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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/url_security_manager.h"
#include <urlmon.h>
#pragma comment(lib, "urlmon.lib")
#include "base/scoped_comptr_win.h"
#include "base/string_util.h"
#include "googleurl/src/gurl.h"
// The Windows implementation of URLSecurityManager uses WinINet/IE's
// URL security zone manager. See the MSDN page "URL Security Zones" at
// http://msdn.microsoft.com/en-us/library/ms537021(VS.85).aspx for more
// info on the Internet Security Manager and Internet Zone Manager objects.
namespace net {
class URLSecurityManagerWin : public URLSecurityManager {
public:
URLSecurityManagerWin();
// URLSecurityManager methods:
virtual bool CanUseDefaultCredentials(const GURL& auth_origin) const;
private:
ScopedComPtr<IInternetSecurityManager> security_manager_;
};
URLSecurityManagerWin::URLSecurityManagerWin() {
HRESULT hr = CoInternetCreateSecurityManager(NULL,
security_manager_.Receive(),
NULL);
DCHECK(SUCCEEDED(hr));
}
bool URLSecurityManagerWin::CanUseDefaultCredentials(
const GURL& auth_origin) const {
if (!security_manager_) {
NOTREACHED(); // The code in the constructor failed.
return false;
}
std::wstring url_w = ASCIIToWide(auth_origin.spec());
DWORD policy = 0;
HRESULT hr;
hr = security_manager_->ProcessUrlAction(url_w.c_str(),
URLACTION_CREDENTIALS_USE,
reinterpret_cast<BYTE*>(&policy),
sizeof(policy), NULL, 0,
PUAF_NOUI, 0);
if (FAILED(hr)) {
LOG(ERROR) << "IInternetSecurityManager::ProcessUrlAction failed: " << hr;
return false;
}
// Four possible policies for URLACTION_CREDENTIALS_USE. See the MSDN page
// "About URL Security Zones" at
// http://msdn.microsoft.com/en-us/library/ms537183(VS.85).aspx
switch (policy) {
case URLPOLICY_CREDENTIALS_SILENT_LOGON_OK:
return true;
case URLPOLICY_CREDENTIALS_CONDITIONAL_PROMPT: {
// This policy means "prompt the user for permission if the resource is
// not located in the Intranet zone". TODO(wtc): Note that it's
// prompting for permission (to use the default credentials), as opposed
// to prompting the user to enter a user name and password.
// URLZONE_LOCAL_MACHINE 0
// URLZONE_INTRANET 1
// URLZONE_TRUSTED 2
// URLZONE_INTERNET 3
// URLZONE_UNTRUSTED 4
DWORD zone = 0;
hr = security_manager_->MapUrlToZone(url_w.c_str(), &zone, 0);
if (FAILED(hr)) {
LOG(ERROR) << "IInternetSecurityManager::MapUrlToZone failed: " << hr;
return false;
}
return zone <= URLZONE_INTRANET;
}
case URLPOLICY_CREDENTIALS_MUST_PROMPT_USER:
return false;
case URLPOLICY_CREDENTIALS_ANONYMOUS_ONLY:
// TODO(wtc): we should fail the authentication.
return false;
default:
NOTREACHED();
return false;
}
}
// static
URLSecurityManager* URLSecurityManager::Create() {
return new URLSecurityManagerWin;
}
} // namespace net
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