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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
enum eMimeMapQuery { mmqMimeMap = 1, mmqParentType, mmqParentValue,
mmqMimeType, mmqExtension};
// prototypes
static HRESULT AddMimeMapToList(SCA_MIMEMAP** ppsmmList);
void ScaMimeMapFreeList(SCA_MIMEMAP* psmmList)
{
SCA_MIMEMAP* psmmDelete = psmmList;
while (psmmList)
{
psmmDelete = psmmList;
psmmList = psmmList->psmmNext;
MemFree(psmmDelete);
}
}
HRESULT __stdcall ScaMimeMapRead(
SCA_MIMEMAP** ppsmmList,
__inout LPWSTR *ppwzCustomActionData
)
{
HRESULT hr = S_OK;
MSIHANDLE hRec;
LPWSTR pwzData = NULL;
SCA_MIMEMAP* psmm;
WCA_WRAPQUERY_HANDLE hWrapQuery = NULL;
hr = WcaBeginUnwrapQuery(&hWrapQuery, ppwzCustomActionData);
ExitOnFailure(hr, "Failed to unwrap query for ScaMimeMapRead");
if (0 == WcaGetQueryRecords(hWrapQuery))
{
WcaLog(LOGMSG_VERBOSE, "Skipping ScaMimeMapRead() - required table not present");
ExitFunction1(hr = S_FALSE);
}
// loop through all the mimemappings
while (S_OK == (hr = WcaFetchWrappedRecord(hWrapQuery, &hRec)))
{
hr = AddMimeMapToList(ppsmmList);
ExitOnFailure(hr, "failed to add mime map to list");
psmm = *ppsmmList;
hr = WcaGetRecordString(hRec, mmqMimeMap, &pwzData);
ExitOnFailure(hr, "Failed to get MimeMap.MimeMap");
hr = ::StringCchCopyW(psmm->wzMimeMap, countof(psmm->wzMimeMap), pwzData);
ExitOnFailure(hr, "Failed to copy mimemap string to mimemap object");
hr = WcaGetRecordInteger(hRec, mmqParentType, &psmm->iParentType);
ExitOnFailure(hr, "Failed to get MimeMap.iParentType");
hr = WcaGetRecordString(hRec, mmqParentValue, &pwzData);
ExitOnFailure(hr, "Failed to get MimeMap.ParentValue");
hr = ::StringCchCopyW(psmm->wzParentValue, countof(psmm->wzParentValue), pwzData);
ExitOnFailure(hr, "Failed to copy parent value string to mimemap object");
hr = WcaGetRecordString(hRec, mmqExtension, &pwzData);
ExitOnFailure(hr, "Failed to get MimeMap.Extension");
hr = ::StringCchCopyW(psmm->wzExtension, countof(psmm->wzExtension), pwzData);
ExitOnFailure(hr, "Failed to copy extension string to mimemap object");
hr = WcaGetRecordString(hRec, mmqMimeType, &pwzData);
ExitOnFailure(hr, "Failed to get MimeMap.MimeType");
hr = ::StringCchCopyW(psmm->wzMimeType, countof(psmm->wzMimeType), pwzData);
ExitOnFailure(hr, "Failed to copy mimetype string to mimemap object");
}
if (E_NOMOREITEMS == hr)
hr = S_OK;
ExitOnFailure(hr, "Failure while processing mimemappings");
LExit:
WcaFinishUnwrapQuery(hWrapQuery);
ReleaseStr(pwzData);
return hr;
}
HRESULT ScaGetMimeMap(int iParentType, LPCWSTR wzParentValue, SCA_MIMEMAP **ppsmmList, SCA_MIMEMAP **ppsmmOut)
{
HRESULT hr = S_OK;
SCA_MIMEMAP* psmmAdd = NULL;
SCA_MIMEMAP* psmmLast = NULL;
*ppsmmOut = NULL;
if (!*ppsmmList)
return hr;
SCA_MIMEMAP* psmm = *ppsmmList;
while (psmm)
{
if (iParentType == psmm->iParentType && 0 == lstrcmpW(wzParentValue, psmm->wzParentValue))
{
// Found a match, take this one out of the list and add it to the matched out list
psmmAdd = psmm;
if (psmmLast)
{
// If we're not at the beginning of the list tell the last node about it's new next (since we're taking away it's current next)
psmmLast->psmmNext = psmmAdd->psmmNext;
}
else
{
// If we are at the beginning (no psmmLast) update the beginning (since we're taking it)
*ppsmmList = psmm->psmmNext;
}
psmm = psmm->psmmNext; // move on
// Add the one we've removed to the beginning of the out list
psmmAdd->psmmNext = *ppsmmOut;
*ppsmmOut = psmmAdd;
}
else
{
psmmLast = psmm; // remember the last we that didn't match
psmm = psmm->psmmNext; // move on
}
}
return hr;
}
HRESULT ScaMimeMapCheckList(SCA_MIMEMAP* psmmList)
{
if (!psmmList)
return S_OK;
while (psmmList)
{
WcaLog(LOGMSG_STANDARD, "MimeMapping of %ls with ParentType=%d and ParentValue=%ls not used!", psmmList->wzMimeMap, psmmList->iParentType, psmmList->wzParentValue);
psmmList = psmmList->psmmNext;
}
return E_FAIL;
}
HRESULT ScaWriteMimeMap(IMSAdminBase* piMetabase, LPCWSTR wzRootOfWeb,
SCA_MIMEMAP* psmmList)
{
HRESULT hr = S_OK;
WCHAR wzMimeMap[8192];
WCHAR *pwzNext = wzMimeMap;
const WCHAR *pwzMac = wzMimeMap + countof(wzMimeMap); // used to properly create the MULTI_SZ
// fill the MULTI_SZ wzMimeMap buffer for the MimeMap attribute
::ZeroMemory(wzMimeMap, sizeof(wzMimeMap));
for (SCA_MIMEMAP* psmm = psmmList; psmm; psmm = psmm->psmmNext)
{
hr = ::StringCchPrintfW(pwzNext, max(0, pwzMac - pwzNext), L"%s,%s", psmm->wzExtension, psmm->wzMimeType);
ExitOnFailure(hr, "Failed to set MimeMap string");
pwzNext += lstrlenW(pwzNext) + 1; // reserve space for null
Assert(pwzNext <= pwzMac);
}
if (pwzNext != wzMimeMap)
{
// now write the CustomErrors to the metabase
hr = ScaWriteMetabaseValue(piMetabase, wzRootOfWeb, NULL, MD_MIME_MAP, METADATA_INHERIT, IIS_MD_UT_FILE, MULTISZ_METADATA, wzMimeMap);
ExitOnFailure(hr, "Failed to write MimeMap");
}
else
{
WcaLog(LOGMSG_VERBOSE, "Skipping ScaWriteMimeMap() - no mappings found.");
ExitFunction1(hr = S_FALSE);
}
LExit:
return hr;
}
static HRESULT AddMimeMapToList(SCA_MIMEMAP** ppsmmList)
{
HRESULT hr = S_OK;
SCA_MIMEMAP* psmm = static_cast<SCA_MIMEMAP*>(MemAlloc(sizeof(SCA_MIMEMAP), TRUE));
ExitOnNull(psmm, hr, E_OUTOFMEMORY, "failed to allocate memory for new mime map list element");
psmm->psmmNext = *ppsmmList;
*ppsmmList = psmm;
LExit:
return hr;
}
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