<?php

/**
 * http请求函数
 *
 * 
 *
 */

function http_request($url, $params = array(), $method = 'GET', $multi = false, $extheaders = array()) 
{
    if (!function_exists('curl_init')) {  
        return false;
    }

    $method = strtoupper($method);
    $ci = curl_init();
    curl_setopt($ci, CURLOPT_USERAGENT, 'PHP-SDK OAuth2.0');
    curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 3);
    curl_setopt($ci, CURLOPT_TIMEOUT, 3);
    curl_setopt($ci, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ci, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ci, CURLOPT_HEADER, false);
    $headers = (array) $extheaders;
    switch ($method) 
    {
        case 'POST':
            curl_setopt($ci, CURLOPT_POST, TRUE);
            if (!empty($params)) 
            {
                if ($multi) 
                {
                    foreach ($multi as $key => $file) {
                        $params[$key] = '@' . $file;
                    }
                    curl_setopt($ci, CURLOPT_POSTFIELDS, $params);
                    $headers[] = 'Expect: ';
                } 
                else {
                    curl_setopt($ci, CURLOPT_POSTFIELDS, http_build_query($params));
                }
            }
            break;
        case 'DELETE':
        case 'GET':
            if($method == 'DELETE') {
                curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
            }
            if (!empty($params)) {
                $url = $url . (strpos($url, '?') ? '&' : '?') . (is_array($params) ? http_build_query($params) : $params);
            }
            break;
    }
    curl_setopt($ci, CURLINFO_HEADER_OUT, TRUE);
    curl_setopt($ci, CURLOPT_URL, $url);
    if ($headers) {
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
    }

    $response = curl_exec($ci);
    curl_close($ci);

    return $response;
}

function http_post_data($url, $body, $headers = array())
{
    if (!function_exists('curl_init')) {
        return false;
    }

    $ci = curl_init();
    curl_setopt($ci, CURLOPT_USERAGENT, 'PHP-SDK OAuth2.0');
    curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 3);
    curl_setopt($ci, CURLOPT_TIMEOUT, 15);
    curl_setopt($ci, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ci, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ci, CURLOPT_HEADER, false);
    curl_setopt($ci, CURLOPT_POSTFIELDS, $body);
    curl_setopt($ci, CURLINFO_HEADER_OUT, TRUE);
    curl_setopt($ci, CURLOPT_URL, $url);

    if (!empty($headers)) {
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
    }

    $response = curl_exec($ci);
    if($response == false) {
        $err = curl_error($ci);
        Log::record("http_post_data err={$err}",Log::ERR);
    }
    curl_close($ci);

    return $response;
}

function https_request($url, $params = array(), $method = 'GET', $multi = false, $extheaders = array())
{
    if (!function_exists('curl_init')) {
        return false;
    }

    $method = strtoupper($method);
    $ci = curl_init();
    curl_setopt($ci, CURLOPT_USERAGENT, 'PHP-SDK OAuth2.0');
    curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 3);
    curl_setopt($ci, CURLOPT_TIMEOUT, 3);
    curl_setopt($ci, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ci, CURLOPT_SSL_VERIFYHOST, 2);
    curl_setopt($ci, CURLOPT_HEADER, false);
    $headers = (array) $extheaders;
    switch ($method)
    {
        case 'POST':
            curl_setopt($ci, CURLOPT_POST, TRUE);
            if (!empty($params))
            {
                if ($multi)
                {
                    foreach ($multi as $key => $file) {
                        $params[$key] = '@' . $file;
                    }
                    curl_setopt($ci, CURLOPT_POSTFIELDS, $params);
                    $headers[] = 'Expect: ';
                }
                else {
                    curl_setopt($ci, CURLOPT_POSTFIELDS, http_build_query($params));
                }
            }
            break;
        case 'DELETE':
        case 'GET':
            if($method == 'DELETE') {
                curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
            }
            if (!empty($params)) {
                $url = $url . (strpos($url, '?') ? '&' : '?') . (is_array($params) ? http_build_query($params) : $params);
            }
            break;
    }
    curl_setopt($ci, CURLINFO_HEADER_OUT, TRUE);
    curl_setopt($ci, CURLOPT_URL, $url);
    if ($headers) {
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
    }

    $response = curl_exec($ci);
    curl_close($ci);

    return $response;
}