xref: /dokuwiki/lib/exe/manifest.php (revision 6f8582363c4b84eb5db1b587f9ad46df9a194159) 
1<?php
2
3if (!defined('DOKU_INC')) {
4    define('DOKU_INC', __DIR__ . '/../../');
5}
6require_once(DOKU_INC . 'inc/init.php');
7
8class Manifest {
9    public function run() {
10        $manifest = retrieveConfig('manifest', [$this, 'jsonToArray']);
11
12        global $conf;
13
14        if (empty($manifest['name'])) {
15            $manifest['name'] = $conf['title'];
16        }
17
18        if (empty($manifest['short_name'])) {
19            $manifest['short_name'] = $conf['title'];
20        }
21
22        if (empty($manifest['description'])) {
23            $manifest['description'] = $conf['tagline'];
24        }
25
26        if (empty($manifest['start_url'])) {
27            $manifest['start_url'] = DOKU_REL;
28        }
29
30        $styleUtil = new \dokuwiki\StyleUtils();
31        $styleIni = $styleUtil->cssStyleini($conf['template']);
32        $replacements = $styleIni['replacements'];
33
34        if (empty($manifest['background_color'])) {
35            $manifest['background_color'] = $replacements['__background__'];
36        }
37
38        if (empty($manifest['theme_color'])) {
39            $manifest['theme_color'] = !empty($replacements['__theme_color__']) ? $replacements['__theme_color__'] : $replacements['__background_alt__'];
40        }
41
42        if (empty($manifest['icons'])) {
43            $manifest['icons'] = [];
44            $look = [
45                ':wiki:logo.png',
46                ':logo.png',
47                'images/logo.png',
48                ':wiki:apple-touch-icon.png',
49                ':apple-touch-icon.png',
50                'images/apple-touch-icon.png',
51                ':wiki:favicon.svg',
52                ':favicon.svg',
53                'images/favicon.svg',
54                ':wiki:favicon.ico',
55                ':favicon.ico',
56                'images/favicon.ico',
57                ':wiki:logo',
58            ];
59
60            $abs = true;
61            foreach($look as $img) {
62                if($img[0] === ':') {
63                    $file    = mediaFN($img);
64                    $ismedia = true;
65                } else {
66                    $file    = tpl_incdir().$img;
67                    $ismedia = false;
68                }
69
70                if (file_exists($file)) {
71                    $imginfo = getimagesize($file);
72                    if($ismedia) {
73                        $url = ml($img, '', true, '', $abs);
74                    } else {
75                        $url = tpl_basedir().$img;
76                        if($abs) $url = DOKU_URL.substr($url, strlen(DOKU_REL));
77                    }
78                    $manifest['icons'][] = [
79                        'src' => $url,
80                        'sizes' => $imginfo[0] . 'x' . $imginfo[1],
81                        'type' => $imginfo['mime'],
82                    ];
83                };
84            }
85        }
86
87        trigger_event('MANIFEST_SEND', $manifest);
88
89        header('Content-Type: application/manifest+json');
90        echo json_encode($manifest);
91    }
92
93    public function jsonToArray($file)
94    {
95        $json = file_get_contents($file);
96
97        $conf = json_decode($json, true);
98
99        $jsonError = json_last_error();
100        if (!is_array($conf) && $jsonError !== JSON_ERROR_NONE) {
101
102            switch ($jsonError) {
103                case JSON_ERROR_DEPTH:
104                    $jsonErrorText = 'The maximum stack depth has been exceeded';
105                    break;
106                case JSON_ERROR_STATE_MISMATCH:
107                    $jsonErrorText = 'Invalid or malformed JSON';
108                    break;
109                case JSON_ERROR_CTRL_CHAR:
110                    $jsonErrorText = 'Control character error, possibly incorrectly encoded';
111                    break;
112                case JSON_ERROR_SYNTAX:
113                    $jsonErrorText = 'Syntax error';
114                    break;
115                case JSON_ERROR_UTF8:
116                    $jsonErrorText = 'Malformed UTF-8 characters, possibly incorrectly encoded';
117                    break;
118                case JSON_ERROR_RECURSION:
119                    $jsonErrorText = 'One or more recursive references in the value to be encoded';
120                    break;
121                case JSON_ERROR_INF_OR_NAN:
122                    $jsonErrorText = 'One or more NAN or INF values in the value to be encoded';
123                    break;
124                case JSON_ERROR_UNSUPPORTED_TYPE:
125                    $jsonErrorText = 'A value of a type that cannot be encoded was given';
126                    break;
127                case JSON_ERROR_INVALID_PROPERTY_NAME:
128                    $jsonErrorText = 'A property name that cannot be encoded was given';
129                    break;
130                case JSON_ERROR_UTF16:
131                    $jsonErrorText = 'Malformed UTF-16 characters, possibly incorrectly encoded';
132                    break;
133                default:
134                    $jsonErrorText = 'Unknown Error Code';
135            }
136
137            trigger_error('JSON decoding error "' . $jsonErrorText . '" for file ' . $file, E_USER_WARNING);
138            return [];
139        }
140
141        return $conf;
142    }
143}
144
145$manifest = new Manifest();
146$manifest->run();
147