首页 > 解决方案 > 邮递员给出了正确的回应,但放心返回错误的回应

问题描述

几个月以来,我一直在放心工作。

从开源 API 获取数据时观察到,当通过 Postman API 进行 GET 调用时,返回 200 并接收到有效/预期的数据。 在此处输入图像描述

编写以下代码(使用 Rest-Assured 的 Java)以从 API 获取相同的数据:

package com.type.GetFuelTypeFromAPI;

import static io.restassured.RestAssured.given;

import java.net.MalformedURLException;
import java.net.URL;
import org.testng.annotations.Test;

import io.restassured.response.Response;

public class SampleGetAPI {

@Test
public void getDetails() throws MalformedURLException {

    Response response=
    given()
        .queryParam("cmd", "getTrims")
        .queryParam("make", "Abarth")
        .queryParam("year", "1955")
        .queryParam("model", "207")
    .when()
        .get(new URL("https://carqueryapi.com/api/0.3/"));

    String responseBody = response.body().asString();
    System.out.println(responseBody);
}
}

代码输出为:

[TestNG] Running:
C:\Users\AaSomvanshi\AppData\Local\Temp\testng-eclipse-1657322415\testng-customsuite.xml

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /api/0.3/
on this server.<br />
</p>
<p>Additionally, a 403 Forbidden
error was encountered while trying to use an ErrorDocument to handle the request.</p>
</body></html>

PASSED: getDetails

===============================================
Default test
Tests run: 1, Failures: 0, Skips: 0
===============================================


===============================================
Default suite
Total tests run: 1, Failures: 0, Skips: 0
===============================================

有人可以指导我如何克服这个问题吗?

标签: javawiresharkrest-assured

解决方案


经过大量搜索,请按照以下步骤操作:

使用 Wireshark 捕获邮递员和放心的 API 调用。

Postman API 调用包含以下值:


GET /api/0.3/?cmd=getTrims&make=Abarth&year=1955&model=207 HTTP/1.1\r\n

缓存控制: 无缓存\r\n

邮递员令牌:c70faee6-f00c-47b6-9c6a-bb1c4ffe5cf4\r\n

用户代理: PostmanRuntime/7.6.0\r\n

接受: / \r\n

cookie:__cfduid=dcce85c35c3e5eb33524b0a1a79b6bf2b1548159374\r\n

接受编码:gzip,放气\r\n

参考:https ://carqueryapi.com/api/0.3/?cmd=getTrims&make=Abarth&year=1955&model=207 \r\n

主机:www.carqueryapi.com\r\n

连接: 保持活动\r\n

\r\n

[完整请求 URI:http://www.carqueryapi.com/api/0.3/?cmd=getTrims&make=Abarth&year=1955&model=207]

[HTTP 请求 1/1] [帧中的响应:350]


Rest-Assured API 调用包含以下值:


GET /api/0.3/?cmd=getTrims&make=Abarth&year=1955&model=207 HTTP/1.1\r\n

接受: / \r\n

主机:www.carqueryapi.com\r\n

连接: 保持活动\r\n

用户代理:Apache-HttpClient/4.5.3 (Java/1.8.0_171)\r\n

接受编码: gzip,deflate\r\n

\r\n

[完整请求 URI:http://www.carqueryapi.com/api/0.3/?cmd=getTrims&make=Abarth&year=1955&model=207]

[HTTP 请求 1/1]

[帧内响应:769]


观察:

Header User-Agent的值不同。API 阻止了对Apache-HttpClient的请求,但允许PostmanRuntime/7.6.0

更新了代码以具有值为PostmanRuntime/7.6.0的标头User-Agent并且它有效。

以下是工作代码:

package com.type.GetFuelTypeFromAPI;

import static io.restassured.RestAssured.given;

import java.net.MalformedURLException;
import java.net.URL;
import org.testng.annotations.Test;

import io.restassured.response.Response;

public class SampleGetAPI {

@Test
public void getDetails() throws MalformedURLException {

    Response response=
    given()
        .header("User-Agent", "PostmanRuntime/7.6.0")
        .queryParam("cmd", "getTrims")
        .queryParam("make", "Abarth")
        .queryParam("year", "1955")
        .queryParam("model", "207")
    .when()
        .get(new URL("https://carqueryapi.com/api/0.3/"));

    String responseBody = response.body().asString();
    System.out.println(responseBody);
}
}

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