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/* Any copyright is dedicated to the Public Domain.
"use strict";
/**
* If the user has set Firefox itself as a helper app,
* we should force prompting what to do, rather than ending up
* in an infinite loop.
* In an ideal world, we'd also test the case where we are the OS
* default handler app, but that would require test infrastructure
* to make ourselves the OS default (or at least fool ourselves into
* believing we are) which we don't have...
*/
add_task(async function test_helperapp() {
// Set up the test infrastructure:
const mimeSvc = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
const handlerSvc = Cc["@mozilla.org/uriloader/handler-service;1"].getService(
Ci.nsIHandlerService
);
let handlerInfo = mimeSvc.getFromTypeAndExtension("application/x-foo", "foo");
registerCleanupFunction(() => {
handlerSvc.remove(handlerInfo);
});
// Say we want to use a specific app:
handlerInfo.preferredAction = Ci.nsIHandlerInfo.useHelperApp;
handlerInfo.alwaysAskBeforeHandling = false;
// Say it's us:
let selfFile = Services.dirsvc.get("XREExeF", Ci.nsIFile);
// Make sure it's the .app
if (AppConstants.platform == "macosx") {
while (
!selfFile.leafName.endsWith(".app") &&
!selfFile.leafName.endsWith(".app/")
) {
selfFile = selfFile.parent;
}
}
let selfHandlerApp = Cc[
"@mozilla.org/uriloader/local-handler-app;1"
].createInstance(Ci.nsILocalHandlerApp);
selfHandlerApp.executable = selfFile;
handlerInfo.possibleApplicationHandlers.appendElement(selfHandlerApp);
handlerInfo.preferredApplicationHandler = selfHandlerApp;
handlerSvc.store(handlerInfo);
await BrowserTestUtils.withNewTab("about:blank", async browser => {
// Now, do some safety stubbing. If we do end up recursing we spawn
// infinite tabs. We definitely don't want that. Avoid it by stubbing
// our external URL handling bits:
let oldAddTab = gBrowser.addTab;
registerCleanupFunction(() => (gBrowser.addTab = oldAddTab));
let wrongThingHappenedPromise = new Promise(resolve => {
gBrowser.addTab = function (aURI) {
ok(false, "Tried to open unexpected URL in a tab: " + aURI);
resolve(null);
// Pass a dummy object to avoid upsetting BrowserContentHandler -
// if it thinks opening the tab failed, it tries to open a window instead,
// which we can't prevent as easily, and at which point we still end up
// with runaway tabs.
return {};
};
});
let askedUserPromise = BrowserTestUtils.domWindowOpenedAndLoaded();
info("Clicking a link that should open the unknown content type dialog");
await SpecialPowers.spawn(browser, [], () => {
let link = content.document.createElement("a");
link.download = "foo.foo";
link.textContent = "Foo file";
link.href = "data:application/x-foo,hello";
content.document.body.append(link);
link.click();
});
let dialog = await Promise.race([
wrongThingHappenedPromise,
askedUserPromise,
]);
ok(dialog, "Should have gotten a dialog");
Assert.stringContains(
dialog.document.location.href,
"unknownContentType",
"Should have opened correct dialog."
);
let closePromise = BrowserTestUtils.windowClosed(dialog);
dialog.close();
await closePromise;
askedUserPromise = null;
});
});