Call university ip matcher api when checking notifications

services/web/app/coffee/Features/Notifications/NotificationsBuilder.coffee

@@ -1,5 +1,7 @@
 logger = require("logger-sharelatex")
 NotificationsHandler = require("./NotificationsHandler")
+request = require "request"
+settings = require "settings-sharelatex"
 
 module.exports =
 
@@ -29,3 +31,16 @@ module.exports =
 			NotificationsHandler.createNotification user._id, @key, "notification_project_invite", messageOpts, invite.expires, callback
 		read:  (callback=()->) ->
 			NotificationsHandler.markAsReadByKeyOnly @key, callback
+
+	ipMatcherAffiliation: (userId, ip) ->
+		return null unless settings?.apis?.v1?.url # service is not configured
+		request {
+			method: 'GET'
+			url: "#{settings.apis.v1.url}/api/v2/users/ip_matcher/#{userId}"
+			auth: { user: settings.apis.v1.user, pass: settings.apis.v1.pass }
+			body: { ip: ip }
+			json: true
+			timeout: 20 * 1000
+		}, (error, response, body) ->
+			return error if error?
+			return null if response.statusCode == 204

services/web/app/coffee/Features/Notifications/NotificationsController.coffee

@@ -1,12 +1,22 @@
 NotificationsHandler = require("./NotificationsHandler")
+NotificationsBuilder = require("./NotificationsBuilder")
 AuthenticationController = require("../Authentication/AuthenticationController")
+Settings = require 'settings-sharelatex'
 logger = require("logger-sharelatex")
 _ = require("underscore")
 
 module.exports =
 
 	getAllUnreadNotifications: (req, res)->
+		ip = req.headers['x-forwarded-for'] ||
+		 req.connection.remoteAddress ||
+		 req.socket.remoteAddress
 		user_id = AuthenticationController.getLoggedInUserId(req)
+
+		# in v2 add notifications for matching university IPs
+		if Settings.overleaf?
+			NotificationsBuilder.ipMatcherAffiliation(user_id, ip)
+
 		NotificationsHandler.getUserNotifications user_id, (err, unreadNotifications)->
 			unreadNotifications = _.map unreadNotifications, (notification)->
 				notification.html = req.i18n.translate(notification.templateKey, notification.messageOpts)