feat(boxstore): add one-time download retention mode

Introduce a `one-time` retention option and persist it on the manifest as `one_time_download`. One-time download boxes bypass retention expiry scheduling, force zip downloads, and reject download attempts until all files are complete to prevent partial retrievals.feat(boxstore): add one-time download retention mode

Introduce a `one-time` retention option and persist it on the manifest as `one_time_download`. One-time download boxes bypass retention expiry scheduling, force zip downloads, and reject download attempts until all files are complete to prevent partial retrievals.

static/js/app.js

@@ -14,6 +14,7 @@ const retentionSelect = document.querySelector("#upload-retention");
 const passwordEnabled = document.querySelector("#upload-password-enabled");
 const passwordInput = document.querySelector("#upload-password");
 const zipEnabled = document.querySelector("#upload-zip-enabled");
+const oneTimeRetentionKey = "one-time";
 
 let selectedFiles = [];
 let statusTimer = null;
@@ -118,6 +119,24 @@ function setBoxStatus(message) {
     }
 }
 
+function isOneTimeDownloadSelected() {
+    return retentionSelect && retentionSelect.value === oneTimeRetentionKey;
+}
+
+function updateZipOptionForRetention() {
+    if (!zipEnabled) {
+        return;
+    }
+
+    if (isOneTimeDownloadSelected()) {
+        zipEnabled.checked = true;
+        zipEnabled.disabled = true;
+        return;
+    }
+
+    zipEnabled.disabled = false;
+}
+
 function setBoxLink(path) {
     shareURL = path ? new URL(path, window.location.origin).toString() : "";
 
@@ -257,7 +276,7 @@ async function createBox() {
         body: JSON.stringify({
             retention_key: retentionSelect ? retentionSelect.value : "10s",
             password: passwordEnabled && passwordEnabled.checked && passwordInput ? passwordInput.value : "",
-            allow_zip: !zipEnabled || zipEnabled.checked,
+            allow_zip: isOneTimeDownloadSelected() || !zipEnabled || zipEnabled.checked,
             files: selectedFiles.map((selectedFile) => ({
                 name: selectedFile.file.name,
                 size: selectedFile.file.size,
@@ -383,6 +402,11 @@ if (passwordEnabled && passwordInput) {
     });
 }
 
+if (retentionSelect) {
+    updateZipOptionForRetention();
+    retentionSelect.addEventListener("change", updateZipOptionForRetention);
+}
+
 if (fileInput && dropzone) {
     dropzone.addEventListener("dragover", (event) => {
         event.preventDefault();