1: <?php
2:
3: 4: 5: 6:
7: class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
8: {
9:
10: public $type = 'CSS';
11:
12: 13: 14:
15: public $info = array();
16:
17: 18: 19:
20: protected function doSetup($config) {
21:
22: $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
23: array('left', 'right', 'center', 'justify'), false);
24:
25: $border_style =
26: $this->info['border-bottom-style'] =
27: $this->info['border-right-style'] =
28: $this->info['border-left-style'] =
29: $this->info['border-top-style'] = new HTMLPurifier_AttrDef_Enum(
30: array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double',
31: 'groove', 'ridge', 'inset', 'outset'), false);
32:
33: $this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style);
34:
35: $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
36: array('none', 'left', 'right', 'both'), false);
37: $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
38: array('none', 'left', 'right'), false);
39: $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
40: array('normal', 'italic', 'oblique'), false);
41: $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
42: array('normal', 'small-caps'), false);
43:
44: $uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite(
45: array(
46: new HTMLPurifier_AttrDef_Enum(array('none')),
47: new HTMLPurifier_AttrDef_CSS_URI()
48: )
49: );
50:
51: $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
52: array('inside', 'outside'), false);
53: $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
54: array('disc', 'circle', 'square', 'decimal', 'lower-roman',
55: 'upper-roman', 'lower-alpha', 'upper-alpha', 'none'), false);
56: $this->info['list-style-image'] = $uri_or_none;
57:
58: $this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config);
59:
60: $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
61: array('capitalize', 'uppercase', 'lowercase', 'none'), false);
62: $this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color();
63:
64: $this->info['background-image'] = $uri_or_none;
65: $this->info['background-repeat'] = new HTMLPurifier_AttrDef_Enum(
66: array('repeat', 'repeat-x', 'repeat-y', 'no-repeat')
67: );
68: $this->info['background-attachment'] = new HTMLPurifier_AttrDef_Enum(
69: array('scroll', 'fixed')
70: );
71: $this->info['background-position'] = new HTMLPurifier_AttrDef_CSS_BackgroundPosition();
72:
73: $border_color =
74: $this->info['border-top-color'] =
75: $this->info['border-bottom-color'] =
76: $this->info['border-left-color'] =
77: $this->info['border-right-color'] =
78: $this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
79: new HTMLPurifier_AttrDef_Enum(array('transparent')),
80: new HTMLPurifier_AttrDef_CSS_Color()
81: ));
82:
83: $this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config);
84:
85: $this->info['border-color'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_color);
86:
87: $border_width =
88: $this->info['border-top-width'] =
89: $this->info['border-bottom-width'] =
90: $this->info['border-left-width'] =
91: $this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
92: new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
93: new HTMLPurifier_AttrDef_CSS_Length('0')
94: ));
95:
96: $this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width);
97:
98: $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
99: new HTMLPurifier_AttrDef_Enum(array('normal')),
100: new HTMLPurifier_AttrDef_CSS_Length()
101: ));
102:
103: $this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
104: new HTMLPurifier_AttrDef_Enum(array('normal')),
105: new HTMLPurifier_AttrDef_CSS_Length()
106: ));
107:
108: $this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
109: new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small',
110: 'small', 'medium', 'large', 'x-large', 'xx-large',
111: 'larger', 'smaller')),
112: new HTMLPurifier_AttrDef_CSS_Percentage(),
113: new HTMLPurifier_AttrDef_CSS_Length()
114: ));
115:
116: $this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
117: new HTMLPurifier_AttrDef_Enum(array('normal')),
118: new HTMLPurifier_AttrDef_CSS_Number(true),
119: new HTMLPurifier_AttrDef_CSS_Length('0'),
120: new HTMLPurifier_AttrDef_CSS_Percentage(true)
121: ));
122:
123: $margin =
124: $this->info['margin-top'] =
125: $this->info['margin-bottom'] =
126: $this->info['margin-left'] =
127: $this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
128: new HTMLPurifier_AttrDef_CSS_Length(),
129: new HTMLPurifier_AttrDef_CSS_Percentage(),
130: new HTMLPurifier_AttrDef_Enum(array('auto'))
131: ));
132:
133: $this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin);
134:
135:
136: $padding =
137: $this->info['padding-top'] =
138: $this->info['padding-bottom'] =
139: $this->info['padding-left'] =
140: $this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
141: new HTMLPurifier_AttrDef_CSS_Length('0'),
142: new HTMLPurifier_AttrDef_CSS_Percentage(true)
143: ));
144:
145: $this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding);
146:
147: $this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
148: new HTMLPurifier_AttrDef_CSS_Length(),
149: new HTMLPurifier_AttrDef_CSS_Percentage()
150: ));
151:
152: $trusted_wh = new HTMLPurifier_AttrDef_CSS_Composite(array(
153: new HTMLPurifier_AttrDef_CSS_Length('0'),
154: new HTMLPurifier_AttrDef_CSS_Percentage(true),
155: new HTMLPurifier_AttrDef_Enum(array('auto'))
156: ));
157: $max = $config->get('CSS.MaxImgLength');
158:
159: $this->info['width'] =
160: $this->info['height'] =
161: $max === null ?
162: $trusted_wh :
163: new HTMLPurifier_AttrDef_Switch('img',
164:
165: new HTMLPurifier_AttrDef_CSS_Composite(array(
166: new HTMLPurifier_AttrDef_CSS_Length('0', $max),
167: new HTMLPurifier_AttrDef_Enum(array('auto'))
168: )),
169:
170: $trusted_wh
171: );
172:
173: $this->info['text-decoration'] = new HTMLPurifier_AttrDef_CSS_TextDecoration();
174:
175: $this->info['font-family'] = new HTMLPurifier_AttrDef_CSS_FontFamily();
176:
177:
178: $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
179: array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300',
180: '400', '500', '600', '700', '800', '900'), false);
181:
182:
183:
184: $this->info['font'] = new HTMLPurifier_AttrDef_CSS_Font($config);
185:
186:
187: $this->info['border'] =
188: $this->info['border-bottom'] =
189: $this->info['border-top'] =
190: $this->info['border-left'] =
191: $this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config);
192:
193: $this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum(array(
194: 'collapse', 'separate'));
195:
196: $this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum(array(
197: 'top', 'bottom'));
198:
199: $this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum(array(
200: 'auto', 'fixed'));
201:
202: $this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
203: new HTMLPurifier_AttrDef_Enum(array('baseline', 'sub', 'super',
204: 'top', 'text-top', 'middle', 'bottom', 'text-bottom')),
205: new HTMLPurifier_AttrDef_CSS_Length(),
206: new HTMLPurifier_AttrDef_CSS_Percentage()
207: ));
208:
209: $this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2);
210:
211:
212: $this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(array('nowrap'));
213:
214: if ($config->get('CSS.Proprietary')) {
215: $this->doSetupProprietary($config);
216: }
217:
218: if ($config->get('CSS.AllowTricky')) {
219: $this->doSetupTricky($config);
220: }
221:
222: if ($config->get('CSS.Trusted')) {
223: $this->doSetupTrusted($config);
224: }
225:
226: $allow_important = $config->get('CSS.AllowImportant');
227:
228: foreach ($this->info as $k => $v) {
229: $this->info[$k] = new HTMLPurifier_AttrDef_CSS_ImportantDecorator($v, $allow_important);
230: }
231:
232: $this->setupConfigStuff($config);
233: }
234:
235: protected function doSetupProprietary($config) {
236:
237: $this->info['scrollbar-arrow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
238: $this->info['scrollbar-base-color'] = new HTMLPurifier_AttrDef_CSS_Color();
239: $this->info['scrollbar-darkshadow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
240: $this->info['scrollbar-face-color'] = new HTMLPurifier_AttrDef_CSS_Color();
241: $this->info['scrollbar-highlight-color'] = new HTMLPurifier_AttrDef_CSS_Color();
242: $this->info['scrollbar-shadow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
243:
244:
245: $this->info['opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
246: $this->info['-moz-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
247: $this->info['-khtml-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue();
248:
249:
250: $this->info['filter'] = new HTMLPurifier_AttrDef_CSS_Filter();
251:
252: }
253:
254: protected function doSetupTricky($config) {
255: $this->info['display'] = new HTMLPurifier_AttrDef_Enum(array(
256: 'inline', 'block', 'list-item', 'run-in', 'compact',
257: 'marker', 'table', 'inline-table', 'table-row-group',
258: 'table-header-group', 'table-footer-group', 'table-row',
259: 'table-column-group', 'table-column', 'table-cell', 'table-caption', 'none'
260: ));
261: $this->info['visibility'] = new HTMLPurifier_AttrDef_Enum(array(
262: 'visible', 'hidden', 'collapse'
263: ));
264: $this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll'));
265: }
266:
267: protected function doSetupTrusted($config) {
268: $this->info['position'] = new HTMLPurifier_AttrDef_Enum(array(
269: 'static', 'relative', 'absolute', 'fixed'
270: ));
271: $this->info['top'] =
272: $this->info['left'] =
273: $this->info['right'] =
274: $this->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
275: new HTMLPurifier_AttrDef_CSS_Length(),
276: new HTMLPurifier_AttrDef_CSS_Percentage(),
277: new HTMLPurifier_AttrDef_Enum(array('auto')),
278: ));
279: $this->info['z-index'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
280: new HTMLPurifier_AttrDef_Integer(),
281: new HTMLPurifier_AttrDef_Enum(array('auto')),
282: ));
283: }
284:
285: 286: 287: 288: 289: 290:
291: protected function setupConfigStuff($config) {
292:
293:
294: $support = "(for information on implementing this, see the ".
295: "support forums) ";
296: $allowed_properties = $config->get('CSS.AllowedProperties');
297: if ($allowed_properties !== null) {
298: foreach ($this->info as $name => $d) {
299: if(!isset($allowed_properties[$name])) unset($this->info[$name]);
300: unset($allowed_properties[$name]);
301: }
302:
303: foreach ($allowed_properties as $name => $d) {
304:
305: $name = htmlspecialchars($name);
306: trigger_error("Style attribute '$name' is not supported $support", E_USER_WARNING);
307: }
308: }
309:
310: $forbidden_properties = $config->get('CSS.ForbiddenProperties');
311: if ($forbidden_properties !== null) {
312: foreach ($this->info as $name => $d) {
313: if (isset($forbidden_properties[$name])) {
314: unset($this->info[$name]);
315: }
316: }
317: }
318:
319: }
320: }
321:
322:
323: