89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/libjingle/xmpp/xmppauth.h"
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#include <algorithm>
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#include "webrtc/libjingle/xmpp/constants.h"
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#include "webrtc/libjingle/xmpp/saslcookiemechanism.h"
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#include "webrtc/libjingle/xmpp/saslplainmechanism.h"
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XmppAuth::XmppAuth() : done_(false) {
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}
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XmppAuth::~XmppAuth() {
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}
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void XmppAuth::StartPreXmppAuth(const buzz::Jid& jid,
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const rtc::SocketAddress& server,
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const rtc::CryptString& pass,
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const std::string& auth_mechanism,
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const std::string& auth_token) {
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jid_ = jid;
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passwd_ = pass;
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auth_mechanism_ = auth_mechanism;
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auth_token_ = auth_token;
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done_ = true;
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SignalAuthDone();
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}
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static bool contains(const std::vector<std::string>& strings,
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const std::string& string) {
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return std::find(strings.begin(), strings.end(), string) != strings.end();
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}
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std::string XmppAuth::ChooseBestSaslMechanism(
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const std::vector<std::string>& mechanisms,
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bool encrypted) {
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// First try Oauth2.
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if (GetAuthMechanism() == buzz::AUTH_MECHANISM_OAUTH2 &&
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contains(mechanisms, buzz::AUTH_MECHANISM_OAUTH2)) {
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return buzz::AUTH_MECHANISM_OAUTH2;
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}
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// A token is the weakest auth - 15s, service-limited, so prefer it.
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if (GetAuthMechanism() == buzz::AUTH_MECHANISM_GOOGLE_TOKEN &&
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contains(mechanisms, buzz::AUTH_MECHANISM_GOOGLE_TOKEN)) {
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return buzz::AUTH_MECHANISM_GOOGLE_TOKEN;
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}
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// A cookie is the next weakest - 14 days.
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if (GetAuthMechanism() == buzz::AUTH_MECHANISM_GOOGLE_COOKIE &&
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contains(mechanisms, buzz::AUTH_MECHANISM_GOOGLE_COOKIE)) {
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return buzz::AUTH_MECHANISM_GOOGLE_COOKIE;
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}
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// As a last resort, use plain authentication.
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if (contains(mechanisms, buzz::AUTH_MECHANISM_PLAIN)) {
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return buzz::AUTH_MECHANISM_PLAIN;
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}
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// No good mechanism found
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return "";
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}
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buzz::SaslMechanism* XmppAuth::CreateSaslMechanism(
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const std::string& mechanism) {
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if (mechanism == buzz::AUTH_MECHANISM_OAUTH2) {
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return new buzz::SaslCookieMechanism(
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mechanism, jid_.Str(), auth_token_, "oauth2");
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} else if (mechanism == buzz::AUTH_MECHANISM_GOOGLE_TOKEN) {
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return new buzz::SaslCookieMechanism(mechanism, jid_.Str(), auth_token_);
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// } else if (mechanism == buzz::AUTH_MECHANISM_GOOGLE_COOKIE) {
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// return new buzz::SaslCookieMechanism(mechanism, jid.Str(), sid_);
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} else if (mechanism == buzz::AUTH_MECHANISM_PLAIN) {
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return new buzz::SaslPlainMechanism(jid_, passwd_);
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} else {
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return NULL;
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}
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}
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