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      1 /*
      2  * Copyright (C) 2007 Apple Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WebKitDLL.h"
     28 #include "WebError.h"
     29 #include "WebKit.h"
     30 
     31 #pragma warning(push, 0)
     32 #include <WebCore/BString.h>
     33 #pragma warning(pop)
     34 
     35 #if USE(CFNETWORK)
     36 #include <WebKitSystemInterface/WebKitSystemInterface.h>
     37 #endif
     38 
     39 using namespace WebCore;
     40 
     41 // WebError ---------------------------------------------------------------------
     42 
     43 WebError::WebError(const ResourceError& error, IPropertyBag* userInfo)
     44     : m_refCount(0)
     45     , m_error(error)
     46     , m_userInfo(userInfo)
     47 {
     48     gClassCount++;
     49     gClassNameCount.add("WebError");
     50 }
     51 
     52 WebError::~WebError()
     53 {
     54     gClassCount--;
     55     gClassNameCount.remove("WebError");
     56 }
     57 
     58 WebError* WebError::createInstance(const ResourceError& error, IPropertyBag* userInfo)
     59 {
     60     WebError* instance = new WebError(error, userInfo);
     61     instance->AddRef();
     62     return instance;
     63 }
     64 
     65 WebError* WebError::createInstance()
     66 {
     67     return createInstance(ResourceError());
     68 }
     69 
     70 // IUnknown -------------------------------------------------------------------
     71 
     72 HRESULT STDMETHODCALLTYPE WebError::QueryInterface(REFIID riid, void** ppvObject)
     73 {
     74     *ppvObject = 0;
     75     if (IsEqualGUID(riid, IID_IUnknown))
     76         *ppvObject = static_cast<IWebError*>(this);
     77     else if (IsEqualGUID(riid, CLSID_WebError))
     78         *ppvObject = static_cast<WebError*>(this);
     79     else if (IsEqualGUID(riid, IID_IWebError))
     80         *ppvObject = static_cast<IWebError*>(this);
     81     else if (IsEqualGUID(riid, IID_IWebErrorPrivate))
     82         *ppvObject = static_cast<IWebErrorPrivate*>(this);
     83     else
     84         return E_NOINTERFACE;
     85 
     86     AddRef();
     87     return S_OK;
     88 }
     89 
     90 ULONG STDMETHODCALLTYPE WebError::AddRef(void)
     91 {
     92     return ++m_refCount;
     93 }
     94 
     95 ULONG STDMETHODCALLTYPE WebError::Release(void)
     96 {
     97     ULONG newRef = --m_refCount;
     98     if (!newRef)
     99         delete(this);
    100 
    101     return newRef;
    102 }
    103 
    104 // IWebError ------------------------------------------------------------------
    105 
    106 HRESULT STDMETHODCALLTYPE WebError::init(
    107     /* [in] */ BSTR domain,
    108     /* [in] */ int code,
    109     /* [in] */ BSTR url)
    110 {
    111     m_error = ResourceError(String(domain, SysStringLen(domain)), code, String(url, SysStringLen(url)), String());
    112     return S_OK;
    113 }
    114 
    115 HRESULT STDMETHODCALLTYPE WebError::code(
    116     /* [retval][out] */ int* result)
    117 {
    118     *result = m_error.errorCode();
    119     return S_OK;
    120 }
    121 
    122 HRESULT STDMETHODCALLTYPE WebError::domain(
    123     /* [retval][out] */ BSTR* result)
    124 {
    125     if (!result)
    126         return E_POINTER;
    127 
    128     *result = BString(m_error.domain()).release();
    129     return S_OK;
    130 }
    131 
    132 HRESULT STDMETHODCALLTYPE WebError::localizedDescription(
    133     /* [retval][out] */ BSTR* result)
    134 {
    135     if (!result)
    136         return E_POINTER;
    137 
    138     *result = BString(m_error.localizedDescription()).release();
    139 
    140 #if USE(CFNETWORK)
    141     if (!*result) {
    142         if (int code = m_error.errorCode())
    143             *result = BString(wkCFNetworkErrorGetLocalizedDescription(code)).release();
    144     }
    145 #endif
    146 
    147     return S_OK;
    148 }
    149 
    150 
    151 HRESULT STDMETHODCALLTYPE WebError::localizedFailureReason(
    152     /* [retval][out] */ BSTR* /*result*/)
    153 {
    154     ASSERT_NOT_REACHED();
    155     return E_NOTIMPL;
    156 }
    157 
    158 HRESULT STDMETHODCALLTYPE WebError::localizedRecoveryOptions(
    159     /* [retval][out] */ IEnumVARIANT** /*result*/)
    160 {
    161     ASSERT_NOT_REACHED();
    162     return E_NOTIMPL;
    163 }
    164 
    165 HRESULT STDMETHODCALLTYPE WebError::localizedRecoverySuggestion(
    166     /* [retval][out] */ BSTR* /*result*/)
    167 {
    168     ASSERT_NOT_REACHED();
    169     return E_NOTIMPL;
    170 }
    171 
    172 HRESULT STDMETHODCALLTYPE WebError::recoverAttempter(
    173     /* [retval][out] */ IUnknown** /*result*/)
    174 {
    175     ASSERT_NOT_REACHED();
    176     return E_NOTIMPL;
    177 }
    178 
    179 HRESULT STDMETHODCALLTYPE WebError::userInfo(
    180     /* [retval][out] */ IPropertyBag** result)
    181 {
    182     if (!result)
    183         return E_POINTER;
    184     *result = 0;
    185 
    186     if (!m_userInfo)
    187         return E_FAIL;
    188 
    189     return m_userInfo.copyRefTo(result);
    190 }
    191 
    192 HRESULT STDMETHODCALLTYPE WebError::failingURL(
    193     /* [retval][out] */ BSTR* result)
    194 {
    195     if (!result)
    196         return E_POINTER;
    197 
    198     *result = BString(m_error.failingURL()).release();
    199     return S_OK;
    200 }
    201 
    202 HRESULT STDMETHODCALLTYPE WebError::isPolicyChangeError(
    203     /* [retval][out] */ BOOL *result)
    204 {
    205     if (!result)
    206         return E_POINTER;
    207 
    208     *result = m_error.domain() == String(WebKitErrorDomain)
    209         && m_error.errorCode() == WebKitErrorFrameLoadInterruptedByPolicyChange;
    210     return S_OK;
    211 }
    212 
    213 HRESULT STDMETHODCALLTYPE WebError::sslPeerCertificate(
    214     /* [retval][out] */ OLE_HANDLE* result)
    215 {
    216     if (!result)
    217         return E_POINTER;
    218     *result = 0;
    219 
    220 #if USE(CFNETWORK)
    221     if (!m_cfErrorUserInfoDict) {
    222         // copy userinfo from CFErrorRef
    223         CFErrorRef cfError = m_error;
    224         m_cfErrorUserInfoDict.adoptCF(CFErrorCopyUserInfo(cfError));
    225     }
    226 
    227     if (!m_cfErrorUserInfoDict)
    228         return E_FAIL;
    229 
    230     void* data = wkGetSSLPeerCertificateData(m_cfErrorUserInfoDict.get());
    231     if (!data)
    232         return E_FAIL;
    233     *result = (OLE_HANDLE)(ULONG64)data;
    234 #endif
    235     return *result ? S_OK : E_FAIL;
    236 }
    237 
    238 const ResourceError& WebError::resourceError() const
    239 {
    240     return m_error;
    241 }
    242