static private Nullable <ContentRight> GetRightFromHandle(SafeRightsManagementPubHandle rightHandle,
out DateTime validFrom,
out DateTime validUntil)
{
uint rightNameLength = 0;
StringBuilder rightName;
int hr = SafeNativeMethods.DRMGetRightInfo(rightHandle,
ref rightNameLength,
null,
null,
null);
Errors.ThrowOnErrorCode(hr);
rightName = new StringBuilder(checked ((int)rightNameLength));
SystemTime validFromSysTime = new SystemTime(DateTime.Now);
SystemTime validUntilSysTime = new SystemTime(DateTime.Now);
hr = SafeNativeMethods.DRMGetRightInfo(rightHandle,
ref rightNameLength,
rightName,
validFromSysTime,
validUntilSysTime);
Errors.ThrowOnErrorCode(hr);
validFrom = validFromSysTime.GetDateTime(DateTime.MinValue);
validUntil = validUntilSysTime.GetDateTime(DateTime.MaxValue);
return(ClientSession.GetRightFromString(rightName.ToString()));
}
private void GetIssuanceLicenseInfo(
out DateTime timeFrom,
out DateTime timeUntil,
DistributionPointInfo distributionPointInfo,
out string distributionPointName,
out string distributionPointUri,
out ContentUser owner,
out bool officialFlag)
{
uint distributionPointNameLength = 0;
uint distributionPointUriLength = 0;
bool officialFlagTemp = false;
SafeRightsManagementPubHandle ownerHandleTemp = null;
int hr = SafeNativeMethods.DRMGetIssuanceLicenseInfo(
_issuanceLicenseHandle,
null,
null,
(uint)distributionPointInfo,
ref distributionPointNameLength,
null,
ref distributionPointUriLength,
null,
out ownerHandleTemp,
out officialFlagTemp);
Errors.ThrowOnErrorCode(hr);
if (ownerHandleTemp != null)
{
// As a result of calling DRMGetIssuanceLicenseInfo twice,
// we are getting 2 handles. We are going to dispose the first one
// and preserve the second one.
ownerHandleTemp.Dispose();
ownerHandleTemp = null;
}
StringBuilder distributionPointNameTemp = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (distributionPointNameLength > 0)
{
distributionPointNameTemp = new StringBuilder(checked ((int)distributionPointNameLength));
}
StringBuilder distributionPointUriTemp = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (distributionPointUriLength > 0)
{
distributionPointUriTemp = new StringBuilder(checked ((int)distributionPointUriLength));
}
SystemTime timeFromTemp = new SystemTime(DateTime.Now);
SystemTime timeUntilTemp = new SystemTime(DateTime.Now);
hr = SafeNativeMethods.DRMGetIssuanceLicenseInfo(
_issuanceLicenseHandle,
timeFromTemp,
timeUntilTemp,
(uint)distributionPointInfo,
ref distributionPointNameLength,
distributionPointNameTemp,
ref distributionPointUriLength,
distributionPointUriTemp,
out ownerHandleTemp,
out officialFlagTemp);
Errors.ThrowOnErrorCode(hr);
timeFrom = timeFromTemp.GetDateTime(DateTime.MinValue);
timeUntil = timeUntilTemp.GetDateTime(DateTime.MaxValue);
// only if we got some data back we shall try to process it
if (distributionPointNameTemp != null)
{
distributionPointName = distributionPointNameTemp.ToString();
}
else
{
distributionPointName = null;
}
// only if we got some data back we shall try to process it
if (distributionPointUriTemp != null)
{
distributionPointUri = distributionPointUriTemp.ToString();
}
else
{
distributionPointUri = null;
}
// if we have owner let's convert it to a user and preserve
// handler for further destruction
owner = null;
if (ownerHandleTemp != null)
{
_pubHandlesList.Add(ownerHandleTemp);
if (!ownerHandleTemp.IsInvalid)
{
owner = GetUserFromHandle(ownerHandleTemp);
}
}
officialFlag = officialFlagTemp;
}
private void GetIssuanceLicenseInfo(
out DateTime timeFrom,
out DateTime timeUntil,
DistributionPointInfo distributionPointInfo,
out string distributionPointName,
out string distributionPointUri,
out ContentUser owner,
out bool officialFlag)
{
uint distributionPointNameLength = 0;
uint distributionPointUriLength = 0;
bool officialFlagTemp = false;
SafeRightsManagementPubHandle ownerHandleTemp = null;
int hr = SafeNativeMethods.DRMGetIssuanceLicenseInfo(
_issuanceLicenseHandle,
null,
null,
(uint)distributionPointInfo,
ref distributionPointNameLength,
null,
ref distributionPointUriLength,
null,
out ownerHandleTemp,
out officialFlagTemp);
Errors.ThrowOnErrorCode(hr);
if (ownerHandleTemp != null)
{
// As a result of calling DRMGetIssuanceLicenseInfo twice,
// we are getting 2 handles. We are going to dispose the first one
// and preserve the second one.
ownerHandleTemp.Dispose();
ownerHandleTemp = null;
}
StringBuilder distributionPointNameTemp = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (distributionPointNameLength > 0)
{
distributionPointNameTemp = new StringBuilder(checked((int)distributionPointNameLength));
}
StringBuilder distributionPointUriTemp = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (distributionPointUriLength > 0)
{
distributionPointUriTemp = new StringBuilder(checked((int)distributionPointUriLength));
}
SystemTime timeFromTemp = new SystemTime(DateTime.Now);
SystemTime timeUntilTemp = new SystemTime(DateTime.Now);
hr = SafeNativeMethods.DRMGetIssuanceLicenseInfo(
_issuanceLicenseHandle,
timeFromTemp,
timeUntilTemp,
(uint)distributionPointInfo,
ref distributionPointNameLength,
distributionPointNameTemp,
ref distributionPointUriLength,
distributionPointUriTemp,
out ownerHandleTemp,
out officialFlagTemp);
Errors.ThrowOnErrorCode(hr);
timeFrom = timeFromTemp.GetDateTime(DateTime.MinValue);
timeUntil = timeUntilTemp.GetDateTime(DateTime.MaxValue);
// only if we got some data back we shall try to process it
if (distributionPointNameTemp != null)
{
distributionPointName = distributionPointNameTemp.ToString();
}
else
{
distributionPointName = null;
}
// only if we got some data back we shall try to process it
if (distributionPointUriTemp != null)
{
distributionPointUri = distributionPointUriTemp.ToString();
}
else
{
distributionPointUri = null;
}
// if we have owner let's convert it to a user and preserve
// handler for further destruction
owner = null;
if (ownerHandleTemp != null)
{
_pubHandlesList.Add(ownerHandleTemp);
if (!ownerHandleTemp.IsInvalid)
{
owner = GetUserFromHandle(ownerHandleTemp);
}
}
officialFlag = officialFlagTemp;
}
// This method has only one caller GetGrantsFromBoundUseLicense(), which is
// in the
#if DEBUG
static private DateTime GetBoundLicenseDateTimeAttribute(
SafeRightsManagementHandle queryHandle,
string attributeType,
uint attributeIndex,
DateTime defaultValue)
{
uint attributeSize = SystemTime.Size;
byte[] dataBuffer = new byte[attributeSize];
uint encodingType;
int hr = SafeNativeMethods.DRMGetBoundLicenseAttribute(
queryHandle, attributeType, attributeIndex, out encodingType,
ref attributeSize, dataBuffer);
if (encodingType != (uint)LicenseAttributeEncoding.Time)
{
throw new RightsManagementException(RightsManagementFailureCode.InvalidLicense);
}
if ((hr == (int)RightsManagementFailureCode.NoMoreData) ||
(hr == (int)RightsManagementFailureCode.QueryReportsNoResults))
{
return defaultValue;
}
Errors.ThrowOnErrorCode(hr);
Debug.Assert(attributeSize == SystemTime.Size); // if isn't true it is an indication of a problem in the underlying libraries
SystemTime sysTime = new SystemTime(dataBuffer);
return sysTime.GetDateTime(defaultValue);
}
static private Nullable<ContentRight> GetRightFromHandle(SafeRightsManagementPubHandle rightHandle,
out DateTime validFrom,
out DateTime validUntil)
{
uint rightNameLength = 0;
StringBuilder rightName;
int hr = SafeNativeMethods.DRMGetRightInfo(rightHandle,
ref rightNameLength,
null,
null,
null);
Errors.ThrowOnErrorCode(hr);
rightName = new StringBuilder(checked((int)rightNameLength));
SystemTime validFromSysTime = new SystemTime(DateTime.Now);
SystemTime validUntilSysTime = new SystemTime(DateTime.Now);
hr = SafeNativeMethods.DRMGetRightInfo(rightHandle,
ref rightNameLength,
rightName,
validFromSysTime,
validUntilSysTime);
Errors.ThrowOnErrorCode(hr);
validFrom = validFromSysTime.GetDateTime(DateTime.MinValue);
validUntil = validUntilSysTime.GetDateTime(DateTime.MaxValue);
return ClientSession.GetRightFromString(rightName.ToString());
}
