/**
* 遍历获取目录下的指定类型的文件
* @param $path
* @param array $files
* @return array
*/
function getfiles($path, &$files = array())
{
if (!is_dir($path)) {
return null;
}
$handle = opendir($path);
while (false !== ($file = readdir($handle))) {
if ($file != '.' && $file != '..') {
$path2 = $path . '/' . $file;
if (is_dir($path2)) {
getfiles($path2, $files);
} else {
if (preg_match("/\\.(gif|jpeg|jpg|png|bmp)\$/i", $file)) {
$path2 = str_replace(getServerRootPath(), "", $path2);
$files[] = $path2;
}
}
}
}
return $files;
}
/**
* 远程抓取
* @param $uri
* @param $config
*/
function getRemoteImage($uri, $config)
{
//忽略抓取时间限制
set_time_limit(0);
//ue_separate_ue ue用于传递数据分割符号
$imgUrls = explode("ue_separate_ue", $uri);
$tmpNames = array();
foreach ($imgUrls as $imgUrl) {
//http开头验证
if (strpos($imgUrl, "http") !== 0) {
array_push($tmpNames, "error");
continue;
}
//获取请求头
$heads = get_headers($imgUrl);
//死链检测
if (!(stristr($heads[0], "200") && stristr($heads[0], "OK"))) {
array_push($tmpNames, "error");
continue;
}
//格式验证(扩展名验证和Content-Type验证)
$fileType = strtolower(strrchr($imgUrl, '.'));
if (!in_array($fileType, $config['allowFiles']) || stristr($heads['Content-Type'], "image")) {
array_push($tmpNames, "error");
continue;
}
//打开输出缓冲区并获取远程图片
ob_start();
$context = stream_context_create(array('http' => array('follow_location' => false)));
//请确保php.ini中的fopen wrappers已经激活
readfile($imgUrl, false, $context);
$img = ob_get_contents();
ob_end_clean();
//大小验证
$uriSize = strlen($img);
//得到图片大小
$allowSize = 1024 * $config['maxSize'];
if ($uriSize > $allowSize) {
array_push($tmpNames, "error");
continue;
}
//创建保存位置
$savePath = $config['savePath'];
if (!file_exists($savePath)) {
mkdir("{$savePath}", 0777);
}
//写入文件
$tmpName = $savePath . rand(1, 10000) . time() . strrchr($imgUrl, '.');
try {
$fp2 = @fopen(getServerRootPath() . $tmpName, "a");
fwrite($fp2, $img);
fclose($fp2);
array_push($tmpNames, $tmpName);
} catch (Exception $e) {
array_push($tmpNames, "error");
}
}
/**
* 返回数据格式
* {
* 'url' : '新地址一ue_separate_ue新地址二ue_separate_ue新地址三',
* 'srcUrl': '原始地址一ue_separate_ue原始地址二ue_separate_ue原始地址三'，
* 'tip' : '状态提示'
* }
*/
echo "{'url':'" . implode("ue_separate_ue", $tmpNames) . "','tip':'远程图片抓取成功！','srcUrl':'" . $uri . "'}";
}
/**
* 按照日期自动创建存储文件夹
* @return string
*/
private function getFolder()
{
$pathStr = getServerRootPath() . $this->getRelativePath();
if (!file_exists($pathStr)) {
if (!mkdir($pathStr, 0777, true)) {
return false;
}
}
return $pathStr;
}