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-rw-r--r--core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp18
-rw-r--r--core/fpdfapi/fpdf_page/cpdf_image.cpp8
-rw-r--r--core/fpdfapi/fpdf_parser/cpdf_stream.cpp93
-rw-r--r--core/fpdfapi/fpdf_parser/include/cpdf_stream.h33
-rw-r--r--core/fpdfdoc/cpvt_generateap.cpp12
-rw-r--r--fpdfsdk/cpdfsdk_baannot.cpp5
-rw-r--r--fpdfsdk/formfiller/cba_fontmap.cpp2
-rw-r--r--fpdfsdk/fpdf_flatten.cpp9
-rw-r--r--fpdfsdk/fpdf_transformpage.cpp6
-rw-r--r--fpdfsdk/fpdfsave.cpp4
10 files changed, 77 insertions, 113 deletions
diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
index d3d55b91b5..7acd368683 100644
--- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
@@ -53,8 +53,8 @@ void CPDF_PageContentGenerator::GenerateContent() {
if (pContent) {
pPageDict->RemoveFor("Contents");
}
- CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
- pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
+ CPDF_Stream* pStream = new CPDF_Stream;
+ pStream->SetData(buf.GetBuffer(), buf.GetLength());
m_pDocument->AddIndirectObject(pStream);
pPageDict->SetReferenceFor("Contents", m_pDocument, pStream->GetObjNum());
}
@@ -109,21 +109,25 @@ void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
const uint8_t* data,
uint32_t size,
CFX_Matrix& matrix) {
- if (!data || !size) {
+ if (!data || !size)
return;
- }
- CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
+
CPDF_Dictionary* pFormDict = new CPDF_Dictionary;
pFormDict->SetNameFor("Type", "XObject");
pFormDict->SetNameFor("Subtype", "Form");
+
CFX_FloatRect bbox = m_pPage->GetPageBBox();
matrix.TransformRect(bbox);
pFormDict->SetRectFor("BBox", bbox);
+
+ CPDF_Stream* pStream = new CPDF_Stream;
pStream->InitStream(data, size, pFormDict);
buf << "q " << matrix << " cm ";
+
CFX_ByteString name = RealizeResource(pStream, "XObject");
buf << "/" << PDF_NameEncode(name) << " Do Q\n";
}
+
void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
CPDF_Object* pContent =
@@ -164,8 +168,8 @@ void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
contentStream.LoadAllData(pStream);
ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
}
- CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
- pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
+ CPDF_Stream* pStream = new CPDF_Stream;
+ pStream->SetData(buf.GetBuffer(), buf.GetLength());
m_pDocument->AddIndirectObject(pStream);
m_pPage->m_pFormDict->SetReferenceFor("Contents", m_pDocument,
pStream->GetObjNum());
diff --git a/core/fpdfapi/fpdf_page/cpdf_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp
index 02e492b27d..32b69bf9cb 100644
--- a/core/fpdfapi/fpdf_page/cpdf_image.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp
@@ -116,7 +116,7 @@ CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, uint32_t size) {
m_Width = width;
m_Height = height;
if (!m_pStream)
- m_pStream = new CPDF_Stream(nullptr, 0, nullptr);
+ m_pStream = new CPDF_Stream;
return pDict;
}
@@ -329,9 +329,9 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, int32_t iCompress) {
dest_offset = 0;
}
}
- if (!m_pStream) {
- m_pStream = new CPDF_Stream(nullptr, 0, nullptr);
- }
+ if (!m_pStream)
+ m_pStream = new CPDF_Stream;
+
m_pStream->InitStream(dest_buf, dest_size, pDict);
m_bIsMask = pBitmap->IsAlphaMask();
m_Width = BitmapWidth;
diff --git a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
index e25180bedb..cc584b78b3 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
@@ -9,29 +9,24 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
+#include "third_party/base/numerics/safe_conversions.h"
#include "third_party/base/stl_util.h"
+CPDF_Stream::CPDF_Stream() {}
+
CPDF_Stream::CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict)
: m_pDict(pDict),
m_dwSize(size),
- m_GenNum(kMemoryBasedGenNum),
m_pDataBuf(pData) {}
-CPDF_Stream::~CPDF_Stream() {
- m_ObjNum = kInvalidObjNum;
- if (IsMemoryBased())
- FX_Free(m_pDataBuf);
-
- if (m_pDict)
- m_pDict->Release();
-}
+CPDF_Stream::~CPDF_Stream() {}
CPDF_Object::Type CPDF_Stream::GetType() const {
return STREAM;
}
CPDF_Dictionary* CPDF_Stream::GetDict() const {
- return m_pDict;
+ return m_pDict.get();
}
bool CPDF_Stream::IsStream() const {
@@ -46,31 +41,29 @@ const CPDF_Stream* CPDF_Stream::AsStream() const {
return this;
}
-void CPDF_Stream::InitStreamInternal(CPDF_Dictionary* pDict) {
- if (pDict) {
- if (m_pDict)
- m_pDict->Release();
- m_pDict = pDict;
- }
- if (IsMemoryBased())
- FX_Free(m_pDataBuf);
-
- m_GenNum = 0;
- m_pFile = nullptr;
-}
-
void CPDF_Stream::InitStream(const uint8_t* pData,
uint32_t size,
CPDF_Dictionary* pDict) {
- InitStreamInternal(pDict);
- m_GenNum = kMemoryBasedGenNum;
- m_pDataBuf = FX_Alloc(uint8_t, size);
+ m_pDict.reset(pDict);
+ m_bMemoryBased = true;
+ m_pFile = nullptr;
+ m_pDataBuf.reset(FX_Alloc(uint8_t, size));
if (pData)
- FXSYS_memcpy(m_pDataBuf, pData, size);
-
+ FXSYS_memcpy(m_pDataBuf.get(), pData, size);
m_dwSize = size;
if (m_pDict)
- m_pDict->SetIntegerFor("Length", size);
+ m_pDict->SetIntegerFor("Length", m_dwSize);
+}
+
+void CPDF_Stream::InitStreamFromFile(IFX_FileRead* pFile,
+ CPDF_Dictionary* pDict) {
+ m_pDict.reset(pDict);
+ m_bMemoryBased = false;
+ m_pDataBuf.reset();
+ m_pFile = pFile;
+ m_dwSize = pdfium::base::checked_cast<uint32_t>(pFile->GetSize());
+ if (m_pDict)
+ m_pDict->SetIntegerFor("Length", m_dwSize);
}
CPDF_Object* CPDF_Stream::Clone() const {
@@ -93,53 +86,31 @@ CPDF_Object* CPDF_Stream::CloneNonCyclic(
return new CPDF_Stream(acc.DetachData(), streamSize, pDict);
}
-void CPDF_Stream::SetData(const uint8_t* pData,
- uint32_t size,
- FX_BOOL bCompressed,
- FX_BOOL bKeepBuf) {
- if (IsMemoryBased())
- FX_Free(m_pDataBuf);
- m_GenNum = kMemoryBasedGenNum;
-
- if (bKeepBuf) {
- m_pDataBuf = const_cast<uint8_t*>(pData);
- } else {
- m_pDataBuf = FX_Alloc(uint8_t, size);
- if (pData) {
- FXSYS_memcpy(m_pDataBuf, pData, size);
- }
- }
+void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) {
+ m_bMemoryBased = true;
+ m_pDataBuf.reset(FX_Alloc(uint8_t, size));
+ if (pData)
+ FXSYS_memcpy(m_pDataBuf.get(), pData, size);
m_dwSize = size;
if (!m_pDict)
- m_pDict = new CPDF_Dictionary;
+ m_pDict.reset(new CPDF_Dictionary);
m_pDict->SetIntegerFor("Length", size);
- if (!bCompressed) {
- m_pDict->RemoveFor("Filter");
- m_pDict->RemoveFor("DecodeParms");
- }
+ m_pDict->RemoveFor("Filter");
+ m_pDict->RemoveFor("DecodeParms");
}
FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset,
uint8_t* buf,
uint32_t size) const {
- if (!IsMemoryBased() && m_pFile)
+ if (m_bMemoryBased && m_pFile)
return m_pFile->ReadBlock(buf, offset, size);
if (m_pDataBuf)
- FXSYS_memcpy(buf, m_pDataBuf + offset, size);
+ FXSYS_memcpy(buf, m_pDataBuf.get() + offset, size);
return TRUE;
}
-void CPDF_Stream::InitStreamFromFile(IFX_FileRead* pFile,
- CPDF_Dictionary* pDict) {
- InitStreamInternal(pDict);
- m_pFile = pFile;
- m_dwSize = (uint32_t)pFile->GetSize();
- if (m_pDict)
- m_pDict->SetIntegerFor("Length", m_dwSize);
-}
-
CFX_WideString CPDF_Stream::GetUnicodeText() const {
CPDF_StreamAcc stream;
stream.LoadAllData(this, FALSE);
diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_stream.h b/core/fpdfapi/fpdf_parser/include/cpdf_stream.h
index 7ea761ef51..b39b20a1e9 100644
--- a/core/fpdfapi/fpdf_parser/include/cpdf_stream.h
+++ b/core/fpdfapi/fpdf_parser/include/cpdf_stream.h
@@ -7,14 +7,18 @@
#ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_H_
#define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_H_
+#include <memory>
#include <set>
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
-#include "core/fxcrt/include/fx_stream.h"
+#include "core/fxcrt/include/fx_basic.h"
class CPDF_Stream : public CPDF_Object {
public:
+ CPDF_Stream();
+
+ // Takes onwership of |pData| and |pDict|.
CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict);
// CPDF_Object.
@@ -27,12 +31,10 @@ class CPDF_Stream : public CPDF_Object {
const CPDF_Stream* AsStream() const override;
uint32_t GetRawSize() const { return m_dwSize; }
- uint8_t* GetRawData() const { return m_pDataBuf; }
+ uint8_t* GetRawData() const { return m_pDataBuf.get(); }
- void SetData(const uint8_t* pData,
- uint32_t size,
- FX_BOOL bCompressed,
- FX_BOOL bKeepBuf);
+ // Does not takes onwership of |pData|, copies into internally-owned buffer.
+ void SetData(const uint8_t* pData, uint32_t size);
void InitStream(const uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict);
void InitStreamFromFile(IFX_FileRead* pFile, CPDF_Dictionary* pDict);
@@ -41,26 +43,19 @@ class CPDF_Stream : public CPDF_Object {
uint8_t* pBuf,
uint32_t buf_size) const;
- bool IsMemoryBased() const { return m_GenNum == kMemoryBasedGenNum; }
+ bool IsMemoryBased() const { return m_bMemoryBased; }
protected:
- static const uint32_t kMemoryBasedGenNum = (uint32_t)-1;
-
~CPDF_Stream() override;
CPDF_Object* CloneNonCyclic(
bool bDirect,
std::set<const CPDF_Object*>* pVisited) const override;
- void InitStreamInternal(CPDF_Dictionary* pDict);
-
- CPDF_Dictionary* m_pDict;
- uint32_t m_dwSize;
- uint32_t m_GenNum;
-
- union {
- uint8_t* m_pDataBuf;
- IFX_FileRead* m_pFile;
- };
+ std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> m_pDict;
+ bool m_bMemoryBased = true;
+ uint32_t m_dwSize = 0;
+ std::unique_ptr<uint8_t, FxFreeDeleter> m_pDataBuf;
+ IFX_FileRead* m_pFile = nullptr;
};
#endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_STREAM_H_
diff --git a/core/fpdfdoc/cpvt_generateap.cpp b/core/fpdfdoc/cpvt_generateap.cpp
index d37aaf3acb..1e531799e8 100644
--- a/core/fpdfdoc/cpvt_generateap.cpp
+++ b/core/fpdfdoc/cpvt_generateap.cpp
@@ -166,7 +166,7 @@ bool GenerateWidgetAP(CPDF_Document* pDoc,
}
CPDF_Stream* pNormalStream = pAPDict->GetStreamFor("N");
if (!pNormalStream) {
- pNormalStream = new CPDF_Stream(nullptr, 0, nullptr);
+ pNormalStream = new CPDF_Stream;
int32_t objnum = pDoc->AddIndirectObject(pNormalStream);
pAnnotDict->GetDictFor("AP")->SetReferenceFor("N", pDoc, objnum);
}
@@ -418,8 +418,7 @@ bool GenerateWidgetAP(CPDF_Document* pDoc,
} break;
}
if (pNormalStream) {
- pNormalStream->SetData(sAppStream.GetBuffer(), sAppStream.GetSize(), FALSE,
- FALSE);
+ pNormalStream->SetData(sAppStream.GetBuffer(), sAppStream.GetSize());
pStreamDict = pNormalStream->GetDict();
if (pStreamDict) {
pStreamDict->SetMatrixFor("Matrix", matrix);
@@ -591,12 +590,10 @@ void GenerateAndSetAPDict(CPDF_Document* pDoc,
CPDF_Dictionary* pAPDict = new CPDF_Dictionary;
pAnnotDict->SetFor("AP", pAPDict);
- CPDF_Stream* pNormalStream = new CPDF_Stream(nullptr, 0, nullptr);
+ CPDF_Stream* pNormalStream = new CPDF_Stream;
int32_t objnum = pDoc->AddIndirectObject(pNormalStream);
pAnnotDict->GetDictFor("AP")->SetReferenceFor("N", pDoc, objnum);
-
- pNormalStream->SetData(sAppStream.GetBuffer(), sAppStream.GetSize(), FALSE,
- FALSE);
+ pNormalStream->SetData(sAppStream.GetBuffer(), sAppStream.GetSize());
CPDF_Dictionary* pStreamDict = pNormalStream->GetDict();
pStreamDict->SetIntegerFor("FormType", 1);
@@ -607,7 +604,6 @@ void GenerateAndSetAPDict(CPDF_Document* pDoc,
? CPDF_Annot::RectFromQuadPoints(pAnnotDict)
: pAnnotDict->GetRectFor("Rect");
pStreamDict->SetRectFor("BBox", rect);
-
pStreamDict->SetFor("Resources", pResourceDict);
}
diff --git a/fpdfsdk/cpdfsdk_baannot.cpp b/fpdfsdk/cpdfsdk_baannot.cpp
index e023ae79f1..2c63780772 100644
--- a/fpdfsdk/cpdfsdk_baannot.cpp
+++ b/fpdfsdk/cpdfsdk_baannot.cpp
@@ -320,7 +320,7 @@ void CPDFSDK_BAAnnot::WriteAppearance(const CFX_ByteString& sAPType,
}
if (!pStream) {
- pStream = new CPDF_Stream(nullptr, 0, nullptr);
+ pStream = new CPDF_Stream;
CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
int32_t objnum = pDoc->AddIndirectObject(pStream);
pParentDict->SetReferenceFor(sAPType, pDoc, objnum);
@@ -340,8 +340,7 @@ void CPDFSDK_BAAnnot::WriteAppearance(const CFX_ByteString& sAPType,
pStreamDict->SetRectFor("BBox", rcBBox);
}
- pStream->SetData((uint8_t*)sContents.c_str(), sContents.GetLength(), FALSE,
- FALSE);
+ pStream->SetData((uint8_t*)sContents.c_str(), sContents.GetLength());
}
FX_BOOL CPDFSDK_BAAnnot::IsVisible() const {
diff --git a/fpdfsdk/formfiller/cba_fontmap.cpp b/fpdfsdk/formfiller/cba_fontmap.cpp
index 264366bfa4..fe690f23d5 100644
--- a/fpdfsdk/formfiller/cba_fontmap.cpp
+++ b/fpdfsdk/formfiller/cba_fontmap.cpp
@@ -167,7 +167,7 @@ void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont,
CPDF_Stream* pStream = pAPDict->GetStreamFor(m_sAPType);
if (!pStream) {
- pStream = new CPDF_Stream(nullptr, 0, nullptr);
+ pStream = new CPDF_Stream;
int32_t objnum = m_pDocument->AddIndirectObject(pStream);
pAPDict->SetReferenceFor(m_sAPType, m_pDocument, objnum);
}
diff --git a/fpdfsdk/fpdf_flatten.cpp b/fpdfsdk/fpdf_flatten.cpp
index de6baf1f01..aa21b280ed 100644
--- a/fpdfsdk/fpdf_flatten.cpp
+++ b/fpdfsdk/fpdf_flatten.cpp
@@ -200,8 +200,7 @@ void SetPageContents(CFX_ByteString key,
CFX_ByteString sStream;
sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
- pNewContents->SetData(sStream.raw_str(), sStream.GetLength(), FALSE,
- FALSE);
+ pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
}
return;
}
@@ -219,7 +218,7 @@ void SetPageContents(CFX_ByteString key,
CFX_ByteString sBody =
CFX_ByteString((const FX_CHAR*)acc.GetData(), acc.GetSize());
sStream = sStream + sBody + "\nQ";
- pContents->SetData(sStream.raw_str(), sStream.GetLength(), FALSE, FALSE);
+ pContents->SetData(sStream.raw_str(), sStream.GetLength());
pContentsArray->AddReference(pDocument, dwObjNum);
break;
}
@@ -246,7 +245,7 @@ void SetPageContents(CFX_ByteString key,
CFX_ByteString sStream;
sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
- pNewContents->SetData(sStream.raw_str(), sStream.GetLength(), FALSE, FALSE);
+ pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
}
}
@@ -506,7 +505,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag) {
sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f,
sFormName.c_str());
sStream += sTemp;
- pNewXObject->SetData(sStream.raw_str(), sStream.GetLength(), FALSE, FALSE);
+ pNewXObject->SetData(sStream.raw_str(), sStream.GetLength());
}
pPageDict->RemoveFor("Annots");
diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp
index 7b2bf73871..204e49b695 100644
--- a/fpdfsdk/fpdf_transformpage.cpp
+++ b/fpdfsdk/fpdf_transformpage.cpp
@@ -127,7 +127,7 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page,
CPDF_Dictionary* pDic = new CPDF_Dictionary;
CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, pDic);
- pStream->SetData(textBuf.GetBuffer(), textBuf.GetSize(), FALSE, FALSE);
+ pStream->SetData(textBuf.GetBuffer(), textBuf.GetSize());
CPDF_Document* pDoc = pPage->m_pDocument;
if (!pDoc)
return FALSE;
@@ -135,7 +135,7 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page,
pDic = new CPDF_Dictionary;
CPDF_Stream* pEndStream = new CPDF_Stream(nullptr, 0, pDic);
- pEndStream->SetData((const uint8_t*)" Q", 2, FALSE, FALSE);
+ pEndStream->SetData((const uint8_t*)" Q", 2);
pDoc->AddIndirectObject(pEndStream);
CPDF_Array* pContentArray = nullptr;
@@ -302,7 +302,7 @@ DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page,
}
CPDF_Dictionary* pDic = new CPDF_Dictionary;
CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, pDic);
- pStream->SetData(strClip.GetBuffer(), strClip.GetSize(), FALSE, FALSE);
+ pStream->SetData(strClip.GetBuffer(), strClip.GetSize());
CPDF_Document* pDoc = pPage->m_pDocument;
if (!pDoc)
return;
diff --git a/fpdfsdk/fpdfsave.cpp b/fpdfsdk/fpdfsave.cpp
index 243ba2a817..307163d1af 100644
--- a/fpdfsdk/fpdfsave.cpp
+++ b/fpdfsdk/fpdfsave.cpp
@@ -183,7 +183,7 @@ bool SaveXFADocumentData(CPDFXFA_Document* pDocument,
if (pDataSetsStream)
pDataSetsStream->InitStreamFromFile(pDsfileWrite.get(), pDataDict);
} else {
- CPDF_Stream* pData = new CPDF_Stream(nullptr, 0, nullptr);
+ CPDF_Stream* pData = new CPDF_Stream;
pData->InitStreamFromFile(pDsfileWrite.get(), pDataDict);
pPDFDocument->AddIndirectObject(pData);
iLast = pArray->GetCount() - 2;
@@ -204,7 +204,7 @@ bool SaveXFADocumentData(CPDFXFA_Document* pDocument,
if (pFormStream)
pFormStream->InitStreamFromFile(pfileWrite.get(), pDataDict);
} else {
- CPDF_Stream* pData = new CPDF_Stream(nullptr, 0, nullptr);
+ CPDF_Stream* pData = new CPDF_Stream;
pData->InitStreamFromFile(pfileWrite.get(), pDataDict);
pPDFDocument->AddIndirectObject(pData);
iLast = pArray->GetCount() - 2;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 09:54:59 +0000