使用Java中的Office 365 REST API构建后台驻留程序或服务应用程序 [英] Building Daemon or Service Apps with Office 365 REST API in Java

问题描述

我正在尝试构建批处理作业以访问Office 365邮件API.检查文档(概念很明确)，我找不到用于Java的代码示例.我发现此，但它依赖于Java pom文件但我希望尽可能直接使用REST API或Graphi API.

I am trying to build a batch job to access Office 365 Mail API. Up on checking the documentation (the concept is very clear), I wasn't able to find a code sample written for Java. I've found this but it relies on the java pom file but I would love to use REST API or Graphi API directly if possible.

有人可以指出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?

Can someone point me on how to get started with building a Daemon service to access Office 365 REST API without users login ?

更新

我有以下代码来使用AADL库获取令牌

I've the following code to get the token using AADL library

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();
        }


    }

这里是http.execute方法的未授权错误

Here the Unauthorized error from the http.execute method

HttpResponseProxy {HTTP/1.1 401未经授权[内容类型: application/json; charset = utf-8，服务器:Microsoft-IIS/8.5， 请求编号:49ca360f-ab4b-42d5-a4b0-9676e4244c21，客户端请求编号: 49ca360f-ab4b-42d5-a4b0-9676e4244c21，x-ms-ags-诊断: {"ServerInfo":{"DataCenter":"West US"，"Slice":"SliceA"，"ScaleUnit":"003"，"Host":"AGSFE_IN_8"，"ADSiteName":"WST"}}， X-Powered-By:ASP.NET，日期:星期二，2016年9月6日20:43:24 GMT， 内容长度:244] ResponseEntityProxy {[内容类型: application/json; charset = utf-8，Content-Length:244，Chunked:false]}}

HttpResponseProxy{HTTP/1.1 401 Unauthorized [Content-Type: application/json; charset=utf-8, Server: Microsoft-IIS/8.5, request-id: 49ca360f-ab4b-42d5-a4b0-9676e4244c21, client-request-id: 49ca360f-ab4b-42d5-a4b0-9676e4244c21, x-ms-ags-diagnostic: {"ServerInfo":{"DataCenter":"West US","Slice":"SliceA","ScaleUnit":"003","Host":"AGSFE_IN_8","ADSiteName":"WST"}}, X-Powered-By: ASP.NET, Date: Tue, 06 Sep 2016 20:43:24 GMT, Content-Length: 244] ResponseEntityProxy{[Content-Type: application/json; charset=utf-8,Content-Length: 244,Chunked: false]}}

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(令牌与此类似，只是出于安全性考虑将其更改为相似的东西)

(the token is something similar to this, just changed it to something similar for security)

推荐答案

此处是Java演练(尽管对于使用身份验证代码流的Web应用而言):

Java walkthrough here (though for a web app using auth code flow): https://dev.outlook.com/restapi/tutorial/java

还有一个使用客户端凭证流的示例:

There's also this sample that uses client credential flow:

https://github.com/jasonjoh/java-calendar-demo

这篇关于使用Java中的Office 365 REST API构建后台驻留程序或服务应用程序的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！