viewtext.php

   1 <?php
   2
   3   // Simple file viewer
   4   // Allows viewing of files with word wrap.
   5
   6 function mq($x) {
   7   if (get_magic_quotes_gpc()) return stripslashes($x);
   8   else return $x;
   9 }
  10
  11 $file = mq(@$_GET['file']);
  12 $title = mq(@$_GET['title']);
  13 $numbers = mq(@$_GET['numbers']);
  14 $search = mq(@$_GET['search']);
  15
  16 $file = trim($file);
  17
  18 if ($title == '') $title = $file;
  19
  20 $files = explode("\n", file_get_contents('viewtext.txt'));
  21
  22 foreach($files as $idx => $line) {
  23   if ($line != '') {
  24     $parts = explode('|', $line);
  25     $name = $parts[0];
  26     $label = '';
  27     if (count($parts) > 1) $label = " - " . $parts[1];
  28     if ($file != '') $files[$idx] = $name;
  29     else {
  30       $files[$idx] = "<input type='radio' name='file' value='$name'/> <a href=\"?file=$name\">$name</a>$label<br/>";
  31       if (count($files) > ($idx+2) && $files[$idx+1] == '') {
  32         $files[$idx] .= "<br/>";
  33       }
  34     }
  35   }
  36 }
  37
  38 if ($file == '') {
  39   if ($title == '') $title = "Text Viewer";
  40 } else {
  41   if (!in_array($file, $files)) {
  42     echo "Thought you could access some random file, didn't you. Not!";
  43     return;
  44   }
  45
  46   $text = htmlspecialchars(file_get_contents($file));
  47
  48   // Do search, if requested
  49   if ($search != '') {
  50     $i = 1;
  51     // Escape special chars in the search string
  52     $search = preg_replace("=([/\\\\^$.[\\]|()?*+{}])=", '\\\\$1', $search);
  53     // Now replace instances of the search string
  54     $text = preg_replace_callback('/' . $search . '/i', "searchBody", $text);
  55     // Make the last match loop around
  56     $text = str_replace('href="#' . $i . '">', 'href="#1">', $text);
  57   }
  58
  59   // Add line numbers, if requested
  60   if ($numbers != '') {
  61     $lines = explode("\n", $text);
  62     $cnt = count($lines);
  63     $digits = strlen($cnt);
  64     $format = "%0" . $digits . 'd';
  65     $i = 1;
  66     foreach ($lines as $idx => $line) {
  67       if ($i < $cnt || $line != '') {
  68         $lines[$idx] = '<a name="line' . $i . '" href="#line' . $i . '">' .
  69           sprintf($format, $i) . '</a> ' . $line;
  70       }
  71       $i++;
  72     }
  73     $text = implode("\n", $lines);
  74   }
  75
  76   // Add line breaks
  77   $text = str_replace("\n", "<br>\n", $text);
  78
  79   // Make spaces non-breaking
  80   $text = str_replace(" ", "&nbsp;", $text);
  81
  82   // And change the non-duplicated ones back to spaces
  83   $text = preg_replace("/([^;])&nbsp;([^&])/", "$1 $2", $text);
  84
  85   // Once more to get the remaining &nbsp; after single chars
  86   $text = preg_replace("/([^;])&nbsp;([^&])/", "$1 $2", $text);
  87 }
  88
  89 function searchBody($match) {
  90   global $i;
  91   return '<a name="' . $i . '" href="#' . ++$i . '"><b>' . $match[0] . '</b></a>';
  92 }
  93
  94 ?>
  95 <html>
  96 <head>
  97 <title><? echo htmlspecialchars($title); ?></title>
  98 </head>
  99 <body>
 100 <?
 101 if ($file != '') {
 102 ?>
 103 <div style="font-family: courier">
 104 <? echo $text; ?>
 105 </div>
 106 <?
 107 } else {
 108   echo "You may view the following files.<br>Click on a file name or click a radio button and click one of the buttons below the list.<p>\n";
 109   echo "<form action='#1' method='get'>\n";
 110   foreach ($files as $line) echo $line;
 111   echo "<p>Search selected file for: <input type='text' name='search'> <input type='submit' name='Go' value='Go'/>\n";
 112   echo "<br>View selected file with line numbers? <input type='submit' name='numbers' value='Yes'>\n";
 113   echo "</form>\n";
 114  }
 115 ?>
 116 </body>
 117 </html>
 118
 119 <?
 120
 121 /* ***** BEGIN LICENSE BLOCK *****
 122  * Version: MPL 1.1/GPL 2.0/LGPL 2.1/Apache 2.0
 123  *
 124  * The contents of this file are subject to the Mozilla Public License Version
 125  * 1.1 (the "License"); you may not use this file except in compliance with
 126  * the License. You may obtain a copy of the License at
 127  * http://www.mozilla.org/MPL/
 128  *
 129  * Software distributed under the License is distributed on an "AS IS" basis,
 130  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 131  * for the specific language governing rights and limitations under the
 132  * License.
 133  *
 134  * The Original Code is LoomClient PHP library
 135  *
 136  * The Initial Developer of the Original Code is
 137  * Bill St. Clair.
 138  * Portions created by the Initial Developer are Copyright (C) 2008
 139  * the Initial Developer. All Rights Reserved.
 140  *
 141  * Contributor(s):
 142  *   Bill St. Clair <bill@billstclair.com>
 143  *
 144  * Alternatively, the contents of this file may be used under the
 145  * terms of the GNU General Public License Version 2 or later (the
 146  * "GPL"), the GNU Lesser General Public License Version 2.1 or later
 147  * (the "LGPL"), or The Apache License Version 2.0 (the "AL"), in
 148  * which case the provisions of the GPL, LGPL, or AL are applicable
 149  * instead of those above. If you wish to allow use of your version of
 150  * this file only under the terms of the GPL, the LGPL, or the AL, and
 151  * not to allow others to use your version of this file under the
 152  * terms of the MPL, indicate your decision by deleting the provisions
 153  * above and replace them with the notice and other provisions
 154  * required by the GPL or the LGPL. If you do not delete the
 155  * provisions above, a recipient may use your version of this file
 156  * under the terms of any one of the MPL, the GPL the LGPL, or the AL.
 157  ****** END LICENSE BLOCK ***** */
 158 ?>