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1<?php
2/**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 *
17 * @file
18 */
19
20namespace MediaWiki\Extension\RealMe;
21
22use MediaWiki\Title\Title;
23use MediaWiki\Utils\UrlUtils;
24use MessageLocalizer;
25
26class Validator {
27
28    public function __construct(
29        private readonly MessageLocalizer $localizer,
30        private readonly UrlUtils $urlUtils,
31    ) {
32    }
33
34    /**
35     * Validate the specified URL, returning errors if necessary
36     */
37    public function checkUrl( string $url ): array {
38        $errors = [];
39        $parsed = $this->urlUtils->parse( $url );
40        if ( !$parsed ) {
41            $errors[] = $this->localizer->msg( 'realme-preference-error-invalid' )
42                ->plaintextParams( $url );
43            return $errors;
44        }
45
46        if ( $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https' ) {
47            $errors[] = $this->localizer->msg( 'realme-preference-error-not-http' )
48                ->plaintextParams( $url, $parsed['scheme'] . $parsed['delimiter'] );
49        }
50
51        return $errors;
52    }
53
54    /**
55     * Validate the specified title, returning errors if necessary
56     */
57    public function checkTitle( string $title ): array {
58        $errors = [];
59        $titleObj = Title::newFromText( $title );
60        if ( $titleObj ) {
61            if ( $titleObj->getPrefixedText() !== $title ) {
62                $errors[] = $this->localizer->msg( 'realme-config-error-canonical' )
63                    ->plaintextParams( $titleObj->getPrefixedText(), $title );
64            }
65        } else {
66            $errors[] = $this->localizer->msg( 'realme-config-error-invalidtitle' )
67                ->plaintextParams( $title );
68        }
69
70        return $errors;
71    }
72}