| /* |
| * Copyright (C) 2007, 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "WebKitDLL.h" |
| #include "DefaultPolicyDelegate.h" |
| |
| #include <comutil.h> |
| #include <WebCore/BString.h> |
| #include <WebCore/COMPtr.h> |
| #include <wtf/text/WTFString.h> |
| |
| using namespace WebCore; |
| |
| // FIXME: move this enum to a separate header file when other code begins to use it. |
| typedef enum WebExtraNavigationType { |
| WebNavigationTypePlugInRequest = WebNavigationTypeOther + 1 |
| } WebExtraNavigationType; |
| |
| // DefaultPolicyDelegate ---------------------------------------------------------------- |
| |
| DefaultPolicyDelegate::DefaultPolicyDelegate() |
| { |
| gClassCount++; |
| gClassNameCount().add("DefaultPolicyDelegate"); |
| } |
| |
| DefaultPolicyDelegate::~DefaultPolicyDelegate() |
| { |
| gClassCount--; |
| gClassNameCount().remove("DefaultPolicyDelegate"); |
| } |
| |
| DefaultPolicyDelegate* DefaultPolicyDelegate::sharedInstance() |
| { |
| static COMPtr<DefaultPolicyDelegate> shared; |
| if (!shared) |
| shared.adoptRef(DefaultPolicyDelegate::createInstance()); |
| return shared.get(); |
| } |
| |
| DefaultPolicyDelegate* DefaultPolicyDelegate::createInstance() |
| { |
| DefaultPolicyDelegate* instance = new DefaultPolicyDelegate(); |
| instance->AddRef(); |
| return instance; |
| } |
| |
| // IUnknown ------------------------------------------------------------------- |
| |
| HRESULT DefaultPolicyDelegate::QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject) |
| { |
| if (!ppvObject) |
| return E_POINTER; |
| *ppvObject = nullptr; |
| if (IsEqualGUID(riid, IID_IUnknown)) |
| *ppvObject = static_cast<IUnknown*>(this); |
| else if (IsEqualGUID(riid, IID_IWebPolicyDelegate)) |
| *ppvObject = static_cast<IWebPolicyDelegate*>(this); |
| else |
| return E_NOINTERFACE; |
| |
| AddRef(); |
| return S_OK; |
| } |
| |
| ULONG DefaultPolicyDelegate::AddRef() |
| { |
| return ++m_refCount; |
| } |
| |
| ULONG DefaultPolicyDelegate::Release() |
| { |
| ULONG newRef = --m_refCount; |
| if (!newRef) |
| delete(this); |
| |
| return newRef; |
| } |
| |
| HRESULT DefaultPolicyDelegate::decidePolicyForNavigationAction(_In_opt_ IWebView* webView, _In_opt_ IPropertyBag* actionInformation, |
| _In_opt_ IWebURLRequest* request, _In_opt_ IWebFrame* /*frame*/, _In_opt_ IWebPolicyDecisionListener* listener) |
| { |
| int navType = 0; |
| _variant_t var; |
| if (SUCCEEDED(actionInformation->Read(WebActionNavigationTypeKey, &var.GetVARIANT(), nullptr))) { |
| var.ChangeType(VT_I4, nullptr); |
| navType = V_I4(&var); |
| } |
| COMPtr<IWebViewPrivate2> wvPrivate(Query, webView); |
| if (wvPrivate) { |
| BOOL canHandleRequest = FALSE; |
| if (SUCCEEDED(wvPrivate->canHandleRequest(request, &canHandleRequest)) && canHandleRequest) |
| listener->use(); |
| else if (navType == WebNavigationTypePlugInRequest) |
| listener->use(); |
| else { |
| BString url; |
| // A file URL shouldn't fall through to here, but if it did, |
| // it would be a security risk to open it. |
| if (SUCCEEDED(request->URL(&url)) && !String(url, SysStringLen(url)).startsWith("file:")) { |
| // FIXME: Open the URL not by means of a webframe, but by handing it over to the system and letting it determine how to open that particular URL scheme. See documentation for [NSWorkspace openURL] |
| ; |
| } |
| listener->ignore(); |
| } |
| } |
| return S_OK; |
| } |
| |
| HRESULT DefaultPolicyDelegate::decidePolicyForNewWindowAction(_In_opt_ IWebView* /*webView*/, _In_opt_ IPropertyBag* /*actionInformation*/, |
| _In_opt_ IWebURLRequest* /*request*/, _In_ BSTR /*frameName*/, _In_opt_ IWebPolicyDecisionListener* listener) |
| { |
| if (!listener) |
| return E_POINTER; |
| |
| listener->use(); |
| return S_OK; |
| } |
| |
| HRESULT DefaultPolicyDelegate::decidePolicyForMIMEType(_In_opt_ IWebView* webView, _In_ BSTR type, _In_opt_ IWebURLRequest* request, |
| _In_opt_ IWebFrame* /*frame*/, _In_opt_ IWebPolicyDecisionListener* listener) |
| { |
| BOOL canShowMIMEType; |
| if (FAILED(webView->canShowMIMEType(type, &canShowMIMEType))) |
| canShowMIMEType = FALSE; |
| |
| BString url; |
| request->URL(&url); |
| |
| if (String(url, SysStringLen(url)).startsWith("file:")) { |
| BOOL isDirectory = FALSE; |
| WIN32_FILE_ATTRIBUTE_DATA attrs; |
| if (GetFileAttributesEx(url, GetFileExInfoStandard, &attrs)) |
| isDirectory = !!(attrs.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); |
| |
| if (isDirectory) |
| listener->ignore(); |
| else if(canShowMIMEType) |
| listener->use(); |
| else |
| listener->ignore(); |
| } else if (canShowMIMEType) |
| listener->use(); |
| else |
| listener->ignore(); |
| return S_OK; |
| } |
| |
| HRESULT DefaultPolicyDelegate::unableToImplementPolicyWithError(_In_opt_ IWebView* /*webView*/, _In_opt_ IWebError* error, _In_opt_ IWebFrame* frame) |
| { |
| if (!error || !frame) |
| return E_POINTER; |
| |
| BString errorStr; |
| error->localizedDescription(&errorStr); |
| |
| BString frameName; |
| frame->name(&frameName); |
| |
| LOG_ERROR("called unableToImplementPolicyWithError:%S inFrame:%S", errorStr ? errorStr : TEXT(""), frameName ? frameName : TEXT("")); |
| |
| return S_OK; |
| } |