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GUACAMOLE-1745: Ensure deep copies of session storage are created only if necessary.

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This commit is contained in:
Michael Jumper
2023-02-27 14:44:46 -08:00
committed by Mike Jumper
parent 116edebf36
commit b58d236fd2
1 changed files with 15 additions and 4 deletions
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19
guacamole/src/main/frontend/src/app/storage/services/sessionStorageFactory.js
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@@ -70,11 +70,22 @@ angular.module('storage').factory('sessionStorageFactory', ['$injector', functio
if (typeof template === 'function')
getter = template;
// Otherwise, always create a deep copy
else
getter = function getCopy() {
return angular.copy(template);
// Otherwise, create and maintain a deep copy (automatically cached to
// avoid "infdig" errors)
else {
var cached = angular.copy(template);
getter = function getIndependentCopy() {
// Reset to template only if changed externally, such that
// session storage values can be safely used in scope watches
// even if not logged in
if (!_.isEqual(cached, template))
cached = angular.copy(template);
return cached;
};
}
/**
* The current value of this storage, or undefined if not yet set.