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196 lines
7.0 KiB
JavaScript
196 lines
7.0 KiB
JavaScript
#if 0
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Update Service.
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*
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* The Initial Developer of the Original Code is Ben Goodger.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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* Daniel Veditz <dveditz@mozilla.com>
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* Jesper Kristensen <mail@jesperkristensen.dk>
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* Robert Strong <robert.bugzilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#endif
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EXPORTED_SYMBOLS = [ "BadCertHandler", "checkCert" ];
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const Ce = Components.Exception;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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/**
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* Checks if the connection must be HTTPS and if so, only allows built-in
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* certificates and validates application specified certificate attribute
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* values.
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* See bug 340198 and bug 544442.
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*
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* @param aChannel
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* The nsIChannel that will have its certificate checked.
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* @param aAllowNonBuiltInCerts (optional)
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* When true certificates that aren't builtin are allowed. When false
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* or not specified the certificate must be a builtin certificate.
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* @param aCerts (optional)
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* An array of JS objects with names / values corresponding to the
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* channel's expected certificate's attribute names / values. If it
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* isn't null or not specified the the scheme for the channel's
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* originalURI must be https.
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* @throws NS_ERROR_UNEXPECTED if a certificate is expected and the URI scheme
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* is not https.
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* NS_ERROR_ILLEGAL_VALUE if a certificate attribute name from the
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* cert param does not exist or the value for a certificate attribute
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* from the aCerts param is different than the expected value.
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* NS_ERROR_ABORT if the certificate issuer is not built-in.
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*/
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function checkCert(aChannel, aAllowNonBuiltInCerts, aCerts) {
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if (!aChannel.originalURI.schemeIs("https")) {
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// Require https if there are certificate values to verify
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if (aCerts) {
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throw new Ce("SSL is required and URI scheme is not https.",
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Cr.NS_ERROR_UNEXPECTED);
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}
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return;
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}
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var cert =
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aChannel.securityInfo.QueryInterface(Ci.nsISSLStatusProvider).
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SSLStatus.QueryInterface(Ci.nsISSLStatus).serverCert;
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if (aCerts) {
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for (var i = 0; i < aCerts.length; ++i) {
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var error = false;
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var certAttrs = aCerts[i];
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for (var name in certAttrs) {
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if (!(name in cert)) {
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error = true;
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Cu.reportError("Expected attribute '" + name + "' not present in " +
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"certificate.");
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break;
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}
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if (cert[name] != certAttrs[name]) {
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error = true;
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Cu.reportError("Expected certificate attribute '" + name + "' " +
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"value incorrect, expected: '" + certAttrs[name] +
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"', got: '" + cert[name] + "'.");
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break;
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}
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}
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if (!error)
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break;
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}
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if (error) {
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const certCheckErr = "Certificate checks failed. See previous errors " +
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"for details.";
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Cu.reportError(certCheckErr);
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throw new Ce(certCheckErr, Cr.NS_ERROR_ILLEGAL_VALUE);
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}
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}
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if (aAllowNonBuiltInCerts === true)
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return;
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var issuerCert = cert;
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while (issuerCert.issuer && !issuerCert.issuer.equals(issuerCert))
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issuerCert = issuerCert.issuer;
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const certNotBuiltInErr = "Certificate issuer is not built-in.";
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if (!issuerCert)
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throw new Ce(certNotBuiltInErr, Cr.NS_ERROR_ABORT);
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issuerCert = issuerCert.QueryInterface(Ci.nsIX509Cert3);
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var tokenNames = issuerCert.getAllTokenNames({});
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if (!tokenNames || !tokenNames.some(isBuiltinToken))
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throw new Ce(certNotBuiltInErr, Cr.NS_ERROR_ABORT);
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}
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function isBuiltinToken(tokenName) {
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return tokenName == "Builtin Object Token";
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}
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/**
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* This class implements nsIBadCertListener. Its job is to prevent "bad cert"
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* security dialogs from being shown to the user. It is better to simply fail
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* if the certificate is bad. See bug 304286.
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*
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* @param aAllowNonBuiltInCerts (optional)
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* When true certificates that aren't builtin are allowed. When false
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* or not specified the certificate must be a builtin certificate.
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*/
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function BadCertHandler(aAllowNonBuiltInCerts) {
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this.allowNonBuiltInCerts = aAllowNonBuiltInCerts;
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}
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BadCertHandler.prototype = {
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// nsIChannelEventSink
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asyncOnChannelRedirect: function(oldChannel, newChannel, flags, callback) {
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if (this.allowNonBuiltInCerts) {
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callback.onRedirectVerifyCallback(Components.results.NS_OK);
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return;
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}
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// make sure the certificate of the old channel checks out before we follow
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// a redirect from it. See bug 340198.
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// Don't call checkCert for internal redirects. See bug 569648.
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if (!(flags & Ci.nsIChannelEventSink.REDIRECT_INTERNAL))
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checkCert(oldChannel);
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callback.onRedirectVerifyCallback(Components.results.NS_OK);
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},
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// Suppress any certificate errors
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notifyCertProblem: function(socketInfo, status, targetSite) {
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return true;
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},
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// Suppress any ssl errors
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notifySSLError: function(socketInfo, error, targetSite) {
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return true;
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},
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// nsIInterfaceRequestor
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getInterface: function(iid) {
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return this.QueryInterface(iid);
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},
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// nsISupports
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QueryInterface: function(iid) {
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if (!iid.equals(Ci.nsIChannelEventSink) &&
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!iid.equals(Ci.nsIBadCertListener2) &&
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!iid.equals(Ci.nsISSLErrorListener) &&
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!iid.equals(Ci.nsIInterfaceRequestor) &&
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!iid.equals(Ci.nsISupports))
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throw Cr.NS_ERROR_NO_INTERFACE;
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return this;
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}
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};
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