| LEFT | RIGHT |
| 1 #include "PluginStdAfx.h" | 1 #include "PluginStdAfx.h" |
| 2 | 2 |
| 3 #include "PluginWbPassThrough.h" | 3 #include "PluginWbPassThrough.h" |
| 4 #include "PluginClient.h" | 4 #include "PluginClient.h" |
| 5 #include "PluginClientFactory.h" | 5 #include "PluginClientFactory.h" |
| 6 #include "PluginFilter.h" | 6 #include "PluginFilter.h" |
| 7 #include "PluginSettings.h" | 7 #include "PluginSettings.h" |
| 8 #include "PluginClass.h" | 8 #include "PluginClass.h" |
| 9 #include "PluginSystem.h" | 9 #include "PluginSystem.h" |
| 10 | 10 #include <WinInet.h> |
| 11 #include "wtypes.h" | 11 #include "wtypes.h" |
| 12 | 12 #include "../shared/Utils.h" |
| 13 EXTERN_C IMAGE_DOS_HEADER __ImageBase; | 13 |
| 14 | 14 namespace |
| 15 | 15 { |
| 16 | 16 const std::string g_blockedByABPPage = "<!DOCTYPE html>" |
| 17 int WBPassthruSink::GetContentTypeFromMimeType(CString mimeType) | 17 "<html>" |
| 18 "<body>" |
| 19 "<!-- blocked by AdblockPlus -->" |
| 20 "</body>" |
| 21 "</html>"; |
| 22 |
| 23 template <class T> |
| 24 T ExtractHttpHeader(const T& allHeaders, const T& targetHeaderNameWithColon, c
onst T& delimiter) |
| 25 { |
| 26 auto targetHeaderBeginsAt = allHeaders.find(targetHeaderNameWithColon); |
| 27 if (targetHeaderBeginsAt == T::npos) |
| 28 { |
| 29 return T(); |
| 30 } |
| 31 targetHeaderBeginsAt += targetHeaderNameWithColon.length(); |
| 32 auto targetHeaderEndsAt = allHeaders.find(delimiter, targetHeaderBeginsAt); |
| 33 if (targetHeaderEndsAt == T::npos) |
| 34 { |
| 35 return T(); |
| 36 } |
| 37 return allHeaders.substr(targetHeaderBeginsAt, targetHeaderEndsAt - targetHe
aderBeginsAt); |
| 38 } |
| 39 |
| 40 std::string ExtractHttpAcceptHeader(IInternetProtocol* internetProtocol) |
| 41 { |
| 42 // Despite there being HTTP_QUERY_ACCEPT and other query info flags, they do
n't work here, |
| 43 // only HTTP_QUERY_RAW_HEADERS_CRLF | HTTP_QUERY_FLAG_REQUEST_HEADERS does w
ork. |
| 44 ATL::CComPtr<IWinInetHttpInfo> winInetHttpInfo; |
| 45 HRESULT hr = internetProtocol->QueryInterface(&winInetHttpInfo); |
| 46 if (FAILED(hr) || !winInetHttpInfo) |
| 47 { |
| 48 return ""; |
| 49 } |
| 50 DWORD size = 0; |
| 51 DWORD flags = 0; |
| 52 DWORD queryOption = HTTP_QUERY_RAW_HEADERS_CRLF | HTTP_QUERY_FLAG_REQUEST_HE
ADERS; |
| 53 hr = winInetHttpInfo->QueryInfo(queryOption, /*buffer*/ nullptr, /*get size*
/ &size, &flags, /*reserved*/ 0); |
| 54 if (FAILED(hr)) |
| 55 { |
| 56 return ""; |
| 57 } |
| 58 std::string buf(size, '\0'); |
| 59 hr = winInetHttpInfo->QueryInfo(queryOption, &buf[0], &size, &flags, 0); |
| 60 if (FAILED(hr)) |
| 61 { |
| 62 return ""; |
| 63 } |
| 64 return ExtractHttpHeader<std::string>(buf, "Accept:", "\r\n"); |
| 65 } |
| 66 |
| 67 bool IsXmlHttpRequest(const std::wstring& additionalHeaders) |
| 68 { |
| 69 auto requestedWithHeader = ExtractHttpHeader<std::wstring>(additionalHeaders
, L"X-Requested-With:", L"\n"); |
| 70 return TrimString(requestedWithHeader) == L"XMLHttpRequest"; |
| 71 } |
| 72 } |
| 73 |
| 74 WBPassthruSink::WBPassthruSink() |
| 75 : m_currentPositionOfSentPage(0) |
| 76 , m_contentType(CFilter::EContentType::contentTypeAny) |
| 77 , m_isCustomResponse(false) |
| 78 { |
| 79 } |
| 80 |
| 81 int WBPassthruSink::GetContentTypeFromMimeType(const CString& mimeType) |
| 18 { | 82 { |
| 19 if (mimeType.Find(L"image/") >= 0) | 83 if (mimeType.Find(L"image/") >= 0) |
| 20 { | 84 { |
| 21 return CFilter::contentTypeImage; | 85 return CFilter::contentTypeImage; |
| 22 } | 86 } |
| 23 if (mimeType.Find(L"text/css") >= 0) | 87 if (mimeType.Find(L"text/css") >= 0) |
| 24 { | 88 { |
| 25 return CFilter::contentTypeStyleSheet; | 89 return CFilter::contentTypeStyleSheet; |
| 26 } | 90 } |
| 27 if ((mimeType.Find(L"application/javascript") >= 0) || (mimeType.Find(L"applic
ation/json") >= 0)) | 91 if ((mimeType.Find(L"application/javascript") >= 0) || (mimeType.Find(L"applic
ation/json") >= 0)) |
| (...skipping 10 matching lines...) Expand all Loading... |
| 38 } | 102 } |
| 39 // It is important to have this check last, since it is rather generic, and mi
ght overlay text/html, for example | 103 // It is important to have this check last, since it is rather generic, and mi
ght overlay text/html, for example |
| 40 if (mimeType.Find(L"xml") >= 0) | 104 if (mimeType.Find(L"xml") >= 0) |
| 41 { | 105 { |
| 42 return CFilter::contentTypeXmlHttpRequest; | 106 return CFilter::contentTypeXmlHttpRequest; |
| 43 } | 107 } |
| 44 | 108 |
| 45 return CFilter::contentTypeAny; | 109 return CFilter::contentTypeAny; |
| 46 } | 110 } |
| 47 | 111 |
| 48 int WBPassthruSink::GetContentTypeFromURL(std::wstring& src) | 112 int WBPassthruSink::GetContentTypeFromURL(const std::wstring& src) |
| 49 { | 113 { |
| 50 CString srcLegacy = ToCString(src); | 114 CString srcLegacy = ToCString(src); |
| 51 CString srcExt = srcLegacy; | 115 CString srcExt = srcLegacy; |
| 52 | 116 |
| 53 int pos = 0; | 117 int pos = 0; |
| 54 if ((pos = srcLegacy.Find('?')) > 0) | 118 if ((pos = srcLegacy.Find('?')) > 0) |
| 55 { | 119 { |
| 56 srcExt = srcLegacy.Left(pos); | 120 srcExt = srcLegacy.Left(pos); |
| 57 } | 121 } |
| 58 | 122 |
| (...skipping 18 matching lines...) Expand all Loading... |
| 77 return CFilter::contentTypeXmlHttpRequest; | 141 return CFilter::contentTypeXmlHttpRequest; |
| 78 } | 142 } |
| 79 else if (ext == L".swf") | 143 else if (ext == L".swf") |
| 80 { | 144 { |
| 81 return CFilter::contentTypeObject; | 145 return CFilter::contentTypeObject; |
| 82 } | 146 } |
| 83 else if (ext == L".jsp" || ext == L".php" || ext == L".html") | 147 else if (ext == L".jsp" || ext == L".php" || ext == L".html") |
| 84 { | 148 { |
| 85 return CFilter::contentTypeSubdocument; | 149 return CFilter::contentTypeSubdocument; |
| 86 } | 150 } |
| 87 else | 151 return CFilter::contentTypeAny; |
| 88 { | 152 } |
| 89 return CFilter::contentTypeAny & ~CFilter::contentTypeSubdocument; | 153 |
| 90 } | 154 int WBPassthruSink::GetContentType(const CString& mimeType, const std::wstring&
domain, const std::wstring& src) |
| 91 | |
| 92 } | |
| 93 | |
| 94 int WBPassthruSink::GetContentType(CString mimeType, std::wstring& domain, std::
wstring& src) | |
| 95 { | 155 { |
| 96 // No referer or mime type | 156 // No referer or mime type |
| 97 // BINDSTRING_XDR_ORIGIN works only for IE v8+ | 157 // BINDSTRING_XDR_ORIGIN works only for IE v8+ |
| 98 if (mimeType.IsEmpty() && domain.empty() && CPluginClient::GetInstance()->GetI
EVersion() >= 8) | 158 if (mimeType.IsEmpty() && domain.empty() && CPluginClient::GetInstance()->GetI
EVersion() >= 8) |
| 99 { | 159 { |
| 100 return CFilter::contentTypeXmlHttpRequest; | 160 return CFilter::contentTypeXmlHttpRequest; |
| 101 } | 161 } |
| 102 int contentType = GetContentTypeFromMimeType(mimeType); | 162 int contentType = GetContentTypeFromMimeType(mimeType); |
| 103 if (contentType == CFilter::contentTypeAny) | 163 if (contentType == CFilter::contentTypeAny) |
| 104 { | 164 { |
| 105 contentType = GetContentTypeFromURL(src); | 165 contentType = GetContentTypeFromURL(src); |
| 106 } | 166 } |
| 107 return contentType; | 167 return contentType; |
| 108 } | 168 } |
| 109 | 169 |
| 110 ////////////////////////////////////////////////////////////////////////////////
//////// | 170 ////////////////////////////////////////////////////////////////////////////////
//////// |
| 111 //WBPassthruSink | 171 //WBPassthruSink |
| 112 //Monitor and/or cancel every request and responde | 172 //Monitor and/or cancel every request and responde |
| 113 //WB makes, including images, sounds, scripts, etc | 173 //WB makes, including images, sounds, scripts, etc |
| 114 ////////////////////////////////////////////////////////////////////////////////
//////// | 174 ////////////////////////////////////////////////////////////////////////////////
//////// |
| 115 HRESULT WBPassthruSink::OnStart(LPCWSTR szUrl, IInternetProtocolSink *pOIProtSin
k, | 175 HRESULT WBPassthruSink::OnStart(LPCWSTR szUrl, IInternetProtocolSink *pOIProtSin
k, |
| 116 IInternetBindInfo *pOIBindInfo, DWORD grfPI, HAN
DLE_PTR dwReserved, | 176 IInternetBindInfo *pOIBindInfo, DWORD grfPI, HAN
DLE_PTR dwReserved, |
| 117 IInternetProtocol* pTargetProtocol) | 177 IInternetProtocol* pTargetProtocol, bool& handle
d) |
| 118 { | 178 { |
| 119 | |
| 120 m_pTargetProtocol = pTargetProtocol; | 179 m_pTargetProtocol = pTargetProtocol; |
| 121 bool isBlocked = false; | 180 return BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved,
pTargetProtocol); |
| 122 m_shouldBlock = false; | 181 } |
| 123 m_lastDataReported = false; | 182 |
| 124 std::wstring src(szUrl); | 183 HRESULT WBPassthruSink::OnRead(void* pv, ULONG cb, ULONG* pcbRead) |
| 125 DEBUG_GENERAL(ToCString(src)); | 184 { |
| 126 UnescapeUrl(src); | 185 if (!pv || !pcbRead) |
| 127 | 186 { |
| 128 std::wstring boundDomain; | 187 return E_POINTER; |
| 129 CString mimeType; | 188 } |
| 130 LPOLESTR mime[10]; | 189 *pcbRead = 0; |
| 131 if (pOIBindInfo) | 190 |
| 132 { | 191 if (PassthroughAPP::CustomSinkStartPolicy<WBPassthru, WBPassthruSink>::GetProt
ocol(this)->m_shouldSupplyCustomContent) |
| 133 ULONG resLen = 0; | 192 { |
| 134 | 193 ULONG blockedByABPPageSize = static_cast<ULONG>(g_blockedByABPPage.size()); |
| 135 // Apparently IE will report random mime type if there's more then 1 in the
list. | 194 auto positionGrow = std::min<ULONG>(cb, static_cast<ULONG>(blockedByABPPageS
ize - m_currentPositionOfSentPage)); |
| 136 // So we get the whole list and just use the first one (top priority one) | 195 if (positionGrow == 0) { |
| 137 pOIBindInfo->GetBindString(BINDSTRING_ACCEPT_MIMES, mime, 10, &resLen); | 196 return S_FALSE; |
| 138 if (mime && resLen > 0) | 197 } |
| 139 { | 198 std::copy(g_blockedByABPPage.begin(), g_blockedByABPPage.begin() + positionG
row, |
| 140 mimeType.SetString(mime[0]); | 199 stdext::make_checked_array_iterator(static_cast<char*>(pv), cb)); |
| 141 } | 200 *pcbRead = positionGrow; |
| 142 LPOLESTR bindToObject = 0; | 201 m_currentPositionOfSentPage += positionGrow; |
| 143 pOIBindInfo->GetBindString(BINDSTRING_FLAG_BIND_TO_OBJECT, &bindToObject, 1,
&resLen); | 202 |
| 144 wchar_t* domainRetrieved = 0; | 203 if (m_spInternetProtocolSink) |
| 145 if (resLen == 0 || wcscmp(bindToObject, L"FALSE") == 0) | 204 { |
| 146 { | 205 m_spInternetProtocolSink->ReportData(BSCF_INTERMEDIATEDATANOTIFICATION, |
| 147 HRESULT hr = pOIBindInfo->GetBindString(BINDSTRING_XDR_ORIGIN, &domainRetr
ieved, 1, &resLen); | 206 static_cast<ULONG>(m_currentPositionOfSentPage), blockedByABPPageSize); |
| 148 | 207 } |
| 149 if ((hr == S_OK) && domainRetrieved && (resLen > 0)) | 208 if (blockedByABPPageSize == m_currentPositionOfSentPage && m_spInternetProto
colSink) |
| 150 { | 209 { |
| 151 boundDomain = std::wstring(domainRetrieved); | 210 m_spInternetProtocolSink->ReportData(BSCF_DATAFULLYAVAILABLE, blockedByABP
PageSize, blockedByABPPageSize); |
| 152 } | 211 m_spInternetProtocolSink->ReportResult(S_OK, 0, nullptr); |
| 153 } | |
| 154 } | |
| 155 | |
| 156 CString cookie; | |
| 157 ULONG len1 = 2048; | |
| 158 ULONG len2 = 2048; | |
| 159 | |
| 160 int contentType = CFilter::contentTypeAny; | |
| 161 | |
| 162 CPluginTab* tab = CPluginClass::GetTab(::GetCurrentThreadId()); | |
| 163 CPluginClient* client = CPluginClient::GetInstance(); | |
| 164 | |
| 165 | |
| 166 if (tab && client) | |
| 167 { | |
| 168 std::wstring documentUrl = tab->GetDocumentUrl(); | |
| 169 // Page is identical to document => don't block | |
| 170 if (documentUrl == src) | |
| 171 { | |
| 172 // fall through | |
| 173 } | |
| 174 else if (CPluginSettings::GetInstance()->IsPluginEnabled() && !client->IsWhi
telistedUrl(documentUrl)) | |
| 175 { | |
| 176 boundDomain = tab->GetDocumentUrl(); | |
| 177 contentType = CFilter::contentTypeAny; | |
| 178 if ((tab != 0) && (tab->IsFrameCached(src))) | |
| 179 { | |
| 180 contentType = CFilter::contentTypeSubdocument; | |
| 181 } | |
| 182 else | |
| 183 { | |
| 184 contentType = GetContentType(mimeType, boundDomain, src); | |
| 185 } | |
| 186 if (client->ShouldBlock(src, contentType, boundDomain, true)) | |
| 187 { | |
| 188 isBlocked = true; | |
| 189 DEBUG_BLOCKER("Blocker::Blocking Http-request:" + ToCString(src)); | |
| 190 } | |
| 191 } | |
| 192 if (!isBlocked) | |
| 193 { | |
| 194 DEBUG_BLOCKER("Blocker::Ignoring Http-request:" + ToCString(src)) | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 | |
| 199 if (tab == NULL) | |
| 200 { | |
| 201 contentType = GetContentType(mimeType, boundDomain, src); | |
| 202 if (client->ShouldBlock(src, contentType, boundDomain, true)) | |
| 203 { | |
| 204 isBlocked = true; | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 #ifdef _DEBUG | |
| 209 CString type; | |
| 210 | |
| 211 if (contentType == CFilter::contentTypeDocument) type = "DOCUMENT"; | |
| 212 else if (contentType == CFilter::contentTypeObject) type = "OBJECT"; | |
| 213 else if (contentType == CFilter::contentTypeImage) type = "IMAGE"; | |
| 214 else if (contentType == CFilter::contentTypeScript) type = "SCRIPT"; | |
| 215 else if (contentType == CFilter::contentTypeOther) type = "OTHER"; | |
| 216 else if (contentType == CFilter::contentTypeUnknown) type = "OTHER"; | |
| 217 else if (contentType == CFilter::contentTypeSubdocument) type = "SUBDOCUMENT"; | |
| 218 else if (contentType == CFilter::contentTypeStyleSheet) type = "STYLESHEET"; | |
| 219 else type = "OTHER"; | |
| 220 | |
| 221 if (isBlocked) | |
| 222 { | |
| 223 CPluginDebug::DebugResultBlocking(type, src, boundDomain); | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 CPluginDebug::DebugResultIgnoring(type, src, boundDomain); | |
| 228 } | |
| 229 #endif | |
| 230 | |
| 231 //Fixes the iframe back button issue | |
| 232 if (client->GetIEVersion() > 6) | |
| 233 { | |
| 234 if ((contentType == CFilter::contentTypeImage) && (isBlocked)) | |
| 235 { | |
| 236 m_shouldBlock = true; | |
| 237 BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, pTa
rgetProtocol); | |
| 238 | |
| 239 return INET_E_REDIRECT_FAILED; | |
| 240 | |
| 241 } | |
| 242 if (((contentType == CFilter::contentTypeSubdocument))&& (isBlocked)) | |
| 243 { | |
| 244 m_shouldBlock = true; | |
| 245 BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, pTa
rgetProtocol); | |
| 246 | |
| 247 m_spInternetProtocolSink->ReportProgress(BINDSTATUS_MIMETYPEAVAILABLE, L"t
ext/html"); | |
| 248 | |
| 249 //Here we check if we are running on Windows 8 Consumer Preview. | |
| 250 //For some reason on that environment the next line causes IE to crash | |
| 251 if (CPluginSettings::GetInstance()->GetWindowsBuildNumber() != 8250) | |
| 252 { | |
| 253 m_spInternetProtocolSink->ReportResult(INET_E_REDIRECT_FAILED, 0, szUrl)
; | |
| 254 } | |
| 255 | |
| 256 return INET_E_REDIRECT_FAILED; | |
| 257 } | |
| 258 if (((contentType == CFilter::contentTypeScript)) && (isBlocked)) | |
| 259 { | |
| 260 m_shouldBlock = true; | |
| 261 BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, pTa
rgetProtocol); | |
| 262 m_spInternetProtocolSink->ReportProgress(BINDSTATUS_MIMETYPEAVAILABLE, L"t
ext/javascript"); | |
| 263 m_spInternetProtocolSink->ReportResult(INET_E_REDIRECTING, 301, L"data:"); | |
| 264 return INET_E_REDIRECT_FAILED; | |
| 265 } | |
| 266 if ((contentType == CFilter::contentTypeXmlHttpRequest) && (isBlocked)) | |
| 267 { | |
| 268 m_shouldBlock = true; | |
| 269 BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, pTa
rgetProtocol); | |
| 270 m_spInternetProtocolSink->ReportResult(INET_E_REDIRECTING, 301, L"data:"); | |
| 271 return INET_E_REDIRECT_FAILED; | |
| 272 } | |
| 273 if ((isBlocked)) | |
| 274 { | |
| 275 m_shouldBlock = true; | |
| 276 BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, pTa
rgetProtocol); | |
| 277 m_spInternetProtocolSink->ReportResult(S_FALSE, 0, L""); | |
| 278 | |
| 279 return INET_E_REDIRECT_FAILED; | |
| 280 } | |
| 281 } | |
| 282 return isBlocked ? S_FALSE : BaseClass::OnStart(szUrl, pOIProtSink, pOIBindInf
o, grfPI, dwReserved, pTargetProtocol); | |
| 283 } | |
| 284 | |
| 285 | |
| 286 HRESULT WBPassthruSink::Read(void *pv, ULONG cb, ULONG* pcbRead) | |
| 287 { | |
| 288 if (m_shouldBlock) | |
| 289 { | |
| 290 *pcbRead = 0; | |
| 291 if (!m_lastDataReported) | |
| 292 { | |
| 293 if (cb <= 1) | |
| 294 { | |
| 295 //IE must've gone nuts if this happened, but let's be cool about it and
report we have no more data | |
| 296 m_spInternetProtocolSink->ReportResult(S_FALSE, 0, NULL); | |
| 297 return S_FALSE; | |
| 298 } | |
| 299 *pcbRead = 1; | |
| 300 memcpy(pv, " ", 1); | |
| 301 | |
| 302 if (m_spInternetProtocolSink != NULL) | |
| 303 { | |
| 304 m_spInternetProtocolSink->ReportResult(S_OK, 0, NULL); | |
| 305 } | |
| 306 m_lastDataReported = true; | |
| 307 m_shouldBlock = false; | |
| 308 return S_OK; | |
| 309 } | 212 } |
| 310 return S_OK; | 213 return S_OK; |
| 311 } | 214 } |
| 312 else | 215 return m_pTargetProtocol->Read(pv, cb, pcbRead); |
| 313 { | |
| 314 | |
| 315 return m_pTargetProtocol->Read(pv, cb, pcbRead); | |
| 316 } | |
| 317 return S_OK; | |
| 318 } | 216 } |
| 319 STDMETHODIMP WBPassthruSink::Switch( | 217 STDMETHODIMP WBPassthruSink::Switch( |
| 320 /* [in] */ PROTOCOLDATA *pProtocolData) | 218 /* [in] */ PROTOCOLDATA *pProtocolData) |
| 321 { | 219 { |
| 322 ATLASSERT(m_spInternetProtocolSink != 0); | 220 ATLASSERT(m_spInternetProtocolSink != 0); |
| 323 | 221 |
| 324 /* | 222 /* |
| 325 From Igor Tandetnik "itandetnik@mvps.org" | 223 From Igor Tandetnik "itandetnik@mvps.org" |
| 326 " | 224 " |
| 327 Beware multithreading. URLMon has this nasty habit of spinning worker | 225 Beware multithreading. URLMon has this nasty habit of spinning worker |
| 328 threads, not even bothering to initialize COM on them, and calling APP | 226 threads, not even bothering to initialize COM on them, and calling APP |
| 329 methods on those threads. If you try to raise COM events directly from | 227 methods on those threads. If you try to raise COM events directly from |
| 330 such a thread, bad things happen (random crashes, events being lost). | 228 such a thread, bad things happen (random crashes, events being lost). |
| 331 You are only guaranteed to be on the main STA thread in two cases. | 229 You are only guaranteed to be on the main STA thread in two cases. |
| 332 First, in methods of interfaces that were obtained with | 230 First, in methods of interfaces that were obtained with |
| 333 IServiceProvider, such as IHttpNegotiage::BeginningTransaction or | 231 IServiceProvider, such as IHttpNegotiage::BeginningTransaction or |
| 334 IAuthenticate::Authenticate. Second, you can call | 232 IAuthenticate::Authenticate. Second, you can call |
| 335 IInternetProtocolSink::Switch with PD_FORCE_SWITCH flag in | 233 IInternetProtocolSink::Switch with PD_FORCE_SWITCH flag in |
| 336 PROTOCOLDATA::grfFlags, eventually URLMon will turn around and call | 234 PROTOCOLDATA::grfFlags, eventually URLMon will turn around and call |
| 337 IInternetProtocol::Continue on the main thread. | 235 IInternetProtocol::Continue on the main thread. |
| 338 | 236 |
| 339 Or, if you happen to have a window handy that was created on the main | 237 Or, if you happen to have a window handy that was created on the main |
| 340 thread, you can post yourself a message. | 238 thread, you can post yourself a message. |
| 341 " | 239 " |
| 342 */ | 240 */ |
| 343 return m_spInternetProtocolSink ? m_spInternetProtocolSink->Switch(pProtocolDa
ta) : E_UNEXPECTED; | 241 return m_spInternetProtocolSink ? m_spInternetProtocolSink->Switch(pProtocolDa
ta) : E_UNEXPECTED; |
| 344 } | 242 } |
| 345 | 243 |
| 346 | 244 // This is the heuristic which detects the requests issued by Flash.ocx. |
| 347 STDMETHODIMP WBPassthruSink::BeginningTransaction(LPCWSTR szURL, LPCWSTR szHeade
rs, DWORD dwReserved, LPWSTR *pszAdditionalHeaders) | 245 // It turned out that the implementation from ''Flash.ocx'' (tested version is 1
5.0.0.152) |
| 348 { | 246 // returns quite minimal configuration in comparison with the implementation fro
m Microsofts' |
| 247 // libraries (see grfBINDF and bindInfo.dwOptions). The impl from MS often inclu
des something |
| 248 // else. |
| 249 bool WBPassthruSink::IsFlashRequest(const wchar_t* const* additionalHeaders) |
| 250 { |
| 251 if (additionalHeaders && *additionalHeaders) |
| 252 { |
| 253 auto flashVersionHeader = ExtractHttpHeader<std::wstring>(*additionalHeaders
, L"x-flash-version:", L"\n"); |
| 254 if (!TrimString(flashVersionHeader).empty()) |
| 255 { |
| 256 return true; |
| 257 } |
| 258 } |
| 259 ATL::CComPtr<IBindStatusCallback> bscb; |
| 260 if (SUCCEEDED(QueryServiceFromClient(&bscb)) && !!bscb) |
| 261 { |
| 262 DWORD grfBINDF = 0; |
| 263 BINDINFO bindInfo = {}; |
| 264 bindInfo.cbSize = sizeof(bindInfo); |
| 265 if (SUCCEEDED(bscb->GetBindInfo(&grfBINDF, &bindInfo)) && |
| 266 (BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE| BINDF_PULLDATA) == grfBINDF && |
| 267 (BINDINFO_OPTIONS_ENABLE_UTF8 | BINDINFO_OPTIONS_USE_IE_ENCODING) == bindI
nfo.dwOptions |
| 268 ) |
| 269 { |
| 270 return true; |
| 271 } |
| 272 } |
| 273 return false; |
| 274 } |
| 275 |
| 276 STDMETHODIMP WBPassthruSink::BeginningTransaction(LPCWSTR szURL, LPCWSTR szHeade
rs, DWORD dwReserved, LPWSTR* pszAdditionalHeaders) |
| 277 { |
| 278 if (!szURL) |
| 279 { |
| 280 return E_POINTER; |
| 281 } |
| 282 std::wstring src = szURL; |
| 283 DEBUG_GENERAL(ToCString(src)); |
| 284 |
| 285 std::string acceptHeader = ExtractHttpAcceptHeader(m_spTargetProtocol); |
| 286 m_contentType = GetContentTypeFromMimeType(ATL::CString(acceptHeader.c_str()))
; |
| 287 |
| 349 if (pszAdditionalHeaders) | 288 if (pszAdditionalHeaders) |
| 350 { | 289 { |
| 351 *pszAdditionalHeaders = 0; | 290 *pszAdditionalHeaders = nullptr; |
| 291 } |
| 292 |
| 293 CComPtr<IHttpNegotiate> httpNegotiate; |
| 294 QueryServiceFromClient(&httpNegotiate); |
| 295 // This fills the pszAdditionalHeaders with more headers. One of which is the
Referer header, which we need. |
| 296 // There doesn't seem to be any other way to get this header before the reques
t has been made. |
| 297 HRESULT nativeHr = httpNegotiate ? httpNegotiate->BeginningTransaction(szURL,
szHeaders, dwReserved, pszAdditionalHeaders) : S_OK; |
| 298 |
| 299 if (pszAdditionalHeaders && *pszAdditionalHeaders) |
| 300 { |
| 301 m_boundDomain = ExtractHttpHeader<std::wstring>(*pszAdditionalHeaders, L"Ref
erer:", L"\n"); |
| 302 } |
| 303 m_boundDomain = TrimString(m_boundDomain); |
| 304 CPluginTab* tab = CPluginClass::GetTab(::GetCurrentThreadId()); |
| 305 CPluginClient* client = CPluginClient::GetInstance(); |
| 306 |
| 307 if (tab && client) |
| 308 { |
| 309 std::wstring documentUrl = tab->GetDocumentUrl(); |
| 310 // Page is identical to document => don't block |
| 311 if (documentUrl == src) |
| 312 { |
| 313 return nativeHr; |
| 314 } |
| 315 else if (CPluginSettings::GetInstance()->IsPluginEnabled() && !client->IsWhi
telistedUrl(documentUrl)) |
| 316 { |
| 317 if (tab->IsFrameCached(src)) |
| 318 { |
| 319 m_contentType = CFilter::contentTypeSubdocument; |
| 320 } |
| 321 } |
| 322 } |
| 323 |
| 324 if (IsFlashRequest(pszAdditionalHeaders)) |
| 325 { |
| 326 m_contentType = CFilter::EContentType::contentTypeObjectSubrequest; |
| 327 } |
| 328 |
| 329 if (pszAdditionalHeaders && *pszAdditionalHeaders && IsXmlHttpRequest(*pszAddi
tionalHeaders)) |
| 330 { |
| 331 m_contentType = CFilter::EContentType::contentTypeXmlHttpRequest; |
| 332 } |
| 333 |
| 334 if (client->ShouldBlock(szURL, m_contentType, m_boundDomain, /*debug flag but
must be set*/true)) |
| 335 { |
| 336 // NOTE: Feeding custom HTML to Flash, instead of original object subrequest |
| 337 // doesn't have much sense. It also can manifest in unwanted result» |
| 338 // like video being blocked (See https://issues.adblockplus.org/ticket/1669)
» |
| 339 // So we report blocked object subrequests as failed, not just empty HTML. |
| 340 m_isCustomResponse = m_contentType != CFilter::contentTypeObjectSubrequest; |
| 341 return E_ABORT; |
| 342 } |
| 343 return nativeHr; |
| 344 } |
| 345 |
| 346 STDMETHODIMP WBPassthruSink::OnResponse(DWORD dwResponseCode, LPCWSTR szResponse
Headers, LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders) |
| 347 { |
| 348 if (pszAdditionalRequestHeaders) |
| 349 { |
| 350 *pszAdditionalRequestHeaders = 0; |
| 352 } | 351 } |
| 353 | 352 |
| 354 CComPtr<IHttpNegotiate> spHttpNegotiate; | 353 CComPtr<IHttpNegotiate> spHttpNegotiate; |
| 355 QueryServiceFromClient(&spHttpNegotiate); | 354 QueryServiceFromClient(&spHttpNegotiate); |
| 356 return spHttpNegotiate ? spHttpNegotiate->BeginningTransaction(szURL, szHeader
s,dwReserved, pszAdditionalHeaders) : S_OK; | |
| 357 } | |
| 358 | |
| 359 STDMETHODIMP WBPassthruSink::OnResponse(DWORD dwResponseCode, LPCWSTR szResponse
Headers, LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders) | |
| 360 { | |
| 361 if (pszAdditionalRequestHeaders) | |
| 362 { | |
| 363 *pszAdditionalRequestHeaders = 0; | |
| 364 } | |
| 365 | |
| 366 CComPtr<IHttpNegotiate> spHttpNegotiate; | |
| 367 QueryServiceFromClient(&spHttpNegotiate); | |
| 368 | 355 |
| 369 return spHttpNegotiate ? spHttpNegotiate->OnResponse(dwResponseCode, szRespons
eHeaders, szRequestHeaders, pszAdditionalRequestHeaders) : S_OK; | 356 return spHttpNegotiate ? spHttpNegotiate->OnResponse(dwResponseCode, szRespons
eHeaders, szRequestHeaders, pszAdditionalRequestHeaders) : S_OK; |
| 370 } | 357 } |
| 371 | 358 |
| 372 STDMETHODIMP WBPassthruSink::ReportProgress(ULONG ulStatusCode, LPCWSTR szStatus
Text) | 359 STDMETHODIMP WBPassthruSink::ReportProgress(ULONG ulStatusCode, LPCWSTR szStatus
Text) |
| 373 { | 360 { |
| 374 return m_spInternetProtocolSink ? m_spInternetProtocolSink->ReportProgress(ulS
tatusCode, szStatusText) : S_OK; | 361 return m_spInternetProtocolSink ? m_spInternetProtocolSink->ReportProgress(ulS
tatusCode, szStatusText) : S_OK; |
| 375 } | 362 } |
| 376 | 363 |
| 364 STDMETHODIMP WBPassthruSink::ReportResult(/* [in] */ HRESULT hrResult, /* [in] *
/ DWORD dwError, /* [in] */ LPCWSTR szResult) |
| 365 { |
| 366 if (m_isCustomResponse) |
| 367 { |
| 368 // Don't notify the client about aborting of the operation, thus don't call
BaseClass::ReportResult. |
| 369 // Current method is called by the original protocol implementation and we a
re intercepting the |
| 370 // call here and eating it, we will call the proper ReportResult later by ou
rself. |
| 371 return S_OK; |
| 372 } |
| 373 return BaseClass::ReportResult(hrResult, dwError, szResult); |
| 374 } |
| 375 |
| 376 |
| 377 WBPassthru::WBPassthru() |
| 378 : m_shouldSupplyCustomContent(false) |
| 379 { |
| 380 } |
| 377 | 381 |
| 378 STDMETHODIMP WBPassthru::Start(LPCWSTR szUrl, IInternetProtocolSink *pOIProtSink
, | 382 STDMETHODIMP WBPassthru::Start(LPCWSTR szUrl, IInternetProtocolSink *pOIProtSink
, |
| 379 IInternetBindInfo *pOIBindInfo, DWORD grfPI, HANDLE_PTR dwReserved) | 383 IInternetBindInfo *pOIBindInfo, DWORD grfPI, HANDLE_PTR dwReserved) |
| 380 { | 384 { |
| 381 ATLASSERT(m_spInternetProtocol != 0); | 385 ATLASSERT(m_spInternetProtocol != 0); |
| 382 if (!m_spInternetProtocol) | 386 if (!m_spInternetProtocol) |
| 383 { | 387 { |
| 384 return E_UNEXPECTED; | 388 return E_UNEXPECTED; |
| 385 } | 389 } |
| 386 | 390 |
| 387 return OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, | 391 return OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, m_spInterne
tProtocol); |
| 388 dwReserved, m_spInternetProtocol); | 392 } |
| 389 } | 393 |
| 390 | 394 STDMETHODIMP WBPassthru::Read(/* [in, out] */ void *pv,/* [in] */ ULONG cb,/* [o
ut] */ ULONG *pcbRead) |
| 391 STDMETHODIMP WBPassthru::Read(»/* [in, out] */ void *pv,/* [in] */ ULONG cb,/*
[out] */ ULONG *pcbRead) | 395 { |
| 392 { | 396 WBPassthruSink* pSink = GetSink(); |
| 393 | 397 return pSink->OnRead(pv, cb, pcbRead); |
| 394 WBPassthruSink* pSink = GetSink(); | 398 } |
| 395 return pSink->Read(pv, cb, pcbRead); | |
| 396 } | |
| LEFT | RIGHT |