Examples with COSCredentials com.qcloud.cos.auth.COSCredentials used on opensource projects

Example 6 with COSCredentials

use of com.qcloud.cos.auth.COSCredentials in project cos-java-sdk-v5 by tencentyun.

the class GeneratePresignedUrlDemo method GeneratePresignedDownloadUrlAnonymous.

// 获取预签名的下载链接， 用于匿名bucket, 匿名bucket生成的预下载链接不包含签名
public static void GeneratePresignedDownloadUrlAnonymous() {
    // 1 初始化用户身份信息, 匿名身份不用传入ak sk
    COSCredentials cred = new AnonymousCOSCredentials();
    // 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-beijing-1"));
    // 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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}

Example 7 with COSCredentials

use of com.qcloud.cos.auth.COSCredentials in project cos-java-sdk-v5 by tencentyun.

the class GeneratePresignedUrlDemo method GeneratePresignedDownloadUrlWithOverrideResponseHeader.

// 获取预签名的下载链接, 并设置返回的content-type, cache-control等http头
public static void GeneratePresignedDownloadUrlWithOverrideResponseHeader() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 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-beijing-1"));
    // 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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    // 设置下载时返回的http头
    ResponseHeaderOverrides responseHeaders = new ResponseHeaderOverrides();
    String responseContentType = "image/x-icon";
    String responseContentLanguage = "zh-CN";
    String responseContentDispositon = "filename=\"abc.txt\"";
    String responseCacheControl = "no-cache";
    String cacheExpireStr = DateUtils.formatRFC822Date(new Date(System.currentTimeMillis() + 24 * 3600 * 1000));
    responseHeaders.setContentType(responseContentType);
    responseHeaders.setContentLanguage(responseContentLanguage);
    responseHeaders.setContentDisposition(responseContentDispositon);
    responseHeaders.setCacheControl(responseCacheControl);
    responseHeaders.setExpires(cacheExpireStr);
    req.setResponseHeaders(responseHeaders);
    // 设置签名过期时间(可选), 若未进行设置则默认使用ClientConfig中的签名过期时间(1小时)
    // 这里设置签名在半个小时后过期
    Date expirationDate = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    req.setExpiration(expirationDate);
    // 填写本次请求的参数
    req.addRequestParameter("param1", "value1");
    // 填写本次请求的头部。Host 头部会自动补全，不需要填写
    req.putCustomRequestHeader("header1", "value1");
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}

Example 8 with COSCredentials

use of com.qcloud.cos.auth.COSCredentials in project cos-java-sdk-v5 by tencentyun.

the class GeneratePresignedUrlDemo method GenerateSimplePresignedDownloadUrl.

// 获取下载的预签名连接
public static void GenerateSimplePresignedDownloadUrl() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 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-beijing-1"));
    // 如果要获取 https 的 url 则在此设置，否则默认获取的是 http url
    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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    // 设置签名过期时间(可选), 若未进行设置则默认使用ClientConfig中的签名过期时间(1小时)
    // 这里设置签名在半个小时后过期
    Date expirationDate = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    req.setExpiration(expirationDate);
    // 填写本次请求的参数
    req.addRequestParameter("param1", "value1");
    // 填写本次请求的头部。Host 头部会自动补全，不需要填写
    req.putCustomRequestHeader("header1", "value1");
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}

Example 9 with COSCredentials

use of com.qcloud.cos.auth.COSCredentials in project cos-java-sdk-v5 by tencentyun.

the class GeneratePresignedUrlDemo method GeneratePresignedUploadUrl.

// 生成预签名的上传连接
public static void GeneratePresignedUploadUrl() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "********************************");
    // 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-shanghai"));
    // 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.txt";
    Date expirationTime = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    // 填写本次请求的 header。Host 头部会自动补全，只需填入其他头部
    Map<String, String> headers = new HashMap<String, String>();
    // 填写本次请求的 params。
    Map<String, String> params = new HashMap<String, String>();
    URL url = cosclient.generatePresignedUrl(bucketName, key, expirationTime, HttpMethodName.PUT, headers, params);
    try {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestMethod("PUT");
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        // 写入要上传的数据
        out.write("This text uploaded as object.");
        out.close();
        int responseCode = connection.getResponseCode();
        System.out.println("Service returned response code " + responseCode);
    } catch (ProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    cosclient.shutdown();
}

Example 10 with COSCredentials

use of com.qcloud.cos.auth.COSCredentials in project cos-java-sdk-v5 by tencentyun.

the class GetObjectDemo method GetObjectToFileDemo.

public static void GetObjectToFileDemo() {
    // 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 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"));
    // 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    String key = "test/my_test.json";
    String bucketName = "mybucket-1251668577";
    boolean useTrafficLimit = false;
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    if (useTrafficLimit) {
        getObjectRequest.setTrafficLimit(8 * 1024 * 1024);
    }
    File localFile = new File("my_test.json");
    ObjectMetadata objectMetadata = cosclient.getObject(getObjectRequest, localFile);
    System.out.println(objectMetadata.getContentLength());
}