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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* These tests ensures that disabling features by flipping nsIDocShell.allow*
* properties are (re)stored as disabled. Disallowed features must be
* re-enabled when the tab is re-used by another tab restoration.
*/
add_task(async function docshell_capabilities() {
let tab = await createTab();
let browser = tab.linkedBrowser;
let { browsingContext, docShell } = browser;
// Get the list of capabilities for docShells.
let flags = Object.keys(docShell).filter(k => k.startsWith("allow"));
// Check that everything is allowed by default for new tabs.
let state = JSON.parse(ss.getTabState(tab));
ok(!("disallow" in state), "everything allowed by default");
ok(
flags.every(f => docShell[f]),
"all flags set to true"
);
// Flip a couple of allow* flags.
docShell.allowImages = false;
docShell.allowMetaRedirects = false;
browsingContext.allowJavascript = false;
// Now reload the document to ensure that these capabilities
// are taken into account.
browser.reload();
await promiseBrowserLoaded(browser);
// Flush to make sure chrome received all data.
await TabStateFlusher.flush(browser);
// Check that we correctly save disallowed features.
let disallowedState = JSON.parse(ss.getTabState(tab));
let disallow = new Set(disallowedState.disallow.split(","));
ok(disallow.has("Images"), "images not allowed");
ok(disallow.has("MetaRedirects"), "meta redirects not allowed");
is(disallow.size, 2, "two capabilities disallowed");
// Reuse the tab to restore a new, clean state into it.
await promiseTabState(tab, {
entries: [{ url: "about:robots", triggeringPrincipal_base64 }],
});
// Flush to make sure chrome received all data.
await TabStateFlusher.flush(browser);
// After restoring disallowed features must be available again.
state = JSON.parse(ss.getTabState(tab));
ok(!("disallow" in state), "everything allowed again");
ok(
flags.every(f => docShell[f]),
"all flags set to true"
);
// Restore the state with disallowed features.
await promiseTabState(tab, disallowedState);
// Check that docShell flags are set.
ok(!docShell.allowImages, "images not allowed");
ok(!docShell.allowMetaRedirects, "meta redirects not allowed");
// Check that docShell allowJavascript flag is not set.
ok(browsingContext.allowJavascript, "Javascript still allowed");
// Check that we correctly restored features as disabled.
state = JSON.parse(ss.getTabState(tab));
disallow = new Set(state.disallow.split(","));
ok(disallow.has("Images"), "images not allowed anymore");
ok(disallow.has("MetaRedirects"), "meta redirects not allowed anymore");
ok(!disallow.has("Javascript"), "Javascript still allowed");
is(disallow.size, 2, "two capabilities disallowed");
// Clean up after ourselves.
gBrowser.removeTab(tab);
});
async function createTab() {
let tab = BrowserTestUtils.addTab(gBrowser, "about:rights");
let browser = tab.linkedBrowser;
await promiseBrowserLoaded(browser);
return tab;
}
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