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✨ Detect if rasterizer iframe is blocked

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This commit is contained in:
Andrey Antukh 2023-11-28 18:27:54 +01:00
parent 16c8c4bd2a
commit 99e323dabc
1 changed files with 26 additions and 3 deletions
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29
frontend/src/app/main/rasterizer.cljs
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@ -13,9 +13,11 @@
(:require
[app.common.data :as d]
[app.common.data.macros :as dm]
[app.common.logging :as log]
[app.common.uuid :as uuid]
[app.config :as cf]
[app.util.dom :as dom]
[app.util.http :as http]
[beicon.core :as rx]
[cuerdas.core :as str]))
@ -108,7 +110,28 @@
(let [iframe (dom/create-element "iframe")]
(dom/set-attribute! iframe "src" origin)
(dom/set-attribute! iframe "hidden" true)
(dom/append-child! js/document.body iframe)
(.addEventListener js/window "message" on-message)
(set! instance iframe)
))
(->> (http/fetch {:method :head
:uri cf/rasterizer-uri
:mode :no-cors})
(rx/map (fn [response]
(let [allowed? (not (.-redirected response))]
(when-not allowed?
(log/err :hint "rasterizer iframe blocked by adblocker" :origin origin))
allowed?)))
(rx/catch (fn [cause]
(log/err :hint "rasterizer iframe blocked by adblocker" :origin origin :cause cause)
(rx/of false)))
(rx/subs (fn [allowed?]
(if allowed?
(do
(dom/append-child! js/document.body iframe)
(set! instance iframe))
(let [new-origin (dm/str (assoc cf/public-uri :path "/rasterizer.html"))]
(log/warn :hint "fallback to main domain" :origin new-origin)
(set! origin new-origin)
(dom/set-attribute! iframe "src" new-origin)
(dom/append-child! js/document.body iframe)
(set! instance iframe))))))))