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            ++的博客

            你看不見我,你看不見我。。
            隨筆 - 22, 文章 - 0, 評論 - 2, 引用 - 0
            數據加載中……

            使用https協議訪問某個URL,或者調用WEB SVC時,出現連接斷開的情況

            由于服務端SSL證書不可信,導致調用https的Web serivce 出現"基礎連接已經斷開"(The underlying connection was closed)的錯誤,對于這個錯誤,可以使用代碼忽略

            .Net1.0的做法:
            ????public?class?AcceptServerNameMismatch?:?ICertificatePolicy
            ????
            {
            ????????
            //?HACK:?This?is?a?workaround.??The?.NET?Framwork?should?expose?these,?but?they?don't.
            ????????public?enum?CertificateProblem?:?long
            ????????
            {
            ????????????CertEXPIRED?
            =?2148204801,
            ????????????CertVALIDITYPERIODNESTING?
            =?2148204802,
            ????????????CertROLE?
            =?2148204803,
            ????????????CertPATHLENCONST?
            =?2148204804,
            ????????????CertCRITICAL?
            =?2148204805,
            ????????????CertPURPOSE?
            =?2148204806,
            ????????????CertISSUERCHAINING?
            =?2148204807,
            ????????????CertMALFORMED?
            =?2148204808,
            ????????????CertUNTRUSTEDROOT?
            =?2148204809,
            ????????????CertCHAINING?
            =?2148204810,
            ????????????CertREVOKED?
            =?2148204812,
            ????????????CertUNTRUSTEDTESTROOT?
            =?2148204813,
            ????????????CertREVOCATION_FAILURE?
            =?2148204814,
            ????????????CertCN_NO_MATCH?
            =?2148204815,
            ????????????CertWRONG_USAGE?
            =?2148204816,
            ????????????CertUNTRUSTEDCA?
            =?2148204818
            ????????}

            ????????
            ///?<summary>
            ????????
            ///?Implement?CheckValidationResult?to?ignore?problems?that?we?are?willing?to?accept.
            ????????
            ///?</summary>

            ????????public?bool?CheckValidationResult(ServicePoint?sp,?X509Certificate?cert,
            ????????WebRequest?request,?
            int?problem)
            ????????
            {
            ????????????
            /*
            ????????????int?CertificateNameDoesntMatch?=?unchecked(?(int)?CertificateProblem.CertCN_NO_MATCH);
            ????????????if?(?problem?==?CertificateNameDoesntMatch?)?//?only?accept?server?name?failed?match
            ????????????return?true;
            ????????????//?The?1.1?framework?calls?this?method?with?a?problem?of?0,?even?if?nothing?is?wrong
            ????????????return?(problem?==?0);
            ????????????
            */

            ????????????
            return?true;
            ????????}

            ????}

            System.Net.ServicePointManager.CertificatePolicy?=?new?AcceptServerNameMismatch();?


            .Net2.0+ 的做法,增加一個委托,在委托中判斷并忽略
            using?System.Net.Security;
            using?System.Security.Cryptography.X509Certificates;

            ServicePointManager.ServerCertificateValidationCallback?
            +=
            ????????????
            delegate(object?sender,?X509Certificate?cert,?X509Chain?chain,?SslPolicyErrors?sslError)
            ????????????
            {
            ????????????????
            bool?validationResult?=?true;
            ????????????????
            return?validationResult;
            ????????????}
            ;?

            posted on 2008-06-19 10:12 Jerry.Wang 閱讀(864) 評論(0)  編輯 收藏 引用 所屬分類: 開發

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