Fixed authentication; fixed configuration loading

app/controllers/auth.rb

@@ -13,12 +13,11 @@ class Webdap
     end
 
     post '/login' do
-      ldap = Net::LDAP.new
-      ldap.host = cnf['ldap']['server_url']
-      ldap.port = 389
-      ldap.auth(params[:login_username], params[:login_password])
-      if ldap.bind()
-        session['ldap_uid'] = params[:username]
+      ldap = Net::LDAP.new(:host => $conf.get('ldap.server_url'), :port => 389)
+      ldap_bind_dn = "#{$conf.get('ldap.user_uid_attr')}=#{params[:auth_username]},#{$conf.get('ldap.user_ou')}"
+
+      if ldap.bind(:method => :simple, :username => ldap_bind_dn, :password => params[:auth_password])
+        session['ldap_uid'] = params[:auth_username]
         redirect '/account/view'
       else
         # Authentication failure

app/controllers/index.rb

@@ -7,6 +7,7 @@ class Webdap
     get '/' do
       erb :index, locals: {
         title: 'Home',
+        server: $conf.get('ldap.server_url'),
       }
     end
 

config/defaults.yaml

@@ -1,6 +1,8 @@
 ldap:
   server_url: 'ldap://ldap.example.com'
   port: 389
+  user_uid_attr: 'uid'
+  user_ou: 'ou=People,dc=example,dc=com'
 
 server:
   address: '127.0.0.1'

config/puma.rb

@@ -1,6 +1,6 @@
 # Load application config
 require './app/config.rb'
-$conf = Config.new(File.join(__dir__, 'config/config.yaml'))
+$conf = Config.new(File.join(__dir__, '../config/config.yaml'))
 
 bind_address = "tcp://#{$conf.get('server.address')}:#{$conf.get('server.port')}"
 bind bind_address

views/index.erb

@@ -4,5 +4,7 @@
     <p>You can use this site to manage your network account. <i class="fa-solid fa-address-book"></i></p>
 
     <p><a href="/auth/login">Click here</a> to login.</p>
+
+    <p>Server URL: <%= server %></p>
   </div>
 </div>