private RevocationPoint GetRevocationPoint()
{
uint idLength = 0;
uint idTypeLength = 0;
uint urlLength = 0;
uint nameLength = 0;
uint publicKeyLength = 0;
SystemTime frequency = new SystemTime(DateTime.Now);
int hr = SafeNativeMethods.DRMGetRevocationPoint(
_issuanceLicenseHandle,
ref idLength,
null,
ref idTypeLength,
null,
ref urlLength,
null,
frequency,
ref nameLength,
null,
ref publicKeyLength,
null);
if (hr == (int)RightsManagementFailureCode.RevocationInfoNotSet)
{
return(null);
}
Errors.ThrowOnErrorCode(hr);
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
StringBuilder idTemp = null;
if (idLength > 0)
{
idTemp = new StringBuilder(checked ((int)idLength));
}
StringBuilder idTypeTemp = null;
if (idTypeLength > 0)
{
idTypeTemp = new StringBuilder(checked ((int)idTypeLength));
}
StringBuilder urlTemp = null;
if (urlLength > 0)
{
urlTemp = new StringBuilder(checked ((int)urlLength));
}
StringBuilder nameTemp = null;
if (nameLength > 0)
{
nameTemp = new StringBuilder(checked ((int)nameLength));
}
StringBuilder publicKeyTemp = null;
if (publicKeyLength > 0)
{
publicKeyTemp = new StringBuilder(checked ((int)publicKeyLength));
}
hr = SafeNativeMethods.DRMGetRevocationPoint(
_issuanceLicenseHandle,
ref idLength,
idTemp,
ref idTypeLength,
idTypeTemp,
ref urlLength,
urlTemp,
frequency,
ref nameLength,
nameTemp,
ref publicKeyLength,
publicKeyTemp);
Errors.ThrowOnErrorCode(hr);
RevocationPoint resultRevocationPoint = new RevocationPoint();
resultRevocationPoint.Id = (idTemp == null) ? null : idTemp.ToString();
resultRevocationPoint.IdType = (idTypeTemp == null) ? null : idTypeTemp.ToString();
resultRevocationPoint.Url = (urlTemp == null) ? null : new Uri(urlTemp.ToString());
resultRevocationPoint.Name = (nameTemp == null) ? null : nameTemp.ToString();
resultRevocationPoint.PublicKey = (publicKeyTemp == null) ? null : publicKeyTemp.ToString();
resultRevocationPoint.Frequency = frequency;
return(resultRevocationPoint);
}
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 Nullable <KeyValuePair <string, string> > GetApplicationSpecificData(int index)
{
Invariant.Assert(index >= 0);
uint nameLength = 0;
uint valueLength = 0;
// check whether element with such index is present,
// and if it is get the sizes of the name value strings
int hr = SafeNativeMethods.DRMGetApplicationSpecificData(
_issuanceLicenseHandle,
(uint)index, // safe cast as the caller responsible for keeping this postive
ref nameLength,
null,
ref valueLength,
null);
// there is a special code indicating end of the enumeration
if (hr == (int)RightsManagementFailureCode.NoMoreData)
{
return(null);
}
// check for errors
Errors.ThrowOnErrorCode(hr);
StringBuilder tempName = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (nameLength > 0)
{
tempName = new StringBuilder(checked ((int)nameLength));
}
StringBuilder tempValue = null;
// allocate memory as necessary, it seems that Unmanaged libraries really do not like
// getting a non null buffer of size 0
if (valueLength > 0)
{
tempValue = new StringBuilder(checked ((int)valueLength));
}
// The second call supposed to return the actual string values fcheck whether element with such index is present,
// and if it is get the sizes of the name value strings
hr = SafeNativeMethods.DRMGetApplicationSpecificData(
_issuanceLicenseHandle,
(uint)index, // safe cast as the caller responsible for keeping this postive
ref nameLength,
tempName,
ref valueLength,
tempValue);
// check for errors
Errors.ThrowOnErrorCode(hr);
// build strings from the StringBuilder instances
string name = (tempName == null) ? null : tempName.ToString();
string value = (tempValue == null) ? null : tempValue.ToString();
KeyValuePair <string, string> result = new KeyValuePair <string, string>(name, value);
return(result);
}
/// <summary>
/// constructor that buils an issuance license from scratch
/// </summary>
private void Initialize(
DateTime validFrom,
DateTime validUntil,
string referralInfoName,
Uri referralInfoUri,
ContentUser owner,
string issuanceLicense,
SafeRightsManagementHandle boundLicenseHandle,
Guid contentId,
ICollection <ContentGrant> grantCollection,
IDictionary <int, LocalizedNameDescriptionPair> localizedNameDescriptionDictionary,
IDictionary <string, string> applicationSpecificDataDictionary,
int rightValidityIntervalDays,
RevocationPoint revocationPoint)
{
// according to the unmanaged RM SDK spec only the following scenarios are supported:
// 1. This can be called to create an issuance license from a template.
// issuanceLicense An unsigned issuance license from
// a file or by passing an issuance license
// handle into DRMGetIssuanceLicenseTemplate
// boundLicenseHandle NULL
//
// 2. This allows you to reuse rights information (the list follows this table).
// issuance license A signed issuance license
// boundLicenseHandle Handle to license bound by OWNER or VIEWRIGHTSDATA right
//
// 3. This creates an issuance license from scratch. It includes no users, rights, metadata, or policies.
// issuance license NULL
// boundLicenseHandle NULL
Debug.Assert(!boundLicenseHandle.IsClosed); // it must be either present or not
// closed handle is an indication of some internal error
Invariant.Assert((boundLicenseHandle.IsInvalid) || (issuanceLicense != null));
SystemTime validFromSysTime = null;
SystemTime validUntilSysTime = null;
if ((validFrom != DateTime.MinValue) || (validUntil != DateTime.MaxValue))
{
// we need to use non null values if at least one of the time boundaries isn't default
// DRM SDK will not enforce date time unless both timeFrom and timeUnti are set
validFromSysTime = new SystemTime((DateTime)validFrom);
validUntilSysTime = new SystemTime((DateTime)validUntil);
}
string referralInfoUriStr = null;
if (referralInfoUri != null)
{
referralInfoUriStr = referralInfoUri.ToString();
}
// input parameter must be initialized to the invalid handle
// attempt to pass in a null throws an exception from the Safe
// Handle Marshalling code
SafeRightsManagementPubHandle ownerHandle;
if (owner != null)
{
ownerHandle = GetHandleFromUser(owner);
}
else
{
ownerHandle = SafeRightsManagementPubHandle.InvalidHandle;
}
int hr;
_issuanceLicenseHandle = null;
hr = SafeNativeMethods.DRMCreateIssuanceLicense(
validFromSysTime,
validUntilSysTime,
referralInfoName,
referralInfoUriStr,
ownerHandle,
issuanceLicense,
boundLicenseHandle,
out _issuanceLicenseHandle);
Errors.ThrowOnErrorCode(hr);
Invariant.Assert((_issuanceLicenseHandle != null) &&
(!_issuanceLicenseHandle.IsInvalid));
Debug.Assert(rightValidityIntervalDays >= 0); // our internal code makes the guarantee that is is not negative
if (rightValidityIntervalDays > 0)
{
// If it is 0 we shouldn't override the value as it might be coming from a template
SafeNativeMethods.DRMSetIntervalTime(_issuanceLicenseHandle, (uint)rightValidityIntervalDays);
}
if (grantCollection != null)
{
foreach (ContentGrant grant in grantCollection)
{
AddGrant(grant);
}
}
// Set localized name description info
if (localizedNameDescriptionDictionary != null)
{
foreach (KeyValuePair <int, LocalizedNameDescriptionPair> nameDescriptionEntry in localizedNameDescriptionDictionary)
{
AddNameDescription(nameDescriptionEntry.Key, nameDescriptionEntry.Value);
}
}
// Set application specific data
if (applicationSpecificDataDictionary != null)
{
foreach (KeyValuePair <string, string> applicationSpecificDataEntry in applicationSpecificDataDictionary)
{
AddApplicationSpecificData(applicationSpecificDataEntry.Key, applicationSpecificDataEntry.Value);
}
}
// set metafata as required
if (contentId != null)
{
hr = SafeNativeMethods.DRMSetMetaData(
_issuanceLicenseHandle,
contentId.ToString("B"),
DefaultContentType,
null,
null,
null,
null);
Errors.ThrowOnErrorCode(hr);
}
// set revocation point if required
if (revocationPoint != null)
{
SetRevocationPoint(revocationPoint);
}
}
static private ContentUser GetUserFromHandle(SafeRightsManagementPubHandle userHandle)
{
uint userNameLength = 0;
StringBuilder userName = null;
uint userIdLength = 0;
StringBuilder userId = null;
uint userIdTypeLength = 0;
StringBuilder userIdType = null;
int hr = SafeNativeMethods.DRMGetUserInfo(userHandle,
ref userNameLength,
null,
ref userIdLength,
null,
ref userIdTypeLength,
null);
Errors.ThrowOnErrorCode(hr);
if (userNameLength > 0)
{ // only allocate memory if we got a non-zero size back
userName = new StringBuilder(checked ((int)userNameLength));
}
if (userIdLength > 0)
{ // only allocate memory if we got a non-zero size back
userId = new StringBuilder(checked ((int)userIdLength));
}
if (userIdTypeLength > 0)
{ // only allocate memory if we got a non-zero size back
userIdType = new StringBuilder(checked ((int)userIdTypeLength));
}
hr = SafeNativeMethods.DRMGetUserInfo(userHandle,
ref userNameLength,
userName,
ref userIdLength,
userId,
ref userIdTypeLength,
userIdType);
Errors.ThrowOnErrorCode(hr);
// Convert String Builder values to string values
string userNameStr = null;
if (userName != null)
{
userNameStr = userName.ToString();
}
string userIdTypeStr = null;
if (userIdType != null)
{
userIdTypeStr = userIdType.ToString().ToUpperInvariant();
}
string userIdStr = null;
if (userId != null)
{
userIdStr = userId.ToString().ToUpperInvariant();
}
// based on the UserTypeId build appropriate instance of User class
if (String.CompareOrdinal(userIdTypeStr, AuthenticationType.Windows.ToString().ToUpperInvariant()) == 0)
{
return(new ContentUser(userNameStr, AuthenticationType.Windows));
}
else if (String.CompareOrdinal(userIdTypeStr, AuthenticationType.Passport.ToString().ToUpperInvariant()) == 0)
{
return(new ContentUser(userNameStr, AuthenticationType.Passport));
}
else if (String.CompareOrdinal(userIdTypeStr, AuthenticationType.Internal.ToString().ToUpperInvariant()) == 0)
{
// internal anyone user
if (ContentUser.CompareToAnyone(userIdStr))
{
return(ContentUser.AnyoneUser);
}
else if (ContentUser.CompareToOwner(userIdStr))
{
return(ContentUser.OwnerUser);
}
}
else if (String.CompareOrdinal(userIdTypeStr, UnspecifiedAuthenticationType.ToUpperInvariant()) == 0)
{
return(new ContentUser(userNameStr, AuthenticationType.WindowsPassport));
}
throw new RightsManagementException(RightsManagementFailureCode.InvalidLicense);
}
internal void UpdateUnsignedPublishLicense(UnsignedPublishLicense unsignedPublishLicense)
{
Invariant.Assert(unsignedPublishLicense != null);
DateTime timeFrom;
DateTime timeUntil;
DistributionPointInfo distributionPointInfo = DistributionPointInfo.ReferralInfo;
string distributionPointName;
string distributionPointUri;
ContentUser owner;
bool officialFlag;
GetIssuanceLicenseInfo(out timeFrom,
out timeUntil,
distributionPointInfo,
out distributionPointName,
out distributionPointUri,
out owner,
out officialFlag);
unsignedPublishLicense.ReferralInfoName = distributionPointName;
if (distributionPointUri != null)
{
unsignedPublishLicense.ReferralInfoUri = new Uri(distributionPointUri);
}
else
{
unsignedPublishLicense.ReferralInfoUri = null;
}
unsignedPublishLicense.Owner = owner;
// Let's get the validity Iterval information (days) and save it in the license
uint validityDays = 0;
int hr = SafeNativeMethods.DRMGetIntervalTime(_issuanceLicenseHandle, ref validityDays);
Errors.ThrowOnErrorCode(hr);
checked { unsignedPublishLicense.RightValidityIntervalDays = (int)validityDays; }
// let's get the rights information
int userIndex = 0;
while (true) // in this loop we are enumerating users mentioned in the license
{
SafeRightsManagementPubHandle userHandle = null;
// extract the user based on the index
ContentUser user = GetIssuanceLicenseUser(userIndex, out userHandle);
if ((user == null) || (userHandle == null))
{
break;
}
int rightIndex = 0;
while (true) // now we can enumerate rights granted to the given user
{
SafeRightsManagementPubHandle rightHandle = null;
DateTime validFrom;
DateTime validUntil;
// extract the right based on the index and the user
Nullable <ContentRight> right = GetIssuanceLicenseUserRight
(userHandle, rightIndex, out rightHandle, out validFrom, out validUntil);
// 0 right handle is an indication of the end of the list
if (rightHandle == null)
{
break;
}
// right == null is an indication of a right that we didn't recognize
// we should still continue the enumeration
if (right != null)
{
// Add the grant for the User Right pair here
unsignedPublishLicense.Grants.Add(
new ContentGrant(user, right.Value, validFrom, validUntil));
}
rightIndex++;
}
userIndex++;
}
// let's get the localized name description pairs
int nameIndex = 0;
while (true) // in this loop we are enumerating nameDescription pairs mentioned in the license
{
int localeId;
// extract the user based on the index
LocalizedNameDescriptionPair nameDescription = GetLocalizedNameDescriptionPair(nameIndex,
out localeId);
if (nameDescription == null)
{
break;
}
// Add the name description info to the license
unsignedPublishLicense.LocalizedNameDescriptionDictionary.Add(localeId, nameDescription);
nameIndex++;
}
// let's get the application specific data
int appDataIndex = 0;
while (true) // in this loop we are enumerating nameDescription pairs mentioned in the license
{
// extract the user based on the index
Nullable <KeyValuePair <string, string> > appSpecificDataEntry = GetApplicationSpecificData(appDataIndex);
if (appSpecificDataEntry == null)
{
break;
}
// Add the name description info to the license
unsignedPublishLicense.ApplicationSpecificDataDictionary.Add(appSpecificDataEntry.Value.Key, appSpecificDataEntry.Value.Value);
appDataIndex++;
}
// Get the revocation Point information, it is optional and can be null
unsignedPublishLicense.RevocationPoint = GetRevocationPoint();
}
