Microsoft Graph UsernamePasswordProvider 使用说明

IPublicClientApplication publicClientApplication = PublicClientApplicationBuilder
                .Create(clientId)
                .WithTenantId(Tenant) 
                .Build();
            //通过username password 获取token
            var token = publicClientApplication.AcquireTokenByUsernamePassword(scopes, "[username]", ReadPassword()).ExecuteAsync().Result;
            //将token 打包成assertion
            var assertion = GetUserAssertion(token.AccessToken);

            UsernamePasswordProvider authenticationProvider = new UsernamePasswordProvider(publicClientApplication, scopes);

            GraphServiceClient graphServiceClient = new GraphServiceClient(authenticationProvider);

  await graphServiceClient.Me.Events
                .Request()
                 //通过sdk 请求时需要携带 assertion
                .WithUserAssertion(assertion)
                .Header("Prefer", "outlook.timezone=\"Pacific Standard Time\"")
                .AddAsync(@event);

 //assertion 打包方法  
private UserAssertion GetUserAssertion(string token)
        { 
            return new UserAssertion(token, UserAssertionType);
        }

//password 生成方法    
private static SecureString ReadPassword()
        {
            SecureString password = new SecureString();
            var pwd = "[password]";
            foreach (var c in pwd)
            {
                password.AppendChar(c);
            }
            return password;
        }

//@event 结构

 var @event = new Event
            {
                Subject = "Let's go for lunch",
                Body = new ItemBody
                {
                    ContentType = BodyType.Html,
                    Content = "Does noon work for you?"
                },
                Start = new DateTimeTimeZone
                {
                    DateTime = "2020-10-15T12:00:00",
                    TimeZone = "Pacific Standard Time"
                },
                End = new DateTimeTimeZone
                {
                    DateTime = "2020-10-15T14:00:00",
                    TimeZone = "Pacific Standard Time"
                },
                Location = new Location
                {
                    DisplayName = "Harry's Bar"
                },
                Attendees = new List<Attendee>()
                {
                    new Attendee
                    {
                        EmailAddress = new EmailAddress
                        {
                            Address = "[email]",
                            Name = "[display name]"
                        },
                        Type = AttendeeType.Required
                    }
                },
                Attachments = new EventAttachmentsCollectionPage { },
                AllowNewTimeProposals = true,
                TransactionId = "7E163156-7762-4BEB-A1C6-729EA81755R7",

            };

适用 Microsoft Graph  SDK

结合Azure AD 调用 Microsoft Graph API ,适用 SDK的时候权限认证这块比较头疼。示例的demo分别是Azure AD 的 和 Graph SDK 的， 在这里将两者结合的一个用例展示出来

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