version 0.4.30 - add trello service

README.md

@@ -102,6 +102,8 @@ Supported services
 
 <img src="https://github.com/jed/authom/raw/master/lib/assets/soundcloud.ico" style="vertical-align:middle"> SoundCloud (by [jed](https://github.com/jed))
 
+<img src="https://github.com/jed/authom/raw/master/lib/assets/trello.ico" style="vertical-align:middle"> Trello (by [falexandrou](https://github.com/falexandrou))
+
 <img src="https://github.com/jed/authom/raw/master/lib/assets/twitter.ico" style="vertical-align:middle"> Twitter (by [jed](https://github.com/jed))
 
 <img src="https://github.com/jed/authom/raw/master/lib/assets/vkontakte.ico" style="vertical-align:middle"> Vkontakte (by [molforp](https://github.com/molforp))
@@ -561,6 +563,26 @@ var soundcloud = authom.createServer({
 })
 ```
 
+### Trello ([create an app](https://trello.com/docs/gettingstarted/index.html#getting-an-application-key))
+
+Options:
+
+- `service`: "trello"
+- `id`: the application's `Consumer key`
+- `secret`: the application's `Consumer secret`
+- `app_name`: the application's `name`
+
+Example:
+
+```javascript
+var trello = authom.createServer({
+  service: "trello",
+  id: "LwjCfHAugMghuYtHLS9Ugw",
+  secret: "etam3XHqDSDPceyHti6tRQGoywiISY0vZWfzhQUxGL4",
+  app_name: "Coolest app in the world"
+})
+```
+
 ### Twitter ([create an app](dev.twitter.com/apps/))
 
 Options:

lib/services/trello.js

@@ -0,0 +1,75 @@
+var EventEmitter = require("events").EventEmitter
+  , util = require("util")
+  , url = require("url")
+  , OAuth
+  , secrets = {}
+
+try { OAuth = require("oauth").OAuth }
+catch (e) {
+  throw new Error("oauth library could not be loaded.")
+}
+
+function Trello(options) {
+  this.id = options.id
+  this.secret = options.secret
+  this.app_name = options.app_name
+
+  this.on("request", this.onRequest.bind(this))
+
+  EventEmitter.call(this);
+}
+
+util.inherits(Trello, EventEmitter);
+
+Trello.prototype.parseURI = function(request) {
+  var protocol = request.socket.encrypted ? "https" : "http"
+    , host = request.headers.host || request.connection.remoteAddress
+
+  return url.parse(protocol + "://" + host + request.url, true)
+}
+
+Trello.prototype.onRequest = function(req, res) {
+  var self = this
+    , uri = this.parseURI(req)
+    , verifier = uri.query.oauth_verifier
+    , token = uri.query.oauth_token
+    , oa = new OAuth(
+        "https://trello.com/1/OAuthGetRequestToken",
+        "https://trello.com/1/OAuthGetAccessToken",
+        this.id,
+        this.secret,
+        "1.0",
+        url.format(uri),
+        "HMAC-SHA1"
+      )
+
+  if (verifier && token) {
+    oa.getOAuthAccessToken(token, secrets[token], verifier, onToken)
+  }
+
+  else oa.getOAuthRequestToken(function(error, oauth_token, oauth_token_secret, results){
+    if (error) return self.emit("error", req, res, uri.query, error)
+
+    secrets[oauth_token] = oauth_token_secret
+    setTimeout(function(){ delete secrets[oauth_token] }, 60000)
+
+    res.writeHead(302, {
+      Location: "https://trello.com/1/OAuthAuthorizeToken?oauth_token=" + oauth_token + (self.app_name !== undefined ? ('&name='+self.app_name) : '')
+    })
+
+    res.end()
+  })
+
+  function onToken(error, oauth_access_token, oauth_access_token_secret, results){
+    if (error) return self.emit("error", req, res, uri.query, error)
+
+    self.emit("auth", req, res, {
+      token: oauth_access_token,
+      secret: oauth_access_token_secret,
+      id: results.encoded_user_id,
+      data: results
+    })
+  }
+}
+
+module.exports = Trello

package.json

@@ -2,7 +2,7 @@
   "author": "Jed Schmidt <tr@nslator.jp> (http://jed.is)",
   "name": "authom",
   "description": "A dependency-free multi-service authentication tool for node.js",
-  "version": "0.4.29",
+  "version": "0.4.30",
   "keywords": [
     "auth",
     "authorization",