includes/SpecialAsksql.php

   1 <?php
   2
   3 function wfSpecialAsksql()
   4 {
   5         global $wgUser, $wgOut, $wgRequest, $wgAllowSysopQueries;
   6
   7         if( !$wgAllowSysopQueries ) {
   8                 $wgOut->errorpage( "nosuchspecialpage", "nospecialpagetext" );
   9                 return;
  10         }
  11         if( !$wgUser->isSysop() ) {
  12                 $wgOut->sysopRequired();
  13                 return;
  14         }
  15
  16         if( $wgRequest->wasPosted() ) {
  17                 $query = $wgRequest->getVal( 'wpSqlQuery' );
  18                 $action = $wgRequest->getVal( 'action' );
  19         } else {
  20                 $query = "";
  21                 $action = "";
  22         }
  23         $f = new SqlQueryForm( $query);
  24
  25         if ( "submit" == $action ) {
  26                 $f->doSubmit();
  27         } else {
  28                 $f->showForm( "" );
  29         }
  30 }
  31
  32 class SqlQueryForm {
  33         var $query = "";
  34
  35         function SqlQueryForm( $query ) {
  36                 $this->query = $query;
  37         }
  38
  39         function showForm( $err )
  40         {
  41                 global $wgOut, $wgUser, $wgLang;
  42                 global $wgLogQueries;
  43
  44                 $wgOut->setPagetitle( wfMsg( "asksql" ) );
  45                 $note = wfMsg( "asksqltext" );
  46                 if($wgLogQueries)
  47                         $note .= " " . wfMsg( "sqlislogged" );
  48                 $wgOut->addWikiText( $note );
  49
  50                 if ( "" != $err ) {
  51                         $wgOut->addHTML( "<p><font color='red' size='+1'>" . htmlspecialchars($err) . "</font>\n" );
  52                 }
  53                 if ( ! $this->query ) { $this->query = "SELECT ... FROM ... WHERE ..."; }
  54                 $q = wfMsg( "sqlquery" );
  55                 $qb = wfMsg( "querybtn" );
  56                 $titleObj = Title::makeTitle( NS_SPECIAL, "Asksql" );
  57                 $action = $titleObj->escapeLocalURL( "action=submit" );
  58
  59                 $wgOut->addHTML( "<p>
  60 <form id=\"asksql\" method=\"post\" action=\"{$action}\">
  61 <table border=0><tr>
  62 <td align=right>{$q}:</td>
  63 <td align=left>
  64 <textarea name=\"wpSqlQuery\" cols=80 rows=4 wrap=\"virtual\">"
  65 . htmlspecialchars($this->query) ."
  66 </textarea>
  67 </td>
  68 </tr><tr>
  69 <td>&nbsp;</td><td align=\"left\">
  70 <input type=submit name=\"wpQueryBtn\" value=\"{$qb}\">
  71 </td></tr></table>
  72 </form>\n" );
  73
  74         }
  75
  76         function doSubmit()
  77         {
  78                 global $wgOut, $wgUser, $wgServer, $wgScript, $wgArticlePath, $wgLang;
  79                 global $wgDBserver, $wgDBsqluser, $wgDBsqlpassword, $wgDBname, $wgSqlTimeout;
  80
  81                 # Use a limit, folks!
  82                 $this->query = trim( $this->query );
  83                 if( preg_match( "/^SELECT/i", $this->query )
  84                         and !preg_match( "/LIMIT/i", $this->query ) ) {
  85                         $this->query .= " LIMIT 100";
  86                 }
  87                 $conn = Database::newFromParams( $wgDBserver, $wgDBsqluser, $wgDBsqlpassword, $wgDBname );
  88
  89                 $this->logQuery( $this->query );
  90
  91                 # Start timer, will kill the DB thread in $wgSqlTimeout seconds
  92                 $conn->startTimer( $wgSqlTimeout );
  93                 $res = $conn->query( $this->query, "SpecialAsksql::doSubmit" );
  94                 $conn->stopTimer();
  95                 $this->logFinishedQuery();
  96
  97                 $n = 0;
  98                 @$n = $conn->numFields( $res );
  99                 $titleList = false;
 100
 101                 if ( $n ) {
 102                         $k = array();
 103                         for ( $x = 0; $x < $n; ++$x ) {
 104                                 array_push( $k, $conn->fieldName( $res, $x ) );
 105                         }
 106
 107                         if ( $n == 2 && in_array( "cur_title", $k ) && in_array( "cur_namespace", $k ) ) {
 108                                 $titleList = true;
 109                         }
 110
 111                         $a = array();
 112                         while ( $s = $conn->fetchObject( $res ) ) {
 113                                 array_push( $a, $s );
 114                         }
 115                         $conn->freeResult( $res );
 116
 117                         if ( $titleList ) {
 118                                 $r = "";
 119                                 foreach ( $a as $y ) {
 120                                         $sTitle = htmlspecialchars( $y->cur_title );
 121                                         if ( $y->cur_namespace ) {
 122                                                 $sNamespace = $wgLang->getNsText( $y->cur_namespace );
 123                                                 $link = "$sNamespace:$sTitle";
 124                                         } else {
 125                                                 $link = "$sTitle";
 126                                         }
 127                                         $skin = $wgUser->getSkin();
 128                                         $link = $skin->makeLink( $link );
 129                                         $r .= "* [[$link]]<br>\n";
 130                                 }
 131                         } else {
 132
 133                                 $r = "<table border=1 bordercolor=black cellspacing=0 " .
 134                                   "cellpadding=2><tr>\n";
 135                                 foreach ( $k as $x ) $r .= "<th>" . htmlspecialchars( $x ) . "</th>";
 136                                 $r .= "</tr>\n";
 137
 138                                 foreach ( $a as $y ) {
 139                                         $r .= "<tr>";
 140                                         foreach ( $k as $x ) {
 141                                                 $o = $y->$x ;
 142                                                 if ( $x == "cur_title" or $x == "old_title" or $x == "rc_title") {
 143                                                         $namespace = 0;
 144                                                         if( $x == "cur_title" ) $namespace = $y->cur_namespace;
 145                                                         if( $x == "old_title" ) $namespace = $y->old_namespace;
 146                                                         if( $x == "rc_title" ) $namespace = $y->rc_namespace;
 147                                                         if( $namespace ) $o = $wgLang->getNsText( $namespace ) . ":" . $o;
 148                                                         $o = "<a href=\"" . wfLocalUrlE($o) . "\" class='internal'>" .
 149                                                           htmlspecialchars( $y->$x ) . "</a>" ;
 150                                                         } else {
 151                                                         $o = htmlspecialchars( $o );
 152                                                         }
 153                                                 $r .= "<td>" . $o . "</td>\n";
 154                                         }
 155                                         $r .= "</tr>\n";
 156                                 }
 157                                 $r .= "</table>\n";
 158                         }
 159                 }
 160                 $this->showForm( wfMsg( "querysuccessful" ) );
 161                 $wgOut->addHTML( "<hr>{$r}\n" );
 162         }
 163
 164         function logQuery( $q ) {
 165                 global $wgSqlLogFile, $wgLogQueries, $wgUser;
 166                 if(!$wgLogQueries) return;
 167
 168                 $f = fopen( $wgSqlLogFile, "a" );
 169                 fputs( $f, "\n\n" . wfTimestampNow() .
 170                         " query by " . $wgUser->getName() .
 171                         ":\n$q\n" );
 172                 fclose( $f );
 173                 $this->starttime = wfTime();
 174         }
 175
 176         function logFinishedQuery() {
 177                 global $wgSqlLogFile, $wgLogQueries;
 178                 if(!$wgLogQueries) return;
 179
 180                 $interval = wfTime() - $this->starttime;
 181
 182                 $f = fopen( $wgSqlLogFile, "a" );
 183                 fputs( $f, "finished at " . wfTimestampNow() . "; took $interval secs\n" );
 184                 fclose( $f );
 185         }
 186
 187 }
 188
 189 ?>