EasyImages2.0/application/function.php

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PHP
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<?php
require_once __DIR__ . '/../config/base.php';
require_once APP_ROOT . '/config/config.php';
// 判断GIF图片是否为动态
function isAnimatedGif($filename)
{
$fp = fopen($filename, 'rb');
$filecontent = fread($fp, filesize($filename));
fclose($fp);
return strpos($filecontent, chr(0x21) . chr(0xff) . chr(0x0b) . 'NETSCAPE2.0') === FALSE ? 0 : 1;
}
// 校验登录
function checkLogin()
{
global $config;
$md5Pwd = md5($config['password']);
if (isset($_POST['password'])) { // 获取登录密码
$postPW = $_POST['password'];
if ($md5Pwd == $postPW) { // 登录密码正确
setcookie('admin', $postPW, time() + 3600 * 24 * 14, '/');
echo '
<script> new $.zui.Messager("登录成功", {type: "success" // 定义颜色主题
}).show();</script>';
header("refresh:1;"); // 1s后刷新当前页面
} else { // 密码错误
echo '
<script> new $.zui.Messager("密码错误", {type: "danger" // 定义颜色主题
}).show();</script>';
//exit(include __DIR__ . '/login.php');
exit(header("refresh:1;"));
}
} elseif (isset($_COOKIE['admin'])) { // cookie正确
if ($_COOKIE['admin'] == $md5Pwd) {
} else { // cookie错误
echo '
<script> new $.zui.Messager("密码已更改,请重新登录", {type: "special" // 定义颜色主题
}).show();</script>';
//header('loction:login.php');
exit(include __DIR__ . '/login.php');
}
} else { // 无登录无cookie
echo '
<script> new $.zui.Messager("请登录后再上传!", {type: "danger" // 定义颜色主题
}).show();</script>';
//header('loction:login.php');
exit(include __DIR__ . '/login.php');
}
}
// 仅允许登录后上传
function mustLogin()
{
global $config;
if ($config['mustLogin']) {
checkLogin();
}
}
// 检查配置文件中目录是否存在是否可写并创建相应目录
function config_path($path = null)
{
global $config;
// php5.6 兼容写法:
$path = isset($path) ? $path : date('Y/m/d/');
// php7.0 $path = $path ?? date('Y/m/d/');
$img_path = $config['path'] . $path;
if (!is_dir($img_path)) {
@mkdir($img_path, 0755, true);
}
if (!is_writable($img_path)) {
@chmod($img_path, 0755);
}
return $img_path;
}
// 图片命名规则
function imgName()
{
global $config;
$style = $config['imgName'];
function create_guid() // guid生成函数
{
if (function_exists('com_create_guid') === true) {
return trim(com_create_guid(), '{}');
}
return strtolower(sprintf('%04X%04X-%04X-%04X-%04X-%04X%04X%04X', mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(16384, 20479), mt_rand(32768, 49151), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535)));
}
switch ($style) {
case "date": // 以上传时间 例192704
return date("His");
break;
case "unix": // 以Unix时间 例1635074840
return time();
break;
case "uniqid": // 基于以微秒计的当前时间 例6175436c73418
return uniqid(true);
break;
case "guid": // 全球唯一标识符 例6EDAD0CC-AB0C-4F61-BCCA-05FAD65BF0FA
return create_guid();
break;
case "md5": // md5加密时间 例3888aa69eb321a2b61fcc63520bf6c82
return md5(microtime());
break;
case "sha1": // sha1加密微秒 例654faac01499e0cb5fb0e9d78b21e234c63d842a
return sha1(microtime());
break;
default:
return base_convert(date('His') . mt_rand(1024, 9999), 10, 36); // 将上传时间+随机数转换为36进制 例vx77yu
}
}
// 设置广告
function showAD($where)
{
global $config;
switch ($where) {
case 'top':
if ($config['ad_top']) {
include(__DIR__ . '/../public/ad/top.html');
}
break;
case 'bot':
if ($config['ad_bot']) {
include(__DIR__ . '/../public/ad/bottom.html');
}
break;
default:
echo '广告函数出错';
break;
}
}
// 静态文件CDN
function static_cdn()
{
global $config;
if ($config['static_cdn']) {
echo $config['static_cdn_url'];
} else {
echo $config['domain'];
}
}
// 开启tinyfilemanager图片管理
function tinyfilemanager()
{
global $config;
if (!$config['tinyfilemanager']) {
header('Location: ' . $_SERVER["HTTP_REFERER"] . '?manager-closed');
exit;
}
}
/*
// 获取允许上传的扩展名
function getExtensions()
{
global $config;
$mime = '';
for ($i = 0; $i < count($config['extensions']); $i++) {
$mime .= $config['extensions'][$i] . ',';
}
return rtrim($mime, ',');
}
*/
// 获取目录大小 如果目录文件较多将很费时
function getDirectorySize($path)
{
$bytestotal = 0;
$path = realpath($path);
if ($path !== false && $path != '' && file_exists($path)) {
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS)) as $object) {
$bytestotal += $object->getSize();
}
}
return $bytestotal;
}
/**
* 获取指定文件夹文件数量
* @param $dir 传入一个路径如:/apps/web
* @return int 返回文件数量
*/
function getFileNumber($dir)
{
$num = 0;
$arr = glob($dir);
foreach ($arr as $v) {
if (is_file($v)) {
$num++;
} else {
$num += getFileNumber($v . "/*");
}
}
return $num;
}
/*
* 图片展示页面
* getDir()取文件夹列表getFile()取对应文件夹下面的文件列表,二者的区别在于判断有没有“.”后缀的文件,其他都一样
* 获取文件目录列表,该方法返回数组
* 调用方法getDir("./dir")……
*/
function getDir($dir)
{
$dirArray[] = NULL;
if (false != ($handle = opendir($dir))) {
$i = 0;
while (false !== ($file = readdir($handle))) {
//去掉"“.”、“..”以及带“.xxx”后缀的文件
if ($file != "." && $file != ".." && !strpos($file, ".")) {
$dirArray[$i] = $file;
$i++;
}
}
//关闭句柄
closedir($handle);
}
return $dirArray;
}
// 获取文件列表
function getFile($dir)
{
$fileArray[] = NULL;
if (is_dir($dir)) {
if (false != ($handle = opendir($dir))) {
$i = 0;
while (false !== ($file = readdir($handle))) {
//去掉"“.”、“..”以及带“.xxx”后缀的文件
if ($file != "." && $file != ".." && strpos($file, ".")) {
$fileArray[$i] = $file;
if ($i == 100) {
break;
}
$i++;
}
}
//关闭句柄
closedir($handle);
}
}
return $fileArray;
}
/* 递归函数实现遍历指定文件下的目录与文件数量
* 用来统计一个目录下的文件和目录的个数
* echo "目录数为:{$dirn}<br>";
* echo "文件数为:{$filen}<br>";
*/
function getdirnum($file)
{
$dirn = 0; //目录数
$filen = 0; //文件数
$dir = opendir($file);
while ($filename = readdir($dir)) {
if ($filename != "." && $filename != "..") {
$filename = $file . "/" . $filename;
if (is_dir($filename)) {
$dirn++;
getdirnum($filename);
//递归,就可以查看所有子目录
} else {
$filen++;
}
}
}
closedir($dir);
}
/* 把文件或目录的大小转化为容易读的方式
* disk_free_space - 磁盘可用空间(比如填写D盘某文件夹则会现在D盘剩余空间
* disk_total_space — 磁盘总空间(比如填写D盘某文件夹则会现在D盘总空间
*/
function getDistUsed($number)
{
$dw = ''; // 指定文件或目录统计的单位方式
if ($number > pow(2, 30)) {
$dw = "GB";
$number = round($number / pow(2, 30), 2);
} else if ($number > pow(2, 20)) {
$dw = "MB";
$number = round($number / pow(2, 20), 2);
} else if ($number > pow(2, 10)) {
$dw = "KB";
$number = round($number / pow(2, 10), 2);
} else {
$dw = "bytes";
}
return $number . $dw;
}
// 根据url填写active
function getActive($url)
{
$arr = $_SERVER['SCRIPT_NAME'];
if (strpos($arr, $url)) {
return 'active';
} else {
return '';
}
}
/**
* 加密/解密图片路径
* @param string $data 要加密的内容
* @param int $mode =1或0 1解密 0加密
*
*/
function urlHash($data, $mode)
{
global $config;
$key = $config['password'];
$iv = 'sciCuBC7orQtDhTO';
if ($mode) {
$decode = openssl_decrypt(base64_decode($data), "AES-128-CBC", $key, 0, $iv);
return $decode;
} else {
$encode = base64_encode(openssl_encrypt($data, "AES-128-CBC", $key, 0, $iv));
return $encode;
}
}
// 删除指定文件
function getDel($url, $type)
{
global $config;
// url本地化
$url = htmlspecialchars(str_replace($config['imgurl'], '', $url)); // 过滤html 获取url path
$url = urldecode(trim($url));
if ($type == 'url') {
$url = $_SERVER['DOCUMENT_ROOT'] . $url;
}
if ($type == 'hash') {
$url = APP_ROOT . $url;
}
// 文件是否存在
if (is_file($url)) {
// 执行删除
if (@unlink($url)) {
echo '
<script>
new $.zui.Messager("删除成功请刷新浏览器如果开启了CDN请等待缓存失效!", {type: "success" // 定义颜色主题
}).show();
// 延时2s跳转
// window.setTimeout("window.location=\'/../ \'",3500);
</script>
';
} else {
echo '
<script>
new $.zui.Messager("删除失败", {type: "black" // 定义颜色主题
}).show();
</script>
';
}
} else {
echo '
<script>
new $.zui.Messager("文件不存在", {type: "danger" // 定义颜色主题
}).show();
</script>
';
}
// 清除查询
clearstatcache();
}
// 获取登录状态
function is_online()
{
global $config;
$md5Pwd = md5($config['password']);
if (empty($_COOKIE['admin']) || $_COOKIE['admin'] != $md5Pwd) {
echo false;
} else {
return true;
}
}
/**
* 检查PHP缺少简单图床必备的扩展
* 需检测的扩展:'fileinfo', 'iconv', 'gd', 'mbstring', 'openssl','zip',
* zip 扩展不是必须的但会影响tinyfilemanager文件压缩(本次不检测)。
*
* 检测是否更改默认域名
*
* 检测是否修改默认密码
*/
function checkEnv($mode)
{
// 初始化安装
if (!file_exists(APP_ROOT . '/install/install.lock') and file_exists(APP_ROOT . '/install/install.php')) {
echo '<script type="text/javascript">window.location.href="' . get_whole_url('/') . '/install/index.php"</script>';
exit;
}
if ($mode) {
require_once __DIR__ . '/check.php';
}
}
// 前端改变图片长宽
function imgRatio()
{
global $config;
if ($config['imgRatio']) {
if ($config['imgRatio_crop'] === 1) {
$imgRatio_crop = 'true';
} else {
$imgRatio_crop = 'false';
}
if ($config['imgRatio_preserve_headers'] === 1) {
$imgRatio_preserve_headers = 'true';
} else {
$imgRatio_preserve_headers = 'false';
}
if ($config['image_x'] != 0) {
$image_x = "width:" . $config['image_x'];
} else {
$image_x = null;
}
if ($config['image_y'] != 0) {
$image_y = "height:" . $config['image_y'];
} else {
$image_y = null;
}
return '
resize:{
' . $image_x . ',
' . $image_y . ',
crop: ' . $imgRatio_crop . ',
quality:' . $config['imgRatio_quality'] . ',
preserve_headers: ' . $imgRatio_preserve_headers . ',
}';
} else {
return "file_data_name:'file'";
}
}
/**
* 定时获取GitHub 最新版本
*/
function getVersion()
{
global $config;
if ($config['checkEnv']) {
require_once APP_ROOT . '/application/class.version.php';
// 获取版本地址
$url = "https://api.github.com/repositories/188228357/releases/latest";
$getVersion = new getVerson($url);
$now = date('dH'); // 当前日期时间
$get_ver_day = array('1006', '2501'); // 检测日期的时间
foreach ($get_ver_day as $day) {
if (empty($getVersion->readJson())) { // 不存在就下载
$getVersion->downJson();
} else if ($day == $now) { // 是否在需要更新的日期
$getVersion->downJson();
/*
} elseif ($config['version'] == $getVersion->readJson()) { // 版本相同不提示
return null;
*/
} else { // 返回版本
return $getVersion->readJson();
}
}
} else {
return null;
}
}
// 删除非空目录
function deldir($dir)
{
if (file_exists($dir)) {
$files = scandir($dir);
foreach ($files as $file) {
if ($file != '.' && $file != '..') {
$path = $dir . '/' . $file;
if (is_dir($path)) {
deldir($path);
} else {
unlink($path);
}
}
}
rmdir($dir);
return true;
} else {
return false;
}
}
// curl访问网站并返回解码过的json信息
function moderatecontent_json($img)
{
global $config;
if (empty($config['moderatecontent_key'])) {
exit;
}
$url = 'https://api.moderatecontent.com/moderate/?key=' . $config['moderatecontent_key'] . '&url=' . $img;
$headerArray = array("Content-type:application/json;", "Accept:application/json");
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headerArray);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36');
$output = curl_exec($ch);
curl_close($ch);
$output = json_decode($output, true);
return $output;
}
// 检查图片是否违规
function checkImg($imageUrl)
{
global $config;
$response = moderatecontent_json($imageUrl);
if ($response['rating_index'] == 3 or $response['predictions']['adult'] > $config['checkImg_value']) { // (1 = everyone, 2 = teen, 3 = adult)
//$old_path = APP_ROOT . parse_url($imageUrl)['path']; // 提交网址中的文件路径 /i/2021/10/29/p8vypd.png
$old_path = APP_ROOT . str_replace($config['imgurl'], '', $imageUrl); // 提交网址中的文件路径 /i/2021/10/29/p8vypd.png
$name = date('Y_m_d') . '_' . basename($imageUrl); // 文件名 2021_10_30_p8vypd.png
$new_path = APP_ROOT . $config['path'] . 'suspic/' . $name; // 新路径含文件名
$cache_dir = APP_ROOT . $config['path'] . 'suspic/'; // suspic路径
if (is_dir($cache_dir)) { // 创建suspic目录并移动
rename($old_path, $new_path);
} else {
mkdir($cache_dir, 0777, true);
rename($old_path, $new_path);
}
}
}
// 还原被审查的图片
function re_checkImg($name)
{
global $config;
$fileToPath = str_replace('_', '/', $name); // 将图片名称还原为带路径的名称eg:2021_11_03_pbmn1a.jpg =>2021/11/03/pbmn1a.jpg
$now_path_file = APP_ROOT . $config['path'] . 'suspic/' . $name; // 当前图片绝对位置 */i/suspic/2021_10_30_p8vypd.png
$to_file = APP_ROOT . $config['path'] . $fileToPath; // 要还原图片的绝对位置 */i/2021/10/30/p8vypd.png
rename($now_path_file, $to_file);
}
// 创建缩略图
function creat_thumbnail_images($imgName)
{
require_once __DIR__ . '/class.thumb.php';
global $config;
$old_img_path = APP_ROOT . config_path() . $imgName; // 获取要创建缩略图文件的绝对路径
$cache_path = APP_ROOT . $config['path'] . 'thumbnails/'; // cache目录的绝对路径
if (!is_dir($cache_path)) { // 创建cache目录
mkdir($cache_path, 0777, true);
}
if (!isAnimatedGif($old_img_path)) { // 仅针对非gif创建图片缩略图
$new_imgName = APP_ROOT . $config['path'] . 'thumbnails/' . date('Y_m_d') . '_' . $imgName; // 缩略图缓存的绝对路径
Thumb::out($old_img_path, $new_imgName, 300, 300); // 保存缩略图
}
}
// 根据请求网址路径返回缩略图网址
function return_thumbnail_images($url)
{
global $config;
$cache_image_file = str_replace($config['imgurl'], '', $url);
if (isAnimatedGif(APP_ROOT . $cache_image_file)) { // 仅读取非gif的缩略图
return $url; // 如果是gif则直接返回url
} else {
$cache_image_file = str_replace($config['path'], '', $cache_image_file); // 将网址中的/i/去除
$cache_image_file = str_replace('/', '_', $cache_image_file); // 将文件的/转换为_
$isFile = APP_ROOT . $config['path'] . 'thumbnails/' . $cache_image_file; // 缓存文件的绝对路径
if (file_exists($isFile)) { // 缓存文件是否存在
return $config['imgurl'] . $config['path'] . 'thumbnails/' . $cache_image_file; // 存在则返回缓存文件
} else {
return $url; // 不存在直接返回url
}
}
}
/**
* 获取当前页面完整URL地址
* 返回 http://localhost/ww/index.php
* https://www.php.cn/php-weizijiaocheng-28181.html
* $search 返回指定搜索文字之前的内容(不含搜索文字)
*/
function get_whole_url($search = null)
{
$sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
$php_self = $_SERVER['SCRIPT_NAME'] ? $_SERVER['SCRIPT_NAME'] : $_SERVER['SCRIPT_NAME'];
$path_info = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
$relate_url = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : $php_self . (isset($_SERVER['QUERY_STRING']) ? '?' . $_SERVER['QUERY_STRING'] : $path_info);
$whole_domain = $sys_protocal . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '') . $relate_url;
if ($search) {
// 返回指定符号之前
return substr($whole_domain, 0, strrpos($whole_domain, $search));
} else {
return $whole_domain;
}
}
//写入
function cache_write($filename, $values, $var = 'config', $format = false)
{
$cachefile = $filename;
$cachetext = "<?php\r\n" . '$' . $var . '=' . arrayeval($values, $format) . ";";
return writefile($cachefile, $cachetext);
}
//数组转换成字串
function arrayeval($array, $format = false, $level = 0)
{
$space = $line = '';
if (!$format) {
for ($i = 0; $i <= $level; $i++) {
$space .= "\t";
}
$line = "\n";
}
$evaluate = 'Array' . $line . $space . '(' . $line;
$comma = $space;
foreach ($array as $key => $val) {
$key = is_string($key) ? '\'' . addcslashes($key, '\'\\') . '\'' : $key;
$val = !is_array($val) && (!preg_match('/^\-?\d+$/', $val) || strlen($val) > 12) ? '\'' . addcslashes($val, '\'\\') . '\'' : $val;
if (is_array($val)) {
$evaluate .= $comma . $key . '=>' . arrayeval($val, $format, $level + 1);
} else {
$evaluate .= $comma . $key . '=>' . $val;
}
$comma = ',' . $line . $space;
}
$evaluate .= $line . $space . ')';
return $evaluate;
}
//写入文件
function writefile($filename, $writetext, $openmod = 'w')
{
if (false !== $fp = fopen($filename, $openmod)) {
flock($fp, 2);
fwrite($fp, $writetext);
fclose($fp);
return true;
} else {
return false;
}
}
function get_online_thumbnail($imgUrl)
{
global $config;
if ($config['thumbnail']) {
$imgUrl = str_replace($config['imgurl'], '', $imgUrl);
return $config['domain'] . '/application/thumb.php?img=' . $imgUrl . '&width=300&height=300';
} else {
return $imgUrl;
}
}