我正在尝试构建批处理作业来访问 Office 365 Mail API。正在检查文档 https://azure.microsoft.com/en-us/documentation/articles/active-directory-authentication-scenarios/#daemon-or-server-application-to-web-api(这个概念很清楚),我找不到为Java编写的代码示例。我发现了this https://github.com/AzureAD/azure-activedirectory-library-for-java/releases但它依赖于 java pom 文件,但如果可能的话,我希望直接使用 REST API 或 Graphi API。
有人可以指导我如何开始构建守护程序服务以在无需用户登录的情况下访问 Office 365 REST API 吗?
UPDATE
我有以下代码来使用 AADL 库获取令牌
String tenant="....";
String authority = "https://login.windows.net/"+tenant+"/oauth2/authorize";
ExecutorService service=null;
service= Executors.newFixedThreadPool(1);
try{
AuthenticationContext authenticationContext= new AuthenticationContext(authority,false,service);
String certFile="/mycert2.pfx";
InputStream pkcs12Cert= new SharedFileInputStream(certFile);
AsymmetricKeyCredential credential=AsymmetricKeyCredential.create("....",pkcs12Cert,"pass");
Future<AuthenticationResult> future=authenticationContext.acquireToken("https://outlook.office365.com",credential,null);
System.out.println("Token Received"+future.get().getAccessToken());
String token = future.get().getAccessToken();
HttpGet httpGet = new HttpGet("https://graph.microsoft.com/v1.0/users");
httpGet.setHeader("Authorization", "Bearer "+token);
GraphServices graphServices = new GraphServices();
ResponseEntity<String> responseEntity;
//responseEntity = graphServices.getEmails(token); //Throws the same Unauthorized exception
HttpClient httpClient= HttpClients.createDefault();
HttpResponse response=httpClient.execute(httpGet);
//response contains Unauthorized access
HttpEntity entity=response.getEntity();
}
catch (MalformedURLException e){
e.printStackTrace();
}
catch (Exception e){
e.printStackTrace();
}
}
这里来自 http.execute 方法的未经授权的错误
HttpResponseProxy{HTTP/1.1 401 未经授权 [内容类型:
应用程序/json;字符集=utf-8,服务器:Microsoft-IIS/8.5,
请求 ID:49ca360f-ab4b-42d5-a4b0-9676e4244c21,客户端请求 ID:
49ca360f-ab4b-42d5-a4b0-9676e4244c21,x-ms-ags-诊断:
{"ServerInfo":{"数据中心":"西
US","Slice":"SliceA","ScaleUnit":"003","主机":"AGSFE_IN_8","ADSiteName":"WST"}},
X-Powered-By:ASP.NET,日期:2016 年 9 月 6 日星期二 20:43:24 GMT,
内容长度:244] ResponseEntityProxy{[内容类型:
应用程序/json; charset=utf-8,内容长度:244,分块:false]}}
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(token和这个类似,只是为了安全改成类似的东西)