c# – 通过Exchange Web服务(EWS)erreor SSL查询全局地址列表(GA

发布时间：2020-12-15 21:56:37 所属栏目：百科来源：网络整理

导读：我的英语不好,但我会尽我所能. 我尝试通过EWS访问Exchange 2010,我想获取邮箱的联系人阅读收件箱中的电子邮件非常有效这是我的代码,并提前感谢您的回复 class Program{ static void Main(string[] args) { ServicePointManager.ServerCertificateValidatio

我的英语不好,但我会尽我所能.
我尝试通过EWS访问Exchange 2010,我想获取邮箱的联系人
阅读收件箱中的电子邮件非常有效

这是我的代码,并提前感谢您的回复

class Program
{   
    static void Main(string[] args)
    {
        ServicePointManager.ServerCertificateValidationCallback = delegate(Object obj,X509Certificate certificate,X509Chain chain,SslPolicyErrors errors)
        {
            // If the certificate is a valid,signed certificate,return true.
            if (errors == System.Net.Security.SslPolicyErrors.None)
            {
                return true;
            }
            // If there are errors in the certificate chain,look at each error to determine the cause.
            if ((errors & System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors) != 0)
            {
                if (chain != null && chain.ChainStatus != null)
                {
                    foreach (System.Security.Cryptography.X509Certificates.X509ChainStatus status in chain.ChainStatus)
                    {
                        if ((certificate.Subject == certificate.Issuer) &&
                           (status.Status == System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.UntrustedRoot))
                        {
                            // Self-signed certificates with an untrusted root are valid.
                            continue;
                        }
                        else
                        {
                            if (status.Status != System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.NoError)
                            {
                                // If there are any other errors in the certificate chain,the certificate is invalid,// so the method returns false.
                                return false;
                            }
                        }
                    }
                }
                // When processing reaches this line,the only errors in the certificate chain are
                // untrusted root errors for self-signed certificates. These certificates are valid
                // for default Exchange Server installations,so return true.
                return true;
            }
            else
            {
                // In all other cases,return false.
                return false;
            }
        };

        ExchangeService _service = new ExchangeService(ExchangeVersion.Exchange2010);
        _service.Credentials = new WebCredentials("user","password");
        _service.Url = new Uri("https://mail.domain.be/ews/exchange.asmx");

        //Mail dans mailbox
        FindItemsResults<Item> findResults =  _service.FindItems(
        WellKnownFolderName.Inbox,new ItemView(10));

        foreach (Item item in findResults.Items)
            Console.WriteLine(item.Subject);
        Console.ReadLine();

         //CONtact mailbox
        foreach (Contact contact in _service.FindItems(WellKnownFolderName.Contacts,new ItemView(int.MaxValue)))
        {
            Console.WriteLine(contact);
        }
}

解决方法

我的解决方案

static void Main(string[] args)
{ 
    ServicePointManager.ServerCertificateValidationCallback = delegate(Object obj,SslPolicyErrors errors)
    {
        if (errors == System.Net.Security.SslPolicyErrors.None)
        {
            return true;
        }

        if ((errors & System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors) != 0)
        {
            if (chain != null && chain.ChainStatus != null)
            {
                foreach (System.Security.Cryptography.X509Certificates.X509ChainStatus status in chain.ChainStatus)
                {
                    if ((certificate.Subject == certificate.Issuer) &&
                       (status.Status == System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.UntrustedRoot))
                    {
                        continue;
                    }
                    else
                    {
                        if (status.Status != System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.NoError)
                        {

                            return false;
                        }
                    }
                }
            }

            return true;
        }
        else
        {
            return false;
        }
    }; 

    ExchangeService _service = new ExchangeService(ExchangeVersion.Exchange2010);
    _service.Credentials = new WebCredentials("user","password");
    _service.Url = new Uri("https://mail.domain.com/ews/exchange.asmx");

    //Contact mailbox
    ContactsFolder contactsfolder = ContactsFolder.Bind(_service,WellKnownFolderName.Contacts);

    int numItems = contactsfolder.TotalCount < int.MaxValue ? contactsfolder.TotalCount : int.MaxValue;

    ItemView view = new ItemView(numItems);

    view.PropertySet = new PropertySet(BasePropertySet.IdOnly,ContactSchema.DisplayName);

    FindItemsResults<Item> contactItems = _service.FindItems(WellKnownFolderName.Contacts,view);

    foreach (Item item in contactItems)
    {
        if (item is Contact)
        {
            Contact contact = item as Contact;
            Console.WriteLine(contact.DisplayName);
        }
    }

    Console.ReadLine();
}

（编辑：李大同）

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