.js site and sync with updates.",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.18.3",
+    "express": "^4.16.4",
+    "nodegit": "^0.23.0",
+    "socket-io": "^1.0.0"
+  }
+}