mirror of
https://github.com/classilla/tenfourfox.git
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119 lines
3.6 KiB
JavaScript
119 lines
3.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict"
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var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
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this.EXPORTED_SYMBOLS = ["SSLExceptions"];
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/**
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A class to add exceptions to override SSL certificate problems. The functionality
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itself is borrowed from exceptionDialog.js.
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*/
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function SSLExceptions() {
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this._overrideService = Cc["@mozilla.org/security/certoverride;1"]
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.getService(Ci.nsICertOverrideService);
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}
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SSLExceptions.prototype = {
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_overrideService: null,
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_sslStatus: null,
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getInterface: function SSLE_getInterface(aIID) {
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return this.QueryInterface(aIID);
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},
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QueryInterface: function SSLE_QueryInterface(aIID) {
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if (aIID.equals(Ci.nsIBadCertListener2) ||
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aIID.equals(Ci.nsISupports))
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return this;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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},
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/**
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To collect the SSL status we intercept the certificate error here
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and store the status for later use.
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*/
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notifyCertProblem: function SSLE_notifyCertProblem(socketInfo, sslStatus, targetHost) {
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this._sslStatus = sslStatus.QueryInterface(Ci.nsISSLStatus);
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return true; // suppress error UI
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},
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/**
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Attempt to download the certificate for the location specified to get the SSLState
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for the certificate and the errors.
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*/
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_checkCert: function SSLE_checkCert(aURI) {
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this._sslStatus = null;
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let req = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
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try {
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if (aURI) {
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req.open("GET", aURI.prePath, false);
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req.channel.notificationCallbacks = this;
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req.send(null);
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}
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} catch (e) {
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// We *expect* exceptions if there are problems with the certificate
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// presented by the site. Log it, just in case, but we can proceed here,
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// with appropriate sanity checks
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Components.utils.reportError("Attempted to connect to a site with a bad certificate in the add exception dialog. " +
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"This results in a (mostly harmless) exception being thrown. " +
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"Logged for information purposes only: " + e);
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}
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return this._sslStatus;
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},
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/**
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Internal method to create an override.
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*/
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_addOverride: function SSLE_addOverride(aURI, aWindow, aTemporary) {
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let SSLStatus = this._checkCert(aURI);
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let certificate = SSLStatus.serverCert;
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let flags = 0;
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// in private browsing do not store exceptions permanently ever
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if (PrivateBrowsingUtils.isWindowPrivate(aWindow)) {
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aTemporary = true;
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}
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if (SSLStatus.isUntrusted)
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flags |= this._overrideService.ERROR_UNTRUSTED;
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if (SSLStatus.isDomainMismatch)
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flags |= this._overrideService.ERROR_MISMATCH;
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if (SSLStatus.isNotValidAtThisTime)
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flags |= this._overrideService.ERROR_TIME;
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this._overrideService.rememberValidityOverride(
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aURI.asciiHost,
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aURI.port,
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certificate,
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flags,
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aTemporary);
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},
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/**
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Creates a permanent exception to override all overridable errors for
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the given URL.
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*/
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addPermanentException: function SSLE_addPermanentException(aURI, aWindow) {
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this._addOverride(aURI, aWindow, false);
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},
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/**
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Creates a temporary exception to override all overridable errors for
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the given URL.
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*/
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addTemporaryException: function SSLE_addTemporaryException(aURI, aWindow) {
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this._addOverride(aURI, aWindow, true);
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}
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};
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