Help Center/ Web Application Firewall/ API Reference/ APIs/ Rule Management/ Querying a Precise Protection Rule by ID
Updated on 2024-11-08 GMT+08:00

Querying a Precise Protection Rule by ID

Function

Querying a Precise Protection Rule by ID

Calling Method

For details, see Calling APIs.

URI

GET /v1/{project_id}/waf/policy/{policy_id}/custom/{rule_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. To obtain it, go to Huawei Cloud management console and hover the cursor over your username. On the displayed window, choose My Credentials. Then, in the Projects area, view Project ID of the corresponding project.

policy_id

Yes

String

ID of a protection policy. You can specify a protection policy ID to query the rules used in the protection policy. You can obtain the policy ID by calling the ListPolicy API.

rule_id

Yes

String

ID of a precise protection rule. You can obtain it by calling the ListCustomRules API.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

enterprise_project_id

No

String

You can obtain the ID by calling the ListEnterpriseProject API of EPS.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

Content-Type

Yes

String

Content type.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

id

String

Rule ID.

name

String

Rule name.

policyid

String

Policy ID.

description

String

Rule description.

status

Integer

Rule status. The value can be 0 or 1.

  • 0: The rule is disabled.

  • 1: The rule is enabled.

conditions

Array of conditions objects

List of matching conditions. All conditions must be met.

action

CustomAction object

Protective action of the precise protection rule.

action_mode

Boolean

This parameter is reserved and can be ignored.

priority

Integer

Priority of a rule. A small value indicates a high priority. If two rules are assigned with the same priority, the rule added earlier has higher priority. Value range: 0 to 1000.

timestamp

Long

Timestamp when the precise protection rule is created.

time

Boolean

Time the precise protection rule takes effect.

  • false: The rule takes effect immediately.

  • true: The effective time is customized.

start

Long

Timestamp (ms) when the precise protection rule takes effect. This parameter is returned only when time is set to true.

terminal

Long

Timestamp (ms) when the precise protection rule expires. This parameter is returned only when time is set to true.

producer

Integer

This parameter is reserved and can be ignored currently.

Table 5 conditions

Parameter

Type

Description

category

String

Field type. The options are url, user-agent, ip, params, cookie, referer, header, request_line, method, and request.

index

String

Subfield

  • When the field type is url, user-agent, ip, refer, request_line, method, or request, index is not required.

  • If the field type is params, header, or cookie, and the subfield is customized, the value of index is the customized subfield.

logic_operation

String

Logic for matching the condition.

contents

Array of strings

Content of the conditions.

value_list_id

String

Reference table ID.

Table 6 CustomAction

Parameter

Type

Description

category

String

Protection type

  • block: WAF blocks attacks.

  • pass: WAF allows requests.

  • log: WAF only logs discovered attacks.

followed_action_id

String

ID of a known attack source rule. This parameter can be configured only when category is set to block.

Status code: 400

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

You can call the decode-authorization-message interface of the STS service to decode the rejection reason. For details, see the STS5 joint commissioning and self-verification. This parameter is returned only when an IAM 5 authentication error occurs.

details

Array of IAM5ErrorDetails objects

The set of error messages reported when a downstream service is invoked. This parameter is returned only when an IAM 5 authentication error occurs.

Table 8 IAM5ErrorDetails

Parameter

Type

Description

error_code

String

Error codes of the downstream service.

error_msg

String

Error messages of the downstream service.

Status code: 401

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

You can call the decode-authorization-message interface of the STS service to decode the rejection reason. For details, see the STS5 joint commissioning and self-verification. This parameter is returned only when an IAM 5 authentication error occurs.

details

Array of IAM5ErrorDetails objects

The set of error messages reported when a downstream service is invoked. This parameter is returned only when an IAM 5 authentication error occurs.

Table 10 IAM5ErrorDetails

Parameter

Type

Description

error_code

String

Error codes of the downstream service.

error_msg

String

Error messages of the downstream service.

Status code: 500

Table 11 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

You can call the decode-authorization-message interface of the STS service to decode the rejection reason. For details, see the STS5 joint commissioning and self-verification. This parameter is returned only when an IAM 5 authentication error occurs.

details

Array of IAM5ErrorDetails objects

The set of error messages reported when a downstream service is invoked. This parameter is returned only when an IAM 5 authentication error occurs.

Table 12 IAM5ErrorDetails

Parameter

Type

Description

error_code

String

Error codes of the downstream service.

error_msg

String

Error messages of the downstream service.

Example Requests

The following example shows how to query a precise protection rule. Details about the query are specified by project_id, policy_id, and rule_id.

GET https://{Endpoint}/v1/{project_id}/waf/policy/{policy_id}/custom/{rule_id}?

Example Responses

Status code: 200

ok

{
  "action" : {
    "category" : "block"
  },
  "action_mode" : false,
  "conditions" : [ {
    "category" : "header",
    "index" : "demo",
    "logic_operation" : "contain",
    "contents" : [ "demo" ]
  } ],
  "description" : "",
  "name" : "test55",
  "id" : "2a3caa2bc9814c09ad73d02e3485b4a4",
  "policyid" : "1f016cde588646aca3fb19f277c44d03",
  "priority" : 50,
  "status" : 1,
  "time" : false,
  "timestamp" : 1656495488880
}

SDK Sample Code

The SDK sample code is as follows.

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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.waf.v1.region.WafRegion;
import com.huaweicloud.sdk.waf.v1.*;
import com.huaweicloud.sdk.waf.v1.model.*;


public class ShowCustomRuleSolution {

    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);

        WafClient client = WafClient.newBuilder()
                .withCredential(auth)
                .withRegion(WafRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowCustomRuleRequest request = new ShowCustomRuleRequest();
        request.withPolicyId("{policy_id}");
        request.withRuleId("{rule_id}");
        try {
            ShowCustomRuleResponse response = client.showCustomRule(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());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkwaf.v1.region.waf_region import WafRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkwaf.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 = WafClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(WafRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowCustomRuleRequest()
        request.policy_id = "{policy_id}"
        request.rule_id = "{rule_id}"
        response = client.show_custom_rule(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    waf "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/waf/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/waf/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/waf/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 := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := waf.NewWafClient(
        waf.WafClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowCustomRuleRequest{}
	request.PolicyId = "{policy_id}"
	request.RuleId = "{rule_id}"
	response, err := client.ShowCustomRule(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

ok

400

Request failed.

401

The token does not have required permissions.

500

Internal server error.

Error Codes

See Error Codes.