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1 | <?php |
2 | /******************************************************************************** |
3 | * include/misc.inc.php : Misc functions |
4 | * ------------------------- |
5 | * |
6 | * This file is part of the banana distribution |
7 | * Copyright: See COPYING files that comes with this distribution |
8 | ********************************************************************************/ |
9 | |
10 | /******************************************************************************** |
11 | * MISC |
12 | */ |
13 | |
14 | function _b_($str) { return utf8_decode(dgettext('banana', utf8_encode($str))); } |
15 | |
16 | function to_entities($str) { |
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17 | require_once dirname(__FILE__).'/utf8.php'; |
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18 | return utf8entities(htmlentities($str, ENT_NOQUOTES, 'UTF-8')); |
19 | } |
20 | |
21 | function is_utf8($s) { return iconv('utf-8', 'utf-8', $s) == $s; } |
22 | |
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23 | function textFormat_translate($format) |
24 | { |
25 | switch (strtolower($format)) { |
26 | case 'plain': return _b_('Texte brut'); |
27 | case 'richtext': return _b_('Texte enrichi'); |
28 | case 'html': return _b_('HTML'); |
29 | default: return $format; |
30 | } |
31 | } |
32 | |
33 | /******************************************************************************** |
34 | * HTML STUFF |
35 | * Taken from php.net |
36 | */ |
37 | |
38 | /** |
39 | * @return string |
40 | * @param string |
41 | * @desc Strip forbidden tags and delegate tag-source check to removeEvilAttributes() |
42 | */ |
43 | function removeEvilTags($source) |
44 | { |
45 | $allowedTags = '<h1><b><i><a><ul><li><pre><hr><blockquote><img><br><font><p>'; |
46 | $source = strip_tags($source, $allowedTags); |
47 | return preg_replace('/<(.*?)>/ie', "'<'.removeEvilAttributes('\\1').'>'", $source); |
48 | } |
49 | |
50 | /** |
51 | * @return string |
52 | * @param string |
53 | * @desc Strip forbidden attributes from a tag |
54 | */ |
55 | function removeEvilAttributes($tagSource) |
56 | { |
57 | $stripAttrib = 'javascript:|onclick|ondblclick|onmousedown|onmouseup|onmouseover|'. |
58 | 'onmousemove|onmouseout|onkeypress|onkeydown|onkeyup'; |
59 | return stripslashes(preg_replace("/$stripAttrib/i", '', $tagSource)); |
60 | } |
61 | |
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62 | /******************************************************************************** |
63 | * HEADER STUFF |
64 | */ |
65 | |
66 | function _headerdecode($charset, $c, $str) { |
67 | $s = ($c == 'Q') ? quoted_printable_decode($str) : base64_decode($str); |
68 | $s = iconv($charset, 'iso-8859-15', $s); |
69 | return str_replace('_', ' ', $s); |
70 | } |
71 | |
72 | function headerDecode($value) { |
73 | $val = preg_replace('/(=\?[^?]*\?[BQ]\?[^?]*\?=) (=\?[^?]*\?[BQ]\?[^?]*\?=)/', '\1\2', $value); |
74 | return preg_replace('/=\?([^?]*)\?([BQ])\?([^?]*)\?=/e', '_headerdecode("\1", "\2", "\3")', $val); |
75 | } |
76 | |
77 | function headerEncode($value, $trim = 0) { |
78 | if ($trim) { |
79 | if (strlen($value) > $trim) { |
80 | $value = substr($value, 0, $trim) . "[...]"; |
81 | } |
82 | } |
83 | return "=?UTF-8?B?".base64_encode($value)."?="; |
84 | } |
85 | |
86 | function header_translate($hdr) { |
87 | switch ($hdr) { |
88 | case 'from': return _b_('De'); |
89 | case 'subject': return _b_('Sujet'); |
90 | case 'newsgroups': return _b_('Forums'); |
91 | case 'followup-to': return _b_('Suivi-à'); |
92 | case 'date': return _b_('Date'); |
93 | case 'organization': return _b_('Organisation'); |
94 | case 'references': return _b_('Références'); |
95 | case 'x-face': return _b_('Image'); |
96 | default: |
97 | if (function_exists('hook_headerTranslate') |
98 | && $res = hook_headerTranslate($hdr)) { |
99 | return $res; |
100 | } |
101 | return $hdr; |
102 | } |
103 | } |
104 | |
105 | function formatDisplayHeader($_header,$_text) { |
106 | global $banana; |
107 | switch ($_header) { |
108 | case "date": |
109 | return formatDate($_text); |
110 | |
111 | case "followup-to": |
112 | case "newsgroups": |
113 | $res = ""; |
114 | $groups = preg_split("/[\t ]*,[\t ]*/",$_text); |
115 | foreach ($groups as $g) { |
116 | $res.="<a href='?group=$g'>$g</a>, "; |
117 | } |
118 | return substr($res,0, -2); |
119 | |
120 | case "from": |
121 | return formatFrom($_text); |
122 | |
123 | case "references": |
124 | $rsl = ""; |
125 | $ndx = 1; |
126 | $text = str_replace("><","> <",$_text); |
127 | $text = preg_split("/[ \t]/",strtr($text,$banana->spool->ids)); |
128 | $parents = preg_grep("/^\d+$/",$text); |
129 | $p = array_pop($parents); |
130 | $par_ok = Array(); |
131 | |
132 | while ($p) { |
133 | $par_ok[]=$p; |
134 | $p = $banana->spool->overview[$p]->parent; |
135 | } |
136 | foreach (array_reverse($par_ok) as $p) { |
137 | $rsl .= "<a href=\"?group={$banana->spool->group}&artid=$p\">$ndx</a> "; |
138 | $ndx++; |
139 | } |
140 | return $rsl; |
141 | |
142 | case "x-face": |
143 | return '<img src="xface.php?face='.base64_encode($_text).'" alt="x-face" />'; |
144 | |
145 | default: |
146 | if (function_exists('hook_formatDisplayHeader') |
147 | && $res = hook_formatDisplayHeader($_header, $_text)) |
148 | { |
149 | return $res; |
150 | } |
151 | return htmlentities($_text); |
152 | } |
153 | } |
154 | |
155 | /******************************************************************************** |
156 | * FORMATTING STUFF |
157 | */ |
158 | |
159 | function formatDate($_text) { |
160 | return strftime("%A %d %B %Y, %H:%M (fuseau serveur)", strtotime($_text)); |
161 | } |
162 | |
163 | function fancyDate($stamp) { |
164 | $today = intval(time() / (24*3600)); |
165 | $dday = intval($stamp / (24*3600)); |
166 | |
167 | if ($today == $dday) { |
168 | $format = "%H:%M"; |
169 | } elseif ($today == 1 + $dday) { |
170 | $format = _b_('hier')." %H:%M"; |
171 | } elseif ($today < 7 + $dday) { |
172 | $format = '%a %H:%M'; |
173 | } else { |
174 | $format = '%a %e %b'; |
175 | } |
176 | return strftime($format, $stamp); |
177 | } |
178 | |
179 | function formatFrom($text) { |
180 | # From: mark@cbosgd.ATT.COM |
181 | # From: mark@cbosgd.ATT.COM (Mark Horton) |
182 | # From: Mark Horton <mark@cbosgd.ATT.COM> |
183 | $mailto = '<a href="mailto:'; |
184 | |
185 | $result = htmlentities($text); |
186 | if (preg_match("/^([^ ]+)@([^ ]+)$/",$text,$regs)) { |
187 | $result="$mailto{$regs[1]}@{$regs[2]}\">".htmlentities($regs[1]."@".$regs[2])."</a>"; |
188 | } |
189 | if (preg_match("/^([^ ]+)@([^ ]+) \((.*)\)$/",$text,$regs)) { |
190 | $result="$mailto{$regs[1]}@{$regs[2]}\">".htmlentities($regs[3])."</a>"; |
191 | } |
192 | if (preg_match("/^\"?([^<>\"]+)\"? +<(.+)@(.+)>$/",$text,$regs)) { |
193 | $result="$mailto{$regs[2]}@{$regs[3]}\">".htmlentities($regs[1])."</a>"; |
194 | } |
195 | return preg_replace("/\\\(\(|\))/","\\1",$result); |
196 | } |
197 | |
198 | function displayshortcuts($first = -1) { |
199 | global $banana; |
200 | extract($banana->state); |
201 | |
202 | $res = '<div class="banana_scuts">'; |
203 | $res .= '[<a href="?">'._b_('Liste des forums').'</a>] '; |
204 | if (is_null($group)) { |
205 | return $res.'[<a href="?subscribe=1">'._b_('Abonnements').'</a>]</div>'; |
206 | } |
207 | |
208 | $res .= "[<a href=\"?group=$group\">$group</a>] "; |
209 | |
210 | if (is_null($artid)) { |
211 | $res .= "[<a href=\"?group=$group&action=new\">"._b_('Nouveau message')."</a>] "; |
212 | if (sizeof($banana->spool->overview)>$banana->tmax) { |
213 | $res .= '<br />'; |
214 | $n = intval(log(count($banana->spool->overview), 10))+1; |
215 | for ($ndx=1; $ndx <= sizeof($banana->spool->overview); $ndx += $banana->tmax) { |
216 | if ($first==$ndx) { |
217 | $fmt = "[%0{$n}u-%0{$n}u] "; |
218 | } else { |
219 | $fmt = "[<a href=\"?group=$group&first=$ndx\">%0{$n}u-%0{$n}u</a>] "; |
220 | } |
221 | $res .= sprintf($fmt, $ndx, min($ndx+$banana->tmax-1,sizeof($banana->spool->overview))); |
222 | } |
223 | } |
224 | } else { |
225 | $res .= "[<a href=\"?group=$group&artid=$artid&action=new\">" |
226 | ._b_('Répondre')."</a>] "; |
227 | if ($banana->post->checkcancel()) { |
228 | $res .= "[<a href=\"?group=$group&artid=$artid&action=cancel\">" |
229 | ._b_('Annuler ce message')."</a>] "; |
230 | } |
231 | } |
232 | return $res.'</div>'; |
233 | } |
234 | |
235 | /******************************************************************************** |
236 | * FORMATTING STUFF : BODY |
237 | */ |
238 | |
239 | function wrap($text, $_prefix="") |
240 | { |
241 | $parts = preg_split("/\n-- ?\n/", $text); |
242 | if (count($parts) >1) { |
243 | $sign = "\n-- \n" . array_pop($parts); |
244 | $text = join("\n-- \n", $parts); |
245 | } else { |
246 | $sign = ''; |
247 | $text = $text; |
248 | } |
249 | |
250 | global $banana; |
251 | $length = $banana->wrap; |
252 | $cmd = "echo ".escapeshellarg($text)." | perl -MText::Autoformat -e 'autoformat {left=>1, right=>$length, all=>1 };'"; |
253 | exec($cmd, $result); |
254 | |
255 | return $_prefix.join("\n$_prefix", $result).($_prefix ? '' : $sign); |
256 | } |
257 | |
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258 | function formatbody($_text, $format='plain') |
259 | { |
260 | if ($format == 'html') { |
261 | $res = '<br/>'.removeEvilTags(html_entity_decode(to_entities($_text))).'<br/>'; |
262 | } else { |
263 | $res = "\n\n" . to_entities(wrap($_text, ""))."\n\n"; |
264 | } |
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265 | $res = preg_replace("/(<|>|")/", " \\1 ", $res); |
266 | $res = preg_replace('/(["\[])?((https?|ftp|news):\/\/[a-z@0-9.~%$£µ&i#\-+=_\/\?]*)(["\]])?/i', "\\1<a href=\"\\2\">\\2</a>\\4", $res); |
267 | $res = preg_replace("/ (<|>|") /", "\\1", $res); |
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268 | |
269 | if ($format == 'html') { |
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270 | $res = preg_replace("@(</p>)\n?-- \n?(<p[^>]*>|<br>)@", "\\1<br>-- \\2", $res); |
271 | $res = preg_replace("@<br>\n?-- \n?(<p[^>]*>)@", "<br>-- <br>\\2", $res); |
272 | $parts = preg_split("@(:?<p[^>]*>\n?-- \n?</p>|<br[^>]*>\n?-- \n?<br>)@", $res); |
273 | } else { |
274 | $parts = preg_split("/\n-- ?\n/", $res); |
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275 | } |
276 | |
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277 | if (count($parts) > 1) { |
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278 | $sign = array_pop($parts); |
279 | if ($format == 'html') { |
280 | $res = join('<br/>-- <br/>', $parts); |
281 | $sign = '<hr style="width: 100%; margin: 1em 0em; " />'.$sign; |
282 | } else { |
283 | $res = join('\n-- \n', $parts); |
284 | $sign = '</pre><hr style="width: 100%; margin: 1em 0em; " /><pre>'.$sign; |
285 | } |
286 | return $res.$sign; |
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287 | } else { |
288 | return $res; |
289 | } |
290 | } |
291 | |
292 | ?> |