xref: /dokuwiki/lib/exe/manifest.php (revision 10b4c8435636e679868d7659f1dd1e2031018364) 
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        $manifest['scope'] = DOKU_REL;
15
16        if (empty($manifest['name'])) {
17            $manifest['name'] = $conf['title'];
18        }
19
20        if (empty($manifest['short_name'])) {
21            $manifest['short_name'] = $conf['title'];
22        }
23
24        if (empty($manifest['description'])) {
25            $manifest['description'] = $conf['tagline'];
26        }
27
28        if (empty($manifest['start_url'])) {
29            $manifest['start_url'] = DOKU_REL;
30        }
31
32        $styleUtil = new \dokuwiki\StyleUtils();
33        $styleIni = $styleUtil->cssStyleini($conf['template']);
34        $replacements = $styleIni['replacements'];
35
36        if (empty($manifest['background_color'])) {
37            $manifest['background_color'] = $replacements['__background__'];
38        }
39
40        if (empty($manifest['theme_color'])) {
41            $manifest['theme_color'] = !empty($replacements['__theme_color__']) ? $replacements['__theme_color__'] : $replacements['__background_alt__'];
42        }
43
44        if (empty($manifest['icons'])) {
45            $manifest['icons'] = [];
46            $look = [
47                ':wiki:logo.png',
48                ':logo.png',
49                'images/logo.png',
50                ':wiki:apple-touch-icon.png',
51                ':apple-touch-icon.png',
52                'images/apple-touch-icon.png',
53                ':wiki:favicon.svg',
54                ':favicon.svg',
55                'images/favicon.svg',
56                ':wiki:favicon.ico',
57                ':favicon.ico',
58                'images/favicon.ico',
59                ':wiki:logo',
60            ];
61
62            $abs = true;
63            foreach($look as $img) {
64                if($img[0] === ':') {
65                    $file    = mediaFN($img);
66                    $ismedia = true;
67                } else {
68                    $file    = tpl_incdir().$img;
69                    $ismedia = false;
70                }
71
72                if (file_exists($file)) {
73                    $imginfo = getimagesize($file);
74                    if($ismedia) {
75                        $url = ml($img, '', true, '', $abs);
76                    } else {
77                        $url = tpl_basedir().$img;
78                        if($abs) $url = DOKU_URL.substr($url, strlen(DOKU_REL));
79                    }
80                    $manifest['icons'][] = [
81                        'src' => $url,
82                        'sizes' => $imginfo[0] . 'x' . $imginfo[1],
83                        'type' => $imginfo['mime'],
84                    ];
85                };
86            }
87        }
88
89        trigger_event('MANIFEST_SEND', $manifest);
90
91        header('Content-Type: application/manifest+json');
92        echo json_encode($manifest);
93    }
94
95    public function jsonToArray($file)
96    {
97        $json = file_get_contents($file);
98
99        $conf = json_decode($json, true);
100
101        $jsonError = json_last_error();
102        if (!is_array($conf) && $jsonError !== JSON_ERROR_NONE) {
103
104            switch ($jsonError) {
105                case JSON_ERROR_DEPTH:
106                    $jsonErrorText = 'The maximum stack depth has been exceeded';
107                    break;
108                case JSON_ERROR_STATE_MISMATCH:
109                    $jsonErrorText = 'Invalid or malformed JSON';
110                    break;
111                case JSON_ERROR_CTRL_CHAR:
112                    $jsonErrorText = 'Control character error, possibly incorrectly encoded';
113                    break;
114                case JSON_ERROR_SYNTAX:
115                    $jsonErrorText = 'Syntax error';
116                    break;
117                case JSON_ERROR_UTF8:
118                    $jsonErrorText = 'Malformed UTF-8 characters, possibly incorrectly encoded';
119                    break;
120                case JSON_ERROR_RECURSION:
121                    $jsonErrorText = 'One or more recursive references in the value to be encoded';
122                    break;
123                case JSON_ERROR_INF_OR_NAN:
124                    $jsonErrorText = 'One or more NAN or INF values in the value to be encoded';
125                    break;
126                case JSON_ERROR_UNSUPPORTED_TYPE:
127                    $jsonErrorText = 'A value of a type that cannot be encoded was given';
128                    break;
129                case JSON_ERROR_INVALID_PROPERTY_NAME:
130                    $jsonErrorText = 'A property name that cannot be encoded was given';
131                    break;
132                case JSON_ERROR_UTF16:
133                    $jsonErrorText = 'Malformed UTF-16 characters, possibly incorrectly encoded';
134                    break;
135                default:
136                    $jsonErrorText = 'Unknown Error Code';
137            }
138
139            trigger_error('JSON decoding error "' . $jsonErrorText . '" for file ' . $file, E_USER_WARNING);
140            return [];
141        }
142
143        return $conf;
144    }
145}
146
147$manifest = new Manifest();
148$manifest->run();
149