blob: a3d2f678496c3f97f97ce5865a6d59d1a3559079 [file] [log] [blame]
/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/libjingle/xmpp/xmppauth.h"
#include <algorithm>
#include "webrtc/libjingle/xmpp/constants.h"
#include "webrtc/libjingle/xmpp/saslcookiemechanism.h"
#include "webrtc/libjingle/xmpp/saslplainmechanism.h"
XmppAuth::XmppAuth() : done_(false) {
}
XmppAuth::~XmppAuth() {
}
void XmppAuth::StartPreXmppAuth(const buzz::Jid& jid,
const rtc::SocketAddress& server,
const rtc::CryptString& pass,
const std::string& auth_mechanism,
const std::string& auth_token) {
jid_ = jid;
passwd_ = pass;
auth_mechanism_ = auth_mechanism;
auth_token_ = auth_token;
done_ = true;
SignalAuthDone();
}
static bool contains(const std::vector<std::string>& strings,
const std::string& string) {
return std::find(strings.begin(), strings.end(), string) != strings.end();
}
std::string XmppAuth::ChooseBestSaslMechanism(
const std::vector<std::string>& mechanisms,
bool encrypted) {
// First try Oauth2.
if (GetAuthMechanism() == buzz::AUTH_MECHANISM_OAUTH2 &&
contains(mechanisms, buzz::AUTH_MECHANISM_OAUTH2)) {
return buzz::AUTH_MECHANISM_OAUTH2;
}
// A token is the weakest auth - 15s, service-limited, so prefer it.
if (GetAuthMechanism() == buzz::AUTH_MECHANISM_GOOGLE_TOKEN &&
contains(mechanisms, buzz::AUTH_MECHANISM_GOOGLE_TOKEN)) {
return buzz::AUTH_MECHANISM_GOOGLE_TOKEN;
}
// A cookie is the next weakest - 14 days.
if (GetAuthMechanism() == buzz::AUTH_MECHANISM_GOOGLE_COOKIE &&
contains(mechanisms, buzz::AUTH_MECHANISM_GOOGLE_COOKIE)) {
return buzz::AUTH_MECHANISM_GOOGLE_COOKIE;
}
// As a last resort, use plain authentication.
if (contains(mechanisms, buzz::AUTH_MECHANISM_PLAIN)) {
return buzz::AUTH_MECHANISM_PLAIN;
}
// No good mechanism found
return "";
}
buzz::SaslMechanism* XmppAuth::CreateSaslMechanism(
const std::string& mechanism) {
if (mechanism == buzz::AUTH_MECHANISM_OAUTH2) {
return new buzz::SaslCookieMechanism(
mechanism, jid_.Str(), auth_token_, "oauth2");
} else if (mechanism == buzz::AUTH_MECHANISM_GOOGLE_TOKEN) {
return new buzz::SaslCookieMechanism(mechanism, jid_.Str(), auth_token_);
// } else if (mechanism == buzz::AUTH_MECHANISM_GOOGLE_COOKIE) {
// return new buzz::SaslCookieMechanism(mechanism, jid.Str(), sid_);
} else if (mechanism == buzz::AUTH_MECHANISM_PLAIN) {
return new buzz::SaslPlainMechanism(jid_, passwd_);
} else {
return NULL;
}
}