<?php
// +----------------------------------------------------------------------
// | WeChatDeveloper
// +----------------------------------------------------------------------
// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://think.ctolog.com
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
// +----------------------------------------------------------------------
namespace WeChat\Contracts;
use WeChat\Exceptions\InvalidArgumentException;
use WeChat\Exceptions\InvalidResponseException;
use WeChat\Exceptions\LocalCacheException;
/**
* 网络请求支持
* Class Tools
* @package WeChat\Contracts
*/
class Tools
{
/**
* 缓存路径
* @var null
*/
public static $CachePath = null;
/**
* 产生随机字符串
* @param int $length 指定字符长度
* @param string $str 字符串前缀
* @return string
*/
public static function createNoncestr($length = 32, $str = "")
{
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
/**
* 根据文件后缀获取文件MINE
* @param array $ext 文件后缀
* @param array $mine 文件后缀MINE信息
* @return string
* @throws LocalCacheException
*/
public static function getExtMine($ext, $mine = [])
{
$mines = self::getMines();
foreach (is_string($ext) ? explode(',', $ext) : $ext as $e) {
$mine[] = isset($mines[strtolower($e)]) ? $mines[strtolower($e)] : 'application/octet-stream';
}
return join(',', array_unique($mine));
}
/**
* 获取所有文件扩展的mine
* @return array
* @throws LocalCacheException
*/
private static function getMines()
{
$mines = self::getCache('all_ext_mine');
if (empty($mines)) {
$content = file_get_contents('http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types');
preg_match_all('#^([^\s]{2,}?)\s+(.+?)$#ism', $content, $matches, PREG_SET_ORDER);
foreach ($matches as $match) foreach (explode(" ", $match[2]) as $ext) {
$mines[$ext] = $match[1];
}
self::setCache('all_ext_mine', $mines);
}
return $mines;
}
/**
* 创建CURL文件对象
* @param $filename
* @param string $mimetype
* @param string $postname
* @return \CURLFile|string
* @throws LocalCacheException
*/
public static function createCurlFile($filename, $mimetype = null, $postname = null)
{
is_null($postname) && $postname = basename($filename);
is_null($mimetype) && $mimetype = self::getExtMine(pathinfo($filename, 4));
if (function_exists('curl_file_create')) {
return curl_file_create($filename, $mimetype, $postname);
}
return "@{$filename};filename={$postname};type={$mimetype}";
}
/**
* 数组转XML内容
* @param array $data
* @return string
*/
public static function arr2xml($data)
{
return "<xml>" . self::_arr2xml($data) . "</xml>";
}
/**
* XML内容生成
* @param array $data 数据
* @param string $content
* @return string
*/
private static function _arr2xml($data, $content = '')
{
foreach ($data as $key => $val) {
is_numeric($key) && $key = 'item';
$content .= "<{$key}>";
if (is_array($val) || is_object($val)) {
$content .= self::_arr2xml($val);
} elseif (is_string($val)) {
$content .= '<![CDATA[' . preg_replace("/[\\x00-\\x08\\x0b-\\x0c\\x0e-\\x1f]/", '', $val) . ']]>';
} else {
$content .= $val;
}
$content .= "</{$key}>";
}
return $content;
}
/**
* 解析XML内容到数组
* @param string $xml
* @return array
*/
public static function xml2arr($xml)
{
$entity = libxml_disable_entity_loader(true);
$data = (array)simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
libxml_disable_entity_loader($entity);
return json_decode(self::arr2json($data), true);
}
/**
* 数组转xml内容
* @param array $data
* @return null|string|string
*/
public static function arr2json($data)
{
return preg_replace_callback('/\\\\u([0-9a-f]{4})/i', function ($matches) {
return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE");
}, ($jsonData = json_encode($data)) == '[]' ? '{}' : $jsonData);
}
/**
* 解析JSON内容到数组
* @param string $json
* @return array
* @throws InvalidResponseException
*/
public static function json2arr($json)
{
$result = json_decode($json, true);
if (empty($result)) {
throw new InvalidResponseException('invalid response.', '0');
}
if (!empty($result['errcode'])) {
throw new InvalidResponseException($result['errmsg'], $result['errcode'], $result);
}
return $result;
}
/**
* 以get访问模拟访问
* @param string $url 访问URL
* @param array $query GET数
* @param array $options
* @return bool|string
*/
public static function get($url, $query = [], $options = [])
{
$options['query'] = $query;
return self::doRequest('get', $url, $options);
}
/**
* 以post访问模拟访问
* @param string $url 访问URL
* @param array $data POST数据
* @param array $options
* @return bool|string
*/
public static function post($url, $data = [], $options = [])
{
$options['data'] = $data;
return self::doRequest('post', $url, $options);
}
/**
* CURL模拟网络请求
* @param string $method 请求方法
* @param string $url 请求方法
* @param array $options 请求参数[headers,data,ssl_cer,ssl_key]
* @return bool|string
*/
protected static function doRequest($method, $url, $options = [])
{
$curl = curl_init();
// GET参数设置
if (!empty($options['query'])) {
$url .= (stripos($url, '?') !== false ? '&' : '?') . http_build_query($options['query']);
}
// CURL头信息设置
if (!empty($options['headers'])) {
curl_setopt($curl, CURLOPT_HTTPHEADER, $options['headers']);
}
// POST数据设置
if (strtolower($method) === 'post') {
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $options['data']);
}
// 证书文件设置
if (!empty($options['ssl_cer'])) {
if (file_exists($options['ssl_cer'])) {
curl_setopt($curl, CURLOPT_SSLCERTTYPE, 'PEM');
curl_setopt($curl, CURLOPT_SSLCERT, $options['ssl_cer']);
} else {
throw new InvalidArgumentException("Certificate files that do not exist. --- [ssl_cer]");
}
}
// 证书文件设置
if (!empty($options['ssl_key'])) {
if (file_exists($options['ssl_key'])) {
curl_setopt($curl, CURLOPT_SSLKEYTYPE, 'PEM');
curl_setopt($curl, CURLOPT_SSLKEY, $options['ssl_key']);
} else {
throw new InvalidArgumentException("Certificate files that do not exist. --- [ssl_key]");
}
}
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_TIMEOUT, 60);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
list($content, $status) = [curl_exec($curl), curl_getinfo($curl), curl_close($curl)];
return (intval($status["http_code"]) === 200) ? $content : false;
}
/**
* 写入文件
* @param string $name 文件名称
* @param string $content 文件内容
* @return string
* @throws LocalCacheException
*/
public static function pushFile($name, $content)
{
$file = self::getCacheName($name);
if (!file_put_contents($file, $content)) throw new LocalCacheException('local file write error.', '0');
return $file;
}
/**
* 缓存配置与存储
* @param string $name 缓存名称
* @param string $value 缓存内容
* @param int $expired 缓存时间(0表示永久缓存)
* @return string
* @throws LocalCacheException
*/
public static function setCache($name, $value = '', $expired = 3600)
{
$file = self::getCacheName($name);
$content = serialize(['name' => $name, 'value' => $value, 'expired' => time() + intval($expired)]);
if (!file_put_contents($file, $content)) throw new LocalCacheException('local cache error.', '0');
return $file;
}
/**
* 获取缓存内容
* @param string $name 缓存名称
* @return null|mixed
*/
public static function getCache($name)
{
$file = self::getCacheName($name);
if (file_exists($file) && ($content = file_get_contents($file))) {
$data = unserialize($content);
if (isset($data['expired']) && (intval($data['expired']) === 0 || intval($data['expired']) >= time())) {
return $data['value'];
}
self::delCache($name);
}
return null;
}
/**
* 移除缓存文件
* @param string $name 缓存名称
* @return bool
*/
public static function delCache($name)
{
$file = self::getCacheName($name);
return file_exists($file) ? unlink($file) : true;
}
/**
* 应用缓存目录
* @param string $name
* @return string
*/
private static function getCacheName($name)
{
if (empty(self::$CachePath)) {
self::$CachePath = dirname(dirname(__DIR__)) . DIRECTORY_SEPARATOR . 'Cache' . DIRECTORY_SEPARATOR;
}
self::$CachePath = rtrim(self::$CachePath, '/\\') . DIRECTORY_SEPARATOR;
file_exists(self::$CachePath) || mkdir(self::$CachePath, 0755, true);
return self::$CachePath . $name;
}
}