banana/misc.inc.php

   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($str) {
  17     require_once 'banana/utf8.php';
  18     return utf8entities(htmlentities($str, ENT_NOQUOTES, 'UTF-8'));
  19 }
  20
  21 function is_utf8($s) { return iconv('utf-8', 'utf-8', $s) == $s; }
  22
  23 /********************************************************************************
  24  *  HEADER STUFF
  25  */
  26
  27 function _headerdecode($charset, $c, $str) {
  28     $s = ($c == 'Q') ? quoted_printable_decode($str) : base64_decode($str);
  29     $s = iconv($charset, 'iso-8859-15', $s);
  30     return str_replace('_', ' ', $s);
  31 }
  32
  33 function headerDecode($value) {
  34     $val = preg_replace('/(=\?[^?]*\?[BQ]\?[^?]*\?=) (=\?[^?]*\?[BQ]\?[^?]*\?=)/', '\1\2', $value);
  35     return preg_replace('/=\?([^?]*)\?([BQ])\?([^?]*)\?=/e', '_headerdecode("\1", "\2", "\3")', $val);
  36 }
  37
  38 function headerEncode($value, $trim = 0) {
  39     if ($trim) {
  40         $value = substr($value, $trim) . "[...]";
  41     }
  42     return "=?UTF-8?B?".base64_encode($value)."?=";
  43 }
  44
  45 function header_translate($hdr) {
  46     switch ($hdr) {
  47         case 'from':            return _b_('De');
  48         case 'subject':         return _b_('Sujet');
  49         case 'newsgroups':      return _b_('Forums');
  50         case 'followup-to':     return _b_('Suivi-à');
  51         case 'date':            return _b_('Date');
  52         case 'organization':    return _b_('Organisation');
  53         case 'references':      return _b_('Références');
  54         case 'x-face':          return _b_('Image');
  55         default:
  56             if (function_exists('hook_headerTranslate')
  57                     && $res = hook_headerTranslate($hdr)) {
  58                 return $res;
  59             }
  60             return $hdr;
  61     }
  62 }
  63
  64 function formatDisplayHeader($_header,$_text) {
  65     global $banana;
  66     switch ($_header) {
  67         case "date":
  68             return formatDate($_text);
  69
  70         case "followup-to":
  71             case "newsgroups":
  72             $res = "";
  73             $groups = preg_split("/[\t ]*,[\t ]*/",$_text);
  74             foreach ($groups as $g) {
  75                 $res.="<a href='?group=$g'>$g</a>, ";
  76             }
  77             return substr($res,0, -2);
  78
  79         case "from":
  80             return formatFrom($_text);
  81
  82         case "references":
  83             $rsl     = "";
  84             $ndx     = 1;
  85             $text    = str_replace("><","> <",$_text);
  86             $text    = preg_split("/[ \t]/",strtr($text,$banana->spool->ids));
  87             $parents = preg_grep("/^\d+$/",$text);
  88             $p       = array_pop($parents);
  89             $par_ok  = Array();
  90
  91             while ($p) {
  92                 $par_ok[]=$p;
  93                 $p = $banana->spool->overview[$p]->parent;
  94             }
  95             foreach (array_reverse($par_ok) as $p) {
  96                 $rsl .= "<a href=\"?group={$banana->spool->group}&amp;artid=$p\">$ndx</a> ";
  97                 $ndx++;
  98             }
  99             return $rsl;
 100
 101         case "x-face":
 102             return '<img src="xface.php?face='.base64_encode($_text).'"  alt="x-face" />';
 103
 104         default:
 105             if (function_exists('hook_formatDisplayHeader')
 106                     && $res = hook_formatDisplayHeader($_header, $_text))
 107             {
 108                 return $res;
 109             }
 110             return htmlentities($_text);
 111     }
 112 }
 113
 114 /********************************************************************************
 115  *  FORMATTING STUFF
 116  */
 117
 118 function formatDate($_text) {
 119     return strftime("%A %d %B %Y, %H:%M (fuseau serveur)", strtotime($_text));
 120 }
 121
 122 function fancyDate($stamp) {
 123     $today  = intval(time() / (24*3600));
 124     $dday   = intval($stamp / (24*3600));
 125
 126     if ($today == $dday) {
 127         $format = "%H:%M";
 128     } elseif ($today == 1 + $dday) {
 129         $format = _b_('hier')." %H:%M";
 130     } elseif ($today < 7 + $dday) {
 131         $format = '%a %H:%M';
 132     } else {
 133         $format = '%a %e %b';
 134     }
 135     return strftime($format, $stamp);
 136 }
 137
 138 function formatFrom($text) {
 139 #     From: mark@cbosgd.ATT.COM
 140 #     From: mark@cbosgd.ATT.COM (Mark Horton)
 141 #     From: Mark Horton <mark@cbosgd.ATT.COM>
 142     $mailto = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
 143
 144     $result = htmlentities($text);
 145     if (preg_match("/^([^ ]+)@([^ ]+)$/",$text,$regs)) {
 146         $result="$mailto{$regs[1]}&#64;{$regs[2]}\">".htmlentities($regs[1]."&#64;".$regs[2])."</a>";
 147     }
 148     if (preg_match("/^([^ ]+)@([^ ]+) \((.*)\)$/",$text,$regs)) {
 149         $result="$mailto{$regs[1]}&#64;{$regs[2]}\">".htmlentities($regs[3])."</a>";
 150     }
 151     if (preg_match("/^\"?([^<>\"]+)\"? +<(.+)@(.+)>$/",$text,$regs)) {
 152         $result="$mailto{$regs[2]}&#64;{$regs[3]}\">".htmlentities($regs[1])."</a>";
 153     }
 154     return preg_replace("/\\\(\(|\))/","\\1",$result);
 155 }
 156
 157 function displayshortcuts($first = -1) {
 158     global $banana;
 159     extract($banana->state);
 160
 161     $res  = '<div class="banana_scuts">';
 162     $res .= '[<a href="?">'._b_('Liste des forums').'</a>] ';
 163     if (is_null($group)) {
 164         return $res.'[<a href="?subscribe=1">'._b_('Abonnements').'</a>]</div>';
 165     }
 166
 167     $res .= "[<a href=\"?group=$group\">$group</a>] ";
 168
 169     if (is_null($artid)) {
 170         $res .= "[<a href=\"?group=$group&amp;action=new\">"._b_('Nouveau message')."</a>] ";
 171         if (sizeof($banana->spool->overview)>$banana->tmax) {
 172             $res .= '<br />';
 173             $n = intval(log(count($banana->spool->overview), 10))+1;
 174             for ($ndx=1; $ndx <= sizeof($banana->spool->overview); $ndx += $banana->tmax) {
 175                 if ($first==$ndx) {
 176                     $fmt = "[%0{$n}u-%0{$n}u] ";
 177                 } else {
 178                     $fmt = "[<a href=\"?group=$group&amp;first=$ndx\">%0{$n}u-%0{$n}u</a>] ";
 179                 }
 180                 $res .= sprintf($fmt, $ndx, min($ndx+$banana->tmax-1,sizeof($banana->spool->overview)));
 181             }
 182         }
 183     } else {
 184         $res .= "[<a href=\"?group=$group&amp;artid=$artid&amp;action=new\">"
 185             ._b_('Répondre')."</a>] ";
 186         if ($banana->post->checkcancel()) {
 187             $res .= "[<a href=\"?group=$group&amp;artid=$artid&amp;action=cancel\">"
 188                 ._b_('Annuler ce message')."</a>] ";
 189         }
 190     }
 191     return $res.'</div>';
 192 }
 193
 194 /********************************************************************************
 195  *  FORMATTING STUFF : BODY
 196  */
 197
 198 function wrap($text, $_prefix="")
 199 {
 200     $parts = preg_split("/\n-- ?\n/", $text);
 201     if (count($parts)  >1) {
 202         $sign = "\n-- \n" . array_pop($parts);
 203         $text = join("\n-- \n", $parts);
 204     } else {
 205         $sign = '';
 206         $text = $text;
 207     }
 208
 209     global $banana;
 210     $length = $banana->wrap;
 211     $cmd = "echo ".escapeshellarg($text)." | perl -MText::Autoformat -e 'autoformat {left=>1, right=>$length, all=>1 };'";
 212     exec($cmd, $result);
 213
 214     return $_prefix.join("\n$_prefix", $result).($_prefix ? '' : $sign);
 215 }
 216
 217 function formatbody($_text) {
 218     $res  = "\n\n" . to_entities(wrap($_text, ""))."\n\n";
 219     $res  = preg_replace("/(&lt;|&gt;|&quot;)/", " \\1 ", $res);
 220     $res  = preg_replace('/(["\[])?((https?|ftp|news):\/\/[a-z@0-9.~%$£µ&i#\-+=_\/\?]*)(["\]])?/i', "\\1<a href=\"\\2\">\\2</a>\\4", $res);
 221     $res  = preg_replace("/ (&lt;|&gt;|&quot;) /", "\\1", $res);
 222
 223     $parts = preg_split("/\n-- ?\n/", $res);
 224
 225     if (count($parts) > 1) {
 226         $sign = "</pre><hr style='width: 100%; margin: 1em 0em; ' /><pre>" . array_pop($parts);
 227         return join("\n-- \n", $parts).$sign;
 228     } else {
 229         return $res;
 230     }
 231 }
 232
 233 ?>