simplyFavicon/_public.php

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<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
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#
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# This file is part of simplyFavicon, a plugin for Dotclear 2.
#
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# Copyright (c) 2009-2021 Jean-Christian Denis and contributors
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#
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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#
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# -- END LICENSE BLOCK ------------------------------------
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if (!defined('DC_RC_PATH')){
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return;
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}
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$core->addBehavior('publicHeadContent', ['publicSimplyFavicon', 'publicHeadContent']);
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class publicSimplyFavicon extends dcUrlHandlers
{
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public static $mimetypes = array(
'ico' => 'image/x-icon',
'png' => 'image/png',
'bmp' => 'image/bmp',
'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'mng' => 'video/x-mng'
);
public static function simplyFaviconUrl($arg)
{
global $core;
$mimetypes = self::$mimetypes;
$public_path = path::real(path::fullFromRoot($core->blog->settings->system->public_path, DC_ROOT)) . '/favicon.';
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if (!$core->blog->settings->system->simply_favicon
|| empty($arg)
|| !array_key_exists($arg, $mimetypes)
|| file_exists($public_path . 'favicon' . $arg)
) {
throw new Exception ("Page not found", 404);
}
else {
header('Content-Type: ' . $mimetypes[$arg] . ';');
readfile($public_path . $arg);
exit;
}
}
public static function publicHeadContent($core)
{
if (!$core->blog->settings->system->simply_favicon){
return;
}
$mimetypes = self::$mimetypes;
$public_path = path::real(path::fullFromRoot($core->blog->settings->system->public_path, DC_ROOT)) . '/favicon.';
$public_url = $core->blog->url.$core->url->getBase('simplyFavicon') . '.';
// ico : IE6
if (file_exists($public_path . 'ico') && '?' != substr($core->blog->url, -1)) {
echo
'<link rel="SHORTCUT ICON" type="image/x-icon" href="' . $public_url . 'ico" />' . "\n";
}
// png: apple and others
if (file_exists($public_path . 'png')) {
echo
'<link rel="apple-touch-icon" href="' . $public_url . 'png" />' . "\n" .
'<link rel="icon" type="image/png" href="' . $public_url . 'png" />' . "\n";
}
// all others
else {
foreach($mimetypes as $ext => $mime)
{
if (file_exists($public_path . $ext)) {
echo
'<link rel="icon" type="' . $mime . '" href="' . $public_url . $ext . '" />' . "\n";
break;
}
}
}
}
}