Fix download of backupa archive

src/_helpers/util.js

@@ -184,21 +184,31 @@ export const util = {
         }
     },
 
+    handleResponseToDownloadAsFile: function(fileName) {
+        return function(response) {
+            return downloadBlob(response.blob(), fileName);
+        };
+    },
+
     handleDataToDownloadAsFile: function(fileName, mimeType) {
         return function(data) {
-            // Original taken from: https://javascript.info/blob#blob-as-url
-            const uri = URL.createObjectURL(new Blob([data], {type: mimeType}));
-            try {
-                util.downloadURI(uri, fileName);
-            } catch(err) {
-                return Promise.reject(err);
-            } finally {
-                URL.revokeObjectURL(uri);
-            }
-            return 'ok';
+            return downloadBlob(new Blob([data], {type: mimeType}), fileName);
         };
     },
 
+    downloadBlob: function(blob, fileName) {
+        // Original taken from: https://javascript.info/blob#blob-as-url
+        const uri = URL.createObjectURL(blob);
+        try {
+            util.downloadURI(uri, fileName);
+        } catch(err) {
+            return Promise.reject(err);
+        } finally {
+            URL.revokeObjectURL(uri);
+        }
+        return 'ok';
+    },
+
     downloadURI: function(uri, name) {
         const link = document.createElement("a");
         link.download = name;

src/_services/network.service.js

@@ -93,8 +93,7 @@ function retrieveBackupPackage(userId, networkId, code, password, backupId, mess
     return fetch(
             `${config.apiUrl}/users/${userId}/networks/${networkId}/actions/keys/${code}/backups/${backupId}/download`,
             util.postWithAuth({ name: 'password', value: password })
-    ).then(r => r.text())
-     .then(util.handleDataToDownloadAsFile('backup.' + networkId + '.zip.cpt', 'application/octet-stream'));
+    ).then(util.handleResponseToDownloadAsFile('backup.' + networkId + '.tgz.enc'));
 }
 
 function getNetworkBackups(userId, networkId, messages, errors) {