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- using System.Net;
- using InABox.Core;
- using Microsoft.Exchange.WebServices.Data;
- namespace InABox.Mail
- {
-
- class ExchangeTraceListener : ITraceListener
- {
- public void Trace(string traceType, string traceMessage)
- {
- Logger.Send(LogType.Information, traceType, traceMessage);
- }
-
- }
-
- public class ExchangeMailer : CoreMailer<ExchangeMailFolder, ExchangeMailSummary, ExchangeMailMessage>
- {
- private ExchangeService Service;
- private ExchangeVersion Version = ExchangeVersion.Exchange2007_SP1;
- public IEnumerable<string> Versions()
- {
- var results = new List<string>();
- var values = Enum.GetValues(typeof(ExchangeVersion)).Cast<ExchangeVersion>();
- foreach (var value in values)
- results.Add(value.ToString());
- return results;
- }
- protected override void Initialize()
- {
- ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
- Version = Enum.GetValues(typeof(ExchangeVersion)).Cast<ExchangeVersion>().Min();
- }
- public override void Dispose()
- {
- if (Service != null)
- Service = null;
- }
-
- private static bool RedirectionUrlValidationCallback(string redirectionUrl)
- {
- // The default for the validation callback is to reject the URL.
- bool result = false;
- Uri redirectionUri = new Uri(redirectionUrl);
- // Validate the contents of the redirection URL. In this simple validation
- // callback, the redirection URL is considered valid if it is using HTTPS
- // to encrypt the authentication credentials.
- if (redirectionUri.Scheme == "https")
- {
- result = true;
- }
- return result;
- }
- protected override bool DoConnect()
- {
- try
- {
- Service = new ExchangeService(Version);
- Service.Timeout = 10000;
- Service.TraceListener = new ExchangeTraceListener();
- Service.TraceFlags = TraceFlags.All;
- Service.TraceEnabled = true;
- if (String.IsNullOrWhiteSpace(MailboxDomain))
- {
- if (String.IsNullOrWhiteSpace(MailboxUserName))
- Service.UseDefaultCredentials = true;
- else
- {
- Service.Credentials = new WebCredentials(MailboxUserName, MailboxPassword);
- if (String.IsNullOrWhiteSpace(MailboxHost))
- Service.AutodiscoverUrl(MailboxUserName,RedirectionUrlValidationCallback);
- else
- Service.Url = new Uri($"https://{MailboxHost}:{(MailboxPort == 0 ? 443 : MailboxPort)}/EWS/Exchange.asmx");
- var folder = Folder.Bind(Service, WellKnownFolderName.Inbox).ConfigureAwait(true);
- }
- }
- else
- {
- Service.Credentials = new WebCredentials(MailboxUserName, MailboxPassword, MailboxDomain);
- Service.Url = new Uri(string.Format("https://{0}:{1}/EWS/Exchange.asmx", MailboxHost, MailboxPort == 0 ? 443 : MailboxPort));
- }
- return true;
- }
- catch (Exception err)
- {
- Service = null;
- return false;
- }
- }
- protected override bool GetIsConnected()
- {
- return Service != null;
- }
- protected override bool DoSendMessage(ExchangeMailMessage message)
- {
- var result = false;
- if (IsConnected)
- {
- var email = new EmailMessage(Service);
- if (message.To != null)
- email.ToRecipients.AddRange(message.To.Select(x => new EmailAddress(x)));
- if (message.CC != null)
- email.CcRecipients.AddRange(message.CC.Select(x => new EmailAddress(x)));
- if (message.BCC != null)
- email.BccRecipients.AddRange(message.BCC.Select(x => new EmailAddress(x)));
- email.Subject = message.Subject;
- email.Body = new MessageBody(BodyType.Text, message.Body);
- email.SendAndSaveCopy();
- result = true;
- }
- return result;
- }
- protected override ExchangeMailFolder DoFindFolder(ExchangeMailFolder parent, string name)
- {
- FindFoldersResults results = null;
- if (parent == null)
- results = Service.FindFolders(WellKnownFolderName.Inbox, new FolderView(int.MaxValue)).Result;
- else
- results = Service.FindFolders(parent.Folder.Id, new FolderView(int.MaxValue)).Result;
- var result = results.FirstOrDefault(x => x.DisplayName.Equals(name));
- return new ExchangeMailFolder(result);
- }
- protected override ExchangeMailFolder GetInbox()
- {
- var folder = Folder.Bind(Service, WellKnownFolderName.Inbox).Result;
- return new ExchangeMailFolder(folder);
- }
- protected override ExchangeMailFolder GetSentItems()
- {
- var folder = Folder.Bind(Service, WellKnownFolderName.SentItems).Result;
- return new ExchangeMailFolder(folder);
- }
- protected override ExchangeMailMessage DoGetMessage(ExchangeMailFolder folder, string id)
- {
- throw new NotImplementedException();
- }
- protected override IEnumerable<ExchangeMailMessage> DoGetMessages(ExchangeMailFolder folder)
- {
- var parent = folder != null ? folder.Folder : Service.FindFolders(WellKnownFolderName.Inbox, new FolderView(1)).Result.FirstOrDefault();
- if (parent != null)
- {
- FindItemsResults<Item> items = parent.FindItems(new ItemView(int.MaxValue)).Result;
- var results = new List<ExchangeMailMessage>();
- foreach (var item in items)
- try
- {
- var message = EmailMessage.Bind(Service, item.Id).Result;
- results.Add(new ExchangeMailMessage(message));
- }
- catch (Exception e)
- {
- }
- return results;
- }
- return null;
- }
- protected override IEnumerable<ExchangeMailSummary> DoListMessages(ExchangeMailFolder folder, int min = 0, int max = int.MaxValue)
- {
- throw new NotImplementedException();
- }
- protected override ExchangeMailMessage DoCreateMessage()
- {
- var email = new EmailMessage(Service);
- return new ExchangeMailMessage(email);
- }
- protected override bool DoMoveMessage(ExchangeMailMessage message, ExchangeMailFolder to)
- {
- if (message != null && to != null)
- {
- message.Message.Move(to.Folder.Id);
- return true;
- }
- return false;
- }
- protected override bool DoSaveDraft(ExchangeMailMessage message)
- {
- message.Message.Save(WellKnownFolderName.Drafts);
- return true;
- }
- }
- }
- // internal class ExchangeVersion
- // {
- // }
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