更新时间:2024-02-28 GMT+08:00
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生成接入凭证

功能介绍

接入凭证是用于客户端使用AMQP等协议与平台建链的一个认证凭据。只保留一条记录,如果重复调用只会重置接入凭证,使得之前的失效。

调用方法

请参见如何调用API

URI

POST /v5/iot/{project_id}/auth/accesscode

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

参数说明:项目ID。获取方法请参见 获取项目ID

请求参数

表2 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

参数说明:用户Token。通过调用IAM服务 获取IAM用户Token接口获取,接口返回的响应消息头中“X-Subject-Token”就是需要获取的用户Token。简要的获取方法样例请参见 Token认证

Instance-Id

String

参数说明:实例ID。物理多租下各实例的唯一标识,建议携带该参数,在使用专业版时必须携带该参数。您可以在IoTDA管理控制台界面,选择左侧导航栏“总览”页签查看当前实例的ID,具体获取方式请参考查看实例详情

最小长度:0

最大长度:36

表3 请求Body参数

参数

是否必选

参数类型

描述

type

String

参数说明:接入凭证类型,默认为AMQP的接入凭证类型。 取值范围

  • [AMQP,MQTT]

最小长度:0

最大长度:16

force_disconnect

Boolean

参数说明: 是否将AMQP/MQTT连接断开

缺省值:false

响应参数

状态码: 201

表4 响应Body参数

参数

参数类型

描述

access_key

String

接入名,随机生成8位字符串

最小长度:0

最大长度:8

access_code

String

接入凭证。

最小长度:0

最大长度:1024

请求示例

生成接入凭证,接入凭证类型为amqp。

POST https://{endpoint}/v5/iot/{project_id}/auth/accesscode

{
  "type" : "AMQP"
}

响应示例

状态码: 201

Created

{
  "access_key" : "examples",
  "access_code" : "examples"
}

SDK代码示例

SDK代码示例如下。

Java

生成接入凭证,接入凭证类型为amqp。

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.AbstractCredentials;
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.iotda.v5.region.IoTDARegion;
import com.huaweicloud.sdk.iotda.v5.*;
import com.huaweicloud.sdk.iotda.v5.model.*;


public class CreateAccessCodeSolution {

    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");

        ICredential auth = new BasicCredentials()
                .withDerivedPredicate(AbstractCredentials.DEFAULT_DERIVED_PREDICATE) // Used in derivative ak/sk authentication scenarios
                .withAk(ak)
                .withSk(sk);

        IoTDAClient client = IoTDAClient.newBuilder()
                .withCredential(auth)
                .withRegion(IoTDARegion.valueOf("<YOUR REGION>"))
                .build();
        CreateAccessCodeRequest request = new CreateAccessCodeRequest();
        CreateAccessCodeRequestBody body = new CreateAccessCodeRequestBody();
        body.withType("AMQP");
        request.withBody(body);
        try {
            CreateAccessCodeResponse response = client.createAccessCode(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

生成接入凭证,接入凭证类型为amqp。

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcore.auth.credentials import DerivedCredentials
from huaweicloudsdkiotda.v5.region.iotda_region import IoTDARegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkiotda.v5 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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \
            .with_derived_predicate(DerivedCredentials.get_default_derived_predicate()) \

    client = IoTDAClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(IoTDARegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = CreateAccessCodeRequest()
        request.body = CreateAccessCodeRequestBody(
            type="AMQP"
        )
        response = client.create_access_code(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

生成接入凭证,接入凭证类型为amqp。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    iotda "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotda/v5"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotda/v5/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/iotda/v5/region"
    core_auth "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth"
)

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")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithDerivedPredicate(core_auth.GetDefaultDerivedPredicate()). // Used in derivative ak/sk authentication scenarios
        Build()

    client := iotda.NewIoTDAClient(
        iotda.IoTDAClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateAccessCodeRequest{}
	typeCreateAccessCodeRequestBody:= "AMQP"
	request.Body = &model.CreateAccessCodeRequestBody{
		Type: &typeCreateAccessCodeRequestBody,
	}
	response, err := client.CreateAccessCode(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

201

Created

403

FORBIDDEN

500

Internal Server Error

错误码

请参见错误码

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