Firing new hook `filter:auth.list`

This new plugins allows SSO services to list whether a
user has authenticated via that service, and will display
as such in the user's profile editing screen.

public/language/en_GB/user.json

@@ -101,5 +101,9 @@
 	"grouptitle": "Select the group title you would like to display",
 	"no-group-title": "No group title",
 
-	"select-skin": "Select a Skin"
+	"select-skin": "Select a Skin",
+
+	"sso.title": "Single Sign-on Services",
+	"sso.associated": "Associated with",
+	"sso.not-associated": "Click here to associate with"
 }

src/controllers/accounts.js

@@ -49,7 +49,11 @@ function getUserDataByUserSlug(userslug, callerUID, callback) {
 			},
 			groups: function(next) {
 				groups.getUserGroups([uid], next);
-			}
+			},
+			sso: async.apply(plugins.fireHook, 'filter:auth.list', {
+				uid: uid,
+				associations: []
+			})
 		}, function(err, results) {
 			if (err || !results.userData) {
 				return callback(err || new Error('[[error:invalid-uid]]'));
@@ -88,6 +92,7 @@ function getUserDataByUserSlug(userslug, callerUID, callback) {
 			userData.disableSignatures = meta.config.disableSignatures !== undefined && parseInt(meta.config.disableSignatures, 10) === 1;
 			userData['email:confirmed'] = !!parseInt(userData['email:confirmed'], 10);
 			userData.profile_links = results.profile_links;
+			userData.sso = results.sso.associations;
 			userData.status = require('../socket.io').isUserOnline(userData.uid) ? (userData.status || 'online') : 'offline';
 			userData.banned = parseInt(userData.banned, 10) === 1;
 			userData.website = validator.escape(userData.website);

src/file.js

@@ -55,7 +55,7 @@ file.isFileTypeAllowed = function(path, allowedExtensions, callback) {
 		var uploadedFileExtension = mime.extension(mimeType);
 
 		if (allowedExtensions.indexOf(uploadedFileExtension) === -1) {
-			return callback(new Error('[[error:invalid-file-type, ' + allowedExtensions.join('-') + ']]'));
+			return callback(new Error('[[error:invalid-file-type, ' + allowedExtensions.join(', ') + ']]'));
 		}
 
 		callback();