introduce configurable login providers to selectively show/hide different login methods

app.js

@@ -78,6 +78,7 @@ app.use(passport.session());
 app.use(function(req, res, next) {
   res.locals.user = req.user;
   res.locals.token = req.csrfToken();
+  res.locals.secrets = secrets;
   next();
 });
 app.use(flash());

views/account/login.jade

@@ -6,18 +6,23 @@ block content
       legend Sign In
       .form-group
         .btn-group.btn-group-justified
+          if secrets.facebookAuth
             a.btn.btn-facebook(href='/auth/facebook')
               i.fa.fa-facebook
               | Facebook
+          if secrets.twitterAuth
             a.btn.btn-twitter(href='/auth/twitter')
               i.fa.fa-twitter
               | Twitter
+          if secrets.githubAuth
             a.btn.btn-github(href='/auth/github')
               i.fa.fa-github
               | GitHub
+          if secrets.googleAuth
             a.btn.btn-google-plus(href='/auth/google')
               i.fa.fa-google-plus
               | Google
+      if secrets.localAuth
         .form-group
           label.control-label(for='email') Email
           input.form-control(type='text', name='email', id='email', placeholder='Email', autofocus=true)

views/account/profile.jade

@@ -43,6 +43,7 @@ block content
           | Update Profile
 
 
+  if secrets.localAuth
     .page-header
       h3 Change Password
 
@@ -75,21 +76,25 @@ block content
   .page-header
     h3 Linked Accounts
 
+  if secrets.googleAuth
     if user.google
       p: a.text-danger(href='/account/unlink/google') Unlink your Google account
     else
       p: a(href='/auth/google') Link your Google account
 
+  if secrets.facebookAuth
     if user.facebook
       p: a.text-danger(href='/account/unlink/facebook') Unlink your Facebook account
     else
       p: a(href='/auth/facebook') Link your Facebook account
 
+  if secrets.twitterAuth
     if user.twitter
       p: a.text-danger(href='/account/unlink/twitter') Unlink your Twitter account
     else
       p: a(href='/auth/twitter') Link your Twitter account
 
+  if secrets.githubAuth
     if user.github
       p: a.text-danger(href='/account/unlink/github') Unlink your GitHub account
     else

views/partials/navigation.jade

@@ -19,6 +19,7 @@
         if !user
           li(class=title=='Login'?'active':undefined)
             a(href='/login') Login
+          if secrets.localAuth
             li(class=title=='Create Account'?'active':undefined)
               a(href='/signup') Create Account
         else