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6da86428c4
Includes PHPDoc license tag in the file-level block with accompanying copyright notice. Also added an AUTHORS file on the off chance of outside contributions
36 lines
No EOL
1.2 KiB
PHP
36 lines
No EOL
1.2 KiB
PHP
<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse\REST\TinyTinyRSS;
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use JKingWeb\Arsse\Arsse;
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use JKingWeb\Arsse\REST\Response;
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class Icon extends \JKingWeb\Arsse\REST\AbstractHandler {
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public function __construct() {
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}
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public function dispatch(\JKingWeb\Arsse\REST\Request $req): Response {
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if ($req->method != "GET") {
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// only GET requests are allowed
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return new Response(405, "", "", ["Allow: GET"]);
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} elseif (!preg_match("<^(\d+)\.ico$>", $req->url, $match) || !((int) $match[1])) {
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return new Response(404);
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}
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$url = Arsse::$db->subscriptionFavicon((int) $match[1]);
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if ($url) {
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// strip out anything after literal line-end characters; this is to mitigate a potential header (e.g. cookie) injection from the URL
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if (($pos = strpos($url, "\r")) !== FALSE || ($pos = strpos($url, "\n")) !== FALSE) {
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$url = substr($url, 0, $pos);
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}
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return new Response(301, "", "", ["Location: $url"]);
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} else {
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return new Response(404);
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}
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}
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} |