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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /uriloader/exthandler/WebHandlerApp.sys.mjs
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'uriloader/exthandler/WebHandlerApp.sys.mjs')
-rw-r--r--uriloader/exthandler/WebHandlerApp.sys.mjs185
1 files changed, 185 insertions, 0 deletions
diff --git a/uriloader/exthandler/WebHandlerApp.sys.mjs b/uriloader/exthandler/WebHandlerApp.sys.mjs
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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/. */
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+ PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
+});
+
+import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
+
+export function nsWebHandlerApp() {}
+
+nsWebHandlerApp.prototype = {
+ classDescription: "A web handler for protocols and content",
+ classID: Components.ID("8b1ae382-51a9-4972-b930-56977a57919d"),
+ contractID: "@mozilla.org/uriloader/web-handler-app;1",
+ QueryInterface: ChromeUtils.generateQI(["nsIWebHandlerApp", "nsIHandlerApp"]),
+
+ _name: null,
+ _detailedDescription: null,
+ _uriTemplate: null,
+
+ // nsIHandlerApp
+
+ get name() {
+ return this._name;
+ },
+
+ set name(aName) {
+ this._name = aName;
+ },
+
+ get detailedDescription() {
+ return this._detailedDescription;
+ },
+
+ set detailedDescription(aDesc) {
+ this._detailedDescription = aDesc;
+ },
+
+ equals(aHandlerApp) {
+ if (!aHandlerApp) {
+ throw Components.Exception("", Cr.NS_ERROR_NULL_POINTER);
+ }
+
+ if (
+ aHandlerApp instanceof Ci.nsIWebHandlerApp &&
+ aHandlerApp.uriTemplate &&
+ this.uriTemplate &&
+ aHandlerApp.uriTemplate == this.uriTemplate
+ ) {
+ return true;
+ }
+ return false;
+ },
+
+ launchWithURI(aURI, aBrowsingContext) {
+ // XXX need to strip passwd & username from URI to handle, as per the
+ // WhatWG HTML5 draft. nsSimpleURL, which is what we're going to get,
+ // can't do this directly. Ideally, we'd fix nsStandardURL to make it
+ // possible to turn off all of its quirks handling, and use that...
+
+ let { scheme } = aURI;
+ if (scheme == "ftp" || scheme == "ftps" || scheme == "sftp") {
+ // FTP URLs are parsed by nsStandardURL, so clearing the username and
+ // password does not throw.
+ aURI = aURI.mutate().setUserPass("").finalize();
+ }
+
+ // encode the URI to be handled
+ var escapedUriSpecToHandle = encodeURIComponent(aURI.spec);
+
+ // insert the encoded URI and create the object version.
+ var uriToSend = Services.io.newURI(
+ this.uriTemplate.replace("%s", escapedUriSpecToHandle)
+ );
+
+ let policy = WebExtensionPolicy.getByURI(uriToSend);
+ let privateAllowed = !policy || policy.privateBrowsingAllowed;
+
+ if (!scheme.startsWith("web+") && !scheme.startsWith("ext+")) {
+ // If we're in a frame, check if we're a built-in scheme, in which case,
+ // override the target browsingcontext. It's not a good idea to try to
+ // load mail clients or other apps with potential for logged in data into
+ // iframes, and in any case it's unlikely to work due to framing
+ // restrictions employed by the target site.
+ if (aBrowsingContext && aBrowsingContext != aBrowsingContext.top) {
+ aBrowsingContext = null;
+ }
+
+ // Unset the browsing context when in a pinned tab and changing hosts
+ // to force loading the mail handler in a new unpinned tab.
+ if (aBrowsingContext?.top.isAppTab) {
+ let docURI = aBrowsingContext.currentWindowGlobal.documentURI;
+ let docHost, sendHost;
+
+ try {
+ docHost = docURI?.host;
+ sendHost = uriToSend?.host;
+ } catch (e) {}
+
+ // Special case: ignore "www" prefix if it is part of host string
+ if (docHost?.startsWith("www.")) {
+ docHost = docHost.replace(/^www\./, "");
+ }
+ if (sendHost?.startsWith("www.")) {
+ sendHost = sendHost.replace(/^www\./, "");
+ }
+
+ if (docHost != sendHost) {
+ aBrowsingContext = null;
+ }
+ }
+ }
+
+ // if we have a context, use the URI loader to load there
+ if (aBrowsingContext) {
+ if (aBrowsingContext.usePrivateBrowsing && !privateAllowed) {
+ throw Components.Exception(
+ "Extension not allowed in private windows.",
+ Cr.NS_ERROR_FILE_NOT_FOUND
+ );
+ }
+
+ let triggeringPrincipal =
+ Services.scriptSecurityManager.getSystemPrincipal();
+ Services.tm.dispatchToMainThread(() =>
+ aBrowsingContext.loadURI(uriToSend, { triggeringPrincipal })
+ );
+ return;
+ }
+
+ // The window type depends on the app.
+ const windowType =
+ AppConstants.MOZ_APP_NAME == "thunderbird"
+ ? "mail:3pane"
+ : "navigator:browser";
+ let win = Services.wm.getMostRecentWindow(windowType);
+
+ // If this is an extension handler, check private browsing access.
+ if (!privateAllowed && lazy.PrivateBrowsingUtils.isWindowPrivate(win)) {
+ throw Components.Exception(
+ "Extension not allowed in private windows.",
+ Cr.NS_ERROR_FILE_NOT_FOUND
+ );
+ }
+
+ // If we get an exception, there are several possible reasons why:
+ // a) this gecko embedding doesn't provide an nsIBrowserDOMWindow
+ // implementation (i.e. doesn't support browser-style functionality),
+ // so we need to kick the URL out to the OS default browser. This is
+ // the subject of bug 394479.
+ // b) this embedding does provide an nsIBrowserDOMWindow impl, but
+ // there doesn't happen to be a browser window open at the moment; one
+ // should be opened. It's not clear whether this situation will really
+ // ever occur in real life. If it does, the only API that I can find
+ // that seems reasonably likely to work for most embedders is the
+ // command line handler.
+ // c) something else went wrong
+ //
+ // It's not clear how one would differentiate between the three cases
+ // above, so for now we don't catch the exception.
+
+ // openURI
+ win.browserDOMWindow.openURI(
+ uriToSend,
+ null, // no window.opener
+ Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
+ Ci.nsIBrowserDOMWindow.OPEN_NEW,
+ Services.scriptSecurityManager.getSystemPrincipal()
+ );
+ },
+
+ // nsIWebHandlerApp
+
+ get uriTemplate() {
+ return this._uriTemplate;
+ },
+
+ set uriTemplate(aURITemplate) {
+ this._uriTemplate = aURITemplate;
+ },
+};