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在Google Drive Rest API Java中插入文件时的权限异常

[英]Permission exception while inserting file in google drive rest api java

我正在尝试按照本教程使用Drive Rest API将文件上传到Google Drive。

对于授权,功能为:

 public static Credential authorize() throws IOException {
    // Load client secrets.
    InputStream in =
        DriveQuickstart.class.getResourceAsStream("client_secret.json");
    GoogleClientSecrets clientSecrets =
        GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(DATA_STORE_FACTORY)
            .setAccessType("offline")
            .build();
    Credential credential = new AuthorizationCodeInstalledApp(
        flow, new LocalServerReceiver()).authorize("user");
    System.out.println(
            "Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
    return credential;
}

我获取驱动器中所有文件的功能非常正常。

private static void listFiles(Drive service) throws IOException
{
     // Print the names and IDs for up to 10 files.
    FileList result = service.files().list().setMaxResults(10).execute();
    List<File> files = result.getItems();
    if (files == null || files.size() == 0) {
        System.out.println("No files found.");
    } else {
        System.out.println("Files:");
        for (File file : files) {
            System.out.printf("%s (%s)\n", file.getTitle(), file.getId());
        }
    }
}

但是当我尝试在驱动器中创建和插入文件时,出现异常,功能和异常如下:

private static void insertFile(Drive service, String title, String description) {
      // File's metadata.
      File file = new File();
      file.setTitle(title);
      file.setDescription(description);
      file.setMimeType("application/vnd.google-apps.drive-sdk");

      try {
        file = service.files().insert(file).execute();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }


      // Print the new file ID.
      System.out.println("File ID: %s" + file.getId());
    }

例外是:

com.google.api.client.googleapis.json.GoogleJsonResponseException: 403 Forbidden

{
  "code" : 403,
  "errors" : [ {
  "domain" : "global",
  "message" : "Insufficient Permission",
  "reason" : "insufficientPermissions"
  } ],
 "message" : "Insufficient Permission"
}

文件ID:com.google.api.client.googleapis.json.GoogleJsonResponseException.from(GoogleJsonResponseException.java:145)处的com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java :113),位于com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:40),位于com.google.api.client.googleapis.services.AbstractGoogleClientRequest $ 1.interceptResponse(AbstractGoogleClientRequest.java: 321)com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1056)com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)com.google com.t.com上的.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)com.t处com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469) eamchat.google.sheet.integration.DriveQuickstart.insertFile(DriveQuickstart.java:137)位于com.teamchat.google.sheet.integration.DriveQuickstart.main(DriveQuickstart.java:110)

这只是一个简单的Java项目,并使用OAuth。

因此,我能够获取文件列表,但无法在Google驱动器中插入文件。 有人可以告诉我我在做什么错。

“ reason”:“ insufficientPermissions”

这意味着您在获得授权时设置的范围不允许您在资源上进行写入。

设置正确的范围https://developers.google.com/drive/web/scopeshttps://developers.google.com/resources/api-libraries/documentation/drive/v2/java/latest/com/google/ API /服务/驱动器/ DriveScopes.html

通常:

private static final List<String> SCOPES =
        Arrays.asList(DriveScopes.DRIVE_FILE);

问题在于范围

将此行更改为

private static final List<String> SCOPES = Collections.singletonList(DriveScopes.DRIVE_METADATA_READONLY);

private static final List<String> SCOPES = new ArrayList(DriveScopes.all());"

或根据需要更改范围的值。阅读

并记得删除令牌文件夹并再次运行该应用程序。

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