Added back WeKan lockout, ldap, oidc, cas.

Thanks to xet7 !

packages/wekan-ldap/client/loginHelper.js

@@ -0,0 +1,52 @@
+// Pass in username, password as normal
+// customLdapOptions should be passed in if you want to override LDAP_DEFAULTS
+// on any particular call (if you have multiple ldap servers you'd like to connect to)
+// You'll likely want to set the dn value here {dn: "..."}
+Meteor.loginWithLDAP = function(username, password, customLdapOptions, callback) {
+  // Retrieve arguments as array
+  const args = [];
+  for (let i = 0; i < arguments.length; i++) {
+    args.push(arguments[i]);
+  }
+  // Pull username and password
+  username = args.shift();
+  password = args.shift();
+
+  // Check if last argument is a function
+  // if it is, pop it off and set callback to it
+  if (typeof args[args.length-1] === 'function') {
+    callback = args.pop();
+  } else {
+    callback = null;
+  }
+
+  // if args still holds options item, grab it
+  if (args.length > 0) {
+    customLdapOptions = args.shift();
+  } else {
+    customLdapOptions = {};
+  }
+
+  // Set up loginRequest object
+  const loginRequest = {
+    ldap: true,
+    username,
+    ldapPass: password,
+    ldapOptions: customLdapOptions,
+  };
+
+  Accounts.callLoginMethod({
+    // Call login method with ldap = true
+    // This will hook into our login handler for ldap
+    methodArguments: [loginRequest],
+    userCallback(error/*, result*/) {
+      if (error) {
+        if (callback) {
+          callback(error);
+        }
+      } else if (callback) {
+        callback();
+      }
+    },
+  });
+};