Add Mozilla Addons support

package.json

@@ -25,8 +25,14 @@
     "camp": "~16.2.3",
     "semver": "~5.3.0",
     "bower": "~1.7.9",
-    "chrome-web-store-item-property": "^1.1.2",
-    "json-autosave": "~1.1.1"
+    "chrome-web-store-item-property": "~1.1.2",
+    "json-autosave": "~1.1.1",
+    "xml2js": "~0.4.16"
+  },
+  "devDependencies": {
+    "ass": "~0.0.6",
+    "should": "~3.0.0",
+    "mocha": "~1.14.0"
   },
   "scripts": {
     "test": "node test/test.js"

server.js

@@ -21,6 +21,7 @@ var svg2img = require('./svg-to-img.js');
 var loadLogos = require('./load-logos.js');
 var githubAuth = require('./lib/github-auth.js');
 var querystring = require('querystring');
+var xml2js = require('xml2js');
 var serverSecrets;
 try {
   // Everything that cannot be checked in but is useful server-side
@@ -5346,6 +5347,66 @@ cache(function(data, match, sendBadge, request) {
   });
 }));
 
+// Mozilla addons integration
+camp.route(/^\/amo\/(v|d|rating|users)\/(.*)\.(svg|png|gif|jpg|json)$/,
+cache(function(data, match, sendBadge, request) {
+  var type = match[1];
+  var addonId = match[2];
+  var format = match[3];
+  var badgeData = getBadgeData('mozilla addons', data);
+  var url = 'https://services.addons.mozilla.org/api/1.5/addon/' + addonId;
+
+  request(url, function(err, res, buffer) {
+    if (err) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+
+    xml2js.parseString(buffer.toString(), function (err, data) {
+      if (err) {
+        badgeData.text[1] = 'invalid';
+        sendBadge(format, badgeData);
+        return;
+      }
+
+      try {
+        switch (type) {
+        case 'v':
+          var version = data.addon.version[0];
+          var vdata = versionColor(version);
+          badgeData.text[1] = vdata.version;
+          badgeData.colorscheme = vdata.color;
+          break;
+        case 'd':
+          var downloads = parseInt(data.addon.total_downloads[0], 10);
+          badgeData.text[0] = 'downloads';
+          badgeData.text[1] = metric(downloads);
+          badgeData.colorscheme = downloadCountColor(downloads);
+          break;
+        case 'rating':
+          var rating = parseInt(data.addon.rating, 10);
+          badgeData.text[0] = 'rating';
+          badgeData.text[1] = rating + ' stars';
+          badgeData.colorscheme = floorCountColor(rating, 2, 3, 4);
+          break;
+        case 'users':
+          var dailyUsers = parseInt(data.addon.daily_users[0], 10);
+          badgeData.text[0] = 'users';
+          badgeData.text[1] = metric(dailyUsers);
+          badgeData.colorscheme = 'brightgreen';
+          break;
+        }
+
+        sendBadge(format, badgeData);
+      } catch (err) {
+        badgeData.text[1] = 'invalid';
+        sendBadge(format, badgeData);
+      }
+    });
+  });
+}));
+
 // Test if a webpage is online
 camp.route(/^\/website(-(([^-]|--)*?)-(([^-]|--)*)(-(([^-]|--)+)-(([^-]|--)+))?)?\/(.+)\/(.+)\.(svg|png|gif|jpg|json)$/,
 cache(function(data, match, sendBadge, request) {

try.html

@@ -388,8 +388,8 @@ Pixel-perfect   Retina-ready   Fast   Consistent   Hackable
     <td><code>https://img.shields.io/chrome-web-store/d/nimelepbpejjlbmoobocpfnjhihnpked.svg</code></td>
   </tr>
   <tr><th data-keywords='website' data-doc='websiteDoc'> Website: </th>
-  <td><img src='/website-up-down-green-red/http/shields.io.svg' alt=''/></td>
-  <td><code>https://img.shields.io/website-up-down-green-red/http/shields.io.svg</code></td>
+    <td><img src='/website-up-down-green-red/http/shields.io.svg' alt=''/></td>
+    <td><code>https://img.shields.io/website-up-down-green-red/http/shields.io.svg</code></td>
   </tr>
   <tr><th data-keywords='cocoapods'> CocoaPods: </th>
     <td><img src='/cocoapods/dt/AFNetworking.svg' alt='' /></td>
@@ -403,6 +403,10 @@ Pixel-perfect &nbsp; Retina-ready &nbsp; Fast &nbsp; Consistent &nbsp; Hackable
     <td><img src='/cocoapods/dw/AFNetworking.svg' alt='' /></td>
     <td><code>https://img.shields.io/cocoapods/dw/AFNetworking.svg</code></td>
   </tr>
+  <tr><th data-keywords='amo firefox'> Mozilla Addons: </th>
+    <td><img src='/amo/d/dustman.svg' alt=''/></td>
+    <td><code>https://img.shields.io/amo/d/dustman.svg</code></td>
+  </tr>
 </tbody></table>
 <h3 id="version"> Version </h3>
 <table class='badge'><tbody>
@@ -554,6 +558,10 @@ Pixel-perfect &nbsp; Retina-ready &nbsp; Fast &nbsp; Consistent &nbsp; Hackable
   <td><img src='/homebrew/v/cake.svg' alt=''/></td>
   <td><code>https://img.shields.io/homebrew/v/cake.svg</code></td>
   </tr>
+  <tr><th data-keywords='amo firefox'> Mozilla Addons: </th>
+  <td><img src='/amo/v/dustman.svg' alt=''/></td>
+  <td><code>https://img.shields.io/amo/v/dustman.svg</code></td>
+  </tr>
 </tbody></table>
 
 <h3 id="social"> Social </h3>
@@ -865,6 +873,14 @@ Pixel-perfect &nbsp; Retina-ready &nbsp; Fast &nbsp; Consistent &nbsp; Hackable
     <td><img src='/aur/votes/yaourt.svg' alt=''/></td>
     <td><code>https://img.shields.io/aur/votes/yaourt.svg</code></td>
   </tr>
+  <tr><th data-keywords='amo firefox'> Mozilla Addons: </th>
+    <td><img src='/amo/users/dustman.svg' alt=''/></td>
+    <td><code>https://img.shields.io/amo/users/dustman.svg</code></td>
+  </tr>
+  <tr><th data-keywords='amo firefox'> Mozilla Addons: </th>
+    <td><img src='/amo/rating/dustman.svg' alt=''/></td>
+    <td><code>https://img.shields.io/amo/rating/dustman.svg</code></td>
+  </tr>
 </tbody></table>
 
 <h3 id="miscellaneous"> Longer Miscellaneous </h3>