1<?php
2
3use dokuwiki\Extension\SyntaxPlugin;
4
5/**
6 * BBCode plugin: allows BBCode markup familiar from forum software
7 *
8 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
9 * @author     Esther Brunner <esther@kaffeehaus.ch>
10 * @author     Christopher Smith <chris@jalakai.co.uk>
11 * @author     Luis Machuca Bezzaza <luis.machuca@gulix.cl>
12 */
13class syntax_plugin_bbcode_color extends SyntaxPlugin
14{
15    protected const BROWSERCOLORS =  [
16            'aliceblue' => '#f0f8ff' ,
17            'antiquewhite' => '#faebd7' ,
18            'aqua' => '#00ffff' ,
19            'aquamarine' => '#7fffd4' ,
20            'azure' => '#f0ffff' ,
21            'beige' => '#f5f5dc' ,
22            'bisque' => '#ffe4c4' ,
23            'black' => '#000000' ,
24            'blanchedalmond' => '#ffebcd' ,
25            'blue' => '#0000ff' ,
26            'blueviolet' => '#8a2be2' ,
27            'brown' => '#a52a2a' ,
28            'burlywood' => '#deb887' ,
29            'cadetblue' => '#5f9ea0' ,
30            'chartreuse' => '#7fff00' ,
31            'chocolate' => '#d2691e' ,
32            'coral' => '#ff7f50' ,
33            'cornflowerblue' => '#6495ed' ,
34            'cornsilk' => '#fff8dc' ,
35            'crimson' => '#dc143c' ,
36            'cyan' => '#00ffff' ,
37            'darkblue' => '#00008b' ,
38            'darkcyan' => '#008b8b' ,
39            'darkgoldenrod' => '#b8860b' ,
40            'darkgray' => '#a9a9a9' ,
41            'darkgreen' => '#006400' ,
42            'darkkhaki' => '#bdb76b' ,
43            'darkmagenta' => '#8b008b' ,
44            'darkolivegreen' => '#556b2f' ,
45            'darkorange' => '#ff8c00' ,
46            'darkorchid' => '#9932cc' ,
47            'darkred' => '#8b0000' ,
48            'darksalmon' => '#e9967a' ,
49            'darkseagreen' => '#8fbc8f' ,
50            'darkslateblue' => '#483d8b' ,
51            'darkslategray' => '#2f4f4f' ,
52            'darkturquoise' => '#00ced1' ,
53            'darkviolet' => '#9400d3' ,
54            'deeppink' => '#ff1493' ,
55            'deepskyblue' => '#00bfff' ,
56            'dimgray' => '#696969' ,
57            'dodgerblue' => '#1e90ff' ,
58            'firebrick' => '#b22222' ,
59            'floralwhite' => '#fffaf0' ,
60            'forestgreen' => '#228b22' ,
61            'fuchsia' => '#ff00ff' ,
62            'gainsboro' => '#dcdcdc' ,
63            'ghostwhite' => '#f8f8ff' ,
64            'gold' => '#ffd700' ,
65            'goldenrod' => '#daa520' ,
66            'gray' => '#808080' ,
67            'green' => '#008000' ,
68            'greenyellow' => '#adff2f' ,
69            'honeydew' => '#f0fff0' ,
70            'hotpink' => '#ff69b4' ,
71            'indianred' => '#cd5c5c' ,
72            'indigo' => '#4b0082' ,
73            'ivory' => '#fffff0' ,
74            'khaki' => '#f0e68c' ,
75            'lavender' => '#e6e6fa' ,
76            'lavenderblush' => '#fff0f5' ,
77            'lawngreen' => '#7cfc00' ,
78            'lemonchiffon' => '#fffacd' ,
79            'lightblue' => '#add8e6' ,
80            'lightcoral' => '#f08080' ,
81            'lightcyan' => '#e0ffff' ,
82            'lightgoldenrodyellow' => '#fafad2' ,
83            'lightgrey' => '#d3d3d3' ,
84            'lightgreen' => '#90ee90' ,
85            'lightpink' => '#ffb6c1' ,
86            'lightsalmon' => '#ffa07a' ,
87            'lightseagreen' => '#20b2aa' ,
88            'lightskyblue' => '#87cefa' ,
89            'lightslategray' => '#778899' ,
90            'lightsteelblue' => '#b0c4de' ,
91            'lightyellow' => '#ffffe0' ,
92            'lime' => '#00ff00' ,
93            'limegreen' => '#32cd32' ,
94            'linen' => '#faf0e6' ,
95            'magenta' => '#ff00ff' ,
96            'maroon' => '#800000' ,
97            'mediumaquamarine' => '#66cdaa' ,
98            'mediumblue' => '#0000cd' ,
99            'mediumorchid' => '#ba55d3' ,
100            'mediumpurple' => '#9370d8' ,
101            'mediumseagreen' => '#3cb371' ,
102            'mediumslateblue' => '#7b68ee' ,
103            'mediumspringgreen' => '#00fa9a' ,
104            'mediumturquoise' => '#48d1cc' ,
105            'mediumvioletred' => '#c71585' ,
106            'midnightblue' => '#191970' ,
107            'mintcream' => '#f5fffa' ,
108            'mistyrose' => '#ffe4e1' ,
109            'moccasin' => '#ffe4b5' ,
110            'navajowhite' => '#ffdead' ,
111            'navy' => '#000080' ,
112            'oldlace' => '#fdf5e6' ,
113            'olive' => '#808000' ,
114            'olivedrab' => '#6b8e23' ,
115            'orange' => '#ffa500' ,
116            'orangered' => '#ff4500' ,
117            'orchid' => '#da70d6' ,
118            'palegoldenrod' => '#eee8aa' ,
119            'palegreen' => '#98fb98' ,
120            'paleturquoise' => '#afeeee' ,
121            'palevioletred' => '#d87093' ,
122            'papayawhip' => '#ffefd5' ,
123            'peachpuff' => '#ffdab9' ,
124            'peru' => '#cd853f' ,
125            'pink' => '#ffc0cb' ,
126            'plum' => '#dda0dd' ,
127            'powderblue' => '#b0e0e6' ,
128            'purple' => '#800080' ,
129            'red' => '#ff0000' ,
130            'rosybrown' => '#bc8f8f' ,
131            'royalblue' => '#4169e1' ,
132            'saddlebrown' => '#8b4513' ,
133            'salmon' => '#fa8072' ,
134            'sandybrown' => '#f4a460' ,
135            'seagreen' => '#2e8b57' ,
136            'seashell' => '#fff5ee' ,
137            'sienna' => '#a0522d' ,
138            'silver' => '#c0c0c0' ,
139            'skyblue' => '#87ceeb' ,
140            'slateblue' => '#6a5acd' ,
141            'slategray' => '#708090' ,
142            'snow' => '#fffafa' ,
143            'springgreen' => '#00ff7f' ,
144            'steelblue' => '#4682b4' ,
145            'tan' => '#d2b48c' ,
146            'teal' => '#008080' ,
147            'thistle' => '#d8bfd8' ,
148            'tomato' => '#ff6347' ,
149            'turquoise' => '#40e0d0' ,
150            'violet' => '#ee82ee' ,
151            'wheat' => '#f5deb3' ,
152            'white' => '#ffffff' ,
153            'whitesmoke' => '#f5f5f5' ,
154            'yellow' => '#ffff00' ,
155            'yellowgreen' => '#9acd32' ,
156            ];
157
158    /** @inheritdoc */
159    public function getType()
160    {
161        return 'formatting';
162    }
163    /** @inheritdoc */
164    public function getAllowedTypes()
165    {
166        return ['formatting', 'substition', 'disabled'];
167    }
168    /** @inheritdoc */
169    public function getSort()
170    {
171        return 105;
172    }
173    /** @inheritdoc */
174    public function connectTo($mode)
175    {
176        $this->Lexer->addEntryPattern('\[color=.*?\](?=.*?\x5B/color\x5D)', $mode, 'plugin_bbcode_color');
177    }
178    /** @inheritdoc */
179    public function postConnect()
180    {
181        $this->Lexer->addExitPattern('\[/color\]', 'plugin_bbcode_color');
182    }
183
184    /** @inheritdoc */
185    public function handle($match, $state, $pos, Doku_Handler $handler)
186    {
187        switch ($state) {
188            case DOKU_LEXER_ENTER:
189                $match = substr($match, 7, -1);
190                if (preg_match('/".+?"/', $match)) $match = substr($match, 1, -1);
191                return [$state, $match];
192
193            case DOKU_LEXER_UNMATCHED:
194                return [$state, $match];
195
196            case DOKU_LEXER_EXIT:
197                return [$state, ''];
198        }
199        return [];
200    }
201
202    /** @inheritdoc */
203    public function render($format, Doku_Renderer $renderer, $data)
204    {
205        if ($format == 'xhtml') {
206            [$state, $match] = $data;
207            switch ($state) {
208                case DOKU_LEXER_ENTER:
209                    if ($match = $this->isValid($match)) {
210                        $renderer->doc .= '<span style="color:' . $renderer->_xmlEntities($match) . '">';
211                    } else {
212                        $renderer->doc .= '<span>';
213                    }
214                    break;
215
216                case DOKU_LEXER_UNMATCHED:
217                    $renderer->doc .= $renderer->_xmlEntities($match);
218                    break;
219
220                case DOKU_LEXER_EXIT:
221                    $renderer->doc .= '</span>';
222                    break;
223            }
224            return true;
225        }
226        return false;
227    }
228
229    /**
230     * validate color value $c
231     *
232     * this is cut price validation - only to ensure the basic format is correct and there is nothing harmful
233     * three basic formats  "colorname", "#fff[fff]", "rgb(255[%],255[%],255[%])"
234     *
235     * @param string $c color value to validate
236     * @return string valid color value or empty string if invalid
237     */
238    protected function isValid($c)
239    {
240        $c = trim($c);
241
242        $pattern = "/^(
243            ([a-zA-Z]+)|                                #colorname - not verified
244            (\#([0-9a-fA-F]{3}|[0-9a-fA-F]{6}))|        #colorvalue
245            (rgb\(([0-9]{1,3}%?,){2}[0-9]{1,3}%?\))     #rgb triplet
246            )$/xD";
247
248        if (preg_match($pattern, $c)) return $c;
249        if (!empty(self::BROWSERCOLORS[$c])) return self::BROWSERCOLORS[$c];
250        return '';
251    }
252}
253