<?php
// 应用公共文件
use think\facade\Request;
/**
 * 模拟GET请求 HTTPS的页面
 * @param string $url 请求地址
 * @param array $data
 * @return string $result
 */
function get(string $url, array $data = [])
{
    // 处理query参数
    if (!empty($data)) {
        $url = $url . '?' . http_build_query($data);
    }
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HEADER, 0);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); // https请求 不验证证书和hosts
    $result = curl_exec($curl);
    if ($result === false) {
        curl_error($curl);
    }
    curl_close($curl);
    return $result;
}

/**
 * 模拟POST请求
 * @param string $url 请求地址
 * @param mixed $data 请求数据
 * @param false $useCert 是否引入微信支付证书
 * @param array $sslCert 证书路径
 * @return mixed|bool|string
 */
function post(string $url, $data = [], bool $useCert = false, array $sslCert = [])
{
    $header = [
        'Content-type: application/json;'
    ];
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_POST, TRUE);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    if ($useCert == true) {
        // 设置证书：cert 与 key 分别属于两个.pem文件
        curl_setopt($curl, CURLOPT_SSLCERTTYPE, 'PEM');
        curl_setopt($curl, CURLOPT_SSLCERT, $sslCert['certPem']);
        curl_setopt($curl, CURLOPT_SSLKEYTYPE, 'PEM');
        curl_setopt($curl, CURLOPT_SSLKEY, $sslCert['keyPem']);
    }
    $result = curl_exec($curl);
    if ($result === false) {
        curl_error($curl);
    }
    curl_close($curl);
    return $result;
}

/**
 * 模拟POST请求
 * @param string $url 请求地址
 * @param mixed $data 请求数据
 * @param false $useCert 是否引入微信支付证书
 * @param array $sslCert 证书路径
 * @return mixed|bool|string
 */
function postToken(string $url, $data = [], bool $useCert = false, array $sslCert = [],string $token)
{
    $header = [
        'Content-type: application/json;',
        "access_token: {$token}"
    ];
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_POST, TRUE);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    if ($useCert == true) {
        // 设置证书：cert 与 key 分别属于两个.pem文件
        curl_setopt($curl, CURLOPT_SSLCERTTYPE, 'PEM');
        curl_setopt($curl, CURLOPT_SSLCERT, $sslCert['certPem']);
        curl_setopt($curl, CURLOPT_SSLKEYTYPE, 'PEM');
        curl_setopt($curl, CURLOPT_SSLKEY, $sslCert['keyPem']);
    }
    $result = curl_exec($curl);
    if ($result === false) {
        curl_error($curl);
    }
    curl_close($curl);
    return $result;
}

/**
 * 模拟POST请求 [第二种方式,]
 * @param $url
 * @param array $data
 * @return mixed
 */
function post2($url, array $data = [])
{
    $header = [
        'Content-Type: application/x-www-form-urlencoded'
    ];
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//这个是重点。
    $result = curl_exec($ch);
    if ($result === false) {
        curl_error($ch);
    }
    curl_close($ch);
    return $result;
}

/**
 * 获取当前域名及根路径
 * @return string
 */
function base_url()
{
    static $baseUrl = '';
    if (empty($baseUrl)) {
        $request = Request::instance();
        $subDir = str_replace('\\', '/', dirname($request->server('PHP_SELF')));
        $baseUrl = $request->scheme() . '://' . $request->host() . $subDir . ($subDir === '/' ? '' : '/');
    }
    return $baseUrl;
}