Merge pull request #67 from mikeops/error-on-missing-endpoint

Converts exception to error when calling getSamlRequestUrl with an empty identityProviderUrl

Author: glena

lib/passport-wsfed-saml2/samlp.js

@@ -195,6 +195,11 @@ Samlp.prototype = {
 
   getSamlRequestUrl: function (opts, callback) {
     var options = xtend(opts || {}, this.options);
+
+    if (!options.identityProviderUrl) {
+      return callback(new Error('Missing value for the identity provider login URL'));
+    }
+
     var parsedUrl = url.parse(options.identityProviderUrl, true);
 
     this.getSamlRequestParams(options, function (err, params) {