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proxy: Simplify url extension extraction

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This commit is contained in:
Hypolite Petovan 2016-12-20 15:14:43 -05:00
parent 403d1f987f
commit 6e929934c5
1 changed files with 2 additions and 9 deletions
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11
mod/proxy.php
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@ -281,15 +281,8 @@ function proxy_url($url, $writemode = false, $size = '') {
$longpath .= '/' . strtr(base64_encode($url), '+/', '-_');
// Extract the URL extension, disregarding GET parameters starting with ?
$question_mark_pos = strpos($url, '?');
if ($question_mark_pos === false) {
$question_mark_pos = strlen($url);
}
$dot_pos = strrpos($url, '.', $question_mark_pos - strlen($url));
if ($dot_pos !== false) {
$extension = strtolower(substr($url, $dot_pos + 1, $question_mark_pos - ($dot_pos + 1)));
}
// Extract the URL extension
$extension = pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION);
$extensions = array('jpg', 'jpeg', 'gif', 'png');
if (in_array($extension, $extensions)) {