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getFavicon
mirror of https://github.com/owen0o0/getFavicon
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20241218

master
owen 2024-12-18 16:55:22 +08:00
parent 03ee62443e
commit dc16836ec4
3 changed files with 154 additions and 129 deletions
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27
Favicon.php
View File

@ -187,7 +187,8 @@ class Favicon
return array(
'X-Robots-Tag: noindex, nofollow',
'Content-type: image/x-icon',
'Cache-Control: public, max-age=604800'
'Cache-Control: public, max-age=86400',
'Expires: ' . gmdate('D, d M Y H:i:s', time() + 86400) . ' GMT'
);
}
@ -347,16 +348,15 @@ class Favicon
*/
$parsed_url = parse_url($url);
if (!isset($parsed_url['host']) || !$parsed_url['host']) {
if ($parsed_url === false || !isset($parsed_url['host']) || !$parsed_url['host']) {
//在URL的前面加上http://
// add the prefix
if (!preg_match('/^https?:\/\/.*/', $url))
$url = 'http://' . $url;
//解析URL并将结果保存到 $this->url
$parsed_url = parse_url($url);
if ($parsed_url == FALSE) {
return FALSE;
if ($parsed_url === false) {
return false;
} else {
/**
* 能成功解析的话就可以设置原始URL为这个添加过http://前缀的URL
@ -472,6 +472,12 @@ class Favicon
private function getFile($url, $isimg = false, $timeout = 2)
{
$ch = curl_init($url);
//添加以下设置：
curl_setopt($ch, CURLOPT_TIMEOUT, 5);//设置总体超时5秒
curl_setopt($ch, CURLOPT_NOSIGNAL, 1);//在多线程下使用超时选项
curL_setopt($ch, CURLOPT_TCP_NODELAY, 1);//不延迟传输
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
/*
* 2019-06-20
@ -493,6 +499,11 @@ class Favicon
$ret = $this->curlExecFollow($ch, 2);
if ($isimg) {
$img_info = @getimagesize($url);
if (empty($img_info)) {
$ret = '';
$this->_log_message("不是图片：{$url}");
}
$mime = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
$mimeArray = explode('/', $mime);
}
@ -506,7 +517,8 @@ class Favicon
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$arr = array(
'status' => ($status >= 200 && $status <= 299) ? 'OK' : 'FAIL',
'code' => $status,
'status' => ($status >= 200 && $status <= 399) ? "OK" : "FAIL",
'data' => $ret,
'real_url' => curl_getinfo($ch, CURLINFO_EFFECTIVE_URL)
);
@ -531,7 +543,8 @@ class Favicon
* @param int $maxredirect 最大允许的重定向次数
* @return string
*/
private function curlExecFollow( &$ch, $maxredirect = null) {
private function curlExecFollow(&$ch, $maxredirect = null)
{
$mr = $maxredirect === null ? 5 : intval($maxredirect);
if (ini_get('open_basedir') == '' && ini_get('safe_mode' == 'Off')) {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, $mr > 0);

6
config.php Normal file
View File

@ -0,0 +1,6 @@
<?php
define( 'CACHE_DIR', 'cache' ); //缓存目录
define( 'HASH_KEY', 'iowen' ); //加密密钥, 请修改并勿泄露
define( 'DEFAULT_ICO', 'favicon.png' ); //默认图标路径
define( 'EXPIRE', 2592000 ); //缓存有效期30天, 单位为:秒，为0时不缓存

108
get.php
View File

@ -2,28 +2,30 @@
/**
* getFavicon
* @author 一为
* @date 2019-11-27
* @date 2024-12-18
* @link https://www.iowen.cn
* @version 1.2.0
* @version 1.2.1
*/
if( !isset($_GET['url'])){
return http_response_code(404);
}
require "./config.php"; // 配置文件
require "./Favicon.php";
$favicon = new \Jerrybendy\Favicon\Favicon;
$cache_dir = CACHE_DIR;
$hash_key = HASH_KEY;
$defaultIco = DEFAULT_ICO;
$expire = EXPIRE;
/* ------ 参数设置 ------ */
$defaultIco='favicon.png'; //默认图标路径
$expire = 2592000; //缓存有效期30天, 单位为:秒，为0时不缓存
/* ------ 参数设置 ------ */
// 如果 HASH_KEY == iowen 则生成一个随机字符串，并更新config.php文件
if (HASH_KEY == 'iowen') {
$hash_key = substr(hash('sha256', uniqid()), 0, 16);
file_put_contents('./config.php', str_replace('iowen', $hash_key, file_get_contents('./config.php')));
}
/**
* 设置默认图标
@ -45,17 +47,19 @@ if($formatUrl){
exit;
} else {
$defaultMD5 = md5(file_get_contents($defaultIco));
$cache = new Cache($hash_key, $cache_dir);
/**
* 2023-02-20
* 增加刷新缓存参数：refresh=true 如：https://域名?url=www.iowen.cn&refresh=true
*/
if (!isset($_GET['refresh']) || (isset($_GET['refresh']) && $_GET['refresh'] != 'true')) {
$data = Cache::get($formatUrl,$defaultMD5,$expire);
$data = $cache->get($formatUrl, $defaultMD5, $expire);
if ($data !== NULL) {
foreach ($favicon->getHeader() as $header) {
@header($header);
}
header('X-Cache-Type: IO');
echo $data;
exit;
}
@ -64,13 +68,9 @@ if($formatUrl){
/**
* 缓存中没有指定的内容时, 重新获取内容并缓存起来
*/
$content = $favicon->getFavicon($formatUrl, TRUE);
$content = $favicon->getFavicon($formatUrl, true);
if( md5($content) == $defaultMD5 ){
$expire = 43200; //如果返回默认图标，设置过期时间为12小时。Cache::get 方法中需同时修改
}
Cache::set($formatUrl, $content, $expire);
$cache->set($formatUrl, $content);
foreach ($favicon->getHeader() as $header) {
@header($header);
@ -88,64 +88,70 @@ if($formatUrl){
*/
class Cache
{
public $dir = 'cache'; //图标缓存目录
public $hash_key = 'iowen'; // 哈希密钥
public function __construct($hash_key, $dir = 'cache')
{
$this->hash_key = $hash_key;
$this->dir = $dir;
}
/**
* 获取缓存的值, 不存在时返回 null
*
* @param $key
* @param $default 默认图片
* @param $expire 过期时间
* @return string
* @param string $key 缓存键(URL)
* @param string $default 默认图片
* @param int $expire 过期时间
* @return mixed
*/
public static function get($key, $default, $expire)
public function get($key, $default, $expire)
{
$dir = 'cache'; //图标缓存目录
$host = strtolower(parse_url($key)['host']);
$hash = substr(hash_hmac('sha256', $host, $this->hash_key), 8, 16);
$f = $host . '_' . $hash . '.txt';
$path = $this->dir . '/' . $f;
//$f = md5( strtolower( $key ) );
$f = parse_url($key)['host'];
$a = $dir . '/' . $f . '.txt';
if(is_file($a)){
$data = file_get_contents($a);
if (is_file($path)) {
$data = file_get_contents($path);
if (md5($data) == $default) {
$expire = 43200; //如果返回默认图标，过期时间为12小时。
}
if( (time() - filemtime($a)) > $expire ){
if ((time() - filemtime($path)) > $expire) {
return null;
}
else{
} else {
return $data;
}
}
else{
} else {
return null;
}
}
/**
* 设置缓存
* 保存图标到缓存目录
*
* @param $key
* @param $value
* @param $expire 过期时间
* @param string $key 缓存键(URL)
* @param string $value 缓存值(图标)
*/
public static function set($key, $value, $expire)
public function set($key, $value)
{
$dir = 'cache'; //图标缓存目录
//$f = md5( strtolower( $key ) );
$f = parse_url($key)['host'];
$a = $dir . '/' . $f . '.txt';
//如果缓存目录不存在则创建
if (!is_dir($dir)) mkdir($dir,0777,true) or die('创建缓存目录失败！');
if (!is_dir($this->dir)) {
mkdir($this->dir, 0755, true) or die('创建缓存目录失败！');
}
if ( !is_file($a) || (time() - filemtime($a)) > $expire ) {
$imgdata = fopen($a, "w") or die("Unable to open file!"); //w 重写 a追加
$host = strtolower(parse_url($key)['host']);
$hash = substr(hash_hmac('sha256', $host, $this->hash_key), 8, 16);
$f = $host . '_' . $hash . '.txt';
$path = $this->dir . '/' . $f;
$imgdata = fopen($path, "w") or die("Unable to open file!");
if (flock($imgdata, LOCK_EX)) { // 获取排他锁
fwrite($imgdata, $value);
flock($imgdata, LOCK_UN); // 释放锁
}
fclose($imgdata);
clearstatcache();
}
}
}