2 /********************************************************************************
3 * include/misc.inc.php : Misc functions
4 * -------------------------
6 * This file is part of the banana distribution
7 * Copyright: See COPYING files that comes with this distribution
8 ********************************************************************************/
10 /********************************************************************************
14 function _b_($str) { return utf8_decode(dgettext('banana', utf8_encode($str))); }
16 function to_entities($str) {
17 require_once dirname(__FILE__
).'/utf8.php';
18 return utf8entities(htmlentities($str, ENT_NOQUOTES
, 'UTF-8'));
21 function is_utf8($s) { return iconv('utf-8', 'utf-8', $s) == $s; }
23 function textFormat_translate($format)
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 $format;
33 /********************************************************************************
41 * @desc Strip forbidden tags and delegate tag-source check to removeEvilAttributes()
43 function removeEvilTags($source)
45 $allowedTags = '<h1><b><i><a><ul><li><pre><hr><blockquote><img><br><font><p><small><big><sup><sub><code><em>';
46 $source = preg_replace('|</div>|i', '<br />', $source);
47 $source = strip_tags($source, $allowedTags);
48 return preg_replace('/<(.*?)>/ie', "'<'.removeEvilAttributes('\\1').'>'", $source);
54 * @desc Strip forbidden attributes from a tag
56 function removeEvilAttributes($tagSource)
58 $stripAttrib = 'javascript:|onclick|ondblclick|onmousedown|onmouseup|onmouseover|'.
59 'onmousemove|onmouseout|onkeypress|onkeydown|onkeyup';
60 return stripslashes(preg_replace("/$stripAttrib/i", '', $tagSource));
63 /** Convert html to plain text
65 function htmlToPlainText($res)
67 $res = trim(html_entity_decode(strip_tags($res, '<div><br><p>')));
68 $res = preg_replace("@</?(br|p|div)[^>]*>@i", "\n", $res);
70 $res = utf8_encode($res);
75 /********************************************************************************
79 /** Convert richtext to html
81 function richtextToHtml($source)
83 $tags = Array('bold' => 'b',
89 'superscript' => 'sup',
90 'excerpt' => 'blockquote',
95 // clean unsupported tags
96 $protectedTags = '<signature><lt><comment><'.join('><', array_keys($tags)).'>';
97 $source = strip_tags($source, $protectedTags);
99 // convert richtext tags to html
100 foreach (array_keys($tags) as $tag) {
101 $source = preg_replace('@(</?)'.$tag.'([^>]*>)@i', '\1'.$tags[$tag].'\2', $source);
104 // some special cases
105 $source = preg_replace('@<signature>@i', '<br>-- <br>', $source);
106 $source = preg_replace('@</signature>@i', '', $source);
107 $source = preg_replace('@<lt>@i', '<', $source);
108 $source = preg_replace('@<comment[^>]*>((?:[^<]|<(?!/comment>))*)</comment>@i', '<!-- \1 -->', $source);
109 return removeEvilAttributes($source);
112 /********************************************************************************
116 function _headerdecode($charset, $c, $str) {
117 $s = ($c == 'Q') ?
quoted_printable_decode($str) : base64_decode($str);
118 $s = iconv($charset, 'iso-8859-15', $s);
119 return str_replace('_', ' ', $s);
122 function headerDecode($value) {
123 $val = preg_replace('/(=\?[^?]*\?[BQ]\?[^?]*\?=) (=\?[^?]*\?[BQ]\?[^?]*\?=)/', '\1\2', $value);
124 return preg_replace('/=\?([^?]*)\?([BQ])\?([^?]*)\?=/e', '_headerdecode("\1", "\2", "\3")', $val);
127 function headerEncode($value, $trim = 0) {
129 if (strlen($value) > $trim) {
130 $value = substr($value, 0, $trim) . "[...]";
133 return "=?UTF-8?B?".base64_encode($value)."?=";
136 function header_translate($hdr) {
138 case 'from': return _b_('De');
139 case 'subject': return _b_('Sujet');
140 case 'newsgroups': return _b_('Forums');
141 case 'followup-to': return _b_('Suivi-à');
142 case 'date': return _b_('Date');
143 case 'organization': return _b_('Organisation');
144 case 'references': return _b_('Références');
145 case 'x-face': return _b_('Image');
147 if (function_exists('hook_headerTranslate')
148 && $res = hook_headerTranslate($hdr)) {
155 function formatDisplayHeader($_header,$_text) {
159 return formatDate($_text);
164 $groups = preg_split("/[\t ]*,[\t ]*/",$_text);
165 foreach ($groups as $g) {
166 $res.="<a href='?group=$g'>$g</a>, ";
168 return substr($res,0, -2);
171 return formatFrom($_text);
176 $text = str_replace("><","> <",$_text);
177 $text = preg_split("/[ \t]/",strtr($text,$banana->spool
->ids
));
178 $parents = preg_grep("/^\d+$/",$text);
179 $p = array_pop($parents);
184 $p = $banana->spool
->overview
[$p]->parent
;
186 foreach (array_reverse($par_ok) as $p) {
187 $rsl .= "<a href=\"?group={$banana->spool->group}&artid=$p\">$ndx</a> ";
193 return '<img src="xface.php?face='.base64_encode($_text).'" alt="x-face" />';
196 if (function_exists('hook_formatDisplayHeader')
197 && $res = hook_formatDisplayHeader($_header, $_text))
201 return htmlentities($_text);
205 /********************************************************************************
209 function formatDate($_text) {
210 return strftime("%A %d %B %Y, %H:%M (fuseau serveur)", strtotime($_text));
213 function fancyDate($stamp) {
214 $today = intval(time() / (24*3600));
215 $dday = intval($stamp / (24*3600));
217 if ($today == $dday) {
219 } elseif ($today == 1 +
$dday) {
220 $format = _b_('hier')." %H:%M";
221 } elseif ($today < 7 +
$dday) {
222 $format = '%a %H:%M';
224 $format = '%a %e %b';
226 return strftime($format, $stamp);
229 function formatFrom($text) {
230 # From: mark@cbosgd.ATT.COM
231 # From: mark@cbosgd.ATT.COM (Mark Horton)
232 # From: Mark Horton <mark@cbosgd.ATT.COM>
233 $mailto = '<a href="mailto:';
235 $result = htmlentities($text);
236 if (preg_match("/^([^ ]+)@([^ ]+)$/",$text,$regs)) {
237 $result="$mailto{$regs[1]}@{$regs[2]}\">".htmlentities($regs[1]."@".$regs[2])."</a>";
239 if (preg_match("/^([^ ]+)@([^ ]+) \((.*)\)$/",$text,$regs)) {
240 $result="$mailto{$regs[1]}@{$regs[2]}\">".htmlentities($regs[3])."</a>";
242 if (preg_match("/^\"?([^<>\"]+)\"? +<(.+)@(.+)>$/",$text,$regs)) {
243 $result="$mailto{$regs[2]}@{$regs[3]}\">".htmlentities($regs[1])."</a>";
245 return preg_replace("/\\\(\(|\))/","\\1",$result);
248 function displayshortcuts($first = -1) {
250 extract($banana->state
);
252 $res = '<div class="banana_scuts">';
253 $res .= '[<a href="?">'._b_('Liste des forums').'</a>] ';
254 if (is_null($group)) {
255 return $res.'[<a href="?subscribe=1">'._b_('Abonnements').'</a>]</div>';
258 $res .= "[<a href=\"?group=$group\">$group</a>] ";
260 if (is_null($artid)) {
261 $res .= "[<a href=\"?group=$group&action=new\">"._b_('Nouveau message')."</a>] ";
262 if (sizeof($banana->spool
->overview
)>$banana->tmax
) {
264 $n = intval(log(count($banana->spool
->overview
), 10))+
1;
265 for ($ndx=1; $ndx <= sizeof($banana->spool
->overview
); $ndx +
= $banana->tmax
) {
267 $fmt = "[%0{$n}u-%0{$n}u] ";
269 $fmt = "[<a href=\"?group=$group&first=$ndx\">%0{$n}u-%0{$n}u</a>] ";
271 $res .= sprintf($fmt, $ndx, min($ndx+
$banana->tmax
-1,sizeof($banana->spool
->overview
)));
275 $res .= "[<a href=\"?group=$group&artid=$artid&action=new\">"
276 ._b_('Répondre')."</a>] ";
277 if ($banana->post
&& $banana->post
->checkcancel()) {
278 $res .= "[<a href=\"?group=$group&artid=$artid&action=cancel\">"
279 ._b_('Annuler ce message')."</a>] ";
282 return $res.'</div>';
285 /********************************************************************************
286 * FORMATTING STUFF : BODY
289 function autoformat($text)
292 $length = $banana->wrap
;
294 $cmd = "echo ".escapeshellarg($text)." | perl -MText::Autoformat -e 'autoformat {left=>1, right=>$length, all=>1 };'";
295 exec($cmd, $result, $ret);
297 $result = split("\n", $text);
302 function wrap($text, $_prefix="", $_force=false
)
304 $parts = preg_split("/\n-- ?\n/", $text);
305 if (count($parts) >1) {
306 $sign = "\n-- \n" . array_pop($parts);
307 $text = join("\n-- \n", $parts);
313 $url = $banana->url_regexp
;
314 $length = $banana->wrap
;
315 $max = $length +
($length/10);
316 $splits = split("\n", $text);
320 foreach ($splits as $line) {
321 if ($_force ||
strlen($line) > $max) {
322 if (preg_match("!^(.*)($url)(.*)!i", $line, $matches) && strlen($matches[2]) > $length && strlen($matches) < 900) {
323 if (strlen($matches[1]) != 0) {
324 array_push($next, rtrim($matches[1]));
325 if (strlen($matches[1]) > $max) {
331 $result = array_merge($result, autoformat(join("\n", $next)));
333 $result = array_merge($result, $next);
337 array_push($result, $matches[2]);
339 if (strlen($matches[6]) != 0) {
340 array_push($next, ltrim($matches[6]));
341 if (strlen($matches[6]) > $max) {
347 array_push($next, $line);
350 array_push($next, $line);
354 $result = array_merge($result, autoformat(join("\n", $next)));
356 $result = array_merge($result, $next);
359 return $_prefix.join("\n$_prefix", $result).($_prefix ?
'' : $sign);
362 function cutlink($link)
366 if (strlen($link) > $banana->wrap
) {
367 $link = substr($link, 0, $banana->wrap
- 3)."...";
372 function formatbody($_text, $format='plain', $flowed=false
)
374 if ($format == 'html') {
375 $res = '<br/>'.html_entity_decode(to_entities(removeEvilTags($_text))).'<br/>';
376 } else if ($format == 'richtext') {
377 $res = '<br/>'.html_entity_decode(to_entities(richtextToHtml($_text))).'<br/>';
379 $res = "\n\n" . to_entities(wrap($_text, "", $flowed))."\n\n";
382 if ($format != 'html') {
384 $url = $banana->url_regexp
;
385 $res = preg_replace("/(<|>|")/", " \\1 ", $res);
386 $res = preg_replace("!$url!ie", "'\\1<a href=\"\\2\" title=\"\\2\">'.cutlink('\\2').'</a>\\3'", $res);
387 $res = preg_replace('/(["\[])?(?:mailto:)?([a-z0-9.\-+_]+@[a-z0-9.\-+_]+)(["\]])?/i', '\1<a href="mailto:\2">\2</a>\3', $res);
388 $res = preg_replace("/ (<|>|") /", "\\1", $res);
390 if ($format == 'richtext') {
395 if ($format == 'html') {
396 $res = preg_replace("@(</p>)\n?-- \n?(<p[^>]*>|<br[^>]*>)@", "\\1<br/>-- \\2", $res);
397 $res = preg_replace("@<br[^>]*>\n?-- \n?(<p[^>]*>)@", "<br/>-- <br/>\\2", $res);
398 $parts = preg_split("@(:?<p[^>]*>\n?-- \n?</p>|<br[^>]*>\n?-- \n?<br[^>]*>)@", $res);
400 while (preg_match("@(^|<pre>|\n)>@i", $res)) {
401 $res = preg_replace("@(^|<pre>|\n)((>[^\n]*\n)+)@ie",
402 "'\\1</pre><blockquote><pre>'"
403 .".stripslashes(preg_replace('@(^|<pre>|\n)>[ \\t\\r]*@i', '\\1', '\\2'))"
404 .".'</pre></blockquote><pre>'",
407 $res = preg_replace("@<pre>-- ?\n@", "<pre>\n-- \n", $res);
408 $parts = preg_split("/\n-- ?\n/", $res);
411 if (count($parts) > 1) {
412 $sign = array_pop($parts);
413 if ($format == 'html') {
414 $res = join('<br/>-- <br/>', $parts);
415 $sign = '<hr style="width: 100%; margin: 1em 0em; " />'.$sign.'<br/>';
417 $res = join('\n-- \n', $parts);
418 $sign = '</pre><hr style="width: 100%; margin: 1em 0em; " /><pre>'.$sign;