add github auth

package.json

@@ -79,6 +79,7 @@
     "nodemailer": "~1.3.0",
     "object.assign": "^3.0.0",
     "passport-facebook": "^2.0.0",
+    "passport-github": "^0.1.5",
     "passport-google-oauth2": "^0.1.6",
     "passport-linkedin-oauth2": "^1.2.1",
     "passport-local": "^1.0.0",

server/passport-providers.js

@@ -127,5 +127,19 @@ module.exports = {
       state: process.env.LINKEDIN_STATE
     },
     failureFlash: true
+  },
+  'github-login': {
+    provider: 'github',
+    authScheme: 'oauth2',
+    module: 'passport-github',
+    authPath: '/auth/github',
+    callbackURL: '/auth/github/callback',
+    callbackPath: '/auth/github/callback',
+    successRedirect: successRedirect,
+    failureRedirect: failureRedirect,
+    clientID: process.env.GITHUB_ID,
+    clientSecret: process.env.GITHUB_SECRET,
+    scope: ['email'],
+    failureFlash: true
   }
 };

server/views/account/signin.jade

@@ -2,18 +2,21 @@ extends ../layout
 block content
     .jumbotron.text-center
         h2 Sign in with one of these options:
-        a.btn.btn-lg.btn-block.btn-google-plus.btn-social(href='/auth/google')
+        a.btn.btn-lg.btn-block.btn-twitter.btn-social(href='/auth/github')
-            i.fa.fa-google-plus
+            i.fa.fa-github
-            | Sign in with Google
+            | Sign in with Github
-        a.btn.btn-lg.btn-block.btn-facebook.btn-social(href='/auth/facebook')
-            i.fa.fa-facebook
-            | Sign in with Facebook
-        a.btn.btn-lg.btn-block.btn-linkedin.btn-social(href='/auth/linkedin')
-            i.fa.fa-linkedin
-            | Sign in with LinkedIn
         a.btn.btn-lg.btn-block.btn-twitter.btn-social(href='/auth/twitter')
             i.fa.fa-twitter
             | Sign in with Twitter
+        a.btn.btn-lg.btn-block.btn-facebook.btn-social(href='/auth/facebook')
+            i.fa.fa-facebook
+            | Sign in with Facebook
+        a.btn.btn-lg.btn-block.btn-google-plus.btn-social(href='/auth/google')
+            i.fa.fa-google-plus
+            | Sign in with Google
+        a.btn.btn-lg.btn-block.btn-linkedin.btn-social(href='/auth/linkedin')
+            i.fa.fa-linkedin
+            | Sign in with LinkedIn
         br
         p
             a(href="/email-signup") Or sign up using your email address here.