Examples with CosClientException com.qcloud.cos.exception.CosClientException used on opensource projects

Example 6 with CosClientException

use of com.qcloud.cos.exception.CosClientException in project cos-java-sdk-v5 by tencentyun.

the class InstanceMetadataCredentialsEndpointProvider method getCredentialsEndpoint.

@Override
public URI getCredentialsEndpoint() throws URISyntaxException, IOException {
    if (null != this.roleName && !this.roleName.isEmpty()) {
        return new URI(this.instance.METADATA_SERVICE_URL + this.instance.METADATA_CREDENTIALS_RESOURCE + "/" + this.roleName);
    }
    // Try to get a valid role.
    LOG.debug("The role name is not specified. Trying to get a valid role name from the instance.");
    String roles = InstanceCredentialsUtils.getInstance().readResource(new URI(this.instance.METADATA_SERVICE_URL + this.instance.METADATA_CREDENTIALS_RESOURCE));
    String[] roleList = roles.trim().split("\n");
    if (0 == roleList.length) {
        throw new CosClientException("Unable to load the credentials path. No valid cam role was found.");
    }
    LOG.info("Use the role [{}] to obtain the credentials.", roleList[0]);
    return new URI(this.instance.METADATA_SERVICE_URL + this.instance.METADATA_CREDENTIALS_RESOURCE + "/" + roleList[0]);
}

Example 7 with CosClientException

use of com.qcloud.cos.exception.CosClientException in project cos-java-sdk-v5 by tencentyun.

the class AsymmetricKeyEncryptionClientDemo method createCosClient.

static COSClient createCosClient(String region) {
    // 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDxxxxxxxxxxxxxxxxxxxxxxxxxxx", "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
    // 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region(region));
    // 为防止请求头部被篡改导致的数据无法解密，强烈建议只使用 https 协议发起请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    KeyPair asymKeyPair = null;
    try {
        // 加载保存在文件中的秘钥, 如果不存在，请先使用buildAndSaveAsymKeyPair生成秘钥
        // buildAndSaveAsymKeyPair();
        asymKeyPair = loadAsymKeyPair();
    } catch (Exception e) {
        throw new CosClientException(e);
    }
    // 初始化 KMS 加密材料
    EncryptionMaterials encryptionMaterials = new EncryptionMaterials(asymKeyPair);
    // 使用AES/GCM模式，并将加密信息存储在文件元信息中.
    CryptoConfiguration cryptoConf = new CryptoConfiguration(CryptoMode.AesCtrEncryption).withStorageMode(CryptoStorageMode.ObjectMetadata);
    // // 如果 kms 服务的 region 与 cos 的 region 不一致，则在加密信息里指定 kms 服务的 region
    // cryptoConf.setKmsRegion(kmsRegion);
    // // 如果需要可以为 KMS 服务的 cmk 设置对应的描述信息。
    // encryptionMaterials.addDescription("kms-region", "guangzhou");
    // 生成加密客户端EncryptionClient, COSEncryptionClient是COSClient的子类, 所有COSClient支持的接口他都支持。
    // EncryptionClient覆盖了COSClient上传下载逻辑，操作内部会执行加密操作，其他操作执行逻辑和COSClient一致
    COSEncryptionClient cosEncryptionClient = new COSEncryptionClient(new COSStaticCredentialsProvider(cred), new StaticEncryptionMaterialsProvider(encryptionMaterials), clientConfig, cryptoConf);
    return cosEncryptionClient;
}

Example 8 with CosClientException

use of com.qcloud.cos.exception.CosClientException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method CopyObjectWithKmsMeta.

public static void CopyObjectWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    // 要拷贝的bucket region, 支持跨园区拷贝
    Region srcBucketRegion = new Region("ap-guangzhou");
    // 源bucket, bucket名需包含appid
    String srcBucketName = "mybucket-1251668577";
    // 要拷贝的源文件
    String srcKey = "aaa/bbb.txt";
    // 目的bucket, bucket名需包含appid
    String destBucketName = "mybucket-1251668577";
    // 要拷贝的目的文件
    String destKey = "ccc/ddd.txt";
    CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName, srcKey, destBucketName, destKey);
    copyObjectRequest.setSSECOSKeyManagementParams(new SSECOSKeyManagementParams(kmsKeyId, encryptionContext));
    try {
        CopyObjectResult copyObjectResult = cosclient.copyObject(copyObjectRequest);
        String crc64 = copyObjectResult.getCrc64Ecma();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 9 with CosClientException

use of com.qcloud.cos.exception.CosClientException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method SimpleUploadWithKmsMeta.

public static void SimpleUploadWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    String key = "aaa/bbb.txt";
    File localFile = new File("/test.log");
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    SSECOSKeyManagementParams ssecosKeyManagementParams = new SSECOSKeyManagementParams(kmsKeyId, encryptionContext);
    putObjectRequest.setSSECOSKeyManagementParams(ssecosKeyManagementParams);
    // 服务端加密场景下，返回的etag不再代表文件的md5，所以需要去掉客户端的md5校验
    // 如有需要，可获取crc64，自行校验
    System.setProperty(SkipMd5CheckStrategy.DISABLE_PUT_OBJECT_MD5_VALIDATION_PROPERTY, "true");
    try {
        PutObjectResult putObjectResult = cosclient.putObject(putObjectRequest);
        // putobjectResult会返回文件的etag
        String etag = putObjectResult.getETag();
        String crc64 = putObjectResult.getCrc64Ecma();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 10 with CosClientException

use of com.qcloud.cos.exception.CosClientException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method MultipartUploadWithKmsMeta.

public static void MultipartUploadWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    String key = "aaa/bbb.txt";
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    InitiateMultipartUploadRequest initiateMultipartUploadRequest = new InitiateMultipartUploadRequest(bucketName, key);
    SSECOSKeyManagementParams ssecosKeyManagementParams = new SSECOSKeyManagementParams(kmsKeyId, encryptionContext);
    // 服务端加密场景下，返回的etag不再代表文件的md5，所以需要去掉客户端的md5校验
    // 如有需要，可获取crc64，自行校验
    System.setProperty(SkipMd5CheckStrategy.DISABLE_PUT_OBJECT_MD5_VALIDATION_PROPERTY, "true");
    initiateMultipartUploadRequest.setSSECOSKeyManagementParams(ssecosKeyManagementParams);
    try {
        InitiateMultipartUploadResult initiateMultipartUploadResult = cosclient.initiateMultipartUpload(initiateMultipartUploadRequest);
        List<PartETag> partETags = new LinkedList<>();
        for (int i = 0; i < 2; i++) {
            byte[] data = new byte[1024 * 1024];
            UploadPartRequest uploadPartRequest = new UploadPartRequest();
            uploadPartRequest.setBucketName(bucketName);
            uploadPartRequest.setKey(key);
            uploadPartRequest.setUploadId(initiateMultipartUploadResult.getUploadId());
            // 设置分块的数据来源输入流
            uploadPartRequest.setInputStream(new ByteArrayInputStream(data));
            // 设置分块的长度
            // 设置数据长度
            uploadPartRequest.setPartSize(data.length);
            // 假设要上传的part编号是10
            uploadPartRequest.setPartNumber(i + 1);
            UploadPartResult uploadPartResult = cosclient.uploadPart(uploadPartRequest);
            PartETag partETag = uploadPartResult.getPartETag();
            partETags.add(partETag);
        }
        CompleteMultipartUploadRequest completeMultipartUploadRequest = new CompleteMultipartUploadRequest(bucketName, key, initiateMultipartUploadResult.getUploadId(), partETags);
        CompleteMultipartUploadResult completeResult = cosclient.completeMultipartUpload(completeMultipartUploadRequest);
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}