private ExternalUser ApplyPermission(MailboxSession mailboxSession, SmtpAddress smtpAddress, SharingContext context)
{
ExternalUser externalUser = null;
ExternalUser externalUser2;
using (ExternalUserCollection externalUsers = mailboxSession.GetExternalUsers())
{
externalUser2 = externalUsers.FindReachUserWithOriginalSmtpAddress(smtpAddress);
externalUser = externalUsers.FindFederatedUserWithOriginalSmtpAddress(smtpAddress);
if (externalUser2 == null)
{
externalUser2 = externalUsers.AddReachUser(smtpAddress);
externalUsers.Save();
}
}
using (FolderPermissionContext current = FolderPermissionContext.GetCurrent(mailboxSession, context))
{
FreeBusyAccess freeBusy = this.GetFreeBusy(context);
PermissionSecurityPrincipal principal = new PermissionSecurityPrincipal(externalUser2);
PermissionLevel permissionLevel = (context.SharingDetail == SharingContextDetailLevel.FullDetails) ? PermissionLevel.Reviewer : PermissionLevel.None;
current.AddOrChangePermission(principal, permissionLevel, new FreeBusyAccess?(freeBusy));
if (externalUser != null)
{
current.RemovePermission(new PermissionSecurityPrincipal(externalUser));
}
}
return(externalUser2);
}
protected override PerformInvitationResults InternalPerformInvitation(MailboxSession mailboxSession, SharingContext context, ValidRecipient[] recipients, IFrontEndLocator frontEndLocator)
{
ExternalAuthentication current = ExternalAuthentication.GetCurrent();
if (!current.Enabled)
{
ExTraceGlobals.SharingTracer.TraceError <string>((long)this.GetHashCode(), "{0}: The organization is not federated for external sharing.", context.InitiatorSmtpAddress);
return(new PerformInvitationResults(new InvalidSharingRecipientsException(ValidRecipient.ConvertToStringArray(recipients), new OrganizationNotFederatedException())));
}
SharedFolderDataEncryption sharedFolderDataEncryption = new SharedFolderDataEncryption(current);
string text = StoreId.StoreIdToEwsId(mailboxSession.MailboxOwner.MailboxInfo.MailboxGuid, context.FolderId);
PerformInvitationResults result;
using (ExternalUserCollection externalUsers = mailboxSession.GetExternalUsers())
{
PerformInvitationResults performInvitationResults = null;
EncryptionResults encryptionResults = null;
Exception ex = null;
try
{
encryptionResults = sharedFolderDataEncryption.Encrypt(mailboxSession.MailboxOwner, mailboxSession.GetADRecipientSession(true, ConsistencyMode.IgnoreInvalid), externalUsers, recipients, context.InitiatorSmtpAddress, context.FolderClass, text, frontEndLocator);
}
catch (UserWithoutFederatedProxyAddressException ex2)
{
ex = ex2;
}
catch (InvalidFederatedOrganizationIdException ex3)
{
ex = ex3;
}
catch (StoragePermanentException ex4)
{
ex = ex4;
}
if (ex != null)
{
ExTraceGlobals.SharingTracer.TraceError <string, Exception>((long)this.GetHashCode(), "{0}: Error occurred when trying to encrypt. Exception = {1}", context.InitiatorSmtpAddress, ex);
result = new PerformInvitationResults(new InvalidSharingRecipientsException(ValidRecipient.ConvertToStringArray(recipients), ex));
}
else
{
if (encryptionResults.InvalidRecipients != null && encryptionResults.InvalidRecipients.Length > 0)
{
InvalidSharingRecipientsException exception = new InvalidSharingRecipientsException(encryptionResults.InvalidRecipients);
if (encryptionResults.InvalidRecipients.Length == recipients.Length)
{
return(new PerformInvitationResults(exception));
}
performInvitationResults = new PerformInvitationResults(recipients, exception);
recipients = performInvitationResults.SucceededRecipients;
}
else
{
performInvitationResults = new PerformInvitationResults(recipients);
}
PermissionLevel permissionLevel = this.GetPermissionLevel(context);
FreeBusyAccess? freeBusy = this.GetFreeBusy(context);
using (FolderPermissionContext current2 = FolderPermissionContext.GetCurrent(mailboxSession, context))
{
foreach (ValidRecipient validRecipient in recipients)
{
PermissionSecurityPrincipal principal = this.CreatePermissionSecurityPrincipal(validRecipient.SmtpAddress, externalUsers);
current2.AddOrChangePermission(principal, permissionLevel, freeBusy);
ExternalUser externalUser = externalUsers.FindReachUserWithOriginalSmtpAddress(new SmtpAddress(validRecipient.SmtpAddress));
if (externalUser != null)
{
current2.RemovePermission(new PermissionSecurityPrincipal(externalUser));
}
}
}
context.FolderEwsId = text;
context.EncryptedSharedFolderDataCollection = encryptionResults.EncryptedSharedFolderDataCollection;
result = performInvitationResults;
}
}
return(result);
}