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1 <?php |
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2 /** |
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3 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between |
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4 * @version 1.0 (Banshee) |
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5 * Copyright (C) 2006-2007 Dan Fuhry |
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6 * |
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7 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License |
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8 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied |
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11 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. |
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12 * |
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13 */ |
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14 |
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15 // Set up gzip encoding before any output is sent |
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16 |
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17 $aggressive_optimize_html = true; |
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18 |
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19 global $do_gzip; |
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20 $do_gzip = false; |
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21 |
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22 if(isset($_SERVER['PATH_INFO'])) $v = $_SERVER['PATH_INFO']; |
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23 elseif(isset($_GET['title'])) $v = $_GET['title']; |
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24 else $v = ''; |
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25 |
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26 error_reporting(E_ALL); |
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27 |
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28 // if(!strstr($v, 'CSS') && !strstr($v, 'UploadFile') && !strstr($v, 'DownloadFile')) // These pages are blacklisted because we can't have debugConsole's HTML output disrupting the flow of header() calls and whatnot |
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29 // { |
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30 // $do_gzip = ( function_exists('gzcompress') && ( isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') ) ) ? true : false; |
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31 // // Uncomment the following line to enable debugConsole (requires PHP 5 or later) |
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32 // // define('ENANO_DEBUG', ''); |
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33 // } |
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34 |
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35 if(defined('ENANO_DEBUG')) $do_gzip = false; |
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36 |
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37 if($aggressive_optimize_html || $do_gzip) |
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38 { |
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39 ob_start(); |
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40 } |
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41 |
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42 require('includes/common.php'); |
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43 |
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44 global $db, $session, $paths, $template, $plugins; // Common objects |
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45 |
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46 if(!isset($_GET['do'])) $_GET['do'] = 'view'; |
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47 switch($_GET['do']) |
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48 { |
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49 default: |
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50 die_friendly('Invalid action', '<p>The action "'.$_GET['do'].'" is not defined. Return to <a href="'.makeUrl($paths->page).'">viewing this page\'s text</a>.</p>'); |
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51 break; |
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52 case 'view': |
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53 // echo PageUtils::getpage($paths->page, true, ( (isset($_GET['oldid'])) ? $_GET['oldid'] : false )); |
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54 $page = new PageProcessor( $paths->cpage['urlname_nons'], $paths->namespace ); |
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55 $page->send_headers = true; |
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56 $page->send(); |
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57 break; |
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58 case 'comments': |
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59 $template->header(); |
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60 $sub = ( isset ($_GET['sub']) ) ? $_GET['sub'] : false; |
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61 switch($sub) |
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62 { |
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63 case 'admin': |
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64 default: |
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65 $act = ( isset ($_GET['action']) ) ? $_GET['action'] : false; |
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66 $id = ( isset ($_GET['id']) ) ? intval($_GET['id']) : -1; |
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67 echo PageUtils::comments_html($paths->cpage['urlname_nons'], $paths->namespace, $act, Array('id'=>$id)); |
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68 break; |
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69 case 'postcomment': |
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70 if(empty($_POST['name']) || |
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71 empty($_POST['subj']) || |
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72 empty($_POST['text']) |
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73 ) { echo 'Invalid request'; break; } |
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74 $cid = ( isset($_POST['captcha_id']) ) ? $_POST['captcha_id'] : false; |
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75 $cin = ( isset($_POST['captcha_input']) ) ? $_POST['captcha_input'] : false; |
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76 PageUtils::addcomment($paths->cpage['urlname_nons'], $paths->namespace, $_POST['name'], $_POST['subj'], $_POST['text'], $cin, $cid); // All filtering, etc. is handled inside this method |
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77 echo PageUtils::comments_html($paths->cpage['urlname_nons'], $paths->namespace); |
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78 break; |
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79 case 'editcomment': |
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80 if(!isset($_GET['id']) || ( isset($_GET['id']) && !preg_match('#^([0-9]+)$#', $_GET['id']) )) { echo '<p>Invalid comment ID</p>'; break; } |
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81 $q = $db->sql_query('SELECT subject,comment_data,comment_id FROM '.table_prefix.'comments WHERE comment_id='.$_GET['id']); |
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82 if(!$q) $db->_die('The comment data could not be selected.'); |
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83 $row = $db->fetchrow(); |
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84 $db->free_result(); |
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85 echo '<form action="'.makeUrl($paths->page, 'do=comments&sub=savecomment').'" method="post">'; |
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86 echo "<br /><div class='tblholder'><table border='0' width='100%' cellspacing='1' cellpadding='4'> |
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87 <tr><td class='row1'>Subject:</td><td class='row1'><input type='text' name='subj' value='{$row['subject']}' /></td></tr> |
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88 <tr><td class='row2'>Comment:</td><td class='row2'><textarea rows='10' cols='40' style='width: 98%;' name='text'>{$row['comment_data']}</textarea></td></tr> |
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89 <tr><td class='row1' colspan='2' class='row1' style='text-align: center;'><input type='hidden' name='id' value='{$row['comment_id']}' /><input type='submit' value='Save Changes' /></td></tr> |
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90 </table></div>"; |
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91 echo '</form>'; |
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92 break; |
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93 case 'savecomment': |
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94 if(empty($_POST['subj']) || empty($_POST['text'])) { echo '<p>Invalid request</p>'; break; } |
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95 $r = PageUtils::savecomment_neater($paths->cpage['urlname_nons'], $paths->namespace, $_POST['subj'], $_POST['text'], (int)$_POST['id']); |
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96 if($r != 'good') { echo "<pre>$r</pre>"; break; } |
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97 echo PageUtils::comments_html($paths->cpage['urlname_nons'], $paths->namespace); |
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98 break; |
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99 case 'deletecomment': |
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100 if(!empty($_GET['id'])) |
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101 { |
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102 PageUtils::deletecomment_neater($paths->cpage['urlname_nons'], $paths->namespace, (int)$_GET['id']); |
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103 } |
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104 echo PageUtils::comments_html($paths->cpage['urlname_nons'], $paths->namespace); |
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105 break; |
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106 } |
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107 $template->footer(); |
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108 break; |
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109 case 'edit': |
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110 if(isset($_POST['_cancel'])) { header('Location: '.makeUrl($paths->page)); echo '<html><head><title>Redirecting...</title></head><body>If you haven\'t been redirected yet, <a href="'.makeUrl($paths->page).'">click here</a>.'; break; } |
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111 if(isset($_POST['_save'])) { |
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112 $e = PageUtils::savepage($paths->cpage['urlname_nons'], $paths->namespace, $_POST['page_text'], $_POST['edit_summary'], isset($_POST['minor'])); |
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113 header('Location: '.makeUrl($paths->page)); echo '<html><head><title>Redirecting...</title></head><body>If you haven\'t been redirected yet, <a href="'.makeUrl($paths->page).'">click here</a>.'; break; |
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114 } |
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115 $template->header(); |
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116 if(isset($_POST['_preview'])) |
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117 { |
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118 $text = $_POST['page_text']; |
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119 echo PageUtils::genPreview($_POST['page_text']); |
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120 } |
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121 else $text = RenderMan::getPage($paths->cpage['urlname_nons'], $paths->namespace, 0, false, false, false, false); |
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122 echo ' |
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123 <form action="'.makeUrl($paths->page, 'do=edit').'" method="post" enctype="multipart/form-data"> |
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124 <br /> |
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125 <textarea name="page_text" rows="20" cols="60" style="width: 97%;">'.$text.'</textarea><br /> |
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126 <br /> |
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127 '; |
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128 if($paths->wiki_mode) |
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129 echo 'Edit summary: <input name="edit_summary" type="text" size="40" /><br /><label><input type="checkbox" name="minor" /> This is a minor edit</label><br />'; |
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130 echo '<br /> |
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131 <input type="submit" name="_save" value="Save changes" style="font-weight: bold;" /> |
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132 <input type="submit" name="_preview" value="Preview changes" /> |
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133 <input type="submit" name="_revert" value="Revert changes" /> |
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134 <input type="submit" name="_cancel" value="Cancel" /> |
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135 </form> |
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136 '; |
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137 $template->footer(); |
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138 break; |
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139 case 'viewsource': |
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140 $template->header(); |
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141 $text = RenderMan::getPage($paths->cpage['urlname_nons'], $paths->namespace, 0, false, false, false, false); |
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142 echo ' |
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143 <form action="'.makeUrl($paths->page, 'do=edit').'" method="post"> |
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144 <br /> |
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145 <textarea readonly="readonly" name="page_text" rows="20" cols="60" style="width: 97%;">'.$text.'</textarea>'; |
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146 echo '<br /> |
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147 <input type="submit" name="_cancel" value="Close viewer" /> |
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148 </form> |
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149 '; |
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150 $template->footer(); |
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151 break; |
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152 case 'history': |
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153 $hist = PageUtils::histlist($paths->cpage['urlname_nons'], $paths->namespace); |
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154 $template->header(); |
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155 echo $hist; |
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156 $template->footer(); |
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157 break; |
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158 case 'rollback': |
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159 $id = (isset($_GET['id'])) ? $_GET['id'] : false; |
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160 if(!$id || !preg_match('#^([0-9]+)$#', $id)) die_friendly('Invalid action ID', '<p>The URL parameter "id" is not an integer. Exiting to prevent nasties like SQL injection, etc.</p>'); |
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161 $rb = PageUtils::rollback( (int) $id ); |
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162 $template->header(); |
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163 echo '<p>'.$rb.' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'; |
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164 $template->footer(); |
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165 break; |
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166 case 'catedit': |
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167 if(isset($_POST['__enanoSaveButton'])) |
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168 { |
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169 unset($_POST['__enanoSaveButton']); |
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170 $val = PageUtils::catsave($paths->cpage['urlname_nons'], $paths->namespace, $_POST); |
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171 if($val == 'GOOD') |
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172 { |
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173 header('Location: '.makeUrl($paths->page)); echo '<html><head><title>Redirecting...</title></head><body>If you haven\'t been redirected yet, <a href="'.makeUrl($paths->page).'">click here</a>.'; break; |
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174 } else { |
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175 die_friendly('Error saving category information', '<p>'.$val.'</p>'); |
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176 } |
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177 } |
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178 elseif(isset($_POST['__enanoCatCancel'])) |
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179 { |
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180 header('Location: '.makeUrl($paths->page)); echo '<html><head><title>Redirecting...</title></head><body>If you haven\'t been redirected yet, <a href="'.makeUrl($paths->page).'">click here</a>.'; break; |
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181 } |
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182 $template->header(); |
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183 $c = PageUtils::catedit_raw($paths->cpage['urlname_nons'], $paths->namespace); |
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184 echo $c[1]; |
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185 $template->footer(); |
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186 break; |
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187 case 'moreoptions': |
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188 $template->header(); |
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189 echo '<div class="pagebar" id="pagebarpopup2" style="width: 150px; padding: 0;">'.$template->tpl_strings['TOOLBAR_EXTRAS'].'</div>'; |
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190 $template->footer(); |
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191 break; |
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192 case 'protect': |
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193 if (!isset($_REQUEST['level'])) die_friendly('Invalid request', '<p>No protection level specified</p>'); |
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194 if(!empty($_POST['reason'])) |
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195 { |
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196 if(!preg_match('#^([0-2]*){1}$#', $_POST['level'])) die_friendly('Error protecting page', '<p>Request validation failed</p>'); |
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197 PageUtils::protect($paths->cpage['urlname_nons'], $paths->namespace, intval($_POST['level']), $_POST['reason']); |
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198 die_friendly('Page protected', '<p>The protection setting has been applied. <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'); |
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199 } |
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200 $template->header(); |
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201 ?> |
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202 <form action="<?php echo makeUrl($paths->page, 'do=protect'); ?>" method="post"> |
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203 <input type="hidden" name="level" value="<?php echo $_REQUEST['level']; ?>" /> |
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204 <?php if(isset($_POST['reason'])) echo '<p style="color: red;">Error: you must enter a reason for protecting this page.</p>'; ?> |
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205 <p>Reason for protecting the page:</p> |
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206 <p><input type="text" name="reason" size="40" /><br /> |
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207 Protecion level to be applied: <b><?php |
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208 switch($_REQUEST['level']) |
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209 { |
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210 case '0': |
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211 echo 'No protection'; |
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212 break; |
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213 case '1': |
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214 echo 'Full protection'; |
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215 break; |
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216 case '2': |
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217 echo 'Semi-protection'; |
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218 break; |
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219 default: |
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220 echo 'None;</b> Warning: request validation will fail after clicking submit<b>'; |
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221 } |
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222 ?></b></p> |
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223 <p><input type="submit" value="Protect page" style="font-weight: bold;" /></p> |
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224 </form> |
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225 <?php |
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226 $template->footer(); |
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227 break; |
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228 case 'rename': |
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229 if(!empty($_POST['newname'])) |
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230 { |
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231 $r = PageUtils::rename($paths->cpage['urlname_nons'], $paths->namespace, $_POST['newname']); |
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232 die_friendly('Page renamed', '<p>'.nl2br($r).' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'); |
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233 } |
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234 $template->header(); |
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235 ?> |
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236 <form action="<?php echo makeUrl($paths->page, 'do=rename'); ?>" method="post"> |
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237 <?php if(isset($_POST['newname'])) echo '<p style="color: red;">Error: you must enter a new name for this page.</p>'; ?> |
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238 <p>Please enter a new name for this page:</p> |
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239 <p><input type="text" name="newname" size="40" /></p> |
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240 <p><input type="submit" value="Rename page" style="font-weight: bold;" /></p> |
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241 </form> |
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242 <?php |
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243 $template->footer(); |
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244 break; |
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245 case 'flushlogs': |
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246 if(!$session->get_permissions('clear_logs')) die_friendly('Access denied', '<p>Flushing the logs for a page <u>requires</u> administrative rights.</p>'); |
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247 if(isset($_POST['_downthejohn'])) |
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248 { |
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249 $template->header(); |
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250 $result = PageUtils::flushlogs($paths->cpage['urlname_nons'], $paths->namespace); |
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251 echo '<p>'.$result.' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'; |
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252 $template->footer(); |
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253 break; |
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254 } |
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255 $template->header(); |
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256 ?> |
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257 <form action="<?php echo makeUrl($paths->page, 'do=flushlogs'); ?>" method="post"> |
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258 <h3>You are about to <span style="color: red;">destroy</span> all logged edits and actions on this page.</h3> |
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259 <p>Unlike deleting or editing this page, this action is <u>not reversible</u>! You should only do this if you are desperate for |
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260 database space.</p> |
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261 <p>Do you really want to continue?</p> |
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262 <p><input type="submit" name="_downthejohn" value="Flush logs" style="color: red; font-weight: bold;" /></p> |
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263 </form> |
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264 <?php |
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265 $template->footer(); |
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266 break; |
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267 case 'delvote': |
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268 if(isset($_POST['_ballotbox'])) |
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269 { |
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270 $template->header(); |
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271 $result = PageUtils::delvote($paths->cpage['urlname_nons'], $paths->namespace); |
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272 echo '<p>'.$result.' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'; |
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273 $template->footer(); |
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274 break; |
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275 } |
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276 $template->header(); |
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277 ?> |
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278 <form action="<?php echo makeUrl($paths->page, 'do=delvote'); ?>" method="post"> |
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279 <h3>Your vote counts.</h3> |
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280 <p>If you think that this page is not relavent to the content on this site, or if it looks like this page was only created in |
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281 an attempt to spam the site, you can request that this page be deleted by an administrator.</p> |
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282 <p>After you vote, you should leave a comment explaining the reason for your vote, especially if you are the first person to |
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283 vote against this page.</p> |
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284 <p>So far, <?php echo ( $paths->cpage['delvotes'] == 1 ) ? $paths->cpage['delvotes'] . ' person has' : $paths->cpage['delvotes'] . ' people have'; ?> voted to delete this page.</p> |
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285 <p><input type="submit" name="_ballotbox" value="Vote to delete this page" /></p> |
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286 </form> |
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287 <?php |
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288 $template->footer(); |
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289 break; |
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290 case 'resetvotes': |
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291 if(!$session->get_permissions('vote_reset')) die_friendly('Access denied', '<p>Resetting the deletion votes against this page <u>requires</u> admin rights.</p>'); |
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292 if(isset($_POST['_youmaylivealittlelonger'])) |
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293 { |
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294 $template->header(); |
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295 $result = PageUtils::resetdelvotes($paths->cpage['urlname_nons'], $paths->namespace); |
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296 echo '<p>'.$result.' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'; |
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297 $template->footer(); |
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298 break; |
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299 } |
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300 $template->header(); |
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301 ?> |
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302 <form action="<?php echo makeUrl($paths->page, 'do=resetvotes'); ?>" method="post"> |
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303 <p>This action will reset the number of votes against this page to zero. Are you sure you want to do this?</p> |
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304 <p><input type="submit" name="_youmaylivealittlelonger" value="Reset votes" /></p> |
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305 </form> |
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306 <?php |
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307 $template->footer(); |
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308 break; |
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309 case 'deletepage': |
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310 if(!$session->get_permissions('delete_page')) die_friendly('Access denied', '<p>Deleting pages <u>requires</u> admin rights.</p>'); |
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311 if(isset($_POST['_adiossucker'])) |
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312 { |
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313 $template->header(); |
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314 $result = PageUtils::deletepage($paths->cpage['urlname_nons'], $paths->namespace); |
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315 echo '<p>'.$result.' <a href="'.makeUrl($paths->page).'">Return to the page</a>.</p>'; |
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316 $template->footer(); |
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317 break; |
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318 } |
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319 $template->header(); |
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320 ?> |
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321 <form action="<?php echo makeUrl($paths->page, 'do=deletepage'); ?>" method="post"> |
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322 <h3>You are about to <span style="color: red;">destroy</span> this page.</h3> |
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323 <p>While the deletion of the page itself is completely reversible, it is impossible to recover any comments or category information on this page. If this is a file page, the file along with all older revisions of it will be permanently deleted. Also, any custom information that this page is tagged with, such as a custom name, protection status, or additional settings such as whether to allow comments, will be permanently lost.</p> |
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324 <p>Are you <u>absolutely sure</u> that you want to continue?<br /> |
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325 You will not be asked again.</p> |
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326 <p><input type="submit" name="_adiossucker" value="Delete this page" style="color: red; font-weight: bold;" /></p> |
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327 </form> |
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328 <?php |
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329 $template->footer(); |
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330 break; |
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331 case 'setwikimode': |
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332 if(!$session->get_permissions('set_wiki_mode')) die_friendly('Access denied', '<p>Changing the wiki mode setting <u>requires</u> admin rights.</p>'); |
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333 if(!isset($_GET['level']) || ( isset($_GET['level']) && !preg_match('#^([0-9])$#', $_GET['level']))) die_friendly('Invalid request', '<p>Level not specified</p>'); |
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334 $template->header(); |
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335 $template->footer(); |
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336 break; |
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337 case 'diff': |
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338 $template->header(); |
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339 $id1 = ( isset($_GET['diff1']) ) ? (int)$_GET['diff1'] : false; |
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340 $id2 = ( isset($_GET['diff2']) ) ? (int)$_GET['diff2'] : false; |
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341 if(!$id1 || !$id2) { echo '<p>Invalid request.</p>'; $template->footer(); break; } |
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342 if(!preg_match('#^([0-9]+)$#', (string)$_GET['diff1']) || |
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343 !preg_match('#^([0-9]+)$#', (string)$_GET['diff2'] )) { echo '<p>SQL injection attempt</p>'; $template->footer(); break; } |
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344 echo PageUtils::pagediff($paths->cpage['urlname_nons'], $paths->namespace, $id1, $id2); |
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345 $template->footer(); |
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346 break; |
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347 case 'aclmanager': |
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348 $data = ( isset($_POST['data']) ) ? $_POST['data'] : Array('mode' => 'listgroups'); |
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349 PageUtils::aclmanager($data); |
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350 break; |
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351 } |
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352 |
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353 // |
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354 // Optimize HTML by replacing newlines with spaces (excludes <pre>, <script>, and <style> blocks) |
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355 // |
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356 if ($aggressive_optimize_html) |
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357 { |
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358 // Load up the HTML |
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359 $html = ob_get_contents(); |
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360 ob_end_clean(); |
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361 |
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362 // Which tags to strip - you can change this if needed |
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363 $strip_tags = Array('pre', 'script', 'style', 'enano:no-opt'); |
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364 $strip_tags = implode('|', $strip_tags); |
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365 |
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366 // Strip out the tags and replace with placeholders |
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367 preg_match_all("#<($strip_tags)(.*?)>(.*?)</($strip_tags)>#is", $html, $matches); |
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368 $seed = md5(microtime() . mt_rand()); // Random value used for placeholders |
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369 for ($i = 0;$i < sizeof($matches[1]); $i++) |
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370 { |
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371 $html = str_replace("<{$matches[1][$i]}{$matches[2][$i]}>{$matches[3][$i]}</{$matches[4][$i]}>", "{DONT_STRIP_ME_NAKED:$seed:$i}", $html); |
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372 } |
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373 |
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374 // Finally, process the HTML |
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375 $html = preg_replace("#\n([ ]*)#", " ", $html); |
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376 |
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377 // Remove annoying spaces between tags |
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378 $html = preg_replace("#>([ ]*?){2,}<#", "> <", $html); |
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379 |
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380 // Re-insert untouchable tags |
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381 for ($i = 0;$i < sizeof($matches[1]); $i++) |
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382 { |
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383 $html = str_replace("{DONT_STRIP_ME_NAKED:$seed:$i}", "<{$matches[1][$i]}{$matches[2][$i]}>{$matches[3][$i]}</{$matches[4][$i]}>", $html); |
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384 } |
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385 |
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386 // Remove <enano:no-opt> blocks (can be used by themes that don't want their HTML optimized) |
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387 $html = preg_replace('#<(\/|)enano:no-opt(.*?)>#', '', $html); |
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388 |
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389 // Tell snoopish users what's going on |
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390 $html = str_replace('<html>', "\n<!-- NOTE: This HTML document has been Aggressively Optimized(TM) by Enano to make page loading faster. -->\n<html>", $html); |
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391 |
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392 // Re-enable output buffering to allow the Gzip function (below) to work |
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393 ob_start(); |
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394 |
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395 // Done, send it to the user |
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396 echo( $html ); |
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397 } |
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398 |
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399 // |
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400 // Compress buffered output if required and send to browser |
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401 // |
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402 if ( $do_gzip ) |
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403 { |
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404 // |
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405 // Copied from phpBB, which was in turn borrowed from php.net |
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406 // |
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407 $gzip_contents = ob_get_contents(); |
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408 ob_end_clean(); |
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409 |
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410 $gzip_size = strlen($gzip_contents); |
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411 $gzip_crc = crc32($gzip_contents); |
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412 |
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413 $gzip_contents = gzcompress($gzip_contents, 9); |
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414 $gzip_contents = substr($gzip_contents, 0, strlen($gzip_contents) - 4); |
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415 |
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416 header('Content-encoding: gzip'); |
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417 echo "\x1f\x8b\x08\x00\x00\x00\x00\x00"; |
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418 echo $gzip_contents; |
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419 echo pack('V', $gzip_crc); |
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420 echo pack('V', $gzip_size); |
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421 } |
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422 |
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423 $db->close(); |
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424 |
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425 ?> |