diff options
Diffstat (limited to 'browser/extensions/webcompat/shims/salesforce.js')
-rw-r--r-- | browser/extensions/webcompat/shims/salesforce.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/shims/salesforce.js b/browser/extensions/webcompat/shims/salesforce.js new file mode 100644 index 0000000000..b51faa5f93 --- /dev/null +++ b/browser/extensions/webcompat/shims/salesforce.js @@ -0,0 +1,47 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +/** + * Bug 1855139 - The pop-up for "Où trouver ma référence ?" option is blank at + * garantie30minutes.sncf.com with ETP set to STANDARD + * + * emeraude.my.salesforce.com is marked as a tracker, and it tries to access localstorage, but the + * script returned does not handle the error. The shim replaces localstorage with a fake + * interface to avoid the error. + * + */ + +/* globals cloneInto */ + +(function () { + const win = window.wrappedJSObject; + + try { + // We only replace the indexedDB when emeraude.my.salesforce.com is loaded in a + // third-party context. Note that this is not strictly correct because + // this is a cross-origin check but not a third-party check. + if (win.parent == win || win.location.origin == win.top.location.origin) { + return; + } + } catch (e) { + // If we get a security error when accessing the top-level origin, this + // shows that the window is in a cross-origin context. In this case, we can + // proceed to apply the shim. + if (e.name != "SecurityError") { + throw e; + } + } + + const emptyMsg = cloneInto({ message: "" }, window); + + const idb = { + open: () => win.Promise.reject(emptyMsg), + }; + + Object.defineProperty(win, "indexedDB", { + value: cloneInto(idb, window, { cloneFunctions: true }), + }); +})(); |