C# 來取得365 Outlook相關資訊，使用 Microsoft.Graph 讀取 帳號、帳號管理者、行事曆、行事曆事件等資訊

 在學習此操作之前先準備了解一下相關資訊及學習資源

線上API範本

https://developer.microsoft.com/en-us/graph/graph-explorer

線上操作文件

https://learn.microsoft.com/en-us/graph/overview?view=graph-rest-1.0

https://learn.microsoft.com/zh-cn/graph/overview

基本上我們必須先準備好下列4個數據資訊

string clientId = "應用程式 (用戶端) 識別碼";
string authority = "目錄 (租用戶) 識別碼";
string account = "Office 365 使用者的電子郵件信箱";
string password = "Office 365 使用者的密碼";

clientId = "應用程式 (用戶端) 識別碼"

authority = "目錄 (租用戶) 識別碼"

操作權限的開啟

權限開放

/// <summary>

/// 取得授權

/// </summary>

/// <returns></returns>

static async Task<AuthenticationResult> GetAuth()

{

string[] scopes = new string[] { "user.read", "Calendars.ReadBasic" };

IPublicClientApplication app;

app = PublicClientApplicationBuilder.Create(clientId)

.WithAuthority($"https://login.microsoftonline.com/{authority}")

.Build();

AuthenticationResult result = null;

try

{

// 使用使用者的帳號與密碼憑證，來獲取存取權杖

result = await app.AcquireTokenByUsernamePassword(scopes, account, password).ExecuteAsync();

Console.WriteLine($"Login Account : {result.Account.Username}");

Console.WriteLine($"Access Token : {result.AccessToken}");

Console.WriteLine($"Auth Scope :");

foreach (var item in result.Scopes)

{

Console.WriteLine($"  --  {item}");

}

}

catch (MsalException ex)

{

Console.WriteLine(ex.Message);

}

return result;

}

/// <summary>

/// 取得所有使用者資訊

/// </summary>

/// <returns></returns>

static async Task GetUsers()

{

// 取得權杖

var result = await GetAuth();

// 建構Graph物件

var graphClient = new GraphServiceClient(new DelegateAuthenticationProvider((requestMessage) =>

{

requestMessage

.Headers

.Authorization = new AuthenticationHeaderValue("bearer", result.AccessToken);

return Task.FromResult(0);

}));

// 取得使用者清單資訊

var Users = await graphClient.Users.Request().GetAsync();

foreach (var user in Users)

{

Console.WriteLine($"UserName:{user.DisplayName} - {user.Mail}");

try

{

// 取得該使用者所指定的管理者(組織上級)

var Mang = await graphClient.Users[user.Id].Manager.Request().GetAsync();

Console.WriteLine($" -- Manager:{((Microsoft.Graph.User)Mang).DisplayName} - {((Microsoft.Graph.User)Mang).Mail}");

}

catch

{

}

}

}