提取数据库水印 - ShowDatabaseWaterMark
调用方法
请参见如何调用API。
授权信息
账号具备所有API的调用权限,如果使用账号下的IAM用户调用当前API,该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权,具体权限要求请参见权限和授权项。
- 如果使用身份策略授权,当前API调用无需身份策略权限。
URI
POST /v1/{project_id}/sdg/database/watermark/extract
| 参数 | 是否必选 | 参数类型 | 描述 |
|---|---|---|---|
| project_id | 是 | String | 参数解释: 项目ID,用于标识用户所属的项目,实现权限控制和资源隔离。获取方法请参见获取项目ID和名称。 约束限制: 不涉及 取值范围: 长度为32个字符 默认取值: 不涉及 |
请求参数
| 参数 | 是否必选 | 参数类型 | 描述 |
|---|---|---|---|
| X-Auth-Token | 是 | String | 参数解释: 用户Token。通过调用IAM服务查询用户Token接口获取(响应消息头中X-Subject-Token的值)。 约束限制: 不涉及 取值范围: 不涉及 默认取值: 不涉及 |
| 参数 | 是否必选 | 参数类型 | 描述 |
|---|---|---|---|
| db_extract_wm_info | 是 | DBExtractWmInfo object | 参数解释: 数据库水印提取信息 约束限制: 不涉及 取值范围: 不涉及 默认取值: 不涉及 |
| 参数 | 是否必选 | 参数类型 | 描述 |
|---|---|---|---|
| watermark_key | 是 | String | 参数解释: 水印密钥,用于嵌入或提取数据水印的密钥,需与嵌入水印时使用的密钥保持一致 约束限制: 必填 取值范围: 字符串类型,长度1~32个字符 默认取值: 不涉及 |
| columns | 是 | Array of DBSchemaInfo objects | 参数解释: 数据库字段定义列表,数组每个元素为Columns对象,包含字段名称、字段类型和主键标记等属性(定义参见DBSchemaInfo) 约束限制: 必填,最多100个,须包含主键 取值范围: 不涉及 默认取值: 不涉及 |
| data | 是 | Array of Map<String,String> objects | 参数解释: 待提取水印的数据行,数组每个元素为Map<String,Object>键值对,key为字段名称(对应columns中name的值),value为对应字段的数据值 约束限制: 必填 取值范围: 不涉及 默认取值: 不涉及 |
响应参数
状态码:200
| 参数 | 参数类型 | 描述 |
|---|---|---|
| watermarks | Array of strings | 参数解释: 提取的水印内容列表 取值范围: 不涉及 |
请求示例
从数据库表数据中提取盲水印。
{
"db_extract_wm_info" : {
"watermark_key" : "watermark-key-demo",
"columns" : [ {
"name" : "id",
"type" : "INTEGER",
"primary_key" : true
} ],
"data" : [ {
"id" : "1",
"name" : "demo"
} ]
}
} 响应示例
状态码:200
{
"watermarks" : [ "水印内容" ]
} SDK代码示例
SDK代码示例如下。
Java
从数据库表数据中提取盲水印。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.dsc.v1.region.DscRegion; import com.huaweicloud.sdk.dsc.v1.*; import com.huaweicloud.sdk.dsc.v1.model.*; public class ShowDatabaseWaterMarkSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); DscClient client = DscClient.newBuilder() .withCredential(auth) .withRegion(DscRegion.valueOf("<YOUR REGION>")) .build(); ShowDatabaseWaterMarkRequest request = new ShowDatabaseWaterMarkRequest(); body.withExtractedDatabaseWatermark("{\"db_extract_wm_info\":{\"data\":[{\"name\":\"demo\",\"id\":\"1\"}],\"watermark_key\":\"watermark-key-demo\",\"columns\":[{\"name\":\"id\",\"type\":\"INTEGER\",\"primary_key\":true}]}}"); request.withBody(listExtractedDatabaseWatermarkExtractedDatabaseWatermark); try { ShowDatabaseWaterMarkResponse response = client.showDatabaseWaterMark(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
Python
从数据库表数据中提取盲水印。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | # coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdsc.v1.region.dsc_region import DscRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdsc.v1 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = DscClient.new_builder() \ .with_credentials(credentials) \ .with_region(DscRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShowDatabaseWaterMarkRequest() request.body = listExtractedDatabaseWatermarkExtractedDatabaseWatermark response = client.show_database_water_mark(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
从数据库表数据中提取盲水印。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dsc "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth, err := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). SafeBuild() if err != nil { fmt.Println(err) return } hcClient, err := dsc.DscClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). SafeBuild() if err != nil { fmt.Println(err) return } client := dsc.NewDscClient(hcClient) request := &model.ShowDatabaseWaterMarkRequest{} var extractedDatabaseWatermarkExtractedDatabaseWatermark interface{} = "{\"db_extract_wm_info\":{\"data\":[{\"name\":\"demo\",\"id\":\"1\"}],\"watermark_key\":\"watermark-key-demo\",\"columns\":[{\"name\":\"id\",\"type\":\"INTEGER\",\"primary_key\":true}]}}" request.Body = listExtractedDatabaseWatermarkExtractedDatabaseWatermark response, err := client.ShowDatabaseWaterMark(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多
更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。
状态码
| 状态码 | 描述 |
|---|---|
| 200 | 请求已成功 |
错误码
请参见错误码。