penpot/backend/src/app/media/validation.clj
Elena Torro 8455fcf170 wip
2026-09-16 12:29:10 +02:00

71 lines
2.4 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS SUBSIDIARY SL
(ns app.media.validation
"Schemas and validation functions for media uploads.
Leaf namespace — depends on app.common.* and app.config only."
(:require
[app.common.exceptions :as ex]
[app.common.media :as cm]
[app.common.schema :as sm]
[app.config :as cf]
[cuerdas.core :as str]
[datoteka.fs :as fs]))
(def schema:upload
[:map {:title "Upload"}
[:filename :string]
[:size ::sm/int]
[:path ::fs/path]
[:mtype {:optional true} :string]
[:headers {:optional true}
[:map-of :string :string]]])
(def schema:input
[:map {:title "Input"}
[:path ::fs/path]
[:mtype {:optional true} ::sm/text]])
(def check-input
(sm/check-fn schema:input))
(defn validate-media-type!
;; `upload-types` rather than `image-types`: a file can also hold video.
;; Callers that must stay image-only pass `cm/image-types` explicitly.
([upload] (validate-media-type! upload cm/upload-types))
([upload allowed]
(when-not (contains? allowed (:mtype upload))
(ex/raise :type :validation
:code :media-type-not-allowed
:hint "Seems like you are uploading an invalid media object"))
upload))
(defn validate-media-size!
[upload]
(let [max-size (cf/get :media-max-file-size)]
(when (> (:size upload) max-size)
(ex/raise :type :restriction
:code :media-max-file-size-reached
:hint (str/ffmt "the uploaded file size % is greater than the maximum %"
(:size upload)
max-size)))
upload))
(defn validate-font-size!
"Validates that the font file `upload` does not exceed the configured
`:font-max-file-size` limit. Accepts the same map shape as
`validate-media-size!` — requires a `:size` key in bytes."
[upload]
(let [max-size (cf/get :font-max-file-size)]
(when (> (:size upload) max-size)
(ex/raise :type :restriction
:code :font-max-file-size-reached
:hint (str/ffmt "the uploaded font size % is greater than the maximum %"
(:size upload)
max-size)))
upload))