include/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 checkcancel($_headers) {
  17     if (function_exists('hook_checkcancel')) {
  18         return hook_checkcancel($_headers);
  19     }
  20     return ($_headers['from'] == $_SESSION['name']." <".$_SESSION['mail'].">");
  21 }
  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")', $val);
  36 }
  37
  38 function header_translate($hdr) {
  39     switch ($hdr) {
  40         case 'from':            return _b_('De');
  41         case 'subject':         return _b_('Sujet');
  42         case 'newsgroups':      return _b_('Forums');
  43         case 'followup-to':     return _b_('Suivi-à');
  44         case 'date':            return _b_('Date');
  45         case 'organization':    return _b_('Organisation');
  46         case 'references':      return _b_('Références');
  47         case 'x-face':          return _b_('Image');
  48         default:
  49             if (function_exists('hook_header_translate')) {
  50                 return hook_header_translate($hdr);
  51             }
  52             return $hdr;
  53     }
  54 }
  55
  56 function formatDisplayHeader($_header,$_text) {
  57     global $banana;
  58     switch ($_header) {
  59         case "date":
  60             return formatDate($_text);
  61
  62         case "followup-to":
  63             case "newsgroups":
  64             $res = "";
  65             $groups = preg_split("/[\t ]*,[\t ]*/",$_text);
  66             foreach ($groups as $g) {
  67                 $res.="<a href='thread.php?group=$g'>$g</a>, ";
  68             }
  69             return substr($res,0, -2);
  70
  71         case "from":
  72             return formatFrom($_text);
  73
  74         case "references":
  75             $rsl     = "";
  76             $ndx     = 1;
  77             $text    = str_replace("><","> <",$_text);
  78             $text    = preg_split("/[ \t]/",strtr($text,$banana->spool->ids));
  79             $parents = preg_grep("/^\d+$/",$text);
  80             $p       = array_pop($parents);
  81
  82             while ($p) {
  83                 $valid_parents[]=$p;
  84                 $p = $banana->spool->overview[$p]->parent;
  85             }
  86             foreach (array_reverse($valid_parents) as $p) {
  87                 $rsl .= "<a href=\"article.php?group={$banana->spool->group}&amp;id=$p\">$ndx</a> ";
  88                 $ndx++;
  89             }
  90             return $rsl;
  91
  92         case "x-face":
  93             return '<img src="xface.php?face='.base64_encode($_text).'"  alt="x-face" />';
  94
  95         default:
  96             if (function_exists('hook_formatDisplayHeader')) {
  97                 return hook_formatDisplayHeader($_header, $_text);
  98             }
  99             return htmlentities($_text);
 100     }
 101 }
 102
 103 /********************************************************************************
 104  *  FORMATTING STUFF
 105  */
 106
 107 function formatDate($_text) {
 108     return strftime("%A %d %B %Y, %H:%M (fuseau serveur)", strtotime($_text));
 109 }
 110
 111 function fancyDate($stamp) {
 112     $today  = intval(time() / (24*3600));
 113     $dday   = intval($stamp / (24*3600));
 114
 115     if ($today == $dday) {
 116         $format = "%H:%M";
 117     } elseif ($today == 1 + $dday) {
 118         $format = _b_('hier')." %H:%M";
 119     } elseif ($today < 7 + $dday) {
 120         $format = '%A %H:%M';
 121     } else {
 122         $format = '%a %e %b';
 123     }
 124     return strftime($format, $stamp);
 125 }
 126
 127 function formatFrom($text) {
 128 #     From: mark@cbosgd.ATT.COM
 129 #     From: mark@cbosgd.ATT.COM (Mark Horton)
 130 #     From: Mark Horton <mark@cbosgd.ATT.COM>
 131     $mailto = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
 132
 133     $result = htmlentities($text);
 134     if (preg_match("/^([^ ]+)@([^ ]+)$/",$text,$regs)) {
 135         $result="$mailto{$regs[1]}&#64;{$regs[2]}\">".htmlentities($regs[1]."&#64;".$regs[2])."</a>";
 136     }
 137     if (preg_match("/^([^ ]+)@([^ ]+) \((.*)\)$/",$text,$regs)) {
 138         $result="$mailto{$regs[1]}&#64;{$regs[2]}\">".htmlentities($regs[3])."</a>";
 139     }
 140     if (preg_match("/^\"?([^<>\"]+)\"? +<(.+)@(.+)>$/",$text,$regs)) {
 141         $result="$mailto{$regs[2]}&#64;{$regs[3]}\">".htmlentities($regs[1])."</a>";
 142     }
 143     return preg_replace("/\\\(\(|\))/","\\1",$result);
 144 }
 145
 146 function wrap($text, $_prefix="")
 147 {
 148     $parts = preg_split("/\n-- ?\n/", $text);
 149     if (count($parts)  >1) {
 150         $sign = "\n-- \n" . array_pop($parts);
 151         $text = join("\n-- \n", $parts);
 152     } else {
 153         $sign = '';
 154         $text = $text;
 155     }
 156
 157     global $banana;
 158     $length = $banana->wrap;
 159     $cmd = "echo ".escapeshellarg($text)." | perl -MText::Autoformat -e 'autoformat {left=>1, right=>$length, all=>1 };'";
 160     exec($cmd, $result);
 161
 162     return $_prefix.join("\n$_prefix", $result).($_prefix ? '' : $sign);
 163 }
 164
 165 function formatbody($_text) {
 166     $res  = "\n\n" . htmlentities(wrap($_text, ""))."\n\n";
 167     $res  = preg_replace("/(&lt;|&gt;|&quot;)/", " \\1 ", $res);
 168     $res  = preg_replace('/(["\[])?((https?|ftp|news):\/\/[a-z@0-9.~%$£µ&i#\-+=_\/\?]*)(["\]])?/i', "\\1<a href=\"\\2\">\\2</a>\\4", $res);
 169     $res  = preg_replace("/ (&lt;|&gt;|&quot;) /", "\\1", $res);
 170
 171     $parts = preg_split("/\n-- ?\n/", $res);
 172
 173     if (count($parts) > 1) {
 174         $sign = "</pre><hr style='width: 100%; margin: 1em 0em; ' /><pre>" . array_pop($parts);
 175         return join("\n-- \n", $parts).$sign;
 176     } else {
 177         return $res;
 178     }
 179 }
 180
 181 ?>