web: prevent openURL action on ios devices if url is redirect

web/src/lib/download.ts

@@ -4,16 +4,31 @@ import settings from "$lib/state/settings";
 
 import { device } from "$lib/device";
 import { t } from "$lib/i18n/translations";
-
 import { createDialog } from "$lib/dialogs";
-import type { DialogInfo } from "$lib/types/dialog";
 
-const openSavingDialog = ({ url, file, body }: { url?: string, file?: File, body?: string }) => {
+import type { DialogInfo } from "$lib/types/dialog";
+import type { CobaltFileUrlType } from "$lib/types/api";
+
+type DownloadFileParams = {
+    url?: string,
+    file?: File,
+    urlType?: CobaltFileUrlType,
+}
+
+type SavingDialogParams = {
+    url?: string,
+    file?: File,
+    body?: string,
+    urlType?: CobaltFileUrlType,
+}
+
+const openSavingDialog = ({ url, file, body, urlType }: SavingDialogParams) => {
     const dialogData: DialogInfo = {
         type: "saving",
         id: "saving",
         file,
         url,
+        urlType,
     }
     if (body) dialogData.bodyText = body;
 
@@ -60,13 +75,13 @@ export const copyURL = async (url: string) => {
     return await navigator?.clipboard?.writeText(url);
 }
 
-export const downloadFile = ({ url, file }: { url?: string, file?: File }) => {
+export const downloadFile = ({ url, file, urlType }: DownloadFileParams) => {
     if (!url && !file) throw new Error("attempted to download void");
 
     const pref = get(settings).save.savingMethod;
 
     if (pref === "ask") {
-        return openSavingDialog({ url, file });
+        return openSavingDialog({ url, file, urlType });
     }
 
     /*
@@ -85,6 +100,7 @@ export const downloadFile = ({ url, file }: { url?: string, file?: File }) => {
             url,
             file,
             body: get(t)("dialog.saving.timeout"),
+            urlType
         });
     }
 
@@ -100,7 +116,8 @@ export const downloadFile = ({ url, file }: { url?: string, file?: File }) => {
         if (url) {
             if (pref === "share" && device.supports.share) {
                 return shareURL(url);
-            } else if (pref === "download" && device.supports.directDownload) {
+            } else if (pref === "download" && device.supports.directDownload
+                    && !(device.is.iOS && urlType === "redirect")) {
                 return openURL(url);
             } else if (pref === "copy" && !file) {
                 return copyURL(url);
@@ -108,5 +125,5 @@ export const downloadFile = ({ url, file }: { url?: string, file?: File }) => {
         }
     } catch { /* catch & ignore */ }
 
-    return openSavingDialog({ url, file });
+    return openSavingDialog({ url, file, urlType });
 }