コード例 #1
0
        public static Stream OpenRestrictedAttachment(StreamAttachment sourceAttachment, OrganizationId orgId, string userIdentity, SecurityIdentifier userSid, RecipientTypeDetails userType, out UseLicenseAndUsageRights validatedUseLicenseAndUsageRights, out bool acquiredNewLicense)
        {
            StreamAttachment.< > c__DisplayClass2 CS$ < > 8__locals1 = new StreamAttachment.< > c__DisplayClass2();
            CS$ < > 8__locals1.sourceAttachment = sourceAttachment;
            CS$ < > 8__locals1.orgId            = orgId;
            CS$ < > 8__locals1.userIdentity     = userIdentity;
            CS$ < > 8__locals1.userSid          = userSid;
            CS$ < > 8__locals1.userType         = userType;
            Util.ThrowOnNullArgument(CS$ < > 8__locals1.sourceAttachment, "sourceAttachment");
            Util.ThrowOnNullArgument(CS$ < > 8__locals1.orgId, "orgId");
            Util.ThrowOnNullArgument(CS$ < > 8__locals1.userIdentity, "userIdentity");
            Util.ThrowOnNullArgument(CS$ < > 8__locals1.userSid, "userSid");
            if (!Enum.IsDefined(typeof(RecipientTypeDetails), CS$ < > 8__locals1.userType))
            {
                throw new EnumArgumentException("userType");
            }
            CS$ < > 8__locals1.cachedServerUseLicense = null;
            if (!PropertyError.IsPropertyNotFound(CS$ < > 8__locals1.sourceAttachment.TryGetProperty(AttachmentSchema.DRMServerLicenseCompressed)))
            {
                using (Stream stream = CS$ < > 8__locals1.sourceAttachment.OpenPropertyStream(AttachmentSchema.DRMServerLicenseCompressed, PropertyOpenMode.ReadOnly))
                {
                    CS$ < > 8__locals1.cachedServerUseLicense = DrmEmailCompression.DecompressUseLicense(stream);
                }
            }
            StreamAttachment.< > c__DisplayClass2 CS$ < > 8__locals2 = CS$ < > 8__locals1;
            int?valueAsNullable = CS$ < > 8__locals1.sourceAttachment.PropertyBag.GetValueAsNullable <int>(AttachmentSchema.DRMRights);

            CS$ < > 8__locals2.cachedUsageRights       = ((valueAsNullable != null) ? new ContentRight?((ContentRight)valueAsNullable.GetValueOrDefault()) : null);
            CS$ < > 8__locals1.cachedExpiryTime        = CS$ < > 8__locals1.sourceAttachment.PropertyBag.GetValueAsNullable <ExDateTime>(AttachmentSchema.DRMExpiryTime);
            CS$ < > 8__locals1.cachedDrmPropsSignature = CS$ < > 8__locals1.sourceAttachment.PropertyBag.GetValueOrDefault <byte[]>(AttachmentSchema.DRMPropsSignature);
            CS$ < > 8__locals1.item = CS$ < > 8__locals1.sourceAttachment.CoreAttachment.ParentCollection.ContainerItem;
            if (string.IsNullOrEmpty(CS$ < > 8__locals1.cachedServerUseLicense) || CS$ < > 8__locals1.cachedUsageRights == null || CS$ < > 8__locals1.cachedExpiryTime == null || CS$ < > 8__locals1.cachedDrmPropsSignature == null)
            {
                string valueOrDefault = CS$ < > 8__locals1.item.PropertyBag.GetValueOrDefault <string>(StoreObjectSchema.ItemClass, string.Empty);
                if (ObjectClass.IsMessage(valueOrDefault, false))
                {
                    CS$ < > 8__locals1.cachedServerUseLicense = CS$ < > 8__locals1.item.PropertyBag.GetValueOrDefault <string>(MessageItemSchema.DRMServerLicense, string.Empty);
                    StreamAttachment.< > c__DisplayClass2 CS$ < > 8__locals3 = CS$ < > 8__locals1;
                    int?valueAsNullable2 = CS$ < > 8__locals1.item.PropertyBag.GetValueAsNullable <int>(MessageItemSchema.DRMRights);
                    CS$ < > 8__locals3.cachedUsageRights       = ((valueAsNullable2 != null) ? new ContentRight?((ContentRight)valueAsNullable2.GetValueOrDefault()) : null);
                    CS$ < > 8__locals1.cachedExpiryTime        = CS$ < > 8__locals1.item.PropertyBag.GetValueAsNullable <ExDateTime>(MessageItemSchema.DRMExpiryTime);
                    CS$ < > 8__locals1.cachedDrmPropsSignature = CS$ < > 8__locals1.item.PropertyBag.GetValueOrDefault <byte[]>(MessageItemSchema.DRMPropsSignature);
                }
            }
            CS$ < > 8__locals1.unprotectionSuccess      = false;
            CS$ < > 8__locals1.useLicenseAndUsageRights = null;
            CS$ < > 8__locals1.validCachedLicense       = false;
            Stream unprotectedAttachment;

            using (DisposeGuard disposeGuard = default(DisposeGuard))
            {
                StreamAttachment.< > c__DisplayClass4 CS$ < > 8__locals4 = new StreamAttachment.< > c__DisplayClass4();
                CS$ < > 8__locals4.unprotectedAttachment = disposeGuard.Add <Stream>(Streams.CreateTemporaryStorageStream());
                CS$ < > 8__locals4.decryptorHandle       = null;
                using (Stream inputStream = CS$ < > 8__locals1.sourceAttachment.GetContentStream(PropertyOpenMode.ReadOnly))
                {
                    try
                    {
                        MsgToRpMsgConverter.CallRM(delegate
                        {
                            CS$ < > 8__locals1.unprotectionSuccess = ProtectorsManager.Instance.Unprotect(delegate(string protectedDocumentIssuanceLicense)
                            {
                                string valueOrDefault2 = CS$ < > 8__locals1.item.PropertyBag.GetValueOrDefault <string>(ItemSchema.InternetMessageId, string.Empty);
                                bool flag = string.IsNullOrEmpty(valueOrDefault2);
                                RmsClientManagerContext context = new RmsClientManagerContext(CS$ < > 8__locals1.orgId, flag ? RmsClientManagerContext.ContextId.AttachmentFileName : RmsClientManagerContext.ContextId.MessageId, flag ? CS$ < > 8__locals1.sourceAttachment.FileName : valueOrDefault2, null);
                                if (!string.IsNullOrEmpty(CS$ < > 8__locals1.cachedServerUseLicense) && CS$ < > 8__locals1.cachedUsageRights != null && CS$ < > 8__locals1.cachedExpiryTime != null && CS$ < > 8__locals1.cachedDrmPropsSignature != null)
                                {
                                    try
                                    {
                                        CS$ < > 8__locals4.decryptorHandle    = RmsClientManager.VerifyDRMPropsSignatureAndGetDecryptor(context, CS$ < > 8__locals1.userSid, CS$ < > 8__locals1.userType, CS$ < > 8__locals1.userIdentity, CS$ < > 8__locals1.cachedUsageRights.Value, CS$ < > 8__locals1.cachedExpiryTime.Value, CS$ < > 8__locals1.cachedDrmPropsSignature, CS$ < > 8__locals1.cachedServerUseLicense, protectedDocumentIssuanceLicense, UsageRightsSignatureVerificationOptions.LookupSidHistory, StreamAttachment.EmptySidList);
                                        CS$ < > 8__locals1.validCachedLicense = true;
                                        Uri licensingUri = null;
                                        XmlNode[] array  = null;
                                        bool flag2;
                                        RmsClientManager.GetLicensingUri(CS$ < > 8__locals1.orgId, protectedDocumentIssuanceLicense, out licensingUri, out array, out flag2);
                                        CS$ < > 8__locals1.useLicenseAndUsageRights = new UseLicenseAndUsageRights(CS$ < > 8__locals1.cachedServerUseLicense, CS$ < > 8__locals1.cachedUsageRights.Value, CS$ < > 8__locals1.cachedExpiryTime.Value, CS$ < > 8__locals1.cachedDrmPropsSignature, CS$ < > 8__locals1.orgId, protectedDocumentIssuanceLicense, licensingUri);
                                    }
                                    catch (BadDRMPropsSignatureException)
                                    {
                                    }
                                }
                                if (CS$ < > 8__locals1.useLicenseAndUsageRights == null)
                                {
                                    CS$ < > 8__locals1.useLicenseAndUsageRights = RmsClientManager.AcquireUseLicenseAndUsageRights(context, protectedDocumentIssuanceLicense, CS$ < > 8__locals1.userIdentity, CS$ < > 8__locals1.userSid, CS$ < > 8__locals1.userType);
                                    if (CS$ < > 8__locals4.decryptorHandle != null)
                                    {
                                        CS$ < > 8__locals4.decryptorHandle.Close();
                                        CS$ < > 8__locals4.decryptorHandle = null;
                                    }
                                    RmsClientManager.BindUseLicenseForDecryption(context, CS$ < > 8__locals1.useLicenseAndUsageRights.LicensingUri, CS$ < > 8__locals1.useLicenseAndUsageRights.UseLicense, CS$ < > 8__locals1.useLicenseAndUsageRights.PublishingLicense, out CS$ < > 8__locals4.decryptorHandle);
                                }
                                return(CS$ < > 8__locals4.decryptorHandle);
                            }, CS$ < > 8__locals1.sourceAttachment.FileName, inputStream, CS$ < > 8__locals4.unprotectedAttachment);
                        }, ServerStrings.FailedToUnprotectAttachment(CS$ < > 8__locals1.sourceAttachment.FileName));
                    }
コード例 #2
0
        // Token: 0x0600012F RID: 303 RVA: 0x00007734 File Offset: 0x00005934
        private static void LicenseMessage(IExchangePrincipal userPrincipal, MessageItem item)
        {
            string publishLicense;

            using (Attachment attachment = item.AttachmentCollection.Open(item.AttachmentCollection.GetHandles()[0]))
            {
                using (Stream contentStream = ((StreamAttachmentBase)attachment).GetContentStream(PropertyOpenMode.ReadOnly))
                {
                    using (DrmEmailMessageContainer drmEmailMessageContainer = new DrmEmailMessageContainer())
                    {
                        try
                        {
                            drmEmailMessageContainer.Load(contentStream, (object param0) => Streams.CreateTemporaryStorageStream());
                            publishLicense = drmEmailMessageContainer.PublishLicense;
                        }
                        catch (InvalidRpmsgFormatException arg)
                        {
                            LicensingProcessor.Tracer.TraceError <object, InvalidRpmsgFormatException>(0L, "{0}: LicensingProcessor:Failed to load RPMSG. {1}", TraceContext.Get(), arg);
                            return;
                        }
                    }
                }
            }
            UseLicenseAndUsageRights useLicenseAndUsageRights;

            try
            {
                useLicenseAndUsageRights = RmsClientManager.AcquireUseLicenseAndUsageRights(new RmsClientManagerContext(userPrincipal.MailboxInfo.OrganizationId, RmsClientManagerContext.ContextId.MessageId, item.InternetMessageId, publishLicense), publishLicense, userPrincipal.MailboxInfo.PrimarySmtpAddress.ToString(), userPrincipal.Sid, userPrincipal.RecipientTypeDetails);
            }
            catch (RightsManagementException ex)
            {
                LicensingProcessor.Tracer.TraceError <object, RightsManagementException>(0L, "{0}: LicensingProcessor:Failed to license message. {1}", TraceContext.Get(), ex);
                if (!ex.IsPermanent)
                {
                    throw new StorageTransientException(Strings.FailedToAcquireUseLicense, ex);
                }
                return;
            }
            catch (ExchangeConfigurationException ex2)
            {
                LicensingProcessor.Tracer.TraceError <object, ExchangeConfigurationException>(0L, "{0}: LicensingProcessor:Failed to license message. {1}", TraceContext.Get(), ex2);
                throw new StorageTransientException(Strings.FailedToReadIRMConfig, ex2);
            }
            LicensingProcessor.Tracer.TraceDebug(0L, "{0}: LicensingProcesssor: Saving licenses", new object[]
            {
                TraceContext.Get()
            });
            item.OpenAsReadWrite();
            item[MessageItemSchema.DRMRights]     = useLicenseAndUsageRights.UsageRights;
            item[MessageItemSchema.DRMExpiryTime] = useLicenseAndUsageRights.ExpiryTime;
            if (!DrmClientUtils.IsCachingOfLicenseDisabled(useLicenseAndUsageRights.UseLicense))
            {
                using (Stream stream = item.OpenPropertyStream(MessageItemSchema.DRMServerLicenseCompressed, PropertyOpenMode.Create))
                {
                    DrmEmailCompression.CompressUseLicense(useLicenseAndUsageRights.UseLicense, stream);
                }
            }
            item[MessageItemSchema.DRMPropsSignature] = useLicenseAndUsageRights.DRMPropsSignature;
            item.Save(SaveMode.ResolveConflicts);
            LicensingProcessor.Tracer.TraceDebug(0L, "{0}: LicensingProcesssor: message was saved successfully", new object[]
            {
                TraceContext.Get()
            });
        }