3 files changed, 56 insertions, 1 deletions

diff --git a/api/admin.go b/api/admin.go
index 3ef8c12a8..d9714d6d2 100644
--- a/api/admin.go
+++ b/api/admin.go
@@ -23,8 +23,10 @@ func InitAdmin(r *mux.Router) {
 	sr.Handle("/logs", ApiUserRequired(getLogs)).Methods("GET")
 	sr.Handle("/config", ApiUserRequired(getConfig)).Methods("GET")
 	sr.Handle("/save_config", ApiUserRequired(saveConfig)).Methods("POST")
-	sr.Handle("/client_props", ApiAppHandler(getClientProperties)).Methods("GET")
 	sr.Handle("/test_email", ApiUserRequired(testEmail)).Methods("POST")
+	sr.Handle("/client_props", ApiAppHandler(getClientProperties)).Methods("GET")
+	sr.Handle("/log_client", ApiAppHandler(logClient)).Methods("POST")
+
 }
 
 func getLogs(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -59,6 +61,26 @@ func getClientProperties(c *Context, w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte(model.MapToJson(utils.ClientProperties)))
 }
 
+func logClient(c *Context, w http.ResponseWriter, r *http.Request) {
+	m := model.MapFromJson(r.Body)
+
+	lvl := m["level"]
+	msg := m["message"]
+
+	if len(msg) > 400 {
+		msg = msg[0:399]
+	}
+
+	if lvl == "ERROR" {
+		err := model.NewAppError("client", msg, "")
+		c.LogError(err)
+	}
+
+	rm := make(map[string]string)
+	rm["SUCCESS"] = "true"
+	w.Write([]byte(model.MapToJson(rm)))
+}
+
 func getConfig(c *Context, w http.ResponseWriter, r *http.Request) {
 	if !c.HasSystemAdminPermissions("getConfig") {
 		return
diff --git a/web/react/utils/client.jsx b/web/react/utils/client.jsx
index 715e26197..b1be61fc7 100644
--- a/web/react/utils/client.jsx
+++ b/web/react/utils/client.jsx
@@ -332,6 +332,20 @@ export function saveConfig(config, success, error) {
     });
 }
 
+export function logClientError(msg) {
+    var l = {};
+    l.level = 'ERROR';
+    l.message = msg;
+
+    $.ajax({
+        url: '/api/v1/admin/log_client',
+        dataType: 'json',
+        contentType: 'application/json',
+        type: 'POST',
+        data: JSON.stringify(l)
+    });
+}
+
 export function testEmail(config, success, error) {
     $.ajax({
         url: '/api/v1/admin/test_email',
diff --git a/web/templates/head.html b/web/templates/head.html
index 2b83119d8..faac4975a 100644
--- a/web/templates/head.html
+++ b/web/templates/head.html
@@ -43,13 +43,32 @@
     <script src="/static/js/jquery-dragster/jquery.dragster.js"></script>
 
     <style id="antiClickjack">body{display:none !important;}</style>
+
+    <script>
+        window.onerror = function(msg, url, line, column, stack) {
+            var l = {};
+            l.level = 'ERROR';
+            l.message = 'msg: ' + msg + ' row: ' + line + ' col: ' + column + ' stack: ' + stack + ' url: ' + url;
+
+            $.ajax({
+                url: '/api/v1/admin/log_client',
+                dataType: 'json',
+                contentType: 'application/json',
+                type: 'POST',
+                data: JSON.stringify(l)
+            });
+        }
+    </script>
+
     <script src="/static/js/bundle.js"></script>
+
     <script type="text/javascript">
         if (self === top) {
             var blocker = document.getElementById("antiClickjack");
             blocker.parentNode.removeChild(blocker);
         }
     </script>
+
     <script type="text/javascript">
         if (window.config.SegmentDeveloperKey != null && window.config.SegmentDeveloperKey !== "") {
             !function(){var analytics=window.analytics=window.analytics||[];if(!analytics.initialize)if(analytics.invoked)window.console&&console.error&&console.error("Segment snippet included twice.");else{analytics.invoked=!0;analytics.methods=["trackSubmit","trackClick","trackLink","trackForm","pageview","identify","group","track","ready","alias","page","once","off","on"];analytics.factory=function(t){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);analytics.push(e);return analytics}};for(var t=0;t<analytics.methods.length;t++){var e=analytics.methods[t];analytics[e]=analytics.factory(e)}analytics.load=function(t){var e=document.createElement("script");e.type="text/javascript";e.async=!0;e.src=("https:"===document.location.protocol?"https://":"http://")+"cdn.segment.com/analytics.js/v1/"+t+"/analytics.min.js";var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(e,n)};analytics.SNIPPET_VERSION="3.0.1";