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/* 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/. */
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
import { RemotePageChild } from "resource://gre/actors/RemotePageChild.sys.mjs";
const lazy = {};
XPCOMUtils.defineLazyServiceGetter(
lazy,
"@mozilla.org/network/serialization-helper;1",
"nsISerializationHelper"
);
export class AboutHttpsOnlyErrorChild extends RemotePageChild {
actorCreated() {
super.actorCreated();
// If you add a new function, remember to add it to RemotePageAccessManager.sys.mjs
// to allow content-privileged about:httpsonlyerror to use it.
const exportableFunctions = [
"RPMTryPingSecureWWWLink",
"RPMOpenSecureWWWLink",
];
this.exportFunctions(exportableFunctions);
}
RPMTryPingSecureWWWLink() {
// try if the page can be reached with www prefix
// if so send message to the parent to send message to the error page to display
// suggestion button for www
const httpsOnlySuggestionPref = Services.prefs.getBoolPref(
"dom.security.https_only_mode_error_page_user_suggestions"
);
// only check if pref is true otherwise return
if (!httpsOnlySuggestionPref) {
return;
}
// get the host url without the path with www in front
const wwwURL = "https://www." + this.contentWindow.location.host;
fetch(wwwURL, {
credentials: "omit",
cache: "no-store",
})
.then(data => {
if (data.status === 200) {
this.contentWindow.dispatchEvent(
new this.contentWindow.CustomEvent("pingSecureWWWLinkSuccess")
);
}
})
.catch(() => {
dump("No secure www suggestion possible for " + wwwURL);
});
}
RPMOpenSecureWWWLink() {
// if user wants to visit suggested secure www page: visit page with www prefix and delete errorpage from history
const context = this.manager.browsingContext;
const docShell = context.docShell;
const httpChannel = docShell.failedChannel.QueryInterface(
Ci.nsIHttpChannel
);
const webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
const triggeringPrincipal =
docShell.failedChannel.loadInfo.triggeringPrincipal;
const oldURI = httpChannel.URI;
const newWWWURI = oldURI
.mutate()
.setHost("www." + oldURI.host)
.finalize();
webNav.loadURI(newWWWURI, {
triggeringPrincipal,
loadFlags: Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY,
});
}
}
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