Allow workshop instructions on different host to send Javascript mess…

…ages to dashboard.
educates · Dec 1, 2022 · 84eb60f · 84eb60f
1 parent 7cb737c
commit 84eb60f
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diff --git a/workshop-images/base-environment/opt/gateway/src/backend/views/dashboard-page.pug b/workshop-images/base-environment/opt/gateway/src/backend/views/dashboard-page.pug
@@ -24,6 +24,7 @@ html.no-scrolling
         data-ingress-protocol=config.ingress_protocol,
         data-ingress-port-suffix=config.ingress_port_suffix,
         data-terminal-layout=config.terminal_layout,
+        data-workshop-url=config.workshop_url,
         data-workshop-ready=`${workshop_ready}`,
         data-time-started=`${time_started}`,
         data-page-hits=page_hits)

diff --git a/workshop-images/base-environment/opt/gateway/src/frontend/scripts/eduk8s.ts b/workshop-images/base-environment/opt/gateway/src/frontend/scripts/eduk8s.ts
@@ -1368,6 +1368,17 @@ class Dashboard {
 
         let result = false
 
+        let $body = $("body")
+        let workshop_url = $body.data("workshop-url")
+
+        if (workshop_url && workshop_url.match(/^https?:/)) {
+            let url = new URL(workshop_url)
+
+            if (origin == url.origin) {
+                result = true
+            }
+        }
+
         $(".dashboard-iframe").each((index: number, element: HTMLElement) => {
             let src = element.dataset["src"]