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freshrss_ynh/sources/p/f.php
2016-07-24 12:51:49 +02:00

91 lines
2.1 KiB
PHP
Executable file

<?php
require('../constants.php');
include(LIB_PATH . '/Favicon/Favicon.php');
include(LIB_PATH . '/Favicon/DataAccess.php');
require(LIB_PATH . '/http-conditional.php');
$favicons_dir = DATA_PATH . '/favicons/';
$default_favicon = PUBLIC_PATH . '/themes/icons/default_favicon.ico';
/* Télécharge le favicon d'un site et le place sur le serveur */
function download_favicon($website, $dest) {
global $favicons_dir, $default_favicon;
$favicon_getter = new \Favicon\Favicon();
$favicon_getter->setCacheDir($favicons_dir);
$favicon_url = $favicon_getter->get($website);
if ($favicon_url === false) {
return @copy($default_favicon, $dest);
}
$c = curl_init($favicon_url);
curl_setopt($c, CURLOPT_HEADER, false);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_BINARYTRANSFER, true);
$img_raw = curl_exec($c);
$status_code = curl_getinfo($c, CURLINFO_HTTP_CODE);
curl_close($c);
if ($status_code === 200) {
$file = fopen($dest, 'w');
if ($file !== false) {
fwrite($file, $img_raw);
fclose($file);
return true;
}
}
return false;
}
function show_default_favicon($cacheSeconds = 3600) {
global $default_favicon;
header('Content-Disposition: inline; filename="default_favicon.ico"');
$default_mtime = @filemtime($default_favicon);
if (!httpConditional($default_mtime, $cacheSeconds, 2)) {
readfile($default_favicon);
}
}
$id = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '0';
if (!ctype_xdigit($id)) {
$id = '0';
}
$txt = $favicons_dir . $id . '.txt';
$ico = $favicons_dir . $id . '.ico';
$ico_mtime = @filemtime($ico);
$txt_mtime = @filemtime($txt);
header('Content-Type: image/x-icon');
if ($ico_mtime == false || $txt_mtime > $ico_mtime) {
if ($txt_mtime == false) {
show_default_favicon(1800);
return;
}
// no ico file or we should download a new one.
$url = file_get_contents($txt);
if (!download_favicon($url, $ico)) {
// Download failed, show the default favicon
show_default_favicon(86400);
return;
}
}
header('Content-Disposition: inline; filename="' . $id . '.ico"');
if (!httpConditional($ico_mtime, 2592000, 2)) {
readfile($ico);
}