includes/SpecialAsksql.php

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