tencent cloud

// Import `java sts sdk` using the integration method with Maven as described on GitHub 
import java.util.*;
import org.json.JSONObject; 
import com.tencent.cloud.CosStsClient;

public class Demo {
    public static void main(String[] args) {
        TreeMap<String, Object> config = new TreeMap<String, Object>();

        try {
            String secretId = System.getenv("secretId");// User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
            String secretKey = System.getenv("secretKey");// User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
            // Replace it with your own SecretId 
            config.put("SecretId", secretId);
            // Replace it with your own SecretKey
            config.put("SecretKey", secretKey);

            // Validity period of the temporary key, in seconds. Default value: 1800; maximum value: 7200
            config.put("durationSeconds", 1800);

            // Replace it with your own bucket
            config.put("bucket", "examplebucket-1250000000");
            // Replace it with the region where your bucket resides
            config.put("region", "ap-guangzhou");

            // Change it to the allowed path prefix (such as "a.jpg", "a/*", or "*"). You can determine the upload path based on your login status.
            // If "*" is entered, you allow the user to access all resources. Unless otherwise necessary, grant the user only the limited permissions that are needed following the principle of least privilege.
            config.put("allowPrefix", "exampleObject.txt");

            // List of key permissions. The following permissions are required for simple upload, upload using a form, and multipart upload. For other permissions, please visit https://www.tencentcloud.com/document/product/436/31923?from_cn_redirect=1
            String[] allowActions = new String[] {
                    // Download data
                    "name/cos:GetObject"
            };
            config.put("allowActions", allowActions);

            JSONObject credential = CosStsClient.getCredential(config);
            // If it succeeds, the temporary key information will be returned and printed out as shown below:
            System.out.println(credential);
        } catch (Exception e){
            // If it fails, an exception will be thrown
            throw new IllegalArgumentException("no valid secret !");
        }
    }
}