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-rw-r--r--uriloader/exthandler/mac/nsDecodeAppleFile.cpp389
1 files changed, 389 insertions, 0 deletions
diff --git a/uriloader/exthandler/mac/nsDecodeAppleFile.cpp b/uriloader/exthandler/mac/nsDecodeAppleFile.cpp
new file mode 100644
index 0000000000..1a428a62db
--- /dev/null
+++ b/uriloader/exthandler/mac/nsDecodeAppleFile.cpp
@@ -0,0 +1,389 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsDecodeAppleFile.h"
+#include "prmem.h"
+#include "nsCRT.h"
+
+
+NS_IMPL_ADDREF(nsDecodeAppleFile)
+NS_IMPL_RELEASE(nsDecodeAppleFile)
+
+NS_INTERFACE_MAP_BEGIN(nsDecodeAppleFile)
+ NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIOutputStream)
+ NS_INTERFACE_MAP_ENTRY(nsIOutputStream)
+NS_INTERFACE_MAP_END_THREADSAFE
+
+nsDecodeAppleFile::nsDecodeAppleFile()
+{
+ m_state = parseHeaders;
+ m_dataBufferLength = 0;
+ m_dataBuffer = (unsigned char*) PR_MALLOC(MAX_BUFFERSIZE);
+ m_entries = nullptr;
+ m_rfRefNum = -1;
+ m_totalDataForkWritten = 0;
+ m_totalResourceForkWritten = 0;
+ m_headerOk = false;
+
+ m_comment[0] = 0;
+ memset(&m_dates, 0, sizeof(m_dates));
+ memset(&m_finderInfo, 0, sizeof(m_dates));
+ memset(&m_finderExtraInfo, 0, sizeof(m_dates));
+}
+
+nsDecodeAppleFile::~nsDecodeAppleFile()
+{
+
+ PR_FREEIF(m_dataBuffer);
+ if (m_entries)
+ delete [] m_entries;
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::Initialize(nsIOutputStream *output, nsIFile *file)
+{
+ m_output = output;
+
+ nsCOMPtr<nsILocalFileMac> macFile = do_QueryInterface(file);
+ macFile->GetTargetFSSpec(&m_fsFileSpec);
+
+ m_offset = 0;
+ m_dataForkOffset = 0;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::Close(void)
+{
+ nsresult rv;
+ rv = m_output->Close();
+
+ int32_t i;
+
+ if (m_rfRefNum != -1)
+ FSClose(m_rfRefNum);
+
+ /* Check if the file is complete and if it's the case, write file attributes */
+ if (m_headerOk)
+ {
+ bool dataOk = true; /* It's ok if the file doesn't have a datafork, therefore set it to true by default. */
+ if (m_headers.magic == APPLESINGLE_MAGIC)
+ {
+ for (i = 0; i < m_headers.entriesCount; i ++)
+ if (ENT_DFORK == m_entries[i].id)
+ {
+ dataOk = (bool)(m_totalDataForkWritten == m_entries[i].length);
+ break;
+ }
+ }
+
+ bool resourceOk = FALSE;
+ for (i = 0; i < m_headers.entriesCount; i ++)
+ if (ENT_RFORK == m_entries[i].id)
+ {
+ resourceOk = (bool)(m_totalResourceForkWritten == m_entries[i].length);
+ break;
+ }
+
+ if (dataOk && resourceOk)
+ {
+ HFileInfo *fpb;
+ CInfoPBRec cipbr;
+
+ fpb = (HFileInfo *) &cipbr;
+ fpb->ioVRefNum = m_fsFileSpec.vRefNum;
+ fpb->ioDirID = m_fsFileSpec.parID;
+ fpb->ioNamePtr = m_fsFileSpec.name;
+ fpb->ioFDirIndex = 0;
+ PBGetCatInfoSync(&cipbr);
+
+ /* set finder info */
+ memcpy(&fpb->ioFlFndrInfo, &m_finderInfo, sizeof (FInfo));
+ memcpy(&fpb->ioFlXFndrInfo, &m_finderExtraInfo, sizeof (FXInfo));
+ fpb->ioFlFndrInfo.fdFlags &= 0xfc00; /* clear flags maintained by finder */
+
+ /* set file dates */
+ fpb->ioFlCrDat = m_dates.create - CONVERT_TIME;
+ fpb->ioFlMdDat = m_dates.modify - CONVERT_TIME;
+ fpb->ioFlBkDat = m_dates.backup - CONVERT_TIME;
+
+ /* update file info */
+ fpb->ioDirID = fpb->ioFlParID;
+ PBSetCatInfoSync(&cipbr);
+
+ /* set comment */
+ IOParam vinfo;
+ GetVolParmsInfoBuffer vp;
+ DTPBRec dtp;
+
+ memset((void *) &vinfo, 0, sizeof (vinfo));
+ vinfo.ioVRefNum = fpb->ioVRefNum;
+ vinfo.ioBuffer = (Ptr) &vp;
+ vinfo.ioReqCount = sizeof (vp);
+ if (PBHGetVolParmsSync((HParmBlkPtr) &vinfo) == noErr && ((vp.vMAttrib >> bHasDesktopMgr) & 1))
+ {
+ memset((void *) &dtp, 0, sizeof (dtp));
+ dtp.ioVRefNum = fpb->ioVRefNum;
+ if (PBDTGetPath(&dtp) == noErr)
+ {
+ dtp.ioDTBuffer = (Ptr) &m_comment[1];
+ dtp.ioNamePtr = fpb->ioNamePtr;
+ dtp.ioDirID = fpb->ioDirID;
+ dtp.ioDTReqCount = m_comment[0];
+ if (PBDTSetCommentSync(&dtp) == noErr)
+ PBDTFlushSync(&dtp);
+ }
+ }
+ }
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::Flush(void)
+{
+ return m_output->Flush();
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::WriteFrom(nsIInputStream *inStr, uint32_t count, uint32_t *_retval)
+{
+ return m_output->WriteFrom(inStr, count, _retval);
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::WriteSegments(nsReadSegmentFun reader, void * closure, uint32_t count, uint32_t *_retval)
+{
+ return m_output->WriteSegments(reader, closure, count, _retval);
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::IsNonBlocking(bool *aNonBlocking)
+{
+ return m_output->IsNonBlocking(aNonBlocking);
+}
+
+NS_IMETHODIMP nsDecodeAppleFile::Write(const char *buffer, uint32_t bufferSize, uint32_t* writeCount)
+{
+ /* WARNING: to simplify my life, I presume that I should get all appledouble headers in the first block,
+ else I would have to implement a buffer */
+
+ const char * buffPtr = buffer;
+ uint32_t dataCount;
+ int32_t i;
+ nsresult rv = NS_OK;
+
+ *writeCount = 0;
+
+ while (bufferSize > 0 && NS_SUCCEEDED(rv))
+ {
+ switch (m_state)
+ {
+ case parseHeaders :
+ dataCount = sizeof(ap_header) - m_dataBufferLength;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ memcpy(&m_dataBuffer[m_dataBufferLength], buffPtr, dataCount);
+ m_dataBufferLength += dataCount;
+
+ if (m_dataBufferLength == sizeof(ap_header))
+ {
+ memcpy(&m_headers, m_dataBuffer, sizeof(ap_header));
+
+ /* Check header to be sure we are dealing with the right kind of data, else just write it to the data fork. */
+ if ((m_headers.magic == APPLEDOUBLE_MAGIC || m_headers.magic == APPLESINGLE_MAGIC) &&
+ m_headers.version == VERSION && m_headers.entriesCount)
+ {
+ /* Just to be sure, the filler must contains only 0 */
+ for (i = 0; i < 4 && m_headers.fill[i] == 0L; i ++)
+ ;
+ if (i == 4)
+ m_state = parseEntries;
+ }
+ m_dataBufferLength = 0;
+
+ if (m_state == parseHeaders)
+ {
+ dataCount = 0;
+ m_state = parseWriteThrough;
+ }
+ }
+ break;
+
+ case parseEntries :
+ if (!m_entries)
+ {
+ m_entries = new ap_entry[m_headers.entriesCount];
+ if (!m_entries)
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ uint32_t entriesSize = sizeof(ap_entry) * m_headers.entriesCount;
+ dataCount = entriesSize - m_dataBufferLength;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ memcpy(&m_dataBuffer[m_dataBufferLength], buffPtr, dataCount);
+ m_dataBufferLength += dataCount;
+
+ if (m_dataBufferLength == entriesSize)
+ {
+ for (i = 0; i < m_headers.entriesCount; i ++)
+ {
+ memcpy(&m_entries[i], &m_dataBuffer[i * sizeof(ap_entry)], sizeof(ap_entry));
+ if (m_headers.magic == APPLEDOUBLE_MAGIC)
+ {
+ uint32_t offset = m_entries[i].offset + m_entries[i].length;
+ if (offset > m_dataForkOffset)
+ m_dataForkOffset = offset;
+ }
+ }
+ m_headerOk = true;
+ m_state = parseLookupPart;
+ }
+ break;
+
+ case parseLookupPart :
+ /* which part are we parsing? */
+ m_currentPartID = -1;
+ for (i = 0; i < m_headers.entriesCount; i ++)
+ if (m_offset == m_entries[i].offset && m_entries[i].length)
+ {
+ m_currentPartID = m_entries[i].id;
+ m_currentPartLength = m_entries[i].length;
+ m_currentPartCount = 0;
+
+ switch (m_currentPartID)
+ {
+ case ENT_DFORK : m_state = parseDataFork; break;
+ case ENT_RFORK : m_state = parseResourceFork; break;
+
+ case ENT_COMMENT :
+ case ENT_DATES :
+ case ENT_FINFO :
+ m_dataBufferLength = 0;
+ m_state = parsePart;
+ break;
+
+ default : m_state = parseSkipPart; break;
+ }
+ break;
+ }
+
+ if (m_currentPartID == -1)
+ {
+ /* maybe is the datafork of an appledouble file? */
+ if (m_offset == m_dataForkOffset)
+ {
+ m_currentPartID = ENT_DFORK;
+ m_currentPartLength = -1;
+ m_currentPartCount = 0;
+ m_state = parseDataFork;
+ }
+ else
+ dataCount = 1;
+ }
+ break;
+
+ case parsePart :
+ dataCount = m_currentPartLength - m_dataBufferLength;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ memcpy(&m_dataBuffer[m_dataBufferLength], buffPtr, dataCount);
+ m_dataBufferLength += dataCount;
+
+ if (m_dataBufferLength == m_currentPartLength)
+ {
+ switch (m_currentPartID)
+ {
+ case ENT_COMMENT :
+ m_comment[0] = m_currentPartLength > 255 ? 255 : m_currentPartLength;
+ memcpy(&m_comment[1], buffPtr, m_comment[0]);
+ break;
+ case ENT_DATES :
+ if (m_currentPartLength == sizeof(m_dates))
+ memcpy(&m_dates, buffPtr, m_currentPartLength);
+ break;
+ case ENT_FINFO :
+ if (m_currentPartLength == (sizeof(m_finderInfo) + sizeof(m_finderExtraInfo)))
+ {
+ memcpy(&m_finderInfo, buffPtr, sizeof(m_finderInfo));
+ memcpy(&m_finderExtraInfo, buffPtr + sizeof(m_finderInfo), sizeof(m_finderExtraInfo));
+ }
+ break;
+ }
+ m_state = parseLookupPart;
+ }
+ break;
+
+ case parseSkipPart :
+ dataCount = m_currentPartLength - m_currentPartCount;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ else
+ m_state = parseLookupPart;
+ break;
+
+ case parseDataFork :
+ if (m_headers.magic == APPLEDOUBLE_MAGIC)
+ dataCount = bufferSize;
+ else
+ {
+ dataCount = m_currentPartLength - m_currentPartCount;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ else
+ m_state = parseLookupPart;
+ }
+
+ if (m_output)
+ {
+ uint32_t writeCount;
+ rv = m_output->Write((const char *)buffPtr, dataCount, &writeCount);
+ if (dataCount != writeCount)
+ rv = NS_ERROR_FAILURE;
+ m_totalDataForkWritten += dataCount;
+ }
+
+ break;
+
+ case parseResourceFork :
+ dataCount = m_currentPartLength - m_currentPartCount;
+ if (dataCount > bufferSize)
+ dataCount = bufferSize;
+ else
+ m_state = parseLookupPart;
+
+ if (m_rfRefNum == -1)
+ {
+ if (noErr != FSpOpenRF(&m_fsFileSpec, fsWrPerm, &m_rfRefNum))
+ return NS_ERROR_FAILURE;
+ }
+
+ long count = dataCount;
+ if (noErr != FSWrite(m_rfRefNum, &count, buffPtr) || count != dataCount)
+ return NS_ERROR_FAILURE;
+ m_totalResourceForkWritten += dataCount;
+ break;
+
+ case parseWriteThrough :
+ dataCount = bufferSize;
+ if (m_output)
+ {
+ uint32_t writeCount;
+ rv = m_output->Write((const char *)buffPtr, dataCount, &writeCount);
+ if (dataCount != writeCount)
+ rv = NS_ERROR_FAILURE;
+ }
+ break;
+ }
+
+ if (dataCount)
+ {
+ *writeCount += dataCount;
+ bufferSize -= dataCount;
+ buffPtr += dataCount;
+ m_currentPartCount += dataCount;
+ m_offset += dataCount;
+ dataCount = 0;
+ }
+ }
+
+ return rv;
+}