/// <summary>
/// receive emails from IMAP
/// </summary>
public static List <EmailMessageModel> ReceiveEmailsFromIMAP(ServiceSettingsModel model)
{
try
{
List <EmailMessageModel> models = new List <EmailMessageModel>();
var client = new ImapClient(model.ImapSettings.Server, model.ImapSettings.Port, model.ImapSettings.UseSSL);
if (client.Connect())
{
if (client.Login(model.Credentials.UserName, model.Credentials.Password))
{
// login successful
List <string> lst = new List <string>();
foreach (var folder in client.Folders)
{
lst.Add(folder.Name);
if (folder.Name.ToLower().Equals(model.ImapSettings.DefaultFolder.ToLower()))
{
folder.Messages.Download("ALL", MessageFetchMode.Full, Int32.MaxValue);
foreach (var message in folder.Messages)
{
if (!message.Seen)
{
models.Add(new EmailMessageModel()
{
Body = message.Body.Text,
DateTime = message.Date,
ReceiverEmail = model.Credentials.UserName,
SenderEmail = message.From.Address,
Subject = message.Subject
});
//message.Seen = true;
}
}
}
}
}
}
else
{
return(null);
}
return(models);
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// init default service settings
/// </summary>
/// <returns></returns>
public static ServiceSettingsModel InitDefaultServiceSettings(string settingsPath)
{
try
{
XmlSerializer formatter = new XmlSerializer(typeof(ServiceSettingsModel));
ServiceSettingsModel model = new ServiceSettingsModel();
model.Credentials = new EmailCredentials()
{
UserName = "******",
Password = "******"
};
model.AdminCredentials = new EmailCredentials()
{
UserName = "******",
Password = "******"
};
model.AgentName = "FlexiCapture.Cloud Email Agent";
model.AgentEmail = "*****@*****.**";
//receive email params
model.ImapSettings = new IMAPConnectionProtocolModel()
{
Server = "mail.netvix.by", Port = 143, DefaultFolder = "INBOX", UseSSL = false
};
model.POP3Settings = new POPConnectionProtocolModel()
{
Server = "mail.netvix.by", Port = 110, UseSSL = false
};
//send email params
model.SMTPSettings = new IMAPConnectionProtocolModel()
{
Server = "mail.netvix.by", Port = 25, UseSSL = false
};
using (FileStream fs = new FileStream(settingsPath, FileMode.OpenOrCreate))
{
formatter.Serialize(fs, model);
}
return(model);
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
LogHelper.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
return(null);
}
}
/// <summary>
/// make timer procedure
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
try
{
Timer.Stop();
if (ServiceSettings == null)
{
SystemSettings = new SystemSettingsModel();
ServiceSettings = ServiceSettingHelper.InitServiceSettings(SystemSettings.SettingsPath);
}
ProcessorHelper.MakeProcessing();
Timer.Start();
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
LogHelper.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
}
}
/// <summary>
/// start service method
/// </summary>
/// <param name="args"></param>
protected override void OnStart(string[] args)
{
try
{
Timer = new Timer();
Timer.Interval = 5000;
Timer.Elapsed += Timer_Elapsed;
SystemSettings = new SystemSettingsModel();
ServiceSettings = ServiceSettingHelper.InitServiceSettings(SystemSettings.SettingsPath);
LogHelper.AddLog("Settings Path " + SystemSettings.SettingsPath);
Timer.Start();
//ProcessorHelper.MakeProcessing();
LogHelper.AddLog("FCC Email Agent Service started");
}
catch (Exception)
{
}
}
/// <summary>
/// test connections
/// </summary>
public static bool TestConnectionParams()
{
try
{
ServiceSettingsModel model = Program.Agent.ServiceSettings;
switch (model.ReceiveType)
{
case ReceiveType.IMAP:
return(ReceiveEmailsFromIMAP(model) != null);
}
return(false);
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
LogHelper.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
return(false);
}
}
/// <summary>
/// init default service settings
/// </summary>
private static ServiceSettingsModel LoadServiceSettings(string settingsPath)
{
try
{
XmlSerializer formatter = new XmlSerializer(typeof(ServiceSettingsModel));
ServiceSettingsModel model = new ServiceSettingsModel();
using (FileStream fs = new FileStream(settingsPath, FileMode.Open))
{
model = formatter.Deserialize(fs) as ServiceSettingsModel;
}
return(model);
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
LogHelper.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
return(null);
}
}
/// <summary>
/// receive emails from IMAP
/// </summary>
public static void CreateTasksFromEmails(ServiceSettingsModel model, Assist assist, List <string> extensions, string uploadPath, string uploadFolder, int serviceId)
{
try
{
var client = new ImapClient(model.ImapSettings.Server, model.ImapSettings.Port, model.ImapSettings.UseSSL);
if (client.Connect())
{
if (client.Login(model.Credentials.UserName, model.Credentials.Password))
{
// login successful
List <string> lst = new List <string>();
foreach (var folder in client.Folders)
{
lst.Add(folder.Name);
if (folder.Name.ToLower().Equals(model.ImapSettings.DefaultFolder.ToLower()))
{
folder.Messages.Download("ALL", MessageFetchMode.Full, Int32.MaxValue);
//if (folder.Unseen>0)
foreach (var message in folder.Messages)
{
if (!message.Seen)
{
assist.AddLog("Check not seen letter from: " + message.From);
// check whether this email is active and user has email service
assist.UserProfile = assist.CheckServiceAvailabilityByEmail(message.From.Address);
if (assist.UserProfile != null && assist.UserProfile.Id > 0)
{
if (message.Body != null)
{
//change user profile
}
foreach (var attachment in message.Attachments)
{
var extension = Path.GetExtension(attachment.FileName);
if (CheckExtensions(extensions, extension))
// check whether file extension is in the extensions list
{
var newNameGuid = Guid.NewGuid();
var uploadName = newNameGuid + extension;
var localName = Path.Combine(uploadFolder, uploadName);
var filePath = Path.Combine(uploadPath, uploadName);
string originalFileName = attachment.FileName;
attachment.Download();
attachment.Save(uploadPath, uploadName);
assist.AddLog("Download file: " + uploadName);
//add task to db
var taskId = assist.AddTask(assist.UserProfile.UserId, serviceId);
assist.AddLog("Add task: " + taskId);
var md5 = assist.GetMD5HashFromFile(filePath);
//add document
var fileInfo = new FileInfo(filePath);
assist.EmailSettings =
assist.GetToEmailConversionSettings(assist.UserProfile.UserId);
if (assist.EmailSettings != null)
{
var documentId = assist.AddDocument(taskId, fileInfo,
originalFileName, newNameGuid, uploadName, localName, md5, 1, assist.EmailSettings.ResponseSettings.ShowJob);
assist.Documents = assist.GetDocumentsByTaskId(taskId);
string content =
assist.ConvertProfileToRequestModel(assist.Documents,
assist.UserProfile);
assist.UpdateTaskProfile(taskId, content);
}
}
}
}
else if (assist.UserProfile != null)
{
string text = "";
switch (assist.UserProfile.Id)
{
case 0:
text =
"DataCapture.Cloud received a conversion request form this e - mail address." +
" This address is not currently registered with a valid account.";
break;
case -1:
text = "DataCapture.Cloud received a conversion request form this e-mail address. " +
"Subscription to E-mail Attachment Conversion Service is disabled.";
break;
case -2:
text = "DataCapture.Cloud received a conversion request form this e-mail address. " +
"Subscription to E-mail Attachment Conversion Service is disabled.";
break;
case -3:
text = "DataCapture.Cloud received a conversion request form this e-mail address. " +
"Viewer doesn't have rights to use E-mail Attachment Conversion Service.";
break;
default:
break;
}
assist.SendEmailResponseFail(message.From.Address, text, "");
}
message.Seen = true;
}
}
}
}
}
}
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
assist.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
}
}
/// <summary>
/// make processing
/// </summary>
public static void MakeProcessing()
{
try
{
int serviceId = 4;// email attachment service id
//getting available file extentions
Assist assist = new Assist();
Assist serviceAssist = new Assist();
string serverPath = serviceAssist.GetSettingValueByName("MainPath");
string uploadFolder = serviceAssist.GetSettingValueByName("UploadFolder");
string uploadUrl = Path.Combine(serverPath, uploadFolder);
List <string> extentions = assist.GetToAvailableFileExtensions();
// getting IMAP setttings
string path = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "data/settings.xml");
if (File.Exists(path))
{
ServiceSettingsModel settingsModel;
XmlSerializer formatter = new XmlSerializer(typeof(ServiceSettingsModel));
ServiceSettingsModel model = new ServiceSettingsModel();
using (FileStream fs = new FileStream(path, FileMode.Open))
{
settingsModel = formatter.Deserialize(fs) as ServiceSettingsModel;
}
//check tasks
List <Tasks> notExecutedTasks = assist.GetToNotExecutedTasks(serviceId);
//upload files
foreach (var notExecutedTask in notExecutedTasks)
{
OcrRequestModel requestModel = JsonConvert.DeserializeObject <OcrRequestModel>(notExecutedTask.ProfileContent);
if (requestModel.InputFiles != null && requestModel.InputFiles.Count > 0)
{
string extension = Path.GetExtension(requestModel.InputFiles[0].Name);
if (extension != null && extension != ".zip" && extension != ".rar" && extension != ".7z")
{
TaskHelper.ExecuteTask(notExecutedTask);
}
}
}
//check statuses
List <Tasks> processedTasks = assist.GetToProcessedTasks(serviceId);
//download files
foreach (var processedTask in processedTasks)
{
TaskHelper.CheckStateTask(processedTask);
}
EmailHelper.CreateTasksFromEmails(settingsModel, assist, extentions, uploadUrl, uploadFolder, serviceId);
}
else
{
throw new FileNotFoundException("File not found in " + path);
}
//update states
}
catch (Exception exception)
{
string innerException = exception.InnerException == null ? "" : exception.InnerException.Message;
string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
LogHelper.AddLog("Error in method: " + methodName + "; Exception: " + exception.Message + " Innner Exception: " +
innerException);
}
}
