public bool Decode(OutboundConversionOptions options, bool acquireLicense)
{
this.CheckDisposed("Decode");
Util.ThrowOnNullArgument(options, "options");
this.decryptionStatus = RightsManagedMessageDecryptionStatus.Success;
if (this.decodedItem != null)
{
return(true);
}
if (this.InternalSession == null)
{
this.decryptionStatus = RightsManagedMessageDecryptionStatus.NotSupported;
throw new InvalidOperationException("Decoding of in-memory messages is not supported.");
}
RightsManagedMessageItem.CheckSession(this.InternalSession);
this.SetConversionOptions(options);
using (DisposeGuard disposeGuard = default(DisposeGuard))
{
try
{
MessageItem messageItem = ItemConversion.OpenRestrictedContent(this, this.orgId, acquireLicense, out this.licenseAcquired, out this.useLicenseValue, out this.restrictionInfo);
if (messageItem == null)
{
ExTraceGlobals.StorageTracer.TraceError(0L, "Failed to decode protected message - no user license is present.");
throw new RightsManagementPermanentException(RightsManagementFailureCode.UnknownFailure, ServerStrings.GenericFailureRMDecryption);
}
disposeGuard.Add <MessageItem>(messageItem);
this.UpdateEffectiveRights();
this.conversationOwner = new Participant(this.restrictionInfo.ConversationOwner, this.restrictionInfo.ConversationOwner, "SMTP");
this.CheckPermission(ContentRight.View);
messageItem.CoreItem.TopLevelItem = (base.CoreItem.TopLevelItem ?? base.CoreItem);
this.serverUseLicense = (messageItem.TryGetProperty(MessageItemSchema.DRMServerLicense) as string);
this.publishLicense = (messageItem.TryGetProperty(MessageItemSchema.DrmPublishLicense) as string);
this.rmsTemplate = RmsTemplate.CreateFromPublishLicense(this.publishLicense);
MsgToRpMsgConverter.CallRM(delegate
{
this.publishedByExternalRMS = !RmsClientManager.IsPublishedByOrganizationRMS(this.orgId, this.publishLicense);
}, ServerStrings.FailedToCheckPublishLicenseOwnership(this.orgId.ToString()));
this.decodedItem = messageItem;
disposeGuard.Success();
}
catch (RightsManagementPermanentException exception)
{
this.decryptionStatus = RightsManagedMessageDecryptionStatus.CreateFromException(exception);
throw;
}
catch (RightsManagementTransientException exception2)
{
this.decryptionStatus = RightsManagedMessageDecryptionStatus.CreateFromException(exception2);
throw;
}
}
return(true);
}
internal MsgToRpMsgConverter(MessageItem envelopeMessage, OrganizationId orgId, string publishLicense, string serverUseLicense, OutboundConversionOptions options)
{
using (DisposeGuard disposeGuard = this.Guard())
{
this.serverUseLicense = serverUseLicense;
this.publishLicense = publishLicense;
this.options = options;
this.charset = ConvertUtils.GetItemMimeCharset(envelopeMessage.CoreItem.PropertyBag);
this.messageId = envelopeMessage.InternetMessageId;
this.orgId = RmsClientManagerUtils.OrgIdFromPublishingLicenseOrDefault(publishLicense, orgId);
this.InitTenantLicenses();
MsgToRpMsgConverter.CallRM(delegate
{
DrmClientUtils.GetContentIdFromLicense(this.publishLicense, out this.contentId, out this.contentIdType);
}, ServerStrings.FailedToParseUseLicense);
disposeGuard.Success();
}
}
protected override void OnBeforeSave()
{
if (this.decodedItem == null && !base.AttachmentCollection.IsDirty && base.IsRestricted && (base.Recipients.IsDirty || base.IsPropertyDirty(ItemSchema.Sender)))
{
this.EnsureIsDecoded();
}
if (this.decodedItem != null)
{
string contentClass = base.TryGetProperty(InternalSchema.ContentClass) as string;
if (this.rmsTemplate == null)
{
this.UnprotectAllAttachments();
RightsManagedMessageItem.CopyProtectableData(this.decodedItem, this);
if (ObjectClass.IsRightsManagedContentClass(contentClass))
{
base.Delete(StoreObjectSchema.ContentClass);
}
}
else
{
this.charsetDetectionStringForProtectedData = new StringBuilder((int)Math.Min(this.ProtectedBody.Size, 2147483647L));
this.GetCharsetDetectionStringFromProtectedData(this.charsetDetectionStringForProtectedData);
if (!ObjectClass.IsRightsManagedContentClass(contentClass))
{
this[StoreObjectSchema.ContentClass] = "rpmsg.message";
}
if (this.isSending)
{
byte[][] valueOrDefault = base.GetValueOrDefault <byte[][]>(InternalSchema.DRMLicense);
if (valueOrDefault != null && valueOrDefault.Length == RightsManagedMessageItem.EmptyDrmLicense.Length && valueOrDefault[0].Length == RightsManagedMessageItem.EmptyDrmLicense[0].Length)
{
base.DeleteProperties(new PropertyDefinition[]
{
InternalSchema.DRMLicense
});
}
}
else if (base.IsDraft && base.GetValueOrDefault <byte[][]>(InternalSchema.DRMLicense) == null)
{
this[InternalSchema.DRMLicense] = RightsManagedMessageItem.EmptyDrmLicense;
}
base.AttachmentCollection.RemoveAll();
using (StreamAttachment streamAttachment = base.AttachmentCollection.Create(AttachmentType.Stream) as StreamAttachment)
{
streamAttachment.FileName = "message.rpmsg";
streamAttachment.ContentType = "application/x-microsoft-rpmsg-message";
using (Stream stream = new PooledMemoryStream(131072))
{
if (this.serverUseLicense == null || ((this.UsageRights & ContentRight.Owner) == ContentRight.Owner && this.rmsTemplate.RequiresRepublishingWhenRecipientsChange && this.CanRepublish && (base.Recipients.IsDirty || (base.IsPropertyDirty(ItemSchema.Sender) && this.conversationOwner == null))))
{
if (this.ConversationOwner == null)
{
throw new InvalidOperationException("Conversation owner must be set before protecting the message.");
}
this.UnprotectAllAttachments();
using (MsgToRpMsgConverter msgToRpMsgConverter = new MsgToRpMsgConverter(this, this.ConversationOwner, this.orgId, this.rmsTemplate, this.options))
{
msgToRpMsgConverter.Convert(this.decodedItem, stream);
using (Stream stream2 = base.OpenPropertyStream(MessageItemSchema.DRMServerLicenseCompressed, PropertyOpenMode.Create))
{
DrmEmailCompression.CompressUseLicense(msgToRpMsgConverter.ServerUseLicense, stream2);
}
if (this.InternalSession != null && this.InternalSession.MailboxOwner.Sid != null)
{
ExDateTime useLicenseExpiryTime = RmsClientManagerUtils.GetUseLicenseExpiryTime(msgToRpMsgConverter.ServerUseLicense, this.UsageRights);
this[MessageItemSchema.DRMRights] = (int)this.UsageRights;
this[MessageItemSchema.DRMExpiryTime] = useLicenseExpiryTime;
using (RightsSignatureBuilder rightsSignatureBuilder = new RightsSignatureBuilder(msgToRpMsgConverter.ServerUseLicense, msgToRpMsgConverter.PublishLicense, RmsClientManager.EnvironmentHandle, msgToRpMsgConverter.LicensePair))
{
this[MessageItemSchema.DRMPropsSignature] = rightsSignatureBuilder.Sign(this.UsageRights, useLicenseExpiryTime, this.InternalSession.MailboxOwner.Sid);
}
}
goto IL_362;
}
}
using (MsgToRpMsgConverter msgToRpMsgConverter2 = new MsgToRpMsgConverter(this, this.orgId, this.publishLicense, this.serverUseLicense, this.options))
{
msgToRpMsgConverter2.Convert(this.decodedItem, stream);
}
IL_362:
using (Stream contentStream = streamAttachment.GetContentStream(PropertyOpenMode.Create))
{
stream.Seek(0L, SeekOrigin.Begin);
Util.StreamHandler.CopyStreamData(stream, contentStream);
}
}
bool flag = false;
foreach (AttachmentHandle handle in this.decodedItem.AttachmentCollection)
{
if (!CoreAttachmentCollection.IsInlineAttachment(handle))
{
flag = true;
break;
}
}
this[InternalSchema.AllAttachmentsHidden] = !flag;
streamAttachment.Save();
}
}
this.decodedItem.Dispose();
this.decodedItem = null;
this.effectiveRights = ContentRight.Owner;
this.publishLicense = null;
this.restrictionInfo = null;
this.rmsTemplate = null;
this.serverUseLicense = null;
this.conversationOwner = null;
}
base.OnBeforeSave();
}