public FormRmsFileWatcher()
{
InitializeComponent();
buttonCollapseLog.Tag = false;
policyList = null;
currentProtectionPolicy = null;
fileWatchEngine = new FileWatchEngine();
fileWatchEngine.MillisecondsBeforeProcessing = waitPeriodToProcess;
fileWatchEngine.EngineEvent += fileWatchEngine_EngineEvent;
SafeNativeMethods.IpcInitialize();
populatePolicyList();
setFormStateFromConfiguration();
}
public static byte[] Encrypt(Uri uri, string templateString, string data)
{
MSIPC.ConnectionInfo connectionInfo = new MSIPC.ConnectionInfo(uri, uri);
object cred = GetOAuthContext(null);
// object cred = GetCertData();
Collection <MSIPC.TemplateInfo> templates = MSIPC.SafeNativeMethods.IpcGetTemplateList(
connectionInfo,
forceDownload: false,
suppressUI: true,
offline: false,
hasUserConsent: true,
parentWindow: null,
cultureInfo: null,
credentialType: cred);
MSIPC.TemplateInfo templateToUse = templates[0];
foreach (MSIPC.TemplateInfo info in templates)
{
if (info.TemplateId == templateString)
{
templateToUse = info;
break;
}
}
templateString = templateToUse.TemplateId;
if (!string.IsNullOrEmpty(templateString))
{
MSIPC.SafeInformationProtectionKeyHandle keyHandle = null;
byte[] license = MSIPC.SafeNativeMethods.IpcSerializeLicense(
templateString,
MSIPC.SerializeLicenseFlags.KeyNoPersist,
suppressUI: true,
offline: false,
hasUserConsent: true,
parentWindow: null,
keyHandle: out keyHandle,
credentialType: cred);
using (MemoryStream outputStream = new MemoryStream())
{
int blockSize = MSIPC.SafeNativeMethods.IpcGetKeyBlockSize(keyHandle);
byte[] bytes = Encoding.UTF8.GetBytes(data);
MSIPC.SafeNativeMethods.IpcEncrypt(keyHandle, 0, true, ref bytes);
byte[] lengthBytes = BitConverter.GetBytes(license.Length);
int length = 0;
while (length + lengthBytes.Length < 4)
{
outputStream.WriteByte(0);
length++;
}
outputStream.Write(lengthBytes, 0, lengthBytes.Length);
outputStream.Write(license, 0, license.Length);
outputStream.Write(bytes, 0, bytes.Length);
return(outputStream.ToArray());
}
}
return(null);
}
// IPC_LI_DESCRIPTOR - http://msdn.microsoft.com/en-us/library/windows/desktop/hh535287(v=vs.85).aspx
public static void IpcSetLicenseDescriptor(SafeInformationProtectionLicenseHandle licenseHandle, TemplateInfo templateInfo)
{
int hr = 0;
IntPtr LicenseInfoPtr = IntPtr.Zero;
if (null == templateInfo)
{
hr = UnsafeNativeMethods.IpcSetLicenseProperty(
licenseHandle,
true,
(uint)LicensePropertyType.Descriptor,
LicenseInfoPtr);
ThrowOnErrorCode(hr);
}
else
{
LicenseInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IpcTemplateInfo)));
try
{
IpcTemplateInfo ipcTemplateInfo = TemplateInfoToIpcTemplateInfo(templateInfo);
Marshal.StructureToPtr(ipcTemplateInfo, LicenseInfoPtr, false);
hr = UnsafeNativeMethods.IpcSetLicenseProperty(
licenseHandle,
false,
(uint)LicensePropertyType.Descriptor,
LicenseInfoPtr);
ThrowOnErrorCode(hr);
}
finally
{
Marshal.FreeHGlobal(LicenseInfoPtr);
}
}
}
/// <summary>
/// Handle protection policy selection change to track policy to apply to files.
/// </summary>
private void comboBoxTemplates_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxTemplates.SelectedIndex != -1)
{
currentProtectionPolicy = findTemplate((string)comboBoxTemplates.SelectedItem);
}
}
private static IpcTemplateInfo TemplateInfoToIpcTemplateInfo(TemplateInfo templateInfo)
{
IpcTemplateInfo ipcTemplateInfo = new IpcTemplateInfo();
ipcTemplateInfo.templateID = templateInfo.TemplateId;
ipcTemplateInfo.lcid = (uint)templateInfo.CultureInfo.LCID;
ipcTemplateInfo.templateName = templateInfo.Name;
ipcTemplateInfo.templateDescription = templateInfo.Description;
ipcTemplateInfo.issuerDisplayName = templateInfo.IssuerDisplayName;
ipcTemplateInfo.fromTemplate = templateInfo.FromTemplate;
return ipcTemplateInfo;
}