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7584364a4c
If url is not find, we copy default favicon into favicon dir so at the next try, we don't search the url again. See https://github.com/FreshRSS/FreshRSS/issues/290 See https://github.com/FreshRSS/FreshRSS/issues/727
86 lines
1.9 KiB
PHP
86 lines
1.9 KiB
PHP
<?php
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require('../constants.php');
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include(LIB_PATH . '/Favicon/Favicon.php');
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include(LIB_PATH . '/Favicon/DataAccess.php');
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$favicons_dir = DATA_PATH . '/favicons/';
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$default_favicon = PUBLIC_PATH . '/themes/icons/default_favicon.ico';
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/* Télécharge le favicon d'un site et le place sur le serveur */
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function download_favicon($website, $dest) {
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global $favicons_dir, $default_favicon;
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$favicon_getter = new \Favicon\Favicon();
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$favicon_getter->setCacheDir($favicons_dir);
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$favicon_url = $favicon_getter->get($website);
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if ($favicon_url === false) {
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return @copy($default_favicon, $dest);
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}
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$c = curl_init($favicon_url);
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curl_setopt($c, CURLOPT_HEADER, false);
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curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($c, CURLOPT_BINARYTRANSFER, true);
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$img_raw = curl_exec($c);
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$status_code = curl_getinfo($c, CURLINFO_HTTP_CODE);
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curl_close($c);
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if ($status_code === 200) {
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$file = fopen($dest, 'w');
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if ($file !== false) {
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fwrite($file, $img_raw);
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fclose($file);
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return true;
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}
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}
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return false;
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}
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function show_default_favicon() {
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global $default_favicon;
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header('HTTP/1.1 404 Not Found');
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header('Content-Type: image/ico');
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readfile($default_favicon);
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die();
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}
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$id = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '0';
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if (!ctype_xdigit($id)) {
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$id = '0';
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}
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$txt = $favicons_dir . $id . '.txt';
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$ico = $favicons_dir . $id . '.ico';
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$ico_mtime = @filemtime($ico);
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$txt_mtime = @filemtime($txt);
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if (($ico_mtime == false) || ($txt_mtime > $ico_mtime)) {
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if ($txt_mtime == false) {
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show_default_favicon();
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}
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$url = file_get_contents($txt);
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if (!download_favicon($url, $ico)) {
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show_default_favicon();
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}
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}
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require(LIB_PATH . '/http-conditional.php');
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header('Content-Type: image/x-icon');
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header('Content-Disposition: inline; filename="' . $id . '.ico"');
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if (!httpConditional($ico_mtime, 2592000, 2)) {
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readfile($ico);
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}
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