//Listing 15-5. Button Code for Sending E-mail
partial void SendEmail_Execute()
{
using (var tempWorkspace = new DataWorkspace())
{
EmailOperation newEmail =
tempWorkspace.ApplicationData.EmailOperations.AddNew();
newEmail.RecipientEmail = User.Email;
newEmail.SenderEmail = "*****@*****.**";
newEmail.Subject = SubjectProperty;
newEmail.Body = BodyProperty;
try
{
tempWorkspace.ApplicationData.SaveChanges();
//If you want, you can write some code here to create a record in an audit table
newEmail.Delete();
tempWorkspace.ApplicationData.SaveChanges();
this.ShowMessageBox("Your email has been sent");
}
catch (Exception ex)
{
this.ShowMessageBox(ex.Message);
}
}
}
private bool SendEmail(string newLink)
{
try
{
EmailEntity emailEntity = new EmailEntity();
EmailOperation emailOperation = new EmailOperation();
emailEntity.SmtpServer = ConfigurationSettings.AppSettings["SMTPServer"].ToString();
emailEntity.From = ConfigurationSettings.AppSettings["FromMailID"].ToString();
emailEntity.ToEmail = txtContAdminEmailID.Text.ToString();
emailEntity.Password = ConfigurationSettings.AppSettings["Password"].ToString();
emailEntity.Subject = "Your account details for - live.lawallies.com";
emailEntity.Body = "Dear user, <br/> Please use the link below to login to the websitel live.lawllies.com . <br/> " + newLink.ToString() + " <br/> User Id=" + txtUserName.Text.ToString().Trim() + " <br/> Password="******"\n", " ");
lblError.Text = "Error : " + strError + "<br/> Stack Trace : " + ex.StackTrace.ToString();
lblError.Visible = true;
return(false);
}
}
//Listing 15-7. Screen Code to Send E-mail Attachments
partial void UserDetail_InitializeDataWorkspace(List <IDataService> saveChangesTo)
{
var control = this.FindControl("FileUploadButton");
control.ControlAvailable +=
(object sender, ControlAvailableEventArgs e) =>
{
var fileButton = (Button)e.Control;
fileButton.Content = "Send Message With Attachment";
fileButton.Click +=
(object sender2, RoutedEventArgs e2) =>
{
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog().GetValueOrDefault(false) == true)
{
byte[] data;
using (FileStream stream = dlg.File.OpenRead())
{
data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
}
string filename = dlg.File.Name;
//send the email here
this.Details.Dispatcher.BeginInvoke(() =>
{
using (var dw = new DataWorkspace())
{
EmailOperation newEmail =
dw.ApplicationData.EmailOperations.AddNew();
newEmail.RecipientEmail = User.Email;
newEmail.SenderEmail = "*****@*****.**";
newEmail.Subject = SubjectProperty;
newEmail.Body = BodyProperty;
newEmail.Attachment = data;
newEmail.AttachmentFileName = filename;
try
{
dw.ApplicationData.SaveChanges();
//If you want, you can write some code here to
//create a record in an audit table
newEmail.Delete();
dw.ApplicationData.SaveChanges();
}
catch (Exception ex)
{
this.ShowMessageBox(ex.Message);
}
}
});
}
;
};
};
}
//Listing 15-4. Sending E-mail by Inserting Records into the EmailOperation Table
partial void EmailOperations_Inserting(EmailOperation entity)
{
LightSwitchApplication.UserCode.SmtpMailHelper.SendMail(
entity.SenderEmail,
entity.RecipientEmail,
entity.Subject,
entity.Body,
entity.Attachment,
entity.AttachmentFileName);
}
public ActionResult ForgetPass(FormCollection form)
{
using (HapinessSurveyEntities db = new HapinessSurveyEntities())
{
try
{
string ml = Request.Form["EmailID"].ToString();
var pas = (from m in db.UserTbls where m.user_mail == ml select m.user_Pass).FirstOrDefault();
EmailOperation.SendEmail(ml, "Forget Password", "Happiness Password is = " + pas);
ViewBag.messge = "mail sended";
}
catch (Exception ex)
{
return(View("ForgetPass"));
}
return(View("Login"));
}
}
ExchangeResult ExecuteOperation(EmailOperation operation, string address, Dictionary <string, bool> processed = null)
{
// create processed addresses dictionary if it does not exist
if (processed == null)
{
processed = new Dictionary <string, bool>();
}
// dont reprocess this address if we have already processed it
if (processed.ContainsKey(address))
{
return(null);
}
// try to find a mailbox for the address on one of the tenants
ExchangeService service = null;
EmailAddress mailbox = null;
foreach (WebCredentials cred in credentials)
{
service = new ExchangeService();
service.Credentials = cred;
service.Url = new Uri(ConfigurationManager.AppSettings["url"]);
try
{
NameResolutionCollection results = service.ResolveName("smtp:" + address);
if (results.Count > 0)
{
mailbox = results[0].Mailbox;
break;
}
}
catch (Exception e)
{
return(new ExchangeResult(address, StatusCode.Error, "Failed to resolve name: " + e.Message));
}
}
// if we did not find a mailbox for the address on any of the tenants then report recipient not found
if (mailbox == null)
{
return(new ExchangeResult(address, StatusCode.RecipientNotFound, "recipient not found"));
}
// add resolved address to processed list to prevent reprocessing
processed.Add(mailbox.Address, true);
// if this mailbox is a group/distribution list
if (mailbox.MailboxType == MailboxType.PublicGroup)
{
// attempt to expand the group
ExpandGroupResults group = null;
try { group = service.ExpandGroup(mailbox.Address); }
catch (Exception e)
{
// report failure to expand group if an exception occurs during expansion
return(new ExchangeResult(mailbox.Address, StatusCode.Error, "Failed to expand group: " + e.Message));
}
// for every member in the group
ExchangeResult result = new ExchangeResult();
foreach (EmailAddress member in group.Members)
{
// recursively execute operation and log results
result.Log(ExecuteOperation(operation, member.Address, processed));
}
// return the results
return(result);
}
// if this is just a regular mailbox
else if (mailbox.MailboxType == MailboxType.Mailbox)
{
// set impersonation to the mailbox address
service.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SmtpAddress, mailbox.Address);
// attempt to get some info to see if impersonation worked
try { DateTime?dt = service.GetPasswordExpirationDate(mailbox.Address); }
catch (Exception e)
{
// if we were unable to impersonate the user then report error
return(new ExchangeResult(mailbox.Address, StatusCode.Error, "impersonation failed: " + e.Message));
}
// delete email if operation is delete
if (operation == EmailOperation.Delete)
{
try
{
// find all instances of the email with message_id in the mailbox
FolderView folderView = new FolderView(int.MaxValue);
folderView.PropertySet = new PropertySet(BasePropertySet.IdOnly, FolderSchema.DisplayName);
folderView.Traversal = FolderTraversal.Shallow;
SearchFilter folderFilter = new SearchFilter.IsEqualTo(FolderSchema.DisplayName, "AllItems");
FindFoldersResults folders = service.FindFolders(WellKnownFolderName.Root, folderFilter, folderView);
SearchFilter filter = new SearchFilter.IsEqualTo(EmailMessageSchema.InternetMessageId, message_id);
ItemView view = new ItemView(int.MaxValue);
view.PropertySet = new PropertySet(BasePropertySet.IdOnly);
view.Traversal = ItemTraversal.Shallow;
List <ItemId> items = new List <ItemId>();
foreach (Item item in service.FindItems(folders.Folders[0].Id, filter, view))
{
items.Add(item.Id);
}
// if no instances of the email were found in the mailbox then report message_id not found
if (items.Count == 0)
{
return(new ExchangeResult(mailbox.Address, StatusCode.MessageNotFound, "message_id not found"));
}
// delete all found instances of the email with message_id from the mailbox
foreach (ServiceResponse response in service.DeleteItems(items, DeleteMode.SoftDelete, null, null))
{
// if we failed to delete an instance of the email then report an error
if (response.Result != ServiceResult.Success)
{
string message = "failed to delete email: " + response.ErrorCode + " " + response.ErrorMessage;
return(new ExchangeResult(mailbox.Address, StatusCode.Error, message));
}
}
} catch (Exception e)
{
//report any errors we encounter
return(new ExchangeResult(mailbox.Address, StatusCode.Error, "failed to delete email: " + e.Message));
}
}
// recover email if operation is recover
else if (operation == EmailOperation.Restore)
{
try
{
// find all instances of the email with message_id in the recoverable items folder
SearchFilter filter = new SearchFilter.IsEqualTo(EmailMessageSchema.InternetMessageId, message_id);
ItemView view = new ItemView(int.MaxValue);
view.PropertySet = new PropertySet(BasePropertySet.IdOnly);
view.Traversal = ItemTraversal.Shallow;
List <ItemId> items = new List <ItemId>();
foreach (Item item in service.FindItems(WellKnownFolderName.RecoverableItemsDeletions, filter, view))
{
items.Add(item.Id);
}
// if no instances of the email with message_id were found in the recoverable items folder of the mailbox
if (items.Count == 0)
{
// report message_id not found
return(new ExchangeResult(mailbox.Address, StatusCode.MessageNotFound, "message_id not found"));
}
// move every instance of the email with message_id in the recoverable items folder to the inbox
foreach (ServiceResponse response in service.MoveItems(items, new FolderId(WellKnownFolderName.Inbox)))
{
// if we failed to move an instance of the email to the inbox then report an error
if (response.Result != ServiceResult.Success)
{
string message = "failed to recover email: " + response.ErrorCode + " " + response.ErrorMessage;
return(new ExchangeResult(mailbox.Address, StatusCode.Error, message));
}
}
} catch (Exception e)
{
// report any errors we encounter
return(new ExchangeResult(mailbox.Address, StatusCode.Error, "failed to recover email: " + e.Message));
}
}
// report successful operation
return(new ExchangeResult(mailbox.Address, StatusCode.Success, "success"));
}
// report that the mailbox type is not one of the supported types
return(new ExchangeResult(mailbox.Address, StatusCode.Error, "Unsupported mailbox type: " + mailbox.MailboxType.ToString()));
}
