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管理员上传文件到存储桶功能基本完成；可以前端计算文件SHA1；添加腾讯云生成SecretId、SecretKey文档

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小墨
2022-04-08 17:53:32 +08:00
parent d40189c1ca
commit 357a1bd42e
21 changed files with 1014 additions and 49 deletions
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49
bookshelfplus/src/main/java/plus/bookshelf/Common/FileManager/QCloudCosUtils.java
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@@ -10,21 +10,34 @@ import com.qcloud.cos.http.HttpProtocol;
import com.qcloud.cos.region.Region;
import plus.bookshelf.Config.QCloudCosConfig;
import javax.annotation.PreDestroy;
import java.net.URL;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
public class QCloudCosUtils {
// 配置信息
QCloudCosConfig qCloudCosConfig;
/**
* 构造函数
*
* @param qCloudCosConfig
*/
public QCloudCosUtils(QCloudCosConfig qCloudCosConfig) {
this.qCloudCosConfig = qCloudCosConfig;
}
private static COSClient _cosClient = null;
// refer: https://cloud.tencent.com/document/product/436/35217#.E5.88.9B.E5.BB.BA-cosclient
// 创建 COSClient 实例，这个实例用来后续调用请求
COSClient createCOSClient() {
if (_cosClient != null) {
return _cosClient;
}
// 设置用户身份信息。
// SECRETID 和 SECRETKEY 请登录访问管理控制台 https://console.cloud.tencent.com/cam/capi 进行查看和管理
String secretId = qCloudCosConfig.getAccessKey();
@@ -54,13 +67,19 @@ public class QCloudCosUtils {
// clientConfig.setHttpProxyIp("httpProxyIp");
// clientConfig.setHttpProxyPort(80);
// 生成 cos 客户端。
return new COSClient(cred, clientConfig);
// 生成 cos 客户端
_cosClient = new COSClient(cred, clientConfig);
System.out.println("cosClient construct success.");
return _cosClient;
}
public String getUrl(String token, String objectKey) {
// 如果不指定失效时间，默认为 30 分钟
return getUrl(token, HttpMethodName.GET, objectKey, 30);
public Boolean doesObjectExist(String objectKey) {
COSClient cosClient = createCOSClient();
// 存储桶的命名格式为 BucketName-APPID，此处填写的存储桶名称必须为此格式
String bucketName = qCloudCosConfig.getBucketName();
// 对象键(Key)是对象在存储桶中的唯一标识。详情请参见 [对象键](https://cloud.tencent.com/document/product/436/13324)
String key = qCloudCosConfig.getKeyName() + objectKey;
return cosClient.doesObjectExist(bucketName, key);
}
/**
@@ -74,9 +93,10 @@ public class QCloudCosUtils {
* @param expireMinute 过期时间
* @return
*/
public String getUrl(String token, HttpMethodName httpMethodName, String objectKey, Integer expireMinute) {
public String generatePresignedUrl(String token, HttpMethodName httpMethodName, String objectKey, Integer expireMinute) {
// 调用 COS 接口之前必须保证本进程存在一个 COSClient 实例，如果没有则创建
// 详细代码参见本页：简单操作 -> 创建 COSClient
// COSClient cosClient = createCOSClient();
COSClient cosClient = createCOSClient();
// 存储桶的命名格式为 BucketName-APPID，此处填写的存储桶名称必须为此格式
@@ -92,24 +112,27 @@ public class QCloudCosUtils {
Map<String, String> params = new HashMap<>();
params.put("poweredBy", "bookshelf.plus");
params.put("userToken", token);
String downloadGUID = NanoIdUtils.randomNanoId();
params.put("downloadGUID", downloadGUID); // 当次生成下载链接的全局唯一Id
params.put("温馨提示", "您的每一次下载都会被详细记录，请不要试图绕过系统获取文件下载直链，这是违法行为，请自重！");
// 填写本次请求的头部，需与实际请求相同，能够防止用户篡改此签名的 HTTP 请求的头部
Map<String, String> headers = new HashMap<>();
// headers.put("header1", "value1");
// 请求的 HTTP 方法，上传请求用 PUT，下载请求用 GET，删除请求用 DELETE
HttpMethodName method = HttpMethodName.GET;
HttpMethodName method = httpMethodName;
URL url = cosClient.generatePresignedUrl(bucketName, key, expirationDate, method, headers, params);
System.out.println(url.toString());
// [TODO] 确认本进程不再使用 cosClient 实例之后，关闭之
cosClient.shutdown();
// System.out.println(url.toString());
return url.toString();
}
public static void destoryInstance() {
if (_cosClient != null) {
// 确认本进程不再使用 cosClient 实例之后，关闭之
_cosClient.shutdown();
System.out.println("cosClient destory success.");
}
}
}