请求失败.远程服务器返回错误:(401)未经授权
本文关键字：授权 错误 失败 服务器 返回 请求 | 更新日期: 2023-09-27 18:24:56
Am使用EWS访问电子邮件帐户的收件箱。但我一直收到这个错误：
请求失败。远程服务器返回错误：（401）未经授权。
ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
service.Credentials = new WebCredentials("account@company.net","password","domain");
service.Url = new Uri("https://webpage.net/EWS/exchange.asmx");
//SearchFilter searchFilter = new SearchFilter.SearchFilterCollection(LogicalOperator.And, new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, true));
ItemView view = new ItemView(10);
FindItemsResults<Item> findResults = service.FindItems(WellKnownFolderName.Inbox,view);//i get the error in this line of code
foreach (Item item in findResults.Items)
{
Console.WriteLine(item.Subject);
}
@company.net正在破坏它。
如果您的密码已过期，您将收到此错误。
我必须使用用户的帐户直接登录，并设置新密码以使其重新工作。
我知道这是很久以前的事了，但我刚刚遇到了同样的问题。来了解一下，（至少对我们公司来说）这是因为我需要在office 365中创建一个应用程序密码。我们的IT增加了两步身份验证。
此处的说明：https://support.office.com/en-us/article/Create-an-app-password-for-Office-365-3e7c860f-bda4-4441-a618-b53953ee1183
我会让您看到我编写的一段正在运行的代码。我也有401 Auth的问题，那是在很久以前，我不记得我到底修改了什么来让它工作，但现在确实如此。当然，你不需要整个代码，但它会给你一个想法。
public class Outlook
{
/// <summary>
/// Returns the selected node Index which equals selected mail index.
/// </summary>
public static Int32 selectedMailindex
{
get
{
return (Int32)Form1.GlobalAccess.Invoke((Func<int>)delegate
{
return Form1.GlobalAccess.mailTree.SelectedNode.Index;
});
}
}
static PullSubscription subscriptionInbox;
public static ExchangeService runningService;
/// <summary>
/// Used to save EmailMessage retrieved from user inbox.
/// </summary>
public static List<EmailMessage> mailMessages = new List<EmailMessage>();
/// <summary>
/// We start the procedure to grab Emails.
/// </summary>
public static void StartupLoadMails()
{
ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
service.TraceEnabled = true;
service.Credentials = new WebCredentials("username", "password"); //Modify this
service.Url = new Uri("Exchange.asmx URL"); //Modify this
GetBinding(service);
runningService = service;
GetMailItems(runningService);
}
static ExchangeService GetBinding(ExchangeService service)
{
//Subscribe to Inbox newmail/modified events.
subscriptionInbox = service.SubscribeToPullNotifications(
new FolderId[] { WellKnownFolderName.Inbox }, //Inbox
5, //TimeOut
null,
EventType.NewMail, EventType.Modified); //NewMail or Modified
// Display the service URL.
return service;
}
/*static bool RedirectionUrlValidationCallback(String redirectionUrl)
{
return true;
}*/
public static void GetMailItems(ExchangeService service)
{
Form1.GlobalAccess.Invoke(new Action(() =>
{
Form1.GlobalAccess.mailTree.Nodes.Clear();
}));
mailMessages.Clear();
//SearchFilter to get unreaded messages only.
SearchFilter sf = new SearchFilter.SearchFilterCollection(LogicalOperator.And, new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, false));
//Create new Item view with the last 9 unreaded items.
ItemView view = new ItemView(9);
//Execute the query
FindItemsResults<Item> findResults = service.FindItems(WellKnownFolderName.Inbox, sf, view);
//We use Parallel for faster initial app loading, reducing ~5/10 secs.
Parallel.ForEach(findResults, item =>
{
try
{
EmailMessage message = EmailMessage.Bind(service, item.Id);
mailMessages.Add(message);
}
catch
{
MessageBox.Show("ERROR");
}
});
//Since we used parallel we need to sort the emails in our EmailMessage LIST by date, so they show cronologicaly over the treeview.
mailMessages.Sort(delegate(EmailMessage m1, EmailMessage m2) { return m2.DateTimeReceived.Date.CompareTo(m1.DateTimeReceived.Date); });
foreach (EmailMessage m in mailMessages)
{
Form1.GlobalAccess.Invoke(new Action(() =>
{
Form1.GlobalAccess.mailTree.Nodes.Add(m.Subject + " : " + m.Sender.Name);
}));
}
}
/// <summary>
/// Calls threaded MarkReaded function to mark an Email as readed localy and remotly.
/// </summary>
public static void MarkReaded()
{
Thread thread = new Thread(CallThreadedReadFunction);
thread.Priority = ThreadPriority.AboveNormal;
thread.Start();
}
static void CallThreadedReadFunction()
{
ReadFunction(Outlook.mailMessages[selectedMailindex],selectedMailindex,runningService);
}
/// <summary>
/// Mark as readed
/// </summary>
/// <param name="message">E-mail Message</param>
/// <param name="index">Index Message Possition</param>
/// <param name="service">EWS Service</param>
static void ReadFunction(EmailMessage message, Int32 index, ExchangeService service)
{
Form1.GlobalAccess.Invoke(new Action(() =>
{
Form1.GlobalAccess.mailTree.Nodes[index].SelectedImageIndex = 3;
Form1.GlobalAccess.mailTree.Nodes[index].ImageIndex = 3;
}));
EmailMessage msg = EmailMessage.Bind(service, message.Id);
msg.IsRead = true;
msg.Update(ConflictResolutionMode.AutoResolve);
}
/// <summary>
/// Calls threaded Delete function to delete an Email localy and remotly.
/// </summary>
public static void Delete()
{
var deleteWorker = new BackgroundWorker();
deleteWorker.DoWork += (sender, args) =>
{
DeleteFunction(Outlook.mailMessages[selectedMailindex], selectedMailindex, runningService);
};
deleteWorker.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null)
MessageBox.Show(args.Error.ToString());
Form1.GlobalAccess.Invoke(new Action(() =>
{
Form1.GlobalAccess.mailrefreshIcon.Visible = true;
}));
};
deleteWorker.RunWorkerAsync();
}
/// <summary>
/// Delete Emails choosen by the user.
/// </summary>
/// <param name="message">E-mail Message</param>
/// <param name="index">Index Message Possition</param>
/// <param name="service">EWS Service</param>
public static void DeleteFunction(EmailMessage message, Int32 index, ExchangeService service)
{
try
{
Form1.GlobalAccess.Invoke(new Action(() =>
{
Form1.GlobalAccess.mailTree.Nodes.RemoveAt(index);
mailMessages.RemoveAt(index);
Form1.GlobalAccess.mailTree.SelectedNode = null;
Form1.GlobalAccess.mailBrowser.DocumentText = null;
}));
EmailMessage msg = EmailMessage.Bind(service, message.Id);
msg.Delete(DeleteMode.MoveToDeletedItems);
msg.Update(ConflictResolutionMode.AlwaysOverwrite);
}
catch
{
//En ocaciones, si se borran muchos emails consecutivamente y se da refresh al inbox rapidamente, causa un crash porque el servidor encuentra el email que ordenamos borrar y mientras esta
//Iterando es borrado, causando un crash. Lo mejor es unicamente ignorar la excepción, el programa seguira trabajando bien.
}
}
/// <summary>
/// Listens for new mails in the user inbox folder, if found, notifies the user and update mail list.
/// </summary>
/// <param name="service">EWS Service</param>
public static void GetLatests(ExchangeService service)
{
GetEventsResults eventsInbox = subscriptionInbox.GetEvents();
EmailMessage message;
// Loop through all item-related events.
foreach (ItemEvent itemEvent in eventsInbox.ItemEvents)
{
switch (itemEvent.EventType)
{
case EventType.NewMail:
try
{
Item item = Item.Bind(service, itemEvent.ItemId);
if (item.ItemClass.ToLower() == "IPM.Note".ToLower())
{
message = EmailMessage.Bind(service, itemEvent.ItemId);
Form1.GlobalAccess.Invoke(new Action(() =>
{
if (Form1.GlobalAccess.mailTree.Nodes.Count == 8)
{
try
{
Form1.GlobalAccess.mailTree.Nodes.RemoveAt(8);
mailMessages.RemoveAt(8);
}
catch
{
}
}
Form1.GlobalAccess.mailTree.Nodes.Insert(0, message.Subject);
mailMessages.Insert(0, message);
}));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
break;
}
}
}
/// <summary>
/// Reply to a single user. This method gets called from ReplyMail winform.
/// </summary>
/// <param name="message">Email Message OBJECT</param>
/// <param name="index">Email position in the tree</param>
/// <param name="service">EWS Current Service</param>
/// <param name="bodyText">Message Text</param>
/// <param name="subject">Message Original Subject</param>
public static void Reply(EmailMessage message, Int32 index, ExchangeService service, String bodyText, String subject)
{
var replyWorker = new BackgroundWorker();
replyWorker.DoWork += (sender, args) =>
{
bool replyToAll = false;
ResponseMessage responseMessage = message.CreateReply(replyToAll);
responseMessage.BodyPrefix = bodyText;
responseMessage.Subject = subject;
responseMessage.SendAndSaveCopy();
};
replyWorker.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null)
MessageBox.Show(args.Error.ToString());
ReplyMail.GlobalAccess.Invoke(new Action(() =>
{
ReplyMail.GlobalAccess.mailSentPic.Visible = true;
ReplyMail.GlobalAccess.MailSentTxt.Visible = true;
ReplyMail.GlobalAccess.button2.Visible = true;
}));
};
replyWorker.RunWorkerAsync();
}
/// <summary>
/// Forward an E-mail, lets you introduce recipients.
/// </summary>
/// <param name="message">EMAILMESSAGE</param>
/// <param name="index">Mail position on the treeview</param>
/// <param name="service">EWS Service</param>
/// <param name="addresses">List with the mail adresses that the user is forwarding to</param>
public static void Forward(EmailMessage message, Int32 index, ExchangeService service, List<EmailAddress> addresses)
{
var forwardWorker = new BackgroundWorker();
forwardWorker.DoWork += (sender, args) =>
{
message.Forward(message.Body.Text, addresses);
};
forwardWorker.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null)
MessageBox.Show(args.Error.ToString());
ReplyMail.GlobalAccess.Invoke(new Action(() =>
{
ReplyMail.GlobalAccess.mailSentPic.Visible = true;
ReplyMail.GlobalAccess.MailSentTxt.Visible = true;
ReplyMail.GlobalAccess.button2.Visible = true;
}));
};
forwardWorker.RunWorkerAsync();
}
/// <summary>
/// Send a single E-Mail
/// </summary>
/// <param name="service">EWS Service</param>
/// <param name="subject">EMAILMESSAGE subject</param>
/// <param name="bodyText">EMAILMESSAGE body.text</param>
/// <param name="destination">EMAILADDRESS from receiver</param>
public static void Send(ExchangeService service, String subject, String bodyText, String destination)
{
var sendWorker = new BackgroundWorker();
sendWorker.DoWork += (sender, args) =>
{
EmailMessage message = new EmailMessage(service);
message.Subject = subject;
message.Body = bodyText;
message.ToRecipients.Add(destination);
message.SendAndSaveCopy();
};
sendWorker.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null)
MessageBox.Show(args.Error.ToString());
ReplyMail.GlobalAccess.Invoke(new Action(() =>
{
ReplyMail.GlobalAccess.mailSentPic.Visible = true;
ReplyMail.GlobalAccess.MailSentTxt.Visible = true;
ReplyMail.GlobalAccess.button2.Visible = true;
}));
};
sendWorker.RunWorkerAsync();
}
}
}