Make UID case-insensitive

app/models/auth/User.model.js

@@ -173,7 +173,7 @@ class User extends AuthUser {
         const Policy = this.models.get('iam:Policy')
 
         const ldap_data = {
-            uid: this.uid,
+            uid: this.uid.toLowerCase(),
             uuid: this.uuid,
             cn: this.first_name,
             sn: this.last_name,
@@ -213,7 +213,7 @@ class User extends AuthUser {
     }
 
     get dn() {
-        return LDAP.parseDN(`uid=${this.uid},${this.ldap_server.auth_dn().format(this.configs.get('ldap:server.format'))}`)
+        return LDAP.parseDN(`uid=${this.uid.toLowerCase()},${this.ldap_server.auth_dn().format(this.configs.get('ldap:server.format'))}`)
     }
 
     // The following are used by OpenID connect
@@ -227,15 +227,15 @@ class User extends AuthUser {
             given_name: this.first_name,
             locale: 'en_US', // TODO
             name: `${this.first_name} ${this.last_name}`,
-            preferred_username: this.uid,
-            username: this.uid,
+            preferred_username: this.uid.toLowerCase(),
+            username: this.uid.toLowerCase(),
         }
     }
 
     static async findByLogin(login) {
         return this.findOne({
             active: true,
-            uid: login,
+            uid: login.toLowerCase(),
         })
     }