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Code Issues Releases Wiki Activity

refactor: general code base refactor (#2950)

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* refactor

* fix: bug in previous refactor

* chore: exclude phpcompat sniff due to bug in phpcompat

* fix: do not leak absolute paths

* refactor/fix: batch extensions checking, fix DOS issue
This commit is contained in:
Dag
2022-08-06 22:46:28 +02:00
committed by GitHub
parent b042412416
commit 2bbce8ebef
45 changed files with 679 additions and 827 deletions
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72
lib/contents.php
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@@ -1,9 +1,5 @@
<?php
final class HttpException extends \Exception
{
}
// todo: move this somewhere useful, possibly into a function
const RSSBRIDGE_HTTP_STATUS_CODES = [
'100' => 'Continue',
@@ -128,7 +124,8 @@ function getContents(
}
$cache->saveData($result['body']);
break;
case 304: // Not Modified
case 304:
// Not Modified
$response['content'] = $cache->loadData();
break;
default:
@@ -379,68 +376,3 @@ function getSimpleHTMLDOMCached(
$defaultSpanText
);
}
/**
* Determines the MIME type from a URL/Path file extension.
*
* _Remarks_:
*
* * The built-in functions `mime_content_type` and `fileinfo` require fetching
* remote contents.
* * A caller can hint for a MIME type by appending `#.ext` to the URL (i.e. `#.image`).
*
* Based on https://stackoverflow.com/a/1147952
*
* @param string $url The URL or path to the file.
* @return string The MIME type of the file.
*/
function getMimeType($url)
{
static $mime = null;
if (is_null($mime)) {
// Default values, overriden by /etc/mime.types when present
$mime = [
'jpg' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'image' => 'image/*',
'mp3' => 'audio/mpeg',
];
// '@' is used to mute open_basedir warning, see issue #818
if (@is_readable('/etc/mime.types')) {
$file = fopen('/etc/mime.types', 'r');
while (($line = fgets($file)) !== false) {
$line = trim(preg_replace('/#.*/', '', $line));
if (!$line) {
continue;
}
$parts = preg_split('/\s+/', $line);
if (count($parts) == 1) {
continue;
}
$type = array_shift($parts);
foreach ($parts as $part) {
$mime[$part] = $type;
}
}
fclose($file);
}
}
if (strpos($url, '?') !== false) {
$url_temp = substr($url, 0, strpos($url, '?'));
if (strpos($url, '#') !== false) {
$anchor = substr($url, strpos($url, '#'));
$url_temp .= $anchor;
}
$url = $url_temp;
}
$ext = strtolower(pathinfo($url, PATHINFO_EXTENSION));
if (!empty($mime[$ext])) {
return $mime[$ext];
}
return 'application/octet-stream';
}