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所以我有一个类在 Visual Studios 2017 中使用 curl 进行 http 调用,该类是通过讨论的 vcpkg 安装的:这里,使用 curl_easy 函数调用:

string returnResponseAsString(string requestURL) {
    CURL *curl_handle;
    CURLcode res;

    struct MemoryStruct chunk;

    chunk.memory = (char *)malloc(1);
    chunk.size = 0;

    curl_global_init(CURL_GLOBAL_ALL);

    /* init the curl session */
    curl_handle = curl_easy_init();

    /*Turn off SSL Verifcation*/
    curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, FALSE);

    /* specify URL to get */
    curl_easy_setopt(curl_handle, CURLOPT_URL, requestURL.c_str());

    /* send all data to this function  */
    curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);

   /* we pass our 'chunk' struct to the callback function */
   curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);

  /* some servers don't like requests that are made without a user-agent*/        
  curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");

   /* get it! */
   res = curl_easy_perform(curl_handle);

   /* check for errors */
   if (res != CURLE_OK) {
       fprintf(stderr, "curl_easy_perform() failed: %s\n",
           curl_easy_strerror(res));
    }
    else {

        printf("%lu bytes retrieved\n", (long)chunk.size);
    }

    string response = chunk.memory;

    /* cleanup curl stuff */
    curl_easy_cleanup(curl_handle);

    free(chunk.memory);

    /* we're done with libcurl, so clean it up */
    curl_global_cleanup();

    return response;
}

如果我不包括curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, FALSE);关闭 SSL 验证的这一行,我会收到错误:curl_easy_perform() failed: Peer certificate cannot be authenticated with given CA certificates. 我尝试按照以下说明安装证书:链接,但据说将下载的证书放在与 curl.exe 相同的文件夹中。据我所知,vcpkg 没有安装 curl.exe。我查找了 .crt,并在 vcpkg 下找到了找到的证书的图像。我应该在哪里放置 .crt 文件以进行身份​​验证以与 Visual Studio 一起使用?

证书图片

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