зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.8 KiB
JavaScript
104 строки
2.8 KiB
JavaScript
/* 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/. */
|
|
|
|
var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
|
|
|
|
const PREF_TEST_WHITELIST = "browser.uitour.testingOrigins";
|
|
const UITOUR_PERMISSION = "uitour";
|
|
|
|
var UITourListener = {
|
|
handleEvent: function (event) {
|
|
if (!Services.prefs.getBoolPref("browser.uitour.enabled")) {
|
|
return;
|
|
}
|
|
if (!this.ensureTrustedOrigin()) {
|
|
return;
|
|
}
|
|
addMessageListener("UITour:SendPageCallback", this);
|
|
addMessageListener("UITour:SendPageNotification", this);
|
|
sendAsyncMessage("UITour:onPageEvent", {
|
|
detail: event.detail,
|
|
type: event.type,
|
|
pageVisibilityState: content.document.visibilityState,
|
|
});
|
|
},
|
|
|
|
isTestingOrigin: function(aURI) {
|
|
if (Services.prefs.getPrefType(PREF_TEST_WHITELIST) != Services.prefs.PREF_STRING) {
|
|
return false;
|
|
}
|
|
|
|
// Add any testing origins (comma-seperated) to the whitelist for the session.
|
|
for (let origin of Services.prefs.getCharPref(PREF_TEST_WHITELIST).split(",")) {
|
|
try {
|
|
let testingURI = Services.io.newURI(origin, null, null);
|
|
if (aURI.prePath == testingURI.prePath) {
|
|
return true;
|
|
}
|
|
} catch (ex) {
|
|
Cu.reportError(ex);
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
// This function is copied from UITour.jsm.
|
|
isSafeScheme: function(aURI) {
|
|
let allowedSchemes = new Set(["https", "about"]);
|
|
if (!Services.prefs.getBoolPref("browser.uitour.requireSecure"))
|
|
allowedSchemes.add("http");
|
|
|
|
if (!allowedSchemes.has(aURI.scheme))
|
|
return false;
|
|
|
|
return true;
|
|
},
|
|
|
|
ensureTrustedOrigin: function() {
|
|
if (content.top != content)
|
|
return false;
|
|
|
|
let uri = content.document.documentURIObject;
|
|
|
|
if (uri.schemeIs("chrome"))
|
|
return true;
|
|
|
|
if (!this.isSafeScheme(uri))
|
|
return false;
|
|
|
|
let permission = Services.perms.testPermission(uri, UITOUR_PERMISSION);
|
|
if (permission == Services.perms.ALLOW_ACTION)
|
|
return true;
|
|
|
|
return this.isTestingOrigin(uri);
|
|
},
|
|
|
|
receiveMessage: function(aMessage) {
|
|
switch (aMessage.name) {
|
|
case "UITour:SendPageCallback":
|
|
this.sendPageEvent("Response", aMessage.data);
|
|
break;
|
|
case "UITour:SendPageNotification":
|
|
this.sendPageEvent("Notification", aMessage.data);
|
|
break;
|
|
}
|
|
},
|
|
|
|
sendPageEvent: function (type, detail) {
|
|
if (!this.ensureTrustedOrigin()) {
|
|
return;
|
|
}
|
|
|
|
let doc = content.document;
|
|
let eventName = "mozUITour" + type;
|
|
let event = new doc.defaultView.CustomEvent(eventName, {
|
|
bubbles: true,
|
|
detail: Cu.cloneInto(detail, doc.defaultView)
|
|
});
|
|
doc.dispatchEvent(event);
|
|
}
|
|
};
|
|
|
|
addEventListener("mozUITour", UITourListener, false, true);
|