Add Base64ZipDialog to PairDrop via share-menu on iOS

public/scripts/ui.js

@@ -990,6 +990,45 @@ class ReceiveTextDialog extends Dialog {
     }
 }
 
+class Base64ZipDialog extends Dialog {
+
+    constructor() {
+        super('base64ZipDialog');
+        const urlParams = new URL(window.location).searchParams;
+        const base64zip = urlParams.get('base64zip');
+        this.$pasteBtn = this.$el.querySelector('#base64ZipPasteBtn')
+        this.$pasteBtn.addEventListener('click', _ => this.processClipboard())
+        if (base64zip) this.show();
+    }
+
+    async processClipboard() {
+        this.$pasteBtn.pointerEvents = "none";
+        this.$pasteBtn.innerText = "Processing...";
+        try {
+            const base64zip = await navigator.clipboard.readText();
+            let bstr = atob(base64zip), n = bstr.length, u8arr = new Uint8Array(n);
+            while (n--) {
+                u8arr[n] = bstr.charCodeAt(n);
+            }
+
+            const zipBlob = new File([u8arr], 'archive.zip');
+
+            let files = [];
+            const zipEntries = await zipper.getEntries(zipBlob);
+            for (let i = 0; i < zipEntries.length; i++) {
+                let fileBlob = await zipper.getData(zipEntries[i]);
+                files.push(new File([fileBlob], zipEntries[i].filename));
+            }
+            Events.fire('activate-paste-mode', {files: files, text: ""})
+        } catch (e) {
+            Events.fire('notify-user', 'Clipboard content is malformed.')
+        } finally {
+            window.history.replaceState({}, "Rewrite URL", '/');
+            this.hide();
+        }
+    }
+}
+
 class Toast extends Dialog {
     constructor() {
         super('toast');
@@ -1155,9 +1194,8 @@ class WebShareTargetUI {
                     })
                 caches.delete("share_target_files").then( _ => console.log("shared files deleted from cache"));
             }
-            window.history.replaceState({}, "Rewrite URL", '/'); //remove room_key from url
+            window.history.replaceState({}, "Rewrite URL", '/');
         }
-
     }
 }
 
@@ -1391,6 +1429,7 @@ class PairDrop {
             const receiveTextDialog = new ReceiveTextDialog();
             const pairDeviceDialog = new PairDeviceDialog();
             const clearDevicesDialog = new ClearDevicesDialog();
+            const base64ZipDialog = new Base64ZipDialog();
             const toast = new Toast();
             const notifications = new Notifications();
             const networkStatusUI = new NetworkStatusUI();