| 1 | <?php |
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| 2 | /* |
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| 3 | |
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| 4 | Copyright (c) 2002, Hendrik Mans <hendrik@mans.de> |
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| 5 | Copyright 2003 Carlo Zottmann |
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| 6 | Copyright 2004 Jason Tourtelotte <wikka-admin@jsnx.com> |
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| 7 | All rights reserved. |
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| 8 | |
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| 9 | Redistribution and use in source and binary forms, with or without |
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| 10 | modification, are permitted provided that the following conditions |
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| 11 | are met: |
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| 12 | 1. Redistributions of source code must retain the above copyright |
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| 13 | notice, this list of conditions and the following disclaimer. |
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| 14 | 2. Redistributions in binary form must reproduce the above copyright |
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| 15 | notice, this list of conditions and the following disclaimer in the |
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| 16 | documentation and/or other materials provided with the distribution. |
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| 17 | 3. The name of the author may not be used to endorse or promote products |
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| 18 | derived from this software without specific prior written permission. |
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| 19 | |
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| 20 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 21 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 22 | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 23 | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 24 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 25 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 26 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 27 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 28 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 29 | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 30 | |
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| 31 | */ |
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| 32 | |
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| 33 | ob_start(); |
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| 34 | |
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| 35 | //error_reporting(E_ALL); |
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| 36 | error_reporting (E_ALL ^ E_NOTICE); |
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| 37 | |
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| 38 | // Do not change the version number or you will have problems upgrading. |
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| 39 | define("WAKKA_VERSION", "1.1.5.2"); |
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| 40 | function getmicrotime() { |
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| 41 | list($usec, $sec) = explode(" ", microtime()); |
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| 42 | return ((float)$usec + (float)$sec); |
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| 43 | } |
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| 44 | |
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| 45 | $tstart = getmicrotime(); |
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| 46 | |
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| 47 | class Wakka |
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| 48 | { |
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| 49 | var $dblink; |
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| 50 | var $page; |
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| 51 | var $tag; |
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| 52 | var $queryLog = array(); |
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| 53 | var $interWiki = array(); |
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| 54 | var $VERSION; |
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| 55 | |
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| 56 | // constructor |
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| 57 | function Wakka($config) |
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| 58 | { |
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| 59 | $this->config = $config; |
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| 60 | $this->dblink = @mysql_connect($this->config["mysql_host"], $this->config["mysql_user"], $this->config["mysql_password"]); |
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| 61 | if ($this->dblink) |
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| 62 | { |
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| 63 | if (!@mysql_select_db($this->config["mysql_database"], $this->dblink)) |
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| 64 | { |
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| 65 | @mysql_close($this->dblink); |
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| 66 | $this->dblink = false; |
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| 67 | } |
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| 68 | } |
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| 69 | $this->VERSION = WAKKA_VERSION; |
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| 70 | } |
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| 71 | |
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| 72 | // DATABASE |
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| 73 | function Query($query) |
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| 74 | { |
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| 75 | $start = $this->GetMicroTime(); |
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| 76 | if (!$result = mysql_query($query, $this->dblink)) |
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| 77 | { |
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| 78 | ob_end_clean(); |
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| 79 | die("Query failed: ".$query." (".mysql_error().")"); |
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| 80 | } |
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| 81 | if($this->GetConfigValue("sql_debugging")) |
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| 82 | { |
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| 83 | $time = $this->GetMicroTime() - $start; |
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| 84 | $this->queryLog[] = array( |
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| 85 | "query" => $query, |
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| 86 | "time" => $time); |
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| 87 | } |
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| 88 | return $result; |
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| 89 | } |
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| 90 | function LoadSingle($query) { if ($data = $this->LoadAll($query)) return $data[0]; } |
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| 91 | function LoadAll($query) |
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| 92 | { |
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| 93 | $data=array(); |
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| 94 | if ($r = $this->Query($query)) |
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| 95 | { |
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| 96 | while ($row = mysql_fetch_assoc($r)) $data[] = $row; |
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| 97 | mysql_free_result($r); |
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| 98 | } |
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| 99 | return $data; |
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| 100 | } |
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| 101 | function CheckMySQLVersion($major, $minor, $subminor) |
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| 102 | { |
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| 103 | $result = @mysql_query('SELECT VERSION() AS version'); |
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| 104 | if ($result != FALSE && @mysql_num_rows($result) > 0) |
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| 105 | { |
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| 106 | $row = mysql_fetch_array($result); |
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| 107 | $match = explode('.', $row['version']); |
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| 108 | } |
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| 109 | else |
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| 110 | { |
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| 111 | $result = @mysql_query('SHOW VARIABLES LIKE \'version\''); |
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| 112 | if ($result != FALSE && @mysql_num_rows($result) > 0) { |
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| 113 | $row = mysql_fetch_row($result); |
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| 114 | $match = explode('.', $row[1]); |
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| 115 | } else { |
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| 116 | return 0; |
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| 117 | } |
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| 118 | } |
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| 119 | |
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| 120 | $mysql_major = $match[0]; |
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| 121 | $mysql_minor = $match[1]; |
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| 122 | $mysql_subminor = $match[2][0].$match[2][1]; |
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| 123 | |
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| 124 | if ($mysql_major > $major) { |
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| 125 | return 1; |
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| 126 | } else { |
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| 127 | if (($mysql_major == $major) && ($mysql_minor >= $minor) && ($mysql_subminor >= $subminor)) { |
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| 128 | return 1; |
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| 129 | } else { |
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| 130 | return 0; |
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| 131 | } |
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| 132 | } |
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| 133 | } |
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| 134 | |
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| 135 | // MISC |
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| 136 | function GetMicroTime() { list($usec, $sec) = explode(" ",microtime()); return ((float)$usec + (float)$sec); } |
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| 137 | function IncludeBuffered($filename, $notfoundText = "", $vars = "", $path = "") |
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| 138 | { |
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| 139 | if ($path) $dirs = explode(":", $path); |
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| 140 | else $dirs = array(""); |
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| 141 | |
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| 142 | foreach($dirs as $dir) |
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| 143 | { |
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| 144 | if ($dir) $dir .= "/"; |
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| 145 | $fullfilename = $dir.$filename; |
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| 146 | if (file_exists($fullfilename)) |
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| 147 | { |
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| 148 | if (is_array($vars)) extract($vars); |
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| 149 | |
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| 150 | ob_start(); |
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| 151 | include($fullfilename); |
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| 152 | $output = ob_get_contents(); |
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| 153 | ob_end_clean(); |
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| 154 | return $output; |
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| 155 | } |
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| 156 | } |
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| 157 | if ($notfoundText) return $notfoundText; |
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| 158 | else return false; |
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| 159 | } |
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| 160 | function ReturnSafeHTML($html) |
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| 161 | { |
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| 162 | require_once('safehtml/classes/HTMLSax.php'); |
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| 163 | require_once('safehtml/classes/safehtml.php'); |
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| 164 | |
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| 165 | // Save all "<" symbols |
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| 166 | $filtered_output = preg_replace("/<(?=[^a-zA-Z\/\!\?\%])/", "<", $html); |
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| 167 | |
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| 168 | // Opera6 bug workaround |
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| 169 | $filtered_output = str_replace("\xC0\xBC", "<", $filtered_output); |
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| 170 | |
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| 171 | // Instantiate the handler |
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| 172 | $handler=& new safehtml(); |
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| 173 | |
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| 174 | // Instantiate the parser |
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| 175 | $parser=& new XML_HTMLSax(); |
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| 176 | |
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| 177 | // Register the handler with the parser |
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| 178 | $parser->set_object($handler); |
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| 179 | |
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| 180 | // Set the handlers |
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| 181 | $parser->set_element_handler('openHandler','closeHandler'); |
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| 182 | $parser->set_data_handler('dataHandler'); |
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| 183 | $parser->set_escape_handler('escapeHandler'); |
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| 184 | |
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| 185 | $parser->parse($filtered_output); |
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| 186 | |
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| 187 | $filtered_output = $handler->getXHTML(); |
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| 188 | return $filtered_output; |
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| 189 | } |
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| 190 | // VARIABLES |
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| 191 | function GetPageTag() { return $this->tag; } |
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| 192 | function GetPageTime() { return $this->page["time"]; } |
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| 193 | function GetMethod() { return $this->method; } |
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| 194 | function GetConfigValue($name) { return (isset($this->config[$name])) ? $this->config[$name] : null; } |
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| 195 | function GetWakkaName() { return $this->GetConfigValue("wakka_name"); } |
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| 196 | function GetWakkaVersion() { return $this->VERSION; } |
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| 197 | |
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| 198 | // PAGES |
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| 199 | function LoadPage($tag, $time = "", $cache = 1) { |
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| 200 | // retrieve from cache |
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| 201 | if (!$time && $cache) { |
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| 202 | $page = isset($this->pageCache[$tag]) ? $this->pageCache[$tag] : null; |
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| 203 | if ($page=="cached_nonexistent_page") return null; |
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| 204 | } |
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| 205 | // load page |
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| 206 | if (!isset($page)) $page = $this->LoadSingle("select * from ".$this->config["table_prefix"]."pages where tag = '".mysql_real_escape_string($tag)."' ".($time ? "and time = '".mysql_real_escape_string($time)."'" : "and latest = 'Y'")." limit 1"); |
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| 207 | // cache result |
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| 208 | if ($page && !$time) { |
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| 209 | $this->pageCache[$page["tag"]] = $page; |
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| 210 | } elseif (!$page) { |
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| 211 | $this->pageCache[$tag] = "cached_nonexistent_page"; |
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| 212 | } |
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| 213 | return $page; |
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| 214 | } |
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| 215 | function IsLatestPage() { |
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| 216 | return $this->latest; |
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| 217 | } |
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| 218 | function GetCachedPage($tag) { return (isset($this->pageCache[$tag])) ? $this->pageCache[$tag] : null; } |
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| 219 | function CachePage($page) { $this->pageCache[$page["tag"]] = $page; } |
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| 220 | function SetPage($page) { $this->page = $page; if ($this->page["tag"]) $this->tag = $this->page["tag"]; } |
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| 221 | function LoadPageById($id) { return $this->LoadSingle("select * from ".$this->config["table_prefix"]."pages where id = '".mysql_real_escape_string($id)."' limit 1"); } |
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| 222 | function LoadRevisions($page) { return $this->LoadAll("select * from ".$this->config["table_prefix"]."pages where tag = '".mysql_real_escape_string($page)."' order by time desc"); } |
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| 223 | function LoadPagesLinkingTo($tag) { return $this->LoadAll("select from_tag as tag from ".$this->config["table_prefix"]."links where to_tag = '".mysql_real_escape_string($tag)."' order by tag"); } |
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| 224 | function LoadRecentlyChanged() |
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| 225 | { |
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| 226 | if ($pages = $this->LoadAll("select * from ".$this->config["table_prefix"]."pages where latest = 'Y' order by time desc")) |
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| 227 | { |
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| 228 | foreach ($pages as $page) |
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| 229 | { |
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| 230 | $this->CachePage($page); |
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| 231 | } |
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| 232 | return $pages; |
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| 233 | } |
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| 234 | } |
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| 235 | function LoadWantedPages() { return $this->LoadAll("select distinct ".$this->config["table_prefix"]."links.to_tag as tag,count(".$this->config["table_prefix"]."links.from_tag) as count from ".$this->config["table_prefix"]."links left join ".$this->config["table_prefix"]."pages on ".$this->config["table_prefix"]."links.to_tag = ".$this->config["table_prefix"]."pages.tag where ".$this->config["table_prefix"]."pages.tag is NULL group by tag order by count desc"); } |
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| 236 | function IsWantedPage($tag) |
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| 237 | { |
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| 238 | if ($pages = $this->LoadWantedPages()) |
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| 239 | { |
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| 240 | foreach ($pages as $page) |
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| 241 | { |
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| 242 | if ($page["tag"] == $tag) return true; |
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| 243 | } |
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| 244 | } |
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| 245 | return false; |
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| 246 | } |
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| 247 | function LoadOrphanedPages() { return $this->LoadAll("select distinct tag from ".$this->config["table_prefix"]."pages left join ".$this->config["table_prefix"]."links on ".$this->config["table_prefix"]."pages.tag = ".$this->config["table_prefix"]."links.to_tag where ".$this->config["table_prefix"]."links.to_tag is NULL order by tag"); } |
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| 248 | function LoadPageTitles() { return $this->LoadAll("select distinct tag from ".$this->config["table_prefix"]."pages order by tag"); } |
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| 249 | function LoadAllPages() { return $this->LoadAll("select * from ".$this->config["table_prefix"]."pages where latest = 'Y' order by tag"); } |
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| 250 | // function FullTextSearch($phrase) { return $this->LoadAll("select * from ".$this->config["table_prefix"]."pages where latest = 'Y' and match(tag, body) against('".mysql_real_escape_string($phrase)."')"); } |
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| 251 | function FullTextSearch($phrase) |
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| 252 | { |
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| 253 | $data = ""; |
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| 254 | if ($this->CheckMySQLVersion(4,00,01)) |
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| 255 | { |
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| 256 | $data = $this->LoadAll("select * from " |
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| 257 | .$this->config["table_prefix"] |
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| 258 | ."pages where latest = 'Y' and match(tag, body) against('".mysql_real_escape_string($phrase) |
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| 259 | ."' IN BOOLEAN MODE) order by time DESC"); |
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| 260 | } |
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| 261 | // else if ($this->CheckMySQLVersion(3,23,23)) |
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| 262 | // { |
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| 263 | // $data = $this->LoadAll("select * from " |
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| 264 | // .$this->config["table_prefix"] |
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| 265 | // ."pages where latest = 'Y' and |
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| 266 | // match(tag, body) |
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| 267 | // against('".mysql_real_escape_string($phrase)."') |
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| 268 | // order by time DESC"); |
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| 269 | // } |
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| 270 | |
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| 271 | /* if no results perform a more general search */ |
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| 272 | if (!$data) { |
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| 273 | $data = $this->LoadAll("select * from " |
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| 274 | .$this->config["table_prefix"] |
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| 275 | ."pages where latest = 'Y' and |
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| 276 | (tag like '%".mysql_real_escape_string($phrase)."%' or |
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| 277 | body like '%".mysql_real_escape_string($phrase)."%') |
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| 278 | order by time DESC"); |
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| 279 | } |
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| 280 | |
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| 281 | return($data); |
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| 282 | } |
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| 283 | function FullCategoryTextSearch($phrase) { return $this->LoadAll("select * from ".$this->config["table_prefix"]."pages where latest = 'Y' and match(body) against('".mysql_real_escape_string($phrase)."' IN BOOLEAN MODE)"); } |
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| 284 | function SavePage($tag, $body, $note) |
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| 285 | { |
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| 286 | // get current user |
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| 287 | $user = $this->GetUserName(); |
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| 288 | |
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| 289 | // TODO: check write privilege |
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| 290 | if ($this->HasAccess("write", $tag)) |
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| 291 | { |
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| 292 | // is page new? |
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| 293 | if (!$oldPage = $this->LoadPage($tag)) |
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| 294 | { |
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| 295 | // current user is owner if user is logged in, otherwise, no owner. |
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| 296 | if ($this->GetUser()) $owner = $user; |
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| 297 | } |
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| 298 | else |
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| 299 | { |
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| 300 | // aha! page isn't new. keep owner! |
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| 301 | $owner = $oldPage["owner"]; |
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| 302 | } |
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| 303 | |
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| 304 | // set all other revisions to old |
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| 305 | $this->Query("update ".$this->config["table_prefix"]."pages set latest = 'N' where tag = '".mysql_real_escape_string($tag)."'"); |
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| 306 | |
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| 307 | // add new revision |
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| 308 | $this->Query("insert into ".$this->config["table_prefix"]."pages set ". |
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| 309 | "tag = '".mysql_real_escape_string($tag)."', ". |
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| 310 | "time = now(), ". |
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| 311 | "owner = '".mysql_real_escape_string($owner)."', ". |
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| 312 | "user = '".mysql_real_escape_string($user)."', ". |
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| 313 | "note = '".mysql_real_escape_string($note)."', ". |
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| 314 | "latest = 'Y', ". |
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| 315 | "body = '".mysql_real_escape_string($body)."'"); |
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| 316 | |
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| 317 | if ($pingdata = $this->GetPingParams($this->config["wikiping_server"], $tag, $user, $note)) |
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| 318 | $this->WikiPing($pingdata); |
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| 319 | } |
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| 320 | } |
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| 321 | function PageTitle() { |
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| 322 | $title = ""; |
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| 323 | $pagecontent = $this->page["body"]; |
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| 324 | if (ereg( "(=){2,5}([^=\n]+)(=){2,5}", $pagecontent, $title)) { |
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| 325 | $formatting_tags = array("**", "//", "__", "##", "''", "++", "#%", "@@", "\"\""); |
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| 326 | $title = str_replace($formatting_tags, "", $title[2]); |
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| 327 | } |
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| 328 | if ($title) return $title; |
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| 329 | else return $this->GetPageTag(); |
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| 330 | } |
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| 331 | |
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| 332 | // WIKI PING -- Coded by DreckFehler |
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| 333 | function HTTPpost($host, $data, $contenttype="application/x-www-form-urlencoded", $maxAttempts = 5) { |
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| 334 | $attempt =0; $status = 300; $result = ""; |
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| 335 | while ($status >= 300 && $status < 400 && $attempt++ <= $maxAttempts) { |
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| 336 | $url = parse_url($host); |
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| 337 | if (isset($url["path"]) == false) $url["path"] = "/"; |
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| 338 | if (isset($url["port"]) == false) $url["port"] = 80; |
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| 339 | |
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| 340 | if ($socket = fsockopen ($url["host"], $url["port"], $errno, $errstr, 15)) { |
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| 341 | $strQuery = "POST ".$url["path"]." HTTP/1.1\n"; |
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| 342 | $strQuery .= "Host: ".$url["host"]."\n"; |
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| 343 | $strQuery .= "Content-Length: ".strlen($data)."\n"; |
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| 344 | $strQuery .= "Content-Type: ".$contenttype."\n"; |
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| 345 | $strQuery .= "Connection: close\n\n"; |
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| 346 | $strQuery .= $data; |
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| 347 | |
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| 348 | // send request & get response |
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| 349 | fputs($socket, $strQuery); |
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| 350 | $bHeader = true; |
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| 351 | while (!feof($socket)) { |
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| 352 | $strLine = trim(fgets($socket, 512)); |
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| 353 | if (strlen($strLine) == 0) $bHeader = false; // first empty line ends header-info |
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| 354 | if ($bHeader) { |
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| 355 | if (!$status) $status = $strLine; |
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| 356 | if (preg_match("/^Location:\s(.*)/", $strLine, $matches)) $location = $matches[1]; |
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| 357 | } else $result .= trim($strLine)."\n"; |
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| 358 | } |
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| 359 | fclose ($socket); |
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| 360 | } else $status = "999 timeout"; |
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| 361 | |
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| 362 | if ($status) { |
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| 363 | if(preg_match("/(\d){3}/", $status, $matches)) $status = $matches[1]; |
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| 364 | } else $status = 999; |
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| 365 | $host = $location; |
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| 366 | } |
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| 367 | if (preg_match("/^[\da-fA-F]+(.*)$/", $result, $matches)) $result = $matches[1]; |
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| 368 | return $result; |
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| 369 | } |
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| 370 | function WikiPing($ping, $debug = false) { |
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| 371 | if ($ping) { |
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| 372 | $rpcRequest .= "<methodCall>\n"; |
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| 373 | $rpcRequest .= "<methodName>wiki.ping</methodName>\n"; |
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| 374 | $rpcRequest .= "<params>\n"; |
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| 375 | $rpcRequest .= "<param>\n<value>\n<struct>\n"; |
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| 376 | $rpcRequest .= "<member>\n<name>tag</name>\n<value>".$ping["tag"]."</value>\n</member>\n"; |
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| 377 | $rpcRequest .= "<member>\n<name>url</name>\n<value>".$ping["taglink"]."</value>\n</member>\n"; |
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| 378 | $rpcRequest .= "<member>\n<name>wiki</name>\n<value>".$ping["wiki"]."</value>\n</member>\n"; |
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| 379 | if ($ping["author"]) { |
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| 380 | $rpcRequest .= "<member>\n<name>author</name>\n<value>".$ping["author"]."</value>\n</member>\n"; |
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| 381 | if ($ping["authorpage"]) $rpcRequest .= "<member>\n<name>authorpage</name>\n<value>".$ping["authorpage"]."</value>\n</member>\n"; |
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| 382 | } |
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| 383 | if ($ping["history"]) $rpcRequest .= "<member>\n<name>history</name>\n<value>".$ping["history"]."</value>\n</member>\n"; |
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| 384 | if ($ping["changelog"]) $rpcRequest .= "<member>\n<name>changelog</name>\n<value>".$ping["changelog"]."</value>\n</member>\n"; |
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| 385 | $rpcRequest .= "</struct>\n</value>\n</param>\n"; |
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| 386 | $rpcRequest .= "</params>\n"; |
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| 387 | $rpcRequest .= "</methodCall>\n"; |
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| 388 | |
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| 389 | foreach (explode(" ", $ping["server"]) as $server) { |
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| 390 | $response = $this->HTTPpost($server, $rpcRequest, "text/xml"); |
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| 391 | if ($debug) print $response; |
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| 392 | } |
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| 393 | } |
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| 394 | } |
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| 395 | function GetPingParams($server, $tag, $user, $changelog = "") { |
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| 396 | $ping = array(); |
|---|
| 397 | if ($server) { |
|---|
| 398 | $ping["server"] = $server; |
|---|
| 399 | if ($tag) $ping["tag"] = $tag; else return false; // set page-title |
|---|
| 400 | if (!$ping["taglink"] = $this->href("", $tag)) return false; // set page-url |
|---|
| 401 | if (!$ping["wiki"] = $this->config["wakka_name"]) return false; // set site-name |
|---|
| 402 | $ping["history"] = $this->href("revisions", $tag); // set url to history |
|---|
| 403 | |
|---|
| 404 | if ($user) { |
|---|
| 405 | $ping["author"] = $user; // set username |
|---|
| 406 | if ($this->LoadPage($user)) $ping["authorpage"] = $this->href("", $user); // set link to user page |
|---|
| 407 | } |
|---|
| 408 | if ($changelog) $ping["changelog"] = $changelog; |
|---|
| 409 | return $ping; |
|---|
| 410 | } else return false; |
|---|
| 411 | } |
|---|
| 412 | |
|---|
| 413 | // COOKIES |
|---|
| 414 | function SetSessionCookie($name, $value) { SetCookie($name, $value, 0, "/"); $_COOKIE[$name] = $value; } |
|---|
| 415 | function SetPersistentCookie($name, $value) { SetCookie($name, $value, time() + 90 * 24 * 60 * 60, "/"); $_COOKIE[$name] = $value; } |
|---|
| 416 | function DeleteCookie($name) { SetCookie($name, "", 1, "/"); $_COOKIE[$name] = ""; } |
|---|
| 417 | function GetCookie($name) { return $_COOKIE[$name]; } |
|---|
| 418 | |
|---|
| 419 | // HTTP/REQUEST/LINK RELATED |
|---|
| 420 | function SetMessage($message) { $_SESSION["message"] = $message; } |
|---|
| 421 | function GetMessage() { $message = $_SESSION["message"]; $_SESSION["message"] = ""; return $message; } |
|---|
| 422 | function Redirect($url) { header("Location: $url"); exit; } |
|---|
| 423 | // returns just PageName[/method]. |
|---|
| 424 | function MiniHref($method = "", $tag = "") { if (!$tag = trim($tag)) $tag = $this->tag; return $tag.($method ? "/".$method : ""); } |
|---|
| 425 | // returns the full url to a page/method. |
|---|
| 426 | function Href($method = "", $tag = "", $params = "") |
|---|
| 427 | { |
|---|
| 428 | $href = $this->config["base_url"].$this->MiniHref($method, $tag); |
|---|
| 429 | if ($params) |
|---|
| 430 | { |
|---|
| 431 | $href .= ($this->config["rewrite_mode"] ? "?" : "&").$params; |
|---|
| 432 | } |
|---|
| 433 | return $href; |
|---|
| 434 | } |
|---|
| 435 | function Link($tag, $method = "", $text = "", $track = 1, $escapeText = 1, $title="") { |
|---|
| 436 | if (!$text) $text = $tag; |
|---|
| 437 | // escape text? |
|---|
| 438 | if ($escapeText) $text = htmlspecialchars($text); |
|---|
| 439 | $url = ''; |
|---|
| 440 | |
|---|
| 441 | // is this a wiki link? |
|---|
| 442 | if (preg_match("/^[A-Za-z0-9]+$/", $tag)) |
|---|
| 443 | { |
|---|
| 444 | if ($_SESSION["linktracking"] && $track) $this->TrackLinkTo($tag); |
|---|
| 445 | $linkedPage = $this->LoadPage($tag); |
|---|
| 446 | // return ($linkedPage ? "<a href=\"".$this->href($method, $linkedPage['tag'])."\">".$text."</a>" : "<span class=\"missingpage\">".$text."</span><a href=\"".$this->href("edit", $tag)."\" title=\"Create this page\">?</a>"); |
|---|
| 447 | return ($linkedPage ? "<a href=\"".$this->href($method, $linkedPage['tag'])."\" title=\"$title\">".$text."</a>" : "<a href=\"".$this->href("edit", $tag)."\" title=\"Create this page\"><span class=\"missingpage\">".$text."</span></a>"); |
|---|
| 448 | } |
|---|
| 449 | elseif (preg_match("/^(http|https|ftp):\/\/([^\\s\"<>]+)$/", $tag)) |
|---|
| 450 | { |
|---|
| 451 | $url = $tag; // this is a vaild external URL |
|---|
| 452 | } |
|---|
| 453 | // is this an interwiki link? |
|---|
| 454 | elseif (preg_match("/^([A-Z,ÄÖÜ][A-Z,a-z,ÄÖÜ,ßäöü]+)[:]([A-Z,a-z,0-9,ÄÖÜ,ßäöü]*)$/", $tag, $matches)) |
|---|
| 455 | { |
|---|
| 456 | $url = $this->GetInterWikiUrl($matches[1], $matches[2]); |
|---|
| 457 | } |
|---|
| 458 | // is this a full link? ie, does it contain alpha-numeric characters? |
|---|
| 459 | elseif (preg_match("/[^[:alnum:],ÄÖÜ,ßäöü]/", $tag)) |
|---|
| 460 | { |
|---|
| 461 | // check for email addresses |
|---|
| 462 | if (preg_match("/^.+\@.+$/", $tag)) |
|---|
| 463 | { |
|---|
| 464 | $url = "mailto:".$tag; |
|---|
| 465 | } |
|---|
| 466 | // check for protocol-less URLs |
|---|
| 467 | else if (!preg_match("/:/", $tag)) |
|---|
| 468 | { |
|---|
| 469 | $url = "http://".$tag; |
|---|
| 470 | } |
|---|
| 471 | } |
|---|
| 472 | $external_link_tail = $this->GetConfigValue("external_link_tail"); |
|---|
| 473 | return $url ? "<a class=\"ext\" href=\"$url\">$text</a>$external_link_tail" : $text; |
|---|
| 474 | } |
|---|
| 475 | |
|---|
| 476 | // function PregPageLink($matches) { return $this->Link($matches[1]); } |
|---|
| 477 | function IsWikiName($text) { return preg_match("/^[A-Z,ÄÖÜ][a-z,ßäöü]+[A-Z,0-9,ÄÖÜ][A-Z,a-z,0-9,ÄÖÜ,ßäöü]*$/", $text); } |
|---|
| 478 | function TrackLinkTo($tag) { $_SESSION["linktable"][] = $tag; } |
|---|
| 479 | function GetLinkTable() { return $_SESSION["linktable"]; } |
|---|
| 480 | function ClearLinkTable() { $_SESSION["linktable"] = array(); } |
|---|
| 481 | function StartLinkTracking() { $_SESSION["linktracking"] = 1; } |
|---|
| 482 | function StopLinkTracking() { $_SESSION["linktracking"] = 0; } |
|---|
| 483 | function WriteLinkTable() |
|---|
| 484 | { |
|---|
| 485 | // delete old link table |
|---|
| 486 | $this->Query("delete from ".$this->config["table_prefix"]."links where from_tag = '".mysql_real_escape_string($this->GetPageTag())."'"); |
|---|
| 487 | if ($linktable = $this->GetLinkTable()) |
|---|
| 488 | { |
|---|
| 489 | $from_tag = mysql_real_escape_string($this->GetPageTag()); |
|---|
| 490 | foreach ($linktable as $to_tag) |
|---|
| 491 | { |
|---|
| 492 | $lower_to_tag = strtolower($to_tag); |
|---|
| 493 | if (!$written[$lower_to_tag]) |
|---|
| 494 | { |
|---|
| 495 | $this->Query("insert into ".$this->config["table_prefix"]."links set from_tag = '".$from_tag."', to_tag = '".mysql_real_escape_string($to_tag)."'"); |
|---|
| 496 | $written[$lower_to_tag] = 1; |
|---|
| 497 | } |
|---|
| 498 | } |
|---|
| 499 | } |
|---|
| 500 | } |
|---|
| 501 | function Header() { return $this->Action($this->GetConfigValue("header_action"), 0); } |
|---|
| 502 | function Footer() { return $this->Action($this->GetConfigValue("footer_action"), 0); } |
|---|
| 503 | |
|---|
| 504 | // FORMS |
|---|
| 505 | function FormOpen($method = "", $tag = "", $formMethod = "post") |
|---|
| 506 | { |
|---|
| 507 | $result = "<form action=\"".$this->href($method, $tag)."\" method=\"".$formMethod."\">\n"; |
|---|
| 508 | if (!$this->config["rewrite_mode"]) $result .= "<input type=\"hidden\" name=\"wakka\" value=\"".$this->MiniHref($method, $tag)."\" />\n"; |
|---|
| 509 | return $result; |
|---|
| 510 | } |
|---|
| 511 | function FormClose() |
|---|
| 512 | { |
|---|
| 513 | return "</form>\n"; |
|---|
| 514 | } |
|---|
| 515 | |
|---|
| 516 | // INTERWIKI STUFF |
|---|
| 517 | function ReadInterWikiConfig() |
|---|
| 518 | { |
|---|
| 519 | if ($lines = file("interwiki.conf")) |
|---|
| 520 | { |
|---|
| 521 | foreach ($lines as $line) |
|---|
| 522 | { |
|---|
| 523 | if ($line = trim($line)) |
|---|
| 524 | { |
|---|
| 525 | list($wikiName, $wikiUrl) = explode(" ", trim($line)); |
|---|
| 526 | $this->AddInterWiki($wikiName, $wikiUrl); |
|---|
| 527 | } |
|---|
| 528 | } |
|---|
| 529 | } |
|---|
| 530 | } |
|---|
| 531 | function AddInterWiki($name, $url) |
|---|
| 532 | { |
|---|
| 533 | $this->interWiki[strtolower($name)] = $url; |
|---|
| 534 | } |
|---|
| 535 | function GetInterWikiUrl($name, $tag) { |
|---|
| 536 | if (isset($this->interWiki[strtolower($name)])) |
|---|
| 537 | { |
|---|
| 538 | return $this->interWiki[strtolower($name)].$tag; |
|---|
| 539 | } |
|---|
| 540 | } |
|---|
| 541 | |
|---|
| 542 | // REFERRERS |
|---|
| 543 | function LogReferrer($tag = "", $referrer = "") |
|---|
| 544 | { |
|---|
| 545 | // fill values |
|---|
| 546 | if (!$tag = trim($tag)) $tag = $this->GetPageTag(); |
|---|
| 547 | if (!$referrer = trim($referrer)) $referrer = $_SERVER["HTTP_REFERER"]; |
|---|
| 548 | |
|---|
| 549 | // check if it's coming from another site |
|---|
| 550 | if ($referrer && !preg_match("/^".preg_quote($this->GetConfigValue("base_url"), "/")."/", $referrer)) |
|---|
| 551 | { |
|---|
| 552 | $parsed_url = parse_url($referrer); |
|---|
| 553 | $spammer = $parsed_url["host"]; |
|---|
| 554 | $blacklist = $this->LoadSingle("select * from ".$this->config["table_prefix"]."referrer_blacklist WHERE spammer = '".mysql_real_escape_string($spammer)."'"); |
|---|
| 555 | if (!$blacklist) { |
|---|
| 556 | $this->Query("insert into ".$this->config["table_prefix"]."referrers set ". |
|---|
| 557 | "page_tag = '".mysql_real_escape_string($tag)."', ". |
|---|
| 558 | "referrer = '".mysql_real_escape_string($referrer)."', ". |
|---|
| 559 | "time = now()"); |
|---|
| 560 | } |
|---|
| 561 | } |
|---|
| 562 | } |
|---|
| 563 | function LoadReferrers($tag = "") |
|---|
| 564 | { |
|---|
| 565 | return $this->LoadAll("select referrer, count(referrer) as num from ".$this->config["table_prefix"]."referrers ".($tag = trim($tag) ? "where page_tag = '".mysql_real_escape_string($tag)."'" : "")." group by referrer order by num desc"); |
|---|
| 566 | } |
|---|
| 567 | |
|---|
| 568 | // PLUGINS |
|---|
| 569 | function Action($action, $forceLinkTracking = 0) |
|---|
| 570 | { |
|---|
| 571 | $action = trim($action); |
|---|
| 572 | $vars=array(); |
|---|
| 573 | |
|---|
| 574 | // only search for parameters if there is a space |
|---|
| 575 | if (is_int(strpos($action, ' '))) |
|---|
| 576 | { |
|---|
| 577 | // treat everything after the first whitespace as parameter |
|---|
| 578 | preg_match("/^([A-Za-z0-9]*)\s+(.*)$/", $action, $matches); |
|---|
| 579 | // extract $action and $vars_temp ("raw" attributes) |
|---|
| 580 | list(, $action, $vars_temp) = $matches; |
|---|
| 581 | |
|---|
| 582 | if ($action) { |
|---|
| 583 | // match all attributes (key and value) |
|---|
| 584 | preg_match_all("/([A-Za-z0-9]*)=\"(.*)\"/U", $vars_temp, $matches); |
|---|
| 585 | |
|---|
| 586 | // prepare an array for extract() to work with (in $this->IncludeBuffered()) |
|---|
| 587 | if (is_array($matches)) { |
|---|
| 588 | for ($a = 0; $a < count($matches[0]); $a++) { |
|---|
| 589 | $vars[$matches[1][$a]] = $matches[2][$a]; |
|---|
| 590 | } |
|---|
| 591 | } |
|---|
| 592 | $vars["wikka_vars"] = trim($vars_temp); // <<< add the buffered parameter-string to the array |
|---|
| 593 | } else { |
|---|
| 594 | return "<span class='error'><em>Unknown action; the action name must not contain special characters.</em></span>"; // <<< the pattern ([A-Za-z0-9])\s+ didn't match! |
|---|
| 595 | } |
|---|
| 596 | } |
|---|
| 597 | if (!preg_match("/^[a-zA-Z0-9]+$/", $action)) return "<span class='error'><em>Unknown action; the action name must not contain special characters.</em></span>"; |
|---|
| 598 | if (!$forceLinkTracking) $this->StopLinkTracking(); |
|---|
| 599 | $result = $this->IncludeBuffered(strtolower($action).".php", "<em>Unknown action \"$action\"</em>", $vars, $this->config["action_path"]); |
|---|
| 600 | $this->StartLinkTracking(); |
|---|
| 601 | return $result; |
|---|
| 602 | } |
|---|
| 603 | function Method($method) |
|---|
| 604 | { |
|---|
| 605 | if (strstr('/', $method)) |
|---|
| 606 | { |
|---|
| 607 | $method = substr($method, strrpos('/', $method)); |
|---|
| 608 | } |
|---|
| 609 | if (!$handler = $this->page["handler"]) $handler = "page"; |
|---|
| 610 | $methodLocation = $handler."/".$method.".php"; |
|---|
| 611 | return $this->IncludeBuffered($methodLocation, "<em>Unknown method \"$methodLocation\"</em>", "", $this->config["handler_path"]); |
|---|
| 612 | } |
|---|
| 613 | function Format($text, $formatter = "wakka") { return $this->IncludeBuffered("formatters/".$formatter.".php", "<em>Formatter \"$formatter\" not found</em>", compact("text")); } |
|---|
| 614 | |
|---|
| 615 | // USERS |
|---|
| 616 | function LoadUser($name, $password = 0) { return $this->LoadSingle("select * from ".$this->config["table_prefix"]."users where name = '".mysql_real_escape_string($name)."' ".($password === 0 ? "" : "and password = '".mysql_real_escape_string($password)."'")." limit 1"); } |
|---|
| 617 | function LoadUsers() { return $this->LoadAll("select * from ".$this->config["table_prefix"]."users order by name"); } |
|---|
| 618 | function GetUserName() { if ($user = $this->GetUser()) $name = $user["name"]; else if (!$name = gethostbyaddr($_SERVER["REMOTE_ADDR"])) $name = $_SERVER["REMOTE_ADDR"]; return $name; } |
|---|
| 619 | function GetUser() { return (isset($_SESSION["user"])) ? $_SESSION["user"] : null; } |
|---|
| 620 | function SetUser($user) { $_SESSION["user"] = $user; $this->SetPersistentCookie("name", $user["name"]); $this->SetPersistentCookie("password", $user["password"]); } |
|---|
| 621 | function LogoutUser() { $_SESSION["user"] = ""; $this->DeleteCookie("name"); $this->DeleteCookie("password"); } |
|---|
| 622 | function UserWantsComments() { if (!$user = $this->GetUser()) return false; return ($user["show_comments"] == "Y"); } |
|---|
| 623 | |
|---|
| 624 | |
|---|
| 625 | // COMMENTS |
|---|
| 626 | function LoadComments($tag) { return $this->LoadAll("SELECT * FROM ".$this->config["table_prefix"]."comments WHERE page_tag = '".mysql_real_escape_string($tag)."' ORDER BY time"); } |
|---|
| 627 | function LoadRecentComments($limit = 50) { return $this->LoadAll("SELECT * FROM ".$this->config["table_prefix"]."comments ORDER BY time DESC LIMIT ".$limit); } |
|---|
| 628 | function LoadRecentlyCommented($limit = 50) |
|---|
| 629 | { |
|---|
| 630 | $sql = "SELECT comments.id, comments.page_tag, comments.time, comments.comment, comments.user" |
|---|
| 631 | . " FROM ".$this->config["table_prefix"]."comments AS comments" |
|---|
| 632 | . " LEFT JOIN ".$this->config["table_prefix"]."comments AS c2 ON comments.page_tag = c2.page_tag AND comments.id < c2.id" |
|---|
| 633 | . " WHERE c2.page_tag IS NULL " |
|---|
| 634 | . " ORDER BY time DESC " |
|---|
| 635 | . " LIMIT ".$limit; |
|---|
| 636 | return $this->LoadAll($sql); |
|---|
| 637 | } |
|---|
| 638 | function SaveComment($page_tag, $comment) |
|---|
| 639 | { |
|---|
| 640 | // get current user |
|---|
| 641 | $user = $this->GetUserName(); |
|---|
| 642 | |
|---|
| 643 | // add new comment |
|---|
| 644 | $this->Query("INSERT INTO ".$this->config["table_prefix"]."comments SET ". |
|---|
| 645 | "page_tag = '".mysql_real_escape_string($page_tag)."', ". |
|---|
| 646 | "time = now(), ". |
|---|
| 647 | "comment = '".mysql_real_escape_string($comment)."', ". |
|---|
| 648 | "user = '".mysql_real_escape_string($user)."'"); |
|---|
| 649 | } |
|---|
| 650 | |
|---|
| 651 | // ACCESS CONTROL |
|---|
| 652 | // returns true if logged in user is owner of current page, or page specified in $tag |
|---|
| 653 | function UserIsOwner($tag = "") |
|---|
| 654 | { |
|---|
| 655 | // check if user is logged in |
|---|
| 656 | if (!$this->GetUser()) return false; |
|---|
| 657 | |
|---|
| 658 | // if user is admin, return true. Admin can do anything! |
|---|
| 659 | if ($this->IsAdmin()) return true; |
|---|
| 660 | |
|---|
| 661 | // set default tag |
|---|
| 662 | if (!$tag = trim($tag)) $tag = $this->GetPageTag(); |
|---|
| 663 | |
|---|
| 664 | // check if user is owner |
|---|
| 665 | if ($this->GetPageOwner($tag) == $this->GetUserName()) return true; |
|---|
| 666 | } |
|---|
| 667 | //returns true if user is listed in configuration list as admin |
|---|
| 668 | function IsAdmin() { |
|---|
| 669 | $adminstring = $this->config["admin_users"]; |
|---|
| 670 | $adminarray = explode(',' , $adminstring); |
|---|
| 671 | |
|---|
| 672 | foreach ($adminarray as $admin) { |
|---|
| 673 | if (trim($admin) == $this->GetUserName()) return true; |
|---|
| 674 | } |
|---|
| 675 | } |
|---|
| 676 | function GetPageOwner($tag = "", $time = "") { if (!$tag = trim($tag)) $tag = $this->GetPageTag(); if ($page = $this->LoadPage($tag, $time)) return $page["owner"]; } |
|---|
| 677 | function SetPageOwner($tag, $user) |
|---|
| 678 | { |
|---|
| 679 | // check if user exists |
|---|
| 680 | if( $user <> '' && ($this->LoadUser($user) || $user == "(Public)" || $user == "(Nobody)")) |
|---|
| 681 | { |
|---|
| 682 | if ($user == "(Nobody)") $user = ""; |
|---|
| 683 | // update latest revision with new owner |
|---|
| 684 | $this->Query("update ".$this->config["table_prefix"]."pages set owner = '".mysql_escape_string($user)."' where tag = '".mysql_escape_string($tag)."' and latest = 'Y' limit 1"); |
|---|
| 685 | } |
|---|
| 686 | } |
|---|
| 687 | function LoadACL($tag, $privilege, $useDefaults = 1) |
|---|
| 688 | { |
|---|
| 689 | if ((!$acl = $this->LoadSingle("SELECT ".mysql_real_escape_string($privilege)."_acl FROM ".$this->config["table_prefix"]."acls WHERE page_tag = '".mysql_real_escape_string($tag)."' LIMIT 1")) && $useDefaults) |
|---|
| 690 | { |
|---|
| 691 | $acl = array("page_tag" => $tag, $privilege."_acl" => $this->GetConfigValue("default_".$privilege."_acl")); |
|---|
| 692 | } |
|---|
| 693 | return $acl; |
|---|
| 694 | } |
|---|
| 695 | function LoadAllACLs($tag, $useDefaults = 1) |
|---|
| 696 | { |
|---|
| 697 | if ((!$acl = $this->LoadSingle("SELECT * FROM ".$this->config["table_prefix"]."acls WHERE page_tag = '".mysql_real_escape_string($tag)."' LIMIT 1")) && $useDefaults) |
|---|
| 698 | { |
|---|
| 699 | $acl = array("page_tag" => $tag, "read_acl" => $this->GetConfigValue("default_read_acl"), "write_acl" => $this->GetConfigValue("default_write_acl"), "comment_acl" => $this->GetConfigValue("default_comment_acl")); |
|---|
| 700 | } |
|---|
| 701 | return $acl; |
|---|
| 702 | } |
|---|
| 703 | function SaveACL($tag, $privilege, $list) { |
|---|
| 704 | if ($this->LoadACL($tag, $privilege, 0)) $this->Query("UPDATE ".$this->config["table_prefix"]."acls SET ".mysql_real_escape_string($privilege)."_acl = '".mysql_real_escape_string(trim(str_replace("\r", "", $list)))."' WHERE page_tag = '".mysql_real_escape_string($tag)."' LIMIT 1"); |
|---|
| 705 | else $this->Query("INSERT INTO ".$this->config["table_prefix"]."acls SET page_tag = '".mysql_real_escape_string($tag)."', ".mysql_real_escape_string($privilege)."_acl = '".mysql_real_escape_string(trim(str_replace("\r", "", $list)))."'"); |
|---|
| 706 | } |
|---|
| 707 | function TrimACLs($list) { |
|---|
| 708 | foreach (explode("\n", $list) as $line) |
|---|
| 709 | { |
|---|
| 710 | $line = trim($line); |
|---|
| 711 | $trimmed_list .= $line."\n"; |
|---|
| 712 | } |
|---|
| 713 | return $trimmed_list; |
|---|
| 714 | } |
|---|
| 715 | // returns true if $user (defaults to current user) has access to $privilege on $page_tag (defaults to current page) |
|---|
| 716 | function HasAccess($privilege, $tag = "", $user = "") |
|---|
| 717 | { |
|---|
| 718 | // set defaults |
|---|
| 719 | if (!$tag) $tag = $this->GetPageTag(); |
|---|
| 720 | if (!$user) $user = $this->GetUserName(); |
|---|
| 721 | |
|---|
| 722 | // if current user is owner, return true. owner can do anything! |
|---|
| 723 | if ($this->UserIsOwner($tag)) return true; |
|---|
| 724 | |
|---|
| 725 | // see whether user is registered and logged in |
|---|
| 726 | if ($this->GetUser()) $registered = true; |
|---|
| 727 | |
|---|
| 728 | // load acl |
|---|
| 729 | if ($tag == $this->GetPageTag()) |
|---|
| 730 | { |
|---|
| 731 | $acl = $this->ACLs[$privilege."_acl"]; |
|---|
| 732 | } |
|---|
| 733 | else |
|---|
| 734 | { |
|---|
| 735 | $tag_ACLs = $this->LoadAllACLs($tag); |
|---|
| 736 | $acl = $tag_ACLs[$privilege."_acl"]; |
|---|
| 737 | } |
|---|
| 738 | |
|---|
| 739 | // fine fine... now go through acl |
|---|
| 740 | foreach (explode("\n", $acl) as $line) |
|---|
| 741 | { |
|---|
| 742 | // check for inversion character "!" |
|---|
| 743 | if (preg_match("/^[!](.*)$/", $line, $matches)) |
|---|
| 744 | { |
|---|
| 745 | $negate = 1; |
|---|
| 746 | $line = $matches[1]; |
|---|
| 747 | } |
|---|
| 748 | else |
|---|
| 749 | { |
|---|
| 750 | $negate = 0; |
|---|
| 751 | } |
|---|
| 752 | |
|---|
| 753 | // if there's still anything left... lines with just a "!" don't count! |
|---|
| 754 | if ($line) |
|---|
| 755 | { |
|---|
| 756 | switch ($line[0]) |
|---|
| 757 | { |
|---|
| 758 | // comments |
|---|
| 759 | case "#": |
|---|
| 760 | break; |
|---|
| 761 | // everyone |
|---|
| 762 | case "*": |
|---|
| 763 | return !$negate; |
|---|
| 764 | // only registered users |
|---|
| 765 | case "+": |
|---|
| 766 | // return ($registered) ? !$negate : false; |
|---|
| 767 | return ($registered) ? !$negate : $negate; |
|---|
| 768 | // aha! a user entry. |
|---|
| 769 | default: |
|---|
| 770 | if ($line == $user) |
|---|
| 771 | { |
|---|
| 772 | return !$negate; |
|---|
| 773 | } |
|---|
| 774 | } |
|---|
| 775 | } |
|---|
| 776 | } |
|---|
| 777 | |
|---|
| 778 | // tough luck. |
|---|
| 779 | return false; |
|---|
| 780 | } |
|---|
| 781 | |
|---|
| 782 | // MAINTENANCE |
|---|
| 783 | function Maintenance() |
|---|
| 784 | { |
|---|
| 785 | // purge referrers |
|---|
| 786 | if ($days = $this->GetConfigValue("referrers_purge_time")) { |
|---|
| 787 | $this->Query("DELETE FROM ".$this->config["table_prefix"]."referrers WHERE time < date_sub(now(), interval '".mysql_real_escape_string($days)."' day)"); |
|---|
| 788 | } |
|---|
| 789 | |
|---|
| 790 | // purge old page revisions |
|---|
| 791 | if ($days = $this->GetConfigValue("pages_purge_time")) { |
|---|
| 792 | $this->Query("delete from ".$this->config["table_prefix"]."pages where time < date_sub(now(), interval '".mysql_real_escape_string($days)."' day) and latest = 'N'"); |
|---|
| 793 | } |
|---|
| 794 | } |
|---|
| 795 | |
|---|
| 796 | // THE BIG EVIL NASTY ONE! |
|---|
| 797 | function Run($tag, $method = "") |
|---|
| 798 | { |
|---|
| 799 | // do our stuff! |
|---|
| 800 | if (!$this->method = trim($method)) $this->method = "show"; |
|---|
| 801 | if (!$this->tag = trim($tag)) $this->Redirect($this->href("", $this->config["root_page"])); |
|---|
| 802 | if ((!$this->GetUser() && isset($_COOKIE["name"])) && ($user = $this->LoadUser($_COOKIE["name"], $_COOKIE["password"]))) $this->SetUser($user); |
|---|
| 803 | $this->SetPage($this->LoadPage($tag, (isset($_REQUEST["time"]) ? $_REQUEST["time"] :''))); |
|---|
| 804 | |
|---|
| 805 | $this->LogReferrer(); |
|---|
| 806 | $this->ACLs = $this->LoadAllACLs($this->tag); |
|---|
| 807 | $this->ReadInterWikiConfig(); |
|---|
| 808 | if(!($this->GetMicroTime()%3)) $this->Maintenance(); |
|---|
| 809 | |
|---|
| 810 | if (preg_match('/\.(xml|mm)$/', $this->method)) |
|---|
| 811 | { |
|---|
| 812 | header("Content-type: text/xml"); |
|---|
| 813 | print($this->Method($this->method)); |
|---|
| 814 | } |
|---|
| 815 | elseif (preg_match('/\.(gif|jpg|png)$/', $this->method)) |
|---|
| 816 | { |
|---|
| 817 | header('Location: images/' . $this->method); |
|---|
| 818 | } |
|---|
| 819 | elseif (preg_match('/\.css$/', $this->method)) |
|---|
| 820 | { |
|---|
| 821 | header('Location: css/' . $this->method); |
|---|
| 822 | } |
|---|
| 823 | else |
|---|
| 824 | { |
|---|
| 825 | print($this->Header().$this->Method($this->method).$this->Footer()); |
|---|
| 826 | } |
|---|
| 827 | } |
|---|
| 828 | } |
|---|
| 829 | |
|---|
| 830 | // stupid version check |
|---|
| 831 | if (!isset($_REQUEST)) die('$_REQUEST[] not found. Wakka requires PHP 4.1.0 or higher!'); |
|---|
| 832 | |
|---|
| 833 | // workaround for the amazingly annoying magic quotes. |
|---|
| 834 | function magicQuotesSuck(&$a) |
|---|
| 835 | { |
|---|
| 836 | if (is_array($a)) |
|---|
| 837 | { |
|---|
| 838 | foreach ($a as $k => $v) |
|---|
| 839 | { |
|---|
| 840 | if (is_array($v)) |
|---|
| 841 | magicQuotesSuck($a[$k]); |
|---|
| 842 | else |
|---|
| 843 | $a[$k] = stripslashes($v); |
|---|
| 844 | } |
|---|
| 845 | } |
|---|
| 846 | } |
|---|
| 847 | set_magic_quotes_runtime(0); |
|---|
| 848 | if (get_magic_quotes_gpc()) |
|---|
| 849 | { |
|---|
| 850 | magicQuotesSuck($_POST); |
|---|
| 851 | magicQuotesSuck($_GET); |
|---|
| 852 | magicQuotesSuck($_COOKIE); |
|---|
| 853 | } |
|---|
| 854 | |
|---|
| 855 | |
|---|
| 856 | // default configuration values |
|---|
| 857 | $wakkaDefaultConfig = array( |
|---|
| 858 | "mysql_host" => "localhost", |
|---|
| 859 | "mysql_database" => "wikka", |
|---|
| 860 | "mysql_user" => "wikka", |
|---|
| 861 | "table_prefix" => "wikka_", |
|---|
| 862 | |
|---|
| 863 | "root_page" => "HomePage", |
|---|
| 864 | "wakka_name" => "MyWikkaSite", |
|---|
| 865 | "base_url" => "http://".$_SERVER["SERVER_NAME"].($_SERVER["SERVER_PORT"] != 80 ? ":".$_SERVER["SERVER_PORT"] : "").$_SERVER["REQUEST_URI"].(preg_match("/".preg_quote("wikka.php")."$/", $_SERVER["REQUEST_URI"]) ? "?wakka=" : ""), |
|---|
| 866 | "rewrite_mode" => (preg_match("/".preg_quote("wikka.php")."$/", $_SERVER["REQUEST_URI"]) ? "0" : "1"), |
|---|
| 867 | |
|---|
| 868 | "action_path" => "actions", |
|---|
| 869 | "handler_path" => "handlers", |
|---|
| 870 | "gui_editor" => 1, |
|---|
| 871 | "stylesheet" => "wikka.css", |
|---|
| 872 | |
|---|
| 873 | "header_action" => "header", |
|---|
| 874 | "footer_action" => "footer", |
|---|
| 875 | |
|---|
| 876 | "navigation_links" => "[[CategoryCategory Categories]] :: PageIndex :: RecentChanges :: RecentlyCommented :: [[UserSettings Login/Register]]", |
|---|
| 877 | "logged_in_navigation_links" => "[[CategoryCategory Categories]] :: PageIndex :: RecentChanges :: RecentlyCommented :: [[UserSettings Change settings/Logout]]", |
|---|
| 878 | |
|---|
| 879 | "referrers_purge_time" => 30, |
|---|
| 880 | "pages_purge_time" => 0, |
|---|
| 881 | "xml_recent_changes" => 10, |
|---|
| 882 | "hide_comments" => 0, |
|---|
| 883 | "anony_delete_own_comments" => 1, |
|---|
| 884 | "double_doublequote_html" => "safe", |
|---|
| 885 | "external_link_tail" => "<span class='exttail'>∞</span>", |
|---|
| 886 | "sql_debugging" => 0, |
|---|
| 887 | "admin_users" => "", |
|---|
| 888 | "admin_email" => "", |
|---|
| 889 | "upload_path" => "uploads", |
|---|
| 890 | "mime_types" => "mime_types.txt", |
|---|
| 891 | |
|---|
| 892 | "wikiping_server" => "", |
|---|
| 893 | |
|---|
| 894 | "default_write_acl" => "*", |
|---|
| 895 | "default_read_acl" => "*", |
|---|
| 896 | "default_comment_acl" => "*"); |
|---|
| 897 | |
|---|
| 898 | |
|---|
| 899 | // load config |
|---|
| 900 | if (file_exists("wakka.config.php")) rename("wakka.config.php", "wikka.config.php"); |
|---|
| 901 | if (!$configfile = GetEnv("WAKKA_CONFIG")) $configfile = "wikka.config.php"; |
|---|
| 902 | if (file_exists($configfile)) include($configfile); |
|---|
| 903 | |
|---|
| 904 | $wakkaConfigLocation = $configfile; |
|---|
| 905 | $wakkaConfig = array_merge($wakkaDefaultConfig, $wakkaConfig); |
|---|
| 906 | |
|---|
| 907 | // check for locking |
|---|
| 908 | if (file_exists("locked")) { |
|---|
| 909 | // read password from lockfile |
|---|
| 910 | $lines = file("locked"); |
|---|
| 911 | $lockpw = trim($lines[0]); |
|---|
| 912 | |
|---|
| 913 | // is authentification given? |
|---|
| 914 | if (isset($_SERVER["PHP_AUTH_USER"])) { |
|---|
| 915 | if (!(($_SERVER["PHP_AUTH_USER"] == "admin") && ($_SERVER["PHP_AUTH_PW"] == $lockpw))) { |
|---|
| 916 | $ask = 1; |
|---|
| 917 | } |
|---|
| 918 | } else { |
|---|
| 919 | $ask = 1; |
|---|
| 920 | } |
|---|
| 921 | |
|---|
| 922 | if ($ask) { |
|---|
| 923 | header("WWW-Authenticate: Basic realm=\"".$wakkaConfig["wakka_name"]." Install/Upgrade Interface\""); |
|---|
| 924 | header("HTTP/1.0 401 Unauthorized"); |
|---|
| 925 | print("This site is currently being upgraded. Please try again later."); |
|---|
| 926 | exit; |
|---|
| 927 | } |
|---|
| 928 | } |
|---|
| 929 | |
|---|
| 930 | // compare versions, start installer if necessary |
|---|
| 931 | if ($wakkaConfig["wakka_version"] != WAKKA_VERSION) |
|---|
| 932 | { |
|---|
| 933 | // start installer |
|---|
| 934 | if (!$installAction = trim($_REQUEST["installAction"])) $installAction = "default"; |
|---|
| 935 | include("setup/header.php"); |
|---|
| 936 | if (file_exists("setup/".$installAction.".php")) include("setup/".$installAction.".php"); else print("<em>Invalid action</em>"); |
|---|
| 937 | include("setup/footer.php"); |
|---|
| 938 | exit; |
|---|
| 939 | } |
|---|
| 940 | |
|---|
| 941 | // start session |
|---|
| 942 | session_start(); |
|---|
| 943 | |
|---|
| 944 | // fetch wakka location |
|---|
| 945 | $wakka = $_REQUEST["wakka"]; |
|---|
| 946 | |
|---|
| 947 | // remove leading slash |
|---|
| 948 | $wakka = preg_replace("/^\//", "", $wakka); |
|---|
| 949 | |
|---|
| 950 | // split into page/method |
|---|
| 951 | if (preg_match("#^(.+?)/(.*)$#", $wakka, $matches)) list(, $page, $method) = $matches; |
|---|
| 952 | else if (preg_match("#^(.*)$#", $wakka, $matches)) list(, $page) = $matches; |
|---|
| 953 | |
|---|
| 954 | // create wakka object |
|---|
| 955 | $wakka = new Wakka($wakkaConfig); |
|---|
| 956 | // check for database access |
|---|
| 957 | if (!$wakka->dblink) |
|---|
| 958 | { |
|---|
| 959 | echo "<p>The wiki is currently unavailable. <br /><br />Error: Unable to connect to the MySQL database.</p>"; |
|---|
| 960 | exit; |
|---|
| 961 | } |
|---|
| 962 | |
|---|
| 963 | |
|---|
| 964 | // go! |
|---|
| 965 | if (!isset($method)) $method=''; |
|---|
| 966 | $wakka->Run($page, $method); |
|---|
| 967 | if (!preg_match("/\.(xml|raw|mm)$/", $method)) |
|---|
| 968 | { |
|---|
| 969 | $tend = getmicrotime(); |
|---|
| 970 | //Calculate the difference |
|---|
| 971 | $totaltime = ($tend - $tstart); |
|---|
| 972 | //Output result |
|---|
| 973 | printf ("<div class=\"smallprint\">Page was generated in %.4f seconds</div>\n</body>\n</html>", $totaltime); |
|---|
| 974 | } |
|---|
| 975 | |
|---|
| 976 | $content = ob_get_contents(); |
|---|
| 977 | if (strstr ($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) |
|---|
| 978 | { |
|---|
| 979 | // Tell the browser the content is compressed with gzip |
|---|
| 980 | header ("Content-Encoding: gzip"); |
|---|
| 981 | $page_output = gzencode($content); |
|---|
| 982 | $page_length = strlen($page_output); |
|---|
| 983 | } else { |
|---|
| 984 | $page_output = $content; |
|---|
| 985 | $page_length = strlen($page_output); |
|---|
| 986 | } |
|---|
| 987 | |
|---|
| 988 | // header("Cache-Control: pre-check=0"); |
|---|
| 989 | header("Cache-Control: no-cache"); |
|---|
| 990 | // header("Pragma: "); |
|---|
| 991 | // header("Expires: "); |
|---|
| 992 | |
|---|
| 993 | $etag = md5($content); |
|---|
| 994 | header('ETag: '.$etag); |
|---|
| 995 | |
|---|
| 996 | header('Content-Length: '.$page_length); |
|---|
| 997 | ob_end_clean(); |
|---|
| 998 | echo $page_output; |
|---|
| 999 | |
|---|
| 1000 | ?> |
|---|